KMT2A and leukemia: The study of maternal diet in infants has been little studied, epidemiological studies have focused on the diet with foods that inhibit the function of the enzyme DNA Topoisomerase II, as it has been reported that infants with AL have a chromosomal aberration called KMT2A-r (also known as MLL -mixed-lineage or myeloid-lymphoid leukemia- gene at 11q23), at a frequency of 31% to 79% (16).