2002
DOI: 10.4049/jimmunol.168.10.5297
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Mast Cell-Derived TNF-α Primes Sensory Nerve Endings in a Pulmonary Hypersensitivity Reaction

Abstract: TNF-α is a cytokine associated with inflammatory diseases, including asthma. Increased levels of TNF-α were found in the bronchoalveolar lavage fluid of mice undergoing a dinitrofluorobenzene (DNFB)-induced non-IgE-mediated pulmonary hypersensitivity reaction. We report in this work that TNF-α increases the susceptibility of sensory neurons to dinitrobenzene sulfonic acid (DNS) and capsaicin, leading to a tracheal vascular hyperpermeability response in DNFB-sensitized and DNS-challenged mice. mAb against TNF-α… Show more

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Cited by 63 publications
(30 citation statements)
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“…Expression of TNF receptor subtypes occurs on cultured neonatal DRG cells (31,32), and TNF␣ can influence neuropathic pain via a p38 MAPKdependent mechanism (33). Furthermore, TNF␣ and TNF receptor 1 are suggested to play a prominent role in priming sensory nerve endings in mouse peripheral airways, leading to potentiation of a sensory nervemediated tracheal hyperpermeability response (34). The finding that TNF␣-induced knee swelling is greater in WT mice compared with TRPV1 Ϫ/Ϫ mice is consistent with the concept that TNF␣ can prime TRPV1 sensory nerve-mediated swelling in the knee joint, via as-yetuncharacterized mechanisms.…”
Section: Discussionmentioning
confidence: 99%
“…Expression of TNF receptor subtypes occurs on cultured neonatal DRG cells (31,32), and TNF␣ can influence neuropathic pain via a p38 MAPKdependent mechanism (33). Furthermore, TNF␣ and TNF receptor 1 are suggested to play a prominent role in priming sensory nerve endings in mouse peripheral airways, leading to potentiation of a sensory nervemediated tracheal hyperpermeability response (34). The finding that TNF␣-induced knee swelling is greater in WT mice compared with TRPV1 Ϫ/Ϫ mice is consistent with the concept that TNF␣ can prime TRPV1 sensory nerve-mediated swelling in the knee joint, via as-yetuncharacterized mechanisms.…”
Section: Discussionmentioning
confidence: 99%
“…19 and A.D.K., M.K., and F.A.R., unpublished results). Mast cells also have been implicated in regulating the non-IgE immune response involved in skin and lung tissue inflammation (11,(25)(26)(27)(28). Specifically, these cells seemingly are involved in asthma pathogenesis (3)(4)(5), as evidenced by their increased number in the lungs of patients with nonatopic as well as atopic disease (6, 7).…”
Section: Discussionmentioning
confidence: 99%
“…The fact that there is a close association between mast cells and peripheral nerves may help explain why allergic inflammation in particular is so adept at evoking such neuronal responses (1,2). It is rather well established that allergen-induced activation of tissue mast cells is associated with alterations in the phenotype or physiology of nearby primary afferent (sensory) nerves (3)(4)(5)(6)(7)(8)(9)(10). Some effect of mast cell activation on these nerves can be explained by defined mast cell mediators such as histamine, cys-leukotrienes, PGD2, and tryptase (3,4,10,11).…”
mentioning
confidence: 99%