News tagged with hormone

Related topics: breast cancer · women · plants · estrogen · protein

Sexuality orients stress reactivity

Gay and bisexual men and heterosexual women have lower stress reactivity compared to heterosexual men. This is the surprising conclusion of a doctoral study undertaken by Robert-Paul Juster of the Institut universitaire en ...

Oct 27, 2015
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Hormonal status impacts genetic variation, CIMT link

(HealthDay)—Hormonal status seems to interact with genetic variants to influence cardiovascular phenotypes, especially those within the innate immunity pathway related to carotid artery intima-medial thickness (CIMT), according ...

Nov 13, 2015
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Hormones (from Greek ὁρμή - "impetus") are chemicals released by cells that affect cells in other parts of the body. Only a small amount of hormone is required to alter cell metabolism. It is essentially a chemical messenger that transports a signal from one cell to another. All multicellular organisms produce hormones; plant hormones are also called phytohormones. Hormones in animals are often transported in the blood. Cells respond to a hormone when they express a specific receptor for that hormone. The hormone binds to the receptor protein, resulting in the activation of a signal transduction mechanism that ultimately leads to cell type-specific responses.

Endocrine hormone molecules are secreted (released) directly into the bloodstream, while exocrine hormones (or ectohormones) are secreted directly into a duct, and from the duct they either flow into the bloodstream or they flow from cell to cell by diffusion in a process known as paracrine signalling.

This text uses material from Wikipedia, licensed under CC BY-SA

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