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The Relaxin-3 Receptor, RXFP3, Is a Modulator of Aging-Related Disease.

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Aging impairs cellular repair and increases mortality. Combining glucose metabolism support with DNA repair, targeting the GIT2-RXFP3/RLN3 pathway, offers a promising anti-aging strategy for age-related diseases.

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Area of Science:

  • Molecular Biology
  • Gerontology
  • Metabolism

Background:

  • Aging leads to increased cellular stress and unrepaired damage, impairing function and increasing mortality.
  • Effective anti-aging strategies require combined glucometabolic support and DNA damage protection/repair.
  • The protein GIT2 (ADP-ribosylation factor GTPase activating protein) is crucial in aging, regulating both DNA repair and glucose metabolism.

Purpose of the Study:

  • To explore the molecular mechanisms of RXFP3/RLN3 signaling in aging and age-related disorders.
  • To investigate the role of GIT2 in aging and its relationship with RXFP3.
  • To understand how RLN3, an insulin-like peptide, influences aging-related conditions.

Main Methods:

  • In vivo co-expression analyses to identify relationships between GIT2 and RXFP3.
  • Investigating the impact of DNA damage and oxidative stress on cellular RXFP3 expression.
  • Reviewing literature on RLN3's role in aging mechanisms and disease processes.

Main Results:

  • GIT2 exhibits a strong coexpression relationship with RXFP3.
  • Cellular RXFP3 expression is sensitive to DNA damage and oxidative stress.
  • RLN3/RXFP3 signaling modulates DNA damage response and repair, and impacts aging-related conditions like anxiety, depression, and memory dysfunction.

Conclusions:

  • The GIT2-RXFP3/RLN3 pathway is a key regulator in aging and age-related diseases.
  • Targeting this pathway offers a potential therapeutic strategy for combating aging.
  • RLN3/RXFP3 signaling presents a novel target for interventions in aging and associated pathologies.