36 results on '"Yu, Wen-Jing"'
Search Results
2. Congruent or conflicting? The interaction between emoji and textual sentence is not that simple!
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Dai YF, Gao XY, Leng WW, Huang C, Yu WJ, and Jiang CH
- Abstract
As a Japanese graphic symbol widely used in the world, Emoji plays an important role in computer mediated communication. Despite its prevalent use, the interaction dynamics between emoji and textual sentences remain inadequately explored. Based on the emotional function of emoji, this study uses the indirect priming method to explore the emotional impact of emoji on subsequent text in computer mediated communication through two progressive behavioral experiments. The results show that: (1) Emoji positioned at the onset of a sentence induce an emotional priming effect; (2) The processing speed is slowest when emoji and text are emotionally conflicting, while in non-conflicting condition, the type of emoji moderates the processing of combined sentences; (3) The emotional influence of emoji plays an auxiliary role, and the valence of textual sentence plays a decisive role in emotional perception., Competing Interests: The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (© 2024 The Authors. Published by Elsevier Ltd.)
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- 2024
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3. Successful management of a high-risk acute myeloid leukemia patient with severe coronary heart disease by venetoclax plus azacytidine and coronary artery bypass grafting.
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Yu WJ, Wu Y, Liu J, Chen Y, Hou RQ, Huang XJ, and Jiang H
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Competing Interests: Conflict of Interest Xiao-Jun Huang is the Executive Editor-in-Chief of the journal currently. The article was subject to the journal’s standard procedures, with peer review handled independently of the editor and his research groups.
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- 2024
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4. Endoplasmic reticulum stress mediates environmental particle-induced inflammatory response in bronchial epithelium.
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Pu L, Yi F, Yu WJ, Li YJ, Tu YH, Xu AH, and Wang Y
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- Humans, Endoribonucleases genetics, Endoribonucleases metabolism, Endoribonucleases pharmacology, Endoplasmic Reticulum Chaperone BiP, Inflammation, Particulate Matter toxicity, Epithelium metabolism, Endoplasmic Reticulum Stress, RNA, Small Interfering genetics, RNA, Small Interfering pharmacology, NF-kappa B metabolism, Protein Serine-Threonine Kinases genetics, Protein Serine-Threonine Kinases metabolism, Protein Serine-Threonine Kinases pharmacology
- Abstract
While the detailed mechanisms for how particulate matter (PM) causes adverse health effects in the lungs remain largely unknown, endoplasmic reticulum (ER) stress has been implicated in PM-induced lung injury. The present study was undertaken to examine how/if ER stress might regulate PM-induced inflammation, and to begin to define potential underlying molecular mechanisms. Here, ER stress hallmarks were examined in human bronchial epithelial (HBE) cells exposed to PM. To confirm roles of certain pathways, siRNA targeting ER stress genes and an ER stress inhibitor were employed. Expression of select inflammatory cytokines and related signaling pathway components by the cells were assessed as well. The results showed that PM exposure induced elevations in two ER stress hallmarks, i.e. GRP78 and IRE1α, in time-and/or dose-related manners in the HBE cells. Inhibition of ER stress by siRNA for GRP78 or IRE1α significantly alleviated the PM-induced effects. Further, ER stress appeared to regulate PM-induced inflammation - likely through downstream autophagy and NF-κB pathways - as implied by studies showing that inhibition of ER stress by siRNA of GRP78 or IRE1α caused significant amelioration of PM-induced autophagy and subsequent activation of NF-κB pathways. Moreover, the ER stress inhibitor 4-PBA were used to confirm the protective effects against PM-induced outcomes. Together, the results suggest ER stress plays a deleterious role in PM-induced airway inflammation, possibly through activation of autophagy and NF-κB signaling. Accordingly, protocols/treatments that could lead to inhibited ER stress could potentially be effective for treatment of PM-related airway disorders.
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- 2023
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5. Life-space mobility among community-dwelling older persons: A scoping review.
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Wang GM, Teng MY, Yu WJ, Ren H, and Cui XS
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- Humans, Aged, Aged, 80 and over, Independent Living, Mobility Limitation
- Abstract
To describe and analyze the current research status of life-space mobility of the older persons in community. The literature in PubMed, Web of Science, Cochrane Library, Embase, EBSCOhost, Scopus, OpenGrey, SinoMed, CNKI, WanFang, and VIP databases was computer searched, and the time frame was build to May 23, 2023. A total of 42 literatures were included, including 35 in English and 7 in Chinese, 30 of which were cross-sectional studies. Theoretical models related to spatial mobility included the "concentric circles" model and the "cone" model. 33 literatures reported the prevalence or level of spatial mobility limitations, and 9 assessment instruments were used, The influencing factors can be divided into four categories. 9 literatures reported on the adverse effects, and 9 literatures reported on the prevention and intervention. The limitation of life-space mobility is a common and under-recognized phenomenon among the older persons in the community,with serious adverse effects, complex and diverse influencing factors., Competing Interests: Declaration of Competing Interest The authors declare that they have no competing financial interests., (Copyright © 2023 Elsevier Inc. All rights reserved.)
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- 2023
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6. Base-free regio- and stereoselective photochemical synthesis of enol ethers from 1,3-dicarbonyl compounds.
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Zhu K, Yu WJ, Zhou X, Xu C, Zhao G, Chai Y, Li SJ, Xu Y, and Li P
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A visible light-induced kinetic controlled regioselective O -alkylation of various 1,3-dicarbonyl compounds with diazoacetates and cyclic ethers has been developed. The protocol provides a green and practical approach to highly stereoselective enol ethers under mild and base-free conditions in good to excellent yields.
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- 2023
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7. Periodically reversing electrocoagulation technique for efficient removal of short-chain perfluoroalkyl substances from contaminated groundwater around a fluorochemical facility.
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Liu Y, Lu MY, Bao J, Shao LX, Yu WJ, Hu XM, and Zhao X
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- Hydrogen Peroxide analysis, Electrocoagulation, Water Pollutants, Chemical analysis, Groundwater chemistry, Fluorocarbons analysis
- Abstract
Widespread distributions of short-chain perfluoroalkyl substances (PFASs) has been recognized as a crucial environmental issue. However, multiple treatment techniques were ineffective due to their high polarity and mobility, contributing to a never-ending existence in the aquatic environment ubiquitously. The present study revealed potential technique of periodically reversing electrocoagulation (PREC) to perform efficient removal of short-chain PFASs including experimental factors (in the conditions of 9 V for voltage, 600 r/min of stirring speed, 10 s of reversing period, and 2 g/L of NaCl electrolyte), orthogonal experiments, actual application, and removal mechanism. Accordingly, based upon the orthogonal experiments, the removal efficiencies of perfluorobutane sulfonate (PFBS) in simulated solution could achieve 81.0% with the optimal parameters of Fe-Fe electrode materials, addition of 665 μL H
2 O2 per 10 min, and pH at 3.0. The PREC was further applied for treating the actual groundwater around a fluorochemical facility, consequently the removal efficiencies for typical short-chain perfluorobutanoic acid (PFBA), perfluoropentanoic acid (PFPeA), perfluorohexanoic acid (PFHxA), PFBS, and perfluoropentane sulfonate (PFPeS) were 62.5%, 89.0%, 96.4%, 90.0%, and 97.5%, respectively. The other long-chain PFASs contaminants had superior removal with the removal efficiencies up to 97%-100%. In addition, a comprehensive removal mechanism related to electric attraction adsorption for short-chain PFASs could be verified through the morphological analysis of ultimate flocs composition. The oxidation degradation was further revealed as the other removal mechanism by suspect and nontarget screening of intermediates formed in simulated solution, as well as density functional theory (DFT) calculation theory. Moreover, the degradation pathways about one CF2 O molecule or CO2 eliminated with one C atom removed in PFBS by ·OH generated from the PREC oxidation process were further proposed. As a result, the PREC would be a promising technique for the efficient removal of short-chain PFASs from severely contaminated water bodies., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2023 Elsevier Ltd. All rights reserved.)- Published
- 2023
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8. Comparison of outcomes for patients with acute myeloid leukemia undergoing haploidentical stem cell transplantation in first and second complete remission.
