Madesh, Muniswamy ; Balasubramanian, Kunissery A. (1997) Activation of intestinal mitochondrial phospholipase D by polyamines and monoamines Biochimica et Biophysica Acta (BBA): Lipids and Lipid Metabolism, 1348 (3). pp. 324-330. ISSN 0005-2760
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00052...
Related URL: http://dx.doi.org/10.1016/S0005-2760(97)00074-X
Abstract
Intestinal mitochondria have a phospholipase D (PLD) activity which was stimulated by polyamines and monoamines resulting in the formation of phosphatidic acid (PA) from endogenous phospholipids. When stimulated by polyamines, mitochondrial PLD utilized endogenous phosphatidylethanolamine (PE) as substrate whereas stimulated by monoamines, both PE and phosphatidylcholine (PC) were hydrolysed. Stimulation of PA formation by spermine was enhanced by the presence of calcium. Since polyamines are known to alter the calcium transport by mitochondria and PA is known to possess an ionophore effect, stimulation of PA formation in mitochondria by polyamines suggests that polyamine-induced alteration in calcium homeostasis might involve a PA related mechanism.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | Polyamines; Monoamines; Phospholipase D; Phosphatidic Acid; Intestinal Mitochondria |
| ID Code: | 1447 |
| Deposited On: | 04 Oct 2010 11:18 |
| Last Modified: | 14 May 2011 05:05 |
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