Neurochem Res. 1999 Sep;24(9):1195-202.
Immunological modulation of human cardiac mast cells.
Divisione di Immunologia Clinica e Allergologia, Università di Napoli Federico II, Italy.
Human mast cells, by elaborating various cytokines, chemokines and proinflammatory mediators play a complex role in several allergic and inflammatory disorders. Mast cells have been identified in human heart tissue in close proximity to the sarcolemma, in perivascular and adventitial locations and in the shoulder region of coronary atheroma. Human heart mast cells (HHMC) can be isolated from patients undergoing heart transplantation and can be immunologically activated in vitro to induce the release of tryptase, chymase, cysteinyl leukotriene C4 and prostaglandin D2. Several cytokines (e.g., stem cell factor and TNF-alpha) reside in secretory granules of HHMC. Mast cell density is increased in the hearts of patients with ischemic and idiopathic dilated cardiomyopathy. Cardiac mast cells might contribute to the evolution of atherosclerosis, dilated cardiomyopathy, cardiac and systemic anaphylaxis through the release of cytokines and vasoactive and proinflammatory mediators.
PMID: 10485592 [PubMed – indexed for MEDLINE]
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