Objective To investigate the localization and expression pattern of nuclear receptor NR4A1 protein in follicle and corpus luteum cells at different estrous stages in cycling female SD rat.

• 目的：通过研究核受体NR4A1蛋白在正常雌性SD大鼠不同卵巢功能周期的不同发育阶段卵泡及黄体细胞中的表达，推测其在卵泡发育中的生物学作用。