2010
DOI: 10.1164/rccm.200907-1166oc
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Knocking Down Cav1 Calcium Channels Implicated in Th2 Cell Activation Prevents Experimental Asthma

Abstract: These results indicate that Th2 cells selectively express Ca(v)1 channels that may be efficiently targeted in T lymphocytes to prevent experimental asthma.

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Cited by 52 publications
(50 citation statements)
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“…A recent report demonstrated that Th2 cells selectively express voltagedependent calcium (Ca v 1)-related channels, making them a potential and selective target for therapy. Inhibition of these channels by antisense oligonucleotides was effective in active experimental asthma, preventing airway inflammation, Th2 cell activation, and AHR without affecting Th1 responses [40].…”
Section: Targeting Antigen-presenting Cell-t-cell Interactions or Th2mentioning
confidence: 99%
“…A recent report demonstrated that Th2 cells selectively express voltagedependent calcium (Ca v 1)-related channels, making them a potential and selective target for therapy. Inhibition of these channels by antisense oligonucleotides was effective in active experimental asthma, preventing airway inflammation, Th2 cell activation, and AHR without affecting Th1 responses [40].…”
Section: Targeting Antigen-presenting Cell-t-cell Interactions or Th2mentioning
confidence: 99%
“…While resting lymphocytes maintain a low cytosolic calcium ion concentration, antigen receptor signaling results in calcium ion influx, predominantly via store-operated calcium (SOC) channels, and inhibition of lymphocyte calcium ion channel expression has been found to prevent experimental asthma [6,7]. We therefore hypothesized that desensitization by low-dose immunotherapy is associated with reduced influx of calcium ions into lymphocytes.…”
Section: Introductionmentioning
confidence: 99%
“…Nous avons testé si les lymphocytes Th2 étaient toujours capables de causer un asthme dans un modèle de transfert adoptif. Nous avons injecté par voie intraveineuse des LTh2 spécifiques de l'ovalbumine transfectés ou non avec un mélange de Ca v 1.2 et Ca v 1.3AS chez des souris qui étaient exposées à de l'ovalbumine par voie intra-nasale [39]. Nous avons tracé les cellules injectées et recherché les signes cliniques, histologiques et biologiques de la maladie.…”
Section: Les Canaux Calciques Ca V Acteurs Importants De La Réponse Th2unclassified
“…Ils prolifèrent normalement mais ne produisent pas de cytokines après re-stimulation et n'induisent pas d'asthme contrairement à ce que font des Th2 contrôles. Par contre, des LTh1 transfectés avec le mélange de Ca v 1.2 et Ca v 1.3AS sont capables de causer une inflammation pulmonaire associée à un nombre élevé de neutrophiles montrant la sélectivité d'impact des Cav1AS [39].…”
Section: Les Canaux Calciques Ca V Acteurs Importants De La Réponse Th2unclassified