Inositolphosphoglycan second messengers
Braz. j. med. biol. res
;
27(2): 327-41, Feb. 1994. ilus
Article
in English
| LILACS
| ID: lil-140272
ABSTRACT
The mechanisms by which cellular receptors can elicit different biological responses in a maturation state-dependent manner is one of the central problems in cell differentiation which remains to be resolved. The signals generated are likely to be due to additional (as yet unknown) transmembrane signalling pathways. In addition, the recent observation that a single growth factor receptor can activate a whole family of different putative second messengers and that the combinatorial interactions and stoichiometric ratios between the different messengers determine the resulting biological activities has opened up a whole new area of cell biology. It has been proposed that membrane GPI-anchors may function in signal transduction. We have recently confirmed the presence of a family of inositolphosphoglycan second messengers. Partial structural data suggest that these second messengers are not derived from known GPI membrane anchors and may thus constitute a novel class of non-protein-conjugated GPI
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Index:
LILACS (Americas)
Main subject:
Phosphatidylinositols
/
Glycolipids
/
Inositol
/
Insulin
Language:
English
Journal:
Braz. j. med. biol. res
Journal subject:
Biology
/
Medicine
Year:
1994
Type:
Article
/
Congress and conference
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