hMLH1

Aberrant DNA methylation of MGMT and hMLH1 genes in prediction of gastric cancer

J. Jin, Xie, L., Xie, C. H., and Zhou, Y. F., Aberrant DNA methylation of MGMT and hMLH1 genes in prediction of gastric cancer, vol. 13, pp. 4140-4145, 2014.

We aimed to explore the association between aberrant DNA methylation of the O(6)-methylguanine-DNA methyltransferase (MGMT) and human mutL homolog 1 (hMLH1) genes with gastric cancer. A total of 283 gastric cancer patients who were confirmed by pathological diagnosis were included in our study. Aberrant DNA methylation of MGMT and hMLH1 were detected. The proportions of DNA hypermethylation in MGMT and hMLH1 in cancer tissues were significantly higher than those in remote normal-appearing tissues.

Analysis of the role of hMLH1 hypermethylation and microsatellite instability in meningioma progression

M. N. Chen, Wang, P., Zhang, J., Zhou, B. Y., Mao, Q., and Liu, Y. H., Analysis of the role of hMLH1 hypermethylation and microsatellite instability in meningioma progression, vol. 11, pp. 3933-3941, 2012.

We investigated a possible role of hMLH1 hypermethylation and microsatellite instability in meningioma progression. Fifty meningomas were examined for methylation of hMLH1 using a methylation-specific PCR; 43 of them were analyzed for microsatellite instability using nine microsatellite markers. Loss of heterozygosity on chromosome 22q was detected using two markers. Two atypical meningiomas showed microsatellite instability at four loci; one was methylated on hMLH1 and the other was unmethylated.

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