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Yu WJ, Sun YQ, Xu LP, Zhang XH, Liu KY, Huang XJ, and Wang Y
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- Humans, Disease-Free Survival, Recurrence, Remission Induction, Retrospective Studies, Graft vs Host Disease etiology, Graft vs Host Disease prevention & control, Hematopoietic Stem Cell Transplantation adverse effects, Leukemia, Myeloid, Acute complications
- Abstract
There was no consensus on whether prognostic advantages existed when transplant conducted at first complete remission (CR1) stage than at second complete remission (CR2) stage for patients with AML who received haploidentical hematological stem cell transplantation (haplo-HSCT). In 768 consecutive AML patients who received haplo-HSCT from January 2014 to December 2017, a 1:2 ratio matched-pair analysis was performed, 69 patients who in CR2 group and 138 CR1 patients were enrolled. Hematopoietic recovery, graft versus host disease (GVHD), relapse, transplant related mortality (TRM), disease-free survival (DFS) and overall survival (OS) were compared in two groups, and further evaluated in low-, intermediate-, and high-risk subgroups. The cumulative incidences of 30-day myeloid recovery and 90-day platelet recovery were comparable in CR1 and CR2 groups. The cumulative incidences of grade II-IV and grade III-IV aGVHD were not significantly different. The cumulative incidences of relapse at 3-year and 5-year in these two groups were 12.4% versus 11.6% (P = 0.880) and 12.4% versus 17.5% (P = 0.322). The cumulative incidences of TRM at 3-year and 5-year were both 10.9% versus 23.2% (P = 0.019). The probability of DFS at 3-year and 5-year were 76.7% versus 65.2% (P = 0.029) and 76.7% versus 59.3% (P = 0.009). The probability of OS at 3-year and 5-year were 81.8% versus 68.1% (P = 0.026) and 76.7% versus 59.3% (P = 0.026). In the intermediate-risk group, TRM was lower in CR1 group, DFS and OS of CR1 group were superior to CR2 group. In conclusion, haplo-HSCT at CR1 stage was of better prognosis for intermediate-risk AML patients than at CR2 stage., (© 2023. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2023
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9. Enhanced Efficiency of Exciplex Emission from a 9-Phenylfluorene Derivative.
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Cao HT, Hou PF, Yu WJ, Gao Y, Li B, Feng QY, Zhang H, Wang SS, Su ZM, and Xie LH
- Abstract
The exciplex-thermally activated delayed fluorescence (exciplex-TADF) system is an excellent candidate for the fabrication of high-efficiency organic light-emitting diodes (OLEDs) because of its more easily achieved small singlet-triplet energy splitting (Δ E
ST ) and doping control. However, exciplex-TADF is still faced with the problems of low external quantum efficiency (ηext ) and unclear effect of structure modification in electron acceptors. Herein, we provide a steric hindrance increase strategy to obtain high-efficiency exciplex emissions. Through introducing a 9-phenylfluorene group into N -ethylcarbazole of the dicyano-substituted 9-phenylfluorene, an electron acceptor material with increased steric hindrance is obtained, which helps the exciplex harvest a larger driving force and higher emission efficiencies. Encouragingly, the obtained OLED displays a maximum ηext of 25.8%, which is one of the best efficiency values among reported exciplex-OLEDs, simultaneously possessing excellent current efficiency of 83.6 cd A-1 and power efficiency of 93.7 lm W-1 . It is expected that this work will offer a new avenue for designing electron acceptors for highly efficient exciplex emissions.- Published
- 2023
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10. [Effect on Danggui Shaoyao Powder on mitophagy in rat model of Alzheimer's disease based on PINK1-Parkin pathway].
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Yang M, Yu WJ, He CX, Jin YJ, Li Z, Li P, Deng SS, Yi YQ, Cheng SW, and Song ZY
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- Rats, Animals, Powders, Protein Kinases genetics, Protein Kinases metabolism, Ubiquitin-Protein Ligases genetics, Ubiquitin-Protein Ligases metabolism, Mitophagy, Alzheimer Disease drug therapy, Alzheimer Disease genetics
- Abstract
This study investigated the mechanism of Danggui Shaoyao Powder(DSP) against mitophagy in rat model of Alzheimer's disease(AD) induced by streptozotocin(STZ) based on PTEN induced putative kinase 1(PINK1)-Parkin signaling pathway. The AD rat model was established by injecting STZ into the lateral ventricle, and the rats were divided into normal group, model group, DSP low-dose group(12 g·kg~(-1)·d~(-1)), DSP medium-dose group(24 g·kg~(-1)·d~(-1)), and DSP high-dose group(36 g·kg~(-1)·d~(-1)). Morris water maze test was used to detect the learning and memory function of the rats, and transmission electron microscopy and immunofluorescence were employed to detect mitophagy. The protein expression levels of PINK1, Parkin, LC3BⅠ/LC3BⅡ, and p62 were assayed by Western blot. Compared with the normal group, the model group showed a significant decrease in the learning and memory function(P<0.01), reduced protein expression of PINK1 and Parkin(P<0.05), increased protein expression of LC3BⅠ/LC3BⅡ and p62(P<0.05), and decreased occurrence of mitophagy(P<0.01). Compared with the model group, the DSP medium-and high-dose groups notably improved the learning and memory ability of AD rats, which mainly manifested as shortened escape latency, leng-thened time in target quadrants and elevated number of crossing the platform(P<0.05 or P<0.01), remarkably activated mitophagy(P<0.05), up-regulated the protein expression of PINK1 and Parkin, and down-regulated the protein expression of LC3BⅠ/LC3BⅡ and p62(P<0.05 or P<0.01). These results demonstrated that DSP might promote mitophagy mediated by PINK1-Parkin pathway to remove damaged mitochondria and improve mitochondrial function, thereby exerting a neuroprotective effect.
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- 2023
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11. Simultaneous removal of multiple PFAS from contaminated groundwater around a fluorochemical facility by the periodically reversing electrocoagulation technique.
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Liu Y, Shao LX, Yu WJ, Bao J, Li TY, Hu XM, and Zhao X
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- Electrocoagulation, Sodium Chloride, Water, Alkanesulfonic Acids, Fluorocarbons analysis, Groundwater chemistry, Water Pollutants, Chemical analysis
- Abstract
Increasing attentions have been paid on widespread contaminations of perfluoroalkyl substances (PFAS). Particularly, simultaneous occurrence of multiple PFAS in the aquatic environments globally has been recognized as a crucial emerging issue. The present study aimed to perform simultaneous removal of multiple PFAS contaminations from groundwater around a fluorochemical facility based upon the technique of periodically reversing electrocoagulation (PREC). Accordingly, the experiments were implemented on the best conditions, actual application, and removal mechanism in the process of PREC with Al-Zn electrodes. Consequently, 1 mg/L synthetic solution of ten PFAS could be eliminated ideally during the initial 10 min, under the optimal conditions involving voltage at 12 V, pH at 7.0, and electrolyte with NaCl. The maximum removal rates of perfluorobutanoic acid (PFBA), perfluorobutane sulfonate (PFBS), perfluorooctanoic acid (PFOA), and perfluorooctane sulfonate (PFOS) were 90.9%, 91.0%, 99.7%, and 100%, respectively. The PREC performed a significant improvement for the wide scope of PFAS removal with the levels ranging from 10 μg/L to 100 mg/L. In addition, the optimized PREC technique was further applied to remove various PFAS contaminations from the natural groundwater samples underneath the fluorochemical facility, subsequently generating the removal efficiencies in the range between 31.3% and 99.9%, showing the observable advantages compared with other removal techniques for the actual application. Finally, the mechanism of PFAS removal was mainly related to enmeshment and synergistic bridging adsorption, together with oxidation degradation that determined by potential formation of short-chain PFAS in the PREC process. As a result, the PREC technique would be a promising technique for the efficient removal of multiple PFAS contaminations simultaneously from natural water bodies., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2022 The Authors. Published by Elsevier Ltd.. All rights reserved.)
- Published
- 2022
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12. GDH promotes isoprenaline-induced cardiac hypertrophy by activating mTOR signaling via elevation of α-ketoglutarate level.
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Lin ZR, Li ZZ, Cao YJ, Yu WJ, Ye JT, and Liu PQ
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- Animals, Cardiomegaly metabolism, Glucose metabolism, Glutamates metabolism, Isoproterenol pharmacology, Lipids, Myocytes, Cardiac metabolism, Rats, Ribosomal Protein S6 Kinases metabolism, Sirolimus pharmacology, Sugar Alcohol Dehydrogenases, TOR Serine-Threonine Kinases metabolism, Glutamate Dehydrogenase metabolism, Ketoglutaric Acids metabolism
- Abstract
Numerous studies reveal that metabolism dysfunction contributes to the development of pathological cardiac hypertrophy. While the abnormal lipid and glucose utilization in cardiomyocytes responding to hypertrophic stimuli have been extensively studied, the alteration and implication of glutaminolysis are rarely discussed. In the present work, we provide the first evidence that glutamate dehydrogenase (GDH), an enzyme that catalyzes conversion of glutamate into ɑ-ketoglutarate (AKG), participates in isoprenaline (ISO)-induced cardiac hypertrophy through activating mammalian target of rapamycin (mTOR) signaling. The expression and activity of GDH were enhanced in cultured cardiomyocytes and rat hearts following ISO treatment. Overexpression of GDH, but not its enzymatically inactive mutant, provoked cardiac hypertrophy. In contrast, GDH knockdown could relieve ISO-triggered hypertrophic responses. The intracellular AKG level was elevated by ISO or GDH overexpression, which led to increased phosphorylation of mTOR and downstream effector ribosomal protein S6 kinase (S6K). Exogenous supplement of AKG also resulted in mTOR activation and cardiomyocyte hypertrophy. However, incubation with rapamycin, an mTOR inhibitor, attenuated hypertrophic responses in cardiomyocytes. Furthermore, GDH silencing protected rats from ISO-induced cardiac hypertrophy. These findings give a further insight into the role of GDH in cardiac hypertrophy and suggest it as a potential target for hypertrophy-related cardiomyopathy., (© 2022. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2022
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13. [Baicalin inhibits LPS/IFN-γ-induced inflammation via TREM2/TLR4/NF-κB pathway in BV2 cells].
