Hormonal control of fat cells adenylate cyclase.

Abstract:

:Fat cells were preincubated for 2 h in the presence and absence of growth hormone (GH) and Dexamethasone (Dex) before the addition of increasing concentrations of either epinephrine, theophylline or glucagon and final incubation of the cells for an additional 5 minutes. GH and Dex increased by 85%, 28% and 72%, respectively, the cAMP levels reached in the sole presence of 10(-5)M epinephrine, 10(-2)M theophylline or 5 X 10(-5)M glucagon. An adenylate cyclase particulate preparation shows that epinephrine decreases Km from 2mM to 0.6 MM and increases Vmax and the strength of interaction value (n) from 0.91 to 1.75.

journal_name

Mol Cell Biochem

authors

Harris R,Bennun A

doi

10.1007/BF01731776

subject

Has Abstract

pub_date

1976-12-10 00:00:00

pages

141-6

issue

3

eissn

0300-8177

issn

1573-4919

journal_volume

13

pub_type

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