592 results on '"Wei, Chu"'
Search Results
2. S-ketamine alleviates depression-like behavior and hippocampal neuroplasticity in the offspring of mice that experience prenatal stress
- Author
-
Zhang, Yan, Wei, Chu-Ke, Wang, Ping, Zheng, Liu-Cheng, Cheng, Yang, Ren, Zhen-Hua, Jin, Yu-Hong, Yao, Yu-You, and Liu, Huan-Zhong
- Published
- 2024
- Full Text
- View/download PDF
3. Sexual health—a topic for cancer patients receiving oncological treatment with palliative intent
- Author
-
Schmalz, Claudia, Oberguggenberger, Anne S., Nagele, Eva, Bliem, Brigitte, Lanceley, Anne, Nordin, Andy, Kuljanic, Karin, Jensen, Pernille T., Bjelic-Radisic, Vesna, Fabian, Alexander, Arraras, Juan I., Wei-Chu, Chie, Creutzberg, Carien L., Galalae, Razvan, Toelen, Hilde, Zimmermann, Kristin, Costantini, Anna, Almont, Thierry, Serpentini, Samantha, Frøding, Ligita Paskeviciute, Vistad, Ingvild, Tomaszewski, Krzysztof A., Inwald, Elisabeth, and Greimel, Elfriede
- Published
- 2024
- Full Text
- View/download PDF
4. The levels of women’s awareness, experience, acceptability and preference for Vaginal Human Papillomavirus (HPV) self-sampling in three provinces of China: a cross-sectional study
- Author
-
Song, Jia, Ni, Yi-Hua, Fang, Jing, Qu, Shui-Xiang, Chen, Xiao-Yan, Wu, Wei-Li, Zhang, Wei-Chu, and Qin, Jian-Fen
- Published
- 2024
- Full Text
- View/download PDF
5. Using machine learning to predict patients with polycystic ovary disease in Chinese women
- Author
-
Chen-Yu Wang, Dee Pei, Chun-Kai Wang, Jyun-Cheng Ke, Siou-Ting Lee, Ta-Wei Chu, and Yao-Jen Liang
- Subjects
Machine learning ,Logistic regression ,Polycystic ovary syndrome ,Gynecology and obstetrics ,RG1-991 - Abstract
Objective: With an estimated global frequency ranging from5 % to 21 %, polycystic ovary syndrome (PCOS) is one of the most prevalent hormonal disorders. There are many factors found to be related to PCOS. However, most of these researches used traditional methods such as multiple logistic regression (LR). Nowadays, machine learning (Mach-L) emerges as a new method and can be used in medical researches. In the present study, there were two goals: 1. Compare the accuracy of five alternative Mach-L techniques with that of conventional LR. 2. Use Mach-L to forecast PCOS and prioritize the risk factors. Materials and methods: Totally, 170 PCOS patients and 950 control participants were included. We collected information on demographics, biochemistry, and lifestyle. PCOS was identified using Rotterdam criteria. Random Forest (RF), stochastic gradient boosting (SGB), multivariate adaptive regression splines (MARS), extreme gradient boosting (XGBoost), and gradient boosting with categorical features support (CatBoost) are five Mach-L algorithms that were used. Models with lower estimation errors were better. Results: By using t-test, we found subjects with PCOS were younger, glutamic oxaloacetic transaminase (GOT), glutamic pyruvic transaminase (GPT), γ-Glutamyl transferase (γ-GT), Triglyceride (TG), and educational levels were higher. All the five Mach-L methods had lower estimation errors compared to LR. The average of the AUC derived from Mach-L was mean AUC of 0.6669, higher than the that of LR (0.5908). Finally, age, TG, GPT, white blood cell count (WBC), uric acid (UA), and platelet (Plt) were the six most important risk factors selected by Mach-L. Conclusion: Mach-L methods overtook conventional LR and age was the most significant factor, followed by TG, GPT, WBC, UA, and Plt in a cohort of Chinese women.
- Published
- 2025
- Full Text
- View/download PDF
6. Effects of Course Structure on Student Engagement and Learning Performance in an Electronics Course
- Author
-
Wei-Ying Cheng, Jennifer Wen-Shya Lee, and Shi-Wei Chu
- Abstract
Many educational strategies have been proposed to improve students' learning motivation and outcomes. This paper reports the student learning outcome results of a three-year study centered on the Electronics course at the Department of Physics of National Taiwan University. In the first year, peer instruction (PI) with in-class lectures was implemented. In the second year, in-class lectures were replaced with online lectures in a flipped classroom (FC) approach, and PI in class was maintained. In the third year, PI-based conceptual questions (CQs) were scored as part of in-class homework to enhance motivation for online lecture preview. Learning performance was evaluated based on cumulative percentage of correct answers to CQs and summative assessment. The results revealed improved student performance on summative assessment with PI and FC approaches combined. Furthermore, when CQs were scored, overall learning outcomes were significantly enhanced. In addition, an advantage of using a PI plus FC approach over using PI alone is that more course materials can be covered in online videos, which prevents a loss of lecture content to the time-consuming, in-class discussions involved in PI. Our study indicates that when students' motivations to prepare before class are reinforced using graded CQs, the learning outcome enhancement of PI plus FC is even more significant.
- Published
- 2023
7. GLUT1 exacerbates trophoblast ferroptosis by modulating AMPK/ACC mediated lipid metabolism and promotes gestational diabetes mellitus associated fetal growth restriction
- Author
-
Qin Zhang, Xi Yuan, Xiaojin Luan, Ting Lei, Yiran Li, Wei Chu, Qi Yao, Philip N. Baker, Hongbo Qi, and Hui Li
- Subjects
GLUT1 ,Ferroptosis ,Gestational diabetes mellitus ,Fetal growth restriction ,AMPK/ACC pathway ,Therapeutics. Pharmacology ,RM1-950 ,Biochemistry ,QD415-436 - Abstract
Abstract Background Gestational diabetes mellitus (GDM) has been associated with several fetal complications, such as macrosomia and fetal growth restriction (FGR). Infants from GDM associated FGR are at increased risk for adult-onset obesity and associated metabolic disorders. However, the underlying mechanisms of GDM associated FGR remain to be explored. Methods We analyzed placentas from GDM patients with FGR for ferroptosis markers and GLUT1 expression. High glucose conditions were established by adding different concentrations of D-Glucose to the 1640 cell culture medium. RSL3 were used to test ferroptosis sensitivity in trophoblast cells. GLUT1 was inhibited using siRNA or its inhibitor WZB117 to assess its impact on ferroptosis inhibition in HTR8/SVneo cell line. Mechanistic studies explored the effects of GLUT1 on AMPK and ACC phosphorylation, which in turn impacted lipid metabolism and ferroptosis. In mouse models, streptozotocin (STZ)-induced GDM was treated with WZB117 and the ferroptosis inhibitor liproxstatin-1 (Lip-1). Finally, AMPK and ACC phosphorylation levels were evaluated in GDM patient samples. Results In this study, placentas from GDM patients with FGR showed signs of ferroptosis and upregulation of GLUT1. In cell models, high glucose conditions sensitized trophoblast cells to ferroptosis and induced GLUT1 expression. Interestingly, GLUT1 inhibition significantly suppressed ferroptosis in trophoblast cells under high glucose conditions. Mechanistically, elevated GLUT1 inhibited AMPK phosphorylation and reduced ACC phosphorylation, thereby promoting lipid synthesis and facilitating ferroptosis. In pregnant mice, STZ-induced hyperglycemia led to FGR, and treatment with either the GLUT1 inhibitor WZB117 or the ferroptosis inhibitor Lip-1 alleviated the FGR phenotype. Moreover, in vivo elevation of GLUT1 increased ferroptosis markers, decreased AMPK/ACC phosphorylation, and resulted in altered lipid metabolism, which likely contributed to the observed phenotype. Finally, placental samples from GDM patients showed reduced AMPK and ACC phosphorylation. Conclusions Our findings suggest a potential role of ferroptosis in GDM associated FGR and indicate that the dysregulated GLUT1-AMPK-ACC axis may be involved in the pathogenesis of GDM associated FGR in clinicals.
- Published
- 2024
- Full Text
- View/download PDF
8. The risk factors determined by four machine learning methods for the change of difference of bone mineral density in post-menopausal women after three years follow-up
- Author
-
Ching-Yao Chang, Chung-Hsin Peng, Fang-Yu Chen, Li-Ying Huang, Chun-Heng Kuo, Ta-Wei Chu, and Yao-Jen Liang
- Subjects
Machine learning ,Osteoporosis ,Longitudinal study ,Medicine ,Science - Abstract
Abstract The prevalence of osteoporosis has drastically increased recently. It is not only the most frequent but is also a major global public health problem due to its high morbidity. There are many risk factors associated with osteoporosis were identified. However, most studies have used the traditional multiple linear regression (MLR) to explore their relationships. Recently, machine learning (Mach-L) has become a new modality for data analysis because it enables machine to learn from past data or experiences without being explicitly programmed and could capture nonlinear relationships better. These methods have the potential to outperform conventional MLR in disease prediction. In the present study, we enrolled a Chinese post-menopause cohort followed up for 4 years. The difference of T-score (δ-T score) was the dependent variable. Information such as demographic, biochemistry and life styles were the independent variables. Our goals were: (1) Compare the prediction accuracy between Mach-L and traditional MLR for δ-T score. (2) Rank the importance of risk factors (independent variables) for prediction of δ T-score. Totally, there were 1698 postmenopausal women were enrolled from MJ Health Database. Four different Mach-L methods namely, Random forest (RF), eXtreme Gradient Boosting (XGBoost), Naïve Bayes (NB), and stochastic gradient boosting (SGB), to construct predictive models for predicting δ-BMD after four years follow-up. The dataset was then randomly divided into an 80% training dataset for model building and a 20% testing dataset for model testing. A 10-fold cross-validation technique for hyperparameter tuning was used. The model with the lowest root mean square error for the validation dataset was viewed as the best model for each ML method. The averaged metrics of the RF, SGB, NB, and XGBoost models were used to compare the model performance of the benchmark MLR model that used the same training and testing dataset as the Mach-L methods. We defined that the priority demonstrated in each model ranked 1 as the most critical risk factor and 22 as the last selected risk factor. For Pearson correlation, age, education, BMI, HDL-C, and TSH were positively and plasma calcium level, and baseline T-score were negatively correlated with δ-T score. All four Mach-L methods yielded lower prediction errors than the MLR method and were all convincing Mach-L models. From our results, it could be noted that education level is the most important factor for δ-T Score, followed by DBP, smoking, SBP, UA, age, and LDL-C. All four Mach-L outperformed traditional MLR. By using Mach-L, the most important six risk factors were selected which are, from the most important to the least: DBP, SBP, UA, education level, TG and sleeping hour. δ T score was positively related to SBP, education level, UA and TG and negatively related to DBP and sleeping hour in postmenopausal Chinese women.
