Selective specificity of calcium-binding proteins calbindin and calretinin expression in the magnocellular neurosecretory hypothalamic nuclei of tortoises and turtles

被引:3
作者
Belekhova M.G. [1 ]
Kenigfest N.B. [1 ,2 ]
Chernigovskaya E.V. [1 ]
Veselkin N.P. [1 ]
机构
[1] Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, St. Petersburg
[2] National Museum of Natural History, Paris
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D O I
10.1134/S0012496617020016
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摘要
We have studied the distribution of calcium-binding proteins in the magnocellular neurosecretory nuclei of nonapeptidergic neurosecretory nuclei of the preoptic–hypothalamic complex in a tortoise (Testudo horsfieldi) and a pond turtle (Emys orbicularis) using immunohistochemistry. We have found that different types of cells in the paraventricular and supraoptic nuclei predominantly express calbindin and, to a lesser extent, calretinin, but not parvalbumin. The selective calbindin/calretinin control of the neurohormone secretion in these hypothalamic nuclei is an evolutionary conservative feature typical of reptiles and mammals. © 2017, Pleiades Publishing, Ltd.
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页码:80 / 83
页数:3
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