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Direct crosstalk between mast cell-TNF and TNFR1-expressing endothelia mediates local tissue inflammation.
Blood 114, 1696-1706 (2009)
Signaling through tumor necrosis factor receptor 1 (TNFR1) controls bacterial infections and the induction of inflammatory Th1 cell-mediated autoimmune diseases. By dissecting Th1 cell-mediated delayed-type hypersensitivity responses (DTHRs) into single steps, we localized a central defect to the missing TNFR1 expression by endothelial cells (Ecs). Adoptive transfer and mast cell knockin experiments into Kit(W)/Kit(W-v), TNF-/-, and TNFR1(-/-) mice showed that the signaling defect exclusively affects mast cell-EC interactions but not T cells or antigen-presenting cells. As a consequence, TNFR1(-/-) mice had strongly reduced mRNA and protein expression of P-selectin, E-selectin, ICAM-1, and VCAM-1 during DTHR elicitation. In consequence, intravital fluorescence microscopy revealed up to 80% reduction of leukocyte rolling and firm adhesion in TNFR1(-/-) mice. As substitution of TNF-/- mice with TNF-producing mast cells fully restored DTHR in these mice, signaling of mast cell-derived TNF through TNFR1-expressing Ecs is essential for the recruitment of leukocytes into sites of inflammation.
Impact Factor
Scopus SNIP
Web of Science
Times Cited
Times Cited
Scopus
Cited By
Cited By
Altmetric
10.432
3.040
28
37
Anmerkungen
Besondere Publikation
Auf Hompepage verbergern
Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Schlagwörter
tumor-necrosis-factor; contact hypersensitivity response; intercellular-adhesion molecule-1; versus-host-disease; factor-receptor; t-cells; p-selectin; mice deficient; ultraviolet-b; factor-alpha
Sprache
englisch
Veröffentlichungsjahr
2009
HGF-Berichtsjahr
0
ISSN (print) / ISBN
0006-4971
e-ISSN
1528-0020
Zeitschrift
Blood
Quellenangaben
Band: 114,
Heft: 8,
Seiten: 1696-1706
Verlag
American Society of Hematology
Verlagsort
Washington
Begutachtungsstatus
Peer reviewed
Institut(e)
Institute of Clinical Molecular Biology and Tumor Genetics (K.MOLBI)
Institute of Lung Health and Immunity (LHI)
Institute of Lung Health and Immunity (LHI)
POF Topic(s)
30504 - Mechanisms of Genetic and Environmental Influences on Health and Disease
30202 - Environmental Health
30202 - Environmental Health
Forschungsfeld(er)
Immune Response and Infection
Lung Research
Lung Research
PSP-Element(e)
G-501400-005
G-505000-001
G-505000-001
PubMed ID
19546478
Scopus ID
70349566472
Erfassungsdatum
2009-12-31