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Citocinas y quimiocinas - Facultad de Ciencias - Universidad de Los ...

Citocinas y quimiocinas - Facultad de Ciencias - Universidad de Los ...

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Receptores <strong>de</strong> Citoquinas<br />

Subfamilia <strong>de</strong> Receptores <strong>de</strong> IL-2:<br />

•Consta <strong>de</strong> 3 ca<strong>de</strong>nas: α, β, γ<br />

•La expresión <strong>de</strong> α, β, γ = receptor <strong>de</strong> IL-2 <strong>de</strong> alta afinidad<br />

•La expresión <strong>de</strong> beta y gamma = receptor <strong>de</strong> IL-2 <strong>de</strong> afinidad intermedia<br />

•La ca<strong>de</strong>na alfa sola = receptor <strong>de</strong> afinidad baja<br />

Recientemente se ha <strong>de</strong>mostrado que las mutaciones o eliminaciones <strong>de</strong> la ca<strong>de</strong>na gamma <strong>de</strong>l<br />

receptor <strong>de</strong> la IL-2 constituyen la base molecular <strong>de</strong> la inmuno<strong>de</strong>ficiencia grave ligada al cromosoma<br />

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