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He CX, Yu WJ, Yang M, Li Z, Xia XF, Li P, Cheng SW, and Song ZY
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- Animals, Flavonoids, Inflammation drug therapy, Inflammation genetics, Interferon-gamma, Mice, Toll-Like Receptor 4 genetics, Toll-Like Receptor 4 metabolism, Lipopolysaccharides adverse effects, NF-kappa B genetics, NF-kappa B metabolism
- Abstract
This study investigated the mechanism of baicalin on lipopolysaccharide(LPS)/interferon γ(IFN-γ)-induced inflammatory microglia based on the triggering receptor expressed on myeloid cells 2(TREM2)/Toll-like receptor 4(TLR4)/nuclear factor kappaB(NF-κB) pathway. Specifically, LPS and IFN-γ were used to induce inflammation in mouse microglia BV2 cells. Then the normal group, model group, low-dose(5 μmol·L~(-1)) baicalin group, medium-dose(10 μmol·L~(-1)) baicalin group, high-dose(20 μmol·L~(-1)) baicalin group, and minocycline(10 μmol·L~(-1)) group were designed. Cell viability was detected by CCK-8 assay and cell morphology was observed under bright field. The expression of interleukin-1β(IL-1β), interleukin-4(IL-4), inducible nitric oxide synthase(iNOS), interleukin-6(IL-6), interleukin-10(IL-10), and arginase-1(Arg-1) mRNA was detected by real-time quantitative PCR, the protein expression of tumor necrosis factor-α(TNF-α), IL-1β, TREM2, TLR4, inhibitor kappaB-alpha(IκBα), p-IκBα, NF-κB p65 and p-NF-κB p65 by Western blot, and transfer of NF-κB p65 from cytoplasm to nucleus by cellular immunofluorescence. Compared with the normal group, most of the BV2 cells in the model group tended to demonstrate the pro-inflammatory M1 amoeba morphology, and the model group showed significant increase in the mRNA levels of IL-1β, IL-6, and iNOS, decrease in the mRNA levels of IL-4, IL-10, and Arg-1(P<0.01), rise of the protein expression of TNF-α, IL-1β, TLR4, p-IκBα, and p-NF-κB p65(P<0.01), reduction in TREM2 protein expression, and increase in the expression of NF-κB p65 in nucleus. Compared with the model group, baicalin groups and minocycline group showed the recovery of BV2 cell morphology, significant decrease in the mRNA levels of IL-1β, IL-6 and iNOS, increase in the mRNA levels of IL-4, IL-10, and Arg-1(P<0.01), reduction in the protein expression of TNF-α, IL-1β, TLR4, p-IκBα, and p-NF-κB p65(P<0.05), rise of TREM2 protein expression, and decrease in the expression of NF-κB p65 in nucleus. In summary, these results suggest that baicalin can regulate the imbalance between TREM2 and TLR4 of microglia and inhibit the activation of downstream NF-κB, thus promoting the polarization of microglia from pro-inflammatory phenotype to anti-inflammatory phenotype.
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- 2022
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14. PKC-ζ Aggravates Doxorubicin-Induced Cardiotoxicity by Inhibiting Wnt/β-Catenin Signaling.
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Cao YJ, Li JY, Wang PX, Lin ZR, Yu WJ, Zhang JG, Lu J, and Liu PQ
- Abstract
Doxorubicin (Dox) is a chemotherapeutic drug used to treat a wide range of cancers, but its clinical application is limited due to its cardiotoxicity. Protein kinase C-ζ (PKC-ζ) is a serine/threonine kinase belonging to atypical protein kinase C (PKC) subfamily, and is activated by its phosphorylation. We and others have reported that PKC-ζ induced cardiac hypertrophy by activating the inflammatory signaling pathway. This study focused on whether PKC-ζ played an important role in Dox-induced cardiotoxicity. We found that PKC-ζ phosphorylation was increased by Dox treatment in vivo and in vitro . PKC-ζ overexpression exacerbated Dox-induced cardiotoxicity. Conversely, knockdown of PKC-ζ by siRNA relieved Dox-induced cardiotoxicity. Similar results were observed when PKC-ζ enzyme activity was inhibited by its pseudosubstrate inhibitor, Myristoylated. PKC-ζ interacted with β-catenin and inhibited Wnt/β-catenin signaling pathway. Activation of Wnt/β-catenin signaling by LiCl protected against Dox-induced cardiotoxicity. The Wnt/β-catenin inhibitor XAV-939 aggravated Dox-caused decline of β-catenin and cardiomyocyte apoptosis and mitochondrial damage. Moreover, activation of Wnt/β-catenin suppressed aggravation of Dox-induced cardiotoxicity due to PKC-ζ overexpression. Taken together, our study revealed that inhibition of PKC-ζ activity was a potential cardioprotective approach to preventing Dox-induced cardiac injury., 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 Cao, Li, Wang, Lin, Yu, Zhang, Lu and Liu.)
- Published
- 2022
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15. MicroRNA-214 contributes to Ang II-induced cardiac hypertrophy by targeting SIRT3 to provoke mitochondrial malfunction.
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Ding YQ, Zhang YH, Lu J, Li B, Yu WJ, Yue ZB, Hu YH, Wang PX, Li JY, Cai SD, Ye JT, and Liu PQ
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- Angiotensin II pharmacology, Animals, Cardiomegaly chemically induced, Cardiomegaly genetics, Cardiomegaly pathology, Cell Line, Humans, Male, Mice, Mice, Inbred C57BL, Mice, Knockout, MicroRNAs genetics, MicroRNAs physiology, Myocardium metabolism, Myocardium pathology, Myocytes, Cardiac drug effects, Myocytes, Cardiac metabolism, Rats, Sprague-Dawley, Sirtuin 3 genetics, Rats, Cardiomegaly metabolism, MicroRNAs metabolism, Mitochondria, Heart metabolism, Sirtuin 3 metabolism
- Abstract
Reduction of expression and activity of sirtuin 3 (SIRT3) contributes to the pathogenesis of cardiomyopathy via inducing mitochondrial injury and energy metabolism disorder. However, development of effective ways and agents to modulate SIRT3 remains a big challenge. In this study we explored the upstream suppressor of SIRT3 in angiotensin II (Ang II)-induced cardiac hypertrophy in mice. We first found that SIRT3 deficiency exacerbated Ang II-induced cardiac hypertrophy, and resulted in the development of spontaneous heart failure. Since miRNAs play crucial roles in the pathogenesis of cardiac hypertrophy, we performed miRNA sequencing on myocardium tissues from Ang II-infused Sirt3
-/- and wild type mice, and identified microRNA-214 (miR-214) was significantly up-regulated in Ang II-infused mice. Similar results were also obtained in Ang II-treated neonatal mouse cardiomyocytes (NMCMs). Using dual-luciferase reporter assay we demonstrated that SIRT3 was a direct target of miR-214. Overexpression of miR-214 in vitro and in vivo decreased the expression of SIRT3, which resulted in extensive mitochondrial damages, thereby facilitating the onset of hypertrophy. In contrast, knockdown of miR-214 counteracted Ang II-induced detrimental effects via restoring SIRT3, and ameliorated mitochondrial morphology and respiratory activity. Collectively, these results demonstrate that miR-214 participates in Ang II-induced cardiac hypertrophy by directly suppressing SIRT3, and subsequently leading to mitochondrial malfunction, suggesting the potential of miR-214 as a promising intervention target for antihypertrophic therapy., (© 2020. CPS and SIMM.)- Published
- 2021
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16. Tracing consumption patterns of stimulants, opioids, and ketamine in China by wastewater-based epidemiology.
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Liu SY, Yu WJ, Wang YR, Shao XT, and Wang DG
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- Analgesics, Opioid, China epidemiology, Cities, Gas Chromatography-Mass Spectrometry, Substance Abuse Detection, Wastewater analysis, Wastewater-Based Epidemiological Monitoring, Ketamine, Water Pollutants, Chemical analysis
- Abstract
Illicit drug use has long been a key issue of international concern, and the true situation is unknown to the relevant authorities. To develop a profile of comprehensive consumption patterns of illicit drugs in China, data from 34 wastewater treatment plants in 25 cities were collected to analyze four classes of drugs, including amphetamine-type stimulants, opioids, ketamine, and cocaine. They were identified and quantified in samples using methods based on gas chromatography coupled to mass spectrometry. According to the wastewater-based epidemiology (WBE) approach, an analysis of the consumption pattern was performed regarding per inhabitant consumption based on the revised metabolic rate. The consumption quantity of illicit drug and precursor was divided into four categories based on statistical difference analyses: methamphetamine and ephedrine (precursor) were the predominant drugs in the first category, followed by ketamine and heroin in the second category, methcathinone and 3,4-methylenedioxymethamphetamine (MDMA) in the third category, and cocaine and methadone in the fourth category. There were distinctive spatial patterns: heroin and cocaine consumption was higher in Southern China than in Northern China, heroin consumption was higher in Western China than in Eastern China, and the consumption of each drug differed across seven regions of China, especially with ephedrine and methcathinone consumption higher in North China; heroin consumption higher in Southwest, Central, and Northwest China; and ketamine and MDMA consumption higher in East, South, and Central China. Compared with findings in previous studies, there were temporal patterns, in which ketamine consumption presented a downward trend but heroin remained stable. Based on correlation analyses, there were the polydrug abuse patterns between heroin and cocaine, methcathinone and ketamine, and cocaine and MDMA. In general, this study based on WBE provides a comprehensive evaluation of drug consumption in China.
