Il15 Reference Search Result - Rat Genome Database

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RGD ID	Title	Citation	Abstract	PubMed	Pub Date
5000760	IL15 gene variants are not associated with asthma and atopy.	Pinto LA, etal., Allergy. 2009 Apr;64(4):643-6. Epub 2008 Dec 24.	BACKGROUND: Interleukin 15 (IL15) promotes activation and proliferation of CD8+ T cells and enhances the differentiation into Th2 cells. A previous study described five polymorphisms in the IL15 gene to be associated with as ... (more) thma in a haplotype analysis. AIM: We selected HapMap tagging single nucleotide polymorphisms (SNPs) from IL15 to systematically investigate these IL15 associations in a large population-based sample. METHODS: Genotyping of seven IL15 SNPs was performed using MALDI-TOF MS in a cross-sectional study population of 3099 children from Dresden or Munich (age 9-11 years). All children were phenotyped by standardized and validated protocols for atopic phenotypes. Effects of single SNPs and haplotypes were studied using sas 9.1.3 and haploview. Equivalence tests were performed to prove the significance of negative results. RESULTS: Neither single IL15 polymorphisms nor haplotype analyses showed associations with asthma or atopy after correction for multiple testing. CONCLUSION: These results do not confirm previous case-control studies and suggest that IL15 gene variants do not play an important role in the development for asthma or other atopic disorders.	19133918	2009-03-01
11251970	IL15 Agonists Overcome the Immunosuppressive Effects of MEK Inhibitors.	Allegrezza MJ, etal., Cancer Res. 2016 May 1;76(9):2561-72. doi: 10.1158/0008-5472.CAN-15-2808. Epub 2016 Mar 15.	Many signal transduction inhibitors are being developed for cancer therapy target pathways that are also important for the proper function of antitumor lymphocytes, possibly weakening their therapeutic effects. Here we show that most inhibitors targeting multiple signaling pathways have especially s ... (more) trong negative effects on T-cell activation at their active doses on cancer cells. In particular, we found that recently approved MEK inhibitors displayed potent suppressive effects on T cells in vitro However, these effects could be attenuated by certain cytokines that can be administered to cancer patients. Among them, clinically available IL15 superagonists, which can activate PI3K selectively in T lymphocytes, synergized with MEK inhibitors in vivo to elicit potent and durable antitumor responses, including by a vaccine-like effect that generated resistance to tumor rechallenge. Our work identifies a clinically actionable approach to overcome the T-cell-suppressive effects of MEK inhibitors and illustrates how to reconcile the deficiencies of signal transduction inhibitors, which impede desired immunologic effects in vivo Cancer Res; 76(9); 2561-72. (c)2016 AACR.	26980764	2016-06-01
8663473	Family based association analysis of the IL2 and IL15 genes in allergic disorders.	Christensen U, etal., Eur J Hum Genet. 2006 Feb;14(2):227-35.	Allergic diseases affect an increasing number of individuals and are a major global health problem. A substantial genetic contribution in the aetiology of allergic diseases is well documented. We have previously reported linkage of allergic diseases and atopy to the region harbouring the IL2 gene (4 ... (more) q27). IL15 is located approximately 20 Mb distal to IL2. The two genes encode cytokines that are structurally and functionally related, both inducing T-cell activation and proliferation. We screened the two genes for sequence variation and applied the seven single-nucleotide polymorphisms (SNPs) identified in a family based association study of two Danish samples comprising a total of 235 families with allergic diseases. None of the IL15 SNPs showed significant association and the haplotype analysis yielded inconsistent results in the two samples. In contrast, the two IL2 SNPs showed association both separately and in haplotypes with several atopic phenotypes, most significantly with IgE-mediated allergy. (single SNP P-value 0.0005 for positive skin prick test, haplotype P-value 0.019 for positive RAST test). To our knowledge, this is the first study reporting association between IL2 and IgE-mediated allergy, asthma and atopic eczema. The SNP (rs2069762) that showed the most consistent results is located in the promoter and has previously been shown to influence the level of IL2 expression. We suggest that the observed overtransmission of the T allele of this SNP may convey increased susceptibility to allergic disease by skewing the Th1/Th2 balance towards Th2.	16333313	2006-07-01