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Yang F, Zhang X, Xie Y, Yuan J, Gao J, Chen H, Li X. The pathogenesis of food allergy and protection offered by dietary compounds from the perspective of epigenetics. J Nutr Biochem 2024; 128:109593. [PMID: 38336123 DOI: 10.1016/j.jnutbio.2024.109593] [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: 08/23/2023] [Revised: 01/23/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
Food allergy is a global food safety concern, with an increasing prevalence in recent decades. However, the immunological and cellular mechanisms involved in allergic reactions remain incompletely understood, which impedes the development of effective prevention and treatment strategies. Current evidence supports those epigenetic modifications regulate the activation of immune cells, and their dysregulation can contribute to the development of food allergies. Patients with food allergy show epigenetic alterations that lead to the onset, duration and recovery of allergic disease. Moreover, many preclinical studies have shown that certain dietary components exert nutriepigenetic effects in changing the course of food allergies. In this review, we provide an up-to-date overview of DNA methylation, noncoding RNA and histone modification, with a focus on their connections to food allergies. Following this, we discuss the epigenetic mechanisms that regulate the activation and differentiation of innate and adapted immune cell in the context of food allergies. Subsequently, this study specifically focuses on the multidimensional epigenetic effects of dietary components in modulating the immune response, which holds promise for preventing food allergies in the future.
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Affiliation(s)
- Fan Yang
- State Key Laboratory of Food Science and Resources, College of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang 330047, China
| | - Xing Zhang
- State Key Laboratory of Food Science and Resources, College of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang 330047, China
| | - Yanhai Xie
- Sino-German Joint Research Institute, College of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang 330047, China
| | - Juanli Yuan
- State Key Laboratory of Food Science and Resources, College of Food Science and Technology, Nanchang University, Nanchang 330047, China; School of Pharmacy, Jiangxi Medical College, Nanchang University, Nanchang 330047, China
| | - Jinyan Gao
- State Key Laboratory of Food Science and Resources, College of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang 330047, China
| | - Hongbing Chen
- Sino-German Joint Research Institute, College of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang 330047, China
| | - Xin Li
- State Key Laboratory of Food Science and Resources, College of Food Science and Technology, Nanchang University, Nanchang 330047, China; Jiangxi Province Key Laboratory of Food Allergy, Nanchang University, Nanchang 330047, China.
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Knyziak-Mędrzycka I, Cukrowska B, Nazar W, Bierła JB, Janeczek K, Krawiec P, Gromek W, Wysokiński M, Konopka E, Trojanowska I, Smolińska S, Majsiak E. Sensitization to Food and Aero-Allergens in Children with Coeliac Disease Assessed with the Use of a Multiplex Molecular Diagnostic Technique. J Clin Med 2024; 13:2992. [PMID: 38792533 PMCID: PMC11122608 DOI: 10.3390/jcm13102992] [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: 03/05/2024] [Revised: 05/08/2024] [Accepted: 05/17/2024] [Indexed: 05/26/2024] Open
Abstract
(1) Background. Coeliac disease (CD) often co-occurs with autoimmune conditions or genetic syndromes, but there are few studies on the co-existence of CD and immunoglobulin E (IgE)-mediated allergies. The purpose of this study was to assess sensitization to food and aero-allergens in pediatric patients with CD. (2) Methods. A multiplex ALEX®2 test was used to determine specific IgEs (sIgEs). (3) Results. The study included 108 children newly diagnosed with CD. Allergen extract- and/or allergen molecule-sIgEs were detected in 49.1% of children. Most children (41.5%) were sensitized to both inhalant and food allergens. The three most common aero-allergens (timothy pollen, ryegrass, silver birch) were molecules Phl p 1, Lol p 1, and Bet v 1. The most common food allergens (hazelnut, apple, and peanut) were Cor a 1, Mal d 1, and Ara h 8 molecules of the PR-10 subfamily. Patients were not sensitized to cereal allergens containing gluten. Spearman's rank correlation analysis of sensitized patients showed a significant positive relationship (r = 0.31) between the patients' age and the occurrence of positive sIgEs (≥0.3 kUA/L) for inhalant allergen molecules (p = 0.045). In sensitized patients, mainly symptoms of inhalant allergy were observed, such as hay fever, conjunctivitis, and bronchial asthma. (4) Conclusions. The current study indicates the co-occurrence of IgE sensitization to food and inhalant allergens in children with CD. The study highlights the need to take a closer look at the diagnosis of IgE-mediated allergy in patients with CD, which may help in their care and lead to a better understanding of the relationship between CD and IgE-mediated allergy.
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Affiliation(s)
- Izabela Knyziak-Mędrzycka
- Allergology Clinic, The Children’s Memorial Health Institute, Aleja Dzieci Polskich 20, 04-730 Warsaw, Poland
| | - Bożena Cukrowska
- Department of Pathomorphology, The Children’s Memorial Health Institute, Aleja Dzieci Polskich 20, 04-730 Warsaw, Poland
| | - Wojciech Nazar
- Faculty of Medicine, Medical University of Gdansk, Marii Sklodowskiej-Curie 3a, 80-210 Gdansk, Poland;
| | - Joanna Beata Bierła
- Department of Clinical Biochemistry, The Children’s Memorial Health Institute, Aleja Dzieci Polskich 20, 04-730 Warsaw, Poland; (J.B.B.)
| | - Kamil Janeczek
- Department of Pulmonary Diseases and Children Rheumatology, Medical University of Lublin, Profesora Antoniego Gębali Street, 20-093 Lublin, Poland;
| | - Paulina Krawiec
- Department of Pediatrics and Gastroenterology, Medical University of Lublin, Profesora Antoniego Gębali Street, 20-093 Lublin, Poland;
| | - Weronika Gromek
- Polish-Ukrainian Foundation of Medicine Development, Nałęczowska 14, 20-701 Lublin, Poland;
| | - Mariusz Wysokiński
- Department of Basic Nursing, Faculty of Health Sciences, Medical University, Staszica 4/6, 20-081 Lublin, Poland;
| | - Ewa Konopka
- Department of Clinical Biochemistry, The Children’s Memorial Health Institute, Aleja Dzieci Polskich 20, 04-730 Warsaw, Poland; (J.B.B.)
| | - Ilona Trojanowska
- Department of Clinical Biochemistry, The Children’s Memorial Health Institute, Aleja Dzieci Polskich 20, 04-730 Warsaw, Poland; (J.B.B.)
| | - Sylwia Smolińska
- Department of Clinical Immunology, Wroclaw Medical University, Parkowa 34, 51-616 Wroclaw, Poland;
| | - Emilia Majsiak
- Department of Health Promotion, Faculty Health of Sciences, Medical University of Lublin, Staszica 4/6, 20-081 Lublin, Poland
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Calderon P, Ajmal H, Brady M, Kartono F. Refractory erythema annulare centrifugum treated with roflumilast. JAAD Case Rep 2024; 47:17-19. [PMID: 38576897 PMCID: PMC10993127 DOI: 10.1016/j.jdcr.2024.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/06/2024] Open
Affiliation(s)
- Pamela Calderon
- Department of Dermatology, Corewell Health Farmington Hills, Farmington Hills, Michigan
| | - Hamza Ajmal
- Department of Dermatology, Corewell Health Farmington Hills, Farmington Hills, Michigan
| | - Mitchell Brady
- Department of Dermatology, Corewell Health Farmington Hills, Farmington Hills, Michigan
| | - Francisca Kartono
- Department of Dermatology, Corewell Health Farmington Hills, Farmington Hills, Michigan
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Elblihy AA, El-Ghannam S, Mohamed SZ, Hamouda MM, El-Ashry AH, Habib S. Helicobacter pylori-Toxoplasma gondii interplay with a possible role of IL-10. Acta Trop 2024; 253:107161. [PMID: 38417648 DOI: 10.1016/j.actatropica.2024.107161] [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: 12/20/2023] [Revised: 02/24/2024] [Accepted: 02/24/2024] [Indexed: 03/01/2024]
Abstract
Parasites are known for their modulatory effects on the immune response. The impact of toxoplasmosis on the immune response towards H. pylori is being studied in terms of IL-10 levels. This study included 110 patients suffering from persistent dyspepsia and 50 apparently healthy controls. Stool samples were collected and tested for H. pylori using colloidal gold one step test. Sera were examined for anti-Toxoplasma IgM and IgG using ELISA. IL-10 was also tested in the sera using ELISA. We found that Toxoplasma IgM and IgG tested positive in 1.8 % and 40 % of H. pylori positive patients, respectively. H. pylori-infected patients displayed higher IL-10 levels than the healthy controls (84 versus 0.59 pg/ml, respectively, P < 0.001). Classification of H. pylori positive patients according to Toxoplasma IgG titers yielded three groups: negative (58, 52.7 %), equivocal (8, 7.3 %), and positive (44, 40 %) groups, with the highest IL-10 levels detected in the double positive than the negative and the equivocal group (215 pg/ml versus 43 and 112.5 pg/ml, respectively, P < 0.001). There was strong positive correlation between Toxoplasma IgG titers and IL-10 levels (rs = 0.82, P < 0.001). Toxoplasma enhances IL-10 production in response to H. pylori infection. This could ameliorate the inflammatory response in the gastric mucosa, and subsequently more colonization with the H. pylori is achieved, resulting in persistent infection.