- Published
- 2021
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17. New psychoactive substances in Taiwan: The current situation and initiative for rational scheduling.
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Yu WJ, Cottler L, and Li JH
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- Humans, Psychotropic Drugs adverse effects, Taiwan epidemiology, Illicit Drugs, Ketamine, Substance-Related Disorders
- Abstract
Use of New Psychoactive Substances (NPS) has posed a global threat to public health and the security of the population. As of December 2019, the NPS items identified in total have outnumbered by three to one the controlled substances listed in the 1961 and 1971 UN Drug Conventions. However, most of these NPS have not been scheduled by the United Nations because of their easy modification on the chemical structures to shun control. Currently, the scheduling and control of NPS is mostly at the national level and a rational scheduling of NPS by objective assessments is essential but often lacking. To rationally schedule NPS, the NPS misuse situation was firstly estimated with the Taiwanese Substance Misuse Monitoring and Reporting Systems (SMMRS) from 2006 through 2019. Then, the assessment of drug-related harms with an expert Delphi procedure for drug scheduling was performed. The epidemiological analysis revealed that among 37 substances commonly misused in Taiwan, heroin posed the highest risk, followed by (meth)amphetamine and ketamine. Of note, misuse of NPS, such as ketamine, synthetic cannabinoids (JWHs, AM-2201, XJR-11), synthetic cathinones (MDPV, bk-MDMA, 4 -MMCetc.), phenethylamines (PMMA, FMA, 2C-B, 2C-E etc.), piperazines (BZP, TFMPP) and tryptamines (5-MeO-DIPT) has been on the rise. Though perceived drug-related harms differed among experts with different professional backgrounds, the differences were not significant. Four dimensions of drug-related harms- addiction, misuse, social harm and physical harm- integrated from Nutt's model and scheduling criteria of Taiwan's Statute for the Prevention and Control of Illicit Drugs (SPCID), were further divided into 11 indicators and applied to assess harms of the 37 substances. Among the 11 indicators that corresponded to the four dimensions, 7 had significant prediction capabilities. Additionally, prevalence of misuse nationally was an important predictor of harm assessment. These indicators of harm assessment of drug misuse can help develop a proper scheduling system for the management of controlled/illicit drugs. In conclusions, drug scheduling is the first step toward proper management of drug use problems. Facing the threats of NPS, it is imperative to implement a rational and effective scheduling system for appropriate management. This study provides a mechanism to scrutinize, and improve, the current evaluation process for NPS scheduling.
- Published
- 2021
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18. [Study on patterns and characteristics of in vivo tissue distribution of anti-inflammatory extract of Tetrastigma hemsleyanum aerial part in healthy and inflammatory pathological model rats].
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Liao SB, Chen D, Yu WJ, and Xiong CD
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- Animals, Chromatography, Liquid, Plant Components, Aerial, Plant Extracts, Rats, Tissue Distribution, Anti-Inflammatory Agents, Tandem Mass Spectrometry
- Abstract
The concentrations of seven anti-inflammatory components in blood and tissues were determined by UPLC-MS/MS after oral administration of Tetrastigma hemsleyanum aerial part(THAA) in healthy and inflammatory pathological model rats. The determination was carried out by using positive and negative ion switching technique, and multiple reaction monitoring(MRM) mode. The tissue distributions of the seven components in different physiological states were compared, and the patterns and characteristics of the effective components of THAA were studied. The results revealed that the seven effective components have large drug-time-curve areas(AUC) in heart, brain, small intestine, and stomach in both normal rats and inflammatory pathological model rats. This suggests that the anti-inflammatory effective component groups in THAA extract can all penetrate the blood-brain barrier, and have a large distribution area in gastrointestinal tract. It is inferred that gastrointestinal reabsorption may be one of the causes of the bimodal distribution of the drug-time curve of the drug blood distribution graph. As compared to normal rats, the effective component groups in THAA extract have higher drug-time curve area(AUC) in heart, brain, small intestine, stomach, liver, spleen, lung, kidney, and muscle of inflammatory pathological model rats. Among them, the effective component groups have the largest distribution area in heart, brain, small intestine, and stomach. This suggests that the binding force of organ tissues and drugs in the body may change under pathological conditions. It is speculated that the heart, brain, small intestine, and stomach may be the target tissues of THAA to produce anti-inflammatory effect. The retention times of THAA effective component groups in various organ tissues of rats in different physiological states are all relatively short, and do not have much difference. This suggests that no effective component accumulates in body, and that the pathological state of inflammation does not affect the onset times of the effective component groups. This experiment elucidates the patterns and characteristics of the in vivo target-effecting tissue distribution of THAA anti-inflammatory extract, and provides an experimental basis for clinical treatment.
- Published
- 2021
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19. Haploidentical hematopoietic stem cell transplantation for patients with myeloid sarcoma: a single center retrospective study.
- Author
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Yu WJ, Sun YQ, Han TT, Ye PP, Zhang XH, Xu LP, Liu KY, Yan CH, Huang XJ, and Wang Y
- Subjects
- Adolescent, Adult, Chemoprevention, Child, Female, Graft vs Host Disease epidemiology, Graft vs Host Disease etiology, Graft vs Host Disease mortality, Graft vs Host Disease prevention & control, Hematopoietic Stem Cell Transplantation adverse effects, Hematopoietic Stem Cell Transplantation statistics & numerical data, Humans, Male, Neoplasm Recurrence, Local epidemiology, Retrospective Studies, Sarcoma, Myeloid diagnosis, Sarcoma, Myeloid epidemiology, Sarcoma, Myeloid mortality, Siblings, Survival Analysis, Transplantation Conditioning methods, Treatment Outcome, Young Adult, Hematopoietic Stem Cell Transplantation methods, Sarcoma, Myeloid therapy, Transplantation, Haploidentical adverse effects, Transplantation, Haploidentical statistics & numerical data
- Abstract
Allogeneic hematopoietic stem cell transplantation (allo-HSCT) has been regarded as a potential strategy for myeloid sarcoma (MS). The previous reports focused mainly on matched sibling donor (MSD) or matched unrelated donor (MUD) transplantation. There are no reports on haploidentical HSCT (haplo-HSCT) in MS. We retrospectively reviewed 14 MS patients who underwent haplo-HSCT. All patients achieved complete donor engraftment. The median time for neutrophil engraftment and platelet engraftment were 10 (12-21) days and 18 (8-31) days. The 100-day cumulative incidence of grade II-IV acute graft-versus-host disease (GVHD) and 3-year cumulative incidence of chronic GVHD were 37.7% (95%CI, 23.2-52.1%) and 35.7% (95%CI, 22.2-49.2%). Cytomegalovirus (CMV) reactivation was documented in 86% patients, and only one patient developed CMV pneumonia. Treatment-related mortality occurred in one (7%) patient. The 1- and 3-year cumulative incidence of relapse was 21.4% (95%CI, 11.8-31.1%) and 35.7% (95%CI, 22.4-49.0%). The probability of overall survival at 1 and 3 years was 71.4% (95%CI, 51.3-99.5%) and 64.3% (95%CI, 43.5-95.0%), respectively. The probability of disease-free survival at 1 and 3 years was 71.4% (95%CI, 51.3-99.5%) and 57.1% (95%CI, 36.3-89.9%), respectively. In conclusion, haplo-HSCT is a feasible method for patients with MS who have no MSD or MUD.
- Published
- 2021
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20. Bioaccumulation of perfluoroalkyl substances in greenhouse vegetables with long-term groundwater irrigation near fluorochemical plants in Fuxin, China.
- Author
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Bao J, Li CL, Liu Y, Wang X, Yu WJ, Liu ZQ, Shao LX, and Jin YH
- Subjects
- Bioaccumulation, China, Environmental Monitoring, Minnesota, Tandem Mass Spectrometry, Vegetables, Alkanesulfonic Acids, Fluorocarbons analysis, Groundwater, Water Pollutants, Chemical analysis
- Abstract
The levels of perfluoroalkyl substances (PFASs) have been growing progressively in the groundwater beneath a fluorochemical industrial park (FIP) in Fuxin of China recently, however, little information is available about whether long-term irrigation with local groundwater could have a potential effect on the bioaccumulation of PFASs in greenhouse vegetables near the FIP. In the present study, groundwater, soil, and vegetable samples were collected from Fuxin with five sampling campaigns during a period of 40 days, and ten target analytes of PFASs in all the samples were analyzed via high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS). As the dominant PFAS contaminants, perfluorooctanoic acid (PFOA) and perfluorobutane sulfonate (PFBS) in groundwater samples were determined with the maximum levels of 2.47 and 32.4 μg L
-1 , respectively. Furthermore, perfluorobutanoic acid (PFBA), PFOA, and PFBS were the major PFASs in greenhouse samples of soil (up to 6.1, 6.8, and 46 ng g dry weight (dw)-1 ), tomato (up to 87, 1.7, and 13 ng g dw-1 ), and cucumber (up to 63, 2.6, and 15 ng g dw-1 ), which were significantly correlated with those in groundwater samples, indicating PFAS contaminations could be introduced into soil and vegetables in the greenhouse through long-term groundwater irrigation. In addition, all the levels of three main PFAS analytes in soil and vegetables presented an overall increasing trend over the period of vegetable growth. The bioaccumulation efficiencies for PFAS contaminants from soil to vegetables were negatively associated with the carbon chain length in PFASs. According to the reference dose (RfD) for PFBA, PFOA, and PFBS from the Minnesota Department of Health (MDH), daily intakes of those three analytes by rural residents in Fuxin were lower than the respective RfD via consumption of greenhouse tomatoes and cucumbers so far. However, long-term surveillance would be focused on greenhouse vegetables near the Fuxin FIP to prevent potential health risks of local residents from increasing PFAS contaminations., (Copyright © 2020 Elsevier Inc. All rights reserved.)- Published
- 2020
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21. Removal of perfluoroalkanesulfonic acids (PFSAs) from synthetic and natural groundwater by electrocoagulation.
