Age-related changes in neuronal uptake of catecholamines

Avellar, M. C. W; Markus, R. P

Avellar, M. C. W; Markus, R. P.

Braz. j. med. biol. res ; 21(3): 553-5, Mar. 1988. ilus

Article in En | LILACS | ID: lil-60250

Responsible library: BR1.1

ABSTRACT

ABSTRACT

Age-related changes in the neuronal uptake of labelled noradrenaline were analyzed in transversally sectioned portions of 4-, 12-and 20-month old rat vas deferens. Uptake was a saturable process apparently following the Michaelis-Menten equation. By determining the values of Km and Vmax, it was possible to conclude that neuronal uptake does not change with age in the epididymal portion of the vas deferens and is reduced in the prostatic portion of 20-month old rats

Subject(s)

Rats; Animals; Male; Aging/metabolism; Epididymis/metabolism; Nephrons/metabolism; Norepinephrine/metabolism; Prostate/metabolism; Vas Deferens/metabolism

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Index: LILACS Main subject: Prostate / Vas Deferens / Aging / Norepinephrine / Epididymis / Nephrons Limits: Animals Language: En Journal: Braz. j. med. biol. res Journal subject: BIOLOGIA / MEDICINA Year: 1988 Type: Article / Congress and conference / Project document

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