Sulfur Amino Acid Restriction Mitigates High-Fat Diet-Induced Molecular Alterations in Cardiac Remodeling Primarily via FGF21-Independent Mechanisms
2024

How Sulfur Amino Acid Restriction Affects Heart Health

Sample size: 40 publication 10 minutes Evidence: moderate

Author Information

Author(s): Pinheiro Filipe, Lail Hannah, Neves João Sérgio, Negrão Rita, Wanders Desiree

Primary Institution: Georgia State University

Hypothesis

Does sulfur amino acid restriction improve cardiac remodeling and metabolic health independently of FGF21?

Conclusion

Sulfur amino acid restriction promotes beneficial cardiac changes primarily through mechanisms that do not involve FGF21.

Supporting Evidence

  • SAAR reduced body weight and visceral fat in both wild-type and FGF21 knockout mice.
  • SAAR increased serum FGF21 levels and altered cardiac gene expression related to metabolism.
  • SAAR mitigated oxidative stress and inflammation in the heart.
  • SAAR counteracted HFD-induced fibrotic gene expression.

Takeaway

Eating less sulfur amino acids can help keep your heart healthy, even if it doesn't rely on a specific hormone called FGF21.

Methodology

Male C57BL/6J wild-type and FGF21 knockout mice were assigned to different diets for five weeks to assess the effects of sulfur amino acid restriction on cardiac health.

Limitations

The study was conducted on mice, which may limit the applicability of the findings to humans.

Participant Demographics

Male C57BL/6J wild-type and FGF21 knockout mice, aged five to six weeks.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.3390/nu16244347

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