61 results on '"Lin Sun"'
Search Results
2. Mitigation of retinol-induced skin irritation by physiologic lipids: Evidence from patch testing.
- Author
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Fang Y, Ying Y, Xiaolan W, Lin S, Chenlan X, Caixia W, Dingqiao L, and Yanan L
- Subjects
- Humans, Adult, Double-Blind Method, Female, Young Adult, Male, Ceramides adverse effects, Ceramides administration & dosage, Cholesterol, Skin drug effects, Vitamin A adverse effects, Vitamin A administration & dosage, Patch Tests, Erythema chemically induced, Erythema diagnosis, Niacinamide adverse effects, Niacinamide administration & dosage
- Abstract
Background: There is a dearth of effective treatments to counter retinol-induced skin irritation., Objective: This study aimed to investigate the efficacy of three potential mitigants: (i) phytosteryl/octyldodecyl lauroyl glutamate (PLG), (ii) a physiologic lipid mixture (PLM) comprised of ceramide three and cholesterol, and (iii) niacinamide, in ameliorating irritation instigated by retinol., Methods: An occlusive human patch test, spanning 5 days, was undertaken on 18 Chinese participants aged between 23 and 40. It was designed as a randomized, double-blind, and vehicle-controlled study. Clinician erythema assessment (CEA) and instrumental evaluations were employed pre and post-test. Subsequently, a 4-week consumer in-use test, randomized and double-blind in nature, was executed to substantiate the soothing effects of PLG., Results: Data from CEA and bioengineering assessments revealed that, in comparison to the vehicle control, both 2% PLG and 5% PLM notably curbed retinol-induced skin erythema and inflammation. Notably, PLG outperformed PLM. Conversely, 3% niacinamide did not offer relief against retinol-induced discomfort. The subsequent consumer in-use test affirmed that treatments with 2% PLG were better tolerated than those with the vehicle alone., Conclusion: To the best of our knowledge, this study represents the first confirmation that physiologic lipids effectively mitigate retinol-induced irritation. Given their capacity to counter retinol-induced irritation, physiologic lipids, particularly PLG, are recommended for incorporation in retinol regimens. Additionally, the Visia-CR a* value can serve as a robust objective measure for interpreting patch test outcomes., (© 2024 The Authors. Journal of Cosmetic Dermatology published by Wiley Periodicals LLC.)
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- 2024
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3. The evaluation value of intracranial magnetic resonance angiography combined with carotid ultrasound in cerebral infarction.
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Guo X and Sun L
- Abstract
Objective: To explore the evaluation value of intracranial magnetic resonance angiography (MRA) combined with carotid ultrasound (CU) in patients with cerebral infarction (CI)., Methods: A retrospective analysis was conducted on 122 patients with CI who underwent intracranial MRA combined with CU examination in Shengzhou People's Hospital from January 2021 to October 2022. Vascular stenosis rate and CU parameters of patients with different degrees of nerve damage (ND) and size of CI lesion were analyzed., Results: The rate of vascular stenosis and ultrasound parameters significantly varied between patients with different degrees of ND and different sizes of CI lesion. Spearman test showed a significant positive correlation between vascular stenosis, pulsatile index (PI), and resistance index (RI) with the degree of ND and the size of CI lesions in patients. There was a significant negative correlation between peak systolic velocity (PSV) and end-diastolic velocity (EDV) and the degree of ND and the size of CI lesions (P<0.05)., Conclusions: Intracranial MRA combined with CU can clarify the vascular stenosis and hemodynamic characteristics of patients with CI, and the combined approach closely correlates with the characteristics of CI, which can be used for disease assessment., (Copyright: © Pakistan Journal of Medical Sciences.)
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- 2024
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4. The prediction of influenza-like illness using national influenza surveillance data and Baidu query data.
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Wei S, Lin S, Wenjing Z, Shaoxia S, Yuejie Y, Yujie H, Shu Z, Zhong L, and Ti L
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- Humans, China epidemiology, Neural Networks, Computer, Forecasting, Influenza, Human epidemiology, Epidemics
- Abstract
Background: Seasonal influenza and other respiratory tract infections are serious public health problems that need to be further addressed and investigated. Internet search data are recognized as a valuable source for forecasting influenza or other respiratory tract infection epidemics. However, the selection of internet search data and the application of forecasting methods are important for improving forecasting accuracy. The aim of the present study was to forecast influenza epidemics based on the long short-term memory neural network (LSTM) method, Baidu search index data, and the influenza-like-illness (ILI) rate., Methods: The official weekly ILI% data for northern and southern mainland China were obtained from the Chinese Influenza Center from 2018 to 2021. Based on the Baidu Index, search indices related to influenza infection over the corresponding time period were obtained. Pearson correlation analysis was performed to explore the association between influenza-related search queries and the ILI% of southern and northern mainland China. The LSTM model was used to forecast the influenza epidemic within the same week and at lags of 1-4 weeks. The model performance was assessed by evaluation metrics, including the mean square error (MSE), root mean square error (RMSE) and mean absolute error (MAE)., Results: In total, 24 search queries in northern mainland China and 7 search queries in southern mainland China were found to be correlated and were used to construct the LSTM model, which included the same week and a lag of 1-4 weeks. The LSTM model showed that ILI% + mask with one lag week and ILI% + influenza name were good prediction modules, with reduced RMSE predictions of 16.75% and 4.20%, respectively, compared with the estimated ILI% for northern and southern mainland China., Conclusions: The results illuminate the feasibility of using an internet search index as a complementary data source for influenza forecasting and the efficiency of using the LSTM model to forecast influenza epidemics., (© 2024. The Author(s).)
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- 2024
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5. Ultrasonic-Assisted Surface Finishing of STAVAX Mold Steel Using Lab-Made Polishing Balls on a 5-Axis CNC Machining Center.
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Shiou FJ, Pan JN, Ding ZL, and Lin SP
- Abstract
The inconvenience of conventional wool ball polishing is that the surface finishing process should be equipped with a slurry container. The main objective of this research is to develop an ultrasonic-assisted surface finishing process for STAVAX mold steel on a 5-axis CNC machining center, by using new lab-made rubber polishing balls containing the abrasive aluminum oxide instead of the traditional wool ball polishing. In total, five types (type A to type E) of new rubber-matrixed polishing balls with a composite of nitrile butadiene rubber (NBR), an abrasive of aluminum oxide, and an additive of silicon dioxide have been developed. The performance of the composites with different grain sizes (0.05 μm to 3 μm) and concentrations of the abrasive of aluminum oxide have been investigated. The effects of multiple polishing passes on the surface roughness improvement for the lab-made polishing balls have also been investigated in this study. A surface roughness of Ra 0.027 μm on average was achieved by using the multiple polishing process of E-C-B-A. The volumetric wear of the lab-made polishing balls, using ultrasonic vibration-assisted polishing, can be improved from about 12.64% (type A) to 65.48% (type E) compared with the non-vibration-assisted polishing. The suitable combination of the ultrasonic vibration-assisted polishing parameters were an amplitude of 10 μm, a frequency of 23 kHz, a spindle speed of 5000 rpm, a feed rate of 60 mm/min, a stepover of 20 μm, a penetration depth of 180 μm, and a polishing pass of E-C-B-A, based on the experimental results. The surface roughness improvement on a test carrier with a saddle surface has also been presented by using the ultrasonic vibration-assisted polishing with the lab-made polishing balls.
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- 2023
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6. Ultrasound-Guided Thoracic Paravertebral Block Using Paraventricular Oblique Sagittal (POS) Approach for the Treatment of Acute Herpes Zoster: A Two-Blind Randomized Controlled Trial.
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Deng A, Chen Z, Lin S, Zhou Y, and He L
- Abstract
Introduction: The aim of this work is to examine the efficacy and benefits of ultrasound (US)-guided thoracic paravertebral block (TPVB) using paraventricular oblique sagittal (POS) approach for the treatment of herpes zoster related acute pain (ZAP) and its preventive effects on post-herpetic neuralgia (PHN)., Methods: A total of 136 patients suffering from ZAP within 2 weeks of rash onset were randomly allocated to transverse short axial approach (TSA) and paraventricular oblique sagittal (POS) group in 1:1 ratio. All patients received a standard antiviral treatment and rescue analgesics besides TPVB. Primary outcome was HZ illness burden (HZ-BOI) measured by a severity-by-duration composite pain assessment during 30 days. The non-inferiority margin (NIM) was set at - 10. Secondary outcomes included visual analog pain scores (VAS) and Kolcaba's General Comfort Questionnaire discomfortable scores (GCQ) during block needle insertion, quality of life (QoL), and PHN incidence during follow-up. Adverse events were also recorded., Results: VAS pain scores (30 (IQR: 20, 40) vs. 65 (IQR: 45, 90), p < 0.001) and GCQ discomfortable scores (p < 0.001) were significantly lower in the POS group during needle insertion. The POS approach was not inferior to the proved TSA method in terms of BOI-30
AUC when the lower limit of 95% confidence interval (CI) of two mean differences (13.54 (95% CI - 3.55, 30.63)) lay within the NIM. There were no differences between the two groups in BOI-30-90AUC , and BOI-90-180AUC (p = 0.260 and 0.182). Greater QoL improvement and lower PHN incidence were comparable between the two groups. No serious adverse events occurred., Conclusions: US-guided TPVB using less-invasive POS technique was as an optimal early intervention to reduce ZAP and a possible preventive strategy for PHN., Trial Registration: The study was retrospectively registered in the Chinese Clinical Trial Registry on November 15, 2022 (ChiCTR2200065783)., (© 2023. The Author(s).)- Published
- 2023
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7. Microcatheter-guided compartment packing of acutely ruptured complex intracerebral aneurysms (ARCIAs): Preliminary experience and technical note.
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Zhang YB, Xie BS, Wang HJ, Huang SX, Fan WJ, Zhu M, Chen GR, Wang DL, Yao PS, Yu LH, Dai LS, Kang DZ, and Zheng SF
- Abstract
Objective: We present our initial experience using the microcatheter-guided compartment packing (MCP) technique for endovascular embolization of acutely ruptured complex intracerebral aneurysms (ARCIAs) and evaluate the safety, feasibility, and efficiency of this technique., Methods: This retrospective, single-center study included 28 patients who underwent coil embolization using the MCP technique for ARCIAs at our institution between January 2021 and January 2022. The MCP technique was the placement of microcatheters in different compartments within the aneurysm to deploy the coils simultaneously or sequentially. Patient demographics, aneurysm characteristics, procedural parameters, grade of occlusion, complications, and clinical results were analyzed. The clinical outcomes were evaluated with modified Rankin Scale (mRS) scores., Results: Of the 28 patients successfully treated with the MCP technique, 24 (85.7%) aneurysms were considered as complete occlusions (Raymond I) based on the immediate postembolization angiogram results. Complications occurred in 2/28 treatments, including guidewire perforation with subarachnoid hemorrhage and cerebral vasospasm-related cerebral infarction. An angiography follow-up demonstrated complete occlusion in 25/28 aneurysms. Twenty-six (92.9%) patients had favorable 90-day outcomes (mRS 0-2) after the endovascular coil embolization., Conclusion: The MCP technique is simple, safe, and effective, achieving good packing density and initial occlusion rate when used to treat ARCIAs., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Zhang, Xie, Wang, Huang, Fan, Zhu, Chen, Wang, Yao, Yu, Dai, Kang and Zheng.)
- Published
- 2022
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8. Mechanical Thrombectomy with Tandem Double Stent Retriever in Combination with Intermediate Catheter Aspiration for Refractory Severe Hemorrhagic Cerebral Venous Sinus Thrombosis.
