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Módulo 3 - Medic.ula.ve - ULA

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Lanier L, Clinical Immunology, 95:1, 2000<br />

Origen y funciones de las<br />

cél<strong>ula</strong>s NK<br />

• Representan entre 5-20% de los linfocitos<br />

circ<strong>ula</strong>ntes, 5% de los linfocitos esplénicos<br />

• Expresión de CD56 y CD16, ausencia de<br />

CD3<br />

• Producen citokinas: INF-γ, TNF-α,<br />

Linfotoxina, IL-3, GM-CSF, IL-5, IL-13, IL-10,<br />

IL-8, MIP-1α, MIP-1β, entre otras.<br />

• Deficiencia de NK, infecciones virales<br />

se<strong>ve</strong>ras<br />

• Resistencia contra: L. monocitogenes,<br />

malaria, T. gondii, Leishmania.

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