- Published
- 2024
- Full Text
- View/download PDF
9. Quantification of the interaction forces between dengue virus and dopamine type-2 receptor using optical tweezers
- Author
-
Jane C. Arifin, Bo-Ying Tsai, Chun-Yu Chen, Li-Wei Chu, Yi-Ling Lin, Chau-Hwang Lee, Arthur Chiou, and Yueh-Hsin Ping
- Subjects
Optical tweezers ,Dengue virus ,Dopamine receptor ,Virus-host interaction ,Force spectroscopy ,Infectious and parasitic diseases ,RC109-216 - Abstract
Abstract Background Dengue virus (DENV) causes the most significant mosquito-borne viral disease with a wide spectrum of clinical manifestation, including neurological symptoms associated with lethal dengue diseases. Dopamine receptors are expressed in central nervous system, and dopamine antagonists have been reported to exhibit antiviral activity against DENV infection in vivo and in vitro. Although identification of host-cell receptor is critical to understand dengue neuropathogenesis and neurotropism, the involvement of dopamine receptors in DENV infection remains unclear. Results We exploited the sensitivity and precision of force spectroscopy to address whether dopamine type-2 receptors (D2R) directly interact with DENV particles at the first step of infection. Using optical tweezers, we quantified and characterized DENV binding to D2R expressed on Chinese hamster ovary (CHO) cells. Our finding suggested that the binding was D2R- and DENV-dependent, and that the binding force was in the range of 50–60 pN. We showed that dopamine antagonists prochlorperazine (PCZ) and trifluoperazine (TFP), previously reported to inhibit dengue infection, interrupt the DENV-D2R specific binding. Conclusions This study demonstrates that D2R could specifically recognize DENV particles and function as an attachment factor on cell surfaces for DENV. We propose D2R as a host receptor for DENV and as a potential therapeutic target for anti-DENV drugs. Graphical abstract
- Published
- 2024
- Full Text
- View/download PDF
10. Real-time visualization of the gastrointestinal tract during nasogastric tube placement: Pilot study of new video-Assisted system
- Author
-
Yi-Ning Lo, Jui-Wen Kang, Chih-Cheng Hsieh, Chiung-Zuei Chen, Kai-Chun Yang, Wei-Chu Tsai, Hsueh-Chien Chiang, Chien-Cheng Chen, I-Cheng Shih, Po-Jun Chen, Er-Hsiang Yang, Hsin-Yu Kuo, Chiung-Yu Chen, Chen-Ju Chen, and Chiao-Hsiung Chuang
- Subjects
Quality and logistical aspects ,Quality management ,Performance and complications ,Endoscopy Upper GI Tract ,Diagnosis and imaging (inc chromoendoscopy, NBI, iSCAN, FICE, CLE) ,Diseases of the digestive system. Gastroenterology ,RC799-869 - Published
- 2025
- Full Text
- View/download PDF
11. Biopolitics in Rebel-Controlled Myanmar: Exploring Why the United League of Arakan Supports the Kyaukphyu Special Economic Zone
- Author
-
Ta-Wei Chu, Saw Jonathan, and Kyaw Lynn
- Subjects
International relations ,JZ2-6530 ,Political institutions and public administration - Asia (Asian studies only) ,JQ1-6651 ,Social sciences and state - Asia (Asian studies only) ,H53 - Abstract
In this article, we explore why the Myanmar-based insurgency organisation known as the United League of Arakan (ULA) supports the Kyaukphyu Special Economic Zone (KSEZ): a controversial Belt and Road Initiative (BRI) project. We argue that the ULA's support for the KSEZ is rooted in a biopolitics that benefits the ULA by attractively showcasing its insurgent aims and by effectively boosting its local authority. The ULA's pro-KSEZ policy partially explains why the KSEZ, unlike other BRI projects in junta-led Myanmar, has enjoyed moderate success. Despite its biopolitical benefits, the ULA's pro-KSEZ policy has marginalised certain anti-KSEZ actors in the rebel organisation's sphere of control. The resulting fragmentation may both destabilise the ULA's hard-fought social order and undermine the prospects of the KSEZ. Our examination of the ULA–KSEZ relationship empirically contributes to BRI-in-Myanmar research, which has heretofore paid little attention to rebel-controlled societies’ significant influence on foreign-led domestic development projects.
- Published
- 2024
- Full Text
- View/download PDF
12. Whole-genome analysis of circulating influenza A virus (H3N2) strains in Shanghai, China from 2005 to 2023
- Author
-
Xue Zhao, Yijing Gu, Xiaode Tang, Chenyan Jiang, Fanghao Fang, Wei Chu, Lixin Tao, Xi Zhang, Min Chen, Huanyu Wu, Youhua Xie, Jing Liu, and Zheng Teng
- Subjects
Phylodynamic analysis ,virus evolution ,hemagglutination inhibition ,neutralization ,CPE ,Infectious and parasitic diseases ,RC109-216 ,Microbiology ,QR1-502 - Abstract
Seasonal influenza A virus subtype H3N2 (A/H3N2) circulates globally and has been linked to higher hospitalization rates and summer outbreaks in temperate regions. Here, A/H3N2 circulation in Shanghai, China was systematically studied using data and materials generated by the Shanghai influenza surveillance network from 2005 to 2023. Time-series analysis of incidence and subtyping data showed that A/H3N2 co-circulated with other (sub)types and dominated in multiple seasonal influenza peaks, preferentially in summer. Whole genomes of 528 representative strains were sequenced, and spatiotemporal phylodynamic analysis using these and GISAID-archived sequences demonstrated that in the years before the COVID-19 pandemic, phylogenetically similar strains were circulating locally and elsewhere. However, clade 1a.1 (within 3C.2a.1b.2a), circulated in and only in Shanghai and domestically in 2022, while the sibling clade 2 predominated in other regions. Interestingly, clade 1a.1 was swiftly and completely replaced by clade 2, mostly 2a.3a.1, at the start of 2023. In hemagglutination inhibition and neutralization assays, sera from healthy donors collected in 2022 displayed higher or similar reactivity against 2a.3a.1 compared to 1a.1. By contrast, transcription and replication competence of 2a.3a.1 in MDCK cells was higher than 1a.1. These results indicated that instead of antigenicity differences enabling evasion of pre-existing immunity, higher replicative capability more likely contributed to 2a.3a.1 viruses achieving dominance in China. In addition to summarizing patterns of A/H3N2 local circulation in Shanghai, this work revealed an unusual episode in A/H3N2 global circulation and evolution dynamics in connection to the COVID-19 pandemic and explored possible mechanistic explanations.
- Published
- 2024
- Full Text
- View/download PDF
13. TAG‐SPARK: Empowering High‐Speed Volumetric Imaging With Deep Learning and Spatial Redundancy
- Author
-
Yin‐Tzu Hsieh, Kai‐Chun Jhan, Jye‐Chang Lee, Guan‐Jie Huang, Chang‐Ling Chung, Wun‐Ci Chen, Ting‐Chen Chang, Bi‐Chang Chen, Ming‐Kai Pan, Shun‐Chi Wu, and Shi‐Wei Chu
- Subjects
deep‐learning noise reduction ,high‐speed volumetric image ,neural networks ,Purkinje cells ,two‐photon microscopy ,Science - Abstract
Abstract Two‐photon high‐speed fluorescence calcium imaging stands as a mainstream technique in neuroscience for capturing neural activities with high spatiotemporal resolution. However, challenges arise from the inherent tradeoff between acquisition speed and image quality, grappling with a low signal‐to‐noise ratio (SNR) due to limited signal photon flux. Here, a contrast‐enhanced video‐rate volumetric system, integrating a tunable acoustic gradient (TAG) lens‐based high‐speed microscopy with a TAG‐SPARK denoising algorithm is demonstrated. The former facilitates high‐speed dense z‐sampling at sub‐micrometer‐scale intervals, allowing the latter to exploit the spatial redundancy of z‐slices for self‐supervised model training. This spatial redundancy‐based approach, tailored for 4D (xyzt) dataset, not only achieves >700% SNR enhancement but also retains fast‐spiking functional profiles of neuronal activities. High‐speed plus high‐quality images are exemplified by in vivo Purkinje cells calcium observation, revealing intriguing dendritic‐to‐somatic signal convolution, i.e., similar dendritic signals lead to reverse somatic responses. This tailored technique allows for capturing neuronal activities with high SNR, thus advancing the fundamental comprehension of neuronal transduction pathways within 3D neuronal architecture.
- Published
- 2024
- Full Text
- View/download PDF
14. Review of lithology prediction and comprehensive geophysical interpretation methods
- Author
-
Shupeng Lu, Ya Xu, Qianwen Zhang, and Wei Chu
- Subjects
comprehensive geophysical interpretation ,lithology prediction ,knowledge-driven and data-driven ,machine learning ,Geophysics. Cosmic physics ,QC801-809 ,Astrophysics ,QB460-466 - Abstract
The primary objective of geophysical research is the exploration of underground structures and to serve as a valuable tool for geological interpretation. The formation structure and properties can be determined by analyzing the physical properties of the underground medium reflected by geophysical data, such as density, velocity, magnetic susceptibility, resistivity, and more. Given the numerous solutions of a single geophysical method, comprehensive geophysical interpretation is currently a feasible and effective approach. This study explores lithology prediction, providing a summary of the basic principles and steps of comprehensive geophysical interpretation methods for lithology prediction. Additionally, it outlines the main technical methods of comprehensive lithology prediction involving two kinds of technical routes: knowledge-driven and data-driven. The knowledge-driven method uses prior information. It is simple, direct, and easy to understand, but has weak adaptability to the complexity and high dimension data. The data-driven method employs a mathematical statistics strategy to explore the relationship between data and has a robust capacity to adapt to complex scenarios. In solving practical problems, the supervised machine learning method, based on sufficient rock physical properties research, not only incorporates prior knowledge but also maximizes its internal data exploration ability. It can enhance the accuracy of lithology prediction and interpretation, better establish the corresponding relationship between geophysical and geological information, and support the exploration needs of resources and energy.
