| Notes
|
A single nucleotide polymorphism in the CEBPD gene was found in 2.9% of patients studied. A single nucleotide polymorphism in the CEBPD gene was found in 2.9% of patients studied. AD tissue sections revealed profuse C/EBPdelta staining of astrocytes, particularly reactive astrocytes surrounding amyloid beta peptide deposits. Substantially less immunoreactivity was observed in comparable sections from controls. C EBP delta is a downstream mediator of IL-6 induced growth inhibition of prostate cancer cells. C/EBPdelta has a role in abolishing CBP phosphorylation as well as transcriptional activation and could be important in C/EBP-mediated transcription. Expression levels of C/EBPdelta in breast tumors were correlated with clinicopathological tumor parameters, expression of estrogen and progesterone receptors (ER, PR), Ki67 immunostaining, and expression of 7 cell-cycle regulatory proteins. Expression of C/EBPdelta in BCR-ABL-positive leukemic cells in blast crisis is sufficient for neutrophil differentiation. IL-6 increases hepatic PAI-1 expression mediated by the -232- to -210-bp region of the promoter containing a C/EBPdelta binding site. The protein encoded by this intronless gene is a bZIP transcription factor which can bind as a homodimer to certain DNA regulatory regions. It can also form heterodimers with the related protein CEBP-alpha. The encoded protein is important in the regulation of genes involved in immune and inflammatory responses, and may be involved in the regulation of genes associated with activation and/or differentiation of macrophages. These findings provide new insight into the regulation of cyclooxygenase-2 promoter by an interplay between two opposite beta isoforms and p300 co-activator. Posttranscriptional and posttranslational regulation in G0 growth-arrested mammary epithelial cells. Results demonstrate that ""loss of function"" alterations in the pSTAT3/C/EBPdelta growth inhibitory signal transduction pathway are relatively common in breast cancer cell lines. Results indicate that the C/EBPdelta gene is controlled at multiple levels, consistent with a role for C/EBPdelta in cell cycle control and/or cell fate determination. The PI3-kinase/p38(MAPK)/CREB pathway contributes to the EGF activation of NF-IL6beta gene expression.
|