Article: Investigators at Saitama University have published new data on cell and tissue research.

"The primordium of the mammalian adenohypophysis derived from Rathke's pouch (RP) is known to be formed by oral ectoderm invagination. However, in the early phase of pituitary development, the detailed process by which the oral ectoderm develops into the adenohypophysis remains largely unknown," researchers in Saitama, Japan report (see also Cell and Tissue Research).

"Using high-resolution non-radiolabeled in situ hybridization and the BrdU and TUNEL methods, we have examined the detailed expression pattern of factors involved in the formation of RP of chicken and the changes in the mitotic and apoptotic cell regions in RP. In the chicken embryo, Sonic hedgehog ...

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