May act as a transcription factor for cell pluripotency and differentiation in the embryo. Expressed in adult brain, spleen and female genital tract. No expression in heart, liver, lung, kidney, or testis. Expressed during gastrulation in the three primitive germ layers and in the pharyngeal arches. In later stages, expressed in the developing nervous system, midbrain/ hindbrain boundary, cerebellum anlage, certain rhombomeres, regions of the spinal cord, and in the developing dorsal thalamus and corpus striatum.