Mecanismos e Morfologia do Câncer

Revision sheet excerpt

Plan du Cours

  1. Definição de neoplasia e proliferação autónoma
  2. Hallmarks of Cancer e fenótipo maligno
  3. Proto-oncogenes e genes supressores tumorais
  4. Carcinogénese multi-etapas e irreversibilidade
  5. Alterações oncogénicas por amplificação génica
  6. Alterações oncogénicas por translocação cromossómica
  7. Mutagénese por inserção de retrovírus
  8. Heterogeneidade tumoral e instabilidade genética
  9. Atipia, desdiferenciação e progressão morfológica
  10. Carcinomas epiteliais e padrões de crescimento
  11. Metástase: vias linfática, hematogénea e implantação
  12. Complicações de tumores malignos e síndrome paraneoplásica

1. Definição de neoplasia e proliferação autónoma

Notions clés & Définitions

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Quiz preview

1. Quel couple association-mécanisme est correct pour une complication paranéoplasique endocrine ?

2. Qu’exprime le mieux l’hétérogénéité tumorale ?

3. Quel énoncé décrit le mieux la progression morphologique ?

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Flashcards preview

Neoplasia — définition ?

Prolifération anormale, autonome, sans contrôle.

Prolifération autonome — rôle ?

Croissance indépendante des mécanismes régulateurs.

Hallmarks du cancer — concept ?

Caractéristiques permettant la malignité et la phénotypie maligne.

Proto-oncogène — fonction ?

Gène normal favorisant croissance et différenciation.

Gène suppresseur — rôle ?

Freine la croissance, active la réparation ou l'apoptose.

Carcinogénèse multi-étapes — principe ?

Progression par étapes irréversibles avec accumulation de changements.

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