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Bao J, Yu WJ, Liu Y, Wang X, Liu ZQ, and Duan YF
- Subjects
- Alkanesulfonic Acids chemistry, China, Electrocoagulation, Fluorocarbons chemistry, Groundwater, Water Pollutants, Chemical chemistry, Alkanesulfonic Acids analysis, Environmental Restoration and Remediation methods, Fluorocarbons analysis, Water Pollutants, Chemical analysis
- Abstract
Severe contaminations of perfluoroalkanesulfonic acids (PFSAs) existed in the natural groundwater beneath a fluorochemical industrial park (FIP) in Fuxin of China. In the present study, systematic researches were performed to determine the best conditions of efficient treatment for 1 mg L
-1 of PFSAs in the synthetic groundwater samples with the periodically reverse electrocoagulation (PREC) using the Al-Zn electrodes. Based upon the orthogonal experiments, the removal efficiencies of perfluorobutane sulfonate (PFBS), perfluorohexane sulfonate (PFHxS), and perfluorooctane sulfonate (PFOS) could reach 87.4%, 95.6%, and 100%, respectively, within the initial 10 min, under the optimal conditions of voltage at 12.0 V, pH at 7.0, and stirring speed at 400 rpm. In addition, the optimized PREC technique was further applied to remove the PFSA contaminations from the natural groundwater samples of the Fuxin FIP, subsequently generating the removal efficiencies of three target PFSA analytes in the range between 59.0% and 100% at 60 min. Moreover, the SEM-EDS analyses showed the hydroxide flocs formed during the process of PREC treatment had clear characteristics of floc aggregates, with the major constituents of O, Al, C, N, Zn, and F elements. As a result, long-chain PFHxS and PFOS tended to be eliminated completely from the natural groundwater by their absorptions on the Al-Zn hydroxide flocs, potentially because of their higher hydrophobicity compared with short-chain PFBS., (Copyright © 2020 Elsevier Ltd. All rights reserved.)- Published
- 2020
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22. Low-dose post-transplant cyclophosphamide and anti-thymocyte globulin as an effective strategy for GVHD prevention in haploidentical patients.
- Author
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Wang Y, Wu DP, Liu QF, Xu LP, Liu KY, Zhang XH, Yu WJ, Xu Y, Huang F, and Huang XJ
- Subjects
- Antilymphocyte Serum pharmacology, Cyclophosphamide pharmacology, Female, Humans, Male, Prospective Studies, Antilymphocyte Serum therapeutic use, Cyclophosphamide therapeutic use, Graft vs Host Disease drug therapy, Graft vs Host Disease prevention & control, Hematopoietic Stem Cell Transplantation methods, Transplantation Conditioning methods
- Abstract
Background: Low-dose post-transplant cyclophosphamide (PTCy) in conjunction with anti-thymocyte globulin (ATG) appears as a potentially effective graft-versus-host disease (GVHD) prevention strategy in haploidentical hematopoietic cell transplant (haplo-HCT). Our study aims to assess the efficacy of this regimen., Methods: We extended our prospective study in patients treated with low-dose PTCy (14.5 mg/kg on days 3 and 4) in ATG/granulocyte colony-stimulating factor (G-CSF)-based regimen and compared the results to the contemporary cohort of patients without low-dose PTCy (ATG cohort). Both study cohort and control are transplanted from maternal donor or collateral relatives., Results: We identified 239 consecutive patients (ATG-PTCy cohort = 114; ATG cohort = 125). All patients but one in ATG cohort achieved myeloid engraftment by day 30 post-HCT. We found that both the cumulative incidence of 100-day grade III-IV aGvHD and non-relapse-mortality (NRM) in the ATG-PTCy cohort was significantly reduced than that in the ATG group (5% vs 18%; P = 0.003; and 6% vs 15%; P= 0.045); the 2-year cumulative incidences of relapse and overall survival were comparable between the two cohorts (13% vs 14%; P = 0.62; and 83% vs 77%; P = 0.18, respectively). Furthermore, GVHD-free, relapse-free survival (GRFS) was significantly improved in the ATG-PTCy arm (63% vs 48%; P = 0.039). In multivariate analysis, the joint treatment resulted in lower grade II-IV acute GVHD (HR 0.58; P = 0.036), grade III-IV aGvHD (HR 0.28; P = 0.006), chronic GVHD (HR 0.60; P = 0.047), NRM (HR 0.26; P = 0.014), and higher GRFS (HR 0.59; P = 0.021) but slower myeloid and platelet recovery (HR 0.29 and 0.30; both P < 0.001)., Conclusions: These results suggested that ATG/PTCy (low-dose) can reduce both acute and chronic GVHD as compared with standard ATG-based prophylaxis using maternal donor or collateral relatives at particular high GVHD risk.
- Published
- 2019
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23. Ca 2+ signalling plays a role in celastrol-mediated suppression of synovial fibroblasts of rheumatoid arthritis patients and experimental arthritis in rats.
- Author
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Wong VKW, Qiu C, Xu SW, Law BYK, Zeng W, Wang H, Michelangeli F, Dias IRSR, Qu YQ, Chan TW, Han Y, Zhang N, Mok SWF, Chen X, Yu L, Pan H, Hamdoun S, Efferth T, Yu WJ, Zhang W, Li Z, Xie Y, Luo R, Jiang Q, and Liu L
- Subjects
- Animals, Arthritis, Experimental drug therapy, Arthritis, Rheumatoid drug therapy, Autophagy drug effects, Cells, Cultured, Fibroblasts metabolism, Gene Expression Regulation drug effects, Humans, Male, Mice, Knockout, Pentacyclic Triterpenes, Rats, Sprague-Dawley, Sarcoplasmic Reticulum Calcium-Transporting ATPases metabolism, Synovial Membrane cytology, Triterpenes therapeutic use, Arthritis, Experimental metabolism, Arthritis, Rheumatoid metabolism, Calcium Signaling drug effects, Fibroblasts drug effects, Triterpenes pharmacology
- Abstract
Background and Purpose: Celastrol exhibits anti-arthritic effects in rheumatoid arthritis (RA), but the role of celastrol-mediated Ca
2+ mobilization in treatment of RA remains undefined. Here, we describe a regulatory role for celastrol-induced Ca2+ signalling in synovial fibroblasts of RA patients and adjuvant-induced arthritis (AIA) in rats., Experimental Approach: We used computational docking, Ca2+ dynamics and functional assays to study the sarcoplasmic/endoplasmic reticulum Ca2+ ATPase pump (SERCA). In rheumatoid arthritis synovial fibroblasts (RASFs)/rheumatoid arthritis fibroblast-like synoviocytes (RAFLS), mechanisms of Ca2+ -mediated autophagy were analysed by histological, immunohistochemical and flow cytometric techniques. Anti-arthritic effects of celastrol, autophagy induction, and growth rate of synovial fibroblasts in AIA rats were monitored by microCT and immunofluorescence staining. mRNA from joint tissues of AIA rats was isolated for transcriptional analysis of inflammatory genes, using siRNA methods to study calmodulin, calpains, and calcineurin., Key Results: Celastrol inhibited SERCA to induce autophagy-dependent cytotoxicity in RASFs/RAFLS via Ca2+ /calmodulin-dependent kinase kinase-β-AMP-activated protein kinase-mTOR pathway and repressed arthritis symptoms in AIA rats. BAPTA/AM hampered the in vitro and in vivo effectiveness of celastrol. Inflammatory- and autoimmunity-associated genes down-regulated by celastrol in joint tissues of AIA rat were restored by BAPTA/AM. Knockdown of calmodulin, calpains, and calcineurin in RAFLS confirmed the role of Ca2+ in celastrol-regulated gene expression., Conclusion and Implications: Celastrol triggered Ca2+ signalling to induce autophagic cell death in RASFs/RAFLS and ameliorated arthritis in AIA rats mediated by calcium-dependent/-binding proteins facilitating the exploitation of anti-arthritic drugs based on manipulation of Ca2+ signalling., (© 2019 The Authors. British Journal of Pharmacology published by John Wiley & Sons Ltd on behalf of British Pharmacological Society.)- Published
- 2019
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24. Occurrence and Severity of Donor Lymphocyte Infusion-Associated Chronic Graft-versus-Host Disease Influence the Clinical Outcomes in Relapsed Acute Leukemia after Allogeneic Hematopoietic Stem Cell Transplantation.