- Author
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Zheng SF, Zhang YB, Xie BS, Wang HJ, Fan WJ, Chen GR, Dai LS, Yu LH, Yao PS, and Kang DZ
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- Humans, Adult, Thrombectomy methods, Retrospective Studies, Catheters, Stents, Treatment Outcome, Sinus Thrombosis, Intracranial diagnostic imaging, Sinus Thrombosis, Intracranial surgery, Stroke
- Abstract
Objective: We aimed to describe the initial experience of mechanical thrombectomy using tandem double stent retrievers combined with intermediate catheter aspiration to treat refractory severe hemorrhagic (SH)-cerebral venous sinus thrombosis (CVST)., Methods: All refractory SH-CVST patients treated with mechanical thrombectomy using tandem double stent retriever (SR) combined with intermediate catheter aspiration (MT-TDSA) in our institution were retrospectively reviewed. MT-TDSA is a technique that fully engages the clot with double SRs and retrieves the clot using a double SR in combination with aspiration from an intermediate catheter. Demographics, clinical manifestation, medical history, the location of the occluded venous sinus, intraoperative details, procedure-related complications, and modified Rankin Scale (1, 6, 12 months postoperatively) were collected and analyzed., Results: Fourteen patients (median age, 43 years) with refractory SH-CVST were treated with MT-TDSA between January 2016 and January 2020. Ten of 14 (71.4%) had a successful intraoperative recanalization rate (>90%) using MT-TDSA. No procedure-related complications occurred. Eleven patients had good clinical outcomes (modified Rankin Scale score 0-2 at 12 months postoperatively)., Conclusions: MT-TDSA for refractory SH-CVST might improve clot-capturing ability and remove blood clots from cerebral venous sinuses effectively and safely, achieving good clinical outcomes., (Copyright © 2022 Elsevier Inc. All rights reserved.)
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- 2022
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9. Sex Differences in Obesity and Cognitive Function in Chinese Elderly Patients With Chronic Schizophrenia.
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Li W, Lin S, Yue L, Fang Y, and Xiao S
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- Aged, China epidemiology, Cognition, Female, Humans, Male, Obesity complications, Obesity epidemiology, Sex Characteristics, Schizophrenia complications, Schizophrenia epidemiology
- Abstract
Background: It is well known that schizophrenia is associated with sex differences. However, no study has explored the sex differences in obesity and cognitive function in elderly Chinese patients with schizophrenia., Objective: This study aimed to compare sex differences in obesity and cognitive function in elderly Chinese individuals with schizophrenia., Methods: A total of 304 elderly patients with schizophrenia and 130 sex- and age-matched healthy controls from the community were recruited. Demographic, clinical, and lipid parameters were collected for all subjects. The Montreal Cognitive Assessment (MoCA) was used to assess the global cognitive functions of the participants, while the Positive and Negative Syndrome Scale (PANSS) was used to assess psychopathological symptoms in patients with schizophrenia., Results: Of the patients with schizophrenia, the prevalence of obesity in men and women was 11.7% (19/163) and 21.3% (30/141), respectively. The score (14.51 ± 6.504) of MOCA in elderly male patients with schizophrenia was significantly higher than that (11.40 ± 6.822) in female patients. There was a positive correlation between the MOCA scores and body mass index (BMI) (r=0.206, p=0.018) in male elderly patients with schizophrenia. Conversely, the MOCA scores of female elderly patients with schizophrenia did not correlate with BMI (p>0.05). However, we found no sex differences in obesity and cognition among control older adults., Conclusions: Our findings suggest that there are significant sex differences in obesity and cognitive function in elderly Chinese patients with schizophrenia., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest. The reviewer MHX declared a shared affiliation with the author(s) HA to the handling editor at the time of review., (Copyright © 2022 Li, Lin, Yue, Fang and Xiao.)
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- 2022
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10. An Asia-specific variant of human IgG1 represses colorectal tumorigenesis by shaping the tumor microenvironment.
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Yang B, Zhang Z, Chen X, Wang XY, Qin S, Du L, Yang C, Zhu L, Sun W, Zhu Y, Zheng Q, Zhao S, Wang Q, Zhao L, Lin Y, Huang J, Wu F, Lu L, Wang F, Zheng W, Zhou XH, Zhao X, Wang Z, Xiao-Lin S, Ye Y, Wang S, Li Z, Qi H, Zhang Z, Kuang DM, Zhang L, Shen Z, and Liu W
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- Animals, CD8-Positive T-Lymphocytes, Carcinogenesis metabolism, Cell Transformation, Neoplastic metabolism, Humans, Mice, Prospective Studies, Colorectal Neoplasms genetics, Colorectal Neoplasms metabolism, Colorectal Neoplasms therapy, Immunoglobulin G genetics, Immunoglobulin G metabolism, Tumor Microenvironment genetics
- Abstract
Emerging studies have focused on ways to treat cancers by modulating T cell activation. However, whether B cell receptor signaling in the tumor microenvironment (TME) can be harnessed for immunotherapy is unclear. Here, we report that an Asia-specific variant of human IgG1 containing a Gly396 to Arg396 substitution (hIgG1-G396R) conferred improved survival of patients with colorectal cancer (CRC). Mice with knockin of the murine functional homolog mIgG2c-G400R recapitulated the alleviated tumorigenesis and progression in murine colon carcinoma models. Immune profiling of the TME revealed broad mobilizations of IgG1+ plasma cells, CD8+ T cells, CD103+ DCs, and active tertiary lymphoid structure formation, suggesting an effective antitumor microenvironment in hIgG1-G396R CRC patients. Mechanistically, this variant potentiated tumor-associated antigen-specific (TAA-specific) plasma cell differentiation and thus antibody production. These elevated TAA-specific IgG2c antibodies in turn efficiently boosted the antibody-dependent tumor cell phagocytosis and TAA presentation to effector CD8+ T cells. Notably, adoptive transfer of TAA-specific class-switched memory B cells harboring this variant exhibited therapeutic efficacy in murine tumor models, indicating their clinical potential. All these results prompted a prospective investigation of hIgG1-G396R in patients with CRC as a biomarker for clinical prognosis and demonstrated that manipulating the functionality of IgG1+ memory B cells in tumors could improve immunotherapy outcomes.
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- 2022
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11. An innovative targeted therapy for fluoroscopy-induced chronic radiation dermatitis.
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Wei KC, Lai SF, Huang WL, Yang KC, Lai PC, Wei WJ, Chang TH, Huang YC, Tsai YC, Lin SC, Lin SJ, and Lin SC
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- Animals, Cell Line, Hippo Signaling Pathway drug effects, Humans, Keratinocytes metabolism, Mice, Inbred C57BL, Radiodermatitis drug therapy, Radiodermatitis genetics, Skin drug effects, Skin metabolism, YAP-Signaling Proteins genetics, YAP-Signaling Proteins metabolism, Mice, Anti-Inflammatory Agents therapeutic use, Fluoroscopy adverse effects, Glucocorticoids therapeutic use, Prednisolone therapeutic use, Radiodermatitis metabolism
- Abstract
Fluoroscopy-induced chronic radiation dermatitis (FICRD) is a complication of fluoroscopy-guided intervention. Unlike acute radiation dermatitis, FICRD is different as delayed onset and usually appears without preexisting acute dermatitis. Unfortunately, the chronic and progressive pathology of FICRD makes it difficult to treat, and some patients need to receive wide excision and reconstruction surgery. Due to lack of standard treatment, investigating underlying mechanism is needed in order to develop an effective therapy. Herein, the Hippo pathway is specifically identified using an RNA-seq analysis in mild damaged skin specimens of patients with FICRD. Furthermore, specific increase of the Yes-associated protein (YAP1), an effector of the Hippo pathway, in skin region with mild damage plays a protective role for keratinocytes via positively regulating the numerous downstream genes involved in different biological processes. Interestingly, irradiated-keratinocytes inhibit activation of fibroblasts under TGF-β1 treatment via remote control by an exosome containing YAP1. More importantly, targeting one of YAP1 downstream genes, nuclear receptor subfamily 3 group C member 1 (NR3C1), which encodes glucocorticoid receptor, has revealed its therapeutic potential to treat FICRD by inhibiting fibroblasts activation in vitro and preventing formation of radiation ulcers in a mouse model and in patients with FICRD. Taken together, this translational research demonstrates the critical role of YAP1 in FICRD and identification of a feasible, effective therapy for patients with FICRD. KEY MESSAGES: • YAP1 overexpression in skin specimens of radiation dermatitis from FICRD patient. • Radiation-induced YAP1 expression plays protective roles by promoting DNA damage repair and inhibiting fibrosis via remote control of exosomal YAP1. • YAP1 positively regulates NR3C1 which encodes glucocorticoid receptor expression. • Targeting glucocorticoid receptor by prednisolone has therapeutic potential for FICRD patient., (© 2021. The Author(s).)
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- 2022
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12. Non-invasive survey technology for estimating the distribution of oxidant solution: A pilot injection study.
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Tsai YJ, Wu TN, Lee CH, Lin SL, and Tsai WH
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- Oxidants, Oxidation-Reduction, Technology, Environmental Restoration and Remediation, Groundwater, Water Pollutants, Chemical analysis
- Abstract
In-situ chemical oxidation (ISCO) can remove pollutants efficiently. However, the most important key to successfully conducting ISCO on site is to place the oxidant in close contact with the contaminant. Therefore, monitoring tools that provide for enhanced tracking of the injectate offer considerable benefit to guide subsequent ISCO injections. In this study, we applied the MagnetoMetric Resistivity (MMR) method to survey the distribution of an injected oxidant. A pilot test was conducted on a 10 m × 10 m site, and the sodium persulfate injection involved four pulse injections from one injection well. A magnetic field survey coupled with conventional monitoring was performed before the initial injection and after each pulse injection. The results of this study showed that groundwater samples from six observation wells and seven direct-push EC loggings did not provide sufficient data to quantify the distribution and flow behavior of the injected oxidant. However, the magnetic field survey visually showed the dynamic distribution of the injected oxidant, and the flow pathways and flow behavior were assessed accordingly. Although the flow behavior of injected solution was changeable in the aquifer, but the magnetic field survey combined with the monitoring of the well samples helped to explain the abnormal changes in the electrical conductivity of the observation wells and supports the use of the magnetic field survey technology as a method of monitoring ISCO injections., (Copyright © 2021 Elsevier B.V. All rights reserved.)
- Published
- 2021
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13. The Effects of Light-to-Moderate Alcohol Consumption on the Cognitive Function of Community Nondemented Male Elderly: A Cohort Study.
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Yan Z, Yingjie Z, Na A, Qi Q, Wei L, Wenzheng W, Lin S, and Shifu X
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- Aged, Alcohol Drinking adverse effects, Cognition, Cohort Studies, Humans, Male, Cognition Disorders, Cognitive Dysfunction etiology
- Abstract
Aim: To investigate the effects of light-to-moderate drinking on the cognitive function of the elderly in a large elderly community cohort. Although heavy drinking is linked with impaired brain functions, the effects of light-to-moderate drinking on the cognitive function of the elderly are still controversial., Methods: A total of 1469 nondemented elderly men from 15 research centers in 8 cities and provinces were included and divided into two groups: drinking (531 subjects) and nondrinking (938 subjects). Cognitive functions were assessed by the Beijing version of the Montreal Cognitive Assessment (MoCA) at baseline and one-year follow-up., Results: There was no difference in total cognitive scores between the light-to-moderate drinking and nondrinking groups at baseline and follow-up. Nonalcohol users performed better naming and abstraction function at baseline and better naming function at follow-up. There was no difference in cognitive performance decline and new-onset dementia rates at follow-up., Conclusions: Light-to-moderate alcohol consumption had no significant impact on the overall cognitive function and the risk of dementia in elderly men., Competing Interests: All the contributing authors declare no conflict of interest., (Copyright © 2021 Zhang Yan et al.)