- Published
- 2024
- Full Text
- View/download PDF
15. Sexual health—a topic for cancer patients receiving oncological treatment with palliative intent
- Author
-
Claudia Schmalz, Anne S. Oberguggenberger, Eva Nagele, Brigitte Bliem, Anne Lanceley, Andy Nordin, Karin Kuljanic, Pernille T. Jensen, Vesna Bjelic-Radisic, Alexander Fabian, Juan I. Arraras, Chie Wei-Chu, Carien L. Creutzberg, Razvan Galalae, Hilde Toelen, Kristin Zimmermann, Anna Costantini, Thierry Almont, Samantha Serpentini, Ligita Paskeviciute Frøding, Ingvild Vistad, Krzysztof A. Tomaszewski, Elisabeth Inwald, Elfriede Greimel, and the EORTC Quality of Life Group
- Subjects
Patient reported outcome measure ,Sexuality ,Patient satisfaction ,Neoplasms ,Palliative care ,Special situations and conditions ,RC952-1245 - Abstract
Abstract Objectives Sexuality is an important dimension of health-related quality of life (HRQOL) in cancer patients. Studies evidence that most patients report impairments of their sexual health related to their disease or its treatment. The Quality of Life Group of the European Organization for the Research and Treatment of Cancer (EORTC) developed a patient reported outcome measure assessing multidimensional aspects of sexual health. The validation study for this instrument revealed heterogenous results for patients in palliative oncological treatment. The aim of this secondary analyses is to examine differences in patient related sexual health outcomes between palliative patients with good performance status (GPS) and those with poor performance status (PPS). Methods In this observational cohort study, self-reported sexual health issue scores were compared between the two groups of patients in palliative oncological treatment with GPS vs PPS status. Results Patients with GPS experienced significantly more sexual satisfaction than patients with PPS (p = 0.015). They reported significantly more treatment effects on their sexual activity (p = 0.005) and suffer more from decreased libido (p = 0.008). Patients with PPS reported significantly more fatigue (p = 0.03) and regarded preservation of sexual activity of higher importance than did patients with GPS (p = 0.049). Conclusions Our study demonstrates the importance of sexuality for patients in palliative oncological treatment, especially for those with limited performance status. Considering the patients´ perspective, sexual health reaches beyond physical functioning. Patients in a palliative phase of disease report high levels of psychosexual problems while sexual performance deteriorates. Sexuality is an important aspect of HRQOL for these patients, needs to be addressed by health care providers and sensitively integrated into palliative care plans.
- Published
- 2024
- Full Text
- View/download PDF
16. A new record of an armored searobin, Paraheminodus kamoharai (Actinopterygii: Perciformes: Triglidae), from Taiwan, with a checklist of peristediines (Peristediinae) from Taiwan
- Author
-
Yo Su, Ching-Feng Lin, and Tah-Wei Chu
- Subjects
Aquaculture. Fisheries. Angling ,SH1-691 - Abstract
A single specimen of a rare species of armored searobin, Paraheminodus kamoharai Kawai, Imamura et Nakaya, 2004, is recorded from Taiwan, South China Sea, for the first time. While this particular species has been recorded in the Philippines and Japan, it has never been found in Taiwan. Therefore, our specimen fills the distribution gap of this species in the western Pacific Ocean. A detailed description of the specimen is provided and compared to the data of type specimens. Additionally, a checklist of species recorded from Taiwan is provided. Currently, 20 peristediine species under six genera are recorded from Taiwan’s EEZ.
- Published
- 2024
- Full Text
- View/download PDF
17. The levels of women’s awareness, experience, acceptability and preference for Vaginal Human Papillomavirus (HPV) self-sampling in three provinces of China: a cross-sectional study
- Author
-
Jia Song, Yi-Hua Ni, Jing Fang, Shui-Xiang Qu, Xiao-Yan Chen, Wei-Li Wu, Wei-Chu Zhang, and Jian-Fen Qin
- Subjects
Human papillomavirus ,Self-sampling ,Awareness ,Experience ,Acceptability ,Preference ,Gynecology and obstetrics ,RG1-991 ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background The primary screening technique for precancerous lesions and cervical cancer is human papillomavirus (HPV) testing, and HPV self-sampling has been shown to be consistent with clinician sampling in terms of the accuracy of the results and may improve cervical cancer screening rates. The aim of this study was to understand the level of awareness, experience, acceptability, and preference for vaginal HPV self-sampling among women in Jiangsu, Zhejiang, and Shanghai, China, and to analyze the possible influencing factors to determine the feasibility of implementing self-sampling. Methods Overall, 1793 women were included in the data analysis. A self-administered questionnaire was utilized. In addition to descriptive analysis, univariate and multivariate analyses were used to explore the associations between sociodemographic features, history of cervical cancer screening, and the level of awareness, experience, acceptability, and preference for HPV self-samples. Results The participants’ level of awareness of and experience with HPV self-sampling were moderate. A total of 88.8% of participants rated the acceptability as “high”, and self-sampling was preferred by 64.2% of them for cervical cancer screening. People aged 45 to 54 years showed a preference for both clinician sampling(OR = 1.762 (1.116–2.163)) and self-sampling (OR = 1.823 (1.233–2.697)). Those who had graduated from high school or above (OR = 2.305 (1.517–3.503), OR = 2.432 (1.570–3.768), OR = 3.258 (2.024–5.244)) preferred clinician-sampling, and those with a bachelor’s degree or above (OR = 1.664 (1.042–2.657)) preferred self-sampling. Middle- and high-income individuals showed no preference for either sampling method (OR
- Published
- 2024
- Full Text
- View/download PDF
18. Phenomic landscape and pharmacogenomic implications for HLA region in a Taiwan Han Chinese population
- Author
-
Wan-Hsuan Chou, Lu-Chun Chen, Henry Sung-Ching Wong, Ching-Hsuan Chao, Hou-Wei Chu, and Wei-Chiao Chang
- Subjects
Human Leukocyte Antigen ,HLA ,Major histocompatibility complex ,MHC ,Phenome-wide association study ,Therapeutics. Pharmacology ,RM1-950 - Abstract
Abstract Background The human leukocyte antigen (HLA) genes, exhibiting significant genetic diversity, are associated with susceptibility to various clinical diseases and diverse in drug responses. High costs of HLA sequencing and the population-specific architecture of this genetic region necessitate the establishment of a population-specific HLA imputation reference panel. Moreover, there is a lack of understanding about the genetic and phenotypic landscape of HLA variations within the Taiwanese population. Methods We created models for a Taiwanese-specific HLA imputation reference panel. These models were trained with the array genotype data and HLA sequencing data from 845 Taiwanese subjects. HLA imputation was applied for 59,448 Taiwanese subjects to characterize the HLA allele and haplotype frequencies. Additionally, a phenome-wide association study (PheWAS) was conducted to identify the phenotypes associated with HLA variations. The association of the biallelic HLA variants with the binary and quantitative traits were evaluated with additive logistic and linear regression models, respectively. Furthermore, an omnibus test with likelihood-ratio test was applied for each HLA amino acid position in the multiallelic HLA amino acid polymorphisms to compare the difference between a fitted model and a null model following a χ2 distribution of n-1 degree of freedom at a position with n residues. Finally, we estimated the prevalence of adverse drug reactions (ADR)-related HLA alleles in the Taiwanese population. Results In this study, the reference panel models displayed remarkable accuracy, with averages of 99.3%, 98.9%, and 99.1% for 2-, 4-, 6-digit alleles of the eight classical HLA genes, respectively. For PheWAS, a total of 18,136 significant associations with HLA variants across 26 phenotypes are identified (p < 5×10-8), highlighting the pleiotropy feature of the HLA region. Among the independent signals, 15 are novel, including the association of HLA-B pos 138 variation with ankylosing spondylitis (AS), and rs9266290 and rs9266292 with allergy. Through an analysis spanning the entire HLA region, we identified clusters of phenotype correlations. Finally, the carriers of pharmacogenomic related HLA alleles, including HLA-C*01:02 (35.86%), HLA-B*58:01 (20.9%), and HLA-B*15:02 (8.38%), were characterized in the Taiwanese general population. Conclusions We successfully delivered the HLA imputation for 59,448 Taiwanese subjects and characterized the genetic and phenotypic landscapes of the HLA variations. In addition, we quantified the estimated prevalence of the ADR-related HLA alleles in the Taiwanese population. The developed HLA imputation reference panel could be used for estimation of population HLA allele frequencies, which can facilitate further studies in the role of HLA variants in a wider range of phenotypes in the population.
- Published
- 2024
- Full Text
- View/download PDF
19. Cooperation of immune regulators Tollip and surfactant protein A inhibits influenza A virus infection in mice
- Author
-
Niccolette Schaunaman, Diana Cervantes, Taylor Nichols, Mari Numata, Julie G. Ledford, Monica Kraft, and Hong Wei Chu
- Subjects
Tollip ,Surfactant protein A ,Influenza A virus ,Neutrophilic inflammation ,Diseases of the respiratory system ,RC705-779 - Abstract
Abstract Background Influenza A virus (IAV) infection is a significant risk factor for respiratory diseases, but the host defense mechanisms against IAV remain to be defined. Immune regulators such as surfactant protein A (SP-A) and Toll-interacting protein (Tollip) have been shown to be involved in IAV infection, but whether SP-A and Tollip cooperate in more effective host defense against IAV infection has not been investigated. Methods Wild-type (WT), Tollip knockout (KO), SP-A KO, and Tollip/SP-A double KO (dKO) mice were infected with IAV for four days. Lung macrophages were isolated for bulk RNA sequencing. Precision-cut lung slices (PCLS) from WT and dKO mice were pre-treated with SP-A and then infected with IAV for 48 h. Results Viral load was significantly increased in bronchoalveolar lavage (BAL) fluid of dKO mice compared to all other strains of mice. dKO mice had significantly less recruitment of neutrophils into the lung compared to Tollip KO mice. SP-A treatment of PCLS enhanced expression of TNF and reduced viral load in dKO mouse lung tissue. Pathway analysis of bulk RNA sequencing data suggests that macrophages from IAV-infected dKO mice reduced expression of genes involved in neutrophil recruitment, IL-17 signaling, and Toll-like receptor signaling. Conclusions Our data suggests that both Tollip and SP-A are essential for the lung to exert more effective innate defense against IAV infection.
