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 Previous Article

Infection and Immunity, July 2006, p. 4387-4389, Vol. 74, No. 7
0019-9567/06/$08.00+0     doi:10.1128/IAI.02055-05
Copyright © 2006, American Society for Microbiology. All Rights Reserved.

Transient Neonatal Cryptosporidium parvum Infection Triggers Long-Term Jejunal Hypersensitivity to Distension in Immunocompetent Rats

Rachel Marion,1,{dagger} Asiya Baishanbo,1,2,{dagger} Gilles Gargala,1 Arnaud François,3 Philippe Ducrotté,1 Celia Duclos,3 Jean Fioramonti,4 Jean Jacques Ballet,5 and Loïc Favennec1*

Laboratoire de Parasitologie and ADEN UPRES EA-3234, CHU Charles-Nicolle, 76031 Rouen, France,1 College of Pharmacy, Xinjiang Medical University, Urumqi, China,2 Laboratoire d'Histopathologie, CHU Charles Nicolle, Rouen, France,3 INRA, 180 Chemin de Tournefeuille, BP 3, 31931 Toulouse Cedex 9, France,4 Laboratoire d'Immunologie et Immunopathologie, UPRES EA-2128, CHU Clemenceau, Caen, France5

Received 21 December 2005/ Returned for modification 30 January 2006/ Accepted 4 April 2006

In 5-day-old immunocompetent Sprague-Dawley rats infected with either 102 or 105 Cryptosporidium parvum oocysts, transient infection resulted 120 days later in increased cardiovascular depressor response to jejunal distension and jejunal myeloperoxidase activity (P < 0.05). Nitazoxanide treatment normalized jejunal sensitivity (P < 0.001) but not myeloperoxidase levels (P > 0.05). Data warrant further evaluation of the role of early cryptosporidiosis in the development of chronic inflammatory gut conditions.


* Corresponding author. Mailing address: Laboratoire de Parasitologie and ADEN UPRES EA-3234, CHU Charles-Nicolle, 1, rue de Germont, 76031 Rouen, France. Phone: 33 (0)2 32 88 66 39. Fax: 33 (0)2 32 88 68 75. E-mail: loic.favennec{at}univ-rouen.fr.

Editor: W. A. Petri, Jr.

{dagger} Both authors contributed equally to the work.


Infection and Immunity, July 2006, p. 4387-4389, Vol. 74, No. 7
0019-9567/06/$08.00+0     doi:10.1128/IAI.02055-05
Copyright © 2006, American Society for Microbiology. All Rights Reserved.




This article has been cited by other articles:

  • Khaldi, S., Gargala, G., Le Goff, L., Parey, S., Francois, A., Fioramonti, J., Ballet, J.-J., Dupont, J.-P., Ducrotte, P., Favennec, L. (2009). Cryptosporidium parvum Isolate-Dependent Postinfectious Jejunal Hypersensitivity and Mast Cell Accumulation in an Immunocompetent Rat Model. Infect. Immun. 77: 5163-5169 [Abstract] [Full Text]