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Green tea intake and risk of incident kidney stones: Prospective cohort studies in middle-aged and elderly Chinese individuals.
Shu X, Cai H, Xiang YB, Li H, Lipworth L, Miller NL, Zheng W, Shu XO, Hsi RS
(2019) Int J Urol 26: 241-246
MeSH Terms: Adult, Aged, China, Feeding Behavior, Female, Follow-Up Studies, Humans, Kidney Calculi, Male, Middle Aged, Proportional Hazards Models, Prospective Studies, Risk Factors, Self Report, Sex Factors, Tea
Show Abstract · Added February 26, 2019
OBJECTIVES - To investigate the association between green tea intake and incident stones in two large prospective cohorts.
METHODS - We examined self-reported incident kidney stone risk in the Shanghai Men's Health Study (n = 58 054; baseline age 40-74 years) and the Shanghai Women's Health Study (n = 69 166; baseline age 40-70 years). Information on the stone history and tea intake was collected by in-person surveys. Multivariable Cox proportional hazards models were adjusted for baseline demographic variables, medical history and dietary intakes including non-tea oxalate from a validated food frequency questionnaire.
RESULTS - During 319 211 and 696 950 person-years of follow up, respectively, 1202 men and 1451 women reported incident stones. Approximately two-thirds of men and one-quarter of women were tea drinkers at baseline, of whom green tea was the primary type consumed (95% in men, 88% in women). Tea drinkers (men: hazard ratio 0.78, 95% confidence interval 0.69-0.88; women: hazard ratio 0.8, 95% confidence interval 0.77-0.98) and specifically green tea drinkers (men: hazard ratio 0.78, 95% confidence interval 0.69-0.88; women: hazard ratio 0.84, 95% confidence interval 0.74-0.95) had lower incident risk than never/former drinkers. Compared with never/former drinkers, a stronger dose-response trend was observed for the amount of dried tea leaf consumed/month by men (hazard ratio 0.67, 95% confidence interval 0.56-0.80, P  < 0.001) than by women (hazard ratio 0.87, 95% confidence interval 0.70-1.08, P  = 0.041).
CONCLUSIONS - Green tea intake is associated with a lower risk of incident kidney stones, and the benefit is observed more strongly among men.
© 2018 The Japanese Urological Association.
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16 MeSH Terms
Long-term Diet Quality and Risk of Type 2 Diabetes Among Urban Chinese Adults.
Yu D, Zheng W, Cai H, Xiang YB, Li H, Gao YT, Shu XO
(2018) Diabetes Care 41: 723-730
MeSH Terms: Adult, Aged, Asian Continental Ancestry Group, China, Diabetes Mellitus, Type 2, Diet, Exercise, Feeding Behavior, Female, Food Quality, Humans, Leisure Activities, Male, Middle Aged, Obesity, Risk Factors, Surveys and Questionnaires, Urban Population
Show Abstract · Added March 26, 2018
OBJECTIVE - Little evidence exists regarding long-term diet quality and the risk of type 2 diabetes among Asian populations, who have undergone a nutrition transition and a diabetes epidemic.
RESEARCH DESIGN AND METHODS - A total of 117,919 Chinese men and women, 40-74 years old, free of diabetes, cardiovascular disease, and cancer at baseline, were followed from 1996 to 2015. Diet quality was assessed by a healthy diet score (HDS) based on eight commonly consumed food groups previously suggested to be related to diabetes. Long-term diet quality and its changes were assessed by repeated surveys using food-frequency questionnaires.
