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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
GTPase-activating protein (GAP) for ARF1 and ARF5, which also shows strong GTPase activity. Isoform 1 participates in the prevention of neuronal apoptosis by enhancing PI3 kinase activity. It aids the coupling of metabotropic glutamate receptor 1 (GRM1) to cytoplasmic PI3 kinase by interacting with Homer scaffolding proteins, and also seems to mediate anti-apoptotic effects of NGF by activating nuclear PI3 kinase. Isoform 2 does not stimulate PI3 kinase but may protect cells from apoptosis by stimulating Akt. It also regulates the adapter protein 1 (AP-1)-dependent trafficking of proteins in the endosomal system. It seems to be oncogenic. It is overexpressed in cancer cells, prevents apoptosis and promotes cancer cell invasion.
基因功能參考文獻:
A pleckstrin homology domain in PIKE-L directly binds alpha-synuclein and antagonizes its aggregation. Accordingly, PIKE-L overexpression decreases dopaminergic cell death elicited by MPP(+), whereas PIKE-L knockdown elevates alpha-synuclein oligomerization and cell death. PMID: 28096359
these findings support that PIKE amplification or overexpression coordinately acts with CDK4 to drive glioblastoma tumorigenesis. PMID: 28368413
Studies showed that overexpression or mutation of PIKE has been observed in a variety of tumors, promoting cancer cell growth, transformation and invasion through AKT signaling or other signaling pathways, such as focal adhesion kinase. [review] PMID: 26977005
Mutation of Fyn phosphorylation sites on PIKE-A, depletion of Fyn, or pharmacological inhibition of Fyn blunts the association between PIKE-A and AMPK, resulting in loss of its inhibitory effect on AMPK. PMID: 26001218
expression of PLC-gamma1 and PIKE positively correlated with the tumor differentiation of oral squamous cell carcinoma. PMID: 26464646
PIKE reduction rescued PI3K-dependent and -independent neuronal defects in fragile X syndrome. PMID: 25921541
In this review the CENTG1 gene is amplified in a variety of human cancers which lead to the enhancement of tumor invasion. PMID: 23770988
AGAP2 plays a role in the signalling and recycling of beta2-adrenergic receptors. PMID: 23527545
Fyn regulates the activity of the adipogenic transcription factor signal transducer and activator of transcription 5a (STAT5a) through enhancing its interaction with the GTPase phosphoinositide 3-kinase enhancer A (PIKE-A). PMID: 23438599
PIKE is highly expressed in human squamous cell carcinoma and has a critical role in EGF-induced squamous cell carcinoma proliferation. PMID: 22349826
The presence of heterogeneous missense mutations of GGAP2 in prostate cancer was associated with aggressive clinical behavior. PMID: 22389719
PIKE is a critical factor in controlling synaptic AMPA receptor insertion. PMID: 21847098
Akt-phosphorylated PIKE-A inhibits UNC5B-induced apoptosis in cancer cell lines in a p53-dependent manner. [PIKE-A] PMID: 21460185
regulates retrograde protein transport between early endosomes and the Golgi complex PMID: 20551179
This study have identified, cloned and characterized PIKE-L, which localizes to both the cytoplasm and the nucleus, activates mGlur1 enhances formation of an mGluRI-Homer-PIKE-L complex, then activates PI3 kinase activity and prevents neuronal apoptosis. PMID: 14528310
a physiologic regulator of Akt and an oncogenic effector of cell invasion PMID: 14761976
PIKE binds PI 3-kinase & stimulates its lipid kinase activity. There are 3 isoforms which function throught the cell and meadiate processes from invasiveness to apoptosis. Review. PMID: 15951849
The AGAP2 colocalized with AP-1, transferrin receptor and Rab4 on endosomes. Overexpression of AGAP2 changed the intracellular distribution of AP-1 and promoted Rab4-dependent fast recycling of transferrin. PMID: 16079295
an important role of PIKE gene aberrations in the molecular pathogenesis of primary glioblastomas PMID: 16150119
Fyn is essential for phosphorylating PIKE-A and protects it from apoptotic cleavage. PMID: 16841086
The results of this study indicate that centaurins could be more accurately classified as NTPases and point to alternative mechanisms of cell signalling control. PMID: 17037982
Myxoma virus (MV) M-T5 host range protein is functionally interchangeable with the host PIKE-A protein and that the activation of host Akt by either M-T5 or PIKE-A is critical for the permissiveness of cancer cells for MV. PMID: 17151107
PIKE-A acts as a proto-oncogene, promoting cell transformation through Akt activation. PMID: 17297440
Ectopic expression of AGAP2 causes both BRAG2 and the coiled bodies' marker coilin to accumulate in nucleoli. PMID: 17461797
The cytoplasmic-nuclear shuttling of PIKE is dynamically regulated by the balancing actions of the lipid-binding property of both the split PH domain and the nuclear targeting function of its nuclear localization sequence. PMID: 18371979
In normal mice. PIKE-L strongly binds SET and prevents its degradation by AEP, leading to resistance of neuronal cell death. PMID: 18374643
PIKE-L acts as a downstream survival effector for netrin-1 through UNC5B in the nervous system PMID: 18469807
Cdk5 phosphorylates PIKE-A and stimulates its GTPase activity, which activates nuclear Akt and promotes glioblastoma cell migration and invasion. PMID: 18487454
Increased GGAP2 expression, which is present in three quarters of human prostate cancers, can activate two critical pathways that have been linked to prostate cancer initiation and progression. PMID: 19176382
AGAP2 regulates the FAK activity and the focal adhesion disassembly during cell migration. PMID: 19318351