TEMA 7: MECANISMOS DE TOXICIDAD ESPECÍFICA Flashcards

1
Q

DEF MECANISMOS DE
TOXICIDAD
ESPECÍFICA

A

Perturbación química sobre receptores, enzimas u otras zonas
celulares, en las que se producen alteraciones bioquímicas o
lesiones estructurales con efectos variados

  • REVERSIBLES
  • IRREVERSIBLES
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2
Q

POTENCIALMENTE REVERSIBLE

A
  • ELECTROFILOS: GENOTOXICOS Y CITOTOXICOS
  • RADICALES LIBRES
  • ROS
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3
Q

REVERSIBLES ELECTROFILOS GENOTOXICOS

A
  • HEIDROCARBURO AROMATICO
  • BENZOAPIRENO
  • 2-ACETILAMINOFLUORENO (aaf)
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4
Q

REACTIVOS ELECTRÓFILOS CITOTÓXICOS

A

REACCION CON EL GLUTATION
- BROMOBENCENO
- PARACETAMOL

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5
Q

RADICALES LIBRES

A
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6
Q

ROS

A
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7
Q

MECANISMS DE DEFENSA

A
  • ENZIMATICOS
  • NO ENZIMATICOS
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8
Q

MEC DEFENSA ENCIMATICO

A

SOD
CATALASA
PEROXIDASA

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9
Q

MEC DEFENSA NO ENZIMATICO

A

VIT C
VIT E
GLUTATION

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10
Q

IMPLICACIONES TOXICAS DE INTERMEDIARIOS REACTIVOS

A
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