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Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
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The Creation of a Rat Model for Osteosarcopenia via Ovariectomy
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Micronutrients and sarcopenia: current perspectives.

Sian Robinson1,2, Antoneta Granic1,2, Avan Aihie Sayer1,2

  • 1AGE Research Group, Translational and Clinical Research Institute, Newcastle University, Newcastle upon Tyne, UK.

The Proceedings of the Nutrition Society
|May 20, 2021
PubMed
Summary
This summary is machine-generated.

Micronutrient intake may influence sarcopenia risk, a muscle-wasting condition common in older adults. Further research is needed to understand the role of nutrients like antioxidants, B vitamins, and magnesium in preventing muscle loss.

Keywords:
AgeingMicronutrientMuscleSarcopenia

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Area of Science:

  • Gerontology
  • Nutritional Science
  • Muscle Physiology

Background:

  • Sarcopenia, a skeletal muscle disorder causing loss of muscle strength and mass, is prevalent in aging populations and linked to adverse health outcomes.
  • Incomplete understanding of sarcopenia's pathophysiology hinders effective prevention and treatment strategies.
  • While nutrition is crucial, the impact of habitual diets and dietary changes on sarcopenia remains unclear.

Purpose of the Study:

  • To explore the association between micronutrient intake and sarcopenia risk and its components.
  • To identify specific micronutrients potentially involved in sarcopenia etiology.
  • To highlight gaps in current research and advocate for future studies.

Main Methods:

  • Review of existing evidence linking low micronutrient intakes to sarcopenia risk, muscle strength, mass, and physical performance.
  • Analysis of observational and cross-sectional studies.
  • Identification of consistent findings across studies regarding specific nutrient groups.

Main Results:

  • Growing evidence suggests a link between low micronutrient intake and increased risk of sarcopenia or its components.
  • Antioxidant nutrients, B vitamins, and magnesium show potential roles, though evidence is largely observational.
  • Associations are often described in cross-sectional studies with varying muscle outcome measures.

Conclusions:

  • Low micronutrient intake is a potential risk factor for sarcopenia, particularly in older adults.
  • Further research, especially from well-characterized prospective cohorts, is essential to clarify the role of micronutrients in sarcopenia.
  • Evidence is needed to inform dietary guidelines for promoting muscle health in aging populations.