| Author | Costa, Maria Fernanda de Souza | |
| Author | Dutra, Filipe Pereira | |
| Author | Deboosere, Nathalie | |
| Author | Jouny, Samuel | |
| Author | Ryul Song, Ok- | |
| Author | Iack, Guilherme | |
| Author | Souza, Andreia Lamoglia | |
| Author | Roma, Eric Henrique | |
| Author | Delorme, Vincent | |
| Author | Bozza, Patrícia T. | |
| Author | Brodin, Priscille | |
| Access date | 2023-05-10T14:01:16Z | |
| Available date | 2023-05-10T14:01:16Z | |
| Document date | 2022 | |
| Citation | COSTA, Maria Fernanda de Souza et al. Mycobacterium tuberculosis induces delayed lipid droplet accumulation in dendritic cells depending on bacterial viability and virulence. Wiley,119, p.224-236, Dec. 2022. | en_US |
| ISSN | 1365-2958 | en_US |
| URI | https://www.arca.fiocruz.br/handle/icict/58286 | |
| Language | eng | en_US |
| Publisher | Wiley | en_US |
| Rights | open access | |
| Subject in Portuguese | Mycobacterium tuberculosis | en_US |
| Subject in Portuguese | induz gota lipídica retardada acúmulo | en_US |
| Subject in Portuguese | Células dendríticas | en_US |
| Subject in Portuguese | Dependendo da viabilidade bacteriana e virulência | en_US |
| Title | Mycobacterium tuberculosis induces delayed lipid droplet accumulation in dendritic cells depending on bacterial viability and virulence | en_US |
| Type | Article | |
| DOI | 10.1111/mmi.15023 | |
| Abstract | Tuberculosis remains a global health threat with high morbidity. Dendritic cells (DCs)
participate in the acute and chronic inflammatory responses to Mycobacterium tuberculosis (Mtb) by directing the adaptive immune response and are present in lung
granulomas. In macrophages, the interaction of lipid droplets (LDs) with mycobacteriacontaining phagosomes is central to host-pathogen interactions. However, the data
available for DCs are still a matter of debate. Here, we reported that bone marrowderived DCs (BMDCs) were susceptible to Mtb infection and replication at similar
rate to macrophages. Unlike macrophages, the analysis of gene expression showed
that Mtb infection induced a delayed increase in lipid droplet-related genes and proinflammatory response. Hence, LD accumulation has been observed by high-content
imaging in late periods. Infection of BMDCs with killed H37Rv demonstrated that
LD accumulation depends on Mtb viability. Moreover, infection with the attenuated
strains H37Ra and Mycobacterium bovis-BCG induced only an early transient increase
in LDs, whereas virulent Mtb also induced delayed LD accumulation. In addition, infection with the BCG strain with the reintroduced virulence RD1 locus induced higher LD
accumulation and bacterial replication when compared to parental BCG. Collectively,
our data suggest that delayed LD accumulation in DCs is dependent on mycobacterial
viability and virulence. | en_US |
| Affilliation | Universidade Federal Fluminense. Instituto de Biologia. Departamento de Imunobiologia. Niterói, RJ, Brasil / Fundação Oswaldo Cruz. Centro de Desenvolvimento tecnológico em Saúde. Rio de janeiro, RJ, Brasil / Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France. | en_US |
| Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Imunofarmacologia. Rio de Janeiro, RJ, Brasil. | en_US |
| Affilliation | Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France. | en_US |
| Affilliation | Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France. | en_US |
| Affilliation | Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France. | en_US |
| Affilliation | Universidade Federal Fluminense. Instituto de Biologia. Departamento de Imunobiologia. Niterói, RJ, Brasil / Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Imunofarmacologia. Rio de Janeiro, RJ, Brasil.. | en_US |
| Affilliation | Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Imunologia e Imunogenética em Doenças Infecciosas. Rio de Janeiro, RJ, Brasil. | en_US |
| Affilliation | Fundação Oswaldo Cruz. Instituto Nacional de Infectologia Evandro Chagas. Laboratório de Imunologia e Imunogenética em Doenças Infecciosas. Rio de Janeiro, RJ, Brasil. | en_US |
| Affilliation | Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France. | en_US |
| Affilliation | Fundação Oswaldo Cruz. Instituto Oswaldo Cruz. Laboratório de Imunofarmacologia. Rio de Janeiro, RJ, Brasil. | en_US |
| Affilliation | Univ. Lille, CNRS, Inserm, CHU Lille, Institut Pasteur de Lille, U1019 – UMR 9017 - CIIL - Center for Infection and Immunity of Lille, Lille, France. | en_US |
| Subject | Mycobacterium tuberculosis | en_US |
| Subject | Induces delayed lipid droplet accumulation | en_US |
| Subject | Dendritic cells depending | en_US |
| Subject | Bacterial viability and virulence | en_US |
| Embargo date | 2025 | |
