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Risk factors predict microscopic extranodal tumor deposits in advanced stage Ⅲ colon cancer patients

World Journal of Gastroenterology 2023年第11期29卷 1735-1744页

作者： Yi-Han Jhuang yu-ching chou yu-Chun Lin Je-Ming Hu Ta-Wei Pu Chao-Yang Chen Division of Cardiovascular Surgery Tri-Service General HospitalNational Defense Medical CenterTaipei 114TaiwanChina School of Public Health National Defense Medical CenterTaipei 114TaiwanChina Department of Pathology Tri-Service General HospitalNational Defense Medical CenterTaipei 114TaiwanChina Division of Colorectal Surgery Tri-Service General HospitalNational Defense Medical CenterTaipei 114TaiwanChina Division of Colorectal Surgery Tri-Service General Hospital Song-shan BranchNational Defense Medical CenterTaipei 114TaiwanChina

BACKGROUND Colorectal cancer is a frequent cause of cancer-related mortality in patients with lymph node or distant *** tumor deposits(TDs)are considered prognostically distinct from lymph node *** To investigate risk factors for extranodal TDs in stage III colon *** This was a retrospective cohort *** selected 155 individuals diagnosed with stage III colon cancer from the database of the Cancer Registry of the Tri-Service General *** patients were allocated into the groups with/without *** Cox regression analysis and Kaplan-Meier method were *** primary outcomes investigate the association between the covariates and extranodal TDs,and prognostic significance of the covariates regarding the *** There were 136 individuals in the non-N1c group and 19 individuals in the N1c *** with lymphovascular invasion(LVI)had a higher risk of *** survival rates of patients with and without LVI were 6.64 years and 8.61 years,respectively(P=0.027).The N1c patients without LVI had higher overall survival than those who with LVI(7.73 years vs 4.42 years,P=0.010).CONCLUSION Patients having stage III colon cancer with LVI have a higher probability of having TDs than those with stage III colon cancer without *** III colon cancer patients with TDs and LVI could have poor prognosis and outcome.

关键词： Colon cancer Tumor deposits Lymphovascular invasion Risk factor

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Serum lipid profiles are associated with semen quality

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Asian Journal of Andrology 2017年第6期19卷 633-638页

作者： Chin-yu Liu yu-ching chou Shyh-Hsiang Lin Sheng-Tang Wu Tai-Lung Cha Hong-I Chen Chih-Wei Tsao Department of Nutritional Science Fu Jen Catholic University New Taipei City Taiwan China School of Public Health National Defense Medical Center Taipei Taiwan China School of Nutrition and Health Sciences College of Nutrition Taipei Medical University Taipei Taiwan China Division of Urology Department of Surgery Tri-Service General Hospital National Defense Medical Center Taipei Taiwan China Graduate Institute of Medical Sciences Chang Jung Christian University Tainan Taiwan China

We aimed to explore the associations between different lipid profiles and semen quality in a large-scale general male population. Sperm concentration, total sperm motility, progressive motility, and normal sperm morphology of total 7601 participants were recorded. The association of these semen parameters with the triglyceride, total cholesterol, high-density lipoprotein, low-density lipoprotein, and very low-density lipoprotein of serum lipid profiles was analyzed. Sperm concentration was statistically positively correlated with triglyceride and very low-density lipoprotein （adjusted P= 0.001 and P= 0.005, respectively）. Total sperm motility and progressive motility were statistically increased with increasing low-density lipoprotein and cholesterol levels （both adjusted P = 0.008 and P 〈 0.001, respectively）. The similar J-shaped associations （high-low-low-high） were noted between individual lipid profile and normal sperm morphology, especially low-density lipoprotein and cholesterol with statistical significance （adjusted P = 0.017 and P= 0.021, respectively）. The prevalence of abnormal total sperm motility and progressive motility was decreased in participants with high levels of cholesterol （P = 0.008 and P = 0.019, respectively）, and the reverse J-shaped associations （low-high-high-low） were noted between high-density lipoprotein, triglyceride, very low-density lipoprotein, and the prevalence of abnormal normal sperm morphology （P = 0.010, P = 0.037, and P = 0.025, respectively）. A high cholesterol level was associated with better sperm motility. Similar J-shaped associations were noted between all lipid profiles and normal sperm morphology; meanwhile, the reverse J-shaped trends were identified between them and abnormal normal sperm morphology prevalence.

