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  • Book
    Jean Pieters, John D. McKinney, editors.
    Summary: Mycobacterium tuberculosis is one of the most notorious pathogens on earth, causing the death of approximately 1.5 million people annually. A major problem in the fight against tuberculosis is the emergence of strains that have acquired resistance to all available antibiotics. One key to the success of M. tuberculosis as a pathogen is its ability to circumvent host immune responses at different levels. This is not only a result of the special makeup of M. tuberculosis in terms of genetic diversity and DNA metabolism and its possession of specialized secretion systems, but also of its ability to hijack the host's innate immune defence mechanisms. In this volume, researchers from different disciplines provide a topical overview of the diverse mechanisms that contribute to the virulence of M. tuberculosis, ranging from their genetic, metabolic and molecular makeup, as well as the complex strategies these bacteria utilize to escape immune destruction within infected hosts.
    Digital Access Springer 2013
    Access via Current topics in microbiology and immunology ; 2013; 374
    Location
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    Current topics in microbiology and immunology ; 2013; 374
    2013
  • Article
    Thiel E, Rodt H, Netzel D, Huhn D, Wündisch GF, Hass RJ, Bender-Götze C, Thierfelder S.
    Blut. 1978 Jun 20;36(6):363-9.
    The lymphoblasts from 100 patients with acute lymphocytic leukaemia were investigated for the expression of receptors for sheep erythrocytes (E) and of a specific heterologous T cell antigen (T). In 17 cases, both T cell markers were expressed simultaneously on the leukaemic cells. In 13 cases only T antigens could be demonstrated on the lymphoblasts. A quantitative analysis of T antigens by immunoautoradiography revealed that the T expression of E-T+ -lymphoblasts was in general like that of E+T+-lymphocytes in the blood of normal persons, in several cases even higher. Therefore, the failure of E-rosette formation cannot be correlated to a decrease of the other T cell differentiation marker. In 7 out of 9 tested cases, a strong acid phosphatase reaction product located paranuclearly could be demonstrated. Complement-receptors were expressed in 3 of 5 cases which were also demonstrated in some cases of the E+T+-ALL group. The latter group was characterized by a T antigen expression like that of thymocytes. 4 cases of the E-T+ALL group were adults. Since the leukaemia cells of 2 cases were negative for acid phosphatase, PAS and all surface markers including cALL antigen, the T antigen can classify undifferentiated and otherwise unclassificable leukaemias. The clinical signigicance of the E-T+-ALL seems to be important since 5 out of 9 children with this type of ALL died soon after diagnosis.
    Digital Access Access Options