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==== Neuroprotectant ==== Xenon induces robust [[cardioprotection]] and [[neuroprotection]] through a variety of mechanisms. Through its influence on Ca<sup>2+</sup>, K<sup>+</sup>, [[ATP-sensitive potassium channel|KATP]]\HIF, and NMDA antagonism, xenon is neuroprotective when administered before, during and after [[Ischemia|ischemic]] insults.<ref>{{cite journal | title = Xenon Attenuates Cerebral Damage after Ischemia in Pigs | date = May 2005 | volume = 102 | issue = 5 | pages = 929–36 | doi = 10.1097/00000542-200505000-00011 | pmid = 15851879 | journal = Anesthesiology | last1 = Schmidt | first1 = Michael | last2 = Marx | first2 = Thomas | last3 = Glöggl | first3 = Egon | last4 = Reinelt | first4 = Helmut | last5 = Schirmer | first5 = Uwe | s2cid = 25266308 | doi-access = free }}</ref><ref>{{cite journal | title = Xenon Provides Short-Term Neuroprotection in Neonatal Rats When Administered After Hypoxia-Ischemia | journal = Stroke | pmid = 16373643 | doi = 10.1161/01.STR.0000198867.31134.ac | year = 2006 | last1 = Dingley | first1 = J. | last2 = Tooley | first2 = J. | last3 = Porter | first3 = H. | last4 = Thoresen | first4 = M. | volume = 37 | issue = 2 | pages = 501–6 | url = http://www.reanimatology.com/rmt/article/view/1340 | doi-access = free }}</ref> Xenon is a high affinity antagonist at the NMDA receptor glycine site.<ref name="nmda" /> Xenon is cardioprotective in ischemia-reperfusion conditions by inducing [[Pharmacology|pharmacologic]] non-ischemic preconditioning. Xenon is cardioprotective by activating PKC-epsilon and downstream p38-MAPK.<ref>{{cite journal | title = The noble gas xenon induces pharmacological preconditioning in the rat heart in vivo via induction of PKC-epsilon and p38 MAPK | journal = Br J Pharmacol | pmid = 15644876 | year = 2005 | last1 = Weber | first1 = N. C. | last2 = Toma | first2 = O. | last3 = Wolter | first3 = J. I. | last4 = Obal | first4 = D. | last5 = Müllenheim | first5 = J. | last6 = Preckel | first6 = B. | last7 = Schlack | first7 = W. | volume = 144 | issue = 1 | pages = 123–32 | doi = 10.1038/sj.bjp.0706063 | pmc = 1575984 }}</ref> Xenon mimics neuronal ischemic preconditioning by activating ATP sensitive potassium channels.<ref>{{cite journal | title = Neuronal preconditioning by inhalational anesthetics: evidence for the role of plasmalemmal adenosine triphosphate-sensitive potassium channels | journal = Anesthesiology | pmid = 19352153 | year = 2009 | last1 = Bantel | first1 = C. | last2 = Maze | first2 = M. | last3 = Trapp | first3 = S. | volume = 110 | issue = 5 | pages = 986–95 | doi = 10.1097/ALN.0b013e31819dadc7 | pmc = 2930813 }}</ref> Xenon allosterically reduces ATP mediated channel activation inhibition independently of the sulfonylurea receptor1 subunit, increasing KATP open-channel time and frequency.<ref>{{cite journal | title = Noble gas xenon is a novel adenosine triphosphate-sensitive potassium channel opener | journal = Anesthesiology | pmid = 20179498 | year = 2010 | last1 = Bantel | first1 = C. | last2 = Maze | first2 = M. | last3 = Trapp | first3 = S. | volume = 112 | issue = 3 | pages = 623–30 | doi = 10.1097/ALN.0b013e3181cf894a | pmc = 2935677 }}</ref>
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