Prkci Reference Search Result - Rat Genome Database

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RGD ID	Title	Citation	Abstract	PubMed	Pub Date
11342337	PRKCI negatively regulates autophagy via PIK3CA/AKT-MTOR signaling.	Qu L, etal., Biochem Biophys Res Commun. 2016 Feb 5;470(2):306-12. doi: 10.1016/j.bbrc.2016.01.059. Epub 2016 Jan 11.	The atypical protein kinase C isoform PRKC iota (PRKCI) plays a key role in cell proliferation, differentiation, and carcinogenesis, and it has been shown to be a human oncogene. Here, we show that PRKCI overexpression in U ... (more) 2OS cells impaired functional autophagy in normal or cell stress conditions, as characterized by decreased levels of light chain 3B-II protein (LC3B-II) and weakened degradation of endogenous and exogenous autophagic substrates. Conversely, PRKCI knockdown by small interference RNA resulted in opposite effects. Additionally, we identified two novel PRKCI mutants, PRKCI(L485M) and PRKCI(P560R), which induced autophagy and exhibited dominant negative effects. Further studies indicated that PRKCI knockdown-mediated autophagy was associated with the inactivation of phosphatidylinositol 3-kinase alpha/AKT-mammalian target of rapamycin (PIK3CA/AKT-MTOR) signaling. These data underscore the importance of PRKCI in the regulation of autophagy. Moreover, the finding may be useful in treating PRKCI-overexpressing carcinomas that are characterized by increased levels of autophagy.	26792725	2016-07-01
11530722	Association of polymorphisms in PRKCI gene and risk of prostate cancer in a sample of Iranian Population.	Hashemi M, etal., Cell Mol Biol (Noisy-le-grand). 2015 Oct 16;61(5):16-21.	The atypical protein kinase C iota (aPKCiota) is an oncoprotein encoded by the PRKCI gene. It has been reported to play multifunctional roles in cellular maintenance, cell proliferation, survival, differentiation and apoptosis. In the present study we aimed to ... (more) assess the impact of PRKCI rs546950 C>T and rs4955720 C>A polymorphisms on prostate cancer (PCa) risk in a sample of Iranian population. This case-control study was done on 169 patients with pathologically confirmed PCa and 182 benign prostatic hyperplasia (BPH). The PCR-RFLP method was used for detection rs546950 C>T and rs4955720 C>A polymorphisms. Our findings showed that rs546950 polymorphism of PRKCI decreased the risk of PCa in codominant (OR=0.35, 95%CI=0.19-0.64, P<0.001, CT vs CC) and dominant (OR=0.39, 95%CI=0.22-0.69, P=0.001, CT+TT vs CC) inheritance model tested. No significant association was found between rs4955720 C>A polymorphism and PCa. In the combined analysis of these two variants subjects carrying CT/CC, CT/CA, TT/AA and CT/AA significantly decreased the risk of PCa in comparison with rs546950 CC/rs4955720 CC genotype. Haplotype analysis indicated that rs546950T/rs4955720A decreased the risk of PCa compared to CC. In conclusion, the results revealed that PRKCI rs546950 variant decreased the risk of PCa in an Iranian population. Further studies with larger sample sizes and different ethnicities are required to confirm our findings.	26475383	1000-08-01