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Affiliation(s)
- Ayat A Elblihy
- Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt; Program of Medicine and surgery, Mansoura National University, Gamasa City, Egypt.
| | - Shreief El-Ghannam
- Department of Clinical Pathology, Faculty of Medicine, Al-Azhar University, New Damietta, Egypt
| | - Sherin Z Mohamed
- Department of Internal Medicine, Faculty of Medicine, Horus University, New Damietta, Egypt
| | - Marwa M Hamouda
- Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Amira H El-Ashry
- Department of Medical Microbiology and Immunology, Faculty of Medicine. Mansoura University, Mansoura, Egypt
| | - Samar Habib
- Department of Medical Parasitology, Faculty of Medicine, Mansoura University, Mansoura, Egypt; Department of Oral Biology and Diagnostic Sciences, The Dental College of Georgia, Augusta University, Augusta, GA, USA; DCG Center for Excellence in Research, Scholarship, and Innovation (CERSI), Augusta University, Augusta, GA, USA
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5
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Bulondo F, Babensee JE. Optimization of Interleukin-10 incorporation for dendritic cells embedded in Poly(ethylene glycol) hydrogels. J Biomed Mater Res A 2024. [PMID: 38562052 DOI: 10.1002/jbm.a.37714] [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: 09/18/2023] [Revised: 03/19/2024] [Accepted: 03/22/2024] [Indexed: 04/04/2024]
Abstract
Translational research in biomaterials and immunoengineering is leading to the development of novel advanced therapeutics to treat diseases such as cancer, autoimmunity, and viral infections. Dendritic cells (DCs) are at the center of these therapeutics given that they bridge innate and adaptive immunity. The biomaterial system developed herein uses a hydrogel carrier to deliver immunomodulatory DCs for amelioration of autoimmunity. This biomaterial vehicle is comprised of a poly (ethylene glycol)-4 arm maleimide (PEG-4MAL) hydrogels, conjugated with the immunosuppressive cytokine, interleukin-10, IL-10, and cross-linked with a collagenase-degradable peptide sequence for the injectable delivery of immunosuppressive DCs to an anatomical disease-relevant site of the cervical lymph nodes, for intended application to treat multiple sclerosis. The amount of IL-10 incorporated in the hydrogel was optimized to be 500 ng in vitro, based on immunological endpoints. At this concentration, DCs exhibited the best viability, most immunosuppressive phenotype, and protection against proinflammatory insult as compared with hydrogel-incorporated DCs with lower IL-10 loading amounts. Additionally, the effect of the degradability of the PEG-4MAL hydrogel on the release rate of incorporated IL-10 was assessed by varying the ratio of degradable peptides: VPM (degradable) and DTT (nondegradable) and measuring the IL-10 release rates. This IL-10-conjugated hydrogel delivery system for immunosuppressive DCs is set to be assessed for in vivo functionality as the immunosuppressive cytokine provides a tolerogenic environment that keeps DCs in their immature phenotype, which consequently enhances cell viability and optimizes the system's immunomodulatory functionality.
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Affiliation(s)
- Fredrick Bulondo
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA
- Department of Biomedical Sciences and Engineering, Mbarara University of Science and Technology, Mbarara, Uganda
| | - Julia E Babensee
- Parker H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia, USA
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, USA
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Domene A, Orozco H, Rodríguez-Viso P, Monedero V, Zúñiga M, Vélez D, Devesa V. Lactobacillus strains reduce the toxic effects of a subchronic exposure to arsenite through drinking water. ENVIRONMENTAL RESEARCH 2024; 245:117989. [PMID: 38128596 DOI: 10.1016/j.envres.2023.117989] [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: 10/19/2023] [Revised: 12/16/2023] [Accepted: 12/18/2023] [Indexed: 12/23/2023]
Abstract
The aim of the present study was to determine the efficacy of LAB strains in reducing the intestinal toxicity of arsenite [As(III)] and its tissue accumulation. For this purpose, Balb/c mice were randomly separated in four groups. One group received no treatment (control), one group received only As(III) (30 mg/L) via drinking water and the remaining two groups received As(III) via water and a daily dose of two LAB strains (Lactobacillus intestinalis LE1 and Lacticaseibacillus paracasei BL23) by gavage during 2 months. The results show that both strains reduce the pro-inflammatory and pro-oxidant response observed at the colonic level, partially restore the expression of the intercellular junction proteins (CLDN3 and OCLN) responsible for the maintenance of epithelial integrity, and increase the synthesis of the major mucin of the colonic mucus layer (MUC2), compared to animals treated with As(III) alone. Microbial metabolism of short-chain fatty acids also undergoes a recovery and the levels of fatty acids in the lumen reach values similar to those of untreated animals. All these positive effects imply the restoration of mucosal permeability, and a reduction of the marker of endotoxemia LPS binding protein (LBP). Treatment with the bacteria also has a direct impact on intestinal absorption, reducing the accumulation of As in the internal organs. The data suggest that the protective effect may be due to a reduced internalization of As(III) in intestinal tissues and to a possible antioxidant and anti-inflammatory activity of the bacteria through activation of pathways such as Nrf2 and IL-10. In vitro tests show that the protection may be the result of the combined action of structural and metabolic components of the LAB strains.
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Affiliation(s)
- A Domene
- Instituto de Agroquímica y Tecnología de Alimentos (IATA)-Consejo Superior de Investigaciones Científicas (CSIC), Calle Agustín Escardino 7, 46980, Paterna, Spain
| | - H Orozco
- Instituto de Agroquímica y Tecnología de Alimentos (IATA)-Consejo Superior de Investigaciones Científicas (CSIC), Calle Agustín Escardino 7, 46980, Paterna, Spain
| | - P Rodríguez-Viso
- Instituto de Agroquímica y Tecnología de Alimentos (IATA)-Consejo Superior de Investigaciones Científicas (CSIC), Calle Agustín Escardino 7, 46980, Paterna, Spain
| | - V Monedero
- Instituto de Agroquímica y Tecnología de Alimentos (IATA)-Consejo Superior de Investigaciones Científicas (CSIC), Calle Agustín Escardino 7, 46980, Paterna, Spain
| | - M Zúñiga
- Instituto de Agroquímica y Tecnología de Alimentos (IATA)-Consejo Superior de Investigaciones Científicas (CSIC), Calle Agustín Escardino 7, 46980, Paterna, Spain
| | - D Vélez
- Instituto de Agroquímica y Tecnología de Alimentos (IATA)-Consejo Superior de Investigaciones Científicas (CSIC), Calle Agustín Escardino 7, 46980, Paterna, Spain
| | - V Devesa
- Instituto de Agroquímica y Tecnología de Alimentos (IATA)-Consejo Superior de Investigaciones Científicas (CSIC), Calle Agustín Escardino 7, 46980, Paterna, Spain.
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7
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Frederico SC, Sharma N, Darling C, Taori S, Dubinsky AC, Zhang X, Raphael I, Kohanbash G. Myeloid cells as potential targets for immunotherapy in pediatric gliomas. Front Pediatr 2024; 12:1346493. [PMID: 38523840 PMCID: PMC10960498 DOI: 10.3389/fped.2024.1346493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Accepted: 02/26/2024] [Indexed: 03/26/2024] Open
Abstract
Pediatric high-grade glioma (pHGG) including pediatric glioblastoma (pGBM) are highly aggressive pediatric central nervous system (CNS) malignancies. pGBM comprises approximately 3% of all pediatric CNS malignancies and has a 5-year survival rate of approximately 20%. Surgical resection and chemoradiation are often the standard of care for pGBM and pHGG, however, even with these interventions, survival for children diagnosed with pGBM and pHGG remains poor. Due to shortcomings associated with the standard of care, many efforts have been made to create novel immunotherapeutic approaches targeted to these malignancies. These efforts include the use of vaccines, cell-based therapies, and immune-checkpoint inhibitors. However, it is believed that in many pediatric glioma patients an immunosuppressive tumor microenvironment (TME) possess barriers that limit the efficacy of immune-based therapies. One of these barriers includes the presence of immunosuppressive myeloid cells. In this review we will discuss the various types of myeloid cells present in the glioma TME, including macrophages and microglia, myeloid-derived suppressor cells, and dendritic cells, as well as the specific mechanisms these cells can employ to enable immunosuppression. Finally, we will highlight therapeutic strategies targeted to these cells that are aimed at impeding myeloid-cell derived immunosuppression.
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Affiliation(s)
- Stephen C. Frederico
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
- Harvard Medical School, Boston, MA, United States
- Dana-Farber Cancer Institute, Boston, MA, United States
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, United States
| | - Nikhil Sharma
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Corbin Darling
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Suchet Taori
- University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | | | - Xiaoran Zhang
- Sloan Kettering Memorial Cancer Center, New York, NY, United States
| | - Itay Raphael
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, United States
| | - Gary Kohanbash
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Immunology, University of Pittsburgh, Pittsburgh, PA, United States
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Rodríguez-Viso P, Domene A, Vélez D, Devesa V, Zúñiga M, Monedero V. Protective effects of oral administration of lactic acid bacteria strains against methylmercury-induced intestinal toxicity in a murine model. Food Chem Toxicol 2024; 185:114461. [PMID: 38253281 DOI: 10.1016/j.fct.2024.114461] [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: 09/22/2023] [Revised: 01/08/2024] [Accepted: 01/14/2024] [Indexed: 01/24/2024]
Abstract
The utilization of lactic acid bacteria has been proposed to mitigate the burden of heavy metal exposure through processes probably involving chelation and reduced metal bioaccessibility. We evaluated the effects of daily intake of two strains of lactobacilli (Lactobacillus intestinalis LE1 or Lactobacillus johnsonii LE2) on intestinal toxicity during methylmercury (MeHg) exposure through drinking water (5 mg/L) for two months in mice. MeHg exposure resulted in inflammation and oxidative stress at the colon, as well as an increase in intestinal permeability accompanied by decreased fecal short-chain fatty acids (SCFA). The administration of the strains resulted in a differential protective effect that, based on their chelation capacity, supported the existence of additional mechanisms of action besides chelation. Both strains reduced IL-1β levels and oxidative stress, while LE1 lowered TNF-α, diminished MeHg-induced mucus over-secretion triggered by the IL-4/IL-13/STAT6 pathway, reduced intestinal permeability, and ameliorated inflammation and oxidative stress, probably by acting on the Keap1/Nrf2/ARE pathway. Administration of LE1 partially restored SCFA contents, which could be partly responsible for the positive effects of this strain in alleviating MeHg toxicity. These results demonstrate that lactobacilli strains can be useful tools in reducing the intestinal toxicity of MeHg, the main mercurial form conveyed by food.
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Affiliation(s)
- Pilar Rodríguez-Viso
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Agustín Escardino 7, 46980, Paterna, (Valencia), Spain
| | - Adrián Domene
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Agustín Escardino 7, 46980, Paterna, (Valencia), Spain
| | - Dinoraz Vélez
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Agustín Escardino 7, 46980, Paterna, (Valencia), Spain
| | - Vicenta Devesa
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Agustín Escardino 7, 46980, Paterna, (Valencia), Spain
| | - Manuel Zúñiga
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Agustín Escardino 7, 46980, Paterna, (Valencia), Spain
| | - Vicente Monedero
- Instituto de Agroquímica y Tecnología de Alimentos (IATA-CSIC), Agustín Escardino 7, 46980, Paterna, (Valencia), Spain.
