ArticleBMC immunology2011
Efficient activation of T cells by human monocyte-derived dendritic cells (HMDCs) pulsed with Coxiella burnetii outer membrane protein Com1 but not by HspB-pulsed HMDCs.
Article in BMC immunology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 18 citations in OpenAlex.
- TGF-β/IFN-γ Antagonism in Subversion and Self-Defense of Phase II Coxiella burnetiiInfection and immunity · 2023Trial
- Analysis of Different College Music Education Management Modes Using Big Data Platform and Grey Theoretical Model.Journal of environmental and public health · 2022Article
- The Many Faces of CD4International journal of molecular sciences · 2020Review
- Evaluation of the Diagnostic Potential of RecombinantMicroorganisms · 2020Article
- Triggered Immune Response Induced by Antigenic Epitopes Covalently Linked with Immunoadjuvant-Pulsed Dendritic Cells as a Promising Cancer Vaccine.Journal of immunology research · 2020Article
- Chlamydia muridarum infection associated host MicroRNAs in the murine genital tract and contribution to generation of host immune response.American journal of reproductive immunology (New York, N.Y. : 1989) · 2015Article
- Vaccination against Q fever for biodefense and public health indications.Frontiers in microbiology · 2014Article
- The effect of C. burnetii infection on the cytokine response of PBMCs from pregnant goats.PloS one · 2014Article
- Q fever in pregnant goats: humoral and cellular immune responses.Veterinary research · 2013Article
Corrections and comments
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundCoxiella burnetii is an obligate intracellular bacterium and the etiologic agent of Q fever; both coxiella outer membrane protein 1 (Com1) and heat shock protein B (HspB) are its major immunodominant antigens. It is not clear whether Com1 and HspB have the ability to mount immune responses against C. burnetii infection.
resultsThe recombinant proteins Com1 and HspB were applied to pulse human monocyte-derived dendritic cells (HMDCs), and the pulsed HMDCs were used to stimulate isogenic T cells. Com1-pulsed HMDCs expressed substantially higher levels of surface molecules (CD83, CD40, CD80, CD86, CD54, and CD58) and a higher level of interleukin-12 than HspB-pulsed HMDCs. Moreover, Com1-pulsed HMDCs induced high-level proliferation and activation of CD4(+) and CD8(+) cells, which expressed high levels of T-cell activation marker CD69 and inflammatory cytokines IFN-γ and TNF-α. In contrast, HspB-pulsed HMDCs were unable to induce efficient T-cell proliferation and activation.
conclusionsOur results demonstrate that Com1-pulsed HMDCs are able to induce efficient T-cell proliferation and drive T cells toward Th1 and Tc1 polarization; however, HspB-pulsed HMDCs are unable to do so. Unlike HspB, Com1 is a protective antigen, which was demonstrated by the adoptive transfer of Com1-pulsed bone marrow dendritic cells into naive BALB/c mice.
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