Pa Togenesis Dan Patofisiologis Gn

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Patogenesis dan Patofisiologi GN post streptococus infection

Tutorial B3 Bahan sri wahyuni 070100076

Ag(neuraminidase dr bakteri mengubah IgG  auto antigen) Imun sirkulasi dan imun in situ)

Ab

C5a anafilatoksin  rusak vaskular  faktor Hageman Koagulasi intravaskular

Permeabilitas vaskular naik Proliferasi endotel dan intrakapiler

C3(H20)

IgG, IgM,IgA

C5a Rangsang makrofag, leukosit, dan sel NK

Aktivasi kinin

Aktifasi komplemen C1q-C1r-C1s

B

C2 C4

Loop amplifikasi

D C3

properdin

C5 C6 C7 C8 C9

Poly C membrane channel

Membrane attack complex

ICAM DAN VCAM makrofag

IL 1 dan TNF alfa

Berikatan dengan T CD4+ Stretococcus primed T CD4+

Berikatan dengan VCAM I ( sel endotel)

Aktifasi netrofil, respon inflam. Permeabilitas endotel

Sel B Antibodi antistreptokokku s

VCAM 1

VLA 4

Limfosit masuk

Bila terpajan dengan Ag yang sama

Merusak endotel ( ROS)

leukosit

Leukosit masuk

Pelepasan enzim lisosom

Nekrosis jaringan

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