Acetylcholine stimulation of selective increases in stearic and arachidonic acids in phosphatidic acid in mouse pancreas

Ronald L. Geison, Martin Banschbach, Kenneth Sadeghian, Mabel Hokin-Neaverson

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

During the acetylcholine-stimulated loss of phosphatidylinositol and gain in the level of phosphatidic acid in mouse pancreas, there is a selective increase in stearic and arachidonic acids in phosphatidic acid. The amounts parallel the decrease in phosphatidylinositol, which contains predominantly these two fatty acids. Addition of atropine to stimulated tissue reverses the changes. There is a selective disappearance of the stearoyl, arachidonoyl phosphatidic acid, and phosphatidylinositol increases. The changes support the hypothesis that the 1-stearoyl, 2-arachidonoyl diglyceride backbone of phosphatidylinositol becomes phosphatidic acid during acetylcholine stimulation, and is transformed back to phosphatidylinositol on reversion to the unstimulated state.

Original languageEnglish
Pages (from-to)343-349
Number of pages7
JournalBiochemical and Biophysical Research Communications
Volume68
Issue number2
DOIs
StatePublished - 26 Jan 1976

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Stearic Acids
Phosphatidic Acids
Phosphatidylinositols
Acetylcholine
Pancreas
Diglycerides
Atropine
Fatty Acids
Tissue

Cite this

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abstract = "During the acetylcholine-stimulated loss of phosphatidylinositol and gain in the level of phosphatidic acid in mouse pancreas, there is a selective increase in stearic and arachidonic acids in phosphatidic acid. The amounts parallel the decrease in phosphatidylinositol, which contains predominantly these two fatty acids. Addition of atropine to stimulated tissue reverses the changes. There is a selective disappearance of the stearoyl, arachidonoyl phosphatidic acid, and phosphatidylinositol increases. The changes support the hypothesis that the 1-stearoyl, 2-arachidonoyl diglyceride backbone of phosphatidylinositol becomes phosphatidic acid during acetylcholine stimulation, and is transformed back to phosphatidylinositol on reversion to the unstimulated state.",
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Acetylcholine stimulation of selective increases in stearic and arachidonic acids in phosphatidic acid in mouse pancreas. / Geison, Ronald L.; Banschbach, Martin; Sadeghian, Kenneth; Hokin-Neaverson, Mabel.

In: Biochemical and Biophysical Research Communications, Vol. 68, No. 2, 26.01.1976, p. 343-349.

Research output: Contribution to journalArticle

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