Reguladores del complemento Flashcards

1
Q

C1 INH (M)

A

Inhibidor de la serinproteasa, inhibe la actividad proteolítica de C1s y C1r lo que disocia a C1q (Detiende vía clásica)

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2
Q

Factor I (M)

A

Escinde a C4b de C3b, evita formación de C3convertasa. Cofactor: Factor H, C4BP y CR1)

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3
Q

Factor H (M)

A

Inhibe la unión del Bb al C3b, detiene vía alternativa. Cofactor: Factor I

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4
Q

CD59 (S)

A

Proteína de la membrana que inhibe la formación de MAC, inhibe la unión de poli C9

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5
Q

Proteína S (M) vitronectina

A

Evita formación de MAC, bloquea a C5b-c7

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6
Q

MCP o CD46 (S)

A

Cofactor de la escisión de C3b y C4b por factor H

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7
Q

DAF (factor acelerador de la degradación) o CD55 (S)

A

Disociación de C3convertasa en las 3 vías, desplaza a C2b del C4b y a Bb de C3b

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8
Q

Carboxipeptidasas (N, B y R) (M)

A

Divide y desactiva anafilotoxinas C3a y C5a

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