PI3K


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AcronymDefinition
PI3KPhosphatidylinositol-3-Kinase
PI3KPhosphoinositide 3-Kinase
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References in periodicals archive ?
The "Global Phosphoinositide 3-Kinase (PI3K) Inhibitors Market 2019-2023" report has been added to ResearchAndMarkets.com's offering.
The enzyme PI3K is activated in many or even most cancers, with some researchers considering PI3K over-activation an essential feature driving the disease.
PI3K[alpha] is a subunit of the PI3K signaling pathway, and the decrease in its signal reduces the number of L-type [Ca.sup.+2] channels present in the heart cells; a decreased L-type [Ca.sup.+2] channel current results in reduced contractility (19).
LXA4 ameliorates LPS-induced pulmonary edema and maintains lung airway epithelial cells and airway permeability.[8] LXA4 stimulates AFC through promoting alveolar ENaC subunits' expression and restores ENaC function against LPS.[9],[10] The phosphoinositide 3-kinase (PI3K)/serine threonine kinase (AKT) signaling pathway is reported to be profoundly involved in regulating ENaC subunits' expression induced by LXA4.[10],[11],[12],[13] However, how LXA4 enhance ENaC expression in lung alveolar epithelial cells is still largely elusive.
A mechanistic study using small molecule inhibitors of PI3K, mTOR, and GSK3[beta] revealed that PI3K/Akt/mTOR signaling but not PI3K/Akt/GSK3[beta] signaling played a major role in the epithelial cell-modulated Mtb-driven inflammatory responses of U937 macrophage-like cells.
Inhibition of PI3K with LY294002 (20 [micro]M) distinctly opposed the above-mentioned activation.
First, the constant rate of PIP3 dephosphorylation in AML cells is lower than normal cells as a result of various abnormal mechanisms in the PI3K signal upstream pathway, for example, PTEN deletion [8].
A combination of terms was used in Portuguese and English, including resistance exercise, insulin resistance, insulin resistance, and insulin signaling as well as the descriptors, PI3K, Akt/PKB, and GLUT4.
Effects of Endotoxin Tolerance on the Expression of PI3K and AKT in the Iris-Ciliary Body.
We also observed that 25 [micro]M LY-294002 (a PI3K inhibitor) significantly inhibited the expression of phospho-Akt in LX2-200c cells in a time-dependent manner (Figure 2(b)) and blocked the proliferation and migration of LX2-200c cells (Figures 2(c) and 2(d)).
Mechanisms for pathway activation include loss of tumor suppressor PTEN (phosphatase and tensin homolog) function, amplification or mutation of PI3K (phosphoinositide 3-kinase), amplification or mutation of AKT (protein kinase B), activation of growth factor receptors, and exposure to carcinogens [7, 8].
The membranes were blocked in 5% nonfat dry milk solution in a triethanolamine-buffered saline with Tween 20 (TBST) and then incubated with commercial antibodies specific for Bax, Bcl-2, Beclin1, LC3, GAPDH (CST, CA, USA), p-mTOR, mTOR, p-AKT (s473), AKT1/2/3, and PI3K p85 (Abcam, CA, USA) at 4[degrees]C overnight.