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Kheder RK, Darweesh O, Hussen BM, Abdullah SR, Basiri A, Taheri M. Mesenchymal stromal cells (MSCs) as a therapeutic agent of inflammatory disease and infectious COVID-19 virus: live or dead mesenchymal? Mol Biol Rep 2024; 51:295. [PMID: 38340168 DOI: 10.1007/s11033-023-09174-x] [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: 09/18/2023] [Accepted: 12/18/2023] [Indexed: 02/12/2024]
Abstract
The COVID-19 infection is a worldwide disease that causes numerous immune-inflammatory disorders, tissue damage, and lung dysfunction. COVID-19 vaccines, including those from Pfizer, AstraZeneca, and Sinopharm, are available globally as effective interventions for combating the disease. The severity of COVID-19 can be most effectively reduced by mesenchymal stromal cells (MSCs) because they possess anti-inflammatory activity and can reverse lung dysfunction. MSCs can be harvested from various sources, such as adipose tissue, bone marrow, peripheral blood, inner organs, and neonatal tissues. The regulation of inflammatory cytokines is crucial in inhibiting inflammatory diseases and promoting the presence of anti-inflammatory cytokines for infectious diseases. MSCs have been employed as therapeutic agents for tissue damage, diabetes, autoimmune diseases, and COVID-19 patients. Our research aimed to determine whether live or dead MSCs are more suitable for the treatment of COVID-19 patients. Our findings concluded that dead MSCs, when directly administered to the patient, offer advantages over viable MSCs due to their extended presence and higher levels of immune regulation, such as T-reg, B-reg, and IL-10, compared to live MSCs. Additionally, dead and apoptotic MSCs are likely to be more readily captured by monocytes and macrophages, prolonging their presence compared to live MSCs.
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Affiliation(s)
- Ramiar Kamal Kheder
- Medical Laboratory Science Department, College of Science, University of Raparin, Sulaymaniyah, Iraq
- Department of Medical Analysis, Faculty of Applied Science, Tishk International University, Erbil, Iraq
| | - Omeed Darweesh
- College of Pharmacy, Al-Kitab University, Kirkuk, Iraq
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Bashdar Mahmud Hussen
- Department of Biomedical Sciences, College of Science, Cihan University-Erbil, Kurdistan Region, Erbil, 44001, Iraq
- Department of Clinical Analysis, College of Pharmacy, Hawler Medical University, Kurdistan Region, Erbil, Iraq
| | - Snur Rasool Abdullah
- Medical Laboratory Science, College of Health Sciences, Lebanese French University, Kurdistan Region, Erbil, Iraq
| | - Abbas Basiri
- Urology and Nephrology Research Center, Shahid Beheshti University of Medical Scineces, Tehran, Iran
| | - Mohammad Taheri
- Institue of Human Genetics, Jena University Hospital, Jena, Germany.
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Fujii T, Kezuka C, Kawaguchi Y, Yamakawa S, Kondo N, Funasaka K, Hirooka Y, Tochio T. Co-administration of the prebiotic 1-kestose and the paraprobiotic Lactiplantibacillus plantarum FM8 in magellanic penguins promotes the activity of intestinal Lactobacillaceae and reduces the plc gene levels encoding Clostridium perfringens toxin. J Vet Med Sci 2024; 86:193-201. [PMID: 38171739 PMCID: PMC10898991 DOI: 10.1292/jvms.23-0238] [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: 06/09/2023] [Accepted: 12/22/2023] [Indexed: 01/05/2024] Open
Abstract
Despite the well-known potential health benefits of prebiotics and non-viable probiotics (paraprobiotics) in various animal species, research regarding their use in penguins is scarce. Our study aimed to investigate the impact of a combined administration of prebiotics and paraprobiotics (referred to here as "parasynbiotics") on the gut microbiome and overall health of Magellanic penguins (Spheniscus magellanicus). The parasynbiotics consisted of 1-kestose, which is a fructooligosaccharide comprising sucrose and fructose, and heat-killed Lactiplantibacillus plantarum FM8, isolated from pickled vegetables. It was administered to eight penguins aged <3 years (Young-group) and nine penguins aged >17 years (Adult-group) for 8 weeks. Results from 16S rRNA sequencing revealed that compared to baseline, parasynbiotic administration significantly decreased the relative abundance of intestinal Clostridiaceae_222000 in both groups and significantly increased that of Lactobacillaceae in the Young-group. Quantitative real-time polymerase chain reaction revealed a significant decrease in the plc gene levels encoding alpha-toxin of Clostridium perfringens in the Young-group after parasynbiotic administration (P=0.0078). In the Young-group, parasynbiotic administration significantly increased the plasma levels of total alpha-globulin (P=0.0234), which is associated with inflammatory responses. Furthermore, exposure of dendritic cells to heat-killed L. plantarum FM8 promoted the secretion of interleukin 10, a major anti-inflammatory cytokine. Overall, parasynbiotic administration enhanced the activity of gut Lactobacillaceae, decreased the levels of C. perfringens and its toxin encoding plc gene, and reduced inflammatory response in penguins. These results provide novel insights into the potential benefits of parasynbiotics for improving penguin health.
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Affiliation(s)
- Tadashi Fujii
- Department of Gastroenterology and Hepatology, Fujita Health University, Aichi, Japan
- Department of Medical Research on Prebiotics and Probiotics, Fujita Health University, Aichi, Japan
- BIOSIS Lab. Co., Ltd., Aichi, Japan
| | | | | | - Saki Yamakawa
- Department of Gastroenterology and Hepatology, Fujita Health University, Aichi, Japan
- Research and Development Division, Itochu Sugar Co., Ltd., Aichi, Japan
- WELLNEO SUGAR Co., Ltd., Tokyo, Japan
| | - Nobuhiro Kondo
- Department of Gastroenterology and Hepatology, Fujita Health University, Aichi, Japan
- Research and Development Division, Itochu Sugar Co., Ltd., Aichi, Japan
- WELLNEO SUGAR Co., Ltd., Tokyo, Japan
| | - Kohei Funasaka
- Department of Gastroenterology and Hepatology, Fujita Health University, Aichi, Japan
| | - Yoshiki Hirooka
- Department of Gastroenterology and Hepatology, Fujita Health University, Aichi, Japan
- Department of Medical Research on Prebiotics and Probiotics, Fujita Health University, Aichi, Japan
| | - Takumi Tochio
- Department of Gastroenterology and Hepatology, Fujita Health University, Aichi, Japan
- Department of Medical Research on Prebiotics and Probiotics, Fujita Health University, Aichi, Japan
- BIOSIS Lab. Co., Ltd., Aichi, Japan
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11
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Bácsi A, Ágics B, Pázmándi K, Kocsis B, Sándor V, Bertók L, Bruckner G, Sipka S. Radiation-Detoxified Form of Endotoxin Effectively Activates Th 1 Responses and Attenuates Ragweed-Induced Th 2-Type Airway Inflammation in Mice. Int J Mol Sci 2024; 25:1581. [PMID: 38338861 PMCID: PMC10855154 DOI: 10.3390/ijms25031581] [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: 12/29/2023] [Revised: 01/24/2024] [Accepted: 01/25/2024] [Indexed: 02/12/2024] Open
Abstract
Urbanization with reduced microbial exposure is associated with an increased burden of asthma and atopic symptoms. Conversely, environmental exposure to endotoxins in childhood can protect against the development of allergies. Our study aimed to investigate whether the renaturation of the indoor environment with aerosolized radiation-detoxified lipopolysaccharide (RD-LPS) has a preventative effect against the development of ragweed-induced Th2-type airway inflammation. To explore this, cages of six-week-old BALB/c mice were treated daily with aerosolized native LPS (N-LPS) or RD-LPS. After a 10-week treatment period, mice were sensitized and challenged with ragweed pollen extract, and inflammatory cell infiltration into the airways was observed. As dendritic cells (DCs) play a crucial role in the polarization of T-cell responses, in our in vitro experiments, the effects of N-LPS and RD-LPS were compared on human monocyte-derived DCs (moDCs). Mice in RD-LPS-rich milieu developed significantly less allergic airway inflammation than mice in N-LPS-rich or common environments. The results of our in vitro experiments demonstrate that RD-LPS-exposed moDCs have a higher Th1-polarizing capacity than moDCs exposed to N-LPS. Consequently, we suppose that the aerosolized, non-toxic RD-LPS applied in early life for the renaturation of urban indoors may be suitable for the prevention of Th2-mediated allergies in childhood.
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Affiliation(s)
- Attila Bácsi
- Department of Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.B.); (B.Á.); (K.P.)
| | - Beatrix Ágics
- Department of Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.B.); (B.Á.); (K.P.)
