Title : 8-Chloro-cAMP inhibits transforming growth factor alpha transformation of mammary epithelial cells by restoration of the normal mRNA patterns for cAMP-dependent protein kinase regulatory subunit isoforms which show disruption upon transformation.

Pub. Date : 1990 Jan 15

PMID : 1688548






11 Functional Relationships(s)
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1 8-Chloro-cAMP inhibits transforming growth factor alpha transformation of mammary epithelial cells by restoration of the normal mRNA patterns for cAMP-dependent protein kinase regulatory subunit isoforms which show disruption upon transformation. 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus
2 8-Chloro-cAMP inhibits transforming growth factor alpha transformation of mammary epithelial cells by restoration of the normal mRNA patterns for cAMP-dependent protein kinase regulatory subunit isoforms which show disruption upon transformation. 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus
3 Such selective modulation of protein kinase isozyme regulatory subunits was also found in the 8-Cl-cAMP-induced inhibition of both transformation and transforming growth factor alpha (TGF alpha) production in Ki-ras-transformed rat kidney fibroblasts (Tortora, G., Ciardiello, F., Ally, S., Clair, T., Salomon, D. S., and Cho-Chung, Y. S. (1989) FEBS Lett. 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Rattus norvegicus
4 Such selective modulation of protein kinase isozyme regulatory subunits was also found in the 8-Cl-cAMP-induced inhibition of both transformation and transforming growth factor alpha (TGF alpha) production in Ki-ras-transformed rat kidney fibroblasts (Tortora, G., Ciardiello, F., Ally, S., Clair, T., Salomon, D. S., and Cho-Chung, Y. S. (1989) FEBS Lett. 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Rattus norvegicus
5 In this work, we have demonstrated that 8-Cl-cAMP antagonizes the TGF alpha effect in TGF alpha-transformed mouse mammary epithelial cells (NOG-8TFC17) at the level of gene expression for cAMP receptor protein isoforms, RI and RII (the regulatory subunits of protein kinase isozymes). 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus
6 In this work, we have demonstrated that 8-Cl-cAMP antagonizes the TGF alpha effect in TGF alpha-transformed mouse mammary epithelial cells (NOG-8TFC17) at the level of gene expression for cAMP receptor protein isoforms, RI and RII (the regulatory subunits of protein kinase isozymes). 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus
7 In this work, we have demonstrated that 8-Cl-cAMP antagonizes the TGF alpha effect in TGF alpha-transformed mouse mammary epithelial cells (NOG-8TFC17) at the level of gene expression for cAMP receptor protein isoforms, RI and RII (the regulatory subunits of protein kinase isozymes). 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus
8 In this work, we have demonstrated that 8-Cl-cAMP antagonizes the TGF alpha effect in TGF alpha-transformed mouse mammary epithelial cells (NOG-8TFC17) at the level of gene expression for cAMP receptor protein isoforms, RI and RII (the regulatory subunits of protein kinase isozymes). 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus
9 8-Cl-cAMP, which induced growth inhibition and phenotypic reversion in NOG-8TFC17 cells, caused an inverse change in the mRNA patterns of the cAMP receptor proteins; RI alpha cAMP receptor mRNA sharply decreased to levels comparable with that of the nontransformed NOG-8 cells, whereas RII beta mRNA increased to a level even greater than that in the NOG-8 cells. 8-chloro-cyclic adenosine monophosphate protein kinase, cAMP dependent regulatory, type II beta Mus musculus
10 In addition, 8-Cl-cAMP brought about a reduction in both TGF alpha mRNA and protein levels. 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus
11 Thus, the antagonistic effect of 8-Cl-cAMP toward TGF alpha-induced transformation involves modulation of the expression of a specific set of cellular genes. 8-chloro-cyclic adenosine monophosphate transforming growth factor alpha Mus musculus