Researchers Discover How Starfish Cut Ties with Their Limbs
Researchers Discover How Starfish Cut Ties with Their Limbs
A neuropeptide helps starfish shed their arms to escape predators, providing clues about the mechanisms regulating self-amputation.
A neuropeptide helps starfish shed their arms to escape predators, providing clues about the mechanisms regulating self-amputation.
neuropeptides
The Origins of Hunger Regulation
Mariella Bodemeier Loayza Careaga, PhD | Oct 2, 2023 | 2 min read
A neuropeptide suppressed feeding in two evolutionarily distant species, suggesting that hunger regulation may go back to the roots of the tree of life.
A Protein-Rich Diet Helps Mice and Flies Sleep More Soundly: Study
Alejandra Manjarrez, PhD | Mar 24, 2023 | 3 min read
The effect appears to be mediated by a gut-secreted peptide that signals to neurons in the brain that modulate the response to mechanical vibrations.
The Hunt for a Blood Test for Alzheimer’s Disease
Shawna Williams | Dec 1, 2019 | 10 min read
Researchers hope circulating biomarkers will enable earlier detection and better monitoring of the neurodegenerative disorder—and perhaps help usher in new treatments.
NPSR1 Variant Linked to Less Sleep in People: Study
Emily Makowski | Oct 16, 2019 | 2 min read
“Short sleeper” mice engineered to have the same sequence in the gene sleep less but show the same performance on memory tests as animals that sleep a normal amount.