نتایج جستجو برای: akt3
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The kinase Akt is a key downstream mediator of the phosphoinositide-3-kinase signaling pathway and participates in a variety of cellular processes. Akt comprises three isoforms each encoded by a separate gene. There is evidence to indicate that Akt is involved in the survival and protection of auditory hair cells in vitro. However, little is known about the physiological role of Akt in the inne...
Screening methods of High-Grade Serous Ovarian Cancer (HGSOC) lack specificity and sensitivity, partly due to benign tumors producing false-positive findings. We utilized a differential expression analysis pipeline on malignant tumor (MT) and normal epithelial (NE) samples, and also filtered the results to discriminate between MT and benign tumor (BT). We report that a panel of 26 dysregulated ...
To get insights on the metastatic process of human neuroblastoma (NB), the miRNA expression profile of bone marrow (BM)-infiltrating cells has been determined and compared to that of primary tumors.Twenty-two BM-infiltrating cells, 22 primary tumors, and 4 paired samples from patients with metastatic NB aged > 12 months were analyzed for the expression of 670 miRNAs by stem-loop RT-qPCR. The mi...
AKT/PKB is a phosphoinositide-dependent serine/threonine protein kinase that plays a critical role in the signal transduction of receptors. It also serves as an oncogene in the tumorigenesis of cancer cells when aberrantly activated by genetic lesions of the PTEN tumor suppressor, phosphatidylinositol 3-kinase, and receptor tyrosine kinase overexpression. Here we have characterized and compared...
The AKT family, comprising three highly homologous kinases, is an essential mediator of the PTEN/PI3K pathway, which is deregulated in many human cancers. A thorough understanding of the specific activities of each isoform in normal and disease tissues is lacking. We evaluated the role of each Akt isoform in gliomagenesis by using a model system driven by common glioma abnormalities, loss of fu...
Recent studies indicate that dysregulation of the Akt/PKB family of serine/threonine kinases is a prominent feature of many human cancers. The Akt/PKB family is composed of three members termed Akt1/PKBalpha, Akt2/PKBbeta, and Akt3/PKBgamma. It is currently not known to what extent there is functional overlap between these family members. We have recently identified small molecule inhibitors of...
Little is known about the possible oncogenic roles of genes encoding for the phosphatidylinositol 4-kinases, a family of enzymes that regulate an early step in phosphoinositide signalling. To address this issue, the mutational status of all four human phosphatidylinositol 4-kinases genes was analyzed across 852 breast cancer samples using the COSMIC data resource. Point mutations in the phospha...
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