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Bariatric Surgery and Precision Nutrition.

Carolina F Nicoletti1, Cristiana Cortes-Oliveira2, Marcela A S Pinhel3,4

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Nutritional genomics significantly impacts bariatric surgery outcomes by influencing genetic and epigenetic factors. Understanding these personalized responses is key for effective weight management after surgery.

Keywords:
DNA methylationbariatric surgerybiomarkersepigeneticsgenegene expressionmicrobiotaobesitypolymorphism

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Area of Science:

  • Nutritional Genomics
  • Bariatric Surgery
  • Personalized Medicine

Background:

  • Nutritional genomics explores the interplay between nutrition, genes, and health.
  • Bariatric surgery is a key intervention for obesity, with variable patient outcomes.
  • Personalized management strategies are crucial for optimizing bariatric surgery success.

Purpose of the Study:

  • To review current literature on nutritional genomics and bariatric surgery.
  • To highlight the role of genetics and epigenetics in surgical weight loss.
  • To discuss how bariatric surgery impacts nutritional genomics pillars.

Main Methods:

  • Literature review of studies on nutritional genomics and bariatric surgery.
  • Analysis of genetic (e.g., SNPs) and epigenetic factors (e.g., methylation, telomere length).
  • Examination of gene expression and gut microbiome changes post-surgery.

Main Results:

  • Genetic variations (SNPs) influence obesity phenotypes and weight loss post-bariatric surgery.
  • Bariatric surgery impacts epigenetic markers, including telomere length and gene methylation.
  • Significant weight loss alters gene expression in metabolic pathways and gut microbial communities.

Conclusions:

  • Nutritional genomics plays a vital role in individual responses to bariatric surgery.
  • Understanding molecular pathways is essential for successful weight loss maintenance.
  • Personalized approaches integrating genomics can improve bariatric patient outcomes.