Detection of MSH5 expression in primate ovary The mRNA level of MSH5 was tested by RT-PCR in ovary, uterus, heart, brain, lung, stomach, liver, kidney, spleen, testis, pancreas, adrenal gland, intestine and muscle tissues of human fetuses (induced abortion at 21 weeks), as well as in hGCs from one patient receiving in vitro fertilization treatment and COV434 cells.