Hatschek's pit and origin of pituitary gland  被引量:1

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作  者:Shicui Zhang Xiaohan Ji 

机构地区:[1]Institute of Evolution and Marine Biodiversity,Ocean University of China,Qingdao 266003,China [2]Laboratory for Marine Biology and Biotechnology,Pilot National Laboratory for Marine Science and Technology(Qingdao),Qingdao 266237,China

出  处:《Acta Oceanologica Sinica》2022年第12期1-6,共6页海洋学报(英文版)

基  金:The National Natural Science Foundation of China under contract No.32073000;the Marine S&T Fund of Shandong Province for Pilot National Laboratory for Marine Science and Technology(Qingdao)under contract No.2018SDKJ0302-1.

摘  要:Pituitary gland,or pituitary for short,is characteristic of all vertebrates.As a“master gland”controlling a multitude of important functions in the body,its evolutionary origin has been an object of investigations of evolutionary biology for two centuries.Previous morphological,ultrastructural and immunohistochemical studies suggested the homology of the Hatschek’s pit of amphioxus and vertebrate pituitary.Developmental genetics study showed that the development of Hatschek’s pit and vertebrate pituitary is both subject to regulation by the common genes such as Pit1,Lhx3 and BMP3b.Our recent studies demonstrated that the Hatschek’s pit is able to secrete growth hormone(GH)-like hormone and thyroid-stimulating hormone(TSH)-like hormone that both play functions similar to vertebrate GH and TSH.We thus think that the emergence of Hatschek’s pit represents one of important events during endocrine network evolution,which laid a foundation for the subsequent formation of a hypothalamic-pituitary system in vertebrates.

关 键 词:PROTOCHORDATE AMPHIOXUS BRAIN PITUITARY evolution 

分 类 号:Q953[生物学—动物学]

 

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