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Zhang Y, Chen Z, Guo J, Wan Q, Zhang Y, Li H, Rao H, Yang J, Xu P, Chen H, Wang M. Factor XII and prekallikrein promote microvascular inflammation and psoriasis in mice. Br J Pharmacol 2024; 181:3760-3778. [PMID: 38872396 DOI: 10.1111/bph.16428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 02/21/2024] [Accepted: 03/18/2024] [Indexed: 06/15/2024] Open
Abstract
BACKGROUND AND PURPOSE Psoriasis is an autoimmune inflammatory skin disease, featuring microvascular abnormalities and elevated levels of bradykinin. Contact activation of Factor XII can initiate the plasma kallikrein-kinin cascade, producing inflammation and angioedema. The role of Factor XII in psoriasis is unknown. EXPERIMENTAL APPROACH The effects of deficiency of Factor XII or its enzymatic substrate, prekallikrein, were examined in the imiquimod-induced mouse model of psoriasis. Skin microcirculation was assessed using intravital confocal microscopy and laser Doppler flowmeter. A novel antibody blocking Factor XII activation was evaluated for psoriasis prevention. KEY RESULTS Expression of Factor XII was markedly up-regulated in human and mouse psoriatic skin. Genetic deletion of Factor XII or prekallikrein, attenuated imiquimod-induced psoriatic lesions in mice. Psoriatic induction increased skin microvascular blood perfusion, causing vasodilation, hyperpermeability and angiogenesis. It also promoted neutrophil-vascular interaction, inflammatory cytokine release and enhanced Factor XII / prekallikrein enzymatic activity with elevated bradykinin. Factor XII or prekallikrein deficiency ameliorated these microvascular abnormalities and abolished bradykinin increase. Antagonism of bradykinin B2 receptors reproduced the microvascular protection of Factor XII / prekallikrein deficiency, attenuated psoriatic lesions, and prevented protection by Factor XII / prekallikrein deficiency against psoriasis. Furthermore, treatment of mice with Factor XII antibody alleviated experimentally induced psoriasis and suppressed microvascular inflammation. CONCLUSION AND IMPLICATIONS Activation of Factor XII promoted psoriasis via prekallikrein-dependent formation of bradykinin, which critically mediated psoriatic microvascular inflammation. Inhibition of contact activation represents a novel therapeutic strategy for psoriasis.
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Affiliation(s)
- Yurong Zhang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Zengrong Chen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Junyan Guo
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- College of Life Science, Zhejiang Normal University, Jinhua City, China
| | - Qing Wan
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Yingjie Zhang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Huihui Li
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Haojie Rao
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Jianfeng Yang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Pengfei Xu
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Hong Chen
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Miao Wang
- State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- Clinical Pharmacology Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
- National Health Commission Key Laboratory of Cardiovascular Regenerative Medicine, Central China Subcenter of National Center for Cardiovascular Diseases, Henan Cardiovascular Disease Center, Fuwai Central-China Cardiovascular Hospital, Central China Fuwai Hospital of Zhengzhou University, Zhengzhou, China
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Tiligada E, Stefanaki C, Ennis M, Neumann D. Opportunities and challenges in the therapeutic exploitation of histamine and histamine receptor pharmacology in inflammation-driven disorders. Pharmacol Ther 2024; 263:108722. [PMID: 39306197 DOI: 10.1016/j.pharmthera.2024.108722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 07/31/2024] [Accepted: 09/13/2024] [Indexed: 09/26/2024]
Abstract
Inflammation-driven diseases encompass a wide array of pathological conditions characterised by immune system dysregulation leading to tissue damage and dysfunction. Among the myriad of mediators involved in the regulation of inflammation, histamine has emerged as a key modulatory player. Histamine elicits its actions through four rhodopsin-like G-protein-coupled receptors (GPCRs), named chronologically in order of discovery as histamine H1, H2, H3 and H4 receptors (H1-4R). The relatively low affinity H1R and H2R play pivotal roles in mediating allergic inflammation and gastric acid secretion, respectively, whereas the high affinity H3R and H4R are primarily linked to neurotransmission and immunomodulation, respectively. Importantly, however, besides the H4R, both H1R and H2R are also crucial in driving immune responses, the H2R tending to promote yet ill-defined and unexploited suppressive, protective and/or resolving processes. The modulatory action of histamine via its receptors on inflammatory cells is described in detail. The potential therapeutic value of the most recently discovered H4R in inflammatory disorders is illustrated via a selection of preclinical models. The clinical trials with antagonists of this receptor are discussed and possible reasons for their lack of success described.
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Affiliation(s)
- Ekaterini Tiligada
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece.
| | - Charikleia Stefanaki
- Department of Pharmacology, Medical School, National and Kapodistrian University of Athens, Athens, Greece; University Research Institute of Maternal and Child Health and Precision Medicine, "Aghia Sophia" Children's Hospital, Athens, Greece
| | - Madeleine Ennis
- The Wellcome-Wolfson Institute for Experimental Medicine, School of Medicine, Dentistry and Biomedical Sciences, Queens University Belfast, Belfast, UK
| | - Detlef Neumann
- Institute of Pharmacology, Hannover Medical School, Hannover, Germany
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Song JY, Lee YJ, Lee SH, Lee JY. Enoximone alleviates atopic dermatitis-like skin inflammation via inhibition of type 2 T helper cell development. Int Immunopharmacol 2024; 142:113189. [PMID: 39293315 DOI: 10.1016/j.intimp.2024.113189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2024] [Revised: 09/06/2024] [Accepted: 09/13/2024] [Indexed: 09/20/2024]
Abstract
Atopic dermatitis (AD) is an inflammatory skin disease that affects approximately 15-20 % of the children and 1-3 % of the adults worldwide. Corticosteroids and calcineurin inhibitors are used in AD therapy; however, they cause various side effects. Current studies focus on novel therapeutic targets such as phosphodiesterases (PDEs) to mitigate AD. However, the relationship between PDE3 inhibitors and AD has not yet been reported. This study aimed to investigate the therapeutic effects and pharmaceutical mechanisms of enoximone (Enox), a PDE3 inhibitor. Mice were stimulated with 2,4-dinitrochlorobenzene (DNCB) to induce AD-like skin inflammation and were topically treated with Enox for 2 weeks. Treatment with Enox reduced the dermatitis score, skin water loss, IgE production, and expression of cytokines and chemokines that were elevated by DNCB. Histologically, Enox treatment reduced the skin thickness and the infiltration of various inflammatory cells, including macrophages, mast cells, eosinophils, and type 2 T helper (Th2) cells. HuT78, a human T cell line, was used to investigate the differentiation of T cells into Th2 cells. Enox treatment decreased the expression of Th2 cytokines and GATA3, a Th2 cell marker in HuT78, and suppressed signaling pathways that play a crucial role in Th2 cell differentiation. Collectively, the results demonstrate that Enox alleviates AD-like skin inflammation by inhibiting T-cell development. Thus, Enox may be a therapeutic candidate for the treatment of AD.
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Affiliation(s)
- Jin Yong Song
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Yeon Jin Lee
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Su Hyun Lee
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea
| | - Ji-Yun Lee
- College of Pharmacy, Chung-Ang University, Seoul 06974, Republic of Korea.
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Tsakem B, Li G, Teponno RB. Structures, biosynthesis and biological activities of benastatins, anthrabenzoxocinones and fredericamycins. Bioorg Chem 2024; 150:107572. [PMID: 38901281 DOI: 10.1016/j.bioorg.2024.107572] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2024] [Revised: 06/16/2024] [Accepted: 06/17/2024] [Indexed: 06/22/2024]
Abstract
The fast spread of antibiotic resistance results in the requirement for a constant introduction of new candidates. Pentangular polyphenols, a growing family of actinomycetes-derived aromatic type II polyketides, have attracted considerable attention due to their intriguing polycyclic systems and potent antimicrobial activity. Among them, benastatins, anthrabenzoxocinones (ABXs), and fredericamycins, display unique variations in their polycyclic frameworks, yet concurrently share structural commonalities within their substitutions. The present review summarizes advances in the isolation, spectroscopic characteristics, biosynthesis, and biological activities of pentangular polyphenols benastatins (1-16), ABXs (17-39), and fredericamycins (40-42) from actinomycetes. The information presented here thus prompts researchers to further explore and discover additional congeners within these three small classes of pentangular polyphenols.
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Affiliation(s)
- Bienvenu Tsakem
- Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon
| | - Gang Li
- China-Cameroon Joint Laboratory on Bioactive Natural Products from Endophytes, Department of Natural Medicinal Chemistry and Pharmacognosy, School of Pharmacy, Qingdao University, Qingdao 266071, People's Republic of China.
| | - Rémy Bertrand Teponno
- Department of Chemistry, Faculty of Science, University of Dschang, P.O. Box 67, Dschang, Cameroon.
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Nair B, Kamath AJ, Tergaonkar V, Sethi G, Nath LR. Mast cells and the gut-liver Axis: Implications for liver disease progression and therapy. Life Sci 2024; 351:122818. [PMID: 38866220 DOI: 10.1016/j.lfs.2024.122818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/24/2024] [Accepted: 06/07/2024] [Indexed: 06/14/2024]
Abstract
The role of mast cells, traditionally recognized for their involvement in immediate hypersensitivity reactions, has garnered significant attention in liver diseases. Studies have indicated a notable increase in mast cell counts following hepatic injury, underscoring their potential contribution to liver disorder pathogenesis. Predominantly situated in connective tissue that envelops the hepatic veins, bile ducts, and arteries, mast cells are central to both initiating and perpetuating liver disorders. Additionally, they are crucial for maintaining gastrointestinal barrier function. The gut-liver axis emphasizes the complex, two-way communication between the gut microbiome and the liver. Past research has implicated gut microbiota and their metabolites in the progression of hepatic disorders. This review sheds light on how mast cells are activated in various liver conditions such as alcoholic liver disease (ALD), non-alcoholic fatty liver disease (NAFLD), viral hepatitis, hepatic fibrogenesis, and hepatocellular carcinoma. It also briefly explores the connection between the gut microbiome and mast cell activation in these hepatic conditions.
