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Related Concept Videos

Obesity01:24

Obesity

999
The Body Mass Index (BMI) is a numerical value derived from a person's weight and height, used to categorize individuals into weight ranges. It is calculated using the formula: weight in kilograms divided by height in meters squared. Obesity is a health condition characterized by excessive accumulation of adipose tissue that poses health risks, often diagnosed with a BMI ≥ 30. This excess fat storage occurs when surplus dietary calories are converted into triglycerides and stored in...
999
Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion01:20

Pharmacokinetics in Obese Patients: Drug Metabolism and Excretion

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Drug metabolism, a critical process in the liver, involves two primary phases: Phase I reactions and Phase II conjugation. Obesity introduces significant alterations in this metabolic process, primarily due to fatty infiltration of the liver, leading to conditions such as nonalcoholic fatty liver disease (NAFLD). This condition can modify the activities of both Phase I and II enzymes, impacting how drugs are metabolized in obese patients.Phase I metabolism sees variable effects across...
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Parentral Nutrition: Centeral and Peripheral Parental Nutrition01:27

Parentral Nutrition: Centeral and Peripheral Parental Nutrition

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Parenteral Nutrition (PN) delivers essential nutrients directly into the bloodstream, bypassing the digestive system. It is commonly used for individuals with severe digestive disorders or conditions that prevent normal nutrient absorption.
PN can be administered through two primary routes:
1. Central Parenteral Nutrition (CPN):
CPN involves delivering a high concentration of nutrients through a large vein. This is typically achieved using a Peripherally Inserted Central Catheter (PICC) or,...
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Developmental Programming of NAFLD by Parental Obesity.

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  • 1Division of Endocrinology and Diabetes Department of Pediatrics Washington University School of Medicine St. Louis MO.

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Parental obesity and obesogenic diets can program offspring for nonalcoholic fatty liver disease (NAFLD). Further research is needed to understand mechanisms and explore interventions for this multigenerational health issue.

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Area of Science:

  • Hepatology
  • Endocrinology
  • Developmental Biology

Background:

  • Rising rates of obesity across generations pose health risks, including comorbidities in offspring.
  • Maternal obesity is linked to increased nonalcoholic fatty liver disease (NAFLD) susceptibility in offspring, potentially due to perinatal programming.
  • Preclinical models suggest maternal obesogenic diets can increase hepatic steatosis in offspring, but long-term NAFLD development and progression remain unclear.

Purpose of the Study:

  • To review the impact of parental obesity and obesogenic diet exposure on offspring NAFLD.
  • To identify knowledge gaps regarding the mechanisms of multigenerational NAFLD programming.
  • To explore potential interventions for parental obesity-related NAFLD in preclinical models.

Main Methods:

  • Review of longitudinal birth cohort studies.
  • Analysis of preclinical models examining offspring exposed to maternal obesity or obesogenic diets.
  • Synthesis of emerging data on paternal obesity's role in offspring NAFLD.

Main Results:

  • Evidence suggests parental obesity and obesogenic diets can reprogram offspring liver, increasing NAFLD susceptibility.
  • NAFLD incidence and progression in offspring can be influenced by parental factors, though outcomes may be model-dependent.
  • Mechanisms underlying multigenerational NAFLD programming and the role of paternal obesity require further elucidation.

Conclusions:

  • Parental obesity and diet are critical factors in offspring NAFLD development.
  • Understanding the mechanisms of multigenerational programming is essential for developing effective interventions.
  • Further investigation into disease progression and therapeutic strategies in preclinical models is warranted.