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HTLV-1 infects human mesenchymal stromal cell in vitro and modifies their phenotypic characteristics.
Rodrigues, Evandra Strazza; de Macedo, Mayra Dorigan; Pinto, Mariana Tomazini; Orellana, Maristela Delgado; Rocha Junior, Maurício Cristiano; de Magalhães, Danielle Aparecida Rosa; Tanaka, Yuetsu; Takayanagui, Osvaldo Massaiti; Covas, Dimas Tadeu; Kashima, Simone.
Afiliação
  • Rodrigues ES; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil.
  • de Macedo MD; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil.
  • Pinto MT; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil.
  • Orellana MD; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; School of Medicine of Ribeirão Preto, University of São Paulo, Brazil.
  • Rocha Junior MC; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil.
  • de Magalhães DA; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil.
  • Tanaka Y; University of the Ryukyus, Okinawa, Japan.
  • Takayanagui OM; School of Medicine of Ribeirão Preto, University of São Paulo, Brazil.
  • Covas DT; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; School of Medicine of Ribeirão Preto, University of São Paulo, Brazil.
  • Kashima S; Regional Blood Center of Ribeirão Preto, University of São Paulo, Brazil; School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Brazil. Electronic address: skashima@hemocentro.fmrp.usp.br.
Virology ; 449: 190-9, 2014 Jan 20.
Article em En | MEDLINE | ID: mdl-24418552
The typical characteristics of mesenchymal stem cells (MSCs) can be affected by inflammatory microenvironment; however, the exact contribution of HTLV-1 to MSC dysfunction remains to be elucidated. In this study, we demonstrated that MSC cell surface molecules VCAM-1 and ICAM-1 are upregulated by contact with HTLV-1, and HLA-DR was most highly expressed in MSCs co-cultured with MT2 cells. The expression levels of VCAM-1 and HLA-DR were increased in MSCs cultured in the presence of PBMCs isolated from HTLV-1-infected symptomatic individuals compared with those cultured with cells from asymptomatic infected individuals or healthy subjects. HTLV-1 does not impair the MSC differentiation process into osteocytes and adipocytes. In addition, MSCs were efficiently infected with HTLV-1 in vitro through direct contact with HTLV-1-infected cells; however, cell-free virus particles were not capable of causing infection. In summary, HTLV-1 can alter MSC function, and this mechanism may contribute to the pathogenesis of this viral infection.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Vírus Linfotrópico T Tipo 1 Humano / Infecções por HTLV-I / Células-Tronco Mesenquimais Limite: Humans Idioma: En Revista: Virology Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Vírus Linfotrópico T Tipo 1 Humano / Infecções por HTLV-I / Células-Tronco Mesenquimais Limite: Humans Idioma: En Revista: Virology Ano de publicação: 2014 Tipo de documento: Article País de afiliação: Brasil País de publicação: Estados Unidos