Steroid hormone receptors ERα and PR characterised by immunohistochemistry in the mare adrenal gland

Table 2 Immunostaining for ERα in uterine tissue.

Mare ID	Reproductive status	SE	GE	STR	MYO
526	Oestrus	++/+++ D	+++ D	++/+++ D	++/+++ D
478	Metoestrus	-/+ A	-/+ A	+ A	++ D
453	Dioestrus	+/++ B*	+/++ D	+ A	+ A
502	Dioestrus	+ B	+ B	+ A	+ B
740	OVX	++ D	+++ D	++ D	++ D
744	OVX	+ C	+/++ D	++ B	++ D
741	OVX+Oe	+/++ C	++ D	++ C	+ C
742	OVX+Oe	+/++ C	+/++ D	++ C	+ A
743	OVX+Oe	+/++ B	+/++ D	+/++ B	+ D

* Patchy in some areas; OVX: ovariectomised; OVX+Oe: ovariectomised with oestradiol benzoate treatment; SE: surface epithelium; GE: glandular epithelium; STR: connective tissue stroma; MYO: myometrium; A: low proportion (< 30%); B: moderate proportion (30–60%); C: high proportion (> 60–90%); D: almost all cells positive (> 90%); -: negative; +: weak intensity; ++: moderate intensity; +++: strong intensity.