- Doctoral School of Molecular Cell and Immune Biology, University of Debrecen, H-4032 Debrecen, Hungary
| | - Kitti Pázmándi
- Department of Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.B.); (B.Á.); (K.P.)
| | - Béla Kocsis
- Department of Medical Microbiology and Immunology, Faculty of Medicine, University of Pécs, H-7624 Pécs, Hungary;
| | - Viktor Sándor
- Institute of Bioanalysis, Medical School and Szentágothai Research Center, University of Pécs, H-7624 Pécs, Hungary;
| | - Lóránd Bertók
- National Research Directorate for Radiobiology and Radiohygiene, National Public Health Center, H-1221 Budapest, Hungary
| | - Geza Bruckner
- Department of Athletic Training and Clinical Nutrition, University of Kentucky, Lexington, KY 40536, USA;
| | - Sándor Sipka
- Division of Clinical Immunology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
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12
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Wang Q, Gao Y, Li Q, He A, Xu Q, Mou Y. Enhancing Dendritic Cell Activation Through Manganese-Coated Nanovaccine Targeting the cGAS-STING Pathway. Int J Nanomedicine 2024; 19:263-280. [PMID: 38226319 PMCID: PMC10789576 DOI: 10.2147/ijn.s438359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 01/05/2024] [Indexed: 01/17/2024] Open
Abstract
Background Nanovaccines have emerged as a promising vaccination strategy, exhibiting their capacity to deliver antigens and adjuvants to elicit specific immune responses. Despite this potential, optimizing the design and delivery of nanovaccines remains a challenge. Methods In this study, we engineered a dendritic mesoporous silica-based nanocarrier enveloped in a metal-phenolic network (MPN) layer containing divalent manganese ions and tannic acid (MSN@MT). This nanocarrier was tailored for antigen loading to serve as a nanovaccine, aiming to activate the cyclic GMP-AMP synthase-stimulator of interferon genes (cGAS-STING) pathway in dendritic cells (DCs). Our experimental approach encompassed both cellular assays and mouse immunizations, allowing a comprehensive evaluation of the nanovaccine's impact on DC activation and its influence on the generation of antigen-specific T-cell responses. Results MSN@MT demonstrated a remarkable enhancement in humoral and cellular immune responses in mice compared to control groups. This highlights the potential of MSN@MT to effectively trigger the cGAS-STING pathway in DCs, resulting in robust immune responses. Conclusion Our study introduces MSN@MT, a unique nanocarrier incorporating divalent manganese ions and tannic acid, showcasing its exceptional ability to amplify immune responses by activating the cGAS-STING pathway in DCs. This innovation signifies a stride in refining nanovaccine design for potent immune activation.
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Affiliation(s)
- Qiyu Wang
- Department of Oral Implantology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing, 210008, People’s Republic of China
| | - Ying Gao
- Department of Stomatology, the 964 Hospital, Changchun, Jilin, People’s Republic of China
| | - Qiang Li
- Department of Oral Implantology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing, 210008, People’s Republic of China
| | - Ao He
- Department of Oral Implantology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing, 210008, People’s Republic of China
| | - Qinglin Xu
- Department of Oral Implantology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing, 210008, People’s Republic of China
| | - Yongbin Mou
- Department of Oral Implantology, Nanjing Stomatological Hospital, Affiliated Hospital of Medical School, Research Institute of Stomatology, Nanjing University, Nanjing, 210008, People’s Republic of China
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13
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Shbeer AM. Current state of knowledge and challenges for harnessing the power of dendritic cells in cancer immunotherapy. Pathol Res Pract 2024; 253:155025. [PMID: 38147726 DOI: 10.1016/j.prp.2023.155025] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/28/2023]
Abstract
DCs have great promise for cancer immunotherapy and are essential for coordinating immune responses. In the battle against cancer, using DCs' ability to stimulate the immune system and focus it on tumor cells has shown to be a viable tactic. This study offers a thorough summary of recent developments as well as potential future paths for DC-based immunotherapy against cancer. This study reviews the many methods used in DC therapy, such as vaccination and active cellular immunotherapy. The effectiveness and safety of DC-based treatments for metastatic castration-resistant prostate cancer and non-small cell lung cancer are highlighted in these investigations. The findings indicate longer survival times and superior results for particular patient groups. We are aware of the difficulties and restrictions of DC-based immunotherapy, though. These include the immunosuppressive tumor microenvironment, the intricacy of DC production, and the heterogeneity within DC populations. More study and development are needed to overcome these challenges to enhance immunological responses, optimize treatment regimens, and increase scalability.
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Affiliation(s)
- Abdullah M Shbeer
- Department of Surgery, Faculty of Medicine, Jazan University, Jazan, Saudi Arabia.
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14
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Li Q, Li Y, Qiao Q, Zhao N, Yang Y, Wang L, Wang Y, Guo C, Guo Y. Oral administration of Bifidobacterium breve improves anti-angiogenic drugs-derived oral mucosal wound healing impairment via upregulation of interleukin-10. Int J Oral Sci 2023; 15:56. [PMID: 38072973 PMCID: PMC10711028 DOI: 10.1038/s41368-023-00263-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/31/2023] [Accepted: 11/20/2023] [Indexed: 12/18/2023] Open
Abstract
Recent studies have suggested that long-term application of anti-angiogenic drugs may impair oral mucosal wound healing. This study investigated the effect of sunitinib on oral mucosal healing impairment in mice and the therapeutic potential of Bifidobacterium breve (B. breve). A mouse hard palate mucosal defect model was used to investigate the influence of sunitinib and/or zoledronate on wound healing. The volume and density of the bone under the mucosal defect were assessed by micro-computed tomography (micro-CT). Inflammatory factors were detected by protein microarray analysis and enzyme-linked immunosorbent assay (ELISA). The senescence and biological functions were tested in oral mucosal stem cells (OMSCs) treated with sunitinib. Ligated loop experiments were used to investigate the effect of oral B. breve. Neutralizing antibody for interleukin-10 (IL-10) was used to prove the critical role of IL-10 in the pro-healing process derived from B. breve. Results showed that sunitinib caused oral mucosal wound healing impairment in mice. In vitro, sunitinib induced cellular senescence in OMSCs and affected biological functions such as proliferation, migration, and differentiation. Oral administration of B. breve reduced oral mucosal inflammation and promoted wound healing via intestinal dendritic cells (DCs)-derived IL-10. IL-10 reversed cellular senescence caused by sunitinib in OMSCs, and IL-10 neutralizing antibody blocked the ameliorative effect of B. breve on oral mucosal wound healing under sunitinib treatment conditions. In conclusion, sunitinib induces cellular senescence in OMSCs and causes oral mucosal wound healing impairment and oral administration of B. breve could improve wound healing impairment via intestinal DCs-derived IL-10.
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Affiliation(s)
- Qingxiang Li
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Yuke Li
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Qiao Qiao
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Ning Zhao
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Yuanning Yang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Lin Wang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Yifei Wang
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China
| | - Chuanbin Guo
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China.
| | - Yuxing Guo
- Department of Oral and Maxillofacial Surgery, Peking University School and Hospital of Stomatology & National Clinical Research Center for Oral Diseases & National Engineering Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Peking University School and Hospital of Stomatology, Beijing, China.
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15
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Jie XL, Luo ZR, Yu J, Tong ZR, Li QQ, Wu JH, Tao Y, Feng PS, Lan JP, Wang P. Pi-Pa-Run-Fei-Tang alleviates lung injury by modulating IL-6/JAK2/STAT3/IL-17 and PI3K/AKT/NF-κB signaling pathway and balancing Th17 and Treg in murine model of OVA-induced asthma. JOURNAL OF ETHNOPHARMACOLOGY 2023; 317:116719. [PMID: 37268260 DOI: 10.1016/j.jep.2023.116719] [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: 04/06/2023] [Revised: 05/23/2023] [Accepted: 05/30/2023] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Pi-Pa-Run-Fei-Tang (PPRFT) is an empirical TCM prescription for treating asthma. However, the underlying mechanisms of PPRFT in asthma treatment have yet to be elucidated. Recent advances have revealed that some natural components could ameliorate asthma injury by affecting host metabolism. Untargeted metabolomics can be used to better understand the biological mechanisms underlying asthma development and identify early biomarkers that can help advance treatment. AIM OF THE STUDY The aim of this study was to verification the efficacy of PPRFT in the treatment of asthma and to preliminarily explore its mechanism. MATERIALS AND METHODS A mouse asthma model was built by OVA induction. Inflammatory cell in BALF was counted. The level of IL-6, IL-1β, and TNF-α in BALF were measured. The levels of IgE in the serum and EPO, NO, SOD, GSH-Px, and MDA in the lung tissue were measured. Furthermore, pathological damage to the lung tissues was detected to evaluate the protective effects of PPRFT. The serum metabolomic profiles of PPRFT in asthmatic mice were determined by GC-MS. The regulatory effects on mechanism pathways of PPRFT in asthmatic mice were explored via immunohistochemical staining and western blotting analysis. RESULTS PPRFT displayed lung-protective effects through decreasing oxidative stress, airway inflammation, and lung tissue damage in OVA-induced mice, which was demonstrated by decreasing inflammatory cell levels, IL-6, IL-1β, and TNF-α levels in BALF, and IgE levels in serum, decreasing EPO, NO, and MDA levels in lung tissue, elevating SOD and GSH-Px levels in lung tissue and lung histopathological changes. In addition, PPRFT could regulate the imbalance in Th17/Treg cell ratios, suppress RORγt, and increase the expression of IL-10 and Foxp3 in the lung. Moreover, PPRFT treatment led to decreased expression of IL-6, p-JAK2/Jak2, p-STAT3/STAT3, IL-17, NF-κB, p-AKT/AKT, and p-PI3K/PI3K. Serum metabolomics analysis revealed that 35 metabolites were significantly different among different groups. Pathway enrichment analysis indicated that 31 pathways were involved. Moreover, correlation analysis and metabolic pathway analysis identified three key metabolic pathways: galactose metabolism; tricarboxylic acid cycle; and glycine, serine, and threonine metabolism. CONCLUSION This research indicated that PPRFT treatment not only attenuates the clinical symptoms of asthma but is also involved in regulating serum metabolism. The anti-asthmatic activity of PPRFT may be associated with the regulatory effects of IL-6/JAK2/STAT3/IL-17 and PI3K/AKT/NF-κB mechanistic pathways.
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Affiliation(s)
- Xiao-Lu Jie
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Zi-Rui Luo
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jin Yu
- Hangzhou Zhongmei Huadong Pharmaceutical Co., Ltd., Hangzhou, 310014, China
| | - Zhe-Ren Tong
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Qiao-Qiao Li
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Jia-Hui Wu
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Yi Tao
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Pei-Shi Feng
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China
| | - Ji-Ping Lan
- Experiment Center for Teaching & Learning Shanghai University of Traditional Chinese Medicine, Shanghai, 201203, China.
| | - Ping Wang
- College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, 310014, China.