关键词： cholesterol general population lipoprotein semen quality triglyceride

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Efficacy and safety of transnasal butorphanol for pain relief after anal surgery

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World Journal of Gastroenterology 2009年第38期15卷 4829-4832页

作者： Chen-Ming Mai Liang-Tsai Wan yu-ching chou Hsiang-yu Yang Chang-Chieh Wu Shu-Wen Jao Cheng-Wen Hsiao Department of Surgery Huailien Armed Forces General Hospital Huailien 97144 Taiwan China Division of Colorectal Surgery Department of Surgery Tri-Service General Hospital National Defense University Taipei 11490 Taiwan China School of Public Health National Defense Medical Center Taipei 11490 Taiwan China

AIM:To compare the analgesic properties and efficacy of transnasal butorphanol with intramuscular meperidine after anal ***: Sixty patients who underwent fistulectomy were enrolled in the study from January 2006 to December 2007. They were randomly divided into transnasal butorphanol (n=30) or intramuscular meperidine (n=30) treatment groups. Assessment of postoperative pain was made using a visual analogue scale (VAS). The VAS score was recorded 6 h after the completion of surgery, before receiving the first dose of analgesic, 60 min after analgesia and the next morning. Any adverse clinical effects such as somnolence, dizziness, nausea or vomiting were recorded. Satisfaction with narcotic efficacy, desire to use the particular analgesic in the future and any complaints were recorded by patients using questionnaires before being ***: Forty-two men and eighteen women were included in the study. There were no significant differences in VAS scores between the groups within 24 h. Length of hospital stay and the incidence of adverse effects between the groups were similar. In addition, most patients were satisfied with butorphanol nasal spray and wished to receive this analgesic in the future, if ***: Butorphanol nasal spray is effective for the relief of pain after fistulectomy. However, it offered patients more convenient usage and would be suitable for outpatients.

关键词： Butorphanol Fistulectomy Meperidine Opioid

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Verification of gene expression profiles for colorectal cancer using 12 internet public microarray datasets

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World Journal of Gastroenterology 2014年第46期20卷 17476-17482页

作者： yu-Tien Chang Chung-Tay Yao Sui-Lung Su yu-ching chou Chi-Ming Chu Chi-Shuan Huang Harn-Jing Terng Hsiu-Ling chou Thomas Wetter Kang-Hua Chen Chi-Wen Chang yun-Wen Shih ching-Huang Lai Division of Biomedical Statistics and Informatics School of Public HealthNational Defense Medical Center Department of Emergency Cathay General Hospital Department of Epidemiology School of Public HealthNational Defense Medical Center Division of Colorectal Surgery Cheng Hsin Rehabilitation Medical Center Advpharma Inc. Department of Nursing Far Eastern Memorial Hospital Oriental Institute of Technology Department of Medical Informatics Faculty of MedicineUniversity of Heidelberg69120 HeidelbergGermany School of Nursing College of MedicineChang Gung University

AIM: To verify gene expression profiles for colorectal cancer using 12 internet public microarray datasets.

关键词： Gene expression profiles Colorectal cancer Microarray Gene Expression Omnibus Gene Expression Omnibus Gene Expression Omnibus series

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Differential DNA methylation analysis of SUMF2,ADAMTS5,and PXDN provides novel insights into colorectal cancer prognosis prediction in Taiwan

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World Journal of Gastroenterology 2022年第8期28卷 825-839页

作者： Jing-Quan Su Pin-yu Lai Pei-Hsuan Hu Je-Ming Hu Pi-Kai Chang Chao-Yang Chen Jia-Jheng Wu yu-Jyun Lin Chien-An Sun Tsan Yang Chih-Hsiung Hsu Hua-ching Lin yu-ching chou School of Medicine National Defense Medical CenterTaipei 114TaiwanChina School of Public Health National Defense Medical CenterTaipei 114TaiwanChina Division of Colorectal Surgery Department of surgeryTri-Service General HospitalNational Defense Medical CenterTaipei 114TaiwanChina Graduate Institute of Medical Sciences National Defense Medical CenterTaipei 114TaiwanChina Department of Public Health College of MedicineFu-Jen Catholic UniversityNew Taipei City 242TaiwanChina Big Data Research Center College of MedicineFu-Jen Catholic UniversityNew Taipei City 242TaiwanChina Department of Health Business Administration Meiho UniversityPingtung County 912TaiwanChina Division of Colorectal Surgery Department of SurgeryCheng-Hsin General HospitalTaipei 112TaiwanChina

