INTERACTION EFFECTS BETWEEN PARAOXONASE 1 VARIANTS AND CIGARETTE SMOKING ON RISK OF CORONARY HEART DISEASE IN A SINGAPOREAN CHINESE POPULATION
Yi Han, Rajkumar Dorajoo, Tingjing Ke, Burger Ayala, Xuling Chang, Chiea-Chuen Khor, Rob M Van Dam, Jian-Min Yuan, Woon-Puay Koh, Jianjun Liu, Daniel Y T Goh, Yechiel Friedlander, Chew-Kiat Heng (2015).
Investigates functional polymorphisms in the PON1 gene (Q192R, L55M) and demonstrates significant synergistic gene-environment interaction with smoking, accelerating coronary atherogenesis through compromised antioxidant enzyme defenses.
• PON1 - Polymorphism
• OXIDATIVE STRESS
• GENE X SMOKING
• SINGAPORE CHINESE
UTILITY OF GENETIC AND NON-GENETIC RISK FACTORS IN PREDICTING CORONARY HEART DISEASE IN SINGAPORE CHINESE
Xuling Chang, Agus Salim, Rajkumar Dorajoo, Yi Han, Chiea-Chuen Khor, Rob M Van Dam, Jian-Min Yuan, Woon-Puay Koh, Jianjun Liu, Daniel YT Goh, Xu Wang, Yik-Ying Teo, Yechiel Friedlander, Chew-Kiat Heng (2017).
Evaluates the additive discriminatory power of multi-locus genetic risk scores (GRS) over conventional clinical risk models in the Singapore Chinese population, establishing significant clinical risk reclassification for early cardiovascular prevention.
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European Journal Of Preventive Cardiology, Volume 24, Issue 2, 1 January 2017, Pages 153–160
• MULTI-LOCUS GRS
• SINGAPORE CHINESE
• RISK RECLASSIFICATION
• PREVENTIVE CARDIOLOGY
A POLYGENIC RISK SCORE FOR PREDICTING CAD RISK FOR THE CHINESE POPULATION.
Xiangfeng Lu, Zhongying Liu, Qingmei Cui, Fangchao Liu, Jianxin Li, Xiaoge Niu, Chong Shen, Dongsheng Hu, Keyong Huang, Jichun Chen, Xiaolong Xing, Yingxin Zhao, Fanghong Lu, Xiaoqing Liu, Jie Cao, Shufeng Chen, Hongxia Ma, Ling Yu, Xianping Wu, Xigui Wu, Ying Li, Huan Zhang, Xingbo Mo, Liancheng Zhao, Jianfeng Huang, Laiyuan Wang, Wanqing Wen, Xiao-Ou Shu, Fumihiko Takeuchi, Woon-Puay Koh, E Shyong Tai, Ching-Yu Cheng, Tien Yin Wong, Xuling Chang, Mark Yan-Yee Chan, Wei Gao, Hong Zheng, Kexin Chen, Jing Chen, Jiang He, Clara Sze-Man Tang, Karen Siu Ling Lam, Hung-Fat Tse, Chloe Yu Yan Cheung, Atsushi Takahashi, Michiaki Kubo, Norihiro Kato, Chikashi Terao, Yoichiro Kamatani, Pak Chung Sham, Chew-Kiat Heng, Zhibin Hu, Y Eugene Chen, Tangchun Wu, Hongbing Shen, Cristen J Willer, Dongfeng Gu (2022).
Validated across ~40,000 Chinese adults in prospective cohorts; proves that an ancestry-specific polygenic risk score reliably predicts lifetime CAD risk, and adherence to ideal cardiovascular health habits produces the largest absolute risk reduction in high-genetic-risk individuals.
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European Heart Journal, Volume 43, Issue 18, 7 May 2022, Pages 1702–1711
• 700 SNP CAD PRS
• EAST ASIAN ANCESTRY
• CARDIOVASCULAR HEALTH
• ABSOLUTE RISK REDUCTION
SEQUENTIAL EFFECTS OF A HIGH-FIBER DIET WITH PSYLLIUM HUSKS ON THE EXPRESSION LEVELS OF HEPATIC GENES AND PLASMA LIPIDS
Mei-Yen Chan, Chew-Kiat Heng (2008).
