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Int J Lepr Other Mycobact Dis. 2000 Mar;68(1):18-22.

Comparative study of Mitsuda reaction to nude mouse and armadillo lepromin preparations using nine-banded armadillos.

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Microbiology Research Department, GWL Hansen's Disease Center, Louisiana State University, Baton Rouge 70894, USA.


In 14 nine-banded armadillos the Mitsuda response to nude mouse-derived lepromin (lepromin-nu/nu) was compared to that of armadillo-derived lepromin (lepromin-A) by injecting the reagents intradermally into either side of the abdomen of the animal and examining the biopsies from the sites after 12 days. The histopathologic responses to both antigens were found to be similar, whether the animal was Mitsuda-negative (lepromatous) or Mitsuda-positive (tuberculoid). It is pointed out that armadillos are good experimental models for leprosy, and their use can replace humans in experimental studies.

[Indexed for MEDLINE]

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