ATB- Inhibidores S! Proteica Flashcards

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1
Q

Definicion

A

Los ATB que actuan a nivel de la sintesis proteica, actuan en las subunidades 30s y 50s de los Ribosomas

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2
Q

Subunidad 30s

A

ATE
Aminoglucosidos
Tetraciclinas
Espectinomicina

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3
Q

Subunidad 50s

A

CCALM

Cloranfenicol
Clindamicina
Acido fusidico
Linezolid
Macrolidos

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4
Q

Aminoglucosidos

A

Actuan a nivel de la subunidad 30s de los ribosomas

Estreptomicina, Amikacina, Gentamicina

Bactericidas par gram-
Bacteriostaticos para gram +

Mec de accion: Se une a la subunidad 30s y hace una lectura equivocada del ARNm

Mec de resistencia
-Enzimas que inactivan farmacos
-Inhibicion de la penetracion
-Alteracion de Sitio de accion

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5
Q

Indicacion de Aminoglucosidos

A

Bacilos GRAM-

E.coli
Salmonela
Shiguela

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6
Q

Tetraciclinas

A

Actuan a nivel de la Subunidad 30s de los ribosomas.

Amplo espectro

Mec de accion- impede la incorporacion de nuevos aa a la cadena de ARN

Indicacion- Clamidya, Mycoplasma, Sifilis

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7
Q

Espectnomicina

A

Es Bacteriostatico.

Actua a nivel de la subunidad 30s, inhibiendo la sintesis proteica.

Es un farmaco alternativo para Gonorrea.

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8
Q

Cloranfenicol

A

Actua en la Subunidad 50s.
Es Bacteriostatico.

Es de amplio espectro: clamidya, riktesia, mycoplasma, Neisserias, enterobacterias

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9
Q

Lincosamidas

A

Clindamicina- farmaco

Actua en la subunidad 50s

Espectro- S. Aureus MS y MR, Neumococo, ST pyogenes

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10
Q

Linezolid

A

Si une a la subunidad ARN 23s de la subunidad 50s, inhibiendo la sintesis proteica.

Espectro
-GRAM+
-S.Aureus
-S.Pneumoniae
-Enterococus faecalis
*Listeria Monocytogenes

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11
Q

Macrolidos

A

Etritromicina y Claritromicina

Espectro- S.Aureus, Toxoplasma, Clamydia Pneumoniae

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12
Q

Azolidos

A

Azitromicina

Espectro: Neumococo y S.Aureus

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13
Q
A
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