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Gene expression is a dynamic process that is significantly influenced by environmental factors. This interaction underlies the complex nature of biological development and the phenotypic differences observed among individuals, even among those with identical genetic makeups. Factors such as radiation, temperature, behavior, nutrition, and stress play pivotal roles in determining how genes are expressed. The concept of the reaction range is central to understanding this interaction. It posits...
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Short-term regulation of food intake primarily involves neural signals from the gastrointestinal (GI) tract, blood nutrient levels, and GI tract hormones. Communication between the gut and brain via vagal nerve fibers plays a significant role in evaluating the contents of the gut. Clinical studies have shown that protein ingestion produces a more prolonged response in these nerve fibers compared to an equivalent amount of glucose. Additionally, the activation of stretch receptors caused by GI...
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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...
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Genetic polymorphism in drug metabolism is crucial to the inter-individual variability observed in drug responses. Drug metabolism primarily involves the chemical modification of drugs and other xenobiotics to enhance their elimination by increasing their polarity. Two main classes of enzymes mediate this biotransformation process: Phase I enzymes, primarily cytochrome P450s, catalyze oxidation and reduction reactions, while other enzymes, such as esterases, mediate hydrolysis, and Phase II...
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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Related Experiment Video

Updated: May 4, 2026

Sample Preparation to Bioinformatics Analysis of DNA Methylation: Association Strategy for Obesity and Related Trait Studies
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Gene-diet interaction and weight loss.

Lu Qi1

  • 1aDepartment of Nutrition, Harvard School of Public Health bChanning Division of Network Medicine, Department of Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts, USA.

Current Opinion in Lipidology
|December 19, 2013
PubMed
Summary
This summary is machine-generated.

Gene-diet interactions show promise for personalized weight loss strategies. Understanding genetic factors and diet can help reduce obesity and improve metabolic health.

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Area of Science:

  • Nutrition Science
  • Genetics
  • Obesity Research

Background:

  • Obesity is a complex health issue influenced by numerous factors.
  • Dietary interventions for weight loss show variable effectiveness.
  • Genetic predisposition plays a role in body weight regulation.

Purpose of the Study:

  • To review recent advances in understanding the interplay between diet and genetics in obesity.
  • To explore how gene-diet interactions affect weight loss and maintenance.
  • To highlight the potential for personalized nutrition in obesity management.

Main Methods:

  • Review of recent prospective cohort studies and genome-wide association studies.
  • Analysis of randomized clinical trials investigating gene-diet interactions.
  • Synthesis of evidence on the impact of genetic factors on dietary interventions.

Main Results:

  • Genome-wide association studies have advanced the understanding of body weight regulation genetics.
  • Evidence suggests interactions between genetic factors and dietary intake (e.g., sugar-sweetened beverages) influence obesity risk.
  • Individual genotypes can modify responses to diet interventions, affecting weight loss and metabolic traits.

Conclusions:

  • Emerging data support the role of gene-diet interactions in weight loss and maintenance.
  • Personalized diet interventions based on genetic profiles hold promise for obesity reduction.
  • Further research is needed for replication, functional exploration, and clinical translation.