- Published
- 2024
- Full Text
- View/download PDF
20. A common polymorphism in the Intelectin-1 gene influences mucus plugging in severe asthma
- Author
-
Jamie L. Everman, Satria P. Sajuthi, Maude A. Liegeois, Nathan D. Jackson, Erik H. Collet, Michael C. Peters, Maurizio Chioccioli, Camille M. Moore, Bhavika B. Patel, Nathan Dyjack, Roger Powell, Cydney Rios, Michael T. Montgomery, Celeste Eng, Jennifer R. Elhawary, Angel C. Y. Mak, Donglei Hu, Scott Huntsman, Sandra Salazar, Luigi Feriani, Ana Fairbanks-Mahnke, Gianna L. Zinnen, Cole R. Michel, Joe Gomez, Xing Zhang, Vivian Medina, Hong Wei Chu, Pietro Cicuta, Erin D. Gordon, Pamela Zeitlin, Victor E. Ortega, Nichole Reisdorph, Eleanor M. Dunican, Monica Tang, Brett M. Elicker, Travis S. Henry, Eugene R. Bleecker, Mario Castro, Serpil C. Erzurum, Elliot Israel, Bruce D. Levy, David T. Mauger, Deborah A. Meyers, Kaharu Sumino, David S. Gierada, Annette T. Hastie, Wendy C. Moore, Loren C. Denlinger, Nizar N. Jarjour, Mark L. Schiebler, Sally E. Wenzel, Prescott G. Woodruff, Jose Rodriguez-Santana, Chad G. Pearson, Esteban G. Burchard, John V. Fahy, and Max A. Seibold
- Subjects
Science - Abstract
Abstract By incompletely understood mechanisms, type 2 (T2) inflammation present in the airways of severe asthmatics drives the formation of pathologic mucus which leads to airway mucus plugging. Here we investigate the molecular role and clinical significance of intelectin-1 (ITLN-1) in the development of pathologic airway mucus in asthma. Through analyses of human airway epithelial cells we find that ITLN1 gene expression is highly induced by interleukin-13 (IL-13) in a subset of metaplastic MUC5AC+ mucus secretory cells, and that ITLN-1 protein is a secreted component of IL-13-induced mucus. Additionally, we find ITLN-1 protein binds the C-terminus of the MUC5AC mucin and that its deletion in airway epithelial cells partially reverses IL-13-induced mucostasis. Through analysis of nasal airway epithelial brushings, we find that ITLN1 is highly expressed in T2-high asthmatics, when compared to T2-low children. Furthermore, we demonstrate that both ITLN-1 gene expression and protein levels are significantly reduced by a common genetic variant that is associated with protection from the formation of mucus plugs in T2-high asthma. This work identifies an important biomarker and targetable pathways for the treatment of mucus obstruction in asthma.
- Published
- 2024
- Full Text
- View/download PDF
21. AGR2-mediated unconventional secretion of 14-3-3ε and α-actinin-4, responsive to ER stress and autophagy, drives chemotaxis in canine mammary tumor cells
- Author
-
Stephen Hsien-Chi Yuan, Chih-Ching Wu, Yu-Chih Wang, Xiu-Ya Chan, Hao-Wei Chu, Youngsen Yang, and Hao-Ping Liu
- Subjects
Canine mammary tumor (CMT) ,Anterior gradient 2 (AGR2) ,14-3-3 Epsilon (YWHAE) ,Alpha-actinin 4 (ACTN4) ,Proteomics ,Chemotaxis ,Cytology ,QH573-671 - Abstract
Abstract Background Canine mammary tumors (CMTs) in intact female dogs provide a natural model for investigating metastatic human cancers. Our prior research identified elevated expression of Anterior Gradient 2 (AGR2), a protein disulfide isomerase (PDI) primarily found in the endoplasmic reticulum (ER), in CMT tissues, highly associated with CMT progression. We further demonstrated that increased AGR2 expression actively influences the extracellular microenvironment, promoting chemotaxis in CMT cells. Unraveling the underlying mechanisms is crucial for assessing the potential of therapeutically targeting AGR2 as a strategy to inhibit a pro-metastatic microenvironment and impede tumor metastasis. Methods To identify the AGR2-modulated secretome, we employed proteomics analysis of the conditioned media (CM) from two CMT cell lines ectopically expressing AGR2, compared with corresponding vector-expressing controls. AGR2-regulated release of 14-3-3ε (gene: YWHAE) and α-actinin 4 (gene: ACTN4) was validated through ectopic expression, knockdown, and knockout of the AGR2 gene in CMT cells. Extracellular vesicles derived from CMT cells were isolated using either differential ultracentrifugation or size exclusion chromatography. The roles of 14-3-3ε and α-actinin 4 in the chemotaxis driven by the AGR2-modulated CM were investigated through gene knockdown, antibody-mediated interference, and recombinant protein supplement. Furthermore, the clinical relevance of the release of 14-3-3ε and α-actinin 4 was assessed using CMT tissue-immersed saline and sera from CMT-afflicted dogs. Results Proteomics analysis of the AGR2-modulated secretome revealed increased abundance in 14-3-3ε and α-actinin 4. Ectopic expression of AGR2 significantly increased the release of 14-3-3ε and α-actinin 4 in the CM. Conversely, knockdown or knockout of AGR2 expression remarkably reduced their release. Silencing 14-3-3ε or α-actinin 4 expression diminished the chemotaxis driven by AGR2-modulated CM. Furthermore, AGR2 controls the release of 14-3-3ε and α-actinin 4 primarily via non-vesicular routes, responding to the endoplasmic reticulum (ER) stress and autophagy activation. Knockout of AGR2 resulted in increased α-actinin 4 accumulation and impaired 14-3-3ε translocation in autophagosomes. Depletion of extracellular 14-3-3ε or α-actinin 4 reduced the chemotaxis driven by AGR2-modulated CM, whereas supplement with recombinant 14-3-3ε in the CM enhanced the CM-driven chemotaxis. Notably, elevated levels of 14-3-3ε or α-actinin 4 were observed in CMT tissue-immersed saline compared with paired non-tumor samples and in the sera of CMT dogs compared with healthy dogs. Conclusion This study elucidates AGR2’s pivotal role in orchestrating unconventional secretion of 14-3-3ε and α-actinin 4 from CMT cells, thereby contributing to paracrine-mediated chemotaxis. The insight into the intricate interplay between AGR2-involved ER stress, autophagy, and unconventional secretion provides a foundation for refining strategies aimed at impeding metastasis in both canine mammary tumors and potentially human cancers.
- Published
- 2024
- Full Text
- View/download PDF
22. Association of the systemic inflammation and anthropometric measurements with cancer risk: a prospective study in MJ cohort
- Author
-
Zilong Bian, Luopiao Xu, Yuting Wang, Min-Kuang Tsai, David Ta-Wei Chu, Huakang Tu, Chi-Pang Wen, and Xifeng Wu
- Subjects
inflammation ,cancer incidence ,obesity ,cohort ,anthropometric ,Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
ObjectiveTo investigate the specific role of inflammation in the connection between obesity and the overall incidence of cancer.MethodsA total of 356,554 participants in MJ cohort study were included. Systemic inflammation markers from blood samples and anthropometric measurements were determined using professional instruments. The Cox model was adopted to evaluate the association.ResultsOver a median follow-up of 8.2 years, 9,048 cancer cases were identified. For individual systemic inflammation biomarkers, the overall cancer risk significantly escalated as blood C-reactive protein (CRP) (hazard ratio (HR)=1.036 (1.017-1.054)) and globulin (GLO) (HR=1.128 (1.105-1.152)) levels increased, and as hemoglobin (HEMO) (HR=0.863 (0.842-0.884)), albumin (ALB) (HR=0.846 (0.829-0.863)) and platelets (PLA) (HR=0.842 (0.827-0.858)) levels decreased. For composite indicators, most of them existed a significant relationship to the overall cancer risk. Most indicators were correlated with the overall cancer and obesity-related cancer risk, but there was a reduction of association with non-obesity related cancer risk. Most of indicators mediated the association between anthropometric measurements and overall cancer risk.ConclusionsSystemic inflammatory state was significantly associated with increased risks of cancer risk. Inflammation biomarkers were found to partly mediate the association between obesity and cancer risk.
- Published
- 2024
- Full Text
- View/download PDF
23. Preparation and Rheological Evaluation of Thiol–Maleimide/Thiol–Thiol Double Self-Crosslinking Hyaluronic Acid-Based Hydrogels as Dermal Fillers for Aesthetic Medicine
- Author
-
Chia-Wei Chu, Wei-Jie Cheng, Bang-Yu Wen, Yu-Kai Liang, Ming-Thau Sheu, Ling-Chun Chen, and Hong-Liang Lin
- Subjects
double self-crosslinked hydrogels (dscHA) ,hyaluronic acid (HA) ,thiol–maleimide click chemistry ,dermal fillers ,facial rejuvenation ,Science ,Chemistry ,QD1-999 ,Inorganic chemistry ,QD146-197 ,General. Including alchemy ,QD1-65 - Abstract
This study presents the development of thiol–maleimide/thiol–thiol double self-crosslinking hyaluronic acid-based (dscHA) hydrogels for use as dermal fillers. Hyaluronic acid with varying degrees of maleimide substitution (10%, 20%, and 30%) was synthesized and characterized, and dscHA hydrogels were fabricated using two molecular weights of four-arm polyethylene glycol (PEG10K/20K)–thiol as crosslinkers. The six resulting dscHA hydrogels demonstrated solid-like behavior with distinct physical and rheological properties. SEM analysis revealed a decrease in porosity with higher crosslinker MW and maleimide substitution. The swelling ratios of the six hydrogels reached equilibrium at approximately 1 h and ranged from 20% to 35%, indicating relatively low swelling. Degradation rates decreased with increasing maleimide substitution, while crosslinker MW had little effect. Higher maleimide substitution also required greater injection force. Elastic modulus (G′) in the linear viscoelastic region increased with maleimide substitution and crosslinker MW, indicating enhanced firmness. All hydrogels displayed similar creep-recovery behavior, showing instantaneous deformation under constant stress. Alternate-step strain tests indicated that all six dscHA hydrogels could maintain elasticity, allowing them to integrate with the surrounding tissue via viscous deformation caused by the stress exerted by changes in facial expression. Ultimately, the connection between the clinical performance of the obtained dscHA hydrogels used as dermal filler and their physicochemical and rheological properties was discussed to aid clinicians in the selection of the most appropriate hydrogel for facial rejuvenation. While these findings are promising, further studies are required to assess irritation, toxicity, and in vivo degradation before clinical use. Overall, it was concluded that all six dscHA hydrogels show promise as dermal fillers for various facial regions.
