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Src and PI3 K Inhibitors Affect the Virulence Factors of Entamoeba Histolytica

Src and PI3 K Inhibitors Affect the Virulence Factors of Entamoeba Histolytica

L López-Contreras, V I Hernández-Ramírez, Y Flores-García, B Chávez-Munguía, P Talamás-Rohana

Parasitology. 2013 Feb;140(2):202-9.

PMID: 23058125

Abstract:

Protein kinases (PKs) of parasitic protozoa are being evaluated as drug targets. A large number of protein kinases within the protein kinome of Entamoeba histolytica strongly suggest that protein phosphorylation is a key component of pathogenesis regulation by this parasite. PI3 K and Src are kinases previously described in this parasite, but their role is poorly understood. Here, the effect of Src-1-inhibitor and PI3 K inhibitor (Wortmannin) on the virulence factors of E. histolytica was evaluated. Results show that both inhibitors affect the actin cytoskeleton and the amoebic movement. Also, the proteolytic activity is diminished by Wortmannin, but not by Src-inhibitor-1; however, the phagocytic capacity is diminished by Wortmannin and Src-1-inhibitor. Finally, we found that the virulence in vivo of E. histolytica is affected by Wortmannin but not by Src-1-inhibitor. This study opens the way for the design of anti-amoebic drugs based on kinase inhibition.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP179248590-A	Src Inhibitor-1		179248-59-0	Price

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