 It was also found that c9orf135 is found at significantly higher levels in the adult human umbilical cord versus the foetal human umbilical cord.Furthermore, in women with ovarian adenocarcinoma the expression of c9orf135 is much higher in the epithelial cells within the ovaries.Women with polycystic ovarian syndrome have a lower expression of c9orf135 than those people who do not have the condition.