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Evidence of intra-hepatic vascular proliferation remodeling early after cure in experimental schistosomiasis mansoni: an immunohistochemical descriptive study



Evidence of intra-hepatic vascular proliferation remodeling early after cure in experimental schistosomiasis mansoni: an immunohistochemical descriptive study



Experimental Parasitology 130(1): 58-62



Experimental studies have demonstrated the occurrence of angiogenesis, blood vessels formation from pre-existing vessels, in the initial phase of bilharzial granuloma formation and during fibrosis progression in chronic hepatic schistosomiasis. Paradoxically, a recent work demonstrated an occurrence of angiogenesis during fibrosis regression months after curative treatment. Studies regarding the in situ kinetics of blood vessels in the phase of granuloma resolution and liver tissue healing early after treatment are lacking. The current work compared the kinetics of blood vessels by immunohistochemical staining using CD34, vascular endothelial growth factor (VEGF) and actin in the livers of normal control mice, Schistosoma mansoni infected mice and mice 2 weeks after curative treatment. The present study demonstrated a process of angiogenesis remodeling in the liver in the curative phase of hepatic schistosomiasis during the stage of granuloma resolution. Such finding raises the evidence of the importance and potential beneficial effect of vascular proliferation in the process of healing and restoration of liver tissue functions. Thus, blocking of angiogenesis may not represent the appropriate therapeutic target for the early treatment of schistosomal liver fibrosis.

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Accession: 053097191

Download citation: RISBibTeXText

PMID: 22019417

DOI: 10.1016/j.exppara.2011.09.014


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