New Insights into the Treatment of Polycystic Ovary Syndrome: HKDC1 Promotes the Growth of Ovarian Granulocyte Cells by Regulating Mitochondrial Function and Glycolysis

Overview

Journal J Mol Histol

Specialty Biochemistry

Date 2024 Mar 13

PMID 38478190

Authors

Peiwei Cong

Bing Shang

Lina Zhang

Zhaoli Wu

Yanan Wang

Jia Li

Lin Zhang

Affiliations

Soon will be listed here.

Abstract

Polycystic ovary syndrome (PCOS) is an endocrine disease, and its pathogenesis and treatment are still unclear. Hexokinase domain component 1 (HKDC1) participates in regulating mitochondrial function and glycolysis. However, its role in PCOS development remains unrevealed. Here, female C57BL/6 mice were intraperitoneally injected with dehydroepiandrosterone (DHEA; 60 mg/kg body weight) to establish an in vivo model of PCOS. In vitro, KGN cells, a human ovarian granular cell line, were used to explore the potential mechanisms. DHEA-treated mice exhibited a disrupted estrus cycle, abnormal hormone levels, and insulin resistance. Dysfunction in mitochondria and glycolysis is the main reason for PCOS-related growth inhibition of ovarian granular cells. Here, we found that the structure of mitochondria was impaired, less ATP was generated and more mitochondrial Reactive Oxygen Species were produced in HKDC1-silenced KGN cells. Moreover, HKDC1 knockdown inhibited glucose consumption and decreased the production of glucose-6-phosphate and lactic acid. Conclusively, HKDC1 protects ovarian granulocyte cells from DHEA-related damage at least partly by preserving mitochondrial function and maintaining glycolysis.

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