overwhelming fungal infection in a toll deficient background

10
Overwhelming fungal infection in a Toll Overwhelming fungal infection in a Toll deficient background deficient background

Upload: chana

Post on 30-Jan-2016

24 views

Category:

Documents


0 download

DESCRIPTION

Overwhelming fungal infection in a Toll deficient background. Leucine rich domains. Toll. TIR domain. NF- k B. NF- k B. Comparison of structures of CD14, Toll and IL-1R. Leucine rich domains. Ig-like domains. IL-1R. CD14. GPI anchor. Cell membrane. TIR domain. - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: Overwhelming fungal infection in a Toll deficient background

Overwhelming fungal infection in a Toll Overwhelming fungal infection in a Toll deficient backgrounddeficient background

Page 2: Overwhelming fungal infection in a Toll deficient background

Comparison of structures of CD14, Toll and IL-1R

IL-1RIL-1R

TIRTIRdomaindomain

Ig-like Ig-like domainsdomainsCD14CD14

Leucine Leucine rich rich domainsdomains

GPI anchorGPI anchor CellCellmembranemembrane

NF-NF-BB

TollToll

TIRTIRdomaindomain

Leucine Leucine rich rich domainsdomains

NF-NF-BB

Page 3: Overwhelming fungal infection in a Toll deficient background

Nature, Vol 388, 24 july 1997, 394-397Nature, Vol 388, 24 july 1997, 394-397

Page 4: Overwhelming fungal infection in a Toll deficient background

Bruce BeutlerBruce Beutler

Page 5: Overwhelming fungal infection in a Toll deficient background

1

PG, LPLP

2 3 4 5 6 7 8 9 10

dsRNALPS

Flagellin

Zym, LP

ssRNA IMQ IMQ CpG

Toll-like receptors

Page 6: Overwhelming fungal infection in a Toll deficient background
Page 7: Overwhelming fungal infection in a Toll deficient background

Complexe ternaire :

1 homodimères + ARNdb

Permet le chevauchement des TIR engageant la signalisation.

Modèle proposéModèle proposé

Page 8: Overwhelming fungal infection in a Toll deficient background

Parallels between IL-1 and Spz functions

TollToll

MicrobialMicrobial inducersinducers

MammalsMammalsNF-NF-BB

IL-1RIL-1R

DefensinDefensin

IL-1IL-1

IL-1IL-1NF-NF-BB

TLRTLR

ProSpzProSpz

SpaetzleSpaetzle

DrosophilaDrosophila

NF-NF-BB

DrosomycinDrosomycin

PGRP-SAPGRP-SA GNBP-1GNBP-1

Page 9: Overwhelming fungal infection in a Toll deficient background

Sang

Page 10: Overwhelming fungal infection in a Toll deficient background

Mannose Rec. (MR, Endo180, DEC205, PLA2R)C-typeLectins

Others(LRR, CARD,…)

Ig-SF

TLR

h LIR (ILT)m PIR

NCRTREMhKIR

NKRP-1

mLY49

NKG2D

DC-SIGN receptorsDectin-2 (NCCL)Langerin

BDCA-2 (DLEC)

NOD moleculesTLR