Literature DB >> 8232289

Signal transduction in Trypanosoma cruzi: opposite effects of adenylcyclase and phospholipase C systems in growth control.

M M Oliveira1, E D Rocha, E Rondinelli, A V Arnholdt, J Scharfstein.   

Abstract

Fetal calf serum (FCS), which is mitogenic for the pathogenic protozoa T. cruzi, inhibits cAMP production in basal and forskolin-stimulated epimastigotes. It also activates phosphoinositides hydrolysis yielding diacylglycerol and inositol phosphates (Ins-P). Ins-P production is enhanced by AlF4-, GTP or beta-gamma-methylene-GTP, thus implying G proteins mediation in the phenomenon. An enzyme with phospholipase C activity which may be involved in the phospholipid metabolism was partially characterized.

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Year:  1993        PMID: 8232289     DOI: 10.1007/bf00929200

Source DB:  PubMed          Journal:  Mol Cell Biochem        ISSN: 0300-8177            Impact factor:   3.396


  24 in total

1.  Trypanosoma cruzi: adrenergic modulation of cyclic AMP role in proliferation and differentiation of amastigotes in vitro.

Authors:  S L de Castro; M de N Meirelles; M M Oliveira
Journal:  Exp Parasitol       Date:  1987-12       Impact factor: 2.011

Review 2.  Molecular basis of transmembrane signal transduction in Dictyostelium discoideum.

Authors:  P M Janssens; P J Van Haastert
Journal:  Microbiol Rev       Date:  1987-12

3.  Adenosine 3',5'-monophosphate in reproducing and differentiated trypanosomes.

Authors:  J E Strickler; C L Patton
Journal:  Science       Date:  1975-12-12       Impact factor: 47.728

4.  Protein kinase C in Trypanosoma cruzi epimastigote forms: partial purification and characterization.

Authors:  M L Gómez; L Erijman; S Arauzo; H N Torres; M T Téllez-Iñón
Journal:  Mol Biochem Parasitol       Date:  1989-09       Impact factor: 1.759

5.  Cyclic AMP and adenylate cyclase activators stimulate Trypanosoma cruzi differentiation.

Authors:  M Gonzales-Perdomo; P Romero; S Goldenberg
Journal:  Exp Parasitol       Date:  1988-08       Impact factor: 2.011

6.  Production of diglyceride from phosphatidylinositol in activated human platelets.

Authors:  S Rittenhouse-Simmons
Journal:  J Clin Invest       Date:  1979-04       Impact factor: 14.808

7.  The inositol phosphate/diacylglycerol signalling pathway in Trypanosoma cruzi.

Authors:  R Docampo; O P Pignataro
Journal:  Biochem J       Date:  1991-04-15       Impact factor: 3.857

8.  Inositol trisphosphate production in squid photoreceptors. Activation by light, aluminum fluoride, and guanine nucleotides.

Authors:  S F Wood; E Z Szuts; A Fein
Journal:  J Biol Chem       Date:  1989-08-05       Impact factor: 5.157

9.  Glycophosphatidylinositol-anchored proteins in metacyclic trypomastigotes of Trypanosoma cruzi.

Authors:  S Schenkman; N Yoshida; M L Cardoso de Almeida
Journal:  Mol Biochem Parasitol       Date:  1988-06       Impact factor: 1.759

10.  Growth of Trypanosoma cruzi epimastigotes controlled by shifts in cyclic AMP mediated by adrenergic ligands.

Authors:  M M Oliveira; A Antunes; F G De Mello
Journal:  Mol Biochem Parasitol       Date:  1984-04       Impact factor: 1.759

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