- Published
- 2021
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14. Laparoscopic repair of transected right hepatic artery during cholecystectomy: A report of two cases.
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Bao-Qiang W, Jun H, Wen-Song L, Yong J, Xue-Min C, and Dong-Lin S
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- Female, Hepatic Artery surgery, Humans, Male, Middle Aged, Vascular System Injuries diagnosis, Vascular System Injuries surgery, Cholecystectomy adverse effects, Gallstones surgery, Hepatic Artery injuries, Intraoperative Complications surgery, Laparoscopy methods, Vascular Surgical Procedures methods, Vascular System Injuries etiology
- Abstract
In laparoscopic cholecystectomy (LC), the treatment of iatrogenic biliary tract injury has been given much attention. However, most accidental right hepatic artery (RHA) injuries are treated with simple clipping. The reason is that the RHA has difficulty in revascularization, and it is generally considered that RHA injury does not cause serious consequences. However, some studies suggest that some cases of RHA ligation can cause a series of pathological changes correlated to arterial ischemia, such as liver abscess, bile tumor, liver atrophy and anastomotic stenosis. Theoretically, RHA blood flow should be restored when possible, in order to avoid the complications of right hepatic ischemia. The present study involved two patients, including one male and one female patient. Both patients were admitted to the hospital with the diagnosis of chronic cholecystitis and gallbladder stone, and developed ischemia of the right half hepatic after accidental transection of the RHA. Both patients underwent continuous end-end anastomosis of the RHA with 6-0 Prolene suture. After the blood vessel anastomosis, the right half liver quickly recovered to its original bright red. No adverse complications were observed in follow-ups at three and six months after the operation. Laparoscopic repair of the RHA is technically feasible. Reconstruction of the RHA can prevent complications associated with right hepatic ischemia., (Copyright © 2019 Fundación Clínica Médica Sur, A.C. Published by Elsevier España, S.L.U. All rights reserved.)
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- 2021
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15. The Beneficial Effect of Physical Exercise on Cognitive Function in a Non-dementia Aging Chinese Population.
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Lin S, Yang Y, Qi Q, Wei L, Jing N, Jie Z, Xia L, and Shifu X
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Numerous observational studies have shown that physical exercise promotes cognition in the elderly, however, the results from randomized clinical trials (RCTs) are ambiguous. In addition, potential benefits of exercise in an elderly Chinese population have not been comprehensively addressed. In this study, an investigation was launched which focused on the relationship between physical exercise and cognitive function, blood lipid profiles and brain anatomy in a non-dementia aging Chinese population. A total of 2074 non-dementia elderly subjects were included (self-selected exercise n = 1372; self-selected non-exercise n = 702). Amongst the subjects, 689 volunteered to receive blood lipid tests, 141 undergo brain magnetic resonance imaging (MRI), and 1399 receive a 1 year cognitive evaluation follow-up. The Beijing version of the Montreal Cognitive Assessment (MoCA) and the Mini-Mental States Examination (MMSE) were used to assess cognitive function. A significant difference in cognitive function was observed at the baseline and during the 1-year follow-up between the self-selected exercise and self-selected non-exercise groups, however, no significant differences in blood lipids and brain anatomy was evident. Physical exercise has a beneficial effect on cognition, particularly visuospatial function, and decreases the risk of dementia in a Chinese aging cohort.
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- 2019
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16. Withdrawal: Role of extracellular matrix renal tubulo-interstitial nephritis antigen (TINag) in cell survival utilizing integrin αvβ3/focal adhesion kinase (FAK)/phosphatidylinositol 3-kinase (PI3K)/protein kinase B-serine/threonine kinase (AKT) signaling pathway.
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Xie P, Kondeti VK, Lin S, Haruna Y, Raparia K, and Kanwar YS
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- 2019
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17. Withdrawal: High glucose stimulates synthesis of fibronectin via a novel protein kinase C, Rap1b, and B-Raf signaling pathway.
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Lin S, Sahai A, Chugh SS, Pan X, Wallner EI, Danesh FR, Lomasney JW, and Kanwar YS
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- 2019
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18. Further Recognition of Interventional Medicine.
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Li LS
- Abstract
Subtle changes have occurred in China, and interventional radiology has gradually become an independent specialty, separated from diagnostic radiology. This has been called "Interventionalogy", "interventional medicine (IM)", or simply Intervention by our team, and "Interventional Radiology" is used no more. It has even been given the name "Third clinical Medicine" by us. Chinese intervention has established an independent association for interventional doctors, as well as independent interventional societies in many provinces. The national interventional society will likely be set up at some point in time. Chinese interve ntion has set up their own clinical wards, with much attention paid to a clinical, professional, and normalized direction for development, and established special nursing units. According to us, turf battle is meaningless. "The Third clinical Medicine" belongs to all human beings. It could also be predicted that interventional history will follow the same evolutionary rule as other disciplines, i.e., "long divided, must unite; long united, must divide"., (© 2018 Shanghai Journal of Interventional Medicine Press. Production and hosting by Elsevier B.V. on behalf of KeAi.)
- Published
- 2019
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19. Osmotin: A plant defense tool against biotic and abiotic stresses.
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Hakim, Ullah A, Hussain A, Shaban M, Khan AH, Alariqi M, Gul S, Jun Z, Lin S, Li J, Jin S, and Munis MFH
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- Disease Resistance physiology, Plant Diseases genetics, Plant Diseases microbiology, Plant Proteins genetics, Plant Proteins metabolism, Plants genetics, Plants metabolism, Plants microbiology
- Abstract
Plants are prone to a number of pathogens and abiotic stresses that cause various disorders. However, plants possess a defense mechanism to cope with these stresses. The osmotin protein belongs to the PR-5 family of Pathogenesis-related (PR) proteins, which are produced in response to diseases caused by various biotic and abiotic stresses. Osmotin uses a signal transduction pathway to inhibit the activity of defensive cell wall barriers and increases its own cytotoxic efficiency. However, in response to cytotoxic effects, this pathway stimulates a mitogen-activated protein kinase (MAPK) cascade that triggers changes in the cell wall and enables osmotin's entrance into the plasma membrane. This mechanism involves cell wall binding and membrane perturbation, although the complete mechanism of osmotin activity has not been fully elucidated. Osmotin possesses an acidic cleft that is responsible for communication with its receptor in the plasma membrane of fungi. Osmotin is also involved in the initiation of apoptosis and programmed cell death, whereas its overexpression causes the accumulation of proline in transgenic plants. A higher concentration of osmotin can cause the lysis of hyphae tips. This review highlights the role of osmotin protein in the plant defense mechanism and its mode of action against numerous pathogens in wild and transgenic plants., (Copyright © 2017 Elsevier Masson SAS. All rights reserved.)
- Published
- 2018
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20. Upregulated BMP6 pathway involved in the pathogenesis of Aβ toxicity in vivo.
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Lin S, Wei L, Ping Y, Xia L, and Xiao S
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- Amyloid beta-Peptides toxicity, Amyloid beta-Protein Precursor genetics, Animals, Animals, Genetically Modified, Caenorhabditis elegans, Disease Models, Animal, Hippocampus pathology, Mice, Microglia metabolism, Microglia pathology, Neurons pathology, Plaque, Amyloid metabolism, Plaque, Amyloid pathology, Presenilin-1 genetics, Up-Regulation, Alzheimer Disease metabolism, Alzheimer Disease pathology, Amyloid beta-Peptides metabolism, Bone Morphogenetic Protein 6 metabolism, Hippocampus metabolism, Neurons metabolism
- Abstract
In our previous work, we demonstrated the protective effect of BMP6 on neuron against Aβ toxicity in vitro. In the present study, our aim was to determine the effects of BMP6 in Aβ toxicity in vivo. Firstly, we evaluated the levels and localization of endogenous BMP6 in APP/PS1 transgenic mice. Secondly, dose-response effects of exogenous BMP6 and BMP6 pathway antagonists were tested in transgenic CL2006C. elegans (expressing Aβ3-42) lifespan and locomotor activity. We have three findings: 1) BMP6 was upregulated in the hippocampus in APP/PS1 mice. 2) The endogenous BMP6 is mainly expressed in the cytoplasm of neuron and nuclear of microglia, not in astrocyte in APP/PS1 mice. 3) BMP6 supplementation did not benefit transgenic worms, even toxic at certain concentrations, and antagonizing BMP downstream pathways including Smad and LIMK1 could alleviate the toxicity caused by 0.1μg/ml BMP6. The results suggest there is elevated BMP6 pathway in Aβ toxicity, and normalization of BMPs may be an important target for therapeutic intervention of AD., (Copyright © 2017 Elsevier B.V. All rights reserved.)
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- 2018
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21. Effect of heat sink on the recurrence of small malignant hepatic tumors after radiofrequency ablation.
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Lin ZY, Li GL, Chen J, Chen ZW, Chen YP, and Lin SZ
- Subjects
- Adult, Aged, Aged, 80 and over, Carcinoma, Hepatocellular diagnostic imaging, Female, Follow-Up Studies, Humans, Liver Neoplasms diagnostic imaging, Magnetic Resonance Imaging methods, Male, Middle Aged, Neoplasm Recurrence, Local, Treatment Outcome, Tumor Burden, Ultrasonography, Doppler, Color, Carcinoma, Hepatocellular pathology, Carcinoma, Hepatocellular therapy, Catheter Ablation methods, Hyperthermia, Induced methods, Liver Neoplasms pathology, Liver Neoplasms therapy
- Abstract
Aims: The aim of this study was to investigate the effect of heat sink on the recurrence of hepatic malignant tumors <3 cm after percutaneous radiofrequency ablation (RFA)., Subjects and Methods: This study included 564 hepatic malignant tumors <3 cm in 381 patients. Preoperative images were used to determine whether these tumors were adjacent to vessels, and the diameter of adjacent vessels was measured. RFA was performed computed tomography (CT), magnetic resonance imaging (MRI) and ultrasound (US) guidance, and postoperative imaging follow-up was then conducted., Statistical Analysis Used: SPSS software version 17.0 was used for data processing, and the χ2 test was used for comparative analysis. Two-sided P < 0.05 indicated statistical significance., Results: A total of 33 recurrences were found: 15 in the MR group (15/468), 12 in the US group (12/53), and 6 in the CT group (6/43). Of the 101 lesions adjacent to blood vessels larger than 3 mm, 20 showed recurrence: 10 in the MR group (10/77), 7 in the US group (7/17), and 3 in the CT group (3/7). The recurrence rate of perivascular lesions was higher than that of nonperivascular lesions, and the rate in the MR group was lower those in the US and CT groups., Conclusions: The curative effect of MRI-guided RFA is better than those of US- and CT-guided ablation. The heat sink effect is an important factor affecting recurrence of hepatic malignant tumors after RFA.
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- 2016
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22. Protein and gene expression characteristics of heterogeneous nuclear ribonucleoprotein H1 in esophageal squamous cell carcinoma.
