Abstract
A series of inbred, congenic resistant, and hybrid strains of mice were intradermally inoculated with 106 promastigotes of Leishmania tropica. These mice were divided into susceptible and resistant groups using the criteria of lesion size, development of metastatic foci and skin-test reactivity. At 16 weeks of infection, resistant strains A/J, DBA/1J, AKR/J, CBA/J, C3H/HeJ, NZB/BINJ, C57BL/6J, C57BL/10Sn, B10.D2, B10.129(10M), and B10.CE(30NX) had completely resolved their lesions, while susceptible SWR/J and BALB/cJ mice demonstrated large, nonhealing cutaneous lesions. In addition, BALB/cJ developed metastatic lesions on the extremities which progressively increased in size. All BALB/cJ and SWR/J mice died by 7 1/2 months of infection. The BALB/cJ♀ x C57BL/6J♂F1 hybrid behaved in an intermediate fashion showing a slower expansion of cutaneous ulcers and a delayed development of metastatic foci, however, the infection ultimately proved fatal. The F2 generation could be separated into three distinct groups: resistant, intermediate, and susceptible mice with a lesion size distribution pattern in conformity with a 1:2:1 ratio. Male/female susceptibility differences were not noted. These data indicated that development of acquired resistance may be under the control of a single, autosomal gene. The gene did not appear to be H-2-, Ir-2-, or H-11-linked as is seen with Leishmania donovani infections.
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DeTolla, L.J., Scott, P.A. & Farrell, J.P. Single gene control of resistance to cutaneous leishmaniasis in mice. Immunogenetics 14, 29–39 (1981). https://doi.org/10.1007/BF00344297
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DOI: https://doi.org/10.1007/BF00344297