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16
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Du Y, He B, Wu B, Yan T, Jia Y. Suanzaoren decoction improves depressive-like behaviors by regulating the microbiota-gut-brain axis via inhibiting TLR4/NFκB/NLRP3 inflammation signal pathway. J Chem Neuroanat 2023; 134:102349. [PMID: 37879571 DOI: 10.1016/j.jchemneu.2023.102349] [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: 07/27/2023] [Revised: 10/19/2023] [Accepted: 10/20/2023] [Indexed: 10/27/2023]
Abstract
Depression is a common but serious sickness which causes a considerable burden on individuals and society. Recently, it has been well established that the occurrence of depression was related to the microbiota-gut-brain axis. The toll-like receptor 4 (TLR4)/ nuclear factor kappa-B kinase (NFκB)/ NOD-like receptor thermal protein domain associated protein 3 (NLRP3) pathway is closely associated with the regulation of microbiota-gut-brain axis. Suanzaoren Decoction (SZRD), which recorded in Jin Gui Yao Lve in Han dynasty, has been used for treating insomnia and depression for a long time. However, the action mechanism of the depression regulation through the TLR4/NFκB/NLRP3 pathway by SZRD was still unclear. In this study, SZRD was firstly performed on a chronic unpredictable mild stress (CUMS) mice model. The results of behavioral tests showed that SZRD treatment could ameliorate the depressive-like behaviors of CUMS mice effectively. According to our previous researches about the components of SZRD in vitro and in vivo, the identification of serum metabolites in depression model rats was further analyzed qualitatively using ultra-performance liquid chromatography quadrupole time-of-flight mass spectrometry. 27 prototypes and 44 metabolites were identified. The main types of metabolic reactions are glucuronization, sulfation, and so on. Then, using immunohistochemistry and western blotting to monitor the difference in activation of TLR4/NFκB/NLRP3 signaling pathway in mice brain and colon. The results showed that SZRD treatment could reduce expression levels of related factors. Additionally, the SZRD treatment could also inhibit the histopathological damage in the path morphology of the hippocampus and colon. The results of 16SrRNA demonstrated that SZRD could reduce the dysbiosis of the intestinal flora of depressive mice. The above results provided important information for studying the action mechanism of SZRD in treating depression by regulating microbiota-gut-brain axis via inhibiting TLR4/NFκB/NLRP3 pathway.
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Affiliation(s)
- Yiyang Du
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Bosai He
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Bo Wu
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Tingxu Yan
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China.
| | - Ying Jia
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China.
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17
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Kang C, He H, Liu P, Liu Y, Li X, Zhang J, Ran H, Zeng X, Zhao H, Liu J, Qiu S. Role of dendritic cell‑derived exosomes in allergic rhinitis (Review). Int J Mol Med 2023; 52:117. [PMID: 37888754 PMCID: PMC10635688 DOI: 10.3892/ijmm.2023.5320] [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: 08/03/2023] [Accepted: 10/11/2023] [Indexed: 10/28/2023] Open
Abstract
Allergic rhinitis (AR) is a common pathological condition in otorhinolaryngology. Its prevalence has been increasing worldwide and is becoming a major burden to the world population. Dendritic cells (DCs) are typically activated and matured after capturing, phagocytosing, and processing allergens during the immunopathogenesis of AR. In addition, the process of DC activation and maturation is accompanied by the production of exosomes, which are cell‑derived extracellular vesicles (EVs) that can carry proteins, lipids, nucleic acids, and other cargoes involved in intercellular communication and material transfer. In particular, DC‑derived exosomes (Dex) can participate in allergic immune responses, where the biological substances carried by them can have potentially important implications for both the pathogenesis and treatment of AR. Dex can also be exploited to carry anti‑allergy agents to effectively treat AR. This provides a novel method to explore the pathogenesis of and treatment strategies for AR further. Therefore, the present review focuses on the origin, composition, function, and biological characteristics of DCs, exosomes, and Dex, in addition to the possible relationship between Dex and AR.
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Affiliation(s)
- Chenglin Kang
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
- Department of Otolaryngology, Second People's Hospital of Gansu Province, Lanzhou, Gansu 730000, P.R. China
| | - Haipeng He
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
| | - Peng Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
| | - Yue Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
| | - Xiaomei Li
- Department of Otolaryngology, Second People's Hospital of Gansu Province, Lanzhou, Gansu 730000, P.R. China
| | - Jin Zhang
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
- Department of Otorhinolaryngology, The Second People's Hospital of Yibin, Yibin, Sichuan 644000, P.R. China
| | - Hong Ran
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
| | - Xianhai Zeng
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
| | - Hailiang Zhao
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
| | - Jiangqi Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
| | - Shuqi Qiu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, Guangdong 519041, P.R. China
- Department of Otolaryngology, Longgang ENT Hospital and Shenzhen Key Laboratory of ENT, Institute of ENT Shenzhen, Shenzhen, Guangdong 518172, P.R. China
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18
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Elwakeel A, Bridgewater HE, Bennett J. Unlocking Dendritic Cell-Based Vaccine Efficacy through Genetic Modulation-How Soon Is Now? Genes (Basel) 2023; 14:2118. [PMID: 38136940 PMCID: PMC10743214 DOI: 10.3390/genes14122118] [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: 10/13/2023] [Revised: 11/17/2023] [Accepted: 11/20/2023] [Indexed: 12/24/2023] Open
Abstract
The dendritic cell (DC) vaccine anti-cancer strategy involves tumour-associated antigen loading and maturation of autologous ex vivo cultured DCs, followed by infusion into the cancer patient. This strategy stemmed from the idea that to induce a robust anti-tumour immune response, it was necessary to bypass the fundamental immunosuppressive mechanisms of the tumour microenvironment that dampen down endogenous innate immune cell activation and enable tumours to evade immune attack. Even though the feasibility and safety of DC vaccines have long been confirmed, clinical response rates remain disappointing. Hence, the full potential of DC vaccines has yet to be reached. Whether this cellular-based vaccination approach will fully realise its position in the immunotherapy arsenal is yet to be determined. Attempts to increase DC vaccine immunogenicity will depend on increasing our understanding of DC biology and the signalling pathways involved in antigen uptake, maturation, migration, and T lymphocyte priming to identify amenable molecular targets to improve DC vaccine performance. This review evaluates various genetic engineering strategies that have been employed to optimise and boost the efficacy of DC vaccines.
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Affiliation(s)
- Ahmed Elwakeel
- Centre for Health and Life Sciences (CHLS), Coventry University, Coventry CV1 5FB, UK; (A.E.); (H.E.B.)
| | - Hannah E. Bridgewater
- Centre for Health and Life Sciences (CHLS), Coventry University, Coventry CV1 5FB, UK; (A.E.); (H.E.B.)
| | - Jason Bennett
- Department of Biological Sciences, Faculty of Science and Engineering, University of Limerick, V94 T9PX Limerick, Ireland
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19
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Kerzel T, Giacca G, Beretta S, Bresesti C, Notaro M, Scotti GM, Balestrieri C, Canu T, Redegalli M, Pedica F, Genua M, Ostuni R, Kajaste-Rudnitski A, Oshima M, Tonon G, Merelli I, Aldrighetti L, Dellabona P, Coltella N, Doglioni C, Rancoita PMV, Sanvito F, Naldini L, Squadrito ML. In vivo macrophage engineering reshapes the tumor microenvironment leading to eradication of liver metastases. Cancer Cell 2023; 41:1892-1910.e10. [PMID: 37863068 DOI: 10.1016/j.ccell.2023.09.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 07/27/2023] [Accepted: 09/27/2023] [Indexed: 10/22/2023]
Abstract
Liver metastases are associated with poor response to current pharmacological treatments, including immunotherapy. We describe a lentiviral vector (LV) platform to selectively engineer liver macrophages, including Kupffer cells and tumor-associated macrophages (TAMs), to deliver type I interferon (IFNα) to liver metastases. Gene-based IFNα delivery delays the growth of colorectal and pancreatic ductal adenocarcinoma liver metastases in mice. Response to IFNα is associated with TAM immune activation, enhanced MHC-II-restricted antigen presentation and reduced exhaustion of CD8+ T cells. Conversely, increased IL-10 signaling, expansion of Eomes CD4+ T cells, a cell type displaying features of type I regulatory T (Tr1) cells, and CTLA-4 expression are associated with resistance to therapy. Targeting regulatory T cell functions by combinatorial CTLA-4 immune checkpoint blockade and IFNα LV delivery expands tumor-reactive T cells, attaining complete response in most mice. These findings support a promising therapeutic strategy with feasible translation to patients with unmet medical need.
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Affiliation(s)
- Thomas Kerzel
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Giovanna Giacca
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Stefano Beretta
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Bioinformatics Core, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Chiara Bresesti
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Marco Notaro
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Giulia Maria Scotti
- Center for Omics Sciences, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Chiara Balestrieri
- Center for Omics Sciences, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Experimental Hematology Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Tamara Canu
- Preclinical Imaging Facility, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Miriam Redegalli
- Pathology Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Federica Pedica
- Vita Salute San Raffaele University, 20132 Milan, Italy; Pathology Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Marco Genua
- Genomics of the Innate Immune System Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Renato Ostuni
- Vita Salute San Raffaele University, 20132 Milan, Italy; Genomics of the Innate Immune System Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Anna Kajaste-Rudnitski
- Retrovirus-Host Interactions and Innate Immunity to Gene Transfer, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Masanobu Oshima
- Division of Genetics, Cancer Research Institute, Kanazawa University, Kanazawa 920-1192, Japan
| | - Giovanni Tonon
- Vita Salute San Raffaele University, 20132 Milan, Italy; Center for Omics Sciences, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Ivan Merelli
- Bioinformatics Core, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; National Research Council, Institute for Biomedical Technologies, 20054 Segrate, Italy
| | - Luca Aldrighetti
- Vita Salute San Raffaele University, 20132 Milan, Italy; Hepatobiliary Surgery Division, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Paolo Dellabona
- Division of Immunology, Transplantation and Infectious Diseases, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Nadia Coltella
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Claudio Doglioni
- Vita Salute San Raffaele University, 20132 Milan, Italy; Pathology Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Paola M V Rancoita
- CUSSB University Center for Statistics in the Biomedical Science, Vita Salute San Raffaele University, 20132 Milan, Italy
| | - Francesca Sanvito
- Pathology Unit, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; GLP Test Facility, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy
| | - Luigi Naldini
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Vita Salute San Raffaele University, 20132 Milan, Italy.
| | - Mario Leonardo Squadrito
- Targeted Cancer Gene Therapy Unit, San Raffaele Telethon Institute for Gene Therapy, IRCCS San Raffaele Scientific Institute, 20132 Milan, Italy; Vita Salute San Raffaele University, 20132 Milan, Italy.
