Inf&Imm_H15 (D7) Flashcards

(10 cards)

1
Q

RA, type overgevoeligheid

A

type IV

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2
Q

RA, genetische voorbeschiktheid

A

HLA-DR4

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3
Q

RA, orgaanspecifiek?

A

Nee

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4
Q

RA, reactie tegen

A

gecitrullineerde eiwitten

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5
Q

wat is citrullinatie

A

omzetting van arginine naar citrulline

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6
Q

RA, ontstaansmechanisme

A
  • Auto-reactieve T-cellen herkennen gecitrullineerde eiwitten
  • B-cellen herkennen gecitrullineerde eiwitten en produceren antilichamen hiertegen = anti-cyclisch citrullinated peptide antilichamen (anti-CPP)
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7
Q

andere voorbeschikkende factoren voor RA

A

roken

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8
Q

Multiple sclerose, type overgevoeligheid

A

type IV

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9
Q

Multiple sclerose, orgaanspecifiek?

A

Ja, CZS

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10
Q

Multiple sclerose, stadia

A
  • vroeg: ontstekingsopflakkeringen die demyeliniserende laesies veroorzaken (T-cellen reageren op antigenen zoals myeline basic protein, macrofagen inhiberen de neuronale signalisatie)
  • Later: antilichamen tegen myelin basic protein schaden myeline, macrofagen maken de myeline schede irreversibel kapot
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