Literature DB >> 6249391

Formation of cyclic AMP from exogenous ATP by isolated hepatocytes and adipocytes.

M J Crooke, E Allan, N Pattinson, J G Sneyd.   

Abstract

Suspensions of isolated rat hepatocytes and adipocytes converted exogenous ATP to cyclic AMP at a rate which was about 30--50% of that observed with homogenates of isolated cells. Formation of cyclic AMP was stimulated by hormones (isoprenaline in the case of adipose tissue and glucagon in the case of liver) and sodium fluoride. Experiments with [alpha-32P]ATP indicated that the conversion of exogenous ATP to cyclic AMP did not occur within the cells. It is proposed that in isolated hepatocytes ad adipocytes some catalytic units of adenylate cyclase are exposed on the outer surface of the cell membrane.

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Year:  1980        PMID: 6249391     DOI: 10.1016/0304-4165(80)90050-1

Source DB:  PubMed          Journal:  Biochim Biophys Acta        ISSN: 0006-3002


  2 in total

Review 1.  Permeabilization of transformed cells in culture by external ATP.

Authors:  L A Heppel; G A Weisman; I Friedberg
Journal:  J Membr Biol       Date:  1985       Impact factor: 1.843

2.  Effect of extracellular adenosine triphosphate on electrical properties of subconfluent Madin-Darby canine kidney cells.

Authors:  A J Lang; M Paulmichl
Journal:  J Physiol       Date:  1989-01       Impact factor: 5.182

  2 in total

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