At the Intersection of Microbiota and Circadian Clock: Are Sexual Dimorphism and Growth Hormones the Missing Link to Pathology?: Circadian Clock and Microbiota: Potential Egffect on Growth Hormone and Sexual Development

Weger, Benjamin D.; Rawashdeh, Oliver; Gachon, Frédéric

At the Intersection of Microbiota and Circadian Clock: Are Sexual Dimorphism and Growth Hormones the Missing Link to Pathology?: Circadian Clock and Microbiota: Potential Egffect on Growth Hormone and Sexual Development

2019

Weger, Benjamin D. | Rawashdeh, Oliver | Gachon, Frédéric

Reciprocal interactions between the host circadian clock and the microbiota are evidenced by recent literature. Interestingly, dysregulation of either the circadian clock or microbiota is associated with common human pathologies such as obesity, type 2 diabetes, or neurological disorders. However, it is unclear to what extent a perturbation of pathways regulated by both the circadian clock and microbiota is involved in the development of these disorders. It is speculated that these perturbations are associated with impaired growth hormone (GH) secretion and sexual development. The GH axis is a broadly neglected pathway and could be the main converging point for the interaction of both circadian clock and microbiota. Here, the links between the circadian clock and microbiota are reviewed. Finally, the effects of chronodisruption and dysbiosis on physiology and pathology are discussed and it is speculated whether a common deregulation of the GH pathway could mediates those effects.

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