Selective response of lymphocytes from Treponema pallidum-infected rabbits to mitogens and Treponema reiteri
نویسندگان
چکیده
منابع مشابه
Sequential changes in susceptibility to Treponema pallidum of rabbits previously infected with Treponema paraluis-cuniculi.
Rabbits immunised with virulent Treponema paraluis-cuniculi were challenged intradermally with graded doses of Treponema pallidum at three, five, seven, 12, and 30 months to ascertain the level of protection to T pallidum at various intervals after immunisation.Rabbits challenged at three months after immunisation showed no protection against T pallidum and developed syphilitic lesions signific...
متن کاملSusceptibility of rabbits venereally infected with Treponema paraluis-cuniculi to superinfections with Treponema pallidum.
Three female rabbits, venereally infected with Treponema paraluis-cuniculi between five and eight months previously, had treponeme-containing genital lesions and positive results to serological tests for syphilis. These rabbits and four normal female rabbits were challenged with Treponema pallidum intradermally on the shaved back with triplicate doses of 10(4), 10(3), 10(2), and 10 treponemes (...
متن کاملSecondary lesions in rabbits experimentally infected with Treponema pallidum.
Thirty rabbits infected with 10(3) of either Nichols or Melbourne 1 strains of Treponema pallidum were observed for the development of secondary lesions, which appeared outside areas inoculated with viable treponemes. More rabbits infected with Melbourne 1 strain (eight of 15 rabbits) than were infected with the Nichols reference strain (three of 15 rabbits) developed secondary lesions. The mea...
متن کاملShape of Treponema pallidum.
Treponema pallidum was found to be not helical, but a flat wave twisted into one to five different planes per cell.
متن کاملMucopolysaccharidase of Treponema pallidum.
Treponema pallidum (Nichols strain) exhibited mucopolysaccharidase activity. Acidic mucopolysaccharides were broken down more rapidly by viable treponemes than by heat-inactivated treponemes or membrane filtrates of treponemal suspensions. Ouchterlony immunodiffusion demonstrated the occurrence of antibodies to the hyaluronidase-like enzyme within syphilitic sera. After intratesticular inoculat...
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ژورنال
عنوان ژورنال: Infection and Immunity
سال: 1977
ISSN: 0019-9567,1098-5522
DOI: 10.1128/iai.15.2.417-422.1977