RESULTS - We identified 6,111 incident diabetes cases during a mean follow-up of 11.5 years. Higher HDS was associated with lower diabetes risk (hazard ratio [HR] 0.85 [95% CI 0.78-0.92] in the highest vs. lowest quintile, <0.0001) after adjustment for potential confounders including BMI. Maintaining a high HDS during follow-up was associated with 26% lower risk compared with a consistently low HDS (HR 0.74 [95% CI 0.63-0.85]). The inverse association between HDS and diabetes was observed regardless of participants' age, sex, smoking and exercise habits, obesity status, and metabolic disease status but was more prominent among those who participated in leisure-time exercise ( = 0.004). When considered jointly, a sustained high HDS plus exercise was associated with a 45% reduced risk of diabetes (HR 0.55 [95% CI 0.45-0.67]).
CONCLUSIONS - A high-quality diet, especially maintained over the long term and in conjunction with leisure-time exercise, is associated with lower risk of type 2 diabetes among urban Chinese adults.
© 2017 by the American Diabetes Association.
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Shanghai Score: A Prognostic and Adjuvant Treatment-evaluating System Constructed for Chinese Patients with Hepatocellular Carcinoma after Curative Resection.
Sun HC, Xie L, Yang XR, Li W, Yu J, Zhu XD, Xia Y, Zhang T, Xu Y, Hu B, Du LP, Zeng LY, Ouyang J, Zhang W, Song TQ, Li Q, Shi YH, Zhou J, Qiu SJ, Liu Q, Li YX, Tang ZY, Shyr Y, Shen F, Fan J
(2017) Chin Med J (Engl) 130: 2650-2660
MeSH Terms: Adult, Carcinoma, Hepatocellular, China, Female, Hepatitis B Surface Antigens, Humans, Liver Neoplasms, Male, Middle Aged, Prognosis, Proportional Hazards Models
Show Abstract · Added April 3, 2018
BACKGROUND - For Chinese patients with hepatocellular carcinoma (HCC), surgical resection is the most important treatment to achieve long-term survival for patients with an early-stage tumor, and yet the prognosis after surgery is diverse. We aimed to construct a scoring system (Shanghai Score) for individualized prognosis estimation and adjuvant treatment evaluation.
METHODS - A multivariate Cox proportional hazards model was constructed based on 4166 HCC patients undergoing resection during 2001-2008 at Zhongshan Hospital. Age, hepatitis B surface antigen, hepatitis B e antigen, partial thromboplastin time, total bilirubin, alkaline phosphatase, γ-glutamyltransferase, α-fetoprotein, tumor size, cirrhosis, vascular invasion, differentiation, encapsulation, and tumor number were finally retained by a backward step-down selection process with the Akaike information criterion. The Harrell's concordance index (C-index) was used to measure model performance. Shanghai Score is calculated by summing the products of the 14 variable values times each variable's corresponding regression coefficient. Totally 1978 patients from Zhongshan Hospital undergoing resection during 2009-2012, 808 patients from Eastern Hepatobiliary Surgery Hospital during 2008-2010, and 244 patients from Tianjin Medical University Cancer Hospital during 2010-2011 were enrolled as external validation cohorts. Shanghai Score was also implied in evaluating adjuvant treatment choices based on propensity score matching analysis.
RESULTS - Shanghai Score showed good calibration and discrimination in postsurgical HCC patients. The bootstrap-corrected C-index (confidence interval [CI]) was 0.74 for overall survival (OS) and 0.68 for recurrence-free survival (RFS) in derivation cohort (4166 patients), and in the three independent validation cohorts, the CI s for OS ranged 0.70-0.72 and that for RFS ranged 0.63-0.68. Furthermore, Shanghai Score provided evaluation for adjuvant treatment choices (transcatheter arterial chemoembolization or interferon-α). The identified subset of patients at low risk could be ideal candidates for curative surgery, and subsets of patients at moderate or high risk could be recommended with possible adjuvant therapies after surgery. Finally, a web server with individualized outcome prediction and treatment recommendation was constructed.
CONCLUSIONS - Based on the largest cohort up to date, we established Shanghai Score - an individualized outcome prediction system specifically designed for Chinese HCC patients after surgery. The Shanghai Score web server provides an easily accessible tool to stratify the prognosis of patients undergoing liver resection for HCC.
