Cytosolic phospholipase A2 type IVA is present in human red cells.

Abstract:

:Phospholipase A(2) type IVA (IVAPLA(2)) is a cytosolic enzyme that on activation selectively releases arachidonic acid (AA) from cell membrane phospholipids. Both AA and lysophospholipid, products of the enzymic reaction, can function as signal transducers in cellular interactions. The enzyme is present in most cells, including polymorphs, eosinophils, and platelets. This study used affinity purification to extract IVAPLA(2) from red cell lysate prepared from leukocyte- and platelet-depleted human blood to overcome the masking effect of hemoglobin on Western blot detection. We show that IVAPLA(2) is present in red cells as a 90-kDa protein.

journal_name

Blood

journal_title

Blood

authors

Macdonald DJ,Boyle RM,Glen AC,Horrobin DF

doi

10.1182/blood-2002-09-2698

subject

Has Abstract

pub_date

2004-05-01 00:00:00

pages

3562-4

issue

9

eissn

0006-4971

issn

1528-0020

pii

2002-09-2698

journal_volume

103

pub_type

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