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Human eosinophils p...
Human eosinophils produce the T cell-attracting chemokines MIG and IP-10 upon stimulation with IFN-{gamma}
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- Dajotoy, Terese (författare)
- Lund University,Lunds universitet,Klinisk mikrobiologi, Malmö,Forskargrupper vid Lunds universitet,Clinical Microbiology, Malmö,Lund University Research Groups
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- Andersson, Pia (författare)
- Lund University,Lunds universitet,Lungmedicin, allergologi och palliativ medicin,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Respiratory Medicine, Allergology, and Palliative Medicine,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund
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- Bjartell, Anders (författare)
- Lund University,Lunds universitet,Urologisk cancerforskning, Malmö,Forskargrupper vid Lunds universitet,Urological cancer, Malmö,Lund University Research Groups
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- Löfdahl, Claes-Göran (författare)
- Lund University,Lunds universitet,Lungmedicin, allergologi och palliativ medicin,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Respiratory Medicine, Allergology, and Palliative Medicine,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Tapper, Hans (författare)
- Lund University,Lunds universitet,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Egesten, Arne (författare)
- Lund University,Lunds universitet,Lungmedicin, allergologi och palliativ medicin,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Infektionsmedicin,Sektion III,Institutionen för kliniska vetenskaper, Lund,Respiratory Medicine, Allergology, and Palliative Medicine,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Infection Medicine (BMC),Section III,Department of Clinical Sciences, Lund
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(creator_code:org_t)
- 2004-06-14
- 2004
- Engelska.
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Ingår i: Journal of Leukocyte Biology. - : Oxford University Press (OUP). - 1938-3673 .- 0741-5400. ; 76:3, s. 685-691
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://jlb.onlineli...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Eosinophils participate in allergic inflammation, where expression of T helper cell type 2 (Th2) cytokines such as interleukin (IL)-4 and IL-5 are seen. However, eosinophils sometimes accumulate during disease with expression of Th1 cytokines [i.e., interferon-γ (IFN-γ), tumor necrosis factor α (TNF-α), and IL-1β]. In this study, we investigated whether eosinophils can respond with expression of the IFN-inducible C–X–C chemokines monokine induced by IFN-γ [MIG; CXC chemokine ligand 9 (CXCL9)], IFN-γ-inducible protein (IP-10/CXCL10), and IFN-inducible T cell α chemoattractant (I-TAC/CXCL11). These chemokines share the ability to recruit and activate T cells and natural killer cells to sites of inflammation. We found that IFN-γ induced rapid and sustained gene expression of MIG, IP-10, and I-TAC in eosinophils, as detected by quantitative reverse transcriptase-polymerase chain reaction. During incubation, IFN-γ-stimulated eosinophils released MIG and IP-10, as detected by enzyme-linked immunosorbent assay, while I-TAC could not be detected in the medium. TNF-α but not IL-1β enhanced the IFN-γ-induced production of MIG and IP-10. Conversely, addition of the Th2 cytokine IL-4 down-regulated IFN-γ-induced synthesis of MIG and IP–10 in eosinophils. Crohn's disease is characterized by a Th1-polarized inflammation and presence of eosinophils. In lesions from this disease, MIG was detected in eosinophils by immunohistochemistry. Taken together, the results point to immunoregulatory roles for eosinophils during some diseases with Th1-polarized inflammation.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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