- Author
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Yu WJ, Mo XD, Zhang XH, Xu LP, Wang Y, Yan CH, Chen H, Chen YH, Han W, Wang FR, Wang JZ, Liu KY, and Huang XJ
- Subjects
- Acute Disease therapy, Adolescent, Adult, Aged, Antineoplastic Agents therapeutic use, Chronic Disease, Female, Graft vs Leukemia Effect immunology, Hematopoietic Stem Cell Transplantation mortality, Humans, Leukemia complications, Leukemia mortality, Leukemia pathology, Male, Middle Aged, Recurrence, Remission Induction, Transplantation, Homologous, Treatment Outcome, Young Adult, Graft vs Host Disease etiology, Hematopoietic Stem Cell Transplantation methods, Leukemia therapy, Lymphocyte Transfusion adverse effects
- Abstract
The aim of this study was to investigate the occurrence and severity of chemotherapy plus donor lymphocyte infusion (Chemo-DLI)-associated chronic graft-versus-host disease (cGVHD) in a consecutive cohort of patients with acute leukemia who experienced relapse after allogeneic hematopoietic stem cell transplantation (n = 104). The 5-year cumulative incidence of complete remission after Chemo-DLI was 81.0% (95% CI, 73.3% to 88.7%) and 84.6% (95% CI, 74.5% to 94.7%) in the moderate and severe cGVHD groups, respectively, which was significantly higher than that of the mild cGVHD group at 40.9% (95% CI, 29.3% to 52.5%) and non-cGVHD group at 29.2% (95% CI 23.1% to 35.3%). The cumulative incidence of nonrelapse mortality was comparable between patients with and without cGVHD. The 5-year probabilities of progression-free survival after Chemo-DLI were 42.9% (95% CI, 26.2% to 70.2%) and 34.6% (95% CI, 15.3% to 78.2%) in the moderate and severe cGVHD groups, respectively, which were both significantly higher than those of the mild cGVHD group at 9.1% (95% CI, 2.4% to 34.1%) and non-cGVHD group at 8.3% (95% CI 3.3% to 21.3%). The 5-year probabilities of overall survival after Chemo-DLI were 56.7% (95% CI, 38.9% to 82.7%) and 43.1% (95% CI, 22.1% to 84.0%) in the moderate and severe cGVHD groups, respectively, which were both significantly higher than those of the mild cGVHD group at 9.1% (95% CI 1.8% to 47.1%) and non-cGVHD group at 14.9% (95% CI, 7.3% to 30.2%). Our observations highlight the close relationship between cGVHD and immune-mediated graft-versus-leukemia (GVL) effect in patients with relapse receiving Chemo-DLI; however, mild cGVHD may not be associated with a sufficiently strong GVL effect to induce remission and improve survival., (Copyright © 2018 American Society for Blood and Marrow Transplantation. Published by Elsevier Inc. All rights reserved.)
- Published
- 2019
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25. Perfluoroalkyl substances in groundwater and home-produced vegetables and eggs around a fluorochemical industrial park in China.
- Author
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Bao J, Yu WJ, Liu Y, Wang X, Jin YH, and Dong GH
- Subjects
- China, Industry, Eggs analysis, Environmental Monitoring methods, Fluorocarbons analysis, Groundwater chemistry, Vegetables chemistry, Water Pollutants, Chemical analysis
- Abstract
High-level contaminations of perfluoroalkyl substances (PFASs) were determined in both surface water and groundwater around a fluorochemical industrial park (FIP) in Fuxin, China, over the past few years. Yet little is known about whether groundwater PFAS contaminations in Fuxin could be introduced into home-produced vegetables and eggs in local residences via the application of groundwater for the irrigation or feeding purposes. In the present study, ten PFAS analytes were analyzed via high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) to investigate the extent of PFAS contaminations in the groundwater, soil, and home-produced vegetable and egg samples derived from Fuxin. As the predominant PFAS contaminants, perfluorobutane sulfonate (PFBS) and perfluorooctanoic acid (PFOA) were observed in groundwater beneath the Fuxin FIP with the maximum concentrations of 21.2 and 2.51 µg/L, respectively, which were 24-fold and 5-fold higher individually compared to those reported previously. Both of them were also higher than the updated health advisories for PFBS and PFOA in drinking water issued by the Minnesota Department of Health and the US Environmental Protection Agency. In addition, short-chain PFASs involving perfluorobutanoic acid (PFBA) and PFBS were found to be the major contaminants in both home-produced vegetables and eggs from the residential gardens around the FIP. Statistically significant relationships were determined between the levels of PFBA, PFOA, and PFBS in local groundwater and those observed in home-produced vegetables (p = 0.003, p = 0.025, and p < 0.001), suggesting potential entry of those PFAS contaminants into home-produced vegetables via irrigation with groundwater beneath the FIP., (Copyright © 2018 Elsevier Inc. All rights reserved.)
- Published
- 2019
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26. Comparison of illegal drug use pattern in Taiwan and Korea from 2006 to 2014.
- Author
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Feng LY, Yu WJ, Chang WT, Han E, Chung H, and Li JH
- Abstract
Background: Illegal drug use has long been a global concern. Taiwan and Korea are geographically adjacent and both countries have experienced the illegal use problems of methamphetamine, a predominant prototype of New Psychoactive Substances (NPS). NPS, a term coined by the United Nations Office on Drugs and Crime (UNODC) in recent years, have not been scrutinized for their safety and may become a new threat to public health and security worldwide. To conduct evidence-based drug policy, it is imperative to estimate the trend and pattern of illegal drug use. Therefore, this study aims to analyze and compare the current status of drug-related seizures, arrests and illegal drug use, with a focus on methamphetamine and NPS, between Taiwan and Korea., Methods: Data of illegal drug (including NPS)-related seizures and arrests were collected via anti-drug related agencies of both countries from 2006 through 2014.Since listing of NPS as controlled substances was a result of NPS abuse liability through official evaluation, the items of controlled NPS were used as an indicator of emerging use. These data obtained from Taiwan and Korea was then compared., Results: The results showed that while methamphetamine remained as a predominant drug in both Taiwan and Korea for decades, different illegal drug use patterns have been observed in these two countries. In Taiwan, the major illegal drugs were methamphetamine, heroin, and ketamine, whereas in Korea those were methamphetamine and cannabis. By comparison of per capita illicit drug seizures, the illegal drug use situation in Taiwan was at a higher stake than that in Korea. In terms of NPS use, ketamine has been a major drug in Taiwan, but it was seldom found in Korea. Besides ketamine, the major type of NPS was synthetic cathinones in Taiwan whereas it was synthetic cannabinoids and phenethylamines in Korea. The difference in the numbers of controlled NPS items between Taiwan (23) and Korea (93) may be due to the implementation of temporary control on NPS in Korea since 2011., Conclusion: While the problem of methamphetamine still lingers, NPS have emerged as a new issue in both countries. However, the NPS pattern was different between Taiwan and Korea. Although the controlled NPS items in Taiwan were far less than those in Korea, the quantity of total NPS seizures, especially with ketamine, was much larger in Taiwan than in Korea. Different NPS pattern may also imply they were from different sources. Factors other than geographical proximity, such as drug policy and availability and accessibility to drugs, should be taken into account for the current status of illegal drug use in Korea and Taiwan.
- Published
- 2016
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27. pH-Responsive Hyaluronic Acid-Based Mixed Micelles for the Hepatoma-Targeting Delivery of Doxorubicin.
- Author
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Wu JL, Tian GX, Yu WJ, Jia GT, Sun TY, and Gao ZQ
- Subjects
- Animals, Antibiotics, Antineoplastic administration & dosage, Antibiotics, Antineoplastic pharmacology, Carcinoma, Hepatocellular drug therapy, Carcinoma, Hepatocellular pathology, Cell Survival drug effects, Doxorubicin administration & dosage, Doxorubicin pharmacology, Female, Hep G2 Cells, Histidine chemistry, Humans, Hydrogen-Ion Concentration, Liver Neoplasms drug therapy, Liver Neoplasms pathology, Magnetic Resonance Spectroscopy, Mice, Mice, Inbred BALB C, Mice, Nude, Microscopy, Electron, Transmission, Particle Size, Transplantation, Heterologous, Antibiotics, Antineoplastic chemistry, Doxorubicin chemistry, Drug Carriers chemistry, Hyaluronic Acid chemistry, Micelles
- Abstract
The tumor targetability and stimulus responsivity of drug delivery systems are crucial in cancer diagnosis and treatment. In this study, hepatoma-targeting mixed micelles composed of a hyaluronic acid-glycyrrhetinic acid conjugate and a hyaluronic acid-l-histidine conjugate (HA-GA/HA-His) were prepared through ultrasonic dispersion. The formation and characterization of the mixed micelles were confirmed via ¹H-NMR, particle size, and ζ potential measurements. The in vitro cellular uptake of the micelles was evaluated using human liver carcinoma (HepG2) cells. The antitumor effect of doxorubicin (DOX)-loaded micelles was investigated in vitro and in vivo. Results indicated that the DOX-loaded HA-GA/HA-His micelles showed a pH-dependent controlled release and were remarkably absorbed by HepG2 cells. Compared with free DOX, the DOX-loaded HA-GA/HA-His micelles showed a higher cytotoxicity to HepG2 cells. Moreover, the micelles effectively inhibited tumor growth in H22 cell-bearing mice. These results suggest that the HA-GA/HA-His mixed micelles are a good candidate for drug delivery in the prevention and treatment of hepatocarcinoma.
