immunoreactive material
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ISRN Anatomy ◽  
2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Leandro Castañeyra-Ruiz ◽  
Ibrahim González-Marrero ◽  
Agustín Castañeyra-Ruiz ◽  
Juan M. González-Toledo ◽  
María Castañeyra-Ruiz ◽  
...  

Luteinizing hormone-releasing hormone (LHRH) neurons and fibers are located in the anteroventral hypothalamus, specifically in the preoptic medial area and the organum vasculosum of the lamina terminalis. Most luteinizing hormone-releasing hormone neurons project to the median eminence where they are secreted in the pituitary portal system in order to control the release of gonadotropin. The aim of this study is to provide, using immunohistochemistry and female brain rats, a new description of the luteinizing hormone-releasing hormone fibers and neuron localization in the anterior hypothalamus. The greatest amount of the LHRH immunoreactive material was found in the organum vasculosum of the lamina terminalis that is located around the anterior region of the third ventricle. The intensity of the reaction of LHRH immunoreactive material decreases from cephalic to caudal localization; therefore, the greatest immunoreaction is in the organum vasculosum of the lamina terminalis, followed by the dorsomedial preoptic area, the ventromedial preoptic area, and finally the ventrolateral medial preoptic area, and in fibers surrounding the suprachiasmatic nucleus and subependymal layer on the floor of the third ventricle where the least amount immunoreactive material is found.



Life Sciences ◽  
2012 ◽  
Vol 91 (23-24) ◽  
pp. 1141-1147 ◽  
Author(s):  
A. Claudio Cuello ◽  
Simon Allard ◽  
Maria Teresa Ferretti


2009 ◽  
Vol 10 (1) ◽  
pp. 51 ◽  
Author(s):  
Matt Tector ◽  
Bhupendra O Khatri ◽  
Karen Kozinski ◽  
Kate Dennert ◽  
Martin K Oaks


Author(s):  
O. Fedorova ◽  
V. Reznik ◽  
N. Tapilskaya ◽  
V. Kashkin ◽  
E. V. Frolova ◽  
...  

Although preeclampsia (PE) is a major cause of maternal and fetal mortality, its pathogenesis is not fully understood. Endogenous digitalis-like cardiotonic steroids (CTS) are implicated in the pathophysiology of PE, as illustrated by clinical observations that Digibind, a digoxin antibody which binds CTS, lowers blood pressure in patients with PE. Recently we reported that plasma levels of marinobufagenin (MBG), a bufadienolide vasoconstrictor CTS, are increased four-fold in patients with severe PE. In the present study, we compared levels of MBG in normal and preeclamptic placentae, and tested whether antibodies against MBG, and against ouabain for their interaction with the material purified from preeclamptic placentae via high-performance liquid chromatography (HPLC). Levels of MBG, but not that of endogenous ouabain, exhibited a four-fold elevation in preeclamptic placentae. The elution time of endogenous placental MBG-like immunoreactive material from reverse-phase HPLC column was identical to that of authentic MBG. Immunoassay based on Digibind did not detect cross-reactivity with HPLC containing ouabain-like immunoreactive material, but cross-reacted with HPLC fractions having retention time similar to that of MBG and other bufadienolides. Our results demonstrate that levels of MBG are significantly elevated in preeclamptic placentae, and suggest that MBG is a potential target for immunoneutralization in patients with preeclampsia.



2008 ◽  
Vol 18 (1) ◽  
pp. 26-31 ◽  
Author(s):  
V. Bachiocco ◽  
A. Mastrolia ◽  
A. Gentili ◽  
E. Pipitone ◽  
M. Lima


Neuropeptides ◽  
2006 ◽  
Vol 40 (1) ◽  
pp. 11-21 ◽  
Author(s):  
Reginald Matejec ◽  
Axel Schulz ◽  
Jörg Mühling ◽  
Holger Uhlich ◽  
Rolf-Hasso Bödeker ◽  
...  


2004 ◽  
Vol 19 (4) ◽  
pp. 925-936 ◽  
Author(s):  
Isabelle Allaeys ◽  
Karine Bouyer ◽  
Catherine Loudes ◽  
Annie Faivre-Bauman ◽  
Florence Petit ◽  
...  


2003 ◽  
Vol 96 (2) ◽  
pp. 481-486 ◽  
Author(s):  
Reginald Matejec ◽  
Ralph Ruwoldt ◽  
Rolf-Hasso Bödeker ◽  
Gunter Hempelmann ◽  
Hansjörg Teschemacher


2003 ◽  
Vol 96 (2) ◽  
pp. 481-486 ◽  
Author(s):  
Reginald Matejec ◽  
Ralph Ruwoldt ◽  
Rolf-Hasso Bödeker ◽  
Gunter Hempelmann ◽  
Hansjörg Teschemacher


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