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Sun YL, Liu F, Liu F, and Zhao XH
- Subjects
- Adult, Aged, Alternative Splicing, Apoptosis, Biomarkers, Tumor genetics, Biomarkers, Tumor metabolism, Carcinoma, Squamous Cell pathology, Cell Line, Tumor, Cell Proliferation, Esophageal Neoplasms pathology, Esophageal Squamous Cell Carcinoma, Female, Gene Expression Regulation, Neoplastic, Humans, Male, Middle Aged, RNA, Messenger genetics, RNA, Messenger metabolism, RNA, Neoplasm genetics, RNA, Neoplasm metabolism, Up-Regulation, Carcinoma, Squamous Cell genetics, Carcinoma, Squamous Cell metabolism, Esophageal Neoplasms genetics, Esophageal Neoplasms metabolism, Heterogeneous-Nuclear Ribonucleoprotein Group F-H genetics, Heterogeneous-Nuclear Ribonucleoprotein Group F-H metabolism
- Abstract
Aim: To investigate the expression characteristics of heterogeneous nuclear ribonucleoprotein H1 (HNRNPH1) mRNA and protein in cell lines and tissues of esophageal squamous cell carcinoma (ESCC)., Methods: Western blotting was used to assess the expression of HNRNPH1 protein in seven ESCC cell lines and 30 paired fresh tissue specimens. The subcellular localization of HNRNPH1 was determined by immunofluorescence in ESCC cells. The RNA sequencing data from 87 patients with ESCC were obtained from the cancer genome atlas (TCGA), and the expression and clinical characteristics analysis of different transcript variants of HNRNPH1 were evaluated in this dataset. In addition, immunohistochemistry was carried out to detect the expression of HNRNPH1 protein in 125 patients., Results: The expression of HNRNPH1 protein varied across different ESCC cell lines. It was exclusively restricted to the nucleus of the ESCC cells. There are two transcript variants of the HNRNPH1 gene. Variant 1 was constitutively expressed, and its expression did not change during tumorigenesis. In contrast, levels of variant 2 were low in non-tumorous tissues and were dramatically increased in ESCC (P = 0.0026). The high levels of variant 2 were associated with poorer differentiated tumors (P = 0.0287). Furthermore, in paired fresh tissue specimens, HNRNPH1 protein was overexpressed in 73.3% (22/30) of neoplastic tissues. HNRNPH1 was significantly upregulated in ESCC, with strong staining in 43.2% (54/125) of tumor tissues and 22.4% (28/125) of matched non-cancerous tissues (P = 0.0005). Positive HNRNPH1 expression was significantly associated with poor tumor differentiation degree (P = 0.0337)., Conclusion: The different alternative transcript variants of HNRNPH1 exhibited different expression changes during tumorigenesis. Its mRNA and protein were overexpressed in ESCC and associated with poorer differentiation of tumor cells. These findings highlight the potential of HNRNPH1 in the therapy and diagnosis of ESCC.
- Published
- 2016
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23. Redefining Budd-Chiari syndrome: A systematic review.
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Shin N, Kim YH, Xu H, Shi HB, Zhang QQ, Colon Pons JP, Kim D, Xu Y, Wu FY, Han S, Lee BB, and Li LS
- Abstract
Aim: To re-examine whether hepatic vein thrombosis (HVT) (classical Budd-Chiari syndrome) and hepatic vena cava-Budd Chiari syndrome (HVC-BCS) are the same disorder., Methods: A systematic review of observational studies conducted in adult subjects with primary BCS, hepatic vein outflow tract obstruction, membranous obstruction of the inferior vena cava (IVC), obliterative hepatocavopathy, or HVT during the period of January 2000 until February 2015 was conducted using the following databases: Cochrane Library, CINAHL, MEDLINE, PubMed and Scopus., Results: Of 1299 articles identified, 26 were included in this study. Classical BCS is more common in women with a pure hepatic vein obstruction (49%-74%). HVC-BCS is more common in men with the obstruction often located in both the inferior vena cava and hepatic veins (14%-84%). Classical BCS presents with acute abdominal pain, ascites, and hepatomegaly. HVC-BCS presents with chronic abdominal pain and abdominal wall varices. Myeloproliferative neoplasms (MPN) are the most common etiology of classical BCS (16%-62%) with the JAK2V617-F mutation found in 26%-52%. In HVC-BCS, MPN are found in 4%-5%, and the JAK2V617-F mutation in 2%-5%. Classical BCS responds well to medical management alone and 1(st) line management of HVC-BCS involves percutaneous recanalization, with few managed with medical management alone., Conclusion: Systematic review of recent data suggests that classical BCS and HVC-BCS may be two clinically different disorders that involve the disruption of hepatic venous outflow.
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- 2016
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24. Systolic Blood Pressure Variability is a Novel Risk Factor for Rebleeding in Acute Subarachnoid Hemorrhage: A Case-Control Study.
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Lin QS, Ping-Chen, Lin YX, Lin ZY, Yu LH, Dai LS, and Kang DZ
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- Adult, Case-Control Studies, China epidemiology, Female, Humans, Male, Middle Aged, Recurrence, Regression Analysis, Blood Pressure, Subarachnoid Hemorrhage mortality
- Abstract
Unlabelled: Rebleeding of an aneurysm is a major cause of morbidity and mortality after subarachnoid hemorrhage (SAH). Whereas numerous studies have demonstrated predictors of rebleeding and effect of systolic blood pressure variability (SBPV) on stroke, few data on the association between SBPV and rebleeding. Here, we sought to identify the effect of SBPV on rebleeding in acute aneurysmal SAH. Case-control study. From January 2010 to June 2015, 612 patients with aneurysmal SAH were enrolled in our tertiary care medical center., Main Outcome Measures: Consecutive patients with acute (<3 days from ictus) aneurismal rebleeding or repair or death were retrospectively included. Antihypertensive therapy based on a predefined standardized protocol was prescribed to lower and maintain SBP between 120 and 160 mm Hg. SBP was measured hourly until a censoring event occurred. SBPV was determined as standard deviation (SD) and successive variation (SV). Binary logistic regression was used to assess the association between SBPV and rebleeding. Rebleeding occurred in 61 (10.0%) of the 612 patients. We identified 47 acute rebleeding as cases and 382 early repair or early death as controls. On binary logistic regression analysis, rebleeding was associated with the SD of SBP (odds ratio [OR], 1.254; 95% confidence interval [CI], 1.131-1.391; P < 0.001) and the SV of SBP (OR, 1.131; 95% CI, 1.039-1.231; P = 0.004). No significant difference was seen between rebleeding and mean systolic blood pressure (MSBP). SBPV is associated with increased rates of acute aneurysmal rebleeding. Further prospective research is warranted to confirm that SBP stability prevents acute aneurysm rebleeding.
- Published
- 2016
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25. Aberrant expression of peroxiredoxin 1 and its clinical implications in liver cancer.
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Sun YL, Cai JQ, Liu F, Bi XY, Zhou LP, and Zhao XH
- Subjects
- Adult, Aged, Cysteine Endopeptidases metabolism, Disease-Free Survival, Female, Gene Expression, Hep G2 Cells, Humans, Male, Middle Aged, Protein Processing, Post-Translational, Sex Factors, Survival Rate, Up-Regulation, Liver Neoplasms genetics, Liver Neoplasms metabolism, Peroxiredoxins genetics, Peroxiredoxins metabolism, RNA, Messenger metabolism
- Abstract
Aim: To investigate the expression characteristics of peroxiredoxin 1 (PRDX1) mRNA and protein in liver cancer cell lines and tissues., Methods: The RNA sequencing data from 374 patients with liver cancer were obtained from The Cancer Genome Atlas. The expression and clinical characteristics of PRDX1 mRNA were analyzed in this dataset. The Kaplan-Meier and Cox regression survival analysis was performed to determine the relationship between PRDX1 levels and patient survival. Subcellular fractionation and Western blotting were used to demonstrate the expression of PRDX1 protein in six liver cancer cell lines and 29 paired fresh tissue specimens. After bioinformatics prediction, a putative post-translational modification form of PRDX1 was observed using immunofluorescence under confocal microscopy and immunoprecipitation analysis in liver cancer cells., Results: The mRNA of PRDX1 gene was upregulated about 1.3-fold in tumor tissue compared with the adjacent non-tumor control (P = 0.005). Its abundance was significantly higher in men than women (P < 0.001). High levels of PRDX1 mRNA were associated with a shorter overall survival time (P = 0.04) but not with recurrence-free survival. The Cox regression analysis demonstrated that patients with high PRDX1 mRNA showed about 1.9-fold increase of risk for death (P = 0.03). In liver cancer cells, PRDX1 protein was strongly expressed with multiple different bands. PRDX1 in the cytosol fraction existed near the theoretical molecular weight, whereas two higher molecular weight bands were present in the membrane/organelle and nuclear fractions. Importantly, the theoretical PRDX1 band was increased, whereas the high molecular weight form was decreased in tumor tissues. Subsequent experiments revealed that the high molecular weight bands of PRDX1 might result from the post-translational modification by small ubiquitin-like modifier-1 (SUMO1)., Conclusion: PRDX1 was overexpressed in the tumor tissues of liver cancer and served as an independent poor prognostic factor for overall survival. PRDX1 can be modified by SUMO to play specific roles in hepatocarcinogenesis.
- Published
- 2015
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26. Progress in the treatment of pulmonary metastases after liver transplantation for hepatocellular carcinoma.
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Xiang ZW, Sun L, Li GH, Maharjan R, Huang JH, and Li CX
- Abstract
Hepatocellular carcinoma (HCC) is the fifth most common cancer in the world, and is the third leading cause of cancer-related death. Liver transplantation (LT) has become a curative treatment for patients with HCC. However, recurrence and metastasis after LT are the main factors reducing long-term survival in patients, and the lung is the most common site of metastasis after LT for HCC, although metastasis to liver, para-aortic lymph nodes and renal periphery are observed. Thus, the treatment of pulmonary metastases after LT for HCC has become a hot research topic, the successful treatment of pulmonary metastases can significantly prolong the survival of LT patients. Although single conventional treatment (chemotherapy, surgery and external beam radiation therapy), immunosuppression, image-guided minimally invasive therapy (radiofrequency ablation, microwave ablation, cryoablation, and brachytherapy) and molecular targeted drugs have had a significant effect, patients do not have durable remission and the long-term survival rate is disappointing. Therefore, improving existing treatments and identifying a more effective combination therapy are important research issues in the prevention and treatment of pulmonary metastases after LT for HCC. The paper reviewed single conventional treatments, new treatments, and combination therapy, to provide a basis for the best treatment of these patients.
- Published
- 2015
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27. Differentiation Effects of Platelet-Rich Plasma Concentrations on Synovial Fluid Mesenchymal Stem Cells from Pigs Cultivated in Alginate Complex Hydrogel.
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Tang HC, Chen WC, Chiang CW, Chen LY, Chang YC, and Chen CH
- Subjects
- Alginates chemistry, Animals, Cell Culture Techniques, Cell Differentiation, Cells, Cultured, Female, Glucuronic Acid chemistry, Hexuronic Acids chemistry, Hydrogel, Polyethylene Glycol Dimethacrylate chemistry, Mesenchymal Stem Cells cytology, Swine, Chondrogenesis, Mesenchymal Stem Cells metabolism, Platelet-Rich Plasma metabolism, Synovial Fluid cytology
- Abstract
This article studied the effects of platelet-rich plasma (PRP) on the potential of synovial fluid mesenchymal stem cells (SF-MSCs) to differentiate. The PRP and SF-MSCs were obtained from the blood and knees of pigs, respectively. The identification of SF-MSCs and their ability to differentiate were studied by histological and surface epitopes, respectively. The SF-MSCs can undergo trilineage mesenchymal differentiation under osteogenic, chondrogenic, and adipocyte induction. The effects of various PRP concentrations (0%, 20% and 50% PRP) on differentiation were evaluated using the SF-MSCs-alginate system, such as gene expression and DNA proliferation. A 50% PRP concentration yielded better differentiation than the 20% PRP concentration. PRP favored the chondrogenesis of SF-MSCs over their osteogenesis in a manner that depended on the ratios of type II collagen/type I collagen and aggrecan/osteopontin. Eventually, PRP promoted the proliferation of SF-MSCs and induced chondrogenic differentiation of SF-MSCs in vitro. Both PRP and SF-MSCs could be feasibly used in regenerative medicine and orthopedic surgeries.
