Linfocitos B segunda parte Flashcards

1
Q

Principal marcador de linfocitos B

A

Slg+(IgA/IgB)2

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2
Q

Receptor para C3b y C3d

A

CD35 (CR1)

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3
Q

Receptor para C3bR y co-receptor

A

CD-21 (CR2)

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4
Q

Marcador de maduración y co-receptor

A

CD19

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5
Q

Marcador que es un co-receptor

A

CD81

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6
Q

Marcadores de maduración

A

CD20 y CD22

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7
Q

Marcador del heterodímero Ig-a/Ig-b

A

CD79

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8
Q

Marcador que inhibe apoptosis y estimula “switch” se isotipos de Ig

A

CD40

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9
Q

Subpoblaciones de linfocitosB

A

B-1, B-2 y B-10

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10
Q

Marcadores de los linfocitos B-1

A

CD5+ CD23-

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11
Q

Función de los linfocitos B-1

A

Producción espontánea de IgM va bacterias y autoanticuerpos vs ADN, Fc de IgG, fosfolípidos y proteínas del citoesqueleto

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12
Q

En quiénes son abundantes los linfocitos B-1?

A

Neonato

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13
Q

Función de los linfocitos B-1

A

Apoptosis, depuración, defensa contra infecciones, producción de IgM

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14
Q

Son T independientes (IgM)

A

Linfocitos B-1

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15
Q

Marcadores de los linfocitos B-2

A

CD5-, CD23+

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16
Q

Subtipo al que pertenecen la mayoría de linfocitos B

A

B-2

17
Q

Llevan a cabo el cambio de isotipos (M, D, G, A, E)

A

Linfocitos B-2

18
Q

Son T dependientes (cambios de isotipos)

A

Linfocitos B-2

19
Q

Linfocitos reguladores de IL-10

A

Linfocitos B-10

20
Q

Linfocitos B reguladores

A

Br1, Br3 y Breg

21
Q

Linfocitos T reguladores

A

Tr1, Th3 y Treg