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Evaluation of Hepatic Glucose Production in a Polycystic Ovary Syndrome Mouse Model
Published on: March 5, 2022
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Insulin resistance and PCOS: chicken or egg?
P Moghetti1, F Tosi2
1Unit of Endocrinology, Diabetes and Metabolism, Department of Medicine, University of Verona and Azienda Ospedaliera Universitaria Integrata Verona, P.le Stefani, 1, 37126, Verona, Italy. paolo.moghetti@univr.it.
Journal of Endocrinological Investigation
|July 11, 2020
Summary
Polycystic ovary syndrome (PCOS) is linked to insulin resistance, a key factor in its development. Understanding the complex interplay between PCOS, hyperandrogenism, and insulin resistance is crucial for effective treatment.
Area of Science:
- Endocrinology
- Reproductive Medicine
- Metabolic Disorders
Background:
- Polycystic ovary syndrome (PCOS) is a common endocrine disorder affecting women of reproductive age.
- PCOS is frequently associated with metabolic abnormalities, notably insulin resistance, affecting approximately 75% of individuals.
- The precise origin of insulin resistance in PCOS remains unclear, despite established links.
Purpose of the Study:
- To review current evidence on the complex relationship between hyperandrogenism and impaired insulin action in women with PCOS.
- To elucidate the mechanisms underlying insulin resistance in PCOS.
- To explore the bidirectional interactions between androgen excess and insulin resistance.
Main Methods:
- Literature review of existing studies on PCOS, insulin resistance, and hyperandrogenism.
- Analysis of evidence regarding the causal relationship and contributing factors.
- Synthesis of data on endocrine and reproductive traits influenced by insulin resistance and androgens.
Main Results:
- Insulin resistance and hyperinsulinemia can drive PCOS endocrine and reproductive features.
- Androgen excess can independently impair insulin action.
- Obesity exacerbates insulin resistance in PCOS, though it can occur in normal-weight individuals.
Conclusions:
- The relationship between insulin resistance and PCOS is complex and bidirectional.
- Vicious cycles involving androgen excess, insulin resistance, and other factors complicate understanding the primary origin.
- Further research is needed to untangle the intricate mechanisms linking hyperandrogenism and insulin resistance in PCOS.
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