Physiology of spontaneous [Ca<sup>2+</sup>]<sub>i</sub> oscillations in the isolated vasopressin and oxytocin neurones of the rat supraoptic nucleus

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Physiology of spontaneous [Ca²⁺]_i oscillations in the isolated vasopressin and oxytocin neurones of the rat supraoptic nucleus

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作者：Stepan Kortus^a ; ^b ; ^c ; Chinnapaiyan Srinivasan^a ; Oksana Forostyak^a ; ^d ; Yoichi Ueta^e ; Eva Sykova^d ; ^f ; Alexandr Chvatal^d ; ^g ; Martin Zapotocky^b ; ^c ; Alexei Verkhratsky^h ; ⁱ ; ^j ; ^k ; ^{Alexej.Verkhratsky@manchester.ac.uk" class="auth_mail" title="E-mail the corresponding author} ; Govindan Dayanithi^a ; ^l ; ^m ; ^{gdaya@univ-montp2.fr" class="auth_mail" title="E-mail the corresponding author} ; ^{gdaya@biomed.cas.cz" class="auth_mail" title="E-mail the corresponding author}
关键词：AVP ; arginine vasopressin ; OT ; oxytocin ; MNCs ; magnocellular neurosecretory cells ; eGFP ; enhanced green fluorescence protein ; mRFP1 ; monomeric red fluorescence protein ; SON ; supraoptic nucleus ; [Ca2+]i ; intracellular Ca2+ concentration ; FFP ; Fast Fluorescence Photometer ; SD ; Standard Deviation
刊名：Cell Calcium
出版年：2016
出版时间：June 2016
年：2016
卷：59
期：6
页码：280-288
全文大小：1718 K

文摘

•: Supraoptic fluorescent vasopressin (AVP-eGFP) and oxytocin (OT-mRFP1) neurones exhibit distinct spontaneous [Ca²⁺]_i oscillations.
•: Vasopressin triggers [Ca²⁺]_i oscillations, intensifies existing oscillations, and exceptionally stops oscillations.
•: Hyper- or hypo-osmotic stimuli have an intensifying or inhibitory effect on oscillations, respectively.
•: Nearly 90% of neurones from 3 or 5-day-dehydrated rats exhibit oscillations.
•: More than 80% of OT-mRFP1 neurones from 3 to 6-day-lactating rats are oscillatory vs. about 44% in virgins.

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