- Published
- 2015
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28. QRS duration shortening predicts left ventricular reverse remodelling in patients with dilated cardiomyopathy after cardiac resynchronization therapy.
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Zhang J, Zhang Y, Zhou X, Li J, Li Y, Zhang Y, Xu G, Xing Q, Lin S, and Tang B
- Subjects
- Echocardiography, Female, Forecasting, Humans, Male, Middle Aged, Regression Analysis, Cardiac Resynchronization Therapy, Cardiomyopathy, Dilated physiopathology, Cardiomyopathy, Dilated therapy, Electrocardiography, Ventricular Remodeling physiology
- Abstract
Objective: The relationship between the QRS duration, severity of mechanical dyssynchrony and efficacy of cardiac resynchronization therapy (CRT) is poorly understood. We determined if QRS duration shortening in patients with dilated cardiomyopathy after treatment with CRT was predictive of left ventricular (LV) reverse remodelling., Methods: Thirty patients with dilated cardiomyopathy were enrolled. Electrocardiographic and echocardiographic recordings were obtained before and 6 months after CRT. Patients were classified as CRT responders or non-responders based on their echocardiographic parameters 6 months following CRT., Results: After 6 months of CRT, 9 patients (30%) were classified as non-responders. Surprisingly, no significant differences in any of the preoperative metrics were found between CRT responders and non-responders. In sharp contrast, the postoperative parameters of the CRT responder group had significantly improved compared to the non-responder group. The average QRS duration of the CRT responders was significantly shorter than that of the non-responders (-37 +/- 23 ms vs. 0 +/- 23 ms; P < 0.01). The relationships between preoperative parameters, the change in QRS duration and LV end-diastolic diameter were analysed for each patient using multi-linear correlation and regression analyses. We found that the change in QRS duration positively cor- related with the change in LV endiastolic diameter (R = 0.583, P = 0.001). Furthermore, multi-linear regression analysis suggested that changes in QRS duration had a significant effect on LV end-diastolic diameter (y = 9.739 + 0.272 x, P = 0.006)., Conclusion: CRT-mediated changes in the QRS duration are predictive of LV reverse remodelling in patients with dilated cardiomyopathy.
- Published
- 2015
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29. Arterioportal shunts in patients with hepatocellular carcinoma treated using ethanol-soaked gelatin sponge: therapeutic effects and prognostic factors.
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Zhou WZ, Shi HB, Liu S, Yang ZQ, Zhou CG, Xia JG, Zhao LB, and Li LS
- Subjects
- Aged, Aged, 80 and over, Arterio-Arterial Fistula etiology, Carcinoma, Hepatocellular complications, Embolization, Therapeutic methods, Ethanol therapeutic use, Female, Follow-Up Studies, Humans, Liver Neoplasms complications, Male, Middle Aged, Sclerosing Solutions therapeutic use, Treatment Outcome, Arterio-Arterial Fistula therapy, Carcinoma, Hepatocellular therapy, Gelatin Sponge, Absorbable therapeutic use, Hepatic Artery abnormalities, Liver Neoplasms therapy, Portal Vein abnormalities
- Abstract
Purpose: To evaluate the efficacy and safety of transarterial embolization with ethanol-soaked gelatin sponge (ESG) for the treatment of arterioportal shunts (APSs) in patients with hepatocellular carcinoma (HCC)., Materials and Methods: A total of 61 patients with unresectable HCC was included in this study, conducted from June 2008 to November 2011. These patients, who were treated with APSs, had received transarterial therapy. They underwent transarterial embolization of the shunt with ESG followed by transarterial chemoembolization if available. Changes in APSs, tumor response (per modified Response Evaluation Criteria in Solid Tumors), postembolization events, patient survival, and prognostic factors were analyzed., Results: The median follow-up period was 13 months (range, 3-34 mo). The immediate APS improvement rate was 97% (59 of 61), and the APS improvement rate at first-time follow-up was 54% (33 of 61). Tumor response at 2 months after first embolization was as follows: complete response in two patients (3.3%), partial response in 24 patients (39.3%), stable disease in 24 patients (39.3%), and progressive disease in 11 patients (18.1%). Survival rates were 79% at 6 months, 50% at 1 year, and 12% at 2 years; the median survival time was 382 days. Maximal tumor size and APS improvement at first-time follow-up were demonstrated to be independent prognostic factors (P < .05)., Conclusions: Transarterial embolization with ESG may be safe and effective for the treatment of APSs in patients with unresectable HCC. Small maximal tumor size (< 5 cm) and an improvement in APSs favored overall survival., (Copyright © 2015 SIR. Published by Elsevier Inc. All rights reserved.)
- Published
- 2015
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30. Comparison of two surgical techniques for resection of uncomplicated sigmoid volvulus: laparoscopy or open surgical approach?
- Author
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Basato S, Lin Sun Fui S, Pautrat K, Tresallet C, and Pocard M
- Subjects
- Acute Disease, Adult, Aged, Anastomosis, Surgical, Colectomy mortality, Emergencies, Female, Follow-Up Studies, Humans, Intestinal Volvulus mortality, Male, Middle Aged, Recurrence, Retrospective Studies, Sigmoid Diseases mortality, Surgical Stapling, Treatment Outcome, Colectomy methods, Colon, Sigmoid surgery, Intestinal Volvulus surgery, Laparoscopy mortality, Sigmoid Diseases surgery
- Abstract
Aim of the Study: The optimal treatment for acute sigmoid volvulus has not been defined. Our aim was to compare the results of two techniques for the management of uncomplicated sigmoid volvulus coming from two separate surgical services, which had each chosen a different technique: open surgical versus laparoscopic., Patients and Methods: Patients with sigmoid volvulus who underwent a surgical resection with immediate anastomosis, either emergency or scheduled, were included. Risk of morbidity (Dindo-Clavien criteria) and mortality (criteria of the AFC-French Association of Surgery) were evaluated., Results: Thirteen patients in the open surgical group were operated in a 10-year period and 17 patients in the laparoscopy group were operated on in a seven-year period. The mean age (57 years in both groups) and sex ratio (0.7 versus 0.6, respectively), and the length of hospital stay (18 versus 15 days, respectively) were comparable in the two groups. The open surgical procedure was performed urgently in 62% (n=8/13) versus 24% (n=4/17) in the laparoscopic group. The two groups were comparable in terms of risk factors for mortality by AFC score. The anastomotic leak rate was 8% (n=1/13) for the open surgical group versus 18% (n=3/17) for the laparoscopic group, while serious morbidity was 15% (n=2/13) versus 12% (n=2/17). No recurrence of volvulus was observed in the open group (mean follow-up of 26 months) versus 12% (n=2) in the laparoscopy group (mean follow-up of 32 months)., Conclusion: We did not find any significant difference between the two techniques. But the technical simplicity and the absence of recurrence in the open surgical group emphasize the importance of this technique., (Copyright © 2014 Elsevier Masson SAS. All rights reserved.)
- Published
- 2014
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31. Rare case of omentum-wrapped abscess caused by a fish bone penetrating the terminal ileum.
- Author
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Wu CX, Wu BQ, Duan YF, Sun DL, and Jiang Y
- Subjects
- Abdominal Abscess diagnosis, Abdominal Abscess surgery, Abdominal Pain etiology, Animals, Foreign-Body Migration diagnosis, Foreign-Body Migration surgery, Humans, Ileum diagnostic imaging, Ileum surgery, Intestinal Perforation diagnosis, Intestinal Perforation surgery, Male, Middle Aged, Omentum diagnostic imaging, Predictive Value of Tests, Tomography, X-Ray Computed, Treatment Outcome, Abdominal Abscess etiology, Bone and Bones diagnostic imaging, Fishes, Foreign-Body Migration etiology, Ileum injuries, Intestinal Perforation etiology, Omentum surgery, Seafood adverse effects
- Abstract
Accidentally ingested foreign bodies, for the most part, pass through the gastrointestinal tract, but can cause several complications. Perforation is rare, but can occur in any segment of the gastrointestinal tract. Intestinal perforations due to foreign bodies are rarely diagnosed preoperatively as clinical symptoms are non-specific and they can mimic other abdominal conditions. We describe a case of a 48-year-old patient who was admitted to the emergency room because of severe abdominal pain of 5 d duration. A computed tomography scan showed an undefined liquid collection involving a linear image 35 mm in size, suggestive of a foreign body. On laparotomy, an abscess containing a fish bone was resected. As fish bone ingestion is usually not remembered by the patient, the diagnosis can be delayed. The preoperative diagnosis is frequently acute abdomen of unknown cause. A low threshold of suspicion along with a good clinical history and radiological studies are extremely important in order to make a correct diagnosis.
- Published
- 2014
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32. Regulatory effects of miRNA on gastric cancer cells.
- Author
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Yang O, Huang J, and Lin S
- Abstract
The present study aimed to screen the regulatory mechanism of microRNA (miR/miRNA) typing on gastric cancer cells in gastric cancer tissues. In total, 46 patients who underwent gastric resection in Xiangya Hospital of Central-South University (Changsha, Hunan, China) between January and December 2012 were selected. Gastric cancer cells were obtained for RNA extraction, and miRNAs were detected by quantitative polymerase chain reaction. Compared with the expression levels in the normal gastric mucosa, the expression levels of miR-9, miR-433, miR-19b and miR-370 were downregulated; the differences was statistically significant, except for miR-19b (P<0.05). miRNAs play a regulative role in the occurrence and development of gastric cancer, and changes in their expression provide a basis for the diagnosis of this disease.
- Published
- 2014
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33. Identification of biomarkers for hepatocellular carcinoma by semiquantitative immunocytochemistry.