- Published
- 2024
- Full Text
- View/download PDF
24. Retrospective Study on Seismic Ionospheric Anomalies Based on Five-Year Observations from CSES
- Author
-
Rui Yan, Jianping Huang, Jian Lin, Qiao Wang, Zhenxia Zhang, Yanyan Yang, Wei Chu, Dapeng Liu, Song Xu, Hengxin Lu, Weixing Pu, Lu Wang, Na Zhou, Wenjing Li, Qiao Tan, and Zeren Zhima
- Subjects
China Seismo-Electromagnetic Satellite (CSES) ,payload ,seismic ionospheric anomaly ,retrospective study ,anomaly recognition rate ,Science - Abstract
The China Seismo-Electromagnetic Satellite (CSES-01) is the first satellite of the space-based observational platform for the earthquake (EQ) monitoring system in China. It aims to monitor the ionospheric disturbances related to EQ activities by acquiring global electromagnetic fields, ionospheric plasma, energy particles, etc., opening a new path for innovative explorations of EQ prediction. This study analyzed 47 shallow strong EQ cases (Ms ≥ 7 and depth ≤ 100 km) recorded by CSES-01 from its launch in February 2018 to February 2023. The results show that: (1) For the majority (90%) of shallow strong EQs, at least one payload onboard CSES-01 recorded discernible abnormal signals before the mainshocks, and for over 65% of EQs, two or three payloads simultaneously recorded ionospheric disturbances; (2) the majority of anomalies recorded by different payloads onboard CSES-01 predominantly manifest within one week before or on the mainshock day, or occasionally about 11–15 days or 20–25 days before the mainshock; (3) typically, the abnormal signal detected by CSES-01 does not directly appear overhead the epicenter, but rather hundreds of kilometers away from the epicenter, and more preferably toward the equatorward direction; (4) the anomaly recognition rate of each payload differs, with the highest rate reaching more than 70% for the Electric Field Detector (EFD), Search-Coil Magnetometer (SCM), and Langmuir Probe (LAP); (5) for the different parameters analyzed in this study, the plasma density from LAP, and electromagnetic field in the ULF band recorded by EFD and SCM, and energetic electrons from the High-Energy Particle Package (HEPP) show a relatively high occurrence of abnormal phenomena during the EQ time. Although CSES-01 has recorded prominent ionospheric anomalies for a significant portion of EQ cases, it is still challenging to accurately extract and confirm the real seismic precursor signals by relying solely on a single satellite. The combination of seismology, electromagnetism, geodesy, geochemistry, and other multidisciplinary means is needed in the future’s exploration to get infinitely closer to addressing the global challenge of EQ prediction.
- Published
- 2024
- Full Text
- View/download PDF
25. Novel machine learning algorithm in risk prediction model for pan-cancer risk: application in a large prospective cohort
- Author
-
Chi-Pang Wen, Xifeng Wu, Qingfeng Hu, Huakang Tu, Shan Pou Tsai, and David Ta-Wei Chu
- Subjects
Neoplasms. Tumors. Oncology. Including cancer and carcinogens ,RC254-282 - Abstract
Objective To develop and validate machine-learning models that predict the risk of pan-cancer incidence using demographic, questionnaire and routine health check-up data in a large Asian population.Methods and analysis This study is a prospective cohort study including 433 549 participants from the prospective MJ cohort including a male cohort (n=208 599) and a female cohort (n=224 950).Results During an 8-year median follow-up, 5143 cancers occurred in males and 4764 in females. Compared with Lasso-Cox and Random Survival Forests, XGBoost showed superior performance for both cohorts. The XGBoost model with all 155 features in males and 160 features in females achieved an area under the curve (AUC) of 0.877 and 0.750, respectively. Light models with 31 variables for males and 11 variables for females showed comparable performance: an AUC of 0.876 (95% CI 0.858 to 0.894) in the overall population and 0.818 (95% CI 0.795 to 0.841) in those aged ≥40 years in the male cohort and an AUC of 0.746 (95% CI 0.721 to 0.771) in the overall population and 0.641 (95% CI 0.605 to 0.677) in those aged ≥40 years in the female cohort. High-risk individuals have at least ninefold higher risk of pan-cancer incidence compared with low-risk groups.Conclusion We developed and internally validated the first machine-learning models based on routine health check-up data to predict pan-cancer risk in the general population and achieved generally good discriminatory ability with a small set of predictors. External validation is warranted before the implementation of our risk model in clinical practice.
- Published
- 2024
- Full Text
- View/download PDF
26. Significantly enhanced ion‐migration and sodium‐storage capability derived by strongly coupled dual interfacial engineering in heterogeneous bimetallic sulfides with densified carbon matrix
- Author
-
Wenxi Zhao, Xiaoqing Ma, Guangzhao Wang, Linglin Tan, Xinqin Wang, Xun He, Yan Wang, Yongsong Luo, Dongdong Zheng, Shengjun Sun, Qian Liu, Luming Li, Wei Chu, and Xuping Sun
- Subjects
anode materials ,bimetallic metal sulfides ,heterogeneous interface ,outer‐carbon skeleton ,sodium ion battery ,Materials of engineering and construction. Mechanics of materials ,TA401-492 ,Environmental engineering ,TA170-171 - Abstract
Abstract The development of highly efficient sodium‐ion batteries depends critically on the successful exploitation of advanced anode hosts that is capable of overcoming sluggish reaction kinetics while also withstanding severe structural deformation triggered by the large radius of Na+‐insertion. Herein, a hierarchically hybrid material with hetero‐Co3S4/NiS hollow nanosphere packaged into a densified N‐doped carbon matrix (Co3S4/NiS@N‐C) was designed and fabricated utilizing CoNi‐glycerate as the self‐sacrifice template, making the utmost of the synergistic effect of hetero‐Co3S4/NiS with strong electric field and rich reaction active‐sites together with the densified outer‐carbon scaffolds with remarkable electronic conductivity and robust mechanical toughness. As anticipated, as‐fabricated Co3S4/NiS@N‐C anode affords remarkable specific capacity, prolonged cycle lifespan up to 2 400 cycles with an only 0.05% fading each cycle at 20.0 A g−1, and excellent rate feature (354.9 mAh g−1 at 30.0 A g−1), one of the best performances for most existing Co3S4/NiS‐based anodes. Ex situ structural characterizations in tandem with theoretical analysis demonstrate the reversible insertion‐conversion mechanism of initially proceeding with Na+ de‐/intercalation and superior heterogeneous interfacial reaction behavior with strong Na+‐adsorption ability. Further, sodium‐ion full cell and hybrid capacitor based on Co3S4/NiS@N‐C anode exhibit impressive electrochemical characteristics on cycling performance and rate capability, showcasing its outstanding feasibility toward practical use.
- Published
- 2024
- Full Text
- View/download PDF
27. Revealing intact neuronal circuitry in centimeter-sized formalin-fixed paraffin-embedded brain
- Author
-
Ya-Hui Lin, Li-Wen Wang, Yen-Hui Chen, Yi-Chieh Chan, Shang-Hsiu Hu, Sheng-Yan Wu, Chi-Shiun Chiang, Guan-Jie Huang, Shang-Da Yang, Shi-Wei Chu, Kuo-Chuan Wang, Chin-Hsien Lin, Pei-Hsin Huang, Hwai-Jong Cheng, Bi-Chang Chen, and Li-An Chu
- Subjects
tissue clearing ,multiplexed staining ,FFPE ,archived tissues ,whole mouse brain imaging ,whole brain analysis ,Medicine ,Science ,Biology (General) ,QH301-705.5 - Abstract
Tissue-clearing and labeling techniques have revolutionized brain-wide imaging and analysis, yet their application to clinical formalin-fixed paraffin-embedded (FFPE) blocks remains challenging. We introduce HIF-Clear, a novel method for efficiently clearing and labeling centimeter-thick FFPE specimens using elevated temperature and concentrated detergents. HIF-Clear with multi-round immunolabeling reveals neuron circuitry regulating multiple neurotransmitter systems in a whole FFPE mouse brain and is able to be used as the evaluation of disease treatment efficiency. HIF-Clear also supports expansion microscopy and can be performed on a non-sectioned 15-year-old FFPE specimen, as well as a 3-month formalin-fixed mouse brain. Thus, HIF-Clear represents a feasible approach for researching archived FFPE specimens for future neuroscientific and 3D neuropathological analyses.
- Published
- 2024
- Full Text
- View/download PDF
28. Evaluating clinical efficacy of hospital-based surveillance with mammography and ultrasonography for breast cancer
- Author
-
Hsin-Ju Han, Ching-Shui Huang, Tzu-Pin Lu, Ling-Ming Tseng, Wei-Chu Chie, and Chi-Cheng Huang
- Subjects
Breast cancer ,Hospital cohort ,Surveillance ,Mammography ,Sonography ,Medicine (General) ,R5-920 - Abstract
Periodic mammography and/or sonography examinations are conducted across numerous hospitals nationalwidely, especially for antedees with a positive mammography screening. Despite the regular practice, clinical efficacy of hospital-based breast cancer surveillance remains unclear. Specifically, the impact of surveillance interval upon survival and prognostic surrogates stratified by menopausal status, as well as malignant transition rate should be deciphered. We retrieved cancer registry to ascertain 841 breast cancers with surveillance history through administration data. Healthy controls underwent breast surveillance and were concurrently free of cancer. More benign diseases rather than cancers were identified from premenopausal women (age ≤50 years) with sonography alone within one year, as well as older women (age >50) with both mammography and sonography one to two years before a cancer or benign diagnosis. Among breast cancers, mammography alone during the antecedent one to two years had a protective effect for diagnosing carcinoma in situ rather than invasive cancer (age-adjusted odds ratio: 0.048, P = 0.016). Three-state time homogeneous Markov model showed that hospital-based breast surveillance within 2 years of disease onset reduced the malignant transition rate by 65.16% (59.79–76.74%). The clinical efficacy of breast cancer surveillance was evidenced.
- Published
- 2024
- Full Text
- View/download PDF
29. Multipole engineering by displacement resonance: a new degree of freedom of Mie resonance
- Author
-
Yu-Lung Tang, Te-Hsin Yen, Kentaro Nishida, Chien-Hsuan Li, Yu-Chieh Chen, Tianyue Zhang, Chi-Kang Pai, Kuo-Ping Chen, Xiangping Li, Junichi Takahara, and Shi-Wei Chu
- Subjects
Science - Abstract
Abstract The canonical studies on Mie scattering unravel strong electric/magnetic optical responses in nanostructures, laying foundation for emerging meta-photonic applications. Conventionally, the morphology-sensitive resonances hinge on the normalized frequency, i.e. particle size over wavelength, but non-paraxial incidence symmetry is overlooked. Here, through confocal reflection microscopy with a tight focus scanning over silicon nanostructures, the scattering point spread functions unveil distinctive spatial patterns featuring that linear scattering efficiency is maximal when the focus is misaligned. The underlying physical mechanism is the excitation of higher-order multipolar modes, not accessible by plane wave irradiation, via displacement resonance, which showcases a significant reduction of nonlinear response threshold, sign flip in all-optical switching, and spatial resolution enhancement. Our result fundamentally extends the century-old light scattering theory, and suggests new dimensions to tailor Mie resonances.