- Published
- 2016
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28. Following "the Roots" of Kratom (Mitragyna speciosa): The Evolution of an Enhancer from a Traditional Use to Increase Work and Productivity in Southeast Asia to a Recreational Psychoactive Drug in Western Countries.
- Author
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Cinosi E, Martinotti G, Simonato P, Singh D, Demetrovics Z, Roman-Urrestarazu A, Bersani FS, Vicknasingam B, Piazzon G, Li JH, Yu WJ, Kapitány-Fövény M, Farkas J, Di Giannantonio M, and Corazza O
- Subjects
- Asia, Southeastern, Central Nervous System Stimulants, Cross-Cultural Comparison, Drug Users, Humans, United States, Illicit Drugs, Mitragyna, Plant Extracts, Psychotropic Drugs
- Abstract
The use of substances to enhance human abilities is a constant and cross-cultural feature in the evolution of humanity. Although much has changed over time, the availability on the Internet, often supported by misleading marketing strategies, has made their use even more likely and risky. This paper will explore the case of Mitragyna speciosa Korth. (kratom), a tropical tree used traditionally to combat fatigue and improve work productivity among farm populations in Southeast Asia, which has recently become popular as novel psychoactive substance in Western countries. Specifically, it (i) reviews the state of the art on kratom pharmacology and identification; (ii) provides a comprehensive overview of kratom use cross-culturally; (iii) explores the subjective experiences of users; (iv) identifies potential risks and side-effects related to its consumption. Finally, it concludes that the use of kratom is not negligible, especially for self-medication, and more clinical, pharmacological, and socioanthropological studies as well as a better international collaboration are needed to tackle this marginally explored phenomenon.
- Published
- 2015
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29. [Influence of electroacupuncture stimulation of "tianshu" (ST 25), "quchi" (LI 11) and "shangjuxu" (ST 37) and their pairs on gastric motility in the rat].
- Author
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Yu Z, Xia YB, Lu MX, Lin J, Yu WJ, and Xu B
- Subjects
- Animals, Humans, Male, Rats, Rats, Sprague-Dawley, Acupuncture Points, Electroacupuncture, Stomach physiology
- Abstract
Objective: To observe the effect of electroacupuncture (EA) stimulation of different acupoints or acupoint pairs on gastric motility so as to explore their modulation regularities under different conditions., Methods: SD rats were randomly divided into normal control, starvation (food-deprivation for 24 h), atropine (antagonist for M-receptor), acetylcholine (Ach, agonist for M-receptor), propranolol (antagonist for beta-receptor) and clenbuterol (agonist for beta 2-receptor) and paired-acupoint groups (30 rats/group). The intragastric pressure was measured via a pressure transducer connected to a balloon inserted in the stomach cavity. EA (2 Hz /15 Hz, 2 mA) was applied to the left "Tianshu" (ST 25),"Quchi" (LI 11) and "Shangjuxu" (ST 37) which were formed in pairs: ST 25-LI 11, ST 25-ST 37 and LI 11-ST 37 for 2 min following intravenous injection of atropine (0.1%, 0.8 mL/kg, 40 microL x min(-1) x kg(-1)), 0.1% acetylcholine (20 microL x min(-1) x kg(-1)), 0. 2% clenbuterol (80 microL x min(-1) x kg(-1)) and 0.4% propranolol (1 mL/kg,40 microL x min(-1) x kg(-1)) under food-deprivation conditions., Results: After intravenous injection of atropine and clenbuterol, the intragastric pressure were decreased significantly (P < 0.05), while after administration of Ach and propranolol, the intragastric pressure increased markedly (P < 0.05). Under normal and starvation conditions, and after intravenous administration of M-receptor antagonist (atropine) and agonist (Ach), beta-receptor antagonist (propranolol) and agonist (clenbuterol), EA stimulation of ST 25 produced an apparently inhibitory effects on gastric motility (80.00%, 86.67%, 76.67%, 86.67%, 73.33% and 86.67%, respectively) and intragatric pressure (P < 0.05) with the tendency being starvation > normal, acetylcholine > atropine and clenbuterol > propranolol. Whereas EA stimulation of LI 11 and ST 37 mainly produced an excitatory effect on gastric motility (60.00%, 56.67%, 93.33%, 40.00%, 53.33% and 50.00%, respectively for LI 11; 66.67%, 60.00%, 80.00%, 53.33%, 46.67% and 73.33%, respectively for ST 37). Following EA stimulation of the paired-acupoint groups, ST 25-ST 37 induced a predominately inhibitory effect on gastric motility (50.00%) and intragastric pressure, while LI 11-ST 37 stimulation had a principally excitatory effect on gastric motility (53.33%), and ST 25-LI 11 showed no apparent effect (50.00%)., Conclusion: EA stimulation of ST 25 area at the abdomen produces a predominant inhibitory effect on gastric motility, while EA of LI 11 and ST 37 on the upper and lower limbs induces an excitatory effect on gastric movement, when applied in pairs, EA of ST 25-ST 37 suppresses the gastric activity, and LI 11-ST 37 promotes the gastric activity, suggesting a specificity of the effect of different acupoint stimulation.
- Published
- 2013
30. The immune factors involved in the pathogenesis, diagnosis, and treatment of Sjogren's syndrome.
- Author
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Huang YF, Cheng Q, Jiang CM, An S, Xiao L, Gou YC, Yu WJ, Lei L, Chen QM, Wang Y, and Wang J
- Subjects
- Autoantibodies genetics, Autoantibodies immunology, B-Lymphocyte Subsets immunology, B-Lymphocyte Subsets metabolism, Humans, Sjogren's Syndrome diagnosis, Sjogren's Syndrome genetics, Sjogren's Syndrome therapy, T-Lymphocyte Subsets immunology, T-Lymphocyte Subsets metabolism, Sjogren's Syndrome immunology
- Abstract
Sjogren's syndrome (SS) is a systemic, autoimmune disorder characterized by salivary insufficiency and lymphocytic infiltration of the exocrine glands. Even though the mechanism of its pathology and progression has been researched ever since its discovery, the roles of different parts of immune system remain inconclusive. There is no straightforward and simple theory for the pathogenesis and diagnosis of Sjogren's syndrome because of the multiple kinds and functions of autoantibodies, changing proportion of different T-lymphocyte subsets with the progression of disease, unsuspected abilities of B lymphocytes discovered recently, crosstalk between cytokines connecting the factors mentioned previously, and genetic predisposition that contributes to the initiation of this disease. On the other hand, the number of significant reports and open-label studies of B-cell depletion therapy showing clinical efficacy in sjogren's syndrome has continued to accumulate, which provides a promising future for the patients. In a word, further elucidation of the role of different components of the immune system will open avenues for better diagnosis and treatment of SS, whose current management is still mainly supportive.
- Published
- 2013
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31. [Peripheral blood leukocyte double strand RNA-dependent protein kinase gene expression in patients with systemic lupus erythematosus].
- Author
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Li M, Liang Y, Yu WJ, Wu XH, Sha H, and Huang XY
- Subjects
- Adolescent, Adult, Aged, Case-Control Studies, Female, Gene Expression, Humans, Leukocytes metabolism, Male, Middle Aged, Up-Regulation, Young Adult, Lupus Erythematosus, Systemic blood, Lupus Erythematosus, Systemic genetics, eIF-2 Kinase genetics
- Abstract
Objective: To investigate the expression of the double-stranded RNA-dependent protein kinase (PKR) gene in the peripheral blood leukocyte of patients with systemic lupus erythematosus (SLE), and to evaluate the relationship between the gene expression and the disease activity., Methods: The clinical data of 100 SLE patients, 40 non-SLE patients with rheumatic diseases, and 40 normal controls were collected. Total RNA was extracted from the peripheral blood and then reverse transcribed into cDNA. Sybr green dye based real-time quantitative PCR method was used to compare the expression levels (indicated as 2(-ΔCt) value) of PKR in the three groups., Results: (1) The 2(-ΔCt) value of PKR expression level in the SLE patients was (14.69 ± 7.62), which was significantly higher than those in the non-SLE patients (5.09 ± 4.73, P = 0.012)and normal controls(4.79 ± 3.49, P = 0.005). (2) The 2(-ΔCt) value of PKR expression level in the SLE patients with severe activity was (22.57 ± 2.61), which was significantly higher than those in the SLE patients with mild activity and no activity (12.94 ± 2.41, P = 0.000; 8.85 ± 2.17, P = 0.000). (3) The 2(-ΔCt) value of PKR expression level in the SLE patients with lupus nephritis was significantly higher than that in the SLE patients without lupus nephritis (16.85 ± 7.32 vs 8.35 ± 2.04, P = 0.034). (4) The 2(-ΔCt) value of PKR was correlated with the systemic lupus erythematosus index (SLEDAI) scores (r = 0.32, P = 0.000), WBC (r = 0.46, P = 0.000), Hb (r = -0.22, P = 0.035), the quantitation of urine protein in 24 hours (r = 0.21, P = 0.000), HDL-C (r = 0.21, P = 0.022), and anti-RNP antibody (r(s) = -0.21, P = 0.025)., Conclusions: The expression of PKR in the SLE patients is up-regulated, especially in those with severe activity. The expression level of PKR gene is associated with SLE disease activity.