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Nephrolithiasis Among Middle Aged and Elderly Urban Chinese: A Report from Prospective Cohort Studies in Shanghai.
Shu X, Cai H, Xiang YB, Li H, Lipworth L, Miller NL, Zheng W, Shu XO, Hsi RS
(2017) J Endourol 31: 1327-1334
MeSH Terms: Adult, Aged, Body Mass Index, Cardiovascular Diseases, China, Cohort Studies, Coronary Disease, Female, Humans, Hypertension, Incidence, Male, Middle Aged, Nephrolithiasis, Obesity, Proportional Hazards Models, Prospective Studies, Risk Factors, Sex Distribution, Sex Factors, Stroke, Urban Population, Waist-Hip Ratio
Show Abstract · Added January 16, 2018
INTRODUCTION - Kidney stone risk factors are understudied among Asians. Our study objective was to investigate associations of obesity and other chronic diseases with incident kidney stones among the urban Chinese.
PATIENTS AND METHODS - Included in this study are two prospective cohorts: the Shanghai Women's Health Study (N = 69,166) and Shanghai Men's Health Study (N = 58,054). Incident kidney stones were determined by self-report in 2004 and 2008. Cox regression models were used to evaluate the associations of study variables with stone risk with adjustment of demographics, medical history, and dietary intakes.
RESULTS - There were 2653 incident stones over 1,007,958 person-years of follow-up. Overall incidence rates (per 1000 person-years, 95% confidence interval [CI]) were 2.10 (1.99, 2.21) among women and 3.80 (3.59, 4.02) among men. Higher body mass index (BMI) was associated with risk (BMI ≥25 vs 18.5-24.9 kg/m, women: hazard ratio [HR] = 1.14 [95% CI 1.01, 1.28]; men: HR = 1.17 [1.03, 1.32]). High waist-hip ratio (≥0.80 and ≥0.90 for women and men, respectively) was associated with risk (HR 1.13, 95% CI 1.01, 1.27 for women; HR 1.19, 95% CI 1.05, 1.35 for men). Coronary heart disease or stroke history was associated with risk in women only (HR 1.31, 95% CI 1.10, 1.56). Hypertension history was associated with risk in men only (HR 1.27, 95% CI 1.11, 1.45). No significant association with diabetes mellitus was observed.
CONCLUSIONS - Among the Chinese, kidney stone incidence in men is almost twice that of women. Obesity is a shared risk factor. Hypertension history is associated with risk in men, whereas history of coronary heart disease or stroke is associated with risk in women.
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A prospective study of immune and inflammation markers and risk of lung cancer among female never smokers in Shanghai.
Shiels MS, Shu XO, Chaturvedi AK, Gao YT, Xiang YB, Cai Q, Hu W, Shelton G, Ji BT, Pinto LA, Kemp TJ, Rothman N, Zheng W, Hildesheim A, Lan Q
(2017) Carcinogenesis 38: 1004-1010
MeSH Terms: Acute-Phase Proteins, Adult, Aged, Biomarkers, Biomarkers, Tumor, Case-Control Studies, Chemokine CX3CL1, Chemokines, China, Cytokines, Female, Humans, Inflammation, Lung Neoplasms, Middle Aged, Prospective Studies, Receptors, Interleukin-6, Risk Assessment, Smoking
Show Abstract · Added April 3, 2018
There is a paucity of data on risk factors for lung cancer among never smokers. Here, we have carried out the first large study of circulating inflammation markers and lung cancer risk among female never smokers in Shanghai. A study of 248 lung cancer cases in female never smokers and 263 controls was nested within the Shanghai Women's Health Study (n = 75221), matched by dates of birth and blood collection (mean follow-up time = 7.5 years). Prediagnostic plasma levels of 65 inflammation markers were measured using a Luminex bead-based assay. Odds ratios (ORs) were estimated with