Results 311 to 320 of about 298,796 (340)
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Phospholipase A2

Journal of Biochemistry, 2002
Phospholipase A2 (PLA2) catalyzes the hydrolysis of the sn-2 position of membrane glycerophospholipids to liberate arachidonic acid (AA), a precursor of eicosanoids including prostaglandins (PGs) and leukotrienes (LTs). The same reaction also produces lysophosholipids, which represent another class of lipid mediators.
I, Kudo, M, Murakami
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Phospholipases in yeast

Seminars in Cell & Developmental Biology, 1997
The central role that different phospholipases play in many signal transduction pathways has been intensively studied by classical biochemical and molecular approaches. One approach not extensively pursued, has been the use of yeast as a model system for functional analysis of different aspects of phospholipase signalling.
Catherine N. Torgler   +2 more
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Phospholipase A2

Prostaglandins, Leukotrienes and Essential Fatty Acids, 2003
Considerable progress has been made in characterizing the individual participant enzymes and their relative contributions in the generation of eicosanoids, lipid mediators derived from arachidonic acid, such as prostaglandins and leukotrienes. However, the role of individual phospholipase (PL) A(2) enzymes in providing arachidonic acid to the ...
Bruno L. Diaz, Jonathan P. Arm
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Phospholipases in the nucleus

Seminars in Cell & Developmental Biology, 1997
There is a well established role for various phospholipases involved in the production of intracellular signals at the plasma membrane. In contrast much less is known of their role in other intracellular compartments, however, emerging evidence would suggest that some of these enzymes are also involved in the production of signals within the nucleus ...
Divecha, N.   +3 more
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Phospholipase D

Biochimica et Biophysica Acta (BBA) - Molecular and Cell Biology of Lipids, 1996
Abstract:Phospholipase D is an ubiquitous enzyme that hydrolyzes phosphatidylcholine to phosphatidic acid and choline. Its cellular actions are related to the production of phosphatidic acid and include alterations to cell growth, shape, and secretion.
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Physiological functions of phospholipase Cδ1 and phospholipase Cδ3

Advances in Biological Regulation, 2013
Phospholipase C (PLC) is a key enzyme in phosphoinositide turnover, and in the regulation of various cellular events. Among the 13 PLC isozymes, PLCδ1 and PLCδ3 share a high sequence homology, and similar tissue distribution. Recent studies with genetically manipulated mice have clarified the importance of these PLC isozymes in a number of tissues ...
Yoshikazu Nakamura   +2 more
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Inhibition of phospholipase A2 and phospholipase C by polyamines

Archives of Biochemistry and Biophysics, 1978
Abstract The polyamines spermine, spermidine, and putrescine inhibit the activity of phospholipase A2 (Naja naja) and phospholipase C (Clostridium welchii) on phospholipid vesicles and mitochondrial membranes as sources of substrate phospholipids. The inhibitory effect is highest for spermine and lowest for putrescine.
P. Pasquali   +4 more
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Phospholipases of the myocardium

1987
The myocardium contains diverse cellular components and heterogeneous phospholipid-containing membranes. The major phospholipids are phosphatidylcholine, phosphatidylethanolamine, phosphatidylinositnol, sphingomyelin and cardiolipin. The phospholipases capable of hydrolyzing these membrane lipids include phospholipase A, lysophospholipase, and ...
William B. Weglicki, M. G. Low
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Phospholipases: An Overview

2012
Phospholipids are present in all living organisms. They are a major component of all biological membranes, along with glycolipids and cholesterol. Enzymes aimed at cleaving the various bonds in phospholipids, namely phospholipases, are consequently widespread in nature, playing very diverse roles from aggression in snake venom to signal transduction ...
Youssef Gargouri   +5 more
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Phospholipases of marine invertebrates—I. distribution of phospholipase a

Comparative Biochemistry and Physiology Part B: Comparative Biochemistry, 1972
Abstract 1. 1. The activities of phospholipases A, C and D were determined in the extracts of forty-six species from the main systematic groups of marine invertebrates with phosphatidyl choline, phosphatidyl ethanolamine and sphingomyelin as substrates. 2. 2. The majority of animals contained phospholipases A. 3. 3.
Z.S. Suppes, V.E. Vaskovsky
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