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Carboxypeptidase A3 in the structure of the protease phenotype of mast cells: cytophysiological aspects

Journal: RUDN Journal of Medicine (Vol.26, No. 1)

Publication Date:

Authors : ; ; ; ; ; ;

Page : 9-32

Keywords : carboxypeptidase A3; mast cells; secretome; granules; secretory pathways; specific tissue microenvironment;

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Abstract

Carboxypeptidase A3 (CPA3) is a specific protease of mast cells (MC) with variable expression and appears to be one of the preformed components of the secretome. CPA3 is involved in regulation of the state of a specifi tissue microenvironment and components of the integrative-buffer metabolic environment in adaptive and pathological processes; it affects implementation of the innate immunity, mechanisms of angiogenesis, processes of the extracellular matrix remodeling, etc. CPA3 identification using protocols of multiplex immunohistochemistry allows specifying details of the organ-specific mast cell population features, including the protease phenotype, mechanisms of biogenesis with cyto- and histotopographic criteria, and features of secretory pathways. Numerous biological effects of CPA3, including participation in the regulation of the pulmonary parenchyma and systemic blood flow, in biogenesis and remodeling of the fibrous component of the extracellular matrix, in epigenetic reprogramming, determine the importance of fundamental investigation of the biological activity and regulation of pathological processes of CPA3. Further studies will contribute to the detection of the true value of the mast cell CPA3 expression features as a prognostic factor and a promising molecular target for treatment of socially significant diseases.

Last modified: 2022-03-03 22:00:02