multivariable logistic regression. Nine of 61 evaluable markers were statistically significantly associated with lung cancer risk among never smoking Chinese women (P-trend across categories <0.05). Soluble interleukin-6 receptor [sIL-6R; highest versus lowest category OR = 2.37; 95% confidence interval (CI) 1.40-4.02) and chemokine (C-C motif) ligand 2/monocyte chemotactic protein 1; (OR = 1.62; 95% CI 0.94-2.80) were associated with an increased risk of lung cancer, whereas interleukin (IL)-21 (OR = 0.53; 95%CI 0.31-0.93), chemokine (C-X3-C motif) ligand 1/fractalkine (OR = 0.54; 95% CI 0.30-0.96), soluble vascular endothelial growth factor receptor 2 (sVEGFR2, OR = 0.45; 95% CI 0.26-0.76), sVEGFR3 (OR = 0.53; 95% CI 0.32-0.90), soluble tumor necrosis factor receptor I (OR = 0.49; 95% CI 0.29-0.83), IL-10 (OR = 0.60; 95% CI 0.34-1.05) and C-reactive protein (OR = 0.63; 95% CI 0.37-1.06) were associated with a decreased risk. sIL-6R remained significantly associated with lung cancer risk >7.5 years prior to diagnosis. Markers involved in various aspects of the immune response were associated with subsequent lung cancer risk, implicating inflammation in the etiology of lung cancer among female never smokers.
Published by Oxford University Press 2017.
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Prospective study of urinary prostaglandin E2 metabolite and pancreatic cancer risk.
Cui Y, Shu XO, Li HL, Yang G, Wen W, Gao YT, Cai Q, Rothman N, Yin HY, Lan Q, Xiang YB, Zheng W
(2017) Int J Cancer 141: 2423-2429
MeSH Terms: Adult, Aged, Body Mass Index, Case-Control Studies, China, Chromatography, Liquid, Cyclooxygenase 2, Female, Humans, Logistic Models, Male, Middle Aged, Odds Ratio, Pancreatic Neoplasms, Prospective Studies, Prostaglandins, Tandem Mass Spectrometry
Show Abstract · Added April 3, 2018
The cyclooxygenase 2 (COX-2) pathway is upregulated in many pancreatic cancer cells, and it is believed that carcinogenetic effects of COX-2 upregulation are largely through prostaglandin E2 (PGE2) overproduction. We tested this hypothesis by evaluating the association between urinary PGE2 metabolites (PGE-M), a biomarker of in vivo PGE2 overproduction, and pancreatic cancer risk. We conducted a case-control study with 722 subjects (239 cases and 483 controls) nested within two prospective cohort studies, the Shanghai Women's Health Study (SWHS) and Shanghai Men's Health Study (SMHS). Pre-diagnosis urine samples were measured for PGE-M using a liquid chromatography/tandem mass spectrometric method. Conditional logistic regression was used to estimate odds ratio (OR) and 95% confidence intervals (95%CI), with adjustment for potential confounders. Compared to those with the lowest urine level of PGE-M (the first quartile), individuals with higher urine levels of PGE-M had an increased risk of developing pancreatic cancer, with adjusted ORs (95%CI) of 1.63 (0.98-2.73), 1.55 (0.90-2.69) and 1.94 (1.07-3.51), for the second to the fourth quartile groups, respectively (p for trend = 0.054). This dose-response positive association was more evident among those who had BMI <25 kg/m than overweight individuals (p for interaction = 0.058). After excluding cases diagnosed in the first year of follow-up and their matched controls, this positive association persisted (p for trend = 0.037) and the interaction became statistically significant (p for interaction = 0.017). Our study adds additional evidence that the COX-2 pathway is involved in pancreatic carcinogenesis and suggests that urinary PGE-M may serve as a biomarker for predicting pancreatic cancer risk.
© 2017 UICC.
