RASGRP4 and tuberculosis: DNA methylation levels over −1188 CpG site of the RASGRP4 gene was increased in TB patients with high bacterial burden versus that in those with low bacterial burden (50.4 ± 10.7 versus 42.85 ± 10.8%, adjusted p = 0.03) or HS (43.8 ± 17.1%, adjusted p = 0.031).