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Journal of Clinical Immunology

Erschienen in:

01.05.2009

Expression and Functional Analysis of Toll-Like Receptors of Peripheral Blood Cells in Asthmatic Patients: Implication for Immunopathological Mechanism in Asthma

verfasst von: Samantha W. M. Lun, C. K. Wong, Fanny W. S. Ko, David S. C. Hui, Christopher W. K. Lam

Erschienen in: Journal of Clinical Immunology | Ausgabe 3/2009

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Abstract

Background

We investigated the expression profile of toll-like receptors (TLRs) and TLR ligand-activated production profile of asthma-related inflammatory cytokines in asthmatic patients. The expression of TLR1–8 on monocytes, CD4+ T helper lymphocytes, CD8+ T cytotoxic lymphocytes, CD19+ B lymphocytes, and dendritic cells, and ex vivo production of cytokines from peripheral blood mononuclear cells activated by TLR ligands were measured by flow cytometry.

Discussion

Ex vivo productions of TNF-α, IL-10, and IL-1β by TLR4 and TLR5 ligand LPS and flagellin were significantly lower in asthmatic patients (all P < 0.05). Expression of TLR4 and TLR5 was also found to be significantly lower in asthmatic patients when compared to that of control subjects (all P < 0.05). Therefore, the decreased activation of TLR4 and TLR5 in asthmatic patients might contribute to the immunopathological mechanisms of asthma by reducing the release of Th1 and anti-inflammatory cytokines.

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Titel: Expression and Functional Analysis of Toll-Like Receptors of Peripheral Blood Cells in Asthmatic Patients: Implication for Immunopathological Mechanism in Asthma
verfasst von: Samantha W. M. Lun
C. K. Wong
Fanny W. S. Ko
David S. C. Hui
Christopher W. K. Lam
Publikationsdatum: 01.05.2009
Verlag: Springer US
Erschienen in: Journal of Clinical Immunology / Ausgabe 3/2009
Print ISSN: 0271-9142
Elektronische ISSN: 1573-2592
DOI: https://doi.org/10.1007/s10875-008-9269-1

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Expression and Functional Analysis of Toll-Like Receptors of Peripheral Blood Cells in Asthmatic Patients: Implication for Immunopathological Mechanism in Asthma

Abstract

Background

Discussion

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Parodontalbehandlung verbessert Prognose bei Katheterablation

Antihypertensiva schützen auch alte Menschen noch vor Demenz

Stereotaktische Radiatio schlägt konventionelle Bestrahlung

Denken Sie bei starker Blutung auch an die Hemmkörper-Hämophilie

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Live-Webinar: Aktuelle Leitlinien bei Herz-Kreislauf-Erkrankungen

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Abstract

Background

Discussion

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