5 Les Cellules NK Flashcards

0
Q

Marqueurs de cytotoxicité des NK

A

CD57 et CD16

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1
Q

Les NK sont CD3+

A

Faux CD3-

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2
Q

Que sécrètent les NK?

A

IFN gamma

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3
Q

Aspect des NK?

A

Grand lymphocyte avec bcp de granules

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4
Q

Quelles iL ont un rôle dans la différenciation des NK? Dans quel ordre?

A

D’abord iL 7 produit par les LT puis iL 15

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5
Q

Les CMH1 inhibent les NK

A

Vrai

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6
Q

ITAM est activateur

A

Vrai

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7
Q

ITIM est activateur

A

Faux, inhibiteur

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8
Q

Quelle molécule est un élément d’activation des NK?

A

L’ig2a

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9
Q

Rcp des ig2a?

A

CD16

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10
Q

Qui produit MIC A et B? Rôle?

A

Les cellules stressées. Activent les NK

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