Table 2.

Relative abundance of Bip/GRP78, ATF4, ATF6, XBP1s, P450scc, 3β-HSD, P450c17, and P450arom in ovaries of the muskrats during the breeding and non-breeding seasons.

Antibodies	Breeding season				Non-breeding season
	GC	TC	IC	LC	GC	TC	IC
GRP78	+ +	+ +	+ + +	+ +	+ + +	+	+
P450scc	+	+ + +	+ +	+ +	+	+	+
3β-HSD	+ + +	+ + +	+ + +	+ +	+	+	–
P450c17	+	+ + +	+ + +	+ +	+	+ +	+
P450arom	+ +	+	+	+	+	–	–

GC, granulosa cells; TC, theca cells; IC, interstitial cells; LC, luteal cells. –, negative staining; +, positive staining; ++, strong positive staining; +++, very strong positive staining.