Inositide-specific phospholipase C signalling in the nucleus

The nucleus of eukaryotic cells contains all the information needed for cell proliferation and differentiation, however the initiation of these programmes are dependent on the signalling pathway elicited by different agonists. The existence of a nuclear phosphoinositide signalling stems from the ear...

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Main Authors: FA Manzoli, RS Gilmour, SG Rhee, L Cocco
Format: Article
Language:English
Published: PAGEPress Publications 2009-12-01
Series:European Journal of Histochemistry
Online Access:http://ejh.pagepress.org/index.php/ejh/article/view/1574
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author FA Manzoli
RS Gilmour
SG Rhee
L Cocco
author_facet FA Manzoli
RS Gilmour
SG Rhee
L Cocco
author_sort FA Manzoli
collection DOAJ
description The nucleus of eukaryotic cells contains all the information needed for cell proliferation and differentiation, however the initiation of these programmes are dependent on the signalling pathway elicited by different agonists. The existence of a nuclear phosphoinositide signalling stems from the early evidence that isolated nuclei posses the lipid kinases capable of phosphorylating phosphatidylinositol (PI) and phosphatidylinositol 4-phosphate (PIP). The synthesis of phosphatidylinositol 4,5- phosphate (PIP2) was clearly increased only in the nuclear fraction from Friend cells terminally differentiated towards erythrocytes (Cocco et al., 1987). On the contrary its amount along with that of PIP was decreased in nuclei of Swiss 3T3 cells stimulated to grow with insulin-like growth factor-I (IGFI) (Manzoli et al., 1989). Following these early observations we and others have demonstrated in several cell type the participation of the whole phosphoinositide cycle in the nucleus (Cocco et al., 1994; Martelli et al., 1992; Divecha et al., 1991; Martelli et al., 1994; Mazzoni et al., 1992). Here we review the most recent achievements on this issue.
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spelling doaj.art-2a06caf0b65e4634898ba4251ff9edf72022-12-22T00:37:06ZengPAGEPress PublicationsEuropean Journal of Histochemistry1121-760X2038-83062009-12-01441455010.4081/ejh.2000.45Inositide-specific phospholipase C signalling in the nucleusFA ManzoliRS GilmourSG RheeL CoccoThe nucleus of eukaryotic cells contains all the information needed for cell proliferation and differentiation, however the initiation of these programmes are dependent on the signalling pathway elicited by different agonists. The existence of a nuclear phosphoinositide signalling stems from the early evidence that isolated nuclei posses the lipid kinases capable of phosphorylating phosphatidylinositol (PI) and phosphatidylinositol 4-phosphate (PIP). The synthesis of phosphatidylinositol 4,5- phosphate (PIP2) was clearly increased only in the nuclear fraction from Friend cells terminally differentiated towards erythrocytes (Cocco et al., 1987). On the contrary its amount along with that of PIP was decreased in nuclei of Swiss 3T3 cells stimulated to grow with insulin-like growth factor-I (IGFI) (Manzoli et al., 1989). Following these early observations we and others have demonstrated in several cell type the participation of the whole phosphoinositide cycle in the nucleus (Cocco et al., 1994; Martelli et al., 1992; Divecha et al., 1991; Martelli et al., 1994; Mazzoni et al., 1992). Here we review the most recent achievements on this issue.http://ejh.pagepress.org/index.php/ejh/article/view/1574
spellingShingle FA Manzoli
RS Gilmour
SG Rhee
L Cocco
Inositide-specific phospholipase C signalling in the nucleus
European Journal of Histochemistry
title Inositide-specific phospholipase C signalling in the nucleus
title_full Inositide-specific phospholipase C signalling in the nucleus
title_fullStr Inositide-specific phospholipase C signalling in the nucleus
title_full_unstemmed Inositide-specific phospholipase C signalling in the nucleus
title_short Inositide-specific phospholipase C signalling in the nucleus
title_sort inositide specific phospholipase c signalling in the nucleus
url http://ejh.pagepress.org/index.php/ejh/article/view/1574
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AT rsgilmour inositidespecificphospholipasecsignallinginthenucleus
AT sgrhee inositidespecificphospholipasecsignallinginthenucleus
AT lcocco inositidespecificphospholipasecsignallinginthenucleus