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Next-generation sequencing identifies pathogenic and modifier mutations in a consanguineous Chinese family with hypertrophic cardiomyopathy.
Zhang X, Xie J, Zhu S, Chen Y, Wang L, Xu B
(2017) Medicine (Baltimore) 96: e7010
MeSH Terms: Adolescent, Adult, Aged, Asian Continental Ancestry Group, Calcium Channels, L-Type, Cardiac Myosins, Cardiomyopathy, Hypertrophic, Familial, Carrier Proteins, Child, China, Consanguinity, Echocardiography, Female, Genetic Association Studies, Genetic Predisposition to Disease, Genotyping Techniques, Humans, Male, Middle Aged, Mutation, Myosin Heavy Chains, Sequence Analysis, Young Adult
Show Abstract · Added September 11, 2017
Hypertrophic cardiomyopathy (HCM) is a highly heterogeneous disease displaying considerable interfamilial and intrafamilial phenotypic variation, including disease severity, age of onset, and disease progression. This poorly understood variance raises the possibility of genetic modifier effects, particularly in MYBPC3-associated HCM.In a large consanguineous Chinese HCM family, we identified 8 members harboring the MYBPC3 c.3624delC (p.Lys1209Serfs) disease-causing mutation, but with very disparate phenotypes. Genotyping ruled out the modifying effect of previously described variants in renin-angiotensin-aldosterone system. Afterwards, we screened for modifying variants in all known causing genes and closely related genes for cardiomyopathy and channelopathy by performing targeted next-generation sequencing. For first time, we showed that a c.1598C>T (p.Ser533Leu) mutation in voltage-dependent l-type calcium channel subunit beta-2 (CACNB2) was present in all severely affected HCM patients, but not in those moderately affected or genotype-positive phenotype-negative patients. This CACNB2 p.Ser533Leu mutation is extremely conserved in evolution, and was not found in 550 healthy controls.Our results suggest that CACNB2 is a possible candidate genetic modifier of MYBPC3-associated familial HCM, but more genetic evidence and functional experiments are needed to confirm.
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Evaluation of genetic variants in association with colorectal cancer risk and survival in Asians.
Wang N, Lu Y, Khankari NK, Long J, Li HL, Gao J, Gao YT, Xiang YB, Shu XO, Zheng W
(2017) Int J Cancer 141: 1130-1139
MeSH Terms: Asian Continental Ancestry Group, Case-Control Studies, China, Colorectal Neoplasms, Female, Genetic Predisposition to Disease, Genome-Wide Association Study, Humans, Kaplan-Meier Estimate, Male, Middle Aged, Polymorphism, Single Nucleotide, Registries, Risk
Show Abstract · Added April 10, 2018
Genome-wide association studies (GWAS) have identified over 40 genetic loci associated with colorectal cancer (CRC) risk. The association of single nucleotide polymorphisms (SNPs) at these loci with CRC risk and survival has not been adequately evaluated in East Asians. GWAS-identified CRC risk variants were used to construct weighted genetic risk scores (GRSs). We evaluated these GRSs in association with CRC risk in 3,303 CRC cases and 3,553 controls using logistic regression models. Associations with overall and CRC-specific survival were assessed in 731 CRC patients using Cox regression models. The association between the GRSs (overall and Asian-specific) and CRC risk was approximately twofold (highest vs. lowest quintile), and the shape of the dose-response was linear (p  = 1.24 × 10 and 3.02 × 10 for overall GRS and Asian-specific GRS, respectively). The association of the GRS with CRC risk was stronger among those with a family history of CRC (p  = 0.007). Asian-specific GRS using previously reported survival SNPs increased risk for mortality and the shape of the dose-response was linear for CRC-specific and all-cause mortality (p  = 0.01 and 0.006, respectively). Furthermore, the minor alleles of rs6983267 and rs1957636 were associated with worse CRC-specific and overall survival. We show that GRSs constructed using GWAS-identified common variants are strongly associated with CRC risk in Asians. We confirm previous findings for the possible association between some SNPs with survival, and provide evidence for two additional CRC risk variants that may be related to CRC survival.
