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Latent Tuberculosis: A Promising New Compound to Treat Non-Replicating and Intramacrophagic Mycobacteria

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Autor(es):
Campos, Debora Leite ; Demarqui, Fernanda Manaia ; Solcia, Mariana Cristina ; de Souza, Paula Carolina ; da Silva Maia, Pedro Ivo ; Deflon, Victor Marcelo ; Pavan, Fernando Rogerio
Número total de Autores: 7
Tipo de documento: Artigo Científico
Fonte: BIOMEDICINES; v. 10, n. 10, p. 12-pg., 2022-10-01.
Resumo

As a biologic reservoir of Mycobacterium tuberculosis (M. tb), one-quarter of the world population is infected with the well-known latent tuberculosis (LTBI). About 5-10% of LTBI patients will progress to active disease in the first years after primary infection and, despite using the recommended treatment, 20% can still reactivate the infection. A new LTBI treatment could minimize adverse effects and antibiotic resistance that can occur when the same drug is used to treat the latent and active disease. New hydrazones were evaluated, and they showed great inhibitory activity against intramacrophagic and non-replicating M. tb, commonly found at this stage of infection, in addition to bactericidal and narrow-spectrum activity. When tested against eukaryotic cells, the hydrazones showed great safety at different exposure times. In vitro, these compounds performed better than isoniazid and could be considered new candidates for LTBI treatment, which may promote greater engagement in its prescription and adherence. (AU)

Processo FAPESP: 20/13497-4 - Busca do mecanismo de ação e efeito terapêutico de novas classes de fármacos contra Mycobacterium tuberculosis
Beneficiário:Fernando Rogério Pavan
Modalidade de apoio: Auxílio à Pesquisa - Regular
Processo FAPESP: 18/21778-3 - Análise da atividade in vitro, in vivo e do mecanismo de ação de compostos benzofuroxanos frente ao Mycobacterium tuberculosis
Beneficiário:Debora Leite Campos
Modalidade de apoio: Bolsas no Brasil - Doutorado