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García-Vallejo,F.; Domínguez,M.C.; Tamayo,O.. |
Viruses share antigenic sites with normal host cell components, a phenomenon known as molecular mimicry. It has long been suggested that viral infections might trigger an autoimmune response by several mechanisms including molecular mimicry. More than 600 antiviral monoclonal antibodies generated against 11 different viruses have been reported to react with 3.5% of cells specific for uninfected mouse organs. The main pathological feature of tropical spastic paraparesis/human T-lymphotropic virus type I (HTLV-I)-associated myelopathy (TSP/HAM) is a chronic inflammation of the spinal cord characterized by perivascular cuffing of mononuclear cells accompanied by parenchymal lymphocytic infiltration. We detected the presence of autoantibodies against a 98- to... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: HTLV-I; TSP/HAM; Retrovirus; Molecular mimicry. |
Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000200013 |
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Montanheiro,P.A.; Penalva de Oliveira,A.C.; Posada-Vergara,M.P.; Milagres,A.C.; Tauil,C.; Marchiori,P.E.; Duarte,A.J.S.; Casseb,J.. |
To evaluate the human T-cell lymphotropic virus type I (HTLV-I) proviral DNA load among asymptomatic HTLV-I-infected carriers and patients with HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP), real time PCR using TaqMan probes for the pol gene was performed in two million peripheral blood mononuclear cells (PBMC). The albumin gene was the internal genomic control and MT2 cells were used as positive control. The results are reported as copies/10,000 PBMC, and the detection limit was 10 copies. A total of 89 subjects (44 HAM/TSP and 45 healthy HTLV-I-infected carriers) followed up at the Institute of Infectious Diseases "Emilio Ribas" and in the Neurology Division of Hospital of Clínicas were studied. The asymptomatic HTLV-I-infected... |
Tipo: Info:eu-repo/semantics/other |
Palavras-chave: HTLV-I; HTLV-I-associated myelopathy/tropical spastic paraparesis (HAM/TSP); HTLV-I DNA viral load. |
Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005001100011 |
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Viana,Graça Maria de Castro; Diniz Neto,João Arnaud; Furtado,Igor de Sousa; Binda Júnior,José Roberto; Tanaka,Bárbara Neiva; Nascimento,Maria do Desterro Soares Brandão. |
HTLV-I is associated with a broad spectrum of manifestations, including tropical spastic paraparesis and adult T-cell leukemia/lymphoma. Arnold Chiari syndrome is a condition characterized by herniation of the cerebellar tonsils through the foramen magnum. This condition should be suspected in all patients with headache and impaired motor coordination. Syringomyelia is a developmental anomaly that leads to the formation of an intramedullary cavity. Its clinical presentation is classically characterized by syringomyelic dissociation of sensation, with suspended distribution in the proximal portion of the trunk and upper limbs and preservation in other regions. We report here a case of association of the three diseases, which is rare in clinical practice,... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: HTLV-I; Arnold Chiari syndrome; Syringomyelia. |
Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702008000600018 |
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