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  • Title: Histopathological features of murine systemic vasculitis caused by Candida albicans extract--an animal model of Kawasaki disease.
    Author: Takahashi K, Oharaseki T, Wakayama M, Yokouchi Y, Naoe S, Murata H.
    Journal: Inflamm Res; 2004 Feb; 53(2):72-7. PubMed ID: 15021972.
    Abstract:
    OBJECTIVE AND DESIGN: We examined the histopathological features of systemic vasculitis caused in mice by injection of a Candida albicans ( C. albicans) extract and investigated the principal genetic roles in the development of vasculitis. MATERIALS AND METHODS: C. albicans extract was injected intraperitoneally for five consecutive days in the 1st and 5th weeks to CD-1, C57BL/6N, C3H/HeN, BALB/cAnN, DBA/2N and CBA/JN mice. At week 8, mice were killed, and histological examination was performed by light microscopy. RESULTS: Arteritis had developed in 66% of CD-1 mice. The extramural coronary arteries and aortic root close to the orifice of coronary arteries were most frequently involved. Histologically, the characteristic feature of the arteritis was proliferative and granulomatous inflammation accompanied by numerous macrophages, lymphocytes, plasma cells and neutrophils. Fibrocellular intimal thickening with destruction of the internal elastic lamina and media was also observed. Five mouse strains after injection of C. albicans extract were clearly classified into a resistant group (CBA/JN, DBA/2N and BALB/cAnN mice) and a sensitive group (C3H/HeN and C57BL/6N mice). The inbred mouse strains which showed the same histocompatibility-2 (H-2) haplotype exhibited a different susceptibility to development of vasculitis. CONCLUSION: This arteritis murine model shows unique histological features that have not been observed in other animal vasculitis models and it most closely resembles Kawasaki disease in humans. The genetic control of susceptibility to induction of vasculitis by the C. albicans extract is dependent to the mouse strains, but is not linked to the H-2 loci.
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