Inmunodeficiencias secundarias Flashcards

1
Q

VIH

A
  • Retrovirus
  • LinT CD4+
  • Daño progresivo → SIDA
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2
Q

Mecanismo de infección del VIH

A
  • gp120 se une a CD4 → CXC4 o CCR5
  • gp41 fusión
  • Desenvoltura
  • TR → ssRNA a sDNA
  • Ribonucleasa → Desintegra ssRNA
  • Integrasa
  • Transcripción
  • mRNA a citoplásma
  • Traducción
  • Ensamblaje
  • Liberación
  • Proteasa → Maduración
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3
Q

CCR5

A
  • Macrófagos
  • Células dendríticas
  • LinT de memoria
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4
Q

CXCR4

A
  • LinT naive
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5
Q

¿La deficiencia de qué célula inmine predispone a Mycobacterium, Pnuemocystis y toxoplasma?

A

Th1

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6
Q

¿La deficiencia de qué célula predispone a candida?

A

Th17

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7
Q

Tx

A

TAR
* Inhibidores de unión → CCR5
* Inhibidores de fusión → gp41
* Inhibidores TR, integrasa y proteasa

Ac ampliamente neutralizantes

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