hormones

Division of labor in ant colonies may depend on an enzyme trapped inside the blood-brain barrier.

From stem cell-recruiting gels to hormone cycle restoration, Tracy Criswell has big ideas about how to combat age-related decline in muscle regeneration.

The opportunistic pathogen Klebsiella aerogenes degrades estradiol and induces depressive-like behavior in mice, a study finds.

A study deepens the scientific understanding of how androgens influence breast tissue, which may offer clues to treating breast cancer. 

A hormone naturally induced by alcohol consumption accelerates the recovery of mice after binge drinking by activating neurons involved in arousal and alertness.

Prairie voles lacking functional receptors for oxytocin form normal social bonds, a finding that could explain the hormone’s clinical failures.

A new method for isolating extracellular fluid aims to discover molecules with therapeutic potential that were previously obscured by highly abundant proteins.

The findings likely have implications for animal research far beyond the study of antidepressants.

Pet dogs produce a larger volume of tears when they are reunited with their owners than with acquaintances, possibly because of surging oxytocin levels—findings that could be the first evidence of emotional crying in nonhuman animals.

Two glands increase steroid production after female California two-spot octopuses mate, a study finds. Those hormones may be responsible for the animals’ self-destructive behavior.

Researchers who study the phenomenon in humans should incorporate subjective experiences into data on love.

In Chapter 1, “Survival,” author Anna Machin describes the health benefits of strong human bonds.

The transcription factor can also drive the opposite transition depending on which hormone activates it, according to a new study.

Researchers studying rats claim to have found a novel connection between damage on one side of the brain and problems with the posture or movement of limbs on the opposite side of the body.

In her current work, the University of Southern California psychologist is examining how the transition to fatherhood affects men’s brains.

The University of Texas Southwestern professor’s research focused on the androgen hormones that cause male sexual differentiation and may also lead to prostate disease.

The hormone, which is well known for regulating appetite, appears to influence neuronal development—a finding that could shed light on disorders such as autism that involve dysfunctional synapse formation.