BACKGROUND Patients with colorectal cancer(CRC)undergo surgery,as well as perioperative chemoradiation or adjuvant chemotherapy primarily based on the tumor–node–metastasis(TNM)cancer staging ***,treatment responses and prognostic outcomes of patients within the same stage vary *** potential use of novel biomarkers can improve prognostication and shared decision making before implementation into certain *** To investigate whether SUMF2,ADAMTS5,and PXDN methylation status could be associated with CRC *** We conducted a Taiwan region cohort study involving 208 patients with CRC recruited from TriService General Hospital and applied the candidate gene approach to identify three genes involved in oncogenesis pathways.A methylation-specific polymerase chain reaction(MS-PCR)and Epi TYPER DNA methylation analysis were employed to detect methylation status and to quantify the methylation level of candidate genes in tumor tissue and adjacent normal tissue from *** evaluated SUMF2,ADAMTS5,and PXDN methylation as predictors of prognosis,including recurrence-free survival(RFS),progression-free survival(PFS),and overall survival(OS),using a Cox regression model and Kaplan–Meier *** We revealed various outcomes related to methylation and *** shorter PFS and OS were associated with the CpG_3+CpG_7 hypermethylation of SUMF2 from tumor tissue compared with CpG_3+CpG_7 hypomethylation[hazard ratio(HR)=2.24,95%confidence interval(CI)=1.03-4.85 for PFS,HR=2.56 and 95%CI=1.08-6.04 for OS].By contrast,a significantly longer RFS was associated with CpG_2 and CpG_13 hypermethylation of ADAMTS5 from normal tissue compared with CpG_2 and CpG_13 hypomethylation[HR(95%CI)=0.15(0.03-0.71)for CpG_2 and 0.20(0.04-0.97)for CpG_13].The relationship between the methylation status of PXDN and the prognosis of CRC did not reach statistical *** Our study found that CpG_3+CpG_7 hypermethylation o

关键词： DNA methylation Biomarkers Tumor tissue Adjacent normal tissue Prognosis prediction Colorectal cancer

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Gene expression profile of peripheral blood in colorectal cancer

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World Journal of Gastroenterology 2014年第39期20卷 14463-14471页

作者： yu-Tien Chang Chi-Shuan Huang Chung-Tay Yao Sui-Lung Su Harn-Jing Terng Hsiu-Ling chou yu-ching chou Kang-Hua Chen yun-Wen Shih Chian-yu Lu ching-Huang Lai Chen-En Jian Chiao-Huang Lin Chien-Ting Chen Yi-Syuan Wu Ke-Shin Lin Thomas Wetter Chi-Wen Chang Chi-Ming Chu Division of Biomedical Statistics and Informatics School of Public Health National Defense Medical Center Division of Colorectal Surgery Cheng Hsin Rehabilitation Medical Center Department of Surgery Cathay General Hospital Department of Epidemiology School of Public Health National Defense Medical Center Advpharma Inc. Department of Nursing Far Eastern Memorial Hospital and Oriental Institute of Technology Department of Nursing School of Medicine Chang Gung University Air Force Combatant Command National Defense Ministry Institute of Medical Biometry and Informatics Heidelberg University Germany Department of Biomedical Informatics and Medical Education University of Washington Seattle United States

AIM: Optimal molecular markers for detecting colorectal cancer (CRC) in a blood-based assay were evaluated.

关键词： Colorectal cancer Gene expression Microarray Internet

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Data-Driven Modeling of Partially Observed Biological Systems

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Communications on Applied Mathematics and Computation 2024年第1期6卷 739-754页

作者： Wei-Hung Su ching-Shan chou Dongbin Xiu Department of Mathematics The Ohio State UniversityColumbusOH43221USA

We present a numerical approach for modeling unknown dynamical systems using partially observed data,with a focus on biological systems with(relatively)complex dynamical *** an extension of the recently developed deep neural network(DNN)learning methods,our approach is particularly suitable for practical situations when(i)measurement data are available for only a subset of the state variables,and(ii)the system parameters cannot be observed or measured at *** demonstrate that,with a properly designed DNN structure with memory terms,effective DNN models can be learned from such partially observed data containing hidden *** learned DNN model serves as an accurate predictive tool for system *** a few representative biological problems,we demonstrate that such DNN models can capture qualitative dynamical behavior changes in the system,such as bifurcations,even when the parameters controlling such behavior changes are completely unknown throughout not only the model learning process but also the system prediction *** learned DNN model effectively creates a“closed”model involving only the observables when such a closed-form model does not exist mathematically.

