Proportion of ghrelin-inhibited neurons

Older age is associated with proportion of ghrelin-inhibited neurons in rats (7% in young, 50% in mature, and 64% in aged rats).

“In contrast, a large number of DMN neurons were inhibited by ghrelin in mature (50%) and aged rats (64%).”

AnimalsWistar ratsdorsomedial hypothalamic nucleusmales

Age-related shifts in ghrelin responsiveness of dorsomedial and ventromedial hypothalamic neurons in rats

Brain research·27 Apr 2026