- Author
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Mu H, Lin KX, Zhao H, Xing S, Li C, Liu F, Lu HZ, Zhang Z, Sun YL, Yan XY, Cai JQ, and Zhao XH
- Subjects
- Adult, Aged, Asialoglycoprotein Receptor metabolism, Biomarkers, Tumor metabolism, Carcinoma, Hepatocellular metabolism, Carcinoma, Hepatocellular mortality, Cell Line, Tumor, Female, Glypicans metabolism, Hepatitis B virus, Hepatitis B, Chronic complications, Hepatitis B, Chronic metabolism, Humans, Kaplan-Meier Estimate, Keratin-18 metabolism, Keratin-19 metabolism, Keratin-8 metabolism, Liver Neoplasms metabolism, Liver Neoplasms mortality, Male, Middle Aged, Neoplasm Metastasis, Neoplasm Recurrence, Local, Neoplastic Cells, Circulating metabolism, Carcinoma, Hepatocellular diagnosis, Gene Expression Regulation, Neoplastic, Immunohistochemistry, Liver Neoplasms diagnosis
- Abstract
Aim: To investigate the expression of key biomarkers in hepatoma cell lines, tumor cells from patients' blood samples, and tumor tissues., Methods: We performed the biomarker tests in two steps. First, cells plated on coverslips were used to assess biomarkers, and fluorescence intensities were calculated using the NIH Image J software. The measured values were analyzed using the SPSS 19.0 software to make comparisons among eight cell lines. Second, eighty-four individual samples were used to assess the biomarkers' expression. Negative enrichment of the blood samples was performed, and karyocytes were isolated and dropped onto pre-treated glass slides for further analysis by immunofluorescence staining. Fluorescence intensities were compared among hepatocellular carcinoma (HCC) patients, chronic HBV-infected patients, and healthy controls following methods similar to those used for cell lines. The relationships between the expression of biomarkers and clinical pathological parameters were analyzed by Spearman rank correlation tests. In addition, we studied the distinct biomarkers' expression with three-dimensional laser confocal microscopy reconstructions, and Kaplan-Meier survival analysis was performed to understand the clinical significance of these biomarkers., Results: Microscopic examination and fluorescence intensity calculations indicated that cytokeratin 8/18/19 (CK) expression was significantly higher in six of the seven HCC cell lines examined than in the control cells, and the expression levels of asialoglycoprotein receptor (ASGPR) and glypican-3 (GPC3) were higher in all seven HCC cell lines than in the control. Cells obtained from HCC patients' blood samples also displayed significantly higher expression levels of ASGPR, GPC3, and CK than cells from chronic HBV-infected patients or healthy controls; these proteins may be valuable surface biomarkers for identifying HCC circulating tumor cells isolated and enriched from the blood samples. The stem cell-like and epithelial-mesenchymal transition-related biomarkers could be detected on the karyocyte slides. ASGPR and GPC3 were expressed at high levels, and thus three-dimensional reconstructions were used to observe their expression in detail. This analysis indicated that GPC3 was localized in the cytoplasm and membrane, but that ASGPR had a polar localization. Survival analyses showed that expression of GPC3 and ASGPR is associated with a patient's overall survival (OS)., Conclusion: ASGPR, GPC3, and CK may be valuable HCC biomarkers for CTC detection; the expression of ASGPR and GPC3 might be helpful for understanding patients' OS.
- Published
- 2014
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34. Improving classification accuracy using fuzzy method for BCI signals.
- Author
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Wei Y, Jun Y, Lin S, and Hong L
- Subjects
- Adult, Female, Humans, Reproducibility of Results, Sensitivity and Specificity, Algorithms, Brain-Computer Interfaces, Electroencephalography methods, Evoked Potentials, Motor physiology, Fuzzy Logic, Motor Cortex physiology, Pattern Recognition, Automated methods
- Abstract
Electroencephalograph (EEG) signals feature extraction and processing is one of the most difficult and important part in the brain-computer interface (BCI) research field. EEG signals are generally unstable, complex and have low signal-noise ratio, which is difficult to be analyzed and processed. To solve this problem, this paper disassembles EEG signals with the empirical mode decomposition (EMD) algorithm, extracts the characteristic values of the major intrinsic mode function (IMF) components, and then classifies them with fuzzy C-means (FCM) method. Also, comparison research is done between the proposed method and several current EEG classification methods. Experimental results show that the classification accuracy based on the EEG signals of the second BCI competition in 2003 is up to 78%, which is superior to those of the comparative EEG classification methods.
- Published
- 2014
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35. Transarterial embolization for massive gastrointestinal hemorrhage following abdominal surgery.
- Author
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Zhou CG, Shi HB, Liu S, Yang ZQ, Zhao LB, Xia JG, Zhou WZ, and Li LS
- Subjects
- Adult, Aged, Aged, 80 and over, Aneurysm, False etiology, Aneurysm, False therapy, Aneurysm, Ruptured etiology, Aneurysm, Ruptured therapy, Digestive System Surgical Procedures mortality, Emergencies, Extravasation of Diagnostic and Therapeutic Materials etiology, Extravasation of Diagnostic and Therapeutic Materials therapy, Female, Gastrointestinal Hemorrhage diagnostic imaging, Gastrointestinal Hemorrhage etiology, Gastrointestinal Hemorrhage mortality, Humans, Male, Middle Aged, Postoperative Hemorrhage diagnostic imaging, Postoperative Hemorrhage etiology, Postoperative Hemorrhage mortality, Radiography, Recurrence, Retrospective Studies, Severity of Illness Index, Time Factors, Treatment Outcome, Digestive System Surgical Procedures adverse effects, Embolization, Therapeutic, Gastrointestinal Hemorrhage therapy, Postoperative Hemorrhage therapy
- Abstract
Aim: To evaluate the clinical results of angiography and embolization for massive gastrointestinal hemorrhage after abdominal surgery., Methods: This retrospective study included 26 patients with postoperative hemorrhage after abdominal surgery. All patients underwent emergency transarterial angiography, and 21 patients underwent emergency embolization. We retrospectively analyzed the angiographic features and the clinical outcomes of transcatheter arterial embolization., Results: Angiography showed that a discrete bleeding focus was detected in 21 (81%) of 26 patients. Positive angiographic findings included extravasations of contrast medium (n = 9), pseudoaneurysms (n = 9), and fusiform aneurysms (n = 3). Transarterial embolization was technically successful in 21 (95%) of 22 patients. Clinical success was achieved in 18 (82%) of 22 patients. No postembolization complications were observed. Three patients died of rebleeding., Conclusion: The positive rate of angiographic findings in 26 patients with postoperative gastrointestinal hemorrhage was 81%. Transcatheter arterial embolization seems to be an effective and safe method in the management of postoperative gastrointestinal hemorrhage.
- Published
- 2013
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36. Double network hydrogels from polyzwitterions: high mechanical strength and excellent anti-biofouling properties.
- Author
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Yin H, Akasaki T, Lin Sun T, Nakajima T, Kurokawa T, Nonoyama T, Taira T, Saruwatari Y, and Ping Gong J
- Abstract
Polyzwitterionic materials, which have both cationic and anionic groups in the polymeric repeat unit, show excellent anti-biofouling properties and are drawing more attention in the biomedical field. In this study, we have successfully synthesized novel single network hydrogels and double network (DN) hydrogels from the zwitterionic monomer, N-(carboxymethyl)-N,N-dimethyl-2-(methacryloyloxy) ethanaminium, inner salt (CDME). The polyCDME (PCDME) single network hydrogel behaves like a hydrophilic neutral hydrogel and its properties are not sensitive to temperature, pH, or ionic strength over a wide range. DN hydrogels using the poly(2-acrylamido-2-methylpropanesulfonic) (PAMPS) as the first network and PCDME as the second network, having a Young's modulus of 0.2-0.9 MPa, possess excellent mechanical strength (fracture stress: 1.2-1.4 MPa, fracture strain: 2.2-6.0 mm/mm) and toughness (work of extension at fracture: 0.9-2.4 MJ m
-3 ) depending on the composition ratio of PCDME to PAMPS. The strength and toughness of the optimized PAMPS/PCDME DN is comparable to the normal PAMPS/PAAm DN hydrogels that use poly(acrylamide) (PAAm) as the second network. By macrophage adhesion test, both the PCDME hydrogels and the PAMPS/PCDME DN hydrogels have shown excellent anti-biofouling properties. These results demonstrate that the PCDME-based DN hydrogels have high potential as a novel soft and wet biomaterial.- Published
- 2013
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37. Transarterial embolization with cyanoacrylate for severe arterioportal shunt complicated by hepatocellular carcinoma.
- Author
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Shi HB, Yang ZQ, Liu S, Zhou WZ, Zhou CG, Zhao LB, Xia JG, and Li LS
- Subjects
- Aged, Angiography, Carcinoma, Hepatocellular blood supply, Embolization, Therapeutic adverse effects, Female, Humans, Liver Function Tests, Liver Neoplasms blood supply, Male, Middle Aged, Proportional Hazards Models, Retrospective Studies, Statistics, Nonparametric, Survival Rate, Treatment Outcome, Arteriovenous Fistula etiology, Arteriovenous Fistula therapy, Carcinoma, Hepatocellular complications, Cyanoacrylates therapeutic use, Embolization, Therapeutic methods, Liver Neoplasms complications, Portal Vein
- Abstract
Purpose: To evaluate the efficacy and safety of cyanoacrylate glue embolization in the treatment of severe arterioportal shunt (APS) presenting with hepatofugal portal venous flow in hepatocellular carcinoma (HCC) patients., Materials and Methods: Between July 2000 and January 2010, 27 HCC patients with severe APS presenting with hepatofugal portal venous flow underwent transarterial angiography and treatment. Among them, four patients were excluded from the study. Twelve patients underwent transarterial chemoperfusion and embolization of APS with cyanoacrylate glue between January 2006 and January 2010 (Emb group), and the other 11 patients undergoing only transarterial chemoperfusion without embolization of APS between July 2000 and December 2005 served as a control group (non-Emb group). The change of APS, survival rates, and procedure related complications were analyzed., Results: In the Emb group, APS was improved in all of the 12 patients after initial glue embolization; long-term APS improvement with hepatopetal portal flow was achieved in 80 % (8 of 10) patients who underwent follow-up angiography. Survival rates in the Emb group were 67 % at 6 months, 33 % at 1 year, and 8 % at 2 years, whereas those in the non-Emb group were 0 % at 6 months (P < 0.05). Median survival time in the Emb group was 275 days, which was longer than that of 107 days in the non-Emb group (P = 0.001). There were no major complications in both groups., Conclusion: The preliminary experience suggests that glue embolization may be an effective and safe therapy in the management of severe APS accompanied by HCC and also improve patient survival.
- Published
- 2013
- Full Text
- View/download PDF
38. Stent-jail technique in endovascular treatment of wide-necked aneurysm.
- Author
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Rong-Bo Q, Hua J, Kai W, and Ze-Lin S
- Subjects
- Adult, Aneurysm, Ruptured surgery, Embolization, Therapeutic, Female, Humans, Male, Middle Aged, Plastic Surgery Procedures, Treatment Outcome, Young Adult, Endovascular Procedures methods, Intracranial Aneurysm surgery, Stents
- Abstract
Aim: To describe a reconstructive technique using single stent for wide-necked aneurysms., Material and Methods: This technique was described as stent-jail technique consisting of the aneurismal catheterization before the deployment of a self-expandable stent across the aneurysm neck. Following the deployment of the stent, embolization coils were delivered with the microcatheter positioned within the aneurysm dome and wedged between the stent and the aneurysm dome. The microstents, such as Neuroform, Leo and Wingspan stents, were used in in our series for electively treated aneurysms., Results: During a 3-year period,13 patients with wide-necked aneurysms were treated electively with this technique. The aneurysms arose from the internal carotid artery (5), anterior cerebral artery (4), anterior communicating artery (1), vertebral artery ( 1), middle cerebral artery (1) and middle cerebral artery (1). Thirteen stents (6 Leo stents, 4 Neuroform stents and 3 Wingspan stents) were successfully deployed across the aneurysm neck to constrain subsequent embolization coils of a wide-necked cerebral aneurysm. None of the patients experienced any periprocedural or delayed neurological complications. This maneuver enabled us to support the coil loops within the aneurismal sac with stabilization of the microcatheter., Conclusion: The stent-jail technique represents an efficacious adjuvant technique to assist coiling of selected wide-necked cerebral aneurysms. This technique is particularly helpful for wide-necked aneurysms.
- Published
- 2013
- Full Text
- View/download PDF
39. Clinical significance of nucleostemin expression and its correlation with cyclin D1 expression in malignant ovarian tumors.
