antivirales hepatitis Flashcards

1
Q

analogos de los nucleosidos

A

RIVABIRINA C
ENTECAVIR B
LAMIVUDINA B

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2
Q

ANALÓGOS DE LOS NUCLEOTIDOS

A

SOFOSBUVIR C
TENOFOVIR (P) B
ADEFOVIR (P) B

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3
Q

MECANISMO DE ACCION

A

fosfoliraln a forma de difosfato o trifosfato
se hacen pasar por cadenas de nucleotidos
la sintesis se detiene

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4
Q

Tenofovir MO

A

Transcriptasa inversa

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5
Q

Tenofovir indicaciones VO

A

1ra línea de tx de VHB
Coadyuvante en VIH

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6
Q

Lamivudina MO

A

Transcriptasa inversa

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7
Q

Lamivudina indicaciones VO

A

Tto. de hepatitis B crónica

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8
Q

rivavirina Mo

A

formación de ARN mensajero

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9
Q

rivavirina espectro

A

VSR y VHC

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10
Q

rivavirina indicaciones

A

*Bronquiolitis y neumonía por VSR
*Tx de infección crónica por VHC (No en monoterapia)

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11
Q

rivavirina causa ———– a embarazadas

A

nebulaciones

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12
Q

interferones

A

hepatocitos circundantes detectan estos interferones, se produce una alarma y tratan de
protegerse sintetizando proteínas que degradan el ARNm –> bloquea a los virus para que no hagan rápidamente
copias de sí mismos, lo que impide que se produzcan proteínas víricas –> aumentan la expresión de las moléculas del MHC, lo que facilita a los linfocitos T CD8+ citotóxicos

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13
Q

pegeinterferon 2alfaA Mo

A

aumentan linfocitos T citotóxicos y macrófagos interferón + polietilenglicol

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14
Q

indicaciones

A

VHC Y VHB cronica

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