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Leite CDS, Bonafé GA, Pires OC, dos Santos TW, Pereira GP, Pereira JA, Rocha T, Martinez CAR, Ortega MM, Ribeiro ML. Dipotassium Glycyrrhizininate Improves Skin Wound Healing by Modulating Inflammatory Process. Int J Mol Sci 2023; 24:ijms24043839. [PMID: 36835248 PMCID: PMC9965141 DOI: 10.3390/ijms24043839] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/06/2023] [Accepted: 02/09/2023] [Indexed: 02/17/2023] Open
Abstract
Wound healing is characterized by a systemic and complex process of cellular and molecular activities. Dipotassium Glycyrrhizinate (DPG), a side product derived from glycyrrhizic acid, has several biological effects, such as being antiallergic, antioxidant, antibacterial, antiviral, gastroprotective, antitumoral, and anti-inflammatory. This study aimed to evaluate the anti-inflammatory effect of topical DPG on the healing of cutaneous wounds by secondary intention in an in vivo experimental model. Twenty-four male Wistar rats were used in the experiment, and were randomly divided into six groups of four. Circular excisions were performed and topically treated for 14 days after wound induction. Macroscopic and histopathological analyses were performed. Gene expression was evaluated by real-time qPCR. Our results showed that treatment with DPG caused a decrease in the inflammatory exudate as well as an absence of active hyperemia. Increases in granulation tissue, tissue reepithelization, and total collagen were also observed. Furthermore, DPG treatment reduced the expression of pro-inflammatory cytokines (Tnf-α, Cox-2, Il-8, Irak-2, Nf-kB, and Il-1) while increasing the expression of Il-10, demonstrating anti-inflammatory effects across all three treatment periods. Based on our results, we conclude that DPG attenuates the inflammatory process by promoting skin wound healing through the modulation of distinct mechanisms and signaling pathways, including anti-inflammatory ones. This involves modulation of the expression of pro- and anti-inflammatory cytokine expression; promotion of new granulation tissue; angiogenesis; and tissue re-epithelialization, all of which contribute to tissue remodeling.
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Affiliation(s)
- Camila dos Santos Leite
- Laboratory of Immunopharmacology and Molecular Biology, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Gabriel Alves Bonafé
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Oscar César Pires
- Laboratory of Pharmacology, Taubaté University (UNITAU), Taubaté, São Paulo 12030-180, Brazil
| | - Tanila Wood dos Santos
- Laboratory of Immunopharmacology and Molecular Biology, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Geovanna Pacciulli Pereira
- Department of Surgery and Proctology, São Francisco University (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - José Aires Pereira
- Department of Surgery and Proctology, São Francisco University (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Thalita Rocha
- Postgraduate Program in Biomaterials and Regenerative Medicine, Faculty of Medical Sciences and Health, Pontifical Catholic University of São Paulo, São Paulo 05014-901, Brazil
| | - Carlos Augusto Real Martinez
- Department of Surgery and Proctology, São Francisco University (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Manoela Marques Ortega
- Laboratory of Cell and Molecular Tumor Biology and Bioactive Compounds, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
| | - Marcelo Lima Ribeiro
- Laboratory of Immunopharmacology and Molecular Biology, São Francisco University Medical School (USF), Bragança Paulista, São Paulo 12916-900, Brazil
- Correspondence:
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Chen DY, Li BZ, Xu WB, Zhang YM, Li BW, Cheng YX, Xiao Y, Lin CY, Dong WR, Shu MA. The first identification of three AdIRAK2 genes from an evolutionarily important amphibian Andrias davidianus and their involvement in NF-κB activation and inflammatory responses. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2023; 139:104585. [PMID: 36368593 DOI: 10.1016/j.dci.2022.104585] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 10/24/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
Interleukin-1 receptor associated kinases (IRAK) is the most important downstream kinases of TLRs/IL-1R signaling pathway for signal transduction and activation of inflammatory response against pathogen infections. However, the molecular identification and function characterization of IRAK2 homologs in lower vertebrate remains obscure. In this study, three IRAK2 genes (AdIRAK2a, AdIRAKb and AdIRAK2c) and their respective transcripts were identified from the Chinese giant salamander Andrias davidianus. This is the first evidence that three different IRAK2 genes exist in an ancient amphibian species, which has never been reported in other vertebrates. The complete open reading frames (ORFs) of AdIRAK2a, AdIRAK2b and AdIRAK2c were 2112 bp, 1917 bp and 816 bp encoding deduced proteins of 703 amino acids (aa), 628 aa and 271 aa, respectively. All three AdIRAK2 proteins contained two predicted conserved functional domains, including a death domain (DD) and a serine/threonine protein kinases domain (KD). Phylogenetic analysis showed that the three AdIRAK2s clustered together with other known IRAK2 of vertebrates. The three AdIRAK2s were ubiquitously expressed in all tested tissues with a similar tissues distribution pattern. After challenge of Aeromonas hydrophila (A. hydrophila), Staphylococcus aureus (S.aureus), giant salamander iridovirus (GSIV, belonging to the genus Ranavirus in the family Iridoviridae) and polyinosinic:polycytidylic acid (poly(I:C)), the expression levels of all AdIRAK2s in blood were significantly altered, however, they exhibited distinct response patterns. Moreover, the results of over-expression and RNAi of AdIRAK2s implied the involvement of AdIRAK2s in triggering NF-κB-mediated signaling pathways and inflammatory responses. This study might provide a better understanding of the presence and immune regulation function of IRAK2 in amphibians and even in vertebrates.
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Affiliation(s)
- Da-Yong Chen
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Bang-Ze Li
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Wen-Bin Xu
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yan-Mei Zhang
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Bing-Wu Li
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yuan-Xin Cheng
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Yi Xiao
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Chen-Yang Lin
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China
| | - Wei-Ren Dong
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
| | - Miao-An Shu
- College of Animal Sciences, Zhejiang University, Hangzhou, 310058, China.
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Shao S, Tsoi LC, Swindell WR, Chen J, Uppala R, Billi AC, Xing X, Zeng C, Sarkar MK, Wasikowski R, Jiang Y, Kirma J, Sun J, Plazyo O, Wang G, Harms PW, Voorhees JJ, Ward NL, Ma F, Pellegrini M, Merleev A, Perez White BE, Modlin RL, Andersen B, Maverakis E, Weidinger S, Kahlenberg JM, Gudjonsson JE. IRAK2 Has a Critical Role in Promoting Feed-Forward Amplification of Epidermal Inflammatory Responses. J Invest Dermatol 2021; 141:2436-2448. [PMID: 33864770 DOI: 10.1016/j.jid.2021.03.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Revised: 03/01/2021] [Accepted: 03/16/2021] [Indexed: 12/12/2022]
Abstract
Many inflammatory skin diseases are characterized by altered epidermal differentiation. Whether this altered differentiation promotes inflammatory responses has been unknown. Here, we show that IRAK2, a member of the signaling complex downstream of IL-1 and IL-36, correlates positively with disease severity in both atopic dermatitis and psoriasis. Inhibition of epidermal IRAK2 normalizes differentiation and inflammation in two mouse models of psoriasis- and atopic dermatitis-like inflammation. Specifically, we demonstrate that IRAK2 ties together proinflammatory and differentiation-dependent responses and show that this function of IRAK2 is specific to keratinocytes and acts through the differentiation-associated transcription factor ZNF750. Taken together, our findings suggest that IRAK2 has a critical role in promoting feed-forward amplification of inflammatory responses in skin through modulation of differentiation pathways and inflammatory responses.
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Affiliation(s)
- Shuai Shao
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China; Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Lam C Tsoi
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - William R Swindell
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Jiaoling Chen
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Ranjitha Uppala
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Allison C Billi
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Xianying Xing
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Chang Zeng
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Mrinal K Sarkar
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Rachael Wasikowski
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Yanyun Jiang
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Joseph Kirma
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Jingru Sun
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Olesya Plazyo
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Gang Wang
- Department of Dermatology, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Paul W Harms
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA; Department of Pathology, University of Michigan Medical School, Ann Arbor, Michigan, USA
| | - John J Voorhees
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA
| | - Nicole L Ward
- Departments of Nutrition and Dermatology, School of Medicine, Case Western University, Cleveland, Ohio, USA
| | - Feiyang Ma
- Department of UCLA Dermatology, UCLA Medical School, Los Angeles, California, USA
| | - Matteo Pellegrini
- Department of UCLA Dermatology, UCLA Medical School, Los Angeles, California, USA
| | - Alexander Merleev
- Department of Dermatology, University of California Davis School of Medicine, Sacramento, California, USA
| | - Bethany E Perez White
- Department of Dermatology, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Robert L Modlin
- Division of Dermatology, Department of Medicine, David Geffen School of Medicine, University of California Los Angeles, Los Angeles, California, USA
| | - Bogi Andersen
- Department of Biological Chemistry, School of Medicine, University of California, Irvine, Irvine, California, USA
| | - Emanual Maverakis
- Department of Dermatology, University of California Davis School of Medicine, Sacramento, California, USA
| | - Stephan Weidinger
- Department of Dermatology and Allergy, University Hospital Schleswig-Holstein, Kiel, Germany
| | - J Michelle Kahlenberg
- Division of Rheumatology, Department of Internal Medicine, University of Michigan, Ann Arbor, Michigan, USA
| | - Johann E Gudjonsson
- Department of Dermatology, University of Michigan, Ann Arbor, Michigan, USA.
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