lymphocytes T Flashcards

1
Q

durée e interaction activatrice, avec costimulation, entre une cellule T naïve et une CPA

A

6-8 heures

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2
Q

durée prolifération LT activée

A

4 à

5 jours

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3
Q

Th1

A

T-bet virus + pathogène intracellulaire + inflammation chronique + auto-immunité
Augmente l’activité des CPA
Augmente l’activation des LTC

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4
Q

th2

A

GATA-3 parasites extracellulaires + asthme / allergie + helminthes

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5
Q

th17

A

RORyt champignons + pathogènes intercellulaire + inflammation + auto-immunité

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6
Q

TREG

A

Fox P3 suppression des réponses immunes + maintient de la tolérance

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7
Q

tfh

A

Bcl6 réponse humorale

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8
Q

pourcentage des LT effecteurs qui meurent par apoptose après élimination du pathogène

A

90 %

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