CTSS and diabetes mellitus: In addition, multivariate logistic regression analysis of risk factors related to acute atherosclerotic cerebral infarction showed that systolic blood pressure, diastolic blood pressure, fasting blood glucose, homocysteine, history of diabetes, smoking history, the T allele at rs774320676 site of CTSS, and the G allele at rs928508030 site of CTSS are independent risk factors of acute atherosclerotic cerebral infarction.