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Drug: Nicotine

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Total 216 results found since Jan 2013.

Effects of the Experimental Subarachnoid Hemorrhage on the Eicosanoid Receptors in Nicotine-induced Contraction of the Rat Basilar Artery
Conclusions: BLT2 receptor seemed to be more involved in the nicotine-induced contraction than the BLT1 receptor. SAH did not affect the involvement of eicosanoids in the nicotine-induced contraction of the rat basilar artery. The present study shows the involvement of some of the arachidonic acid metabolites into signaling pathways of nicotine-induced contraction. It will serve to improve therapeutic interventions of SAH and suggests a promising approach to protect the cerebral vasculature of cigarette smokers.
Source: Journal of Stroke and Cerebrovascular Diseases - August 14, 2012 Category: Neurology Authors: Xu Ji, Cristina C. Trandafir, Aimin Wang, Kazuyoshi Kurahashi Tags: Original Articles Source Type: research

When angels catch us – Madeline ’ s hysterectomy story
How do we know there are angels? Do we have our own special guardian angels watching over us? How many times have we almost entered into danger only to change our minds at the last minute? Is this simply being lucky or has there been an unconscious inner voice warning us? I have truly believed for a long time that there are God’s angels watching over us and over the years there have been occasions when I have had warnings of some impending doom and thankfully avoided tragedy. Sometimes I’ve just had feelings or a “sixth sense” and the negative event still happened but somehow I had felt that premonition. Wa...
Source: The Hysterectomy Association - April 27, 2012 Category: OBGYN Authors: Linda Parkinson-Hardman Tags: Health hysterectomy stories Source Type: news

Influence of Experimental Subarachnoid Hemorrhage on Nicotine-induced Contraction of the Rat Basilar Artery in Relation to Arachidonic Acid Metabolites Signaling Pathway
Conclusions: One week after exposure to SAH, PLC, sPLA2, and COX-2 activity were enhanced and cPLA2 activity was inhibited. One hour after exposure to SAH, PLC activity was enhanced and cPLA2 and iPLA2 activity was inhibited. Such changes of inflammatory arachidonic acid metabolites by smoking after SAH may play important roles in fatal cerebral circulatory disorders, suggesting important implications for the etiology and pathogenesis of SAH.
Source: Journal of Stroke and Cerebrovascular Diseases - January 3, 2012 Category: Neurology Authors: Xu Ji, Aimin Wang, Cristina C. Trandafir, Kazuyoshi Kurahashi Tags: Original Articles Source Type: research

Influence of Experimental Subarachnoid Hemorrhage on Nicotine-induced Contraction of the Rat Basilar Artery in Relation to Nicotinic Acetylcholine Receptors, Calcium, and Potassium Channels
Conclusions: Nicotine-induced contraction of the rat basilar artery involved the CNS nAChR subfamily, skeletal muscle nAChR subfamily, and L-type Ca2+ channel pathways. SAH did not affect any of the subfamilies of nAChR, but the Ca2+ channel was reduced and the adenosine triphosphate–sensitive K+ channel was enhanced by SAH.
Source: Journal of Stroke and Cerebrovascular Diseases - November 4, 2011 Category: Neurology Authors: Xu Ji, Aimin Wang, Cristina C. Trandafir, Kazuyoshi Kurahashi Tags: Original Articles Source Type: research