Journal
ANTIOXIDANTS & REDOX SIGNALING
Volume 12, Issue 10, Pages 1191-1202Publisher
MARY ANN LIEBERT, INC
DOI: 10.1089/ars.2009.2927
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Funding
- National Medical Research Council
- Biomedical Research Council
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Hydrogen sulfide (H2S) plays an important role in cardiovascular, central nervous, and gastrointestinal systems. Being the third gaseous mediator, H2S has been shown to act as a vasodilator. In recent times, more and more attention has been paid to the biological functions of H2S in inflammation. Substance P is an 11 amino acid neuropeptide that is released from nerve endings in many tissues. Subsequent to its release, substance P binds to neurokinin-1 (NK-1) receptors on the surface of effector cells and, in addition to being a mediator of pain, it plays an important role in many inflammatory states including asthma, immune-complex-mediated lung injury, experimental arthritis, and inflammatory bowel disease. Substance P has been shown to increase microvascular permeability and promote plasma extravasation. Using animalmodels of inflammation of different etiologies such as acute pancreatitis, sepsis, and burns, studies in our laboratory have recently shown an important role of the pro-inflammatory action of H2S and substance P. Antioxid. Redox Signal. 12, 1191-1202.
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