A subpopulation of nociceptive primary sensory neurons expresses six different transient receptor potential (TRP) ion channels of the vanilloid (V1, V2, V3 and V4), melastatin (M8) and ankyrin (A1) subtypes. TRPV1 mediates the tussive action of capsaicin, which is widely used in cough provocation studies. The upregulation of TRPV1 expression and function has been reported in asthma and other inflammatory conditions. TRPA1 is targeted by a series of byproducts of oxidative and nitrative stress, including acrolein, 4-hydroxy-2-nonenal and hydrogen peroxide. Proinflammatory neuropeptides are released from nociceptive nerve terminals after TRPV1/TRPA1 stimulation, thereby causing airway neurogenic inflammation. In addition, the early inflammatory response to cigarette smoke is mediated entirely by neuronal TRPA1. TRPV1 and TRPA1 antagonists may therefore represent potential antitussive and anti-inflammatory therapeutics for respiratory airway diseases.

Transient receptor potential channels as novel drug targets in respiratory diseases / Nassini R, Materazzi S, De Siena G, De Cesaris F, Geppetti P.. - In: CURRENT OPINION IN INVESTIGATIONAL DRUGS. - ISSN 2040-3429. - ELETTRONICO. - 11:(2010), pp. 535-542.

Transient receptor potential channels as novel drug targets in respiratory diseases.

Nassini R;Materazzi S;De Siena G;De Cesaris F;Geppetti P.
2010

Abstract

A subpopulation of nociceptive primary sensory neurons expresses six different transient receptor potential (TRP) ion channels of the vanilloid (V1, V2, V3 and V4), melastatin (M8) and ankyrin (A1) subtypes. TRPV1 mediates the tussive action of capsaicin, which is widely used in cough provocation studies. The upregulation of TRPV1 expression and function has been reported in asthma and other inflammatory conditions. TRPA1 is targeted by a series of byproducts of oxidative and nitrative stress, including acrolein, 4-hydroxy-2-nonenal and hydrogen peroxide. Proinflammatory neuropeptides are released from nociceptive nerve terminals after TRPV1/TRPA1 stimulation, thereby causing airway neurogenic inflammation. In addition, the early inflammatory response to cigarette smoke is mediated entirely by neuronal TRPA1. TRPV1 and TRPA1 antagonists may therefore represent potential antitussive and anti-inflammatory therapeutics for respiratory airway diseases.
2010
11
535
542
Nassini R, Materazzi S, De Siena G, De Cesaris F, Geppetti P.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/394913
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