There is a need for new options for reducing the side effects of cancer treatment, without compromising efficacy, enabling patients to complete treatment regimens. The botanical compound LCS101 exhibits inhibitory effects on cancer cell growth, and reduces chemotherapy-induced hematological toxicities. The aim of the present study is to examine the selectivity of the effects of the compound, alone and in conjunction with conventional chemotherapy agents, on cancer cell proliferation.
View Article and Find Full Text PDFThe phosphoinositide 3-kinase (PI3K) pathway regulates a multitude of cellular processes. Deregulation of PI3K signaling is often observed in human cancers. A major effector of PI3K is Akt/protein kinase B (PKB).
View Article and Find Full Text PDFThe frequent deregulation of the phosphoinositide 3-kinase/Akt survival signaling pathway in cancer has prompted significant interest in blocking this pathway to treat cancer. Recently, however, two studies have shown that the Akt isoform Akt1 limits the invasive migration of breast cancer cells. These studies suggest that Akt1 may have a dual role in tumorigenesis, acting not only pro-oncogenically by suppressing apoptosis but also anti-oncogenically by suppressing invasion and metastasis.
View Article and Find Full Text PDFThe PI 3-K signaling pathway has been the subject of intense investigation for over a decade because it regulates a multitude of cellular processes. Deregulation of this pathway often results in human diseases such as cancer. The serine/threonine kinase Akt, a major PI 3-K target in all cells, has received considerable attention because it provides tumor cells with enhanced survival capacity.
View Article and Find Full Text PDFThe phosphoinositide 3-kinase (PI 3-K) signaling axis is intimately associated with deregulated cancer cell growth, primarily by promoting increased survival through Akt/PKB (protein kinase B). However, there is relatively little information on the role of Akt in cancer cell motility, a key phenotype of invasive carcinomas. Here we report that activation of Akt inhibits carcinoma migration and invasion of breast cancer cells.
View Article and Find Full Text PDFGenes that have been designated the name "MUC" code for proteins comprising mucin domains. These proteins may be involved in barrier and protective functions. The first such gene to be characterized and sequenced is the MUC1 gene.
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