ULTRASTRUCTURAL LOCALIZATION OF Mg++-DEPENDENT DINITROPHENOL-STIMULATED ADENOSINE TRIPHOSPHATASE IN HUMAN BLOOD PLATELETS | Zendy

Victor G. Vethamany | Zendy; Sydney S. Lazarus | Zendy

Open Access

ULTRASTRUCTURAL LOCALIZATION OF Mg⁺⁺-DEPENDENT DINITROPHENOL-STIMULATED ADENOSINE TRIPHOSPHATASE IN HUMAN BLOOD PLATELETS

Author(s) -

Victor G. Vethamany,

Sydney S. Lazarus

Publication year - 1967

Publication title -

journal of histochemistry and cytochemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.971

H-Index - 124

eISSN - 1551-5044

pISSN - 0022-1554

DOI - 10.1177/15.5.267

Subject(s) - adenosine triphosphatase , dinitrophenol , triphosphatase , 2,4 dinitrophenol , platelet , chemistry , enzyme , adenosine triphosphate , ultrastructure , biochemistry , mitochondrion , calcium , atpase , biophysics , biology , anatomy , organic chemistry , immunology

Fine structural localization of adenosine triphosphatase activity was studied in human platelets briefly fixed in cold formol calcium and then incubated in lead medium with added dinitrophenol. Under these conditions, the Mg ++ -dependent dinitrophenol-stimulated adenosine triphosphatase of platelet mitochondria was demonstrated, but neither granules nor plasma membrane showed enzyme activity.

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