RGD Reference Report - Role of different pathways of the complement cascade in experimental bullous pemphigoid. - Rat Genome Database

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Role of different pathways of the complement cascade in experimental bullous pemphigoid.

Authors: Nelson, KC  Zhao, M  Schroeder, PR  Li, N  Wetsel, RA  Diaz, LA  Liu, Z 
Citation: Nelson KC, etal., J Clin Invest. 2006 Nov;116(11):2892-900. Epub 2006 Oct 5.
RGD ID: 7421522
Pubmed: PMID:17024247   (View Abstract at PubMed)
PMCID: PMC1590266   (View Article at PubMed Central)
DOI: DOI:10.1172/JCI17891   (Journal Full-text)

Bullous pemphigoid (BP) is an autoimmune subepidermal blistering disease associated with autoantibodies directed against the hemidesmosomal proteins BP180 and BP230 and inflammation. Passive transfer of antibodies to the murine BP180 (mBP180) induces a skin disease that closely resembles human BP. In the present study, we defined the roles of the different complement activation pathways in this model system. Mice deficient in the alternative pathway component factor B (Fb) and injected with pathogenic anti-mBP180 IgG developed delayed and less intense subepidermal blisters. Mice deficient in the classical pathway component complement component 4 (C4) and WT mice pretreated with neutralizing antibody against the first component of the classical pathway, C1q, were resistant to experimental BP. These mice exhibited a significantly reduced level of mast cell degranulation and polymorphonuclear neutrophil (PMN) infiltration in the skin. Intradermal administration of compound 48/80, a mast cell degranulating agent, restored BP disease in C4(-/-) mice. Furthermore, C4(-/-) mice became susceptible to experimental BP after local injection of PMN chemoattractant IL-8 or local reconstitution with PMNs. These findings provide the first direct evidence to our knowledge that complement activation via the classical and alternative pathways is crucial in subepidermal blister formation in experimental BP.



RGD Manual Disease Annotations    Click to see Annotation Detail View

  
Object SymbolSpeciesTermQualifierEvidenceWithNotesSourceOriginal Reference(s)
CFBHumanbullous pemphigoid  ISOCfb (Mus musculus) RGD 
CfbRatbullous pemphigoid  ISOCfb (Mus musculus) RGD 
CfbMousebullous pemphigoid  IMP  RGD 

Objects Annotated

Genes (Rattus norvegicus)
Cfb  (complement factor B)

Genes (Mus musculus)
Cfb  (complement factor B)

Genes (Homo sapiens)
CFB  (complement factor B)


Additional Information