- Author
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Lin S and Yu HS
- Subjects
- Adult, Aged, Carcinoma pathology, Female, Humans, Middle Aged, Ovarian Neoplasms pathology, Ovary pathology, Young Adult, Biomarkers, Tumor metabolism, Carcinoma metabolism, Cyclin D1 metabolism, GTP-Binding Proteins metabolism, Nuclear Proteins metabolism, Ovarian Neoplasms metabolism
- Abstract
Objective: To investigate the expression of the nucleostemin (NS) gene in ovarian tumors and its correlation with the expression of cyclin D1., Methods: The expression levels of nucleostemin and cyclin D1 proteins were measured by immunohistochemical staining in ovarian tumors and normal ovarian tissues, and the relationship between their levels was analyzed., Results: Nucleostemin gene and cyclin D1 expressions were detected in 28 and 27 specimens of malignant ovarian tumors (93.7% and 90.0%), 4 and 8 specimens of ovarian borderline tumors (40.0% and 80.0%), and in both specimens of benign ovarian tumors, respectively. The expression of NS gene was seen in 5, 13, and 10 specimens of malignant ovarian tumors of high, moderate, and low grade, respectively. The expression of the nucleostemin gene was significantly related to the tumor grade (r = 0.786, P < 0. 05), and a significant relationship between nucleostemin and cyclin D1 expression was found (r = 0.834, P < 0.05). The expression of the nucleostemin gene was not detected in normal ovarian tissue., Conclusion: The expression of the nucleostemin gene in ovarian tumors is closely correlated with origination, progression, and grading of tumors and may serve as a marker in estimating the malignancy of ovarian tumors. The overexpression of cyclin D1 might be correlated with nucleostemin expression. Nucleostemin may have an impact on the passage of cells through the G1/S checkpoint, and thus cell cycle progress, by regulating cyclin D1 expression.
- Published
- 2011
- Full Text
- View/download PDF
40. Role of extracellular matrix renal tubulo-interstitial nephritis antigen (TINag) in cell survival utilizing integrin (alpha)vbeta3/focal adhesion kinase (FAK)/phosphatidylinositol 3-kinase (PI3K)/protein kinase B-serine/threonine kinase (AKT) signaling pathway.
- Author
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Xie P, Kondeti VK, Lin S, Haruna Y, Raparia K, and Kanwar YS
- Subjects
- Animals, Antineoplastic Agents adverse effects, Antineoplastic Agents pharmacology, Apoptosis drug effects, Apoptosis genetics, Caspase 3 genetics, Caspase 3 metabolism, Caspase 7 genetics, Caspase 7 metabolism, Cell Line, Cell Survival drug effects, Cell Survival genetics, Cisplatin adverse effects, Cisplatin pharmacology, Cytochromes c genetics, Cytochromes c metabolism, Extracellular Matrix genetics, Extracellular Matrix Proteins genetics, Focal Adhesion Kinase 1 genetics, Gene Expression Regulation drug effects, Gene Expression Regulation physiology, Integrin alphaVbeta3 genetics, Kidney Diseases chemically induced, Kidney Diseases genetics, Kidney Diseases metabolism, Phosphatidylinositol 3-Kinases genetics, Proto-Oncogene Proteins c-akt genetics, Rats, Rats, Inbred Lew, Rats, Wistar, Signal Transduction drug effects, Species Specificity, Tumor Suppressor Protein p53 genetics, Tumor Suppressor Protein p53 metabolism, bcl-2-Associated X Protein genetics, bcl-2-Associated X Protein metabolism, Extracellular Matrix metabolism, Extracellular Matrix Proteins metabolism, Focal Adhesion Kinase 1 metabolism, Glomerular Basement Membrane metabolism, Integrin alphaVbeta3 metabolism, Phosphatidylinositol 3-Kinases metabolism, Proto-Oncogene Proteins c-akt metabolism, Signal Transduction physiology
- Abstract
Tubulo-interstitial nephritis antigen (TINag) is an extracellular matrix protein expressed in tubular basement membranes. Combined mutations in TINag and nephrocystin-1 genes lead to nephronophthisis with reduced cell survival. Because certain extracellular matrix proteins are known to modulate cell survival, studies were initiated in Lewis rats lacking TINag to assess if they are more susceptible to cisplatin-induced injury. Cisplatin induced a higher degree of tubular cell damage and apoptosis in regions where TINag is expressed in a parental Wistar strain. This was accompanied by an accentuated increase in serum creatinine and Kim-1 RNA and renal expression of Bax, p53, and its nuclear accumulation, mtDNA fragmentation, and a decrease of Bcl-2. Cisplatin induced fulminant apoptosis of HK-2 cells with increased caspase3/7 activity, mtDNA fragmentation, and a reduced cell survival. These effects were partially reversed in cells maintained on TINag substratum. Far Western/solid phase assays established TINag binding with integrin αvβ3 comparable with vitronectin. Transfection of cells with αv-siRNA accentuated cisplatin-induced apoptosis, aberrant translocation of cytochrome c and Bax, and reduced cell survival. The αv-siRNA decreased expression of integrin-recruited focal adhesion kinase (FAK) and p-FAK, while increasing the expression of p53 and p-p53. Similarly, p-AKT was reduced although ILK was unaffected. Inhibition of PI3K had similar adverse cellular effects. These effects were ameliorated in cells on TINag substratum. In vivo, a higher degree of decrease in the expression of p-FAK and pAKT was observed in Lewis rats following cisplatin treatment. These in vivo and in vitro studies demonstrate an essential role of TINag in cellular survival to maintain proper tubular homeostasis utilizing integrin αvβ3 and downstream effectors.
- Published
- 2011
- Full Text
- View/download PDF
41. Transcriptional and post-translational modulation of myo-inositol oxygenase by high glucose and related pathobiological stresses.
- Author
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Nayak B, Kondeti VK, Xie P, Lin S, Viswakarma N, Raparia K, and Kanwar YS
- Subjects
- Animals, Base Sequence, Blotting, Western, Cell Line, Chromatin Immunoprecipitation, DNA Primers, Diabetes Mellitus, Experimental enzymology, Diabetes Mellitus, Experimental metabolism, Electrophoresis, Polyacrylamide Gel, Electrophoretic Mobility Shift Assay, Inositol Oxygenase genetics, Kidney Tubules, Proximal enzymology, Kidney Tubules, Proximal metabolism, Mice, Mutagenesis, Site-Directed, Phosphorylation, Glucose metabolism, Inositol Oxygenase metabolism, Protein Processing, Post-Translational, Stress, Physiological, Transcription, Genetic
- Abstract
Renal-specific oxidoreductase/myo-inositol oxygenase (RSOR/MIOX) catabolizes myo-inositol and is implicated in the pathogenesis of diabetic nephropathy. How high glucose (HG) ambience up-regulates its expression and enzyme activity was investigated. MIOX up-regulation was associated with an increase in enzyme activity, which was reduced to basal levels with phosphatase treatment. Using phosphothreonine, protein kinase A (PKA), and PKC substrate antibodies, analyses of kidney lysates of diabetic animals and LLC-PK1/HK-2 cells subjected to HG ambience indicated MIOX to be a phosphoprotein. Kinase phosphorylated recombinant RSOR/MIOX proteins had increased activity confined to exons 2-5. Mutants with substituted phosphorylation sites had a minimal increase in activity. Treatment of cells with PKC, PKA, and PDK1 kinase activators increased activity, whereas inhibitors reduced it. Inhibitors also reduced the phosphorylation and activity of MIOX induced by HG. Besides HG, exposure of cells to oxidants H(2)O(2) and methylglyoxal up-regulated MIOX expression and its phosphorylation and activity, whereas antioxidants N-acetylcysteine, β-naphthoflavone, and tertiary butyl hydroquinone reduced MIOX expression. Treatment with HG or oxidants or overexpression of MIOX induced nuclear translocation of redox-sensitive transcription factor Nrf2, which binds to antioxidant response elements of various promoters. Promoter analyses revealed an increase in luciferase activity with HG and oxidants. Analyses of antioxidant response elements and carbohydrate response elements revealed an accentuation of DNA-protein interactions with oxidants and under HG ambience. ChIP-PCR and immunofluorescence studies revealed nuclear translocation of carbohydrate response element-binding protein. These findings suggest that phosphorylation of RSOR/MIOX enhances its activity, which is augmented by HG via transcriptional/translational events that are also modulated by diabetes-related pathobiological stresses.
- Published
- 2011
- Full Text
- View/download PDF
42. Massive pulmonary embolism: treatment with the rotarex thrombectomy system.
- Author
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Liu S, Shi HB, Gu JP, Yang ZQ, Chen L, Lou WS, He X, Zhou WZ, Zhou CG, Zhao LB, Xia JG, and Li LS
- Subjects
- Adult, Aged, Angiography, Contrast Media, Female, Humans, Male, Middle Aged, Pulmonary Embolism diagnostic imaging, Pulmonary Embolism drug therapy, Retrospective Studies, Thrombolytic Therapy methods, Tomography, X-Ray Computed, Treatment Outcome, Pulmonary Embolism therapy, Thrombectomy instrumentation
- Abstract
This study was designed to evaluate the efficacy and safety of percutaneous mechanical thrombectomy (PMT) for acute massive pulmonary embolism (PE). Fourteen patients (8 men, 6 women) with a mean age of 55.4 (range, 38-71) years with acute massive PE were initially diagnosed by computed tomography (CT) and confirmed by pulmonary angiography. All patients presented with acute PE symptoms and hemodynamic compromise. Each patient was treated with Straub Rotarex thrombectomy device and five patients received additional thrombolysis. Technique success and clinical improvement were achieved in all patients without major complications. The mean pulmonary artery pressure (PAP) decreased from 37.6 ± 6.6 to 29 ± 6.4 mmHg (P < 0.01) after PMT. Partial arterial pressures of O(2) (PaO(2)) increased from 61.1 ± 9.2 to 88 ± 5.1 mmHg (P < 0.01). The Miller index was 0.67 ± 0.11 and 0.37 ± 0.13 (P < 0.01), respectively, before and after PMT (P < 0.01). Eleven patients had no recurrence of PE on a mean follow-up of 28.3 months, whereas the other three patients were lost to follow-up. The preliminary experience in our series suggests that the Straub Rotarex thrombectomy device, which has been utilized in peripheral arteries, also is useful for the treatment of acute massive PE.
- Published
- 2011
- Full Text
- View/download PDF
43. The plasminogen activator inhibitor-1 (PAI-1) gene -844 A/G and -675 4G/5G promoter polymorphism significantly influences plasma PAI-1 levels in women with polycystic ovary syndrome.