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Affiliation(s)
- Bhagyalakshmi Nair
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Ponekkara, P.O., Kochi, Kerala 682041, India; Department of Pharmacology, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Ponekkara, P.O., Kochi, Kerala 682041, India
| | - Adithya Jayaprakash Kamath
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Ponekkara, P.O., Kochi, Kerala 682041, India; Department of Pharmaceutics, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Ponekkara, P.O., Kochi, Kerala 682041, India
| | - Vinay Tergaonkar
- Laboratory of NFκB Signalling, Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology and Research (A*STAR), 61 Biopolis Drive, Proteos, 138673, Singapore
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, 117600, Singapore.
| | - Lekshmi R Nath
- Department of Pharmacognosy, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Science Campus, Ponekkara, P.O., Kochi, Kerala 682041, India.
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Trinh TA, Nguyen TL, Kim J. Lignin-Based Antioxidant Hydrogel Patch for the Management of Atopic Dermatitis by Mitigating Oxidative Stress in the Skin. ACS APPLIED MATERIALS & INTERFACES 2024; 16:33135-33148. [PMID: 38900923 DOI: 10.1021/acsami.4c05523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/22/2024]
Abstract
Atopic dermatitis (AD), a chronic skin condition characterized by itching, redness, and inflammation, is closely associated with heightened levels of endogenous reactive oxygen species (ROS) in the skin. ROS can contribute to the onset and progression of AD through oxidative stress, which leads to the release of proinflammatory cytokines, T-cell differentiation, and the exacerbation of skin symptoms. In this study, we aim to develop a therapeutic antioxidant hydrogel patch for the potential treatment of AD using lignin, a biomass waste material. Lignin contains polyphenol groups that enable it to scavenge ROS and exhibit antioxidant properties. The lignin hydrogel patches, possessing optimized mechanical properties through the control of the lignin and cross-linker ratio, demonstrated high ROS-scavenging capabilities. Furthermore, the lignin hydrogel demonstrated excellent biocompatibility with the skin, exhibiting beneficial properties in protecting human keratinocytes under high oxidative conditions. When applied to an AD mouse model, the hydrogel patch effectively reduced epidermal thickness in inflamed regions, decreased mast cell infiltration, and regulated inflammatory cytokine levels. These findings collectively suggest that lignin serves as a therapeutic hydrogel patch for managing AD by modulating oxidative stress through its ROS-scavenging ability.
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Affiliation(s)
- Thuy An Trinh
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Thanh Loc Nguyen
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Jaeyun Kim
- School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Department of Health Sciences and Technology, Samsung Advanced Institute of Health Sciences and Technology (SAIHST), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Institute of Quantum Biophysics (IQB), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Department of MetaBioHealth, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
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Ouyang Y, Yang J, Zhang J, Yan Y, Sun S, Wang J, Li X, Chen R, Zhang L. Airborne pollen exposure and risk of hospital admission for allergic rhinitis in Beijing: A time-stratified case-crossover study. Clin Transl Allergy 2024; 14:e12380. [PMID: 38956945 PMCID: PMC11220181 DOI: 10.1002/clt2.12380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 05/16/2024] [Accepted: 06/20/2024] [Indexed: 07/04/2024] Open
Abstract
BACKGROUND Airborne pollen is a crucial risk factor in allergic rhinitis (AR). The severity of AR symptoms can vary based on pollen type and concentration. This study aimed to estimate the association between exposure to different pollen types and AR risk. METHODS We obtained data from patients admitted to the Beijing Tongren Hospital for AR, and data on pollen concentration, meteorological factors, and fine particulate matter (PM2.5) from 13 districts in Beijing from 2016 to 2019. We used a time-stratified case-crossover study design and calculated odds ratios (ORs) related to the risk of AR associated with a 10 grain/1000 mm2 increase in total pollen concentrations for specific pollen types. A stratified analysis was conducted to assess whether the associations were varied by age and sex. RESULTS The OR of AR associated with a 10 grain/1000 mm2 increase in the 7-day average pollen concentration was 1.014 (95% CI: 1.014, 1.015), 1.076 (95% CI: 1.070, 1.082), 1.024 (95% CI: 1.023, 1.025), 1.042 (95% CI: 1.039, 1.045), 1.142 (95% CI: 1.137, 1.147), 1.092 (95% CI: 1.088, 1.097), 1.046 (95% CI: 1.035, 1.058), and 1.026 (95% CI: 1.024, 1.028) for total pollen, Ulmus, Cupressaceae, Populus, Fraxinus, Pinus, Betula, and Artemisia, respectively. Both tree pollen (Ulmus, Cupressaceae, Populus, Fraxinus, Betula, and Pinus) and weed pollen (Artemisia, Chenopodium, and Humulus) were correlated with an increased risk of AR. These associations remained consistent across distinct subgroups defined by both age and sex. CONCLUSION Exposure to pollen from trees and weeds might be associated with an increased risk of AR. This research provides valuable scientific support for both clinical practitioners and patients with AR regarding the hazards of pollen exposure.
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Affiliation(s)
- Yuhui Ouyang
- Department of AllergyBeijing Tongren HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
- Research Unit of Diagnosis and Treatment of Chronic Nasal DiseasesChinese Academy of Medical SciencesBeijingChina
| | - Jun Yang
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
| | - Jingxuan Zhang
- Department of AllergyBeijing Tongren HospitalCapital Medical UniversityBeijingChina
| | - Yun Yan
- Department of AllergyBeijing Tongren HospitalCapital Medical UniversityBeijingChina
| | - Shengzhi Sun
- School of Public HealthCapital Medical UniversityBeijingChina
| | - Jiajia Wang
- School of Public HealthCapital Medical UniversityBeijingChina
| | - Xiaobo Li
- School of Public HealthCapital Medical UniversityBeijingChina
| | - Rui Chen
- School of Public HealthCapital Medical UniversityBeijingChina
- Beijing Laboratory of Allergic DiseasesCapital Medical UniversityBeijingChina
| | - Luo Zhang
- Department of AllergyBeijing Tongren HospitalCapital Medical UniversityBeijingChina
- Beijing Key Laboratory of Nasal DiseasesBeijing Institute of OtolaryngologyBeijingChina
- Research Unit of Diagnosis and Treatment of Chronic Nasal DiseasesChinese Academy of Medical SciencesBeijingChina
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Davis KL, Claudio-Etienne E, Frischmeyer-Guerrerio PA. Atopic dermatitis and food allergy: More than sensitization. Mucosal Immunol 2024:S1933-0219(24)00059-X. [PMID: 38906220 DOI: 10.1016/j.mucimm.2024.06.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 06/01/2024] [Accepted: 06/13/2024] [Indexed: 06/23/2024]
Abstract
The increased risk of food allergy in infants with atopic dermatitis (AD) has long been recognized; an epidemiologic phenomenon termed "the atopic march." Current literature supports the hypothesis that food antigen exposure through the disrupted skin barrier in AD leads to food antigen-specific immunoglobulin E production and food sensitization. However, there is growing evidence that inflammation in the skin drives intestinal remodeling via circulating inflammatory signals, microbiome alterations, metabolites, and the nervous system. We explore how this skin-gut axis helps to explain the link between AD and food allergy beyond sensitization.
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Affiliation(s)
- Katelin L Davis
- Food Allergy Research Section, Laboratory of Allergic Diseases, The National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA; Comparative Biomedical Scientist Training Program, The Molecular Pathology Unit, Laboratory of Cancer Biology and Genetics, Center for Cancer Research, The National Cancer Institute, National Institutes of Health, Bethesda, MD, USA; Comparative Pathobiology Department, College of Veterinary Medicine, Purdue University, West Lafayette, IN, USA
| | - Estefania Claudio-Etienne
- Food Allergy Research Section, Laboratory of Allergic Diseases, The National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Pamela A Frischmeyer-Guerrerio
- Food Allergy Research Section, Laboratory of Allergic Diseases, The National Institute of Allergy and Infectious Diseases, National Institutes of Health, Bethesda, MD, USA.
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Tang L, Cao X, Chen S, Jiang X, Li D, Chen G. Dietary Galacto-oligosaccharides Ameliorate Atopic Dermatitis-like Skin Inflammation and Behavioral Deficits by Modulating Gut Microbiota-Brain-Skin Axis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:7954-7968. [PMID: 38536703 DOI: 10.1021/acs.jafc.4c00205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2024]
Abstract
Atopic dermatitis (AD), a chronic, highly pruritic, and inflammatory skin disorder, often coexists with psychiatric comorbidities including anxiety and depression, posing considerable challenges for treatment. The current research aims at evaluating the efficacy and potential therapeutic mechanism of galacto-oligosaccharides (GOS) on AD-like skin lesions and comorbid anxiety/depressive disorders. Macroscopical and histopathological examination showed that GOS could markedly relieve skin inflammation by decreasing the production of IgE, IL-4, IL-13, IFN-γ, and TNF-α and regulating the PPAR-γ/NF-κB signaling in DNFB-induced AD mice. Moreover, GOS significantly improved the anxiety- and depressive-like symptoms as mirrored by the behavior tests including FST, TST, OFT, and EZM through normalizing the neurotransmitter levels of 5-HT, DA, NE, and CORT in the brain. Mechanistically, by virtue of the high-throughput 16S rRNA gene sequencing and GC-MS techniques, GOS restructured the gut microbiota and specifically induced the proliferation of Lactobacillus and Alloprevotella, leading to an increase in the total content of fecal SCFAs, in particular acetate and butyrate. Pearson correlation analysis found a marked correlation among the altered gut microbiota/SCFAs, AD-associated skin manifestations, and comorbid behavioral phenotypes. Collectively, this work highlights that GOS is a promising strategy against both AD and associated depressive symptoms by modulating the gut microbiota-brain-skin axis.
