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Current Medicinal Chemistry


ISSN (Print): 0929-8673
ISSN (Online): 1875-533X

Human Eosinophils - Potential Pharmacological Model Applied in Human Histamine H4 Receptor Research

Author(s): Marek Grosicki and Katarzyna Kiec-Kononowicz

Volume 22 , Issue 17 , 2015

Page: [2087 - 2099] Pages: 13

DOI: 10.2174/0929867322666150311151905

Price: $65


Histamine and histamine receptors are well known for their immunomodulatory role in inflammation. In this review we describe the role of histamine and histamine H4 receptor on human eosinophils. In the first part of article we provide short summary of histamine and histamine receptors role in physiology and histamine related therapeutics used in clinics. We briefly describe the human histamine receptor H4 and its ligands, as well as human eosinophils. In the second part of the review we provide detailed description of known histamine effects on eosinophils including: intracellular calcium concentration flux, actin polymerization, cellular shape change, upregulation of adhesion proteins and cellular chemotaxis. We provide proofs that these effects are mainly connected with the activation of histamine H4 receptor. When examining experimental data we discuss the controversial results and limitations of the studies performed on isolated eosinophils. In conclusion we believe that studies on histamine H4 receptor on human eosinophils can provide interesting new biomarkers that can be used in clinical studies of histamine receptors, that in future might result in the development of new strategies in the treatment of chronic inflammatory conditions like asthma or allergy, in which eosinophils are involved.

Keywords: Cell shape change, chemotaxis, eosinophils, histamine, histamine H4 receptor, H4 receptor ligands, immune system, inflammation.

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