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  • Title: Lymphocyte transformation in lepromatous leprosy: a study of the influence of disease activity and symptom duration.
    Author: Brown AE, Vithayasai V, Scollard DM, Nelson KE, Moses V, Schauf V, Makonkawkeyoon S.
    Journal: Southeast Asian J Trop Med Public Health; 1986 Mar; 17(1):104-10. PubMed ID: 3738597.
    Abstract:
    The lymphocyte hyporesponsiveness to M. leprae of patients with active lepromatous leprosy has been well described. This immune defect is less well understood in terms of its time of origin, possible reversibility and specificity. To further examine the persistence and specificity of this abnormality, lymphocyte transformation tests of 93 leprosy patients to lepromin, BCG and PHA were studied. Among lepromatous patients, a decreased response to M. leprae was seen, whether the disease was active or inactive. Decreased responses to BCG were found in lepromatous patients with active disease, but not in those with inactive disease. The duration of patient symptoms was not associated with differences in LTT responses among the active lepromatous patients.
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