# Can MOTS-c levels predict major cardiac events in aging populations?

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Peptide Longevity Q&A · 2025-12-16


    Research indicates that circulating MOTS-c levels are associated with an increased risk of acute coronary syndrome and can predict major adverse cardiac events in patients with acute myocardial infarction, highlighting its potential relevance in aging populations.

 What the research shows

The study investigated the role of MOTS-c, a mitochondrial open reading frame of the 12S ribosomal RNA type-c, in patients experiencing acute coronary syndrome. A total of 400 subjects were enrolled and categorized into three groups: normal controls, unstable angina, and acute myocardial infarction. Researchers measured serum levels of MOTS-c and markers of oxidative stress, such as thiobarbituric acid reactive substances, upon initial admission. They recorded hospitalization data, major adverse cardiac events (MACE), and followed up for 18 months to assess outcomes.

 Why it matters for longevity

The findings suggest that MOTS-c could serve as a biomarker for cardiovascular health, particularly in older adults who are at a heightened risk for events like myocardial infarction. The association between higher MOTS-c levels and increased oxidative stress may indicate a link between mitochondrial function and aging processes. Understanding how MOTS-c influences cardiac events can provide insights into potential interventions aimed at improving healthspan and longevity, especially in aging populations.

 Key findings at a glance

Circulating MOTS-c levels were higher in patients with acute coronary syndrome.

MOTS-c showed a positive correlation with markers of oxidative stress.

MOTS-c levels had a sensitivity of 0.890 for predicting unstable angina and myocardial infarction.

In acute myocardial infarction patients, MOTS-c levels could predict MACE with a sensitivity of 0.800.

Oxidative stress was shown to induce MOTS-c levels, suggesting a feedback mechanism.

 How MOTS-c works (background)

MOTS-c is a peptide derived from mitochondrial DNA that plays a role in cellular metabolism and stress responses. It is believed to modulate oxidative stress and promote antioxidant activity, which can be crucial during periods of cellular stress, such as those encountered in acute coronary syndrome. By influencing mitochondrial function, MOTS-c may help maintain cellular health and longevity, particularly in tissues that are highly susceptible to oxidative damage.

 Safety, caveats, and what we don't yet know

While the study highlights the potential of MOTS-c as a biomarker for cardiovascular events, it is important to recognize that the research is still in its early stages. The study population was limited to individuals with acute coronary syndrome, and further research is needed to explore the implications of MOTS-c levels in broader populations, including those without existing cardiovascular conditions. Additionally, the exact mechanisms by which MOTS-c influences aging and health outcomes require further investigation to establish causality and therapeutic potential.

 Bottom line

Circulating MOTS-c levels are associated with an increased risk of acute coronary syndrome and may serve as a predictive biomarker for major adverse cardiac events in aging populations.

 Related questions

 How does MOTS-c influence oxidative stress in aging?

Research suggests that MOTS-c may help reduce oxidative stress by activating antioxidant pathways, which is particularly important in aging tissues that experience increased oxidative damage.

 What role does MOTS-c play in mitochondrial function?

MOTS-c is involved in regulating mitochondrial metabolism and may enhance cellular resilience to stress, which is crucial for maintaining cellular longevity and function.

 Can MOTS-c be used in combination with other therapies?

While current research focuses on MOTS-c as a standalone biomarker, its potential synergy with other longevity interventions remains an area for future exploration, particularly in clinical settings.

 Source: PubMed · J Am Heart Assoc · published 2025-12-16.

## Sources

- PubMed · J Am Heart Assoc: https://pubmed.ncbi.nlm.nih.gov/41368821/