نتایج جستجو برای: akt1
تعداد نتایج: 2115 فیلتر نتایج به سال:
BACKGROUND Akt is a critical mediator of developmental skeletal muscle growth. Treatment with a soluble ActRIIB fusion protein (ActRIIB-mFc) increases skeletal muscle mass and strength by inhibiting myostatin and related peptides. Recent in vitro studies have suggested that Akt signaling is necessary for the ability of ActRIIB inhibition to induce muscle hypertrophy. Thus, we hypothesized that ...
The AKT1 (v-akt murine thymoma viral oncogene homologue 1) kinase is a member of most frequently activated proliferation and survival signaling pathway in cancer. Recently, hyperactivation of AKT1, due to functional point mutation in the pleckstrin homology (PH) domain of AKT1 gene, has been found to be associated with human colorectal, breast and ovarian cancer. Thus, considering its crucial r...
With a propensity to invade the dermal lymphatic vessels of the skin overlying the breast and readily metastasize, inflammatory breast cancer (IBC) is arguably the deadliest form of breast cancer. We previously reported that caveolin-1 is overexpressed in IBC and that RhoC GTPase is a metastatic switch responsible for the invasive phenotype. RhoC-driven invasion requires phosphorylation by Akt1...
The hotspot E17K mutation in the pleckstrin homology domain of AKT1 occurs in approximately 0.6-2% of human lung cancers. In this manuscript, we sought to determine whether this AKT1 variant is a bona-fide activating mutation and plays a role in the development of lung cancer. Here we report that in immortalized human bronchial epithelial cells (BEAS-2B cells) mutant AKT1-E17K promotes anchorag...
Although the 3 isoforms of Akt regulate cell growth, proliferation, and survival in a wide variety of cell types, their role in B-cell development is unknown. We assessed B-cell maturation in the bone marrow (BM) and periphery in chimeras established with fetal liver progenitors lacking Akt1 and/or Akt2. We found that the generation of marginal zone (MZ) and B1 B cells, 2 key sources of antibac...
Purpose. Inflammation and apoptosis after spinal cord contusion (SCC) are important causes of irreversible injury. Interleukin-1? (IL-1?) is a key inflammatory factor that promotes the aggravation contusion. However, specific role regulatory mechanism IL-1? in still unclear. Therefore, this study applied bioinformatics to analyze mine potential gene targets interlinked with IL-1?, animal experi...
BACKGROUND S-phase kinase protein 2 (Skp2), an oncogenic protein, is a key regulator in different cellular and molecular processes, through ubiquitin-proteasome degradation pathway. Increased levels of Skp2 are observed in various types of cancer and associated with poor prognosis. However, in human breast carcinomas, the underlying mechanism and prognostic significance of cytoplasmic Skp2 is s...
The proteins NCX1, NCX2, and NCX3 expressed on the plasma membrane of neurons play a crucial role in ionic regulation because they are the major bidirectional system promoting the efflux and influx of Na(+) and Ca(2+) ions. Here, we demonstrate that NCX1 and NCX3 proteins are novel additional targets for the survival action of the phosphatidylinositol 3-kinase (PI3-K)/Akt pathway. Indeed, the d...
Martherus R, Jain R, Takagi K, Mendsaikhan U, Turdi S, Osinska H, James JF, Kramer K, Purevjav E, Towbin JA. Accelerated cardiac remodeling in desmoplakin transgenic mice in response to endurance exercise is associated with perturbed Wnt/ -catenin signaling. Am J Physiol Heart Circ Physiol 310: H174 –H187, 2016. First published November 6, 2015; doi:10.1152/ajpheart.00295.2015.—Arrhythmogenic v...
Mounting evidence indicates that S-Phase Kinase-Associated Protein 2 (SKP2) is overexpressed in human hepatocellular carcinoma (HCC). However, the role of SKP2 in hepatocarcinogenesis remains poorly delineated. To elucidate the function(s) of SKP2 in HCC, we stably overexpressed the SKP2 gene in the mouse liver, either alone or in combination with activated forms of N-Ras (N-RasV12), AKT1 (myr-...
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