Expression of Histidine Decarboxylase and Its Roles in Inflammation

Histamine is a well-known mediator of inflammation that is released from mast cells and basophils. To date, many studies using histamine receptor antagonists have shown that histamine acts through four types of receptors: H1, H2, H3, and H4. Thus, histamine plays more roles in various diseases than...

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Main Author: Noriyasu Hirasawa
Format: Article
Language:English
Published: MDPI AG 2019-01-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:http://www.mdpi.com/1422-0067/20/2/376
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author Noriyasu Hirasawa
author_facet Noriyasu Hirasawa
author_sort Noriyasu Hirasawa
collection DOAJ
description Histamine is a well-known mediator of inflammation that is released from mast cells and basophils. To date, many studies using histamine receptor antagonists have shown that histamine acts through four types of receptors: H1, H2, H3, and H4. Thus, histamine plays more roles in various diseases than had been predicted. However, our knowledge about histamine-producing cells and the molecular mechanisms underlying histamine production at inflammatory sites is still incomplete. The histamine producing enzyme, histidine decarboxylase (HDC), is commonly induced at inflammatory sites during the late and chronic phases of both allergic and non-allergic inflammation. Thus, histamine levels in tissues are maintained at effective concentrations for hours, enabling the regulation of various functions through the production of cytokines/chemokines/growth factors. Understanding the regulation of histamine production will allow the development of a new strategy of using histamine antagonists to treat inflammatory diseases.
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spelling doaj.art-eb3a222fd26d4e288ad8d7433febbdf12022-12-22T02:45:13ZengMDPI AGInternational Journal of Molecular Sciences1422-00672019-01-0120237610.3390/ijms20020376ijms20020376Expression of Histidine Decarboxylase and Its Roles in InflammationNoriyasu Hirasawa0Graduate School of Pharmaceutical Sciences, Tohoku University, 6-3 Aoba Aramaki, Aoba-ku, Sendai 980-8578, JapanHistamine is a well-known mediator of inflammation that is released from mast cells and basophils. To date, many studies using histamine receptor antagonists have shown that histamine acts through four types of receptors: H1, H2, H3, and H4. Thus, histamine plays more roles in various diseases than had been predicted. However, our knowledge about histamine-producing cells and the molecular mechanisms underlying histamine production at inflammatory sites is still incomplete. The histamine producing enzyme, histidine decarboxylase (HDC), is commonly induced at inflammatory sites during the late and chronic phases of both allergic and non-allergic inflammation. Thus, histamine levels in tissues are maintained at effective concentrations for hours, enabling the regulation of various functions through the production of cytokines/chemokines/growth factors. Understanding the regulation of histamine production will allow the development of a new strategy of using histamine antagonists to treat inflammatory diseases.http://www.mdpi.com/1422-0067/20/2/376histidine decarboxylaseinduced histamineinflammation
spellingShingle Noriyasu Hirasawa
Expression of Histidine Decarboxylase and Its Roles in Inflammation
International Journal of Molecular Sciences
histidine decarboxylase
induced histamine
inflammation
title Expression of Histidine Decarboxylase and Its Roles in Inflammation
title_full Expression of Histidine Decarboxylase and Its Roles in Inflammation
title_fullStr Expression of Histidine Decarboxylase and Its Roles in Inflammation
title_full_unstemmed Expression of Histidine Decarboxylase and Its Roles in Inflammation
title_short Expression of Histidine Decarboxylase and Its Roles in Inflammation
title_sort expression of histidine decarboxylase and its roles in inflammation
topic histidine decarboxylase
induced histamine
inflammation
url http://www.mdpi.com/1422-0067/20/2/376
work_keys_str_mv AT noriyasuhirasawa expressionofhistidinedecarboxylaseanditsrolesininflammation