- Published
- 2023
- Full Text
- View/download PDF
30. Toward sustainable heating: Assessment of the carbon mitigation potential from residential heating in northern rural China
- Author
-
Wang, Manyu and Wei, Chu
- Published
- 2024
- Full Text
- View/download PDF
31. Surfactant Protein A Inhibits Human Rhinovirus C Binding and Infection of Airway Epithelial Cells from Pediatric Asthma
- Author
-
Sasipa Tanyaratsrisakul, Yury A. Bochkov, Vanessa White, Heejung Lee, Jessica Loeffler, Jamie Everman, Allison M. Schiltz, Kristy L. Freeman, Katharine L. Hamlington, Elizabeth A. Secor, Nathan D. Jackson, Hong Wei Chu, Andrew H. Liu, Julie G. Ledford, Monica Kraft, Max A. Seibold, Dennis R. Voelker, and Mari Numata
- Subjects
pulmonary surfactant protein A ,human rhinovirus C ,pediatric asthma ,innate immunity ,Microbiology ,QR1-502 - Abstract
Rhinovirus C (RV-C) infection can trigger asthma exacerbations in children and adults, and RV-C-induced wheezing illnesses in preschool children correlate with the development of childhood asthma. Surfactant protein A (SP-A) plays a critical role in regulating pulmonary innate immunity by binding to numerous respiratory pathogens. Mature SP-A consists of multiple isoforms that form the hetero-oligomers of SP-A1 and SP-A2, organized in 18-mers. In this report, we examined the efficacy of SP-A to antagonize RV-C infection using the wild-type (RV-C15) and reporter-expressing (RV-C15-GFP) viruses in differentiated nasal epithelial cells (NECs) from asthmatic and non-asthmatic children. We also determined the antiviral mechanism of action of SP-A on RV-C15 infection. The native SP-A was purified from alveolar proteinosis patients. The recombinant (r) SP-A1 and SP-A2 variants were expressed in FreeStyle™ 293-F cells. SP-A reduced the fluorescent focus-forming units (FFUs) after RV-C15-GFP infection of NECs by 99%. Both simultaneous and 4 h post-infection treatment with SP-A inhibited RV-C15 and RV-C15-GFP viral RNA load by 97%. In addition, the antiviral genes and chemokines (IFN-λ, IRF-7, MDA-5, and CXLC11) were not induced in the infected NECs due to the inhibition of RV-C propagation by SP-A. Furthermore, SP-A bound strongly to RV-C15 in a dose- and Ca2+-dependent manner, and this interaction inhibited RV-C15 binding to NECs. In contrast, rSP-A1 did not bind to solid-phase RV-C15, whereas the rSP-A2 variants, [A91, K223] and [P91, Q223], had strong binding affinities to RV-C15, similar to native SP-A. This study demonstrates that SP-A might have potential as an antiviral for RV infection and RV-induced asthma exacerbations.
- Published
- 2024
- Full Text
- View/download PDF
32. The Effect of a TLR3 Agonist on Airway Allergic Inflammation and Viral Infection in Immunoproteasome-Deficient Mice
- Author
-
Niccolette Schaunaman, Taylor Nichols, Diana Cervantes, Paige Hartsoe, Deborah A. Ferrington, and Hong Wei Chu
- Subjects
immunoproteasome ,rhinovirus ,allergic asthma ,Microbiology ,QR1-502 - Abstract
Allergic asthma is characterized by increased type 2 inflammation, including eosinophils. Subjects with allergic asthma have recurrent symptoms due to their constant exposure to environmental allergens, such as house dust mite (HDM), which can be further exacerbated by respiratory infections like rhinovirus. The immunoproteasome (IP) is a proteolytic machinery that is induced by inflammatory mediators during virus infection, but the role of the IP in airway allergic inflammation during rhinovirus infection remains unknown. Wild-type (WT) and IP knockout (KO) mice were challenged with HDM. At 48 h after the last HDM challenge, mice were infected with rhinovirus 1B (RV-A1B) for 24 h. After HDM and RV-A1B treatment, IP KO (vs. WT) mice had significantly more lung eosinophils and neutrophils, as well as a significantly higher viral load, but less IFN-beta expression, compared to WT mice. A TLR3 agonist polyinosinic-polycytidylic acid (Poly I:C) treatment after RV-A1B infection in HDM-challenged IP KO mice significantly increased IFN-beta expression and reduced viral load, with a minimal effect on the number of inflammatory cells. Our data suggest that immunoproteasome is an important mechanism functioning to prevent excessive inflammation and viral infection in allergen-exposed mice, and that Poly I:C could be therapeutically effective in enhancing the antiviral response and lessening the viral burden in lungs with IP deficiency.
- Published
- 2024
- Full Text
- View/download PDF
33. Fuzzy optimization for identifying antiviral targets for treating SARS-CoV-2 infection in the heart
- Author
-
Sz-Wei Chu and Feng-Sheng Wang
- Subjects
Flux balance analysis ,Genome-scale metabolic model ,Constraint-based modeling ,Drug discovery ,Hybrid differential evolution ,Multi-level optimization ,Computer applications to medicine. Medical informatics ,R858-859.7 ,Biology (General) ,QH301-705.5 - Abstract
Abstract In this paper, a fuzzy hierarchical optimization framework is proposed for identifying potential antiviral targets for treating severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in the heart. The proposed framework comprises four objectives for evaluating the elimination of viral biomass growth and the minimization of side effects during treatment. In the application of the framework, Dulbecco’s modified eagle medium (DMEM) and Ham’s medium were used as uptake nutrients on an antiviral target discovery platform. The prediction results from the framework reveal that most of the antiviral enzymes in the aforementioned media are involved in fatty acid metabolism and amino acid metabolism. However, six enzymes involved in cholesterol biosynthesis in Ham’s medium and three enzymes involved in glycolysis in DMEM are unable to eliminate the growth of the SARS-CoV-2 biomass. Three enzymes involved in glycolysis, namely BPGM, GAPDH, and ENO1, in DMEM combine with the supplemental uptake of L-cysteine to increase the cell viability grade and metabolic deviation grade. Moreover, six enzymes involved in cholesterol biosynthesis reduce and fail to reduce viral biomass growth in a culture medium if a cholesterol uptake reaction does not occur and occurs in this medium, respectively.
- Published
- 2023
- Full Text
- View/download PDF
34. Estimation of biomass energy consumption in rural China
- Author
-
HAN Xiao, WEI Chu, WU Shimei
- Subjects
rural energy ,biomass consumption ,multi-source heterogeneous database ,statistical inference ,bayesian spatiotemporal model ,china ,Environmental sciences ,GE1-350 ,Biology (General) ,QH301-705.5 - Abstract
[Objective] Rural biomass energy is vital for implementing the rural revitalization and carbon neutrality strategies. However, the absence of a biomass energy statistical system hindered data-based academic research and targeted decision making. [Methods] To fill this research gap, this study integrated various micro household survey data and established a large-sample multi-source heterogeneous dataset—the Chinese Rural Household Energy Consumption dataset. We then applied the Bayesian spatiotemporal model to estimate the historical data of China’s rural biomass energy consumption from 1992 to 2016. [Results] The results show that: (1) During 1992-2016, biomass consumption in rural areas of China experienced a decline, from 195 million tons of standard coal in 1992 to 125 million tons in 2016, with an annual average decline of 1.7%. Since the “energy consumption revolution” initiative was put forward, the decline of rural biomass consumption has obviously accelerated, with an annual average decline of 3.8%, indicating that the “energy consumption revolution” initiative has been very effective and greatly promoted the transformation of rural energy consumption. (2) During 1992-2016, the number of rural households using biomass also continued to decline, with the number of households using firewood and straw reduced by nearly 50%. (3) Biomass consumption is mainly concentrated in the western and northeastern regions, where firewood consumption accounts for about 80% of national consumption, and straw consumption accounts for about 65%-70%. [Conclusion] The framework and methods of this study are helpful for solving the problem of missing data in academic research, and the research conclusions can provide a theoretical support for improving the level of high-quality energy use in remote rural areas of China.
- Published
- 2023
- Full Text
- View/download PDF
35. Association between plant-based dietary pattern and biological aging trajectory in a large prospective cohort
- Author
-
Sicong Wang, Wenyuan Li, Shu Li, Huakang Tu, Junlin Jia, Wenting Zhao, Andi Xu, Wenxin Xu, Min Kuang Tsai, David Ta-Wei Chu, Chi Pang Wen, and Xifeng Wu
- Subjects
Aging trajectory ,All-cause mortality ,Plant-based diet index ,Diet quality ,Cohort ,Medicine - Abstract
Abstract Background Aging is a dynamic and heterogeneous process that may better be captured by trajectories of aging biomarkers. Biological age has been advocated as a better biomarker of aging than chronological age, and plant-based dietary patterns have been found to be linked to aging. However, the associations of biological age trajectories with mortality and plant-based dietary patterns remained unclear. Methods Using group-based trajectory modeling approach, we identified distinctive aging trajectory groups among 12,784 participants based on a recently developed biological aging measure acquired at four-time points within an 8-year period. We then examined associations between aging trajectories and quintiles of plant-based dietary patterns assessed by overall plant-based diet index (PDI), healthful PDI (hPDI), and unhealthful PDI (uPDI) among 10,191 participants who had complete data on dietary intake, using multivariable multinomial logistics regression adjusting for sociodemographic and lifestyles factors. Cox proportional hazards regression models were applied to investigate the association between aging trajectories and all-cause mortality. Results We identified three latent classes of accelerated aging trajectories: slow aging, medium-degree, and high-degree accelerated aging trajectories. Participants who had higher PDI or hPDI had lower odds of being in medium-degree (OR = 0.75, 95% CI: 0.65, 0.86 for PDI; OR = 0.73, 95% CI: 0.62, 0.85 for hPDI) or high-degree (OR = 0.63, 95% CI: 0.46, 0.86 for PDI; OR = 0.62, 95% CI: 0.44, 0.88 for hPDI) accelerated aging trajectories. Participants in the highest quintile of uPDI were more likely to be in medium-degree (OR = 1.72, 95% CI: 1.48, 1.99) or high-degree (OR = 1.70, 95% CI: 1.21, 2.38) accelerated aging trajectories. With a mean follow-up time of 8.40 years and 803 (6.28%) participants died by the end of follow-up, we found that participants in medium-degree (HR = 1.56, 95% CI: 1.29, 1.89) or high-degree (HR = 3.72, 95% CI: 2.73, 5.08) accelerated aging trajectory groups had higher risks of death than those in the slow aging trajectory. Conclusions We identified three distinctive aging trajectories in a large Asian cohort and found that adopting a plant-based dietary pattern, especially when rich in healthful plant foods, was associated with substantially lowered pace of aging.
