It has been indicated that HCMV infection may be related to hypertension in the Kazakh Chinese population in Xinjiang province (China) through serum angiotensin-converting enzyme (sACE) hypomethylation and 11-d hydroxysteroid dehydrogenase 2(HSD11β2) hypermethylation30. The gene discussed is ACE; the disease is cytomegalovirus infection.