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Hyperproliferation of the premalignant epithelium is critical for colonic carcinogenesis; however the mechanisms remain largely unexplored. We report herein that prior to occurrence of neoplastic lesions in the azoxymethane-rat model of colon carcinogenesis; the tumor suppressor gene C-terminal Src kinase (Csk) was down-regulated with a concomitant increase(More)
Src-family kinases, a closely related group of nonreceptor tyrosine kinases play key role in eukaryotic signal transduction. The Src kinases are recognized as important targets for therapeutic interventions to treat cancer and immunological diseases. The specific aim of this work was to select new leads for development of ATP-site directed low molecular(More)
BACKGROUND In a previous study we found that in chickweed the expression level of the pro-SmAMP2 gene was comparable or even higher to that of the β-actin gene. This high level of the gene expression has attracted our attention as an opportunity for the identification of novel strong promoters of plant origin, which could find its application in plant(More)
The nucleotide sequence of a fragment of the promoter region of pro-SmAMP1 gene, having a length of 1257 bp and encoding antifungal peptides, was determined in chickweed (Stellaria media (L.) Vill.). Computer analysis of the nucleotide sequence revealed a number of cis-elements that are typical strong plant promoters. Five 5′-deletion variants were created(More)
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