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Impaired Mitochondrial DNA Copy Number in Visceral Adipose Tissue of Insulin-Resistant Individuals: Implications for Metabolic Dysregulation

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Investigation reveals reduced mtDNA copy number in visceral adipose tissue linked to insulin resistance, suggesting a metabolic dysfunction.

Mitochondrial DNA copy number is significantly lower in visceral adipose tissue of insulin-resistant individuals, indicating metabolic dysregulation.
mtDNA content in visceral adipose tissue was about two-fold lower than in subcutaneous tissue, emphasizing its role in energy metabolism.
Using Real-Time PCR on 27 paired adipose tissue biopsies, the study reveals important correlations with body mass index and metabolic regulation.
Results highlight the potential for targeting mitochondrial function in visceral adipose tissue to improve insulin sensitivity and metabolic health.

Ołdakowska et al. (2025) studied this question.

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Investigation reveals reduced mtDNA copy number in visceral adipose tissue linked to insulin resistance, suggesting a metabolic dysfunction.