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20
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Nakayama K, Tetsu H, Nishijo T, Yuki T, Miyazawa M. Tolerogenic phenotype of dendritic cells is induced after hapten sensitization followed by attenuated contact hypersensitivity response in atopic dermatitis model NC/Nga mice. Biochem Biophys Res Commun 2023; 678:24-32. [PMID: 37611349 DOI: 10.1016/j.bbrc.2023.08.042] [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: 06/30/2023] [Revised: 08/10/2023] [Accepted: 08/17/2023] [Indexed: 08/25/2023]
Abstract
Allergic contact dermatitis (ACD) and atopic dermatitis (AD) are common inflammatory diseases. We previously reported attenuated contact hypersensitivity (CHS) responses in AD model mice using 2,4-dinitrofluorobenzene, reflecting clinical experiments. However, previous studies have not addressed the commonality of findings across haptens and mechanisms focused on dendritic cells (DCs). Thus, this study evaluated CHS responses to fluorescein isothiocyanate (FITC) and DC migration and maturation in the sensitization phase of CHS in AD. CHS responses to FITC were compared between NC/Nga mice without and with AD induction (non-AD and AD mice, respectively). T-cell responses and DC migration and maturation after FITC-induced sensitization were examined in the draining lymph nodes of non-AD and AD mice. AD mice demonstrated reduced CHS responses to FITC under decreased T-cell proliferation following sensitization and interferon-γ production by hapten-specific T cells compared with non-AD mice. In addition, the number of FITC+CD11c+MHC class IIhigh migratory DCs 24 h after FITC sensitization was comparable between non-AD and AD mice. However, FITC+CD11c+MHC class IIhigh migratory DCs in AD mice exhibited lower expression levels of CD80 and CD86 and higher expression levels of PD-L1 and mRNA of transforming growth factor beta than non-AD mice. These findings suggest that attenuated CHS responses may be hapten-independent and the induction of the tolerogenic phenotype of hapten-bearing DCs can contribute to reduced T-cell proliferation after sensitization and CHS responses in AD.
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Affiliation(s)
- Kanako Nakayama
- Safety Science Research Laboratories, Kao Corporation, 2606 Akabane, Ichikai, Haga, Tochigi, 321-3497, Japan.
| | - Hiroe Tetsu
- Safety Science Research Laboratories, Kao Corporation, 2606 Akabane, Ichikai, Haga, Tochigi, 321-3497, Japan
| | - Taku Nishijo
- Safety Science Research Laboratories, Kao Corporation, 2606 Akabane, Ichikai, Haga, Tochigi, 321-3497, Japan
| | - Takuo Yuki
- Safety Science Research Laboratories, Kao Corporation, 2606 Akabane, Ichikai, Haga, Tochigi, 321-3497, Japan
| | - Masaaki Miyazawa
- Safety Science Research Laboratories, Kao Corporation, 2606 Akabane, Ichikai, Haga, Tochigi, 321-3497, Japan
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21
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Sommer B, González-Ávila G, Flores-Soto E, Montaño LM, Solís-Chagoyán H, Romero-Martínez BS. Phytoestrogen-Based Hormonal Replacement Therapy Could Benefit Women Suffering Late-Onset Asthma. Int J Mol Sci 2023; 24:15335. [PMID: 37895016 PMCID: PMC10607548 DOI: 10.3390/ijms242015335] [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: 09/13/2023] [Revised: 10/10/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023] Open
Abstract
It has been observed that plasmatic concentrations of estrogens, progesterone, or both correlate with symptoms in asthmatic women. Fluctuations in female sex steroid concentrations during menstrual periods are closely related to asthma symptoms, while menopause induces severe physiological changes that might require hormonal replacement therapy (HRT), that could influence asthma symptoms in these women. Late-onset asthma (LOA) has been categorized as a specific asthmatic phenotype that includes menopausal women and novel research regarding therapeutic alternatives that might provide relief to asthmatic women suffering LOA warrants more thorough and comprehensive analysis. Therefore, the present review proposes phytoestrogens as a promising HRT that might provide these females with relief for both their menopause and asthma symptoms. Besides their well-recognized anti-inflammatory and antioxidant capacities, phytoestrogens activate estrogen receptors and promote mild hormone-like responses that benefit postmenopausal women, particularly asthmatics, constituting therefore a very attractive potential therapy largely due to their low toxicity and scarce side effects.
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Affiliation(s)
- Bettina Sommer
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias ‘Ismael Cosio Villegas’, Calzada de Tlalpan 4502, Colonia Sección XVI, Mexico City CP 14080, Mexico
| | - Georgina González-Ávila
- Laboratorio de Oncología Biomédica, Departamento de Enfermedades Crónico Degenerativas, Instituto Nacional de Enfermedades Respiratorias ‘Ismael Cosio Villegas’, Mexico City CP 14080, Mexico;
| | - Edgar Flores-Soto
- Departmento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City CP 04510, Mexico; (E.F.-S.); (L.M.M.); (B.S.R.-M.)
| | - Luis M. Montaño
- Departmento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City CP 04510, Mexico; (E.F.-S.); (L.M.M.); (B.S.R.-M.)
| | - Héctor Solís-Chagoyán
- Neurociencia Cognitiva Evolutiva, Centro de Investigación en Ciencias Cognitivas, Universidad Autónoma del Estado de Morelos, Cuernavaca CP 62209, Morelos, Mexico;
| | - Bianca S. Romero-Martínez
- Departmento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City CP 04510, Mexico; (E.F.-S.); (L.M.M.); (B.S.R.-M.)
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22
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Kang C, Li X, Liu P, Liu Y, Niu Y, Zeng X, Zhao H, Liu J, Qiu S. Tolerogenic dendritic cells and TLR4/IRAK4/NF-κB signaling pathway in allergic rhinitis. Front Immunol 2023; 14:1276512. [PMID: 37915574 PMCID: PMC10616250 DOI: 10.3389/fimmu.2023.1276512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 10/05/2023] [Indexed: 11/03/2023] Open
Abstract
Dendritic cells (DCs), central participants in the allergic immune response, can capture and present allergens leading to allergic inflammation in the immunopathogenesis of allergic rhinitis (AR). In addition to initiating antigen-specific immune responses, DCs induce tolerance and modulate immune homeostasis. As a special type of DCs, tolerogenic DCs (tolDCs) achieve immune tolerance mainly by suppressing effector T cell responses and inducing regulatory T cells (Tregs). TolDCs suppress allergic inflammation by modulating immune tolerance, thereby reducing symptoms of AR. Activation of the TLR4/IRAK4/NF-κB signaling pathway contributes to the release of inflammatory cytokines, and inhibitors of this signaling pathway induce the production of tolDCs to alleviate allergic inflammatory responses. This review focuses on the relationship between tolDCs and TLR4/IRAK4/NF-κB signaling pathway with AR.
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Affiliation(s)
- Chenglin Kang
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, China
- Department of Otolaryngology, Longgang E.N.T Hospital and Shenzhen Key Laboratory of E.N.T, Institute of E.N.T Shenzhen, Shenzhen, China
- Department of Otolaryngology, Second People’s Hospital of Gansu Province, Lanzhou, China
| | - Xiaomei Li
- Department of Otolaryngology, Second People’s Hospital of Gansu Province, Lanzhou, China
| | - Peng Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, China
| | - Yue Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, China
| | - Yuan Niu
- Department of Neurology, Second People’s Hospital of Gansu Province, Lanzhou, China
| | - Xianhai Zeng
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, China
- Department of Otolaryngology, Longgang E.N.T Hospital and Shenzhen Key Laboratory of E.N.T, Institute of E.N.T Shenzhen, Shenzhen, China
| | - Hailiang Zhao
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, China
- Department of Otolaryngology, Longgang E.N.T Hospital and Shenzhen Key Laboratory of E.N.T, Institute of E.N.T Shenzhen, Shenzhen, China
| | - Jiangqi Liu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, China
- Department of Otolaryngology, Longgang E.N.T Hospital and Shenzhen Key Laboratory of E.N.T, Institute of E.N.T Shenzhen, Shenzhen, China
| | - Shuqi Qiu
- Department of Graduate and Scientific Research, Zunyi Medical University Zhuhai Campus, Zhuhai, China
- Department of Otolaryngology, Longgang E.N.T Hospital and Shenzhen Key Laboratory of E.N.T, Institute of E.N.T Shenzhen, Shenzhen, China
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23
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Salkeni MA, Naing A. Interleukin-10 in cancer immunotherapy: from bench to bedside. Trends Cancer 2023; 9:716-725. [PMID: 37321942 PMCID: PMC10524969 DOI: 10.1016/j.trecan.2023.05.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 05/04/2023] [Accepted: 05/15/2023] [Indexed: 06/17/2023]
Abstract
Interleukin (IL)-10 was one of the first cytokines to be recognized. However, its functionality in promoting antitumor immunity was described more recently. Context- and concentration-dependent biological effects are the hallmarks of the pleiotropic role of IL-10. Despite reducing tumor-promoting inflammation, IL-10 may have a role in rejuvenating exhausted tumor-resident T cells. Contrary to the assumption that IL-10 produces an immunosuppressive tumor microenvironment (TME), it promotes activation of tumor-resident CD8+ T cells, which aids tumor rejection. Emerging data from published early-Phase trials have shown mixed results in different tumor types. In this review, we summarize the biological effects of IL-10 and highlight the clinical experience using pegilodecakin.
