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Special Issue "Macrophage Activation, Natural Products and Inflammatory Diseases"

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Biochemistry".

Deadline for manuscript submissions: 30 December 2023 | Viewed by 566

Special Issue Editors

Department of Pathology, College of Korean Medicine, Gachon University, Seongnam-si 13120, Gyeonggi-do, Republic of Korea
Interests: inflammation; macrophage; cytokine; herbal medicine; nitric oxide; CHOP; ER stress; immunity; infection
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Jai-eun Kim
E-Mail Website
Guest Editor
College of Korean Medicine, Dongguk University, Goyang 10326, Republic of Korea
Interests: obesity; metabolic syndrome; inflammation; macrophage; natural product
Special Issues, Collections and Topics in MDPI journals
Division of Applied Medicine, School of Korean Medicine, Pusan National University, Yangsan, Gyeongnam 50612, Republic of Korea
Interests: inflammation; macrophage activation; renal fibrosis; cancer biology

Special Issue Information

Dear Colleagues,

Macrophages can be classified as M1 and M2 macrophages based on their polarization. M1 macrophages are classically activated by lipopolysaccharide and IFN-γ derived from tissue necrosis. After activation, M1 macrophages produce proinflammatory cytokines and phagocytize foreign microbes, thereby initiating an immune response. M2 macrophages, on the other hand, are alternatively activated by specific cytokines, such as IL-4, IL-10, or IL-13, decrease inflammation, and play crucial roles in wound healing, tissue repair, and tumor progression. In relation to atherosclerosis progression and regression, M1 macrophages predominate in progression and contribute to the inflammatory state, whereas M2 macrophages are enriched in many models of regression and appear to participate in inflammation resolution and plaque remodeling. Therefore, controlling the activity of macrophages can be an excellent strategy for controlling the inflammatory response provoked by infection, tissue repair, tumor progression, and atherosclerosis. Recently, there have been many reports of various natural products that can control macrophage activation. In this Special Issue, we will examine the action of natural products on macrophage activation and their potential as a treatment for inflammatory diseases or cancer progression. With this in mind, we are pleased to open this Special Issue for submissions.

Topics of interest include, but are not limited to:

  • Anti-inflammatory natural products with cytokine storm;
  • Action of natural products on acute inflammation;
  • Effect of natural products on chronic inflammatory diseases;
  • Future perspectives for anti-inflammatory natural products with macrophage activation;
  • Mechanisms of action of natural products;
  • Effect of natural products on arteriosclerosis;
  • Effect of natural products on tumor angiogenesis.

Prof. Dr. Wansu Park
Prof. Dr. Jai-eun Kim
Prof. Dr. Han-Sol Jeong
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • natural product
  • macrophage
  • macrophage activation
  • anti-inflammation
  • cytokine
  • nitric oxide
  • cytosolic calcium
  • endoplasmic reticulum stress
  • cytokine storm
  • CHOP
  • pyroptosis

Published Papers (1 paper)

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Research

Article
Citri Reticulatae Pericarpium Limits TLR-4-Triggered Inflammatory Response in Raw264.7 Macrophages by Activating RasGRP3
Int. J. Mol. Sci. 2023, 24(18), 13777; https://doi.org/10.3390/ijms241813777 - 07 Sep 2023
Viewed by 201
Abstract
Inflammation is an important immune response to pathogen invasion, but excessive inflammation leads to tissue injury and even cytokine storm. Therefore, proper response is needed depending on the intensity of the infection. Ras guanine nucleotide releasing protein 3 (RasGRP3) is a regulator of [...] Read more.
Inflammation is an important immune response to pathogen invasion, but excessive inflammation leads to tissue injury and even cytokine storm. Therefore, proper response is needed depending on the intensity of the infection. Ras guanine nucleotide releasing protein 3 (RasGRP3) is a regulator of the TLR-mediated response. In low-intensity inflammation, it negatively regulates production of pro-inflammatory cytokines, especially IL-6. Citri Reticulatae Pericarpium, the peel of Citrus reticulata Blanco, is a major medicinal herb in Korean medicine. The present study aims to investigate whether the Citri Reticulatae Pericarpium extract (CRE) has immunomodulatory activity using the Raw264.7 macrophage. Also, we investigated the effect of CRE on RasGRP3 expression. In the present study, CRE reduced IL-6 production in the low-LPS environment (1 ng/mL) and did not in the high-LPS environment (100 ng/mL). The suppression of IL-6 production in the low-LPS environment (1 ng/mL) was abolished after the pretreatment of RasGRP3 siRNA. The reduced RasGRP3 protein content by 100 ng/mL LPS treatment was increased by CRE treatment. Additionally, nobiletin, a major component of CRE showed a suppressive effect on IL-6 production in the low-LPS environment (1 ng/mL). The present results suggest that CRE alleviates inflammatory response via activating RasGRP3 expression in low-intensity inflammation. Full article
(This article belongs to the Special Issue Macrophage Activation, Natural Products and Inflammatory Diseases)
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