- Published
- 2012
32. Major food safety episodes in Taiwan: implications for the necessity of international collaboration on safety assessment and management.
- Author
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Li JH, Yu WJ, Lai YH, and Ko YC
- Subjects
- Animals, Food Contamination prevention & control, Food Industry organization & administration, Foodborne Diseases epidemiology, Foodborne Diseases prevention & control, Humans, Taiwan epidemiology, United States, Food Contamination legislation & jurisprudence, Food Industry legislation & jurisprudence, International Cooperation
- Abstract
The major food safety episodes that occurred in Taiwan during the past decade are briefly reviewed in this paper. Among the nine major episodes surveyed, with the exception of a U.S. beef (associated with Creutzfeldt-Jakob disease)-related incident, all the others were associated with chemical toxicants. The general public, which has a layperson attitude of zero tolerance toward food safety, may panic over these food-safety-associated incidents. However, the health effects and impacts of most incidents, with the exception of the melamine incident, were essentially not fully evaluated. The mass media play an important role in determining whether a food safety concern becomes a major incident. A well-coordinated and harmonized system for domestic and international collaboration to set up standards and regulations is critical, as observed in the incidents of pork with ractopamine, Chinese hairy crab with nitrofuran antibiotics, and U.S. wheat with malathion. In the future, it can be anticipated that food safety issues will draw more attention from the general public. For unknown new toxicants or illicit adulteration of food, the establishment of a more proactive safety assessment system to monitor potential threats and provide real-time information exchange is imperative., (Copyright © 2012. Published by Elsevier B.V.)
- Published
- 2012
- Full Text
- View/download PDF
33. Bis[4-amino-3,5-bis-(pyridin-2-yl)-4H-1,2,4-triazole-κN,N]bis-(benzene-1,2-dicarb-oxy-lic acid-κO)copper(II) bis-(2-carb-oxy-benzoate).
- Author
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Yan Y, Yu WJ, and Chen J
- Abstract
In the complex cation of the title salt, [Cu(C(12)H(10)N(6))(2)(C(8)H(6)O(4))(2)](C(8)H(5)O(4))(2), the Cu(II) atom, lying on an inversion center, exhibits a distorted octa-hedral geometry defined by four N atoms from two 4-amino-3,5-bis-(pyridin-2-yl)-4H-1,2,4-triazole ligands in the equatorial plane and two axial O atoms from two benzene-1,2-dicarb-oxy-lic acid ligands. In the crystal, the complex cations and the monodeprotonated 2-carb-oxy-benzoate anions are connected by O-H⋯O and N-H⋯O hydrogen bonds, forming a tape along [100]. Adjacent tapes are further linked into a three-dimensional arrangement via π-π stacking inter-actions between the triazole and benzene rings and between the pyridine and benzene rings [centroid-centroid distances = 3.6734 (14)/3.9430 (16) and 3.8221 (14) Å]. Intra-molecular N-H⋯N and O-H⋯O hydrogen bonds are also observed.
- Published
- 2012
- Full Text
- View/download PDF
34. Essentiality of HIV testing and education for effective HIV control in the national pilot harm reduction program: the Taiwan experience.
- Author
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Lee HY, Yang YH, Yu WJ, Su LW, Lin TY, Chiu HJ, Tang HP, Lin CY, Pan RN, and Li JH
- Subjects
- Harm Reduction, Health Education, Humans, Methadone therapeutic use, Needle-Exchange Programs, Taiwan, HIV Infections diagnosis, HIV Infections prevention & control
- Abstract
In 2005, a national pilot harm reduction program (PHRP), which mainly included a methadone maintenance treatment program (MMTP) and a needle/syringe exchange program (NSP), was implemented in Taiwan. We conducted this study to evaluate the effectiveness of harm reduction measures on HIV control among injecting drug users (IDUs) between PHRP and nonPHRP. The data on HIV, collected from incumbent Taiwanese authorities, were analyzed for their associations, risk and protective factors with PHRP measures. While the monthly HIV incidences did not show significant differences before and after PHRP in the four areas with PHRP (Taipei City, Taipei County, Taoyuan County and Tainan County), a significant increase in the HIV incidence was found in the 21 areas without PHRP. Hence, the implementation of the PHRP did result in a significant difference in the monthly HIV incidence between areas with and without the PHRP. Mandatory HIV testing was significantly associated with the HIV incidence according to the generalized estimation equations (GEE) model. With adjustments of time period and area with PHRP, and urban area, protective factors associated with HIV incidence were: educational materials, condoms, dilution water, and alcohol sponges/swabs. MMTP contributed to a higher HIV incidence, probably due to the concurrent HIV testing upon admission. Since HIV testing was not required in the NSP, the HIV testing-dependent MMTP may explain the association of the PHRP intervention and an increased HIV incidence. In summary, HIV testing and education were essential for effective HIV control upon implementing the PHRP., (Copyright © 2011. Published by Elsevier B.V.)
- Published
- 2012
- Full Text
- View/download PDF
35. [ZNF185 gene cloning and the localization in mouse testis].
- Author
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Pan ZF, Feng WG, Chen LM, Liu XY, Zhao CL, Lian B, Yu WJ, and Gao ZQ
- Subjects
- Animals, Blotting, Western, Cloning, Molecular, Female, Fluorescent Antibody Technique, Immunohistochemistry, In Vitro Techniques, Leydig Cells metabolism, Male, Mice, Ovary metabolism, Reverse Transcriptase Polymerase Chain Reaction, Spermatozoa metabolism, DNA-Binding Proteins genetics, DNA-Binding Proteins metabolism, Testis metabolism
- Abstract
Aim: we Clone the ZNF185 gene and detect the position of ZNF185 in the mouse testis., Methods: extracted from mouse testis RNA, by RT-PCR, and then the obtained fragment was cloned and identified; extracted from mouse liver, testis and ovary proteins were Western blot analysis; preparation of frozen sections of mouse testes, immunofluorescence techniques analysis., Results: (1) ZNF185 gene cloning was correct. (2) Western blot showed that the most abundant in the testes ZNF185. (3) Immunofluorescence showed, ZNF185 located in Leydig cells and sperm, Leydig cells in the weak, and in round spermatids and mature sperm were highly expressed., Conclusion: the gene cloning of ZNF185 was successful and initially proved the position of ZNF185 in the mouse testis.
- Published
- 2010
36. Inhibition by bis(7)-tacrine of native delayed rectifier and KV1.2 encoded potassium channels.
- Author
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Nie H, Yu WJ, Li XY, Yuan CH, Pang YP, Li CY, Han YF, and Li ZW
- Subjects
- Animals, Cells, Cultured, Cholinesterase Inhibitors pharmacology, Delayed Rectifier Potassium Channels drug effects, Dose-Response Relationship, Drug, Female, Ganglia, Spinal cytology, Gene Transfer Techniques, Ion Channel Gating drug effects, Ion Channel Gating physiology, Kv1.2 Potassium Channel drug effects, Kv1.2 Potassium Channel genetics, Membrane Potentials drug effects, Membrane Potentials physiology, Neural Inhibition drug effects, Neural Inhibition physiology, Neurons, Afferent drug effects, Oocytes drug effects, Oocytes metabolism, Patch-Clamp Techniques, Rats, Rats, Sprague-Dawley, Tacrine pharmacology, Xenopus, Delayed Rectifier Potassium Channels metabolism, Kv1.2 Potassium Channel metabolism, Neurons, Afferent metabolism, Potassium Channel Blockers pharmacology, Tacrine analogs & derivatives
- Abstract
Bis(7)-tacrine [bis(7)-tetrahydroaminacrine] acts as an AChE inhibitor and also exerts modulatory effects on many ligand-gated ion channels and voltage-gated Ca(2+) and K(+) channels. It has been reported previously that tacrine and some other AChE inhibitors suppressed I(K(A)) in central and peripheral neurons. The present study aimed to explore whether bis(7)-tacrine could modulate the function of native delayed rectifier potassium channels in DRG neurons and K(V)1.2 encoded potassium channels expressed in oocytes. We found that both delayed rectifier potassium currents (I(K(DR))) in rat DRG neurons and the currents recorded from oocytes expressing K(V)1.2 (I(K(K(V)1.2))) were suppressed by bis(7)-tacrine, the potency of which was two orders greater than that of tacrine. The IC(50) values for bis(7)-tacrine and tacrine inhibition of I(K(KD)) in DRG neurons were 0.72+/-0.05 and 58.3+/-3.7 microM, respectively; while the two agents inhibited I(K(K(V)1.2)) in oocytes with an IC(50) of 0.24+/-0.06 and 102.1+/-21.5 microM, respectively. The possible mechanism for bis(7)-tacrine inhibition of I(K(A)) and I(K(K(V)1.2)) was identified as the suppression of their activation, inactivation.
- Published
- 2007
- Full Text
- View/download PDF
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