670670.fig.004a
(a)
670670.fig.004b
(b)
670670.fig.004c
(c)
670670.fig.004d
(d)
Figure 4: The effect of LPA (10−5 M) supplementation of maturation medium on mRNA abundance of CTSB (a), CTSK (b), CTSS (c), and CTSZ (d) in cumulus cells. The values are expressed as mean ± SEM. Different letters indicate significant differences ( ), as determined by Student’s -test.