hormones

A neuropeptide helps starfish shed their arms to escape predators, providing clues about the mechanisms regulating self-amputation.

A brain-derived hormone that improves bone health could guide new treatments for age-related bone conditions. 

Detecting endocrine disrupting compounds for monitoring or characterization requires ultrapure water for consistent results. 

Influenza infection activates a pathway that leads to a detrimental drop in progesterone during pregnancy in mice.

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.

A new era of reliable recombinant proteins makes it possible for researchers to replace tissue-derived biomarkers in a variety of diagnostic assays.

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.

Neelanjan Mukherjee discusses how RNA decay is essential for regulating a blood pressure-controlling hormone.

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.

Researchers study obesity by assessing ghrelin levels in biological samples.