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Affiliation(s)
- Mohamad Adham Salkeni
- Developmental Therapeutics Clinic, Division of Cancer Treatment and Diagnosis, National Cancer Institute, Bethesda, MD, USA
| | - Aung Naing
- Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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24
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da Silva ES, de Santana MBR, Silveira EF, Torres RT, Silva RC, Fernandes AMS, Belitardo EMMDA, Garcés LFS, Santiago LF, Urrego JR, Vilas-Bôas DS, de Freitas LAR, Zakzuk J, Pacheco LGC, Cruz ÁA, Ferreira F, Cooper P, Caraballo L, Pinheiro CDS, Alcantara-Neves NM. The hybrid protein BTH2 suppresses allergic airway inflammation in a murine model of HDM-specific immunotherapy. Clin Exp Allergy 2023; 53:821-832. [PMID: 36779555 DOI: 10.1111/cea.14293] [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: 10/21/2022] [Revised: 01/22/2023] [Accepted: 01/28/2023] [Indexed: 02/14/2023]
Abstract
BACKGROUND Allergen-specific immunotherapy (AIT) is the only disease-modifying treatment approach to change disease-causing allergens. Hypoallergenic derivatives show promise as potential therapeutics, amongst which BTH2 was designed to induce tolerance against Blomia tropicalis allergy. Our aim was to investigate the hypoallergenicity and immunoregulatory activity of BTH2 in vitro and its therapeutic potential in a mouse model of AIT. METHODS Recombinant Blo t 5 and Blo t 21 allergens and their hybrid derivatives (BTH1 and BTH2) were expressed and purified. IgE binding capacity was tested by ELISA using sera from Brazilian, Colombian, and Ecuadorian subjects. Secretion of cytokines in supernatants from human cell cultures was measured following stimulation with the four recombinants and controls. The capacity of BTH2 to ameliorate allergic airway inflammation induced by B. tropicalis extract was evaluated in a murine model of AIT. RESULTS rBlo t 5 and rBlo t 21 were identified as major allergens in Latin American patients, and BTH2 had the lowest IgE binding. In vitro stimulation of human cells induced greater levels of IL-10 and IFN-γ and reduced the secretion of Th2 cytokines. BTH2 ameliorated allergic airway inflammation in B. tropicalis-challenged A/J mice, as evidenced by the histopathological and humoral biomarkers: decreased Th2 cytokines and cellular infiltration (especially eosinophils), lower activity of eosinophil peroxidase, an increase in IgG blocking antibodies and strong reduction of mucus production by goblet cells. CONCLUSIONS Our study shows that BTH2 represents a promising candidate for the treatment of B. tropicalis allergy with hypoallergenic, immune regulatory and therapeutic properties. Further pre-clinical studies are required in murine models of chronic asthma to further address the efficacy and safety of BTH2 as a vaccine against B. tropicalis-induced allergy.
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Affiliation(s)
- Eduardo Santos da Silva
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Post-Graduate Program in Biotechnology of the Northeast Biotechnology Network (RENORBIO), Maceió, Brazil
| | - Marina Borges Rabelo de Santana
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Post-Graduate Program in Immunology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | - Elisânia Fontes Silveira
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | - Rogério Tanan Torres
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | - Raphael Chagas Silva
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Post-Graduate Program in Immunology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | | | - Emília Maria Medeiros de Andrade Belitardo
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Post-Graduate Program in Immunology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FioCruz), Salvador, Brazil
| | - Luis Fabián Salazar Garcés
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Post-Graduate Program in Immunology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Faculty of Health Sciences, Technical University of Ambato, Ambato, Ecuador
| | - Leonardo Freire Santiago
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | | | - Deise Souza Vilas-Bôas
- Post-Graduate Program in Immunology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Laboratory of Histotechnology, Department of Biomorphology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | - Luiz Antônio Rodrigues de Freitas
- Gonçalo Moniz Institute, Oswaldo Cruz Foundation (FioCruz), Salvador, Brazil
- Department of Pathology of the School of Medicine, Federal University of Bahia, Salvador, Brazil
| | - Josefina Zakzuk
- Institute of Immunological Research, University of Cartagena, Cartagena, Colombia
| | - Luis Gustavo Carvalho Pacheco
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | | | - Fatima Ferreira
- Department of Biosciences, Paris-Lodron University of Salzburg, Salzburg, Austria
| | - Philip Cooper
- Institute of Infection and Immunity, St George's University of London, London, UK
- School of Medicine, International University of Ecuador, Quito, Ecuador
| | - Luis Caraballo
- Institute of Immunological Research, University of Cartagena, Cartagena, Colombia
| | - Carina da Silva Pinheiro
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Post-Graduate Program in Immunology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
| | - Neuza Maria Alcantara-Neves
- Laboratory of Allergology and Acarology (LAA), Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
- Post-Graduate Program in Biotechnology of the Northeast Biotechnology Network (RENORBIO), Maceió, Brazil
- Post-Graduate Program in Immunology, Institute of Health Sciences, Federal University of Bahia, Salvador, Brazil
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25
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Zhang Q, Feng X, Zhang M, Sun W, Zhai Y, Qing S, Liu Y, Zhao H, Sun J, Zhang Y, Ma C. Clinical plasma cells-related genes to aid therapy in colon cancer. BMC Genomics 2023; 24:430. [PMID: 37528394 PMCID: PMC10391883 DOI: 10.1186/s12864-023-09481-4] [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: 01/16/2023] [Accepted: 06/23/2023] [Indexed: 08/03/2023] Open
Abstract
The tumor immune microenvironment (TIME) of colon cancer (CC) has been associated with extensive immune cell infiltration (IMI). Increasing evidence demonstrated that plasma cells (PC) have an extremely important role in advance of antitumor immunity. Nonetheless, there is a lack of comprehensive analyses of PC infiltration in clinical prognosis and immunotherapy in CC. This study systematically addressed the gene expression model and clinical information of CC patients. Clinical samples were obtained from the TCGA (The Cancer Genome Atlas) databases. Gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG), GSVA, and the MAlignant Tumors using Expression data (ESTIMATE) algorithm were employed to research the potential mechanism and pathways. Immunophenoscore (IPS) was obtained to evaluate the immunotherapeutic significance of risk score. Half maximal inhibitory concentration (IC50) of chemotherapeutic medicine was predicted by employing the pRRophetic algorithm. A total of 513 CC samples (including 472 tumor samples and 41 normal samples) were collected from the TCGA-GDC database. Significant black modules and 313 candidate genes were considered PC-related genes by accessing WGCNA. Five pivotal genes were established through multiple analyses, which revealed excellent prognostic. The underlying correlation between risk score with tumor mutation burden (TMB) was further explored. In addition, the risk score was obviously correlated with various tumor immune microenvironment (TIME). Also, risk CC samples showed various signaling pathways activity and different pivotal sensitivities to administering chemotherapy. Finally, the biological roles of the CD177 gene were uncovered in CC.
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Affiliation(s)
- Qi Zhang
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
- Zhuzhou Orthopaedic Hospital of Traditional Chinese Medicine, Zhuzhou, 412000, China
| | - Xiao Feng
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Mingming Zhang
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
- Xi'an Daxing Hospital, Xian, 710000, China
| | - Wenjing Sun
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Yuqing Zhai
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Shuangshuang Qing
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Ying Liu
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Haoran Zhao
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China
| | - Jing Sun
- Department of Oncology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yi Zhang
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China.
| | - Chaoqun Ma
- Department of General Surgery, Jiangsu Province Hospital of Chinese Medicine, Affiliated Hospital of Nanjing University of Chinese Medicine, Nanjing, 210029, China.
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26
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Heldner A, Heath MD, Schnautz B, Kotz S, Chaker A, Kramer MF, Jakwerth CA, Zissler UM, Schmidt-Weber CB, Blank S. Ex Vivo Immunomodulatory Effects of Lactobacillus-, Lacticaseibacillus-, and Bifidobacterium-Containing Synbiotics on Human Peripheral Blood Mononuclear Cells and Monocyte-Derived Dendritic Cells in the Context of Grass Pollen Allergy. Probiotics Antimicrob Proteins 2023; 15:868-879. [PMID: 35113319 PMCID: PMC10393851 DOI: 10.1007/s12602-022-09920-w] [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] [Accepted: 01/18/2022] [Indexed: 11/26/2022]
Abstract
Sensing of the intestinal microbiota by the host immune system is important to induce protective immune responses. Hence, modification of the gut microbiota might be able to prevent or treat allergies, mediated by proinflammatory Th2 immune responses. The aim was to investigate the ex vivo immunomodulatory effects of the synbiotics Pollagen® and Kallergen®, containing the probiotic bacterial strains Lactobacillus, Lacticaseibacillus and Bifidobacterium, in the context of grass pollen allergy. Peripheral blood mononuclear cells (PBMCs) from grass pollen-allergic patients and healthy controls were stimulated with grass pollen extract (GPE) and synbiotics and Gata3 expression and cytokine secretion analyzed. Monocyte-derived dendritic cells (MoDCs) cells were matured in the presence of GPE and synbiotics, co-cultured with autologous naïve T cells and maturation markers and cytokine secretion analyzed. GPE stimulation of PBMCs from grass pollen-allergic patients resulted in a significant higher production of the Th2 cytokines IL-4, IL-5, IL-9 and IL-13 compared to healthy controls. Gata3+CD4+ T cell induction was independent of the allergic status. The synbiotics promoted IL-10 and IFN-γ secretion and downregulated the GPE-induced Th2-like phenotype. Co-culturing naïve T cells with MoDCs, matured in the presence of GPE and synbiotics, shifted the GPE-induced Th2 cytokine release towards Th1-Th17-promoting conditions in allergic subjects. The investigated synbiotics are effective in downregulating the GPE-induced Th2 immune response in PBMCs from grass pollen-allergic patients as well as in autologous MoDC-T cell stimulation assays. In addition to increased IL-10 release, the data indicates a shift from a Th2- to a more Th1- and Th17-like phenotype.
