cours 6 jonctions Flashcards

1
Q

éléments du desmosome

A
  • desmocolline et desmogléine
  • desmoplakine = envoplakine et plakoglobine
  • filaments intermédiaires
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2
Q

variation des M desmosomales

A

Dsg3 et Dsc3 diminue // Dsg1 et Dsc1 augmente au cours de la migration des kératinocytes vers la superficie

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3
Q

pemphigus vulgaire

A

= profond, anti-Dsg3

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4
Q

pemphigus foliacé

A

= superficiel, anti-Dsg1

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5
Q

zones de la membrane basale

A

lamina lucida et lamina densa

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6
Q

où sont les filaments d’ancrage ?

A

dans la lamina lucida

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7
Q

où sont les fibrilles d’ancrage ?

A

dans le derme (naissent de la lamina densa)

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8
Q

constituant de la plaque d’ancrage des tonofilaments des hémidesmosones

A

antigène BP230

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9
Q

M transmenbranaires des hémidesmosomes

A

intégrine alpha6bêta4

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10
Q

constituants au niveau des filaments d’ancrage

A

laminine 5

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11
Q

constituants au niveau des fibrilles d’ancrage

A

collagène 7

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12
Q

quelle M atteinte de la dermatose bulleuse ?

A

BP230 +/- BP180

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13
Q

quelle M atteinte dans l’épidermolyse bulleuse acquise (EBA) ?

A

collagène 7

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