Related topics: prostate cancer

Novel role of progestin signaling in fish spermatogenesis

Cytochrome P450, family 17, subfamily A, polypeptide 1 (cyp17a1) is a critical enzyme involved in gonadal steroidogenesis, including androgen and estrogen production. Among sex steroids, androgen signaling disruption is known ...

Two genes regulate social dominance

Rank in social hierarchy is a condition not solely claimed by humans. In the animal kingdom, male peacocks exhibit brightly colored plumes to illustrate dominance, and underwater, male fish show pops of bright colors to do ...

Testosterone key to new bird bang theory

New research from a Wake Forest University biologist who studies animal behavior suggests that evolution is hard at work when it comes to the acrobatic courtship dances of a tropical bird species.

Battles between steroid receptors to regulate fat accumulation

The androgen receptor in human cells inhibits fat accumulation, but its activity can be sabotaged by glucocorticoids, steroids that regulate fat deposition and are known drivers of obesity and insulin resistance, said researchers ...

'Winner effect' linked to changes in brain circuitry, study finds

The next time the Brewers go on a road-trip skid, it might not be their fault. The "winner effect," in which animals that win a competition win subsequent ones, occurs because of changes in their brain's circuitry. Those ...

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