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Affiliation(s)
- Alexander Heldner
- Center of Allergy and Environment (ZAUM)Faculty of Medicine and Helmholtz Center MunichMember of the German Center of Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, Technical University of Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Munich, Germany
| | | | - Benjamin Schnautz
- Center of Allergy and Environment (ZAUM)Faculty of Medicine and Helmholtz Center MunichMember of the German Center of Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, Technical University of Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Munich, Germany
| | - Sebastian Kotz
- Faculty of Medicine, Department of Otolaryngology, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
| | - Adam Chaker
- Center of Allergy and Environment (ZAUM)Faculty of Medicine and Helmholtz Center MunichMember of the German Center of Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, Technical University of Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Munich, Germany
- Faculty of Medicine, Department of Otolaryngology, Klinikum Rechts Der Isar, Technical University of Munich, Munich, Germany
| | - Matthias F Kramer
- Allergy Therapeutics PLC, Worthing, UK
- Bencard Allergie GmbH, Munich, Germany
| | - Constanze A Jakwerth
- Center of Allergy and Environment (ZAUM)Faculty of Medicine and Helmholtz Center MunichMember of the German Center of Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, Technical University of Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Munich, Germany
| | - Ulrich M Zissler
- Center of Allergy and Environment (ZAUM)Faculty of Medicine and Helmholtz Center MunichMember of the German Center of Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, Technical University of Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Munich, Germany
| | - Carsten B Schmidt-Weber
- Center of Allergy and Environment (ZAUM)Faculty of Medicine and Helmholtz Center MunichMember of the German Center of Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, Technical University of Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Munich, Germany
| | - Simon Blank
- Center of Allergy and Environment (ZAUM)Faculty of Medicine and Helmholtz Center MunichMember of the German Center of Lung Research (DZL), Member of the Immunology and Inflammation Initiative of the Helmholtz Association, Technical University of Munich, German Research Center for Environmental Health, Ingolstädter Landstraße 1, 85764, Munich, Germany.
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Carlini V, Noonan DM, Abdalalem E, Goletti D, Sansone C, Calabrone L, Albini A. The multifaceted nature of IL-10: regulation, role in immunological homeostasis and its relevance to cancer, COVID-19 and post-COVID conditions. Front Immunol 2023; 14:1161067. [PMID: 37359549 PMCID: PMC10287165 DOI: 10.3389/fimmu.2023.1161067] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/24/2023] [Indexed: 06/28/2023] Open
Abstract
Interleukin-10 (IL-10) is a pleiotropic cytokine that has a fundamental role in modulating inflammation and in maintaining cell homeostasis. It primarily acts as an anti-inflammatory cytokine, protecting the body from an uncontrolled immune response, mostly through the Jak1/Tyk2 and STAT3 signaling pathway. On the other hand, IL-10 can also have immunostimulating functions under certain conditions. Given the pivotal role of IL-10 in immune modulation, this cytokine could have relevant implications in pathologies characterized by hyperinflammatory state, such as cancer, or infectious diseases as in the case of COVID-19 and Post-COVID-19 syndrome. Recent evidence proposed IL-10 as a predictor of severity and mortality for patients with acute or post-acute SARS-CoV-2 infection. In this context, IL-10 can act as an endogenous danger signal, released by tissues undergoing damage in an attempt to protect the organism from harmful hyperinflammation. Pharmacological strategies aimed to potentiate or restore IL-10 immunomodulatory action may represent novel promising avenues to counteract cytokine storm arising from hyperinflammation and effectively mitigate severe complications. Natural bioactive compounds, derived from terrestrial or marine photosynthetic organisms and able to increase IL-10 expression, could represent a useful prevention strategy to curb inflammation through IL-10 elevation and will be discussed here. However, the multifaceted nature of IL-10 has to be taken into account in the attempts to modulate its levels.
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Affiliation(s)
- Valentina Carlini
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), MultiMedica, Milan, Italy
| | - Douglas M. Noonan
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), MultiMedica, Milan, Italy
- Department of Biotechnology and Life Sciences, University of Insubria, Varese, Italy
| | - Eslam Abdalalem
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), MultiMedica, Milan, Italy
| | - Delia Goletti
- Translational Research Unit, National Institute for Infectious Diseases Lazzaro Spallanzani- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), Rome, Italy
| | - Clementina Sansone
- Stazione Zoologica Anton Dohrn, Istituto Nazionale di Biologia, Ecologia e Biotecnologie Marine, Napoli, Italy
| | - Luana Calabrone
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS), MultiMedica, Milan, Italy
| | - Adriana Albini
- Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) European Institute of Oncology IEO-, Milan, Italy
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Malaina I, Gonzalez-Melero L, Martínez L, Salvador A, Sanchez-Diez A, Asumendi A, Margareto J, Carrasco-Pujante J, Legarreta L, García MA, Pérez-Pinilla MB, Izu R, Martínez de la Fuente I, Igartua M, Alonso S, Hernandez RM, Boyano MD. Computational and Experimental Evaluation of the Immune Response of Neoantigens for Personalized Vaccine Design. Int J Mol Sci 2023; 24:ijms24109024. [PMID: 37240369 DOI: 10.3390/ijms24109024] [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: 04/04/2023] [Revised: 05/16/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
In the last few years, the importance of neoantigens in the development of personalized antitumor vaccines has increased remarkably. In order to study whether bioinformatic tools are effective in detecting neoantigens that generate an immune response, DNA samples from patients with cutaneous melanoma in different stages were obtained, resulting in a total of 6048 potential neoantigens gathered. Thereafter, the immunological responses generated by some of those neoantigens ex vivo were tested, using a vaccine designed by a new optimization approach and encapsulated in nanoparticles. Our bioinformatic analysis indicated that no differences were found between the number of neoantigens and that of non-mutated sequences detected as potential binders by IEDB tools. However, those tools were able to highlight neoantigens over non-mutated peptides in HLA-II recognition (p-value 0.03). However, neither HLA-I binding affinity (p-value 0.08) nor Class I immunogenicity values (p-value 0.96) indicated significant differences for the latter parameters. Subsequently, the new vaccine, using aggregative functions and combinatorial optimization, was designed. The six best neoantigens were selected and formulated into two nanoparticles, with which the immune response ex vivo was evaluated, demonstrating a specific activation of the immune response. This study reinforces the use of bioinformatic tools in vaccine development, as their usefulness is proven both in silico and ex vivo.
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Affiliation(s)
- Iker Malaina
- Department of Mathematics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Lorena Gonzalez-Melero
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Bioaraba, NanoBioCel Research Group, 01009 Vitoria-Gasteiz, Spain
| | - Luis Martínez
- Department of Mathematics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Luis Martínez, Basque Center for Applied Mathematics BCAM, 48009 Bilbao, Spain
| | - Aiala Salvador
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Bioaraba, NanoBioCel Research Group, 01009 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). Institute of Health Carlos III, 28029 Madrid, Spain
| | - Ana Sanchez-Diez
- Department of Dermatology, Basurto University Hospital, 48013 Bilbao, Spain
- Biocruces Bizkaia Health Research Institute, 48903 Barakaldo, Spain
| | - Aintzane Asumendi
- Biocruces Bizkaia Health Research Institute, 48903 Barakaldo, Spain
- Department of Cell Biology and Histology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Javier Margareto
- Technological Services Division, Health and Quality of Life, TECNALIA, 01510 Miñano, Spain
| | - Jose Carrasco-Pujante
- Department of Mathematics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Luis Martínez, Basque Center for Applied Mathematics BCAM, 48009 Bilbao, Spain
| | - Leire Legarreta
- Department of Mathematics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Luis Martínez, Basque Center for Applied Mathematics BCAM, 48009 Bilbao, Spain
| | - María Asunción García
- Department of Mathematics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Luis Martínez, Basque Center for Applied Mathematics BCAM, 48009 Bilbao, Spain
| | - Martín Blas Pérez-Pinilla
- Department of Mathematics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Luis Martínez, Basque Center for Applied Mathematics BCAM, 48009 Bilbao, Spain
| | - Rosa Izu
- Department of Dermatology, Basurto University Hospital, 48013 Bilbao, Spain
- Biocruces Bizkaia Health Research Institute, 48903 Barakaldo, Spain
| | - Ildefonso Martínez de la Fuente
- Department of Mathematics, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- Luis Martínez, Basque Center for Applied Mathematics BCAM, 48009 Bilbao, Spain
- CEBAS-CSIC Institute, Department of Nutrition, 30100 Murcia, Spain
| | - Manoli Igartua
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Bioaraba, NanoBioCel Research Group, 01009 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). Institute of Health Carlos III, 28029 Madrid, Spain
| | - Santos Alonso
- Department of Genetics, Physical Anthropology and Animal Physiology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Rosa Maria Hernandez
- NanoBioCel Research Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
- Bioaraba, NanoBioCel Research Group, 01009 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). Institute of Health Carlos III, 28029 Madrid, Spain
| | - María Dolores Boyano
- Biocruces Bizkaia Health Research Institute, 48903 Barakaldo, Spain
- Department of Cell Biology and Histology, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
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Yadagiri G, Singh A, Arora K, Mudavath SL. Immunotherapy and immunochemotherapy in combating visceral leishmaniasis. Front Med (Lausanne) 2023; 10:1096458. [PMID: 37265481 PMCID: PMC10229823 DOI: 10.3389/fmed.2023.1096458] [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: 11/12/2022] [Accepted: 04/14/2023] [Indexed: 06/03/2023] Open
Abstract
Visceral leishmaniasis (VL), a vector-borne disease, is caused by an obligate intramacrophage, kinetoplastid protozoan parasite of the genus Leishmania. Globally, VL is construed of diversity and complexity concerned with high fatality in tropics, subtropics, and Mediterranean regions with ~50,000-90,000 new cases annually. Factors such as the unavailability of licensed vaccine(s), insubstantial measures to control vectors, and unrestrained surge of drug-resistant parasites and HIV-VL co-infections lead to difficulty in VL treatment and control. Furthermore, VL treatment, which encompasses several problems including limited efficacy, emanation of drug-resistant parasites, exorbitant therapy, and exigency of hospitalization until the completion of treatment, further exacerbates disease severity. Therefore, there is an urgent need for the development of safe and efficacious therapies to control and eliminate this devastating disease. In such a scenario, biotherapy/immunotherapy against VL can become an alternative strategy with limited side effects and no or nominal chance of drug resistance. An extensive understanding of pathogenesis and immunological events that ensue during VL infection is vital for the development of immunotherapeutic strategies against VL. Immunotherapy alone or in combination with standard anti-leishmanial chemotherapeutic agents (immunochemotherapy) has shown better therapeutic outcomes in preclinical studies. This review extensively addresses VL treatment with an emphasis on immunotherapy or immunochemotherapeutic strategies to improve therapeutic outcomes as an alternative to conventional chemotherapy.
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Affiliation(s)
- Ganesh Yadagiri
- Infectious Disease Biology Laboratory, Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH, United States
| | - Aakriti Singh
- