# What does research show about MOTS-c in adolescents with PCOS?

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Peptide Longevity Q&A · 2026-04-07


    Research indicates that serum MOTS-c levels in adolescents with polycystic ovary syndrome (PCOS) are higher than in healthy controls, although this difference is not statistically significant. The study found no significant association between MOTS-c levels and metabolic parameters in the PCOS group.

 What the research shows

The study investigated the relationship between serum MOTS-c levels and the m.1382A>C polymorphism of the MOTS-c gene in adolescents diagnosed with PCOS. The research included 121 adolescents with PCOS, characterized by irregular menstrual cycles and clinical or biochemical hyperandrogenism, and a control group of 125 healthy adolescents with regular menstruation. Serum MOTS-c levels were measured using enzyme-linked immunosorbent assay (ELISA), while the m.1382A>C polymorphism was analyzed through sequencing. The results indicated that the mean serum MOTS-c levels in the PCOS group were higher than in the control group, although this difference did not reach statistical significance (p = 0.059). Additionally, there was no significant association between MOTS-c levels and anthropometric or metabolic parameters within the PCOS group (p > 0.05). All participants exhibited the wild-type (A/A) genotype for the m.1382A>C polymorphism, suggesting no significant association with PCOS.

 Why it matters for longevity

The findings of this study contribute to the understanding of the role of MOTS-c in metabolic conditions such as PCOS, which is often associated with insulin resistance and obesity. While the study did not find a statistically significant difference in MOTS-c levels between adolescents with PCOS and healthy controls, the elevated levels in the PCOS group may suggest a compensatory mechanism in response to metabolic dysregulation. Understanding MOTS-c's involvement in metabolic pathways could have implications for longevity, particularly in populations at risk for metabolic disorders. Further research is needed to clarify the potential role of MOTS-c in metabolic health and its implications for longevity.

 Key findings at a glance

The study included 121 adolescents with PCOS and 125 healthy controls.

Serum MOTS-c levels were higher in the PCOS group compared to controls.

The difference in MOTS-c levels did not reach statistical significance (p = 0.059).

No significant associations were found between MOTS-c levels and metabolic parameters in the PCOS group (p > 0.05).

All participants had the wild-type (A/A) genotype for the m.1382A>C polymorphism.

The study suggests a minor involvement of MOTS-c in the pathophysiology of PCOS.

 How MOTS-c works (background)

MOTS-c is a mitochondria-derived peptide involved in various metabolic processes, including the regulation of insulin sensitivity and energy metabolism. It has been linked to reduced insulin resistance and obesity, which are critical factors in the development of type 2 diabetes and other metabolic disorders. The peptide is thought to exert its effects by modulating mitochondrial function and influencing cellular energy homeostasis. Understanding the mechanisms by which MOTS-c operates could provide insights into its potential therapeutic applications in aging and metabolic health.

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

While the study provides valuable insights into MOTS-c levels in adolescents with PCOS, it is essential to note that the findings are preliminary and based on a specific population. The lack of significant associations between MOTS-c levels and metabolic parameters suggests that further research is needed to explore the role of MOTS-c in different populations and age groups. Additionally, the study did not investigate the long-term implications of elevated MOTS-c levels or their potential impact on metabolic health and longevity. Future studies should aim to clarify these aspects and examine the effects of MOTS-c in various clinical contexts.

 Bottom line

In summary, while MOTS-c levels were higher in adolescents with PCOS compared to healthy controls, the difference was not statistically significant. The study suggests that MOTS-c may have a minor role in the pathophysiology of PCOS, warranting further investigation.

 Related questions

 Can MOTS-c influence insulin sensitivity in older adults?

Research suggests that MOTS-c may play a role in improving insulin sensitivity, particularly in metabolic disorders, but further studies are needed to confirm its effects in older populations.

 What is the relationship between MOTS-c and obesity?

MOTS-c has been associated with reduced insulin resistance and obesity, indicating its potential involvement in metabolic regulation, although more research is necessary to understand these relationships fully.

 How does MOTS-c affect mitochondrial function?

MOTS-c is believed to modulate mitochondrial function, which is crucial for energy metabolism and may have implications for aging and metabolic health.

 Source: PubMed · Arch Endocrinol Metab · published 2026-04-07.

## Sources

- PubMed · Arch Endocrinol Metab: https://pubmed.ncbi.nlm.nih.gov/41945630/