© 2017 UICC.
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The susceptible HLA class II alleles and their presenting epitope(s) in Goodpasture's disease.
Xie LJ, Cui Z, Chen FJ, Pei ZY, Hu SY, Gu QH, Jia XY, Zhu L, Zhou XJ, Zhang H, Liao YH, Lai LH, Hudson BG, Zhao MH
(2017) Immunology 151: 395-404
MeSH Terms: Alleles, Anti-Glomerular Basement Membrane Disease, Autoantigens, China, Collagen Type IV, Computer Simulation, Epitope Mapping, Epitopes, T-Lymphocyte, Genetic Predisposition to Disease, Genotype, HLA-DRB1 Chains, Humans, Polymorphism, Genetic, Protein Binding, Protein Conformation, Receptors, Antigen, T-Cell, Risk, T-Lymphocytes
Show Abstract · Added May 12, 2017
Goodpasture's disease is closely associated with HLA, particularly DRB1*1501. Other susceptible or protective HLA alleles are not clearly elucidated. The presentation models of epitopes by susceptible HLA alleles are also unclear. We genotyped 140 Chinese patients and 599 controls for four-digit HLA II genes, and extracted the encoding sequences from the IMGT/HLA database. T-cell epitopes of α3(IV)NC1 were predicted and the structures of DR molecule-peptide-T-cell receptor were constructed. We confirmed DRB1*1501 (OR = 4·6, P = 5·7 × 10 ) to be a risk allele for Goodpasture's disease. Arginine at position 13 (ARG13) (OR = 4·0, P = 1·0 × 10 ) and proline at position 11 (PRO11) (OR = 4·0, P = 2·0 × 10 ) on DRβ1, encoded by DRB1*1501, were associated with disease susceptibility. α (HGWISLWKGFSFIMF) was predicted as a T-cell epitope presented by DRB1*1501. Isoleucine , tryptophan , glycine , phenylalanine and phenylalanine , were presented in peptide-binding pockets 1, 4, 6, 7 and 9 of DR2b, respectively. ARG13 in pocket 4 interacts with tryptophan and forms a hydrogen bond. In conclusion, we propose a mechanism for DRB1*1501 susceptibility for Goodpasture's disease through encoding ARG13 and PRO11 on MHC-DRβ1 chain and presenting T-cell epitope, α , with five critical residues.
© 2017 John Wiley & Sons Ltd.
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Meeting report: Metastasis Research Society-Chinese Tumor Metastasis Society joint conference on metastasis.
Bankaitis K, Borriello L, Cox T, Lynch C, Zijlstra A, Fingleton B, Gužvić M, Anderson R, Neman J
(2017) Clin Exp Metastasis 34: 203-213
MeSH Terms: China, Humans, Medical Oncology, Neoplasm Metastasis, Neoplasms, Research Report, Societies, Medical
Show Abstract · Added April 6, 2017
During September 16th-20th 2016, metastasis experts from around the world convened for the 16th Biennial Congress of the Metastasis Research Society and 12th National Congress of the Chinese Tumor Metastasis Society in Chengdu, China to share most current data covering basic, translational, and clinical metastasis research. Presentations of the more than 40 invited speakers of the main congress and presentations from the associated Young Investigator Satellite Meeting are summarized in this report by session topic. The congress program also included three concurrent short talk sessions, an advocacy forum with Chinese and American metastatic patient advocates, a 'Meet the Professors Roundtable' session for young investigators, and a 'Meet the Editors' session with editors from Cancer Cell and Nature Cell Biology. The goal of integrating expertise and exchanging the latest findings, ideas, and practices in cancer metastasis research was achieved magnificently, thanks to the excellent contributions of many leaders in the field.
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