Related Experiment Video
Updated: Mar 31, 2026
07:21
The TreadWheel: Interval Training Protocol for Gently Induced Exercise in Drosophila melanogaster
Published on: June 8, 2018
12.3K
Genomic and transcriptomic predictors of triglyceride response to regular exercise
Mark A Sarzynski1, Peter K Davidsen2, Yun Ju Sung3
1Human Genomics Laboratory, Pennington Biomedical Research Center, Baton Rouge, Louisiana, USA Department of Exercise Science, University of South Carolina, Columbia, SC, USA.
British Journal of Sports Medicine
|October 23, 2015
Summary
Exercise training impacts triglyceride levels, with genetic factors playing a key role. This study identified specific genes and single nucleotide polymorphisms (SNPs) influencing triglyceride response to exercise.
Area of Science:
- Genetics
- Exercise Physiology
- Metabolic Research
Background:
- Triglyceride (TG) levels are influenced by lifestyle factors like exercise.
- Understanding the genetic basis of TG response to exercise is crucial for personalized health strategies.
Purpose of the Study:
- To identify genes and single nucleotide polymorphisms (SNPs) associated with triglyceride (TG) response to exercise training.
- To explore the combined predictive power of genomic and transcriptomic data on TG changes.
Main Methods:
- Genome-wide and transcriptome-wide profiling in 478 participants undergoing a 20-week endurance training program.
- Genotyping using Illumina arrays and gene expression analysis from muscle biopsies.
- Genome-wide association study (GWAS) and transcriptomic predictor modeling.
Main Results:
- Eight SNPs showed significant association with TG training response (p<9.9×10(-6)).
- A molecular signature of 11 genes predicted 27% of TG response.
- A composite SNP score combining genomic and transcriptomic data was the strongest predictor of TG changes.
Conclusions:
- Skeletal muscle gene expression and specific SNPs are significant contributors to TG response to exercise.
- A combined genomic and transcriptomic approach identified a SNP-based gene signature for predicting TG response.
Related Concept Videos
01:20Exercise and Cardiovascular Response
5.2K
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
5.2K
01:29Pharmacogenomics: Identification of New Drug Targets
84
Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...
84
01:11Pharmacogenetics of Drug Targets: β₂-Adrenergic Receptors, Apo E, Thymidylate Synthase
68
Genetic polymorphisms in drug targets have emerged as critical determinants of interindividual variability in drug response and toxicity. Pharmacogenomic investigations increasingly focus on identifying these variations to personalize and optimize therapeutic interventions. A drug target may be a receptor, enzyme, or signaling protein involved in pharmacologic responses or disease-related pathways. While early pharmacogenetic studies focused primarily on drug metabolism, current research...
68
01:26Exercise Stress Test
1.9K
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
1.9K
01:24Overview of Lipid Metabolism
6.8K
Lipid metabolism is a crucial process in the human body that involves the synthesis and degradation of lipids. This process is essential for energy production, cell membrane formation, and hormone production, among other functions.
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
6.8K
01:19Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
754
Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
754