ANK2 and myocardial infarction: There may be hsa_circ_0001147/hsa-miR-204-5p/GPM6A axis, hsa_circ_0004771/hsa-miR-629-3p/SRSF1 axis, hsa_circ_0061276/hsa-miR-629-3p/SRSF1 axis, hsa_circ_ 0045519/hsa-miR-298/ANK2 axis and hsa_circ_0004561 hsa-miR-298/ANK2 axis regulatory relationship involved in myocardial infarction.