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Affiliation(s)
- Liu Tang
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Xiaoqin Cao
- School of Medicine, Jianghan University, Wuhan, Hubei 430056, China
| | - Shaoze Chen
- School of Medicine, Jianghan University, Wuhan, Hubei 430056, China
| | - Xiao Jiang
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Dan Li
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
| | - Guanghui Chen
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China
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Meng Y, Liu Y, Guo J, Guo X, Han X, Zhang L, Di T, Zhao J, Wang Y, Li P. Qing-Re-Chu-shi decoction ameliorates 2,4-dinitrochlorobenzene-induced atopic dermatitis in NC/Nga mice through anti-inflammation and immunoregulatory mechanisms. JOURNAL OF ETHNOPHARMACOLOGY 2024; 323:117702. [PMID: 38176665 DOI: 10.1016/j.jep.2024.117702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/22/2023] [Accepted: 01/02/2024] [Indexed: 01/06/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Qing-Re-Chu-Shi Decoction (QRCSD), a traditional Chinese herbal formula, has been employed as a complementary and alternative therapy for inflammatory skin diseases. However, its active constituents and the mechanistic basis of its action on atopic dermatitis remain in adequately understood. AIM OF THE STUDY Atopic dermatitis (AD) is an allergic dermatitis marked by eczematous lesions and pruritus. The study aimed to elucidate the underlying effects of QRCSD on AD and to identify the components responsible for its therapeutic efficacy in a mouse model. MATERIALS AND METHODS Network pharmacology and UPLC-mass analysis were used to anticipate the pharmacological mechanisms and to identify active components of QRCSD, respectively. A DNCB-induced AD-like model was established in NC/Nga mice. QRCSD or prednisolone (as a positive control) was administered via gavage every other day from day14 to day 21. Dermatitis severity score, scratching behavior, skin barrier function, spleen index, Th1/Th2 lymphocyte ratio, and serum IgE levels were evaluated. Protein arrays, including 40 inflammatory cytokines, were performed on skin lesions, followed by confirmation experiments of Western blotting in dorsal skin lesions. RESULTS The construction of a QRCSD-AD-Network and topological analysis firstly proposed potential targets of QRCSD acting on AD. Animal experiments demonstrated that oral administration of QRCSD ameliorated AD-like lesions, reduced epidermal thickness and mast cell count, decreased serum IgE levels, augmented tight junction protein (Claudin 1, Occludin) levels, and regulated the Th1/Th2 balance in the spleen, as well as spleen index. Elevated levels of interleukin (IL)-4, IL-5, IL-6, IL-17, and Eotaxin were revealed in AD-like skin lesions by protein arrays. Western blotting confirmed that the phosphorylation levels of ERK, P38, JNK, STAT3 and P65 were downregulated, and IL-6 expression was also reduced following QRCSD treatment. CONCLUSIONS The study enhances the understanding of the anti-inflammatory and immunomodulatory effects of QRCSD, showcasing its significant protective role against atopic dermatitis. Treatment with QRCSD may be considered as a viable candidate for complementary and alternative therapy in managing atopic dermatitis.
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Affiliation(s)
- YuJiao Meng
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China; Beijing University of Chinese Medicine, Beijing, 100105, China
| | - Yu Liu
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China; Beijing University of Chinese Medicine, Beijing, 100105, China
| | - Jianning Guo
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China; Beijing University of Chinese Medicine, Beijing, 100105, China
| | - Xiaoyao Guo
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China; Beijing University of Chinese Medicine, Beijing, 100105, China
| | - Xuyang Han
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China
| | - Lu Zhang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China
| | - Tingting Di
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China
| | - Jingxia Zhao
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China
| | - Yan Wang
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China
| | - Ping Li
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing Key Laboratory of Clinic and Basic Research with Traditional Chinese Medicine on Psoriasis (BZ0375), Beijing, 100010, China; Beijing University of Chinese Medicine, Beijing, 100105, China.
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11
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Lee MK, Jeong HH, Kim MJ, Seo JS, Hwang JY, Jung WK, Moon KM, Lee I, Lee B. The Beneficial Roles of Sargassum spp. in Skin Disorders. J Med Food 2024; 27:359-368. [PMID: 38526569 DOI: 10.1089/jmf.2023.k.0160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024] Open
Abstract
As the body's largest organ, the skin is located at the internal and external environment interface, serving as a line of defense against various harmful stressors. Recently, marine-derived physiologically active ingredients have attracted considerable attention in the cosmeceutical industry due to their beneficial effects on skin health. Sargassum, a genus of brown macroalgae, has traditionally been consumed as food and medicine in several countries and is rich in bioactive compounds such as meroterpenoids, sulfated polysaccharides, fucoidan, fucoxanthin, flavonoids, and terpenoids. Sargassum spp. have various beneficial effects on skin disorders. They help with atopic dermatitis by improving skin barrier protection and reducing inflammation. Several species show potential in treating acne by inhibiting bacterial growth and reducing inflammation. Some species, such as Sargassum horneri, demonstrate antiallergic effects by modulating mast cell activity. Certain Sargassum species exhibit anticancer activity by inhibiting tumor growth and promoting apoptosis, and some species help with wound healing by promoting angiogenesis and reducing oxidative stress. Overall, Sargassum spp. demonstrate potential for treating and managing various skin conditions. Therefore, the bioactive compounds of Sargassum spp. may be natural ingredients with a wide range of functional properties for preventing and treating skin disorders. The present review focused on the various biological effects of Sargassum extracts and derived compounds on skin disorders.
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Affiliation(s)
- Min-Kyeong Lee
- Department of Food Science and Nutrition, Pukyong National University, Busan, Korea
- Biotechnology Research Division, National Institute of Fisheries Science, Busan, Republic of Korea
| | - Hyeon Hak Jeong
- Department of Smart Green Technology Engineering, Pukyong National University, Busan, Korea
| | - Myeong-Jin Kim
- Department of Food Science and Nutrition, Pukyong National University, Busan, Korea
| | - Jae Seong Seo
- Department of Smart Green Technology Engineering, Pukyong National University, Busan, Korea
| | - Ji Young Hwang
- Department of Smart Green Technology Engineering, Pukyong National University, Busan, Korea
| | - Won-Kyo Jung
- Division of Biomedical Engineering and Research Center for Marine Integrated Bionics Technology, Pukyong National University, Busan, Korea
| | - Kyoung Mi Moon
- Department of Food Science and Nutrition, Pukyong National University, Busan, Korea
| | - Incheol Lee
- Department of Ocean Engineering, Pukyong National University, Busan, Korea
| | - Bonggi Lee
- Department of Food Science and Nutrition, Pukyong National University, Busan, Korea
- Department of Smart Green Technology Engineering, Pukyong National University, Busan, Korea
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12
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Olguín JE, Corano-Arredondo E, Hernández-Gómez V, Rivera-Montoya I, Rodríguez MA, Medina-Andrade I, Arendse B, Brombacher F, Terrazas LI. A Myeloid-Specific Lack of IL-4Rα Prevents the Development of Alternatively Activated Macrophages and Enhances Immunity to Experimental Cysticercosis. Pathogens 2024; 13:169. [PMID: 38392907 PMCID: PMC10893369 DOI: 10.3390/pathogens13020169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2023] [Revised: 01/23/2024] [Accepted: 01/26/2024] [Indexed: 02/25/2024] Open
Abstract
To determine the role that the IL-4/IL13 receptor plays in the development of alternatively activated macrophages (AAM or M2) and their role in the regulation of immunity to the extraintestinal phase of the helminth parasite Taenia crassiceps, we followed the infection in a mouse strain lacking the IL-4Rα gene (IL-4Rα-/-) and in the macrophage/neutrophil-specific IL-4Rα-deficient mouse strain (LysMcreIL-4Rα-/lox or cre/LoxP). While 100% of T. crassiceps-infected IL-4Rα+/+ (WT) mice harbored large parasite loads, more than 50% of th eIL-4Rα-/- mice resolved the infection. Approximately 88% of the LysMcreIL-4Rα-/lox mice displayed a sterilizing immunity to the infection. The remaining few infected cre/LoxP mice displayed the lowest number of larvae in their peritoneal cavity. The inability of the WT mice to control the infection was associated with antigen-specific Th2-type responses with higher levels of IgG1, IL-4, IL-13, and total IgE, reduced NO production, and increased arginase activity. In contrast, IL-4Rα-/- semi-resistant mice showed a Th1/Th2 combined response. Furthermore, macrophages from the WT mice displayed higher transcripts for Arginase-1 and RELM-α, as well as increased expression of PD-L2 with robust suppressive activity over anti-CD3/CD28 stimulated T cells; all of these features are associated with the AAM or M2 macrophage phenotype. In contrast, both the IL-4Rα-/- and LysMcreIL-4Rα-/lox mice did not fully develop AAM or display suppressive activity over CD3/CD28 stimulated T cells, reducing PDL2 expression. Additionally, T-CD8+ but no T-CD4+ cells showed a suppressive phenotype with increased Tim-3 and PD1 expression in WT and IL-4Rα-/-, which were absent in T. crassiceps-infected LysMcreIL-4Rα-/lox mice. These findings demonstrate a critical role for the IL-4 signaling pathway in sustaining AAM and its suppressive activity during cysticercosis, suggesting a pivotal role for AAM in favoring susceptibility to T. crassiceps infection. Thus, the absence of these suppressor cells is one of the leading mechanisms to control experimental cysticercosis successfully.
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Affiliation(s)
- Jonadab E. Olguín
- Laboratorio Nacional en Salud: Diagnóstico Molecular y Efecto Ambiental en Enfermedades Crónico-Degenerativas, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla 54090, Estado de México, Mexico; (J.E.O.)
| | - Edmundo Corano-Arredondo
- Laboratorio Nacional en Salud: Diagnóstico Molecular y Efecto Ambiental en Enfermedades Crónico-Degenerativas, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla 54090, Estado de México, Mexico; (J.E.O.)
| | - Victoria Hernández-Gómez
- Laboratorio Nacional en Salud: Diagnóstico Molecular y Efecto Ambiental en Enfermedades Crónico-Degenerativas, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla 54090, Estado de México, Mexico; (J.E.O.)
| | - Irma Rivera-Montoya
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla 54090, Estado de México, Mexico
| | - Mario A. Rodríguez
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla 54090, Estado de México, Mexico
| | - Itzel Medina-Andrade
- Center for Infectious Medicine (CIM), Department of Medicine, Hudinge, Karolinska Institutet, 141 52 Stockholm, Sweden
| | - Berenice Arendse
- Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town 7925, South Africa
| | - Frank Brombacher
- Institute of Infectious Diseases and Molecular Medicine, University of Cape Town, Cape Town 7925, South Africa
| | - Luis I. Terrazas
- Laboratorio Nacional en Salud: Diagnóstico Molecular y Efecto Ambiental en Enfermedades Crónico-Degenerativas, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM), Tlalnepantla 54090, Estado de México, Mexico; (J.E.O.)
