Journal
AMERICAN JOURNAL OF TRANSPLANTATION
Volume 15, Issue 3, Pages 594-600Publisher
WILEY
DOI: 10.1111/ajt.13126
Keywords
basic (laboratory) research; science; immunobiology; lung transplantation; pulmonology; lung (allograft) function; dysfunction; innate immunity
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Mast cells (MCs) were primarily recognized as effector cells of allergy. These cells are acting predominantly at the interface between the host and the external environment, such as skin, gastrointestinal and the respiratory tract. Only recently, MCs have gained increased recognition as cells of functional plasticity with immune-regulatory properties that influence both the innate and the adaptive immune response in inflammatory disorders, cancer and transplantation. Through the secretion of both proinflammatory and antiinflammatory mediators, MCs can either ameliorate or deteriorate the course and outcome in lung transplantation. Recent research from other models recognized the immune-protective activity of MCs including its role as an important source of IL-10 and TGF- for the modulation of alloreactive T cell responses or assistance in Treg activity. This paper summarizes the current understanding of MCs in lung transplantation and discusses MC-mediated immune-mechanisms by which the outcome of the engrafted organ is modulated. The author defines the role of mast cells in lung transplantation and proposes mechanisms by which mast cells adapt to the immunological environment with the potential to improve transplant outcome.
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