Cientistas cubanos devem iniciar testes de vacina contra Aids em humanos
Autor: diegovisa | Publicado: 2012-03-09T08:31:00-03:00

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Anúncio do desenvolvimento de protótipo da vacina foi feito em congresso em Havana
Cientistas cubanos fizeram uma exposição, na segunda-feira (05/03), dos avanços no desenvolvimento de uma vacina contra a Aids. Durante congresso de biotecnologia que acontece em Havana, foi anunciado que os testes em ratos com o protótipo da vacina foi bem sucedido e dentro de pouco tempo serão feitas provas em humanos que contraíram o vírus."Estamos preparando um teste clínico, muito pequeno e muito controlado, com pacientes soropositivos que não estão em etapas avançadas da doença, disse o cientista cubano Enrique Iglesias a jornalistas.Ele lidera a equipe de profissionais que desenhou a vacina no Centro de Engenharia Genética e Biotecnologia (CIGB), situado na capital cubana. Iglesias explicou que a vacina Teravac-HIV-1 foi desenvolvida a partir de uma "proteína recombinante" - através de técnicas de engenharia genética - e busca induzir uma resposta celular contra o vírus.O cientista pediu para que não se criem falsas expectativas, pois "não existe um modelo animal de contágio de Aids que reproduza a enfermidade como em humanos". "Até agora, foram feitos mais de 100 testes clínicos, em humanos com HIV, em Cuba e outros países, e todos falharam", disse Iglesias.O 1º Congresso Internacional de Biotecnologia de Havana, começou esta segunda-feira e reune cerca de 600 cientistas de 38 países.Segundo o Ministério de Saúde Pública de Cuba, a ilha investe mais de 200 milhões de dólares por ano em programas de prevenção e atendiemento a pacientes com Aids, o que inclui tratamento gratuito para com remédios retrovirais - alguns produzidos no próprio país. Informes locais mostram que Cuba se encontra entre os 22 países menos afetados pela Aids.Em janeiro, o conselheiro chefe do Programa das Nações Unidas para o Desenvolvimento, Carlos Cortes Falla, elogiou os resultados obtidos por Cuba na prevenção do vírus da AIDS. Segundo Cortes, o país possui a menor taxa de infecção de HIV em toda a América Latina.Fonte: operamundiExtraído de: http://operamundi.uol.com.br/conteudo/noticias/20350/cientistas+cubanos+devem+iniciar+testes+de+vacina+contra+aids+em+humanos.shtml