Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase.

Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase. Research Abstract Details 

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Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase. Abstract Text:

K Yamada,M Terashima,M Shimoyama,M Tsuchiya,

An arginine-specific ADP-ribosyltransferase activity was detected in chicken gizzard smooth muscle, and the specific activity is highest in the membrane fraction. This transferase is released from the membrane fraction by phosphatidylinositol-specific phospholipase C (PI-PLC), suggesting that it is a glycosylphosphatidylinositol (GPI)-anchored protein. When primary cultured gizzard smooth muscle cells (SMCs) were incubated with [adenylate-(32)P]NAD, several proteins were labeled. The labeling was inhibited by preincubation of the cells with PI-PLC, or by the addition of L-arginine to the reaction, and was sensitive to hydroxylamine treatment. The activity of the transferase was maintained in differentiated SMCs cultured with insulin, but was dramatically decreased concomitantly with cell dedifferentiation induced by serum or a specific PI3-kinase inhibitor, LY294002. These results indicate that the GPI-anchored arginine-specific ADP-ribosyltransferase is expressed on the surface of differentiated SMCs and can modify several cell surface proteins. Our results also suggest that PI3-kinase is involved in the regulation of transferase activity during differentiation.

Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase. Publishing Authors By Initials

K Yamada,M Terashima,M Shimoyama,M Tsuchiya,

For similar type c phospholipases research abstracts see: type c phospholipases research

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Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of biochemistry

VOLUME: 130

Page Numbers: 335-40

Journal Abbreviation: J. Biochem.

ISSN: 0021-924X

DAY: 19

MONTH: Sep

YEAR: 2001

Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase. Information

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LANGUAGE: eng

NlmUniqueID: 376600

Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase. Keywords Mesh Terms:

KEYWORDS: Type C Phospholipases

MESH TERMS: metabolism

Chemical & Substance for Abstract: Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase. Information

Substance Name: Phosphatidylinositol Diacylglycerol-Lyas

Registry Number: EC 4.6.1.13

Grant and Affiliation Information for Arginine-specific ADP-ribosyltransferase on the surface of gizzard smooth muscle cells and the involvement of phosphatidylinositol 3-kinase in maintaining the activity of this transferase.

AFFILIATION: Department of Biochemistry, Shimane Medical University, Izumo 693-8501, Japan.

Country: Japan

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MEDLINETA: J Biochem

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