Base de dados : HANSEN
Pesquisa : FITOHEMAGLUTININAS/FARMACOL [Descritor de assunto]
Referências encontradas : 5 [refinar]
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  1 / 5 HANSEN  
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Id:18172
Autor:Brown, Arthur E; Vithayasai, Vicharn; Scollard, David M; Nelson, Kenrad E; Moses, Vijai; Schauf, Victoria; Makonkawkeyoon, Sanit
Título:Lymphocyte transformation in lepromatous leprosy: a study of the influence of disease activity and symptom duration
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Fonte:s.l; s.n; mar. 1986. 7 p. tab, graf.
Resumo: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.(AU).
Descritores:FITOHEMAGLUTININAS/farmacol
TRANSFORMACAO LINFOCITICA
HANSENIASE/imunol
HANSENIASE/terap
ANTIGENO DE MITSUDA
VACINA BCG/farmacol
Limites:HUMANO
MASCULINO
ADULTO
MEIA-IDADE
SUPPORT, NON-U.S. GOV'T
SUPPORT, U.S. GOV'T, P.H.S.
ADOLESCENTE
Meio Eletrônico: - .
Localização:BR191.1; 01763/s


  2 / 5 HANSEN  
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Id:18135
Autor:Bjune, G
Título:In vitro lymphocyte stimulation in leprosy; simultaneous stimulation with Mycobacterium leprae antigens and phytohaemagglutinin
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Fonte:s.l; s.n; jun. 1979. 9 p. tab, graf.
Resumo:Peripheral blood lymphocytes from 105 subjects with different forms of leprosy and healthy contacts of leprosy patients weere stimulated in vitro different preparations of mycobacterial antugens alone or in combination with a suboptimal dose of phytohaemagglutinin (PHA). In nearly all individuals sonicated leprosy bacilli and PHA together gave a lower 3H-thymidine incorporation than didi the same dose of PHA alone. There was no difference in the degree of inhibition seen in the different patient groups or the healthy contacts. High doses of whole, washed Mycobacterium leprae, combined with PHA led to an increased thymidine incorporation in borderline tuberculoid leprosy patients who had experienced a reversal reaction, and in healthy contacts with less than 6 months exposure did not show an augmentation of the PHA-induced thymidine incorporation. The inhibition exerted by sonicated M. leprae was dose-dependent, seen even with very low doses of antigen, and was not due to direct Cytotoxicity, M. bovis, strain BCG, was weakly suppressive effect. There was no correlation between the suppressive effective of M. leprae antigens and the other mtcobacteria neither was there any correlation with the responses to the mycobacterial antigens alone. Many lepromatous leprosy patients showed significant suppression of background incorporation with addition of M. leprae antigens. This paper discusses wheter the apparent `non-responsiveness` in lepromatous leprosy could be due to active suppressor mechanisms operative in vitro.(AU).
Descritores:ANTIGENOS DE BACTERIAS/imunol
ANTIGENOS DE SUPERFÍCIE/imunol
HANSENIASE/imunol
HANSENIASE/metab
TRANSFORMACAO LINFOCITICA
TIMIDINA/metab
FITOHEMAGLUTININAS/farmacol
MYCOBACTERIUM LEPRAE/imunol
RELACAO DOSE-RESPOSTA IMUNOLOGICA
LINFOCITOS/metab
Limites:HUMANO
Meio Eletrônico: - .
Localização:BR191.1; 00020/s


  3 / 5 HANSEN  
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Id:15506
Autor:afutis-Morris, Mary; Guillén-Vargas, Cecilia M; Navarro-Fierros, Sérgio; Alfaro-Bustamante, Fernando; Zaitzeva-Petrovna, Galina; Daneri-Navarro, Adrian; Santoscoy-Tovar, Luis; Armendariz-Borunda, Juan
Título:Addition of anti-CD28 antibodies restores PBMC proliferation and IFN-gamma production in lepromatous leprosy patients
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Fonte:s.l; s.n; 1999. 7 p. graf.
Descritores:HANSENIASE LEPROMATOSA
HANSENIASE LEPROMATOSA
HANSENIASE LEPROMATOSA
ANTICORPOS MONOCLONAIS
ANTIGENOS CD28
ANTIGENOS CD80
LINFOCITOS B
DIVISAO CELULAR
INTERFERON TIPO II
LEUCOCITOS MONONUCLEARES
LEUCOCITOS MONONUCLEARES
FITOHEMAGLUTININAS
LINFOCITOS T
Localização:BR191.1; 08357/s


  4 / 5 HANSEN  
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Id:14340
Autor:Mesret, Yohannes; Reed, Allen H; Howe, Rawleigh
Título:Proliferative responses of T cells from the skin and nerve lesions of leprosy patients
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Fonte:s.l; s.n; 1995. 10 p. tab, graf.
Descritores:ANTIGENOS CD28
ANTIGENOS CD3
ANTIGENOS CD45
INTERFERON TIPO II
RECEPTORES DA INTERLEUCINA 2
INTERLEUCINA-2
INTERLEUCINA-4
HANSENIASE
HANSENIASE
TRANSFORMAÇAO LINFOCITICA
TRANSFORMAÇAO LINFOCITICA
MITOGENOS
NERVOS PERIFÉRICOS
FITOHEMAGLUTININAS
PELE
LINFOCITOS T
LINFOCITOS T
CELULAS CULTIVADAS
Localização:BR191.1; 07189/s


  5 / 5 HANSEN  
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Id:13867
Autor:Bisht, Deepa; Mehrotra,, Jyoti; Dhindsa, M. S; Singh, N. B; Sinha, Sudhir
Título:A major T-cell-inducing cytosolic 23 kDa protein antigen of the vaccine candidate Mycobacterium habana is superoxide dismutase
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Fonte:s.l; s.n; 1996. 9 p. ilus, tab.
Descritores:MYCOBACTERIUM LEPRAE
SEQUENCIA DE AMINOACIDOS
ANTIGENOS DE BACTÉRIAS
ANTIGENOS DE BACTÉRIAS
PROTEINAS DE BACTÉRIAS
PROTEINAS DE BACTÉRIAS
VACINAS BACTERIANAS
HANSENIASE TUBERCULOIDE
TRANSFORMAÇAO LINFOCITICA
CAMUNDONGOS ENDOGAMICOS BALB C
DADOS DE SEQUENCIA MOLECULAR
PESO MOLECULAR
FITOHEMAGLUTININAS
SUPEROXIDO DISMUTASE
SUPEROXIDO DISMUTASE
LINFOCITOS T
Localização:BR191.1; 06808/s



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