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

Table 3 Immunostaining for PR in uterine tissue.

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

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%); +: weak intensity; ++: moderate intensity; +++: strong intensity.

ISSN: 1751-0147