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Interferon beta tre...
Interferon beta treatment of multiple sclerosis increases serum interleukin-7
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Lundstrom, W (författare)
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- Hermanrud, C (författare)
- Karolinska Institutet
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- Sjostrand, M (författare)
- Karolinska Institutet
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- Brauner, S (författare)
- Karolinska Institutet
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- Wahren-Herlenius, M (författare)
- Karolinska Institutet
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- Olsson, T (författare)
- Karolinska Institutet
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- Karrenbauer, V (författare)
- Karolinska Institutet
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- Hillert, J (författare)
- Karolinska Institutet
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- Fogdell-Hahn, A (författare)
- Karolinska Institutet
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(creator_code:org_t)
- 2014-05-12
- 2014
- Engelska.
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Ingår i: Multiple sclerosis (Houndmills, Basingstoke, England). - : SAGE Publications. - 1477-0970 .- 1352-4585. ; 20:13, s. 1727-1736
- Relaterad länk:
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http://kipublication...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- Interleukin-7 (IL-7) is a non-redundant cytokine for T-cell development and survival. The IL-7 signaling pathway has been genetically and functionally associated with several autoimmune diseases including multiple sclerosis (MS). Objective: The objective of this paper is to elucidate the effect of the widely used immunomodulatory MS therapy interferon beta (IFNβ) on IL-7 homeostasis. Methods: Swedish MS patients were screened for IL-7 concentration in serum and blood cell counts. IL-7 receptor alpha chain (IL-7Rα) expression was determined by semi-quantitative real-time polymerase chain reaction (PCR) and flow cytometry. Results: IFNβ treatment led to significantly increased serum IL-7 levels (mean: 17 pg/ml) compared with healthy controls (mean: 7.6 pg/ml) and natalizumab-treated patients (mean: 5.3 pg/ml). In vitro and in vivo, peripheral blood leukocytes showed decreased IL-7Rα expression and IL-7 consumption upon IFNβ exposure, suggesting that their IL-7 responsiveness is impaired during treatment. Conclusions: MS patients undergoing IFNβ treatment have increased serum IL-7 levels and decreased IL-7 consumption. Given IL-7’s important role in T-cell immunity, this relationship may be highly relevant for IFNβ’s treatment efficacy.
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- art (ämneskategori)
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