- Author
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Lin S, Huiya Z, Bo L, Wei W, and Yongmei G
- Subjects
- Adult, Body Mass Index, Case-Control Studies, Female, Fibrinolysis genetics, Follicle Stimulating Hormone blood, Gene Frequency, Genetic Predisposition to Disease, Humans, Insulin Resistance genetics, Luteinizing Hormone blood, Waist-Hip Ratio, Young Adult, Plasminogen Activator Inhibitor 1 blood, Plasminogen Activator Inhibitor 1 genetics, Polycystic Ovary Syndrome blood, Polycystic Ovary Syndrome genetics, Polymorphism, Single Nucleotide physiology, Promoter Regions, Genetic genetics
- Abstract
Mutations in the plasminogen activator inhibitor-1 (PAI-1) gene, along with increased PAI-1 levels, have been implicated in the pathogenesis of polycystic ovarian syndrome (PCOS). We investigated a possible influence of the promoter polymorphism (-844 A/G and -675 4G/5G) in the PAI-1 gene on plasma PAI-1 levels in 126 PCOS patients and 97 healthy controls. Levels of total testosterone, luteinizing hormone (LH), follicle stimulating hormone (FSH), fasting plasma glucose (FPG), fasting insulin, and PAI-1 were measured, and body mass index (BMI), waist-to-hip ratio (WHR), LH/FSH ratio, and homeostasis model assessment for insulin resistance (HOMA-IR) were calculated. PAI-1 -675 4G/5G and -844 A/G gene polymorphisms were also performed. Total testosterone, fasting insulin, and PAI-1 levels; BMI, LH/FSH, and HOMA-IR were significantly higher in PCOS patients than controls (P < 0.05). The odds ratio of 4G/4G genotype, 4G allele, and the combination genotype of 4G/4G and -844 A/A were 2.49 (95% confidence interval (CI), 1.4-4.44), 2.1 (95% CI, 1.43-3.08), and 2.9 (95% CI, 1.41-5.98), respectively, (P < 0.001). In the PCOS group, the PAI-1 level of the A/A was significantly higher than that of the A/G or G/G genotype, similarly was 4G/4G genotype compared with 4G/5G or 5G/5G genotype. The plasma PAI-1 levels of the combination of the PAI-1 -844 A/A and -675 4G/4G or 4G/5G genotypes, or the coadunation of 4G/4G and -844 non-G/G (A/A + A/G) genotypes were significantly high in PCOS women compared with controls. A trend to a positive interaction between PAI-1 -675 4G/5G and -844 A/G gene polymorphism may elevate plasma PAI-1 levels and hypofibrinolysis, which is probably an important hereditary risk factor in PCOS.
- Published
- 2009
- Full Text
- View/download PDF
44. Value of percutanous catheter fragmentation in the management of massive pulmonary embolism.
- Author
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Zhou WZ, Shi HB, Yang ZQ, Liu S, Zhou CG, Zhao LB, Xia JG, Feng YL, and Li LS
- Subjects
- Adult, Aged, Aged, 80 and over, Female, Humans, Male, Middle Aged, Pulmonary Embolism diagnostic imaging, Retrospective Studies, Tomography, X-Ray Computed, Vena Cava Filters, Young Adult, Catheterization methods, Pulmonary Embolism therapy, Thrombolytic Therapy methods
- Abstract
Background: Acute massive pulmonary embolism (PE) is a clinical emergency requiring rapid and supportive measures. Percutanous mechanical thrombectomy is considered as a treatment option. The purpose of this study was to evaluate the clinical efficacy and safety of peructaneous mechanical catheter fragmentation in the management of acute massive PE., Methods: From January 2003 to June 2007, 28 patients (20 men, 8 women; mean age 64 years) with acute massive PE initially diagnosed by computed tomography and confirmed by pulmonary angiography were treated with inferior vena caval filter placement and percutaneous catheter fragmentation. Twenty-six patients received thrombolytic agents after embolus fragmentation., Results: Technical success was achieved in all patients. The improvement of clinical status and restoration of blood flow in the main branches of the pulmonary artery were seen in 27 patients. Only one case did not benefit from the percutaneous therapy and died from the failure of the surgery. Oxygen saturation increased from (86.2 +/- 4.5)% to (96.1 +/- 3.2)% (P < 0.001) after the interventional procedure. The post-procedure mean pulmonary artery pressure decreased from (34.2 +/- 4.8) mmHg to (25.2 +/- 5.1) mmHg (P < 0.001). During clinical follow-up (range, 1 - 5 years), no patients had recurrence of PE., Conclusion: Percutaneous catheter fragmentation combined with thrombolysis is an effective and safe therapy in the clinical management of acute massive PE.
- Published
- 2009
45. Quality of life of caregivers and patients on peritoneal dialysis.
- Author
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Fan SL, Sathick I, McKitty K, and Punzalan S
- Subjects
- Adult, Aged, Female, Home Care Services, Humans, Kidney Failure, Chronic physiopathology, Kidney Failure, Chronic psychology, Kidney Failure, Chronic therapy, Male, Middle Aged, Quality of Life, Registries, Surveys and Questionnaires, United Kingdom, Caregivers psychology, Peritoneal Dialysis psychology
- Abstract
Peritoneal dialysis is the archetypal home-based therapy and is often favoured by patients. However, as patients with end-stage renal failure become more elderly, with more co-morbidity, their dependence on carers to provide physical, emotional and logistical support increases. The effect of this chronic burden has not been systematically studied. We have prospectively studied patients with end-stage renal failure starting peritoneal dialysis and their carers over a 1-year period. We selected a cohort of caregivers that are actively involved with the care of their partners' dialysis. Quality of Life (QoL) assessed by SF-36 questionnaires showed the patients and carers had impairment of QoL at the start of dialysis. As expected, the baseline QoL Physical Component Scores highly correlated with co-morbidity and assessment of functional capacity. Scores of all QoL domains improved after 1 year and this reached statistical significance for social functioning for both patients and carers. When we compared carers of highly dependent patients (required to perform daily dialysis) with carers of less dependent patients, we noted that the former had a statistically significant worsening of their mental health but other parameters were not different. We have shown that despite increasing the burden for caregivers, with careful selection, education and support, we did not adversely impact on the QoL of carers whilst there was some evidence of improvement, especially in social functioning. This gives reassurance that establishing dependent patients on PD is compatible with a holistic approach to the patients and their families.
- Published
- 2008
- Full Text
- View/download PDF
46. Plasminogen activator and plasma activator inhibitor-1 in young women with polycystic ovary syndrome.
- Author
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Lin S and Yongmei G
- Subjects
- Adult, Female, Humans, Plasminogen Activator Inhibitor 1 blood, Polycystic Ovary Syndrome blood, Tissue Plasminogen Activator blood, Urokinase-Type Plasminogen Activator blood
- Published
- 2008
- Full Text
- View/download PDF
47. Interventional radiology in China.
- Author
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Teng GJ, Xu K, Ni CF, and Li LS
- Subjects
- China, Humans, Organizational Objectives, Radiology, Interventional, Societies, Medical
- Abstract
With more than 3000 members, the Chinese Society of Interventional Radiology (CSIR) is one of the world's largest societies for interventional radiology (IR). Nevertheless, compared to other societies such as CIRSE and SIR, the CSIR is a relatively young society. In this article, the status of IR in China is described, which includes IR history, structure and patient management, personnel, fellowship, training, modalities, procedures, research, turf battle, and insightful visions for IR from Chinese interventional radiologists.
- Published
- 2008
- Full Text
- View/download PDF
48. Validation of a novel device to objectively measure adherence to long-term oxygen therapy.
- Author
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Lin SK, Bogen DK, and Kuna ST
- Subjects
- Aged, Humans, Long-Term Care, Male, Middle Aged, Monitoring, Physiologic instrumentation, Oxygen Inhalation Therapy statistics & numerical data, Polysomnography, Sleep physiology, Video Recording, Wakefulness physiology, Oxygen Inhalation Therapy instrumentation, Patient Compliance statistics & numerical data, Pulmonary Disease, Chronic Obstructive therapy
- Abstract
Rationale: We have developed a novel oxygen adherence monitor that objectively measures patient use of long-term oxygen therapy. The monitor attaches to the oxygen source and detects whether or not the patient is wearing the nasal cannula., Objective: The study's purpose was to validate the monitor's performance in patients with chronic obstructive pulmonary disease during wakefulness and sleep., Methods: Ten adult males with stable chronic obstructive pulmonary disease (mean +/- SD FEV1 37.7 +/- 14.9% of predicted) on long-term continuous oxygen therapy were tested in a sleep laboratory over a 12-13 hour period that included an overnight polysomnogram., Measurements: The monitor's measurements were obtained at 4-minute intervals and compared to actual oxygen use determined by review of time-synchronized video recordings., Main Results: The monitor made 1504/1888 (79.7%) correct detections (unprocessed data) across all participants: 957/1,118 (85.6%) correct detections during wakefulness and 546/770 (70.9%) during sleep. All errors were false negatives, ie, the monitor failed to detect that the participant was actually wearing the cannula. Application of a majority-vote filter to the raw data improved overall detection accuracy to 84.9%., Conclusions: The results demonstrate the monitor's ability to objectively measure whether or not men with chronic obstructive pulmonary disease are receiving their oxygen treatment. The ability to objectively measure oxygen delivery, rather than oxygen expended, may help improve the management of patients on long-term oxygen therapy.
- Published
- 2008
- Full Text
- View/download PDF
49. Resveratrol induces apoptosis in chemoresistant cancer cells via modulation of AMPK signaling pathway.
- Author
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Hwang JT, Kwak DW, Lin SK, Kim HM, Kim YM, and Park OJ
- Subjects
- AMP-Activated Protein Kinases, Antineoplastic Combined Chemotherapy Protocols pharmacology, Etoposide pharmacology, HT29 Cells, Humans, Multienzyme Complexes metabolism, Protein Serine-Threonine Kinases metabolism, Resveratrol, Antineoplastic Agents, Phytogenic pharmacology, Apoptosis drug effects, Drug Resistance, Neoplasm drug effects, Multienzyme Complexes physiology, Protein Serine-Threonine Kinases physiology, Signal Transduction drug effects, Stilbenes pharmacology
- Abstract
Resveratrol has been reported to possess therapeutic effects for various cancers including colon cancers. In this article, the molecular basis of resveratrol with emphasis on its ability to control intracellular signaling cascades of adenosine monophosphate (AMP)-activated protein kinase (AMPK) responsible for inducing apoptosis in drug-resistant cancer cells was investigated. Recently, the evolutionarily conserved serine/threonine kinase, AMPK, emerges as a possible target molecule of cancer control. We have investigated the effects of resveratrol on apoptosis in relation to AMPK in HT-29 cells shown chemoresistant to a cancer chemotherapeutic drug, etoposide. Resveratrol exhibited a variety of molecular events in etoposide-based combination therapy in HT-29 colon cancer cells including the AMPK activation, inhibition of cell growth, induction of apoptosis, and reactive oxygen species (ROS) generation. The involvement of AMPK signaling cascade in resveratrol-based cancer therapy was clearly shown by comparing the conditions of AMPK activated states and inactivated states. We have identified ROS as an upstream regulator of AMPK. Further investigation warrants to elucidate the mechanism by which resveratrol generates ROS and AMPK activation.
- Published
- 2007
- Full Text
- View/download PDF
50. A novel device for measuring long-term oxygen therapy adherence: a preliminary validation.
- Author
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Lin SK, Kuna ST, and Bogen DK
- Subjects
- Aged, Female, Humans, Long-Term Care, Male, Middle Aged, Pulmonary Disease, Chronic Obstructive therapy, United States, Oxygen Inhalation Therapy instrumentation, Patient Compliance
- Abstract
Introduction: Current methods for measuring patient adherence to long-term oxygen therapy fail to measure the actual amount of time the patient is inhaling oxygen and the pattern of oxygen use within the day. We have developed a novel oxygen-adherence monitor to address these limitations, and this report introduces the monitor and provides preliminary data validating its use., Methods: This battery-powered monitor attaches to the oxygen source and detects respiratory-related pressure fluctuations transmitted through the nasal cannula. The monitor takes a measurement over a 25-second period, at 4-min intervals. It detects and stores data on 4 different states that describe the patient's actual use of the oxygen source and nasal cannula: source-off/cannula-off, source-off/cannula-on, source-on/cannula-off, and source-on/cannula-on. We studied the monitor's performance with 10 patients with chronic obstructive pulmonary disease, during a directly-observed sequence of using and not using supplemental oxygen via nasal cannula, while sitting and walking., Results: The monitor correctly detected 122 out of 129 measurements among all participants, yielding a 95\% detection accuracy., Conclusion: A monitor that objectively measures oxygen inhalation, rather than oxygen expenditure, may help improve the management of patients on long-term oxygen therapy.
- Published
- 2006
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