关键词： Deep neural network(DNN) Governing equation discovery Biological system Partial observation

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Novel methylation gene panel in adjacent normal tissues predicts poor prognosis of colorectal cancer in Taiwan

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World Journal of Gastroenterology 2020年第2期26卷 154-167页

作者： Chih-Hsiung Hsu Cheng-Wen Hsiao Chien-An Sun Wen-Chih Wu Tsan Yang Je-Ming Hu Chi-Hua Huang yu-Chan Liao Chao-Yang Chen Fu-Huang Lin yu-ching chou Graduate Institute of Medical Sciences National Defense Medical CenterTaipei 114Taiwan Teaching Office Tri-Service General HospitalNational Defense Medical CenterTaipei 114Taiwan Division of Colorectal Surgery Department of SurgeryTri-Service General HospitalNational Defense Medical CenterTaipei 114Taiwan Department of Public Health College of MedicineFu-Jen Catholic UniversityNew Taipei City 242Taiwan Big Data Research Center College of MedicineFu-Jen Catholic UniversityNew Taipei City 242Taiwan School of Public Health National Defense Medical CenterTaipei 114Taiwan Department of Surgery Suao and Yuanshan Branches of Taipei Veterans General HospitalYilan County 264Taiwan Department of Health Business Administration Meiho UniversityPingtung County 912Taiwan Adjunct Instructor School of MedicineNational Defense Medical CenterTaipei 114Taiwan

BACKGROUND It is evident that current clinical criteria are suboptimal to accurately estimate patient *** have identified epigenetic aberrant changes as novel prognostic factors for colorectal cancer(CRC).AIM To estimate whether a methylation gene panel in different clinical stages can reflect a different *** We enrolled 120 CRC patients from Tri-Service General Hospital in Taiwan and used the candidate gene approach to select six genes involved in carcinogenesis *** were divided into two groups based on the methylation status of the six evaluated genes,namely,the<3 aberrancy group and≥3 aberrancy *** tumor stages were divided into two subgroups(local and advanced stages)on the basis of the pathological type of the following tissues:Tumor and adjacent normal tissues(matched normal).We assessed DNA methylation in tumors and adjacent normal tissues from CRC patients and analyzed the association between DNA methylation with different cancer stages and the prognostic outcome including time to progression(TTP)and overall *** We observed a significantly increasing trend of hazard ratio as the number of hypermethylated genes increased both in normal tissue and tumor *** 5-year TTP survival curves showed a significant difference between the≥3 aberrancy group and the<3 aberrancy *** with the<3 aberrancy group,a significantly shorter TTP was observed in the≥3 aberrancy *** further analyzed the interaction between CRC prognosis and different cancer stages(local and advanced)according to the methylation status of the selected genes in both types of *** was a significantly shorter 5-year TTP for tumors at advanced stages with the promoter methylation status of selected genes than for those with local *** found an interaction between cancer stages and the promoter methylation status of selected genes in both types of *** Our data provide a significant association

关键词： DNA methylation Panel genes Clinical stage Prognosis outcome Adjacent normal tissues Colorectal cancer

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A Vertex Network Model of Arabidopsis Leaf Growth

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Communications on Applied Mathematics and Computation 2024年第1期6卷 454-488页

作者： Luke Andrejek Janet Best ching-Shan chou Aman Husbands Department of Mathematics The Ohio State UniversityColumbusOHUSA Department of Biology The University of PennsylvaniaPhiladelphiaPAUSA

Biology provides many examples of complex systems whose properties allow organisms to develop in a highly reproducible,or robust,*** such system is the growth and development of flat leaves in Arabidopsis *** mechanistically challenging process results from multiple inputs including gene interactions,cellular geometry,growth rates,and coordinated cell *** better understand how this complex genetic and cellular information controls leaf growth,we developed a mathematical model of flat leaf *** two-dimensional model describes the gene interactions in a vertex network of cells which grow and divide according to physical forces and genetic ***,the model predicts the presence of an unknown additional factor required for the formation of biologically realistic gene expression domains and iterative cell *** two-dimensional model will form the basis for future studies into robustness of adaxial-abaxial patterning.

关键词： Robustness Adaxial-abaxial patterning Mathematical modeling Gene regulatory networks(GRNs) Transcription factors Small RNAs

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Field-dependent spin lattice relaxation as a tool for probing macromolecular dynamics

Field-dependent spin lattice relaxation as a tool for probin...

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第十七届全国波谱学学术会议

作者： ching-yu chou Minglee Chu Chi-Fon Chang Institute of Biomedical Sciences Academia Sinica Taipei

＜正＞Analysis of NMR relaxation data has provided significant insight on molecular dynamic,leading to a more comprehensive understanding of macromolecular functions. However,traditional methodology allows relaxation ...

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