- Published
- 2023
- Full Text
- View/download PDF
36. 6-Year trajectory of fasting plasma glucose (FPG) and mortality risk among individuals with normal FPG at baseline: a prospective cohort study
- Author
-
Wanlu Li, Chi Pang Wen, Wenyuan Li, Zhijun Ying, Sai Pan, Yizhan Li, Zecheng Zhu, Min Yang, Huakang Tu, Yi Guo, Zhenya Song, David Ta-Wei Chu, and Xifeng Wu
- Subjects
Fasting plasma glucose ,Mortality ,Epidemiology ,Longitudinal change ,Cohort analysis ,Glucose homeostasis ,Nutritional diseases. Deficiency diseases ,RC620-627 - Abstract
Abstract Background Higher fasting plasma glucose (FPG) levels were associated with an increased risk of all-cause mortality; however, the associations between long-term FPG trajectory groups and mortality were unclear, especially among individuals with a normal FPG level at the beginning. The aims of this study were to examine the associations of FPG trajectories with the risk of mortality and identify modifiable lifestyle factors related to these trajectories. Methods We enrolled 50,919 individuals aged ≥ 20 years old, who were free of diabetes at baseline, in the prospective MJ cohort. All participants completed at least four FPG measurements within 6 years after enrollment and were followed until December 2011. FPG trajectories were identified by group-based trajectory modeling. We used Cox proportional hazards models to examine the associations of FPG trajectories with mortality, adjusting for age, sex, marital status, education level, occupation, smoking, drinking, physical activity, body mass index, baseline FPG, hypertension, dyslipidemia, cardiovascular disease or stroke, and cancer. Associations between baseline lifestyle factors and FPG trajectories were evaluated using multinomial logistic regression. Results We identified three FPG trajectories as stable (n = 32,481), low-increasing (n = 17,164), and high-increasing (n = 1274). Compared to the stable group, both the low-increasing and high-increasing groups had higher risks of all-cause mortality (hazard ratio (HR) = 1.18 (95% CI 0.99–1.40) and 1.52 (95% CI 1.09–2.13), respectively), especially among those with hypertension. Compared to participants with 0 to 1 healthy lifestyle factor, those with 6 healthy lifestyle factors were more likely to be in the stable group (ORlow-increasing = 0.61, 95% CI 0.51–0.73; ORhigh-increasing = 0.20, 95% CI 0.13–0.32). Conclusions Individuals with longitudinally increasing FPG had a higher risk of mortality even if they had a normal FPG at baseline. Adopting healthy lifestyles may prevent individuals from transitioning into increasing trajectories.
- Published
- 2023
- Full Text
- View/download PDF
37. First case of a reversed Parabothus taiwanensis Amaoka & Shen, 1993 from Taiwan (Pleuronectiformes: Bothidae), with first evidence of situs inversus viscerum in bothid
- Author
-
Yo Su, Hsuan-Ching Ho, and Tah-Wei Chu
- Subjects
Abnormality ,Morphology ,Reversed eye ,Flatfish ,Ichthyology ,Dextral ,Medicine ,Biology (General) ,QH301-705.5 - Abstract
Background Reversed condition is rarely found in most flatfishes in natural environment, except for some certain species. The mechanism controlling the reversals in flatfishes has been studied in some cultivated species, whereas some have only few cases for the entire family and remain unclear. Here, we report the first record of a dextral (reversed) specimen of Parabothus taiwanensis Amaoka & Shen, 1993 collected off southwestern Taiwan recently. It represents the second reversed case ever recorded in Bothidae. We aim to provide a detailed description of this dextral specimen and compared to the sinistral (normal) specimens collected from the vicinity. Methods Specimens were fixed in 4% formaldehyde and transferred to 70% ethanol for preservation. Meristic and morphometric characters were examined for both dextral and sinistral specimens. Dissections were made on specimens to confirm the position of internal organs. Lastly, X-radiographs were taken to elucidate the osteological features. Results As a result, no differences of both meristic and morphometric characters were observed between the dextral and sinistral specimens. Nevertheless, situs inversus viscerum is discovered in the dextral specimen for the first time in Bothidae and the sixth record within flatfishes.
- Published
- 2024
- Full Text
- View/download PDF
38. Case report: Whole exome sequencing identified a novel mutation (p.Y301H) of MAF in a Chinese family with congenital cataracts
- Author
-
Zhao-Jing Lin, Jie-Yi Long, Juan Li, Fang-Na Wang, Wei Chu, Lei Zhu, Ya-Li Li, and Liang-Liang Fan
- Subjects
congenital cataract ,inherited cataract ,MAF ,whole exome sequencing ,missense mutation ,Medicine (General) ,R5-920 - Abstract
BackgroundCongenital cataracts stand as the primary cause of childhood blindness globally, characterized by clouding of the eye’s lens at birth or shortly thereafter. Previous investigations have unveiled that a variant in the V-MAF avian musculoaponeurotic-fibrosarcoma oncogene homolog (MAF) gene can result in Ayme-Gripp syndrome and solitary cataract. Notably, MAF mutations have been infrequently reported in recent years.MethodsIn this investigation, we recruited a Chinese family with non-syndromic cataracts. Whole exome sequencing and Sanger sequencing were applied to scrutinize the genetic anomaly within the family.ResultsThrough whole exome sequencing and subsequent data filtration, a new mutation (NM_005360, c.901T>C/p.Y301H) in the MAF gene was detected. Sanger sequencing validated the presence of this mutation in another affected individual. The p.Y301H mutation, situated in an evolutionarily preserved locus, was not detected in our 200 local control cohorts and various public databases. Additionally, multiple bioinformatic programs predicted that the mutation was deleterious and disrupted the bindings between MAF and its targets.ConclusionHence, we have documented a new MAF mutation within a Chinese family exhibiting isolated congenital cataracts. Our study has the potential to broaden the spectrum of MAF mutations, offering insights into the mechanisms underlying cataract formation and facilitating genetic counseling and early diagnosis for congenital cataract patients.
- Published
- 2024
- Full Text
- View/download PDF
39. Risk factor analysis and nomogram for predicting gastroparesis in patients with type 2 diabetes mellitus
- Author
-
Hai-Liang Yuan, Xian Zhang, Wei-Wei Chu, Guan-Bin Lin, and Chun-Xia Xu
- Subjects
Gastroparesis ,Type 2 diabetes mellitus ,Model ,Nomogram ,Prediction ,Science (General) ,Q1-390 ,Social sciences (General) ,H1-99 - Abstract
Purpose: The incidence of gastroparesis is higher in individuals diagnosed with type 2 diabetes mellitus (T2DM) compared to the healthy individuals. Our study aimed to explore the risk factors for gastroparesis in T2DM and to establish a clinical prediction model (nomogram). Methods: Our study enlisted 694 patients with T2DM from two medical centers over a period of time. From January 2020 to December 2022, 347 and 149 patients were recruited from the Beilun branch of Zhejiang University's First Affiliated Hospital in the training and internal validation cohorts, respectively. The external validation cohort consisted of 198 patients who were enrolled at Nanchang University's First Affiliated Hospital from October 2020 to September 2021. We conducted univariate and multivariate logistic regression analyses to select the risk factors for gastroparesis in patients with T2DM; subsequently,we developed a nomogram model. The performance of the nomogram was evaluated using the area under the receiver operating characteristic (ROC) curve (AUC), calibration curve, and decision curve analysis(DCA). Results: Four clinical variables, including age, regular exercise, glycated hemoglobin level(HbA1c), and Helicobacter pylori (H. pylori) infection, were identified and included in the model. The model demonstrated excellent discrimination, with an AUC of 0.951 (95% CI = 0.925–0.978) in the training group, and 0.910 (95% CI = 0.859–0.961) and 0.875 (95% CI = 0.813–0.937) in the internal and external validation groups, respectively. The calibration curve showed good consistency between prediction of the model and observed gastroparesis. The DCA also demonstrated good clinical efficacy. Conclusion: The nomogram model developed in this study showed good performance in predicting gastroparesis in patients with T2DM.
- Published
- 2024
- Full Text
- View/download PDF
40. Aging, generational shifts, and energy consumption in urban China
- Author
-
Han, Xiao, Wei, Chu, and Cao, Gui-Ying
- Published
- 2022
41. Evaluating clinical efficacy of hospital-based surveillance with mammography and ultrasonography for breast cancer
- Author
-
Han, Hsin-Ju, Huang, Ching-Shui, Lu, Tzu-Pin, Tseng, Ling-Ming, Chie, Wei-Chu, and Huang, Chi-Cheng
- Published
- 2024
- Full Text
- View/download PDF
42. Current status and scientific progress of the Zhangheng-1 satellite mission
- Author
-
Zhima Zeren, Dapeng Liu, Xiaoying Sun, Yanyan Yang, Shufan Zhao, Rui Yan, Zhenxia Zhang, He Huang, Dehe Yang, Jie Wang, Wei Chu, Qiao Wang, Song Xu, Yunpeng Hu, Jian Lin, Qiao Tan, Jianping Huang, Hengxin Lu, Feng Guo, Na Zhou, Wenjing Li, and Xuhui Shen
- Subjects
zhangheng-1 ,electromagnetic satellite ,in-orbit status ,data quality ,geomagnetic field model ,seismic ionospheric disturbances ,space weather event ,the lithosphere-atmosphere-ionosphere coupling mechanism ,Geophysics. Cosmic physics ,QC801-809 ,Astrophysics ,QB460-466 - Abstract
The Zhangheng-1 electromagnetic satellite is the space-based observation platform of China's stereoscopic earthquake observation system. Its scientific objective is to obtain the global geomagnetic field, electromagnetic field (waves), ionospheric plasma parameters, and high-energy particles for monitoring the dynamic variation of the ionosphere and the seismo-ionospheric disturbances over China and its surrounding areas to compensate for the deficiency of the ground-based observation system. The project explores new ways of earthquake monitoring and prediction by using space science. The first test probe of the Zhangheng-1 electromagnetic satellite series was successfully launched in February 2018, and has been stably operating in orbit for more than four years. The second is an operational probe that will be launched in early 2023. The in-flight commissioning test and cross-calibration work show that the Zhangheng-1 electromagnetic satellite can provide good data quality to support geophysics and space physics studies, and has obtained valuable scientific results in recent years. The global geomagnetic reference model built by Zhenghang-1 data is the first global geomagnetic field model built using only Chinese satellite data, allowing Chinese scientists to take an important role in the computation of the global geomagnetic reference model (IGRF) for the first time in over a century. The ionospheric electron density 3D model based on Zhangheng-1 satellite data can present the ionospheric structure characteristics. In natural hazards monitoring, Zhangheng-1 has shown good response ability to disturbances related to earthquakes, volcano eruptions, and geomagnetic storms. In terms of the lithosphere-atmosphere-ionosphere coupling mechanism study, the full-wave calculation method can provide the electromagnetic field changes between the lithosphere-ionosphere waveguide and the ionospheric wave propagation feature. The results from the full-wave model prove the capability of the Zhangheng-1 satellite's electromagnetic payloads to detect low-frequency electromagnetic emissions induced from the earthquake epicenter. The simulation and observation studies suggest that the Zhangheng-1 satellite can reflect seismic activities, very low frequency (VLF) transmitter, magnetic anomalies in the lithosphere, and lightning activities in the atmosphere. These recent scientific results show that the Zhangheng-1 electromagnetic satellite is consistent with other similar types of electromagnetic satellites worldwide, indicating its great potential in scientific application.
