A differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection
Abstract Tuberculosis (TB), caused by Mycobacterium tuberculosis, spreads via aerosols and the first encounter with the immune system is with the pulmonary-resident immune cells. The role of epigenetic regulations in the immune cells is emerging and we have previously shown that macrophages capacity...
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Nature Portfolio
2021
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oai:doaj.org-article:14e5d8fad7694de38dad8cd6d4a4c1132021-12-02T18:51:35ZA differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection10.1038/s41598-021-98542-32045-2322https://doaj.org/article/14e5d8fad7694de38dad8cd6d4a4c1132021-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-98542-3https://doaj.org/toc/2045-2322Abstract Tuberculosis (TB), caused by Mycobacterium tuberculosis, spreads via aerosols and the first encounter with the immune system is with the pulmonary-resident immune cells. The role of epigenetic regulations in the immune cells is emerging and we have previously shown that macrophages capacity to kill M. tuberculosis is reflected in the DNA methylome. The aim of this study was to investigate epigenetic modifications in alveolar macrophages and T cells in a cohort of medical students with an increased risk of TB exposure, longitudinally. DNA methylome analysis revealed that a unique DNA methylation profile was present in healthy subjects who later developed latent TB during the study. The profile was reflected in a different overall DNA methylation distribution as well as a distinct set of differentially methylated genes (DMGs). The DMGs were over-represented in pathways related to metabolic reprogramming of macrophages and T cell migration and IFN-γ production, pathways previously reported important in TB control. In conclusion, we identified a unique DNA methylation signature in individuals, with no peripheral immune response to M. tuberculosis antigen who later developed latent TB. Together the study suggests that the DNA methylation status of pulmonary immune cells can reveal who will develop latent TB infection.Lovisa KarlssonJyotirmoy DasMoa NilssonAmanda TyrénIsabelle PehrsonNina IdhShumaila SayyabJakob PauesCesar Ugarte-GilMelissa Méndez-ArandaMaria LermNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021) |
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EN |
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Medicine R Science Q |
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Medicine R Science Q Lovisa Karlsson Jyotirmoy Das Moa Nilsson Amanda Tyrén Isabelle Pehrson Nina Idh Shumaila Sayyab Jakob Paues Cesar Ugarte-Gil Melissa Méndez-Aranda Maria Lerm A differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection |
| description |
Abstract Tuberculosis (TB), caused by Mycobacterium tuberculosis, spreads via aerosols and the first encounter with the immune system is with the pulmonary-resident immune cells. The role of epigenetic regulations in the immune cells is emerging and we have previously shown that macrophages capacity to kill M. tuberculosis is reflected in the DNA methylome. The aim of this study was to investigate epigenetic modifications in alveolar macrophages and T cells in a cohort of medical students with an increased risk of TB exposure, longitudinally. DNA methylome analysis revealed that a unique DNA methylation profile was present in healthy subjects who later developed latent TB during the study. The profile was reflected in a different overall DNA methylation distribution as well as a distinct set of differentially methylated genes (DMGs). The DMGs were over-represented in pathways related to metabolic reprogramming of macrophages and T cell migration and IFN-γ production, pathways previously reported important in TB control. In conclusion, we identified a unique DNA methylation signature in individuals, with no peripheral immune response to M. tuberculosis antigen who later developed latent TB. Together the study suggests that the DNA methylation status of pulmonary immune cells can reveal who will develop latent TB infection. |
| format |
article |
| author |
Lovisa Karlsson Jyotirmoy Das Moa Nilsson Amanda Tyrén Isabelle Pehrson Nina Idh Shumaila Sayyab Jakob Paues Cesar Ugarte-Gil Melissa Méndez-Aranda Maria Lerm |
| author_facet |
Lovisa Karlsson Jyotirmoy Das Moa Nilsson Amanda Tyrén Isabelle Pehrson Nina Idh Shumaila Sayyab Jakob Paues Cesar Ugarte-Gil Melissa Méndez-Aranda Maria Lerm |
| author_sort |
Lovisa Karlsson |
| title |
A differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection |
| title_short |
A differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection |
| title_full |
A differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection |
| title_fullStr |
A differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection |
| title_full_unstemmed |
A differential DNA methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection |
| title_sort |
differential dna methylome signature of pulmonary immune cells from individuals converting to latent tuberculosis infection |
| publisher |
Nature Portfolio |
| publishDate |
2021 |
| url |
https://doaj.org/article/14e5d8fad7694de38dad8cd6d4a4c113 |
| work_keys_str_mv |
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