Landmark study co-authored by Health BETA founding scientist a/Prof. Chew-Kiat Heng demonstrating how high-fiber psyllium dietary intervention downregulates hepatic lipogenesis genes (FASN) while upregulating bile acid synthesis and cholesterol clearance pathways (HMGCR, CYP7A1) to significantly lower circulating total cholesterol and triglycerides.
• HEPATIC TRANSCRIPTOMICS
• FASN
• HMGCR
• BILE ACID SYNTHESIS
• PSYLLIUM FIBER
GENOME-WIDE ASSOCIATION STUDY IDENTIFIES A MISSENSE VARIANT AT APOA5 FOR CORONARY ARTERY DISEASE IN MULTI-ETHNIC COHORTS FROM SOUTHEAST ASIA
Yi Han, Rajkumar Dorajoo, Xuling Chang, Tingjing Ke, Burger Ayala, Chiea-Chuen Khor, Rob M Van Dam, Jian-Min Yuan, Woon-Puay Koh, Jianjun Liu, Daniel YT Goh, Yechiel Friedlander, Chew-Kiat Heng (2017).
Large-scale meta-analysis of four genome-wide association studies across multi-ethnic Southeast Asian cohorts, uncovering an Asian-specific missense variant in APOA5 that significantly impacts circulating triglyceride levels and coronary artery disease susceptibility.
• APOA5
• TRIGLYCERIDES
• MULTI-ETHNIC COHORT
• CAD GENETICS
MULTI-ANCESTRY STUDY OF BLOOD LIPID LEVELS IDENTIFIES FOUR LOCI INTERACTING WITH PHYSICAL ACTIVITY
Tuomas O. Kilpeläinen, Amy R. Bentley, Raymond Noordam, et al. (2019).
Global multi-ancestry meta-analysis revealing 4 genome-wide significant loci where habitual physical exercise directly modifies genetic control over HDL-C, LDL-C, and triglycerides—proving at the molecular level that exercise alters genomic cardiovascular predisposition.
• GENE × EXERCISE
• CLASP1
• LIPC
• LIPID MODULATION
GENE-DIET INTERACTION EFFECTS ON BMI LEVELS IN THE SINGAPORE CHINESE POPULATION
Xuling Chang, Rajkumar Dorajoo, Ye Sun, Tingjing Ke, Burger Ayala, Chiea-Chuen Khor, Rob M Van Dam, Jian-Min Yuan, Woon-Puay Koh, Jianjun Liu, Daniel YT Goh, Yechiel Friedlander, Chew-Kiat Heng (2018).
Evaluated 97 BMI susceptibility loci across adult Singapore Chinese cohorts, identifying significant gene-diet interactions where macronutrient balance (carbohydrate quality and dietary fat) directly modulates genetic obesity risk.
• 97 BMI LOCI
• GENE × DIET INTERACTION
• MACRONUTRIENT QUALITY
• METABOLIC ADIPOSITY
GENETIC ASSOCIATIONS WITH HEALTHY AGEING AMONG CHINESE ADULTS
Xuling Chang, Yan-Feng Zhou, Ling Wang, Tingjing Ke, Burger Ayala, Chiea-Chuen Khor, Rob M Van Dam, Jian-Min Yuan, Woon-Puay Koh, Jianjun Liu, Daniel YT Goh, Yechiel Friedlander, Chew-Kiat Heng (2022).
Identifies novel East Asian genetic loci associated with exceptional healthy lifespan free from major chronic cardiometabolic diseases, offering molecular targets for genomic-guided longevity and preventative medicine.
• HEALTHY AGEING GWAS
• EAST ASIAN LONGEVITY
• CARDIOMETABOLIC RESISTANCE
• PREVENTIVE MEDICINE