Neuromodulation in the fish brain for reproductive success

IF 1.7 3区医学 Q3 ENDOCRINOLOGY & METABOLISM

General and comparative endocrinology Pub Date : 2025-02-01 DOI:10.1016/j.ygcen.2024.114658

Chie Umatani

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Abstract

In most teleosts, appropriate sexual behaviors and sexual maturation are essential for reproductive success. Most fish display their unique behavioral patterns for mating. These behaviors are thought to be regulated in the brain by sex steroid hormones since sexual behaviors are displayed only by sexually mature fish. In addition, recent studies have reported that neuropeptides, which are peptides released from neurons and modulate neural activities via their specific receptors in the brain, also play a key role in regulating sexual behavior. On the other hand, not only sexual behavior but also feeding behavior is important for reproductive function since sexual maturation requires sufficient nutrition. Especially feeding-related peptides, a type of neuropeptides, are thought to modulate feeding behavior. Thus, it is conceivable that neuropeptides are crucial modulators in the brain for reproductive success. This review summarizes recent advances in the knowledge of the neuromodulatory systems involved in sexual and feeding behaviors by neuropeptides and gonadal hormones.

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鱼类大脑中对繁殖成功的神经调节。

在大多数硬骨鱼中，适当的性行为和性成熟对繁殖成功至关重要。大多数鱼在交配时表现出独特的行为模式。这些行为被认为是由大脑中的性类固醇激素调节的，因为只有性成熟的鱼才会表现出性行为。此外，最近的研究报道，神经肽是神经元释放的肽，通过其在大脑中的特定受体调节神经活动，在调节性行为中也起着关键作用。另一方面，由于性成熟需要足够的营养，因此不仅性行为，摄食行为对生殖功能也很重要。尤其是进食相关肽，一种神经肽，被认为可以调节进食行为。因此，可以想象，神经肽是大脑中生殖成功的关键调节剂。本文综述了神经肽和性腺激素参与性行为和摄食行为的神经调节系统的最新进展。

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来源期刊

General and comparative endocrinology 医学-内分泌学与代谢

CiteScore

5.60

自引率

7.40%

发文量

120

审稿时长

2 months

期刊介绍： General and Comparative Endocrinology publishes articles concerned with the many complexities of vertebrate and invertebrate endocrine systems at the sub-molecular, molecular, cellular and organismal levels of analysis.