Publications by authors named "Jeannette Jen-Mai Lee"

Article Synopsis
  • Reduced glomerular filtration rate (GFR) is a precursor to kidney failure, influenced by factors like genetics and diabetes (DM), but the interaction between these factors is not well understood.
  • A large-scale genome-wide association study (GWAS) analyzed eGFR across almost 1.5 million individuals, revealing distinct genetic loci that differ between those with and without diabetes.
  • The findings identified potential new targets for drug development aimed at protecting kidney function, highlighting that many drug interventions could be effective for both diabetic and non-diabetic populations.
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Although public health undergraduate education is increasingly popular in the West, studies describing the needs assessment and curriculum development of public health undergraduate education programs are lacking in the Asia Pacific. The objective of this study was to describe the needs assessment and curriculum development of a second major in public health for undergraduates in the National University of Singapore, the first in Singapore. We used the integrated framework for curriculum development in higher education, which consisted of five stages.

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Article Synopsis
  • Increased urinary albumin-to-creatinine ratio (UACR) is linked to higher risks of kidney disease and cardiovascular issues, yet the underlying causes are not fully understood.
  • A large meta-analysis identified 68 genetic loci associated with UACR, highlighting connections to conditions like proteinuria, hyperlipidemia, and hypertension.
  • Specific genes (such as TGFB1 and PRKCI) were implicated in kidney function, and experiments showed that disrupting these genes in fruit flies affects albumin processing, suggesting new avenues for research to lower albumin levels.
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Chronic kidney disease (CKD) is responsible for a public health burden with multi-systemic complications. Through trans-ancestry meta-analysis of genome-wide association studies of estimated glomerular filtration rate (eGFR) and independent replication (n = 1,046,070), we identified 264 associated loci (166 new). Of these, 147 were likely to be relevant for kidney function on the basis of associations with the alternative kidney function marker blood urea nitrogen (n = 416,178).

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Background: Although peer assessment has been used for evaluating performance of medical students and practicing doctors, it has not been studied as a method to distribute a common group work mark equitably to medical students working in large groups where tutors cannot observe all students constantly.

Methods: The authors developed and evaluated a mathematical formulation whereby a common group mark could be distributed among group members using peer assessment of individual contributions to group work, maintaining inter-group variation in group work scores. This was motivated by community health projects undertaken by large groups of year four medical students at the National University of Singapore, and the new and old formulations are presented via application to 263 students in seven groups of 36 to 40 during the academic year 2012/2013.

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Article Synopsis
  • The study investigates the relationship between the 5HTTLPR L allele (a genetic variant) and blood pressure levels, as well as hypertension prevalence, using data from large samples in the U.S. and Singapore.
  • Results indicate that for U.S. Whites, those with the L allele had higher systolic blood pressure (SBP) and were more likely to experience severe hypertension, while African Americans showed lower SBP and odds of severe hypertension with the same allele.
  • The findings suggest that the impact of the L allele on blood pressure and hypertension varies significantly across different racial and ethnic groups, highlighting the influence of genetic factors on cardiovascular health.
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Background: Participation in community service within underprivileged communities among medical students is associated with numerous positive outcomes, such as promoting empathy, enhancing leadership qualities, and fostering civic and social responsibility. We conducted a qualitative study to understand the experiences, motivations and student-reported outcomes on personal growth, when medical students in a developed Asian country participate in local and overseas community services.

Methods: We recruited medical students from Yong Loo Lin School of Medicine (YLLSOM), National University of Singapore, who were leaders of a community service project organized in medical school.

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Purpose: In medical school, students may participate in various community involvement projects (CIP), which serve disadvantaged communities. However, several obstacles may arise during these projects. The authors conducted a qualitative study with the primary aim of understanding the obstacles and corresponding potential solutions when medical students in Singapore participate in local CIP (LCIP) and overseas CIP (OCIP).

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We conducted a three-stage genetic study to identify susceptibility loci for type 2 diabetes (T2D) in east Asian populations. We followed our stage 1 meta-analysis of eight T2D genome-wide association studies (6,952 cases with T2D and 11,865 controls) with a stage 2 in silico replication analysis (5,843 cases and 4,574 controls) and a stage 3 de novo replication analysis (12,284 cases and 13,172 controls). The combined analysis identified eight new T2D loci reaching genome-wide significance, which mapped in or near GLIS3, PEPD, FITM2-R3HDML-HNF4A, KCNK16, MAEA, GCC1-PAX4, PSMD6 and ZFAND3.

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Obesity is a major public health concern around the world, including Asia. Bariatric surgery has grown in popularity to combat this rising trend. An e-mail questionnaire survey was sent to all the representative Asia-Pacific Metabolic and Bariatric Surgery Society (APMBSS) members of 12 leading Asian countries to provide bariatric surgery data for the last 5 years (2005-2009).

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Corneal curvature (CC) is a key determinant of major eye diseases, such as keratoconus, myopia and corneal astigmatism. No prior studies have discovered the genes for CC. Here we report the findings from four genome-wide association studies of CC in 10 008 samples from three population groups in Singapore.

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