Type 2 diabetes (T2DM) is a multifactorial disease with serious complications, particularly degenerative. Currently, several genes have been identified in its pathogenesis, including the 5,10-methylene tetrahydrofolate reductase (MTHFR) gene with an association of the c.677C>T and c.1298A>C variants. The aim of this study was first to investigate the frequency of these variants in Congolese subjects with T2DM and to compare them with healthy controls. Secondly, to establish a correlation between...