PMID-sentid	Pub_year	Sent_text		comp_official_name	comp_offsetprotein_name	organism	prot_offset
12721208-3	2003	Immunostaining of testis sections showed that while GSK-3 alpha was ubiquitous in the seminiferous tubules, GSK-3 beta was expressed in premeiotic type B spermatogonia, in both meiotic preleptotene and leptotene spermatocytes, as well as in Sertoli cells in both the mouse and rat.	leptotene	188-197	glycogen synthase kinase 3 beta	Mus musculus	108-118