Antigens Cd95
Mostrando 1-12 de 22 artigos, teses e dissertações.
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1. InfecÃÃo latente por mycobacterium tuberculosis em portadores de infecÃÃo por HIV/AIDS: anÃlise atravÃs do uso de teste tuberculÃnico e teste de liberaÃÃo de interferon-gama / Latent infection by mycobacterium tuberculosis in patients with HIV / AIDS: analysis through the use of tuberculin test and interferon-gamma release
People living with HIV have an enhanced chance to develop and to die of tuberculosis (TB). Many studies demonstrate that chemoprophylaxis for latent tuberculosis infection (LTBI) reduces the progression to active TB. Indeed, the diagnosis of LTBI is controversial. In Brazil, the only test approved for use is the tuberculin skin test (TST), however, this test
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/02/2012
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2. "Expressão das proteínas Fas e Bcl-2 em células mononucleares de crianças e adolescentes com lúpus eritematoso sistêmico" / Expression of Fas and Bcl-2 proteins on mononuclear cells from children and adolescents with systemic lupus erythematosus
In order to verify the expression of Fas and Bcl-2 proteins on lymphocytes and their relationship with disease activity 38 patients with juvenile-onset systemic lupus erythematosus and 25 healthy controls were studied. The measurements showed that percentages of lymphocytes T CD3+ and CD8+ and B lymphocytes positively stained for Fas antigen and mean fluores
Publicado em: 2005
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3. HHV-8 infection in patients with AIDS-related Kaposi's sarcoma in Brazil
The aims of the present study were to determine the prevalence of human herpesvirus type 8 (HHV-8) in HIV-positive Brazilian patients with (HIV+/KS+) and without Kaposi's sarcoma (HIV+/KS-) using PCR and immunofluorescence assays, to assess its association with KS disease, to evaluate the performance of these tests in detecting HHV-8 infection, and to invest
Brazilian Journal of Medical and Biological Research. Publicado em: 2001-07
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4. Immunocytochemical analysis of human synovial lining cells: phenotypic relation to other marrow derived cells.
The antigenic phenotype of human synovial lining cells in normal and hyperplastic synovium intima was determined with a panel of monoclonal antibodies directed against a large number of well defined myeloid (macrophage/granulocyte associated) antigens. Synovial lining cells express numerous macrophage associated antigens, including CD11b (CR3), CD13, CD14, C
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5. Human immunodeficiency virus infection down-regulates HLA class II expression and induces differentiation in promonocytic U937 cells.
We studied the effect of human immunodeficiency virus (HIV) infection on the surface-marker expression of the human promonocytic cell line U937. U937 cells persistently produced HIV as detected by reverse transcriptase activity in culture supernatant. Expression of HLA class II antigens on U937/HIV cells was decreased 2- to 10-fold, depending on the Mab used
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6. The CD8+ cell noncytotoxic anti-HIV response can be blocked by protease inhibitors
CD8+ cells from healthy HIV-infected individuals can suppress HIV replication in infected CD4+ cells without killing the cells. This CD8+ cell noncytotoxic antiviral response (CNAR), observed by coculture of CD8+ cells with infected CD4+ cells, is associated with secretion of a CD8+ cell antiviral factor (CAF). In attempts to identify CAF, we discovered that
The National Academy of Sciences.
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7. Identification of Babesia bovis merozoite antigens separated by continuous-flow electrophoresis that stimulate proliferation of helper T-cell clones derived from B. bovis-immune cattle.
To characterize Babesia bovis merozoite antigens that stimulate anamnestic T helper (Th)-cell responses from B. bovis-immune cattle, B. bovis-specific Th-cell lines and clones, previously assigned to different antigenic groups (W. C. Brown, S. Zhao, A. C. Rice-Ficht, K. S. Logan, and V. M. Woods, Infect. Immun. 60:4364-4372, 1992), were tested in proliferati
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8. Analysis of T-cell responses in cattle immunized against heartwater by vaccination with killed elementary bodies of Cowdria ruminantium.
Cattle were successfully immunized against heartwater with a lysate of Cowdria ruminantium formulated in Freund's adjuvant. Vaccinated animals proved fully resistant to virulent challenge 3 and 10 months after vaccination. For the first time a helper T lymphocyte response to Cowdria antigens was observed and characterized. Cowdria-specific T-cell lines gener
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9. Human immunodeficiency virus-specific cytotoxic responses of seropositive individuals: distinct types of effector cells mediate killing of targets expressing gag and env proteins.
By using target cells that expressed isolated env, gag, p27nef, or p23vif molecules introduced by recombinant vaccinia viruses containing genes encoding these polypeptides, it was possible to identify env, gag, p27nef, and p23vif as cytolytic target antigens for freshly isolated blood cells from human immunodeficiency virus 1 (HIV-1) seropositive patients. M
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10. CD177: A member of the Ly-6 gene superfamily involved with neutrophil proliferation and polycythemia vera
Genes in the Leukocyte Antigen 6 (Ly-6) superfamily encode glycosyl-phosphatidylinositol (GPI) anchored glycoproteins (gp) with conserved domains of 70 to 100 amino acids and 8 to 10 cysteine residues. Murine Ly-6 genes encode important lymphocyte and hematopoietic stem cell antigens. Recently, a new member of the human Ly-6 gene superfamily has been describ
BioMed Central.
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11. Chronic antigenic stimuli as a possible explanation for the immunodepression caused by liver cirrhosis
The objectives of this work were the analysis of the functional characteristics of circulating monocytes and T lymphocytes in patients with liver cirrhosis, and evaluation of the relationship with an increased exposure to antigens due to bacterial translocation. Forty patients with liver cirrhosis (20 with compensated cirrhosis and 20 with ascitic decompensa
Blackwell Science Inc.
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12. Preservation of Lymphocyte Immunophenotype and Proliferative Responses in Cryopreserved Peripheral Blood Mononuclear Cells from Human Immunodeficiency Virus Type 1-Infected Donors: Implications for Multicenter Clinical Trials
Human immunodeficiency virus type 1 (HIV-1) infection results in impaired immune function that can be measured by changes in immunophenotypically defined lymphocyte subsets and other in vitro functional assays. These in vitro assays may also serve as early indicators of efficacy when new therapeutic strategies for HIV-1 infection are being evaluated. However
American Society for Microbiology.