• Annals of medicine · Dec 2024

    Obesity is associated with lower levels of negative emotions in polycystic ovary syndrome in clinical and animal studies.

    • Haolin Zhang, Yang Ye, Yue Zhao, Shi Li, Peijie Jiao, Yang Yang, Yuxin Jin, Lin Zeng, Hua Zhang, Meishuang Chen, Hong Jiang, Lifei Zhou, Jiayi Li, Dong Li, and Rong Li.
    • Department of Traditional Chinese Medicine, Peking University Third Hospital, Beijing, China.
    • Ann. Med. 2024 Dec 1; 56 (1): 23731992373199.

    BackgroundPolycystic ovary syndrome (PCOS) is one of the most common endocrine and metabolic disorders in women of reproductive age. It is frequently comorbid with obesity and negative emotions. Currently, there are few reports on the relationship between obesity and negative emotions in patients with PCOS. Here we performed both basic and clinical studies to study the relationship between obesity and negative emotions in PCOS.MethodsWe performed a cross-sectional study including 608 patients with PCOS and 184 healthy participants to assess the mental health status of people with different body mass indices (BMI). Self-rated anxiety, depression, and perceived stress scales were used for subjective mood evaluations. Rat PCOS models fed 45 and 60% high-fat diets were used to confirm the results of the clinical study. Elevated plus maze and open field tests were used to assess anxiety- and depression-like behaviors in rats.ResultsWe observed overweight/obesity, increased depression, anxiety, and perceived stress in women with PCOS, and found that anxiety and depression were negatively correlated with BMI in patients with severe obesity and PCOS. Similar results were confirmed in the animal study; the elevated plus maze test and open field test demonstrated that only 60% of high fat diet-induced obesity partly reversed anxiety- and depression-like behaviors in PCOS rats. A high-fat diet also modulated rat hypothalamic and hippocampal luteinizing hormone and testosterone levels.ConclusionThese results reveal a potential relationship between obesity and negative emotions in PCOS and prompt further investigation. The interactions between various symptoms of PCOS may be targeted to improve the overall well-being of patients.

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