Evidence That Hyaluronidase Is Not Involved in Tissue Invasion of the Protozoan Parasite Entamoeba histolytica

Author:

Nickel Rosa1,Stern Robert2,Leippe Matthias1

Affiliation:

1. Bernhard Nocht Institute for Tropical Medicine, 20359 Hamburg, Germany,1 and

2. Department of Pathology, School of Medicine, University of California, San Francisco, California 041432

Abstract

ABSTRACT As previous reports suggested that a hyaluronidase is involved in tissue invasion of Entamoeba histolytica , we searched for such an activity in trophozoite extracts. A hyaluronidase activity was not detectable in long-term cultures or in amoebae freshly passaged through a gerbil liver, as evidenced by four different techniques.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Immunology,Microbiology,Parasitology

Reference33 articles.

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2. Studies on the production of hyaluronidase by Entamoeba histolytica;Bradin J. L. J.;Exp. Parasitol.,1952

3. Entamoeba histolytica and Entamoeba dispar: differences in numbers and expression of cysteine proteinase genes;Bruchhaus I.;Mol. Microbiol.,1996

4. Evolution of virulence in Entamoeba histolytica;Clark C. G.;Trop. Dis. Bull.,1995

5. Hyaluronidases in tissue invasion;Csoka T. B.;Invasion Metastasis,1997

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