- Published
- 2023
- Full Text
- View/download PDF
43. Enhancing light extraction efficiency and color stability for OLED by truncated micro-cone array films
- Author
-
Sun, Wei-Chu, Hsu, Ben, Chen, Su-Hua, Wei, Mao-Kuo, and Lin, Bo-Yen
- Published
- 2023
- Full Text
- View/download PDF
44. Reliability of inelastic wind excited structures by dynamic shakedown and adaptive fast nonlinear analysis (AFNA)
- Author
-
Li, Bowei, Chuang, Wei-Chu, and Spence, Seymour M.J.
- Published
- 2023
- Full Text
- View/download PDF
45. Machine Learning Prediction of Prediabetes in a Young Male Chinese Cohort with 5.8-Year Follow-Up
- Author
-
Chi-Hao Liu, Chun-Feng Chang, I-Chien Chen, Fan-Min Lin, Shiow-Jyu Tzou, Chung-Bao Hsieh, Ta-Wei Chu, and Dee Pei
- Subjects
machine learning ,prediabetes ,young men ,Chinese ,Medicine (General) ,R5-920 - Abstract
The identification of risk factors for future prediabetes in young men remains largely unexamined. This study enrolled 6247 young ethnic Chinese men with normal fasting plasma glucose at the baseline (FPGbase), and used machine learning (Mach-L) methods to predict prediabetes after 5.8 years. The study seeks to achieve the following: 1. Evaluate whether Mach-L outperformed traditional multiple linear regression (MLR). 2. Identify the most important risk factors. The baseline data included demographic, biochemistry, and lifestyle information. Two models were built, where Model 1 included all variables and Model 2 excluded FPGbase, since it had the most profound effect on prediction. Random forest, stochastic gradient boosting, eXtreme gradient boosting, and elastic net were used, and the model performance was compared using different error metrics. All the Mach-L errors were smaller than those for MLR, thus Mach-L provided the most accurate results. In descending order of importance, the key factors for Model 1 were FPGbase, body fat (BF), creatinine (Cr), thyroid stimulating hormone (TSH), WBC, and age, while those for Model 2 were BF, white blood cell, age, TSH, TG, and LDL-C. We concluded that FPGbase was the most important factor to predict future prediabetes. However, after removing FPGbase, WBC, TSH, BF, HDL-C, and age were the key factors after 5.8 years.
- Published
- 2024
- Full Text
- View/download PDF
46. Next-visit prediction and prevention of hypertension using large-scale routine health checkup data.
- Author
-
Chung-Che Wang, Ta-Wei Chu, and Jyh-Shing Roger Jang
- Subjects
Medicine ,Science - Abstract
This paper proposes the use of machine learning models to predict one's risk of having hypertension in the future using their routine health checkup data of their current and past visits to a health checkup center. The large-scale and high-dimensional dataset used in this study comes from MJ Health Research Foundation in Taiwan. The training data for models is separated into 5 folds and used to train 5 models in a 5-fold cross validation manner. While predicting the results for the test set, the voted result of 5 models is used as the final prediction. Experimental results show that our models achieve 69.59% of precision, 77.90% of recall, and 73.51% of F1-score, which outperforms a baseline using only the blood pressure of visitors' last visits. Experiments also show that a visitor who performs a health checkup more often can be predicted better, and models trained with selected important factors achieve better results than those trained with Framingham risk score. We also demonstrate the possibility of using our models to suggest visitors for weight control by adding virtual visits that assume their body weight can be reduced in the near future to model input. Experimental results show that around 5.48% of the people who are with high Body Mass Index of the true positive cases are rejudged as negative, and a rising trend appears when adding more virtual visits, which may be used to suggest visitors that controlling their body weight for a longer time lead to lower probability of having hypertension in the future.
- Published
- 2024
- Full Text
- View/download PDF
47. Production and characterization of single-chain variable fragment antibodies targeting the breast cancer tumor marker nectin-4
- Author
-
Ching-Hsuan Liu, Sy-Jye Leu, Chi-Hsin Lee, Cheng-Yuan Lin, Wei-Chu Wang, Bor-Yu Tsai, Yu-Ching Lee, Chi-Long Chen, Yi-Yuan Yang, and Liang-Tzung Lin
- Subjects
phage display ,single-chain variable fragment antibody ,nectin-4 ,tumor marker ,breast cancer ,Immunologic diseases. Allergy ,RC581-607 - Abstract
BackgroundNectin-4 is a novel biomarker overexpressed in various types of cancer, including breast cancer, in which it has been associated with poor prognosis. Current literature suggests that nectin-4 has a role in cancer progression and may have prognostic and therapeutic implications. The present study aims to produce nectin-4-specific single-chain variable fragment (scFv) antibodies and evaluate their applications in breast cancer cell lines and clinical specimens.MethodsWe generated recombinant nectin-4 ectodomain fragments as immunogens to immunize chickens and the chickens' immunoglobulin genes were amplified for construction of anti-nectin-4 scFv libraries using phage display. The binding capacities of the selected clones were evaluated with the recombinant nectin-4 fragments, breast cancer cell lines, and paraffin-embedded tissue sections using various laboratory approaches. The binding affinity and in silico docking profile were also characterized.ResultsWe have selected two clones (S21 and L4) from the libraries with superior binding capacity. S21 yielded higher signals when used as the primry antibody for western blot analysis and flow cytometry, whereas clone L4 generated cleaner and stronger signals in immunofluorescence and immunohistochemistry staining. In addition, both scFvs could diminish attachment-free cell aggregation of nectin-4-positive breast cancer cells. As results from ELISA indicated that L4 bound more efficiently to fixed nectin-4 ectodomain, molecular docking analysis was further performed and demonstrated that L4 possesses multiple polar contacts with nectin-4 and diversity in interacting residues.ConclusionOverall, the nectin-4-specific scFvs could recognize nectin-4 expressed by breast cancer cells and have the merit of being further explored for potential diagnostic and therapeutic applications.
- Published
- 2024
- Full Text
- View/download PDF
48. Experience and acceptability for HPV self-sampling among women in Jiangsu province, China: a cross-sectional survey
- Author
-
Shui-Xiang Qu, Yi-Hua Ni, Jian-Fen Qin, Xiao-Yan Chen, Wei-Li Wu, and Wei-Chu Zhang
- Subjects
human papillomavirus ,self-sampling ,cervical cancer ,screening ,acceptability ,gynecological oncology ,Gynecology and obstetrics ,RG1-991 - Abstract
This aim of this study was to investigate women’s knowledge about HPV along with their experience and acceptability of self-sampling in Jiangsu province, China. A total of 862 women aged 25–63 years old from Jiangsu province who purchased an HPV self-sampling test kit were invited to complete a questionnaire designed by the authors. Participants had high acceptability for HPV self-sampling with a mean score of 4.2 (95% [CI], 4.1–4.22) out of 5 points. 27% of participants preferred clinician-sampling, 33% preferred self-sampling, other 40% expressed no preference. Women with good knowledge about HPV and with a good experience with HPV self-sampling were more acceptable for self-sampling (P
- Published
- 2023
- Full Text
- View/download PDF
49. Enhancing light extraction efficiency and color stability for OLED by truncated micro-cone array films
- Author
-
Wei-Chu Sun, Ben Hsu, Su-Hua Chen, Mao-Kuo Wei, and Bo-Yen Lin
- Subjects
Organic light-emitting diodes ,Light extraction ,Microlens ,Optics. Light ,QC350-467 - Abstract
A newly truncated micro-cone array film as light extraction layer for organic light emitting diodes (OLEDs) has been developed, which was fabricated by process combined with photolithography, polydimethylsiloxane (PDMS) molding, self-assembled anti-adhesion, and ultraviolet (UV) forming techniques. In this study, by varying the sidewall angle and fill factor of this film, their influences on the optical properties and light extraction efficiency for OLED are fully investigated. As a result, device performance of OLED employed truncated micro-cone array film, with a high fill factor and sidewall angle of 76.49⁰, was found to be significantly enhanced up to 52% compared with the reference OLED. Notably, the proposed truncated micro-cone array film also stabilized emissive color stability while the viewing angle changes from 0° to 70°, achieving an excellent angular shift with CIE-indices of (0.0025, 0.0066). Aforementioned findings contribute to the development in advanced OLEDs for display and lighting applications.
- Published
- 2023
- Full Text
- View/download PDF
50. Tollip deficiency exaggerates airway type 2 inflammation in mice exposed to allergen and influenza A virus: role of the ATP/IL-33 signaling axis
- Author
-
Hamid Reza Nouri, Niccolette Schaunaman, Monica Kraft, Liwu Li, Mari Numata, and Hong Wei Chu
- Subjects
extracellular ATP ,IL-33 ,influenza A virus ,Th2 inflammation ,Tollip deficiency ,Immunologic diseases. Allergy ,RC581-607 - Abstract
Toll-interacting protein (Tollip) is a negative regulator of the pro-inflammatory response to viruses, including influenza A virus (IAV). Genetic variation of Tollip has been associated with reduced airway epithelial Tollip expression and poor lung function in patients with asthma. Whether Tollip deficiency exaggerates type 2 inflammation (e.g., eosinophils) and viral infection in asthma remains unclear. We sought to address this critical, but unanswered question by using a Tollip deficient mouse asthma model with IAV infection. Further, we determined the underlying mechanisms by focusing on the role of the ATP/IL-33 signaling axis. Wild-type and Tollip KO mice were intranasally exposed to house dust mite (HDM) and IAV with or without inhibitors for IL-33 (i.e., soluble ST2, an IL-33 decoy receptor) and ATP signaling (i.e., an antagonist of the ATP receptor P2Y13). Tollip deficiency amplified airway type 2 inflammation (eosinophils, IL-5, IL-13 and mucins), and the release of ATP and IL-33. Blocking ATP receptor P2Y13 decreased IL-33 release during IAV infection in HDM-challenged Tollip KO mice. Furthermore, soluble ST2 attenuated airway eosinophilic inflammation in Tollip KO mice treated with HDM and IAV. HDM challenges decreased lung viral load in wild-type mice, but Tollip deficiency reduced the protective effects of HDM challenges on viral load. Our data suggests that during IAV infection, Tollip deficiency amplified type 2 inflammation and delayed viral clearance, in part by promoting ATP signaling and subsequent IL-33 release. Our findings may provide several therapeutic targets, including ATP and IL-33 signaling inhibition for attenuating excessive airway type 2 inflammation in human subjects with Tollip deficiency and IAV infection.
- Published
- 2023
- Full Text
- View/download PDF
Catalog
Discovery Service for Jio Institute Digital Library
For full access to our library's resources, please sign in.