期刊
FRONTIERS IN NEUROENDOCRINOLOGY
卷 64, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yfrne.2021.100953
关键词
Gonadotropin-inhibitory hormone; Hypothalamic-pituitary-gonadal axis; Reproduction; Hypothalamic-pituitary-adrenal axis; Stress; Glucocorticoid
资金
- Japan Society for the Promotion of Science [22132004, 22227002, 2402082, 15F15909, 18K0631608, 21K0624001]
- Grants-in-Aid for Scientific Research [15F15909] Funding Source: KAKEN
Under stressful conditions, the GnIH neuropeptide may play a key role in regulating reproductive function. Different types and durations of stress can modulate the GnIH system, impacting the activity of the HPG axis. GnIH appears to be a potential novel mediator responsible for stress-induced reproductive dysfunction.
Under stressful condition, reproductive function is impaired due to the activation of various components of the hypothalamic-pituitaryadrenal (HPA) axis, which can suppress the activity of the hypothalamic-pituitary-gonadal (HPG) axis at multiple levels. A hypothalamic neuropeptide, gonadotropin-inhibitory hormone (GnIH) is a key negative regulator of reproduction that governs the HPG axis. Converging lines of evidence have suggested that different stress types and their duration, such as physical or psychological, and acute or chronic, can modulate the GnIH system. To clarify the sensitivity and reactivity of the GnIH system in response to stress, we summarize and critically review the available studies that investigated the effects of various stressors, such as restraint, nutritional/metabolic and social stress, on GnIH expression and/or its neuronal activity leading to altered HPG action. In this review, we focus on GnIH as the potential novel mediator responsible for stress induced reproductive dysfunction.
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