GK2 and oligospermia: The maximum similarity was between MArrest and oligospermia, with 27 common genes among 668 genes (0.04%) (ACSBG2, ACTL7B, ACTRT2, ALS2CR11, ANKRD7, ARMC12, C11orf71, C22orf23, CCDC54, CENPU, CFAP74, CRISP2, DMRTB1, FSCB, GK2, GKAP1, IRGC, LINC00467, MS4A6E, OLAH, PCSK4, PLCZ1, RIMBP3, SLC25A51, SOX5, SPATA22 and TSSK2).