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CD11c(+) Cells Are ...
CD11c(+) Cells Are Required for Antigen-Induced Increase of Mast Cells in the Lung
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- Dahlin, Joakim S (författare)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi
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- Feinstein, Ricardo (författare)
- Statens veterinärmedicinska anstalt
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- Cui, Yue (författare)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi
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- Heyman, Birgitta (författare)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi
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- Hallgren, Jenny (författare)
- Uppsala universitet,Institutionen för medicinsk biokemi och mikrobiologi
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(creator_code:org_t)
- 2012-10-15
- 2012
- Engelska.
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Ingår i: Journal of Immunology. - : The American Association of Immunologists. - 0022-1767 .- 1550-6606. ; 189:8, s. 3869-3877
- Relaterad länk:
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https://www.jimmunol...
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https://urn.kb.se/re...
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https://doi.org/10.4...
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Abstract
Ämnesord
Stäng
- Patients with allergic asthma have more lung mast cells, which likely worsens the symptoms. In experimental asthma, CD11c(+) cells have to be present during the challenge phase for several features of allergic inflammation to occur. Whether CD11c(+) cells play a role for Ag-induced increases of lung mast cells is unknown. In this study, we used diphtheria toxin treatment of sensitized CD11c-diphtheria toxin receptor transgenic mice to deplete CD11c(+) cells. We demonstrate that recruitment of mast cell progenitors to the lung is substantially reduced when CD11c(+) cells are depleted during the challenge phase. This correlated with an impaired induction of endothelial VCAM-1 and led to a significantly reduced number of mature mast cells 1 wk after challenge. Collectively, these data suggest that Ag challenge stimulates CD11c(+) cells to produce cytokines and/or chemokines required for VCAM-1 upregulation on the lung endothelium, which in turn is crucial for the Ag-induced mast cell progenitor recruitment and the increase in mast cell numbers.
Ämnesord
- NATURVETENSKAP -- Biologi -- Immunologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Immunology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Immunologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Immunology in the medical area (hsv//eng)
Nyckelord
- Immunologi
- Immunology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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