Canle iónica regulada por voltaxe: Diferenzas entre revisións

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Miguelferig (conversa | contribucións)
Miguelferig (conversa | contribucións)
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=== Canles de cloruro (Cl<sup>−</sup>) ===
 
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As [[Chloridecanle de cloruro|canles de channelcloruro]]s areestán presentpresentes inen alltodos typesos oftipos neuronsde neuronas. WithA thesúa chiefprincipal responsibilityresponsabilidade ofé controllingcontrolar excitabilitya excitabilidade, chloridee channelsas contributecanles tode thecloruro maintenancecontribúen ofao cellmantemento restingdo potentialpotencial andde helprepouso toda regulatecélla celle axuda a regular o volume celular.<ref name="Neuroscience_2001" />
 
=== Canles de protóns (H<sup>+</sup>) ===
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[[Voltage-gated proton channel]]s carry currents mediated by [[hydrogen ion]]s in the form of [[hydronium]], and are activated by depolarization in a [[pH]]-dependent manner. They function to remove acid from cells.<ref>{{Citation|last1=Cherny|first1=V.V.|last2=Markin|first2=V.S.|last3=DeCoursey|first3=T.E.|publication-date=June 1995|title=The voltage-activated hydrogen ion conductance in rat alveolar epithelial cells is determined by the pH gradient|periodical=Journal of General Physiology|volume=105|issue=6|pages=861–896|url=http://www.jgp.org/cgi/reprint/105/6/861.pdf|accessdate=2008-07-14|doi=10.1085/jgp.105.6.861|year=1995}}</ref><ref>{{Citation|last=DeCoursey|first=T.E.|publication-date=2003|title=Voltage-gated proton channels and other proton transfer pathways|periodical=Physiological Reviews|volume=83|issue=2|pages=475–579|url=http://physrev.physiology.org/cgi/content/full/83/2/475|doi=10.1152/physrev.00028.2002|oclc=205658168|accessdate=2008-07-14|pmid=12663866|year=2003}}</ref><ref>{{Cite journal|url=http://www.nature.com/nsmb/journal/v17/n7/abs/nsmb.1826.html|title=An aqueous H<sup>+</sup> permeation pathway in the voltage-gated proton channel Hv1|first1=I. Scott|last1=Ramsey|first2=Younes|last2=Mokrab|first3=Ingrid|last3=Carvacho|first4=Zara A.|last4=Sands|first5=Mark S.P.|last5=Sansom|first6=David E.|last6=Clapham|journal=Nature Structural & Molecular Biology|volume=17|issue=7|pages=869–875|date=2010|doi=10.1038/nsmb.1826|pmid=20543828|pmc=4035905}}</ref>
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