title: Response to letter regarding article, "Impact of ACE2 deficiency and oxidative stress on cerebrovascular function with aging".
authors: Ricardo A
authors: RA
authors: Pena-Silva
authors: Frank M
authors: FM
authors: Faraci
authors: Donald D
authors: DD
authors: Heistad
mesh_terms: D000375:Aging / Q000378:metabolism*; D000818:Animals; D002536:Cerebral Arteries / Q000201:enzymology*; D002560:Cerebrovascular Circulation / Q000502:physiology*; D008297:Male; D018384:Oxidative Stress / Q000502:physiology*; D007703:Peptidyl-Dipeptidase A / Q000235:genetics*
chemical_list: D007703:Peptidyl-Dipeptidase A