Abstract
Common variants of multiple genes play a role in glioma onset. However, research related to astrocytoma, the most common primary brain neoplasm, is rare. In this study, we chose 21 tagging SNPs (tSNPs), previously reported to be associated with glioma risk in a Chinese case–control study from Xi’an, China, and identified their contributions to astrocytoma susceptibility. We found an association with astrocytoma susceptibility for two tSNPs (rs6010620 and rs2853676) in two different genes: regulator of telomere elongation helicase 1 (RTEL1) and telomerase reverse transcriptase (TERT), respectively. We confirmed our results using recessive, dominant, and additive models. In the recessive model, we found two tSNPs (rs2297440 and rs6010620) associated with increased astrocytoma risk. In the dominant model, we found that rs2853676 was associated with increased astrocytoma risk. In the additive model, all three tSNPs (rs2297440, rs2853676, and rs6010620) were associated with increased astrocytoma risk. Our results demonstrate, for the first time, the potential roles of RTEL1 and TERT in astrocytoma development.
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This work is supported by the National Natural Science Foundation of China (no. 81272776) and China Postdoctoral Science Foundation Project (no. 2013T60886).
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Tian-Bo Jin and Jia-Yi Zhang are joint first authors.
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Jin, TB., Zhang, JY., Li, G. et al. RTEL1 and TERT polymorphisms are associated with astrocytoma risk in the Chinese Han population. Tumor Biol. 34, 3659–3666 (2013). https://doi.org/10.1007/s13277-013-0947-0
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DOI: https://doi.org/10.1007/s13277-013-0947-0