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, UNAM, Tlalnepantla 54090, Estado de México, Mexico
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Hassan HM, Abdeen AM, Abdelrahman IY, Abdo W, Mohammed SS, Abdeen A, Abdelkader A, Olga R, Fericean L, Ibrahim SF, Ghamry HI, Elgendy FS, Sorour SM, Eldeeb AA, Ahmed O, Rashed F, Bikheet MM. Radioprotective potential of whey protein against gamma irradiation-induced lingual damage. Front Pharmacol 2023; 14:1293230. [PMID: 38155907 PMCID: PMC10753789 DOI: 10.3389/fphar.2023.1293230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Accepted: 11/17/2023] [Indexed: 12/30/2023] Open
Abstract
Introduction: Ionizing radiation (IR) is effectively used in the treatment of oral malignancies; however, it might also significantly harm the surrounding tissues. Whey protein isolate (WP) is a protein derived from milk that exhibits a wide range of bioactivities. Therefore, the present research aimed to delineate the mitigating impact of WP against gamma irradiation-induced lingual damage. Methods: Rats were randomized into 5 groups: Control (saline, orally, 14 days), WP (WP; 0.5 g/kg b. w., orally, 14 days), IR (saline, orally, 14 days, exposed to 6 and 3 Gy on days 4 and 6, respectively), WP+IR (WP was given orally for 14 days before and after IR exposure; exposed to 6 and 3 Gy on days 4 and 6, respectively), and IR+WP (WP, orally, started 24 h after 1st IR exposure till the end of the experiment) groups. Samples were collected at two-time intervals (on the 7th and 14th days). Results and Discussion: Oxidative stress was stimulated upon IR exposure in tongue, indicated by boosted malondialdehyde (MDA) level, along with a decrease in the total antioxidant capacity (TAC) level, superoxide dismutase (SOD), and catalase (CAT) activities. Additionally, IR exposure depicted an increase of serum IgE, inflammatory cytokines, including tumor necrosis factor-α (TNF-α), interleukin (IL)-6, along with overexpression mRNA levels of nuclear factor kappa-B transcription factor/p65 (NF-κB/p65), and down-regulation of nuclear factor erythroid 2-related factor 2 (NRF2) and heme oxygenase (HO-1) mRNA levels in tongue tissue. Moreover, IR triggered alterations in lingual histological architecture. The antioxidant and anti-inflammatory properties of WP mitigated oxidative damage, inflammation, and desquamation that were brought on following IR exposure. The protective administration of WP markedly decreases IR-induced lingual harm compared to the mitigation protocol. Our findings recommend WP supplements to the diets of cancer patients undergoing IR that might aid radioprotective effects.
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Affiliation(s)
- Hanaa M. Hassan
- Department of Agricultural Chemistry, Faculty of Agriculture, Minia University, Minia, Egypt
| | - Asmaa M. Abdeen
- Department of Oral Biology, Faculty of Dentistry, Minia University, Minia, Egypt
| | - Ibrahim Y. Abdelrahman
- Department of Radiation Biology, National Centre for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Cairo, Egypt
| | - Walied Abdo
- Department of Pathology, Faculty of Veterinary Medicine, Kafrelsheikh University, Kafrelsheikh, Egypt
| | - Saher S. Mohammed
- Department of Oral Biology, Faculty of Dentistry, Minia University, Minia, Egypt
| | - Ahmed Abdeen
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Toukh, Egypt
| | - Afaf Abdelkader
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Rada Olga
- Department of Biology and Plant Protection, Faculty of Agriculture, University of Life Sciences, Timișoara, Romania
| | - Liana Fericean
- Department of Biology and Plant Protection, Faculty of Agriculture, University of Life Sciences, Timișoara, Romania
| | - Samah F. Ibrahim
- Department of Clinical Sciences, College of Medicine, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Heba I. Ghamry
- Nutrition and Food Sciences, Department of Home Economics, Faculty of Home Economics, King Khalid University, Abha, Saudi Arabia
| | - Farouk S. Elgendy
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Safwa M. Sorour
- Department of Pharmacology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Abeer A. Eldeeb
- Department of Pharmacology, Faculty of Medicine, Benha University, Benha, Egypt
| | - Osama Ahmed
- Department of Anatomy and Embryology, Faculty of Veterinary Medicine, Benha University, Toukh, Egypt
| | - Fatema Rashed
- Department of Basic Medical and Dental Science, Faculty of Dentistry, Zarqaa University, Zarqaa, Jordan
| | - Maha M. Bikheet
- Dairy Science Department, Faculty of Agriculture, Minia University, Minia, Egypt
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He H, Ji X, Cao L, Wang Z, Wang X, Li XM, Miao M. Lycopene alleviates food allergy by modulating the PI3K/AKT pathway in peanut-sensitized BALB/c mice. Immunobiology 2023; 228:152731. [PMID: 37607433 DOI: 10.1016/j.imbio.2023.152731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 07/23/2023] [Accepted: 08/10/2023] [Indexed: 08/24/2023]
Abstract
Food allergies, which lead to life-threatening acute symptoms, are considered an important public health problem. Therefore, it is essential to develop efficient preventive and treatment measures. We developed a crude peanut protein extract (PPE)-induced allergy mouse model to investigate the effects of lycopene on peanut allergy. Mice were divided into four groups: 5 mg/kg lycopene, 20 mg/kg lycopene, no treatment, and control groups. Serum inflammatory factors were detected using enzyme-linked immunosorbent assay. In addition, pathology and immunohistochemistry analyses were used to examine the small intestine of mice. We found that lycopene decreased PPE-specific immunoglobulin E (IgE) and IL-13 levels in the serum, relieved small intestine inflammation, attenuated the production of histamine and mouse mast cell protease-1, and downregulated PI3K and AKT1 expression in the small intestine tissues of mice allergic to peanuts. Our results suggest that lycopene can ameliorate allergy by attenuating the PI3K/AKT pathway and the anaphylactic reactions mediated by PPE-specific IgE.
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Affiliation(s)
- Hongjuan He
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Henan, Zhengzhou 450046, China
| | - Xiaoyan Ji
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Henan, Zhengzhou 450046, China
| | - Lihua Cao
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Henan, Zhengzhou 450046, China
| | - Zhenzhen Wang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Henan, Zhengzhou 450046, China
| | - Xiaoyu Wang
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Henan, Zhengzhou 450046, China
| | - Xiu-Min Li
- Department of Pathology, Microbiology & Immunology, New York Medical College, New York, NY 10595, United States.
| | - Mingsan Miao
- Academy of Chinese Medical Sciences, Henan University of Chinese Medicine, Henan, Zhengzhou 450046, China.
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15
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Otani Y, Yoshikawa S, Nagao K, Tanaka T, Toyooka S, Fujimura A. Connective tissue mast cells store and release noradrenaline. J Physiol Sci 2023; 73:24. [PMID: 37828465 DOI: 10.1186/s12576-023-00883-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 10/04/2023] [Indexed: 10/14/2023]
Abstract
Mast cells are present in mucosal and connective tissues throughout the body. They synthesize and release a wide variety of bioactive molecules, such as histamine, proteases, and cytokines. In this study, we found that a population of connective tissue mast cells (CTMCs) stores and releases noradrenaline, originating from sympathetic nerves. Noradrenaline-storing cells, not neuronal fibers, were predominantly identified in the connective tissues of the skin, mammary gland, gastrointestinal tract, bronchus, thymus, and pancreas in wild-type mice but were absent in mast cell-deficient W-sash c-kit mutant KitW-sh/W-sh mice. In vitro studies using bone marrow-derived mast cells revealed that extracellular noradrenaline was taken up but not synthesized. Upon ionomycin stimulation, noradrenaline was released. Electron microscopy analyses further suggested that noradrenaline is stored in and released from the secretory granules of mast cells. Finally, we found that noradrenaline-storing CTMCs express organic cation transporter 3 (Oct3), which is also known as an extraneuronal monoamine transporter, SLC22A3. Our findings indicate that mast cells may play a role in regulating noradrenaline concentration by storing and releasing it in somatic tissues.
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Affiliation(s)
- Yusuke Otani
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Soichiro Yoshikawa
- Department of Cellular Physiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Kei Nagao
- Department of Cellular Physiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan
| | - Takehiro Tanaka
- Department of Pathology and Oncology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Shinichi Toyooka
- Department of General Thoracic Surgery and Breast and Endocrinological Surgery, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan
| | - Atsushi Fujimura
- Department of Cellular Physiology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-Cho, Kita-Ku, Okayama, 700-8558, Japan.
- Neutron Therapy Research Center, Okayama University, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.
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Kong L, Domarecka E, Szczepek AJ. Histamine and Its Receptors in the Mammalian Inner Ear: A Scoping Review. Brain Sci 2023; 13:1101. [PMID: 37509031 PMCID: PMC10376984 DOI: 10.3390/brainsci13071101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/14/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Histamine is a widely distributed biogenic amine with multiple biological functions mediated by specific receptors that determine the local effects of histamine. This review aims to summarize the published findings on the expression and functional roles of histamine receptors in the inner ear and to identify potential research hotspots and gaps. METHODS A search of the electronic databases PubMed, Web of Science, and OVID EMBASE was performed using the keywords histamine, cochlea*, and inner ear. Of the 181 studies identified, 18 eligible publications were included in the full-text analysis. RESULTS All four types of histamine receptors were identified in the mammalian inner ear. The functional studies of histamine in the inner ear were mainly in vitro. Clinical evidence suggests that histamine and its receptors may play a role in Ménière's disease, but the exact mechanism is not fully understood. The effects of histamine on hearing development remain unclear. CONCLUSIONS Existing studies have successfully determined the expression of all four histamine receptors in the mammalian inner ear. However, further functional studies are needed to explore the potential of histamine receptors as targets for the treatment of hearing and balance disorders.
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Affiliation(s)
- Lingyi Kong
- Department of Otorhinolaryngology, Head and Neck Surgery, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, 10117 Berlin, Germany
| | - Ewa Domarecka
- Department of Otorhinolaryngology, Head and Neck Surgery, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, 10117 Berlin, Germany
| | - Agnieszka J Szczepek
- Department of Otorhinolaryngology, Head and Neck Surgery, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, 10117 Berlin, Germany
- Faculty of Medicine and Health Sciences, University of Zielona Gora, 65-046 Zielona Gora, Poland
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Martínez-Aguilar LM, Ibarra-Sánchez A, Guerrero-Morán DJ, Macías-Silva M, Muñoz-Bello JO, Padilla A, Lizano M, González-Espinosa C. Lysophosphatidylinositol Promotes Chemotaxis and Cytokine Synthesis in Mast Cells with Differential Participation of GPR55 and CB2 Receptors. Int J Mol Sci 2023; 24:ijms24076316. [PMID: 37047288 PMCID: PMC10094727 DOI: 10.3390/ijms24076316] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/11/2023] [Accepted: 03/17/2023] [Indexed: 03/30/2023] Open
Abstract
Mast cells (MCs) are the main participants in the control of immune reactions associated with inflammation, allergies, defense against pathogens, and tumor growth. Bioactive lipids are lipophilic compounds able to modulate MC activation. Here, we explored some of the effects of the bioactive lipid lysophosphatidylinositol (LPI) on MCs. Utilizing murine bone marrow-derived mast cells (BMMCs), we found that LPI did not cause degranulation, but slightly increased FcεRI-dependent β-hexosaminidase release. However, LPI induced strong chemotaxis together with changes in LIM kinase (LIMK) and cofilin phosphorylation. LPI also promoted modifications to actin cytoskeleton dynamics that were detected by an increase in cell size and interruptions in the continuity of the cortical actin ring. The chemotaxis and cortical actin ring changes were dependent on GPR55 receptor activation, since the specific agonist O1602 mimicked the effects of LPI and the selective antagonist ML193 prevented them. The LPI and O1602-dependent stimulation of BMMC also led to VEGF, TNF, IL-1α, and IL-1β mRNA accumulation, but, in contrast with chemotaxis-related processes, the effects on cytokine transcription were dependent on GPR55 and cannabinoid (CB) 2 receptors, since they were sensitive to ML193 and to the specific CB2 receptor antagonist AM630. Remarkably, GPR55-dependent BMMC chemotaxis was observed towards conditioned media from distinct mouse and human cancer cells. Our data suggest that LPI induces the chemotaxis of MCs and leads to cytokine production in MC in vitro with the differential participation of GPR55 and CB2 receptors. These effects could play a significant role in the recruitment of MCs to tumors and the production of MC-derived pro-angiogenic factors in the tumor microenvironment.
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Affiliation(s)
- Lizbeth Magnolia Martínez-Aguilar
- Departamento de Farmacobiología Centro de Investigación y de Estudios Avanzados (Cinvestav), Unidad Sede Sur. Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, Mexico City 14330, Mexico; (L.M.M.-A.); (A.I.-S.); (D.J.G.-M.)
| | - Alfredo Ibarra-Sánchez
- Departamento de Farmacobiología Centro de Investigación y de Estudios Avanzados (Cinvestav), Unidad Sede Sur. Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, Mexico City 14330, Mexico; (L.M.M.-A.); (A.I.-S.); (D.J.G.-M.)
| | - Daniel José Guerrero-Morán
- Departamento de Farmacobiología Centro de Investigación y de Estudios Avanzados (Cinvestav), Unidad Sede Sur. Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, Mexico City 14330, Mexico; (L.M.M.-A.); (A.I.-S.); (D.J.G.-M.)
| | - Marina Macías-Silva
- Departamento de Biología Celular y Desarrollo, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Mexico City 04510, Mexico;
| | - Jesús Omar Muñoz-Bello
- Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología, Av. San Fernando No 22, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico; (J.O.M.-B.); (M.L.)
| | - Alejandro Padilla
- Departamento de Microbiología y Parasitología, Facultad de Medicina, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universtiaria, Mexico City 04510, Mexico;
| | - Marcela Lizano
- Unidad de Investigación Biomédica en Cáncer, Instituto Nacional de Cancerología, Av. San Fernando No 22, Col. Sección XVI, Tlalpan, Mexico City 14080, Mexico; (J.O.M.-B.); (M.L.)
- Departamento de Medicina Genómica y Toxicología Ambiental, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Circuito Exterior S/N, Ciudad Universitaria, Mexico City 04510, Mexico
| | - Claudia González-Espinosa
- Departamento de Farmacobiología Centro de Investigación y de Estudios Avanzados (Cinvestav), Unidad Sede Sur. Calzada de los Tenorios No. 235, Col. Granjas Coapa, Tlalpan, Mexico City 14330, Mexico; (L.M.M.-A.); (A.I.-S.); (D.J.G.-M.)
- Centro de Investigación sobre Envejecimiento (CIE), Cinvestav, Unidad Sede Sur. Calzada de los Tenorios No. 235 Col. Granjas Coapa, Tlalpan, Mexico City 14400, Mexico
- Correspondence: ; Tel.: +52-5554-832800
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Kuwabara Y, Hirose A, Lee H, Kakinuma T, Baba A, Takara T. Effects of Highly Bioavailable Curcumin Supplementation on Common Cold Symptoms and Immune and Inflammatory Functions in Healthy Japanese Subjects: A Randomized Controlled Study. J Diet Suppl 2023; 21:71-98. [PMID: 36927282 DOI: 10.1080/19390211.2023.2185723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/18/2023]
Abstract
This study aimed to investigate the effects of 12-week consumption of highly bioavailable curcumin (150 mg/day of Theracurmin Super [TS-P1] or Theracurmin [CR-033P]) on common cold symptoms, immune function, and inflammatory markers. A randomized, double-blind, placebo-controlled study was conducted from November 2021 to May 2022 on 99 healthy Japanese adults. Using a computerized random number generator, each subject was randomly assigned to one of the following three groups: TS-P1, CR-033P, or placebo (n = 33 per group). For 12 weeks, each group consumed the four capsules that were given to them daily. The cumulative number of days for which common cold symptoms persisted was set as the primary outcome. Immunity parameters, inflammatory parameters, liver function parameters, and physical examination results were additional outcomes. A safety assessment was also performed. Ninety-four subjects completed the study, and the per protocol set included 30 subjects in the placebo group, 32 subjects in the TS-P1 group, and 33 subjects in the CR-033P group. The cumulative number of days for which common cold symptoms persisted was significantly lower in the TS-P1 and CR-033P groups than that in the placebo group. No adverse effects were observed. Consumption of highly bioavailable curcumin, TS-P1 or CR-033P (150 mg/day), for 12 weeks reduced the number of days for which common cold symptoms persisted in healthy Japanese adults.
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Xu W, Song X, Qu Q, Gong Z, Xiao W. Synergistic effects of L-theanine and epigallocatechin gallate in alleviating ovalbumin allergy by regulating intestinal immunity through inhibition of mast cell degranulation. Food Funct 2023; 14:2059-2073. [PMID: 36727615 DOI: 10.1039/d2fo03404b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Ovalbumin (OVA), a commonly consumed food protein, can cause severe allergies and intestinal immune disorders. L-Theanine (LTA) and epigallocatechin gallate (EGCG) regulate intestinal immunity. However, it is unclear whether an LTA and EGCG combined intervention can alleviate OVA allergy (OVA-A) by modulating intestinal-specific immunity, and it is unknown whether there is a synergistic effect between LTA and EGCG. Therefore, we treated BALB/c OVA-sensitized mice with LTA, EGCG, or a combination of both (LTA + EGCG) to investigate the effects of LTA and EGCG on intestinal-specific immunity regulation and underlying mechanisms. Female mice were intraperitoneally injected with OVA to establish OVA-sensitive mouse models. MLEO LTA + EGCG (20 mg kg-1 d-1 LTA + 80 mg kg-1 d-1 EGCG) and HLEO (30 mg kg-1 d-1 LTA + 120 mg kg-1 d-1 EGCG) exerted more beneficial effects on alleviating OVA-A (weight gain, allergy score, jejunum structure, mast cell [MC] degranulation, thymus and spleen indices) than LTA or EGCG alone (p < 0.01). Based on the alleviation of OVA-A by LTA + EGCG, we selected MLEO mice for 16S rDNA, flow cytometry, and western blot analyses. The 16S rDNA results showed that MLEO increased the abundance of Lactobacillaceae, Lachnospiraceae, and Ruminococcaceae, and decreased that of Helicobacteraceae (p < 0.01). The flow cytometry and western blotting results indicated that MLEO reduced the number of dendritic cells available to capture OVA, thereby lowering the Th2 immune response and decreasing the IL-4 and IL-13 levels. Meanwhile, the attenuation of the Th2 immune response inhibits the cross-linking of OVA and FcεRI, thus reducing MC degranulation and decreasing the serum HIS and mMCPT-1 levels through the FcεRI/Btk/PLCγ signaling pathway. LTA + EGCG also inhibits the Th2 immune response through the FcεRI/Lyn/Syk/PI3K/AKT signaling pathway and decreases the serum IL-4 and IL-13 levels. Notably, LTA + EGCG promotes the Treg and Th1 immune responses and inhibits the Th17 immune response, altering the levels of the corresponding cytokines. Therefore, LTA + EGCG can synergistically alleviate OVA-A by regulating intestinal immunity through MC degranulation inhibition.
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Affiliation(s)
- Wei Xu
- Key Lab of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan 410128, China. .,National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, Hunan 410128, China.,Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, China.,Hunan Agricultural University, Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, Changsha, Hunan 410128, China
| | - Xianying Song
- Key Lab of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan 410128, China. .,National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, Hunan 410128, China.,Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, China.,Hunan Agricultural University, Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, Changsha, Hunan 410128, China
| | - Qingyun Qu
- Key Lab of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan 410128, China. .,National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, Hunan 410128, China.,Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, China.,Hunan Agricultural University, Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, Changsha, Hunan 410128, China
| | - Zhihua Gong
- Key Lab of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan 410128, China. .,National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, Hunan 410128, China.,Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, China.,Hunan Agricultural University, Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, Changsha, Hunan 410128, China
| | - Wenjun Xiao
- Key Lab of Tea Science of Ministry of Education, Hunan Agricultural University, Changsha, Hunan 410128, China. .,National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients, Hunan Agricultural University, Changsha, Hunan 410128, China.,Co-Innovation Center of Education Ministry for Utilization of Botanical Functional Ingredients, China.,Hunan Agricultural University, Hunan Collaborative Innovation Center for Utilization of Botanical Functional Ingredients, Changsha, Hunan 410128, China
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20
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Daramola AK, Akinrinmade OA, Fajemisin EA, Naran K, Mthembu N, Hadebe S, Brombacher F, Huysamen AM, Fadeyi OE, Hunter R, Barth S. A recombinant Der p 1-specific allergen-toxin demonstrates superior killing of allergen-reactive IgG + hybridomas in comparison to its recombinant allergen-drug conjugate. IMMUNOTHERAPY ADVANCES 2022; 3:ltac023. [PMID: 36789295 PMCID: PMC9912260 DOI: 10.1093/immadv/ltac023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022] Open
Abstract
Introduction Current treatments for asthma help to alleviate clinical symptoms but do not cure the disease. In this study, we explored a novel therapeutic approach for the treatment of house dust mite allergen Der p 1induced asthma by aiming to eliminate specific population of B-cells involved in memory IgE response to Der p 1. Materials and Methods To achieve this aim, we developed and evaluated two different proDer p 1-based fusion proteins; an allergen-toxin (proDer p 1-ETA) and an allergen-drug conjugate (ADC) (proDer p 1-SNAP-AURIF) against Der p 1 reactive hybridomas as an in vitro model for Der p 1 reactive human B-cells. The strategy involved the use of proDer p 1 allergen as a cell-specific ligand to selectively deliver the bacterial protein toxin Pseudomonas exotoxin A (ETA) or the synthetic small molecule toxin Auristatin F (AURIF) into the cytosol of Der p 1 reactive cells for highly efficient cell killing. Results As such, we demonstrated recombinant proDer p 1 fusion proteins were selectively bound by Der p 1 reactive hybridomas as well as primary IgG1+ B-cells from HDM-sensitized mice. The therapeutic potential of proDer p 1-ETA' and proDer p 1-SNAP-AURIF was confirmed by their selective cytotoxic activities on Der p 1 reactive hybridoma cells. The allergen-toxin demonstrated superior cytotoxic activity, with IC50 values in the single digit nanomolar value, compared to the ADC. Discussions Altogether, the proof-of-concept experiments in this study provide a promising approach for the treatment of patients with house dust mite-driven allergic asthma.
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Affiliation(s)
- A K Daramola
- South African Research Chair in Cancer Biotechnology, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa,Medical Biotechnology & Immunotherapy Research Unit, Institute of Infectious Disease and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - O A Akinrinmade
- South African Research Chair in Cancer Biotechnology, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa,Medical Biotechnology & Immunotherapy Research Unit, Institute of Infectious Disease and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa,Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - E A Fajemisin
- South African Research Chair in Cancer Biotechnology, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa,Medical Biotechnology & Immunotherapy Research Unit, Institute of Infectious Disease and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - K Naran
- South African Research Chair in Cancer Biotechnology, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa,Medical Biotechnology & Immunotherapy Research Unit, Institute of Infectious Disease and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - N Mthembu
- Division of Immunology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - S Hadebe
- Division of Immunology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - F Brombacher
- Division of Immunology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa,International Centre for Genetic Engineering and Biotechnology (ICGEB) and Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology, Faculty of Health Sciences, University of Cape Town, South Africa,Wellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Diseases and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, South Africa
| | - A M Huysamen
- Department of Chemistry, Faculty of Sciences, University of Cape Town, Cape Town, South Africa
| | - O E Fadeyi
- Department of Chemistry, Faculty of Sciences, University of Cape Town, Cape Town, South Africa
| | - R Hunter
- Department of Chemistry, Faculty of Sciences, University of Cape Town, Cape Town, South Africa
| | - S Barth
- Correspondence: Stefan Barth, South African Research Chair in Cancer Biotechnology, Department of Integrative Biomedical Sciences, Faculty of Health Sciences, University of Cape Town, Barnard Fuller Building, Anzio Rd, Observatory, Cape Town, 7935 South Africa.
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21
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Shu J, Cui X, Liu X, Yu W, Zhang W, Huo X, Lu C. Licochalcone A inhibits IgE-mediated allergic reaction through PLC/ERK/STAT3 pathway. Int J Immunopathol Pharmacol 2022; 36:3946320221135462. [PMID: 36263976 PMCID: PMC9597022 DOI: 10.1177/03946320221135462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Licochalcone (LicA) is a flavonoid commonly derived from the licorice plant that is reported to have a variety of pharmacological activities. However, few studies have focused on its anti-allergic properties. IgE-mediated passive and systemic anaphylaxis mice models were used to assess the in vivo anti-allergic effect of LicA and its underlying mechanism, while degranulation, cytokines, and chemokines released from laboratory of allergic disease (LAD2) cells were used to assess its in vitro anti-allergic effect. We used western blot analysis to explore the downstream signaling pathway of its anti-allergic effect. We found that in the mouse model, LicA attenuated IgE-mediated paw inflammation, recovered the allergy-induced drop in body temperature, and reduced the concentrations of tumor necrosis factor-alpha and monocyte chemo-attractant protein-1 in mouse serum in a dose-dependent manner. LicA inhibited the allergic reaction via inhibition of IgE-mediated LAD2 cell activation through the PLC/ERK/STAT3 pathway.
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Affiliation(s)
- Jin Shu
- Department of Gynecology, Xi’an Hospital of Traditional Chinese
Medicine, Xi’an, P. R. China
| | - Xu Cui
- Department of Joint Surgery, Xi’an
Hong Hui Hospital, Xi’an Jiaotong University Health
Science Center, Xi’an, P. R. China,Shaanxi University of Traditional
Chinese Medicine, Xi’an, P. R. China
| | - Xin Liu
- Department of Joint Surgery, Xi’an
Hong Hui Hospital, Xi’an Jiaotong University Health
Science Center, Xi’an, P. R. China
| | - Wenxing Yu
- Department of Joint Surgery, Xi’an
Hong Hui Hospital, Xi’an Jiaotong University Health
Science Center, Xi’an, P. R. China
| | - Weisong Zhang
- Department of Joint Surgery, Xi’an
Hong Hui Hospital, Xi’an Jiaotong University Health
Science Center, Xi’an, P. R. China
| | - Xiaojing Huo
- Department of Joint Surgery, Xi’an
Hong Hui Hospital, Xi’an Jiaotong University Health
Science Center, Xi’an, P. R. China
| | - Chao Lu
- Department of Joint Surgery, Xi’an
Hong Hui Hospital, Xi’an Jiaotong University Health
Science Center, Xi’an, P. R. China,Chao Lu, Department of Joint Surgery, Xi’an
Hong Hui Hospital, Xi’an Jiaotong University, No. 555, Youyi East Road,
Nanshaomen, Xi’an 710054, China.
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22
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Zhang L, Zou Z, Yu S, Xiao X, Shi Y, Cao W, Liu Y, Zheng H, Zheng Q, Zhou S, Yao J, Deng Y, Yang Q, Chen S, Hao P, Li N, Li Y. Functional connectivity impairment of thalamus-cerebellum-scratching neural circuits in pruritus of chronic spontaneous urticaria. Front Neurosci 2022; 16:1026200. [PMID: 36340791 PMCID: PMC9630740 DOI: 10.3389/fnins.2022.1026200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 10/06/2022] [Indexed: 11/18/2022] Open
Abstract
Pruritus of chronic spontaneous urticaria (CSU) is one of the most common and irritating sensations that severely affects the quality of life. However, the changes in the functional connectivity (FC) between thalamic subregions and other brain regions have not been fully elucidated. This study aimed to explore the potential changes in brain neural circuits by focusing on various subregions of the thalamus in patients with CSU pruritus to contribute to the understanding of chronic pruritus from the perspective of central mechanisms. A total of 56 patients with CSU and 30 healthy controls (HCs) completed the data analysis. Urticaria Activity Score 7 (UAS7), pruritus visual analog score (VAS-P), Dermatological Life Quality Index (DLQI), and immunoglobulin E (IgE) values were collected to assess clinical symptoms. Seed-based resting-state functional connectivity (rs-FC) analysis was used to assess relevant changes in the neural circuits of the brain. Compared to HCs, seeds within the caudal temporal thalamus (cTtha) on the right side of patients with CSU showed increased rs-FC with the cerebellum anterior lobe (CAL). Seeds within the lateral prefrontal thalamus (lPFtha) on the right side showed increased rs-FC with both CAL and pons, while those within the medial prefrontal thalamus (mPFtha) on the right side showed increased rs-FC with both CAL and the dorsal lateral prefrontal cortex (dlPFC) on the right side. Seeds within the posterior parietal thalamus (PPtha) on the right side showed increased rs-FC with the cerebellum posterior lobe (CPL) on the left side. The UAS7 values and IgE levels were positively correlated with the rs-FC of the right dlPFC. Our results suggest that patients with CSU may exhibit stronger rs-FC alterations between certain thalamic subregions and other brain regions. These changes affect areas of the brain involved in sensorimotor and scratching. Trial registration number [http://www.chictr.org.cn], identifier [ChiCTR1900022994].
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Affiliation(s)
- Leixiao Zhang
- Department of Integrated Traditional and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Zihao Zou
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Siyi Yu
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Xianjun Xiao
- College of Health Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yunzhou Shi
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Wei Cao
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Ying Liu
- Chinese Medicine Hospital, Chengdu, Sichuan, China
| | - Hui Zheng
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Qianhua Zheng
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Siyuan Zhou
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Junpeng Yao
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Yanli Deng
- Sichuan Second Chinese Medicine Hospital, Chengdu, Sichuan, China
| | - Qian Yang
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Sijue Chen
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Pingsheng Hao
- Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - Ning Li
- Department of Integrated Traditional and Western Medicine, West China Hospital, Sichuan University, Chengdu, Sichuan, China
| | - Ying Li
- Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
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23
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Abstract
Mast cells originate from the CD34+/CD117+ hematopoietic progenitors in the bone marrow, migrate into circulation, and ultimately mature and reside in peripheral tissues. Microbiota/metabolites and certain immune cells (e.g., Treg cells) play a key role in maintaining immune tolerance. Cross-linking of allergen-specific IgE on mast cells activates the high-affinity membrane-bound receptor FcεRI, thereby initiating an intracellular signal cascade, leading to degranulation and release of pro-inflammatory mediators. The intracellular signal transduction is intricately regulated by various kinases, transcription factors, and cytokines. Importantly, multiple signal components in the FcεRI-mast cell–mediated allergic cascade can be targeted for therapeutic purposes. Pharmacological interventions that include therapeutic antibodies against IgE, FcεRI, and cytokines as well as inhibitors/activators of several key intracellular signaling molecues have been used to inhibit allergic reactions. Other factors that are not part of the signal pathway but can enhance an individual’s susceptibility to allergen stimulation are referred to as cofactors. Herein, we provide a mechanistic overview of the FcεRI-mast cell–mediated allergic signaling. This will broaden our scope and visions on specific preventive and therapeutic strategies for the clinical management of mast cell–associated hypersensitivity reactions.
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24
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Shi L, Liu C, Xiong H, Shi D. Elevation of IgE in patients with psoriasis: Is it a paradoxical phenomenon? Front Med (Lausanne) 2022; 9:1007892. [PMID: 36314037 PMCID: PMC9606585 DOI: 10.3389/fmed.2022.1007892] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 09/26/2022] [Indexed: 11/25/2022] Open
Abstract
Immunoglobulin E (IgE) elevation is a hallmark of allergic conditions such as atopic dermatitis (AD). The pathogenesis of AD is typically associated with high levels of IL-4 and IL-13 produced by activated T helper 2 (Th2) cells. Psoriasis, on the other hand, is an inflammatory skin disease mainly driven by Th17 cells and their related cytokines. Although the immunopathologic reactions and clinical manifestations are often easily distinguished in the two skin conditions, patients with psoriasis may sometimes exhibit AD-like manifestations, such as elevated IgE and persistent pruritic lesions. Given the fact that the effective T cells have great plasticity to re-differentiate in response to innate and environmental factors, this unusual skin condition could be a consequence of a cross-reaction between distinct arms of T-cell and humoral immunity. Here we review the literature concerning the roles of IgE in the development of AD and psoriasis, showing that elevated IgE seems to be an important indicator for this non-typical psoriasis.
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Affiliation(s)
- Leyao Shi
- The Second Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China,The Laboratory of Medical Mycology, Jining No. 1 People's Hospital, Jining, China
| | - Chen Liu
- The Laboratory of Medical Mycology, Jining No. 1 People's Hospital, Jining, China
| | - Huabao Xiong
- Basic Medical School, Institute of Immunology and Molecular Medicine, Jining Medical University, Jining, China,Huabao Xiong
| | - Dongmei Shi
- The Laboratory of Medical Mycology, Jining No. 1 People's Hospital, Jining, China,Department of Dermatology, Jining No.1 People's Hospital, Jining, China,*Correspondence: Dongmei Shi
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25
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Wang Z, Li Z, Bal G, Franke K, Zuberbier T, Babina M. β-arrestin-1 and β-arrestin-2 Restrain MRGPRX2-Triggered Degranulation and ERK1/2 Activation in Human Skin Mast Cells. FRONTIERS IN ALLERGY 2022; 3:930233. [PMID: 35910860 PMCID: PMC9337275 DOI: 10.3389/falgy.2022.930233] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/24/2022] [Indexed: 12/19/2022] Open
Abstract
As a novel receptor that efficiently elicits degranulation upon binding to one of its numerous ligands, MRGPRX2 has moved to the center of attention in mast cell (MC) research. Indeed, MRGPRX2 is believed to be a major component of pseudo-allergic reactions to drugs and of neuropeptide-elicited MC activation in skin diseases alike. MRGPRX2 signals via G proteins which organize downstream events ultimately leading to granule discharge. Skin MCs require both PI3K and ERK1/2 cascades for efficient exocytosis. β-arrestins act as opponents of G proteins and lead to signal termination with or without subsequent internalization. We recently demonstrated that ligand-induced internalization of MRGPRX2 requires the action of β-arrestin-1, but not of β-arrestin-2. Here, by using RNA interference, we find that both isoforms counter skin MC degranulation elicited by three MRGPRX2 agonists but not by FcεRI-aggregation. Analyzing whether this occurs through MRGPRX2 stabilization under β-arrestin attenuation, we find that reduction of β-arrestin-1 indeed leads to increased MRGPRX2 abundance, while this is not observed for β-arrestin-2. This led us speculate that β-arrestin-2 is involved in signal termination without cellular uptake of MRGPRX2. This was indeed found to be the case, whereby interference with β-arrestin-2 has an even stronger positive effect on ERK1/2 phosphorylation compared to β-arrestin-1 perturbation. Neither β-arrestin-1 nor β-arrestin-2 had an impact on AKT phosphorylation nor affected signaling via the canonical FcεRI-dependent route. We conclude that in skin MCs, β-arrestin-2 is chiefly involved in signal termination, whereas β-arrestin-1 exerts its effects by controlling MRGPRX2 abundance.
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Affiliation(s)
- Zhao Wang
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology and Allergology IA, Berlin, Germany.,Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany.,Department of Dermatology, The Second Affiliated Hospital, Northwest Hospital, Xi'an Jiaotong University, Xi'an, China
| | - Zhuoran Li
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology and Allergology IA, Berlin, Germany.,Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Gürkan Bal
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology and Allergology IA, Berlin, Germany.,Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Kristin Franke
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology and Allergology IA, Berlin, Germany.,Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Torsten Zuberbier
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology and Allergology IA, Berlin, Germany.,Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
| | - Magda Babina
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Immunology and Allergology IA, Berlin, Germany.,Institute for Allergology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Berlin Institute of Health, Humboldt-Universität zu Berlin, Berlin, Germany
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26
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Kamei A, Izawa K, Ando T, Kaitani A, Yamamoto R, Maehara A, Ide T, Yamada H, Kojima M, Wang H, Tokushige K, Nakano N, Shimizu T, Ogawa H, Okumura K, Kitaura J. Development of mouse model for oral allergy syndrome to identify IgE cross-reactive pollen and food allergens: ragweed pollen cross-reacts with fennel and black pepper. Front Immunol 2022; 13:945222. [PMID: 35958602 PMCID: PMC9358994 DOI: 10.3389/fimmu.2022.945222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 06/27/2022] [Indexed: 11/27/2022] Open
Abstract
Oral allergy syndrome (OAS) is an IgE-mediated immediate food allergy that is localized to the oral mucosa. Pollen food allergy syndrome (PFAS), a pollinosis-associated OAS, is caused by cross-reactivity between food and pollen allergens. However, we need to more precisely understand the underlying pathogenesis of OAS/PFAS. In the present study, we developed a method to comprehensively identify cross-reactive allergens by using murine model of OAS and protein microarray technology. We focused on lip angioedema, which is one of the most common symptoms of OAS, and confirmed that mast cells reside in the tissues inside the lower lip of the mice. Interestingly, when the food allergen ovalbumin (OVA) was injected inside the lower lip of mice with high levels of OVA-specific IgE followed by an intravenous injection of the Evans blue dye, we found immediate dye extravasation in the skin of the neck in a mast cell-dependent manner. In addition, the degree of mast cell degranulation in the oral cavity, reflecting the severity of oral allergic responses, can be estimated by measuring the amount of extravasated dye in the skin. Therefore, we used this model of OAS to examine IgE cross-reactive allergens in vivo. Protein microarray analysis showed that serum IgE from mice intraperitoneally sensitized with ragweed pollen, one of the major pollens causing pollinosis, bound highly to protein extracts from several edible plants including black peppercorn and fennel. We confirmed that the levels of black pepper-specific IgE and fennel-specific IgE were significantly higher in the serum from ragweed pollen-sensitized mice than in the serum from non-sensitized control mice. Importantly, analysis of murine model of OAS showed that the injection of black pepper or fennel extract induced apparent oral allergic responses in ragweed pollen-sensitized mice. These results indicate IgE cross-reactivity of ragweed pollen with black pepper and fennel. In conclusion, we developed mouse model of OAS to identify IgE cross-reactive pollen and food allergens, which will help understand the pathogenesis of OAS/PFAS.
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Affiliation(s)
- Anna Kamei
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Science of Allergy and Inflammation, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Kumi Izawa
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- *Correspondence: Kumi Izawa, ; Jiro Kitaura,
| | - Tomoaki Ando
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Ayako Kaitani
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Risa Yamamoto
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Akie Maehara
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Takuma Ide
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Otorhinolaryngology, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Hiromichi Yamada
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Pediatrics and Adolescent Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Mayuki Kojima
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Pediatrics and Adolescent Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Hexing Wang
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Science of Allergy and Inflammation, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Koji Tokushige
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Science of Allergy and Inflammation, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Nobuhiro Nakano
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Toshiaki Shimizu
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- Department of Pediatrics and Adolescent Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Hideoki Ogawa
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Ko Okumura
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Jiro Kitaura
- Atopy (Allergy) Research Center, Juntendo University Graduate School of Medicine, Tokyo, Japan
- *Correspondence: Kumi Izawa, ; Jiro Kitaura,
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27
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Kim DY, Won KJ, Hwang DI, Kim NY, Kim B, Lee HM. 1-Iodohexadecane Alleviates 2,4-Dinitrochlorobenzene-Induced Atopic Dermatitis in Mice: Possible Involvements of the Skin Barrier and Mast Cell SNARE Proteins. Molecules 2022; 27:1560. [PMID: 35268661 PMCID: PMC8911872 DOI: 10.3390/molecules27051560] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/24/2022] [Accepted: 02/24/2022] [Indexed: 11/27/2022] Open
Abstract
Atopic dermatitis (AD) is a chronic inflammatory dermal disease with symptoms that include inflammation, itching, and dry skin. 1-Iodohexadecane is known as a component of Chrysanthemum boreale essential oil that has an inhibitory effect on AD-like lesions. However, its effects on AD-related pathological events have not been investigated. Here, we explored the effects of 1-iodohexadecane on AD lesion-related in vitro and in vivo responses and the mechanism involved using human keratinocytes (HaCaT cells), mast cells (RBL-2H3 cells), and a 2,4-dinitrochlorobenzene (DNCB)-induced mouse model (male BALB/c) of AD. Protein analyses were performed by immunoblotting or immunohistochemistry. In RBL-2H3 cells, 1-iodohexadecane inhibited immunoglobulin E-induced releases of histamine and β-hexosaminidase and the expression of VAMP8 protein (vesicle-associated membrane proteins 8; a soluble N-ethylmaleimide-sensitive factor attachment protein receptor [SNARE] protein). In HaCaT cells, 1-iodohexadecane enhanced filaggrin and loricrin expressions; in DNCB-treated mice, it improved AD-like skin lesions, reduced epidermal thickness, mast cell infiltration, and increased filaggrin and loricrin expressions (skin barrier proteins). In addition, 1-iodohexadecane reduced the β-hexosaminidase level in the serum of DNCB-applied mice. These results suggest that 1-iodohexadecane may ameliorate AD lesion severity by disrupting SNARE protein-linked degranulation and/or by enhancing the expressions of skin barrier-related proteins, and that 1-iodohexadecane has therapeutic potential for the treatment of AD.
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Affiliation(s)
- Do Yoon Kim
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea; (D.Y.K.); (D.I.H.); (N.Y.K.)
| | - Kyung-Jong Won
- Department of Physiology and Medical Science, School of Medicine, Konkuk University, Seoul 05029, Korea; (K.-J.W.); (B.K.)
| | - Dae Il Hwang
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea; (D.Y.K.); (D.I.H.); (N.Y.K.)
| | - Nan Young Kim
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea; (D.Y.K.); (D.I.H.); (N.Y.K.)
| | - Bokyung Kim
- Department of Physiology and Medical Science, School of Medicine, Konkuk University, Seoul 05029, Korea; (K.-J.W.); (B.K.)
| | - Hwan Myung Lee
- Division of Cosmetic and Biotechnology, College of Life and Health Sciences, Hoseo University, Asan 31499, Korea; (D.Y.K.); (D.I.H.); (N.Y.K.)
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28
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Nagata Y, Suzuki R. FcεRI: A Master Regulator of Mast Cell Functions. Cells 2022; 11:cells11040622. [PMID: 35203273 PMCID: PMC8870323 DOI: 10.3390/cells11040622] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/29/2022] [Accepted: 02/09/2022] [Indexed: 02/04/2023] Open
Abstract
Mast cells (MCs) perform multiple functions thought to underlie different manifestations of allergies. Various aspects of antigens (Ags) and their interactions with immunoglobulin E (IgE) cause diverse responses in MCs. FcεRI, a high-affinity IgE receptor, deciphers the Ag–IgE interaction and drives allergic responses. FcεRI clustering is essential for signal transduction and, therefore, determines the quality of MC responses. Ag properties precisely regulate FcεRI dynamics, which consequently initiates differential outcomes by switching the intracellular-signaling pathway, suggesting that Ag properties can control MC responses, both qualitatively and quantitatively. Thus, the therapeutic benefits of FcεRI-targeting strategies have long been examined. Disrupting IgE–FcεRI interactions is a potential therapeutic strategy because the binding affinity between IgE and FcεRI is extremely high. Specifically, FcεRI desensitization, due to internalization, is also a potential therapeutic target that is involved in the mechanisms of allergen-specific immunotherapy. Several recent findings have suggested that silent internalization is strongly associated with FcεRI dynamics. A comprehensive understanding of the role of FcεRI may lead to the development of novel therapies for allergies. Here, we review the qualitatively diverse responses of MCs that impact the attenuation/development of allergies with a focus on the role of FcεRI toward Ag exposure.
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29
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Temporal Modulation of Drug Desensitization Procedures. Curr Issues Mol Biol 2022; 44:833-844. [PMID: 35723342 PMCID: PMC8929139 DOI: 10.3390/cimb44020057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 01/28/2022] [Accepted: 01/30/2022] [Indexed: 11/17/2022] Open
Abstract
Drug hypersensitivity reactions are an unavoidable clinical consequence of the presence of new therapeutic agents. These adverse reactions concern patients afflicted with infectious diseases (e.g., hypersensitivity to antibiotics), and with non-infectious chronic diseases, such as in cancers, diabetes or cystic fibrosis treatments, and may occur at the first drug administration or after repeated exposures. Here we revise recent key studies on the mechanisms underlying the desensitization protocols, and propose an additional temporal regulation layer that is based on the circadian control of the signaling pathway involved and on the modulation of the memory effects established by the desensitization procedures.
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30
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Mo F, Zhang M, Duan X, Lin C, Sun D, You T. Recent Advances in Nanozymes for Bacteria-Infected Wound Therapy. Int J Nanomedicine 2022; 17:5947-5990. [PMID: 36510620 PMCID: PMC9739148 DOI: 10.2147/ijn.s382796] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 11/05/2022] [Indexed: 12/12/2022] Open
Abstract
Bacterial-infected wounds are a serious threat to public health. Bacterial invasion can easily delay the wound healing process and even cause more serious damage. Therefore, effective new methods or drugs are needed to treat wounds. Nanozyme is an artificial enzyme that mimics the activity of a natural enzyme, and a substitute for natural enzymes by mimicking the coordination environment of the catalytic site. Due to the numerous excellent properties of nanozymes, the generation of drug-resistant bacteria can be avoided while treating bacterial infection wounds by catalyzing the sterilization mechanism of generating reactive oxygen species (ROS). Notably, there are still some defects in the nanozyme antibacterial agents, and the design direction is to realize the multifunctionalization and intelligence of a single system. In this review, we first discuss the pathophysiology of bacteria infected wound healing, the formation of bacterial infection wounds, and the strategies for treating bacterially infected wounds. In addition, the antibacterial advantages and mechanism of nanozymes for bacteria-infected wounds are also described. Importantly, a series of nanomaterials based on nanozyme synthesis for the treatment of infected wounds are emphasized. Finally, the challenges and prospects of nanozymes for treating bacterial infection wounds are proposed for future research in this field.
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Affiliation(s)
- Fayin Mo
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Minjun Zhang
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Xuewei Duan
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Chuyan Lin
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
| | - Duanping Sun
- Center for Drug Research and Development, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
- Key Specialty of Clinical Pharmacy, The First Affiliated Hospital of Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
- Correspondence: Duanping Sun; Tianhui You, Email ;
| | - Tianhui You
- School of Nursing, Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, Guangdong Pharmaceutical University, Guangzhou, People’s Republic of China
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31
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Cao H, Xiao C, He Z, Huang H, Tang H. IgE and TGF-β Signaling: From Immune to Cardiac Remodeling. J Inflamm Res 2021; 14:5523-5526. [PMID: 34737601 PMCID: PMC8560010 DOI: 10.2147/jir.s332591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 09/30/2021] [Indexed: 11/23/2022] Open
Abstract
Cardiac remodeling is accompanied by cardiac hypertrophy, fibrosis, and dysfunction, eventually leading to heart failure (HF). However, the molecular mechanisms involved in cardiac remodeling are complicated, especially the association with immune. Immunoglobulin E (IgE) is a class of immunoglobulins involved in immune response to specific allergens. Recently, Zhao et al characterized a novel specific role of IgE and its high affinity receptor (FcεR1) in directly promoting pathological myocardial remodeling and cardiac dysfunction. Additionally, upon blocking IgE-FcεR1 signaling using FcεR1 genetic depletion or by administrating the anti-IgE monoclonal antibody omalizumab (Oma) in mice, they observed that cardiac hypertrophy and cardiac interstitial fibrosis induced by angiotensin II (Ang II) or transverse aortic constriction (TAC) were significantly suppressed. In contrast, IgE administration alone can aggravate pathological cardiac remodeling and dysfunction. RNA-seq and downstream analysis indicated that TGF-β was the common pathway and the most pivotal mediator in IgE-FcεR1-induced cardiac remodeling and dysfunction. Furthermore, the administration of a TGF-β inhibitor could ameliorate cardiac remodeling and improve cardiac function. Therefore, these findings suggest that IgE-FcεR1 maybe promising therapeutic targets for cardiac remodeling and provide an experimental basis for the use of omalizumab for HF patients combined with high serum IgE levels or allergic diseases.
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Affiliation(s)
- Hua Cao
- The First Affiliated Hospital, Department of Cardiology, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Chungang Xiao
- The First Affiliated Hospital, Department of Cardiology, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Zhangxiu He
- The First Affiliated Hospital, Department of Nephrology, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Hong Huang
- The First Affiliated Hospital, Institute of Clinical Medicine, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, People's Republic of China.,The First Affiliated Hospital, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, People's Republic of China
| | - Huifang Tang
- The First Affiliated Hospital, Department of Cardiology, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, People's Republic of China.,The First Affiliated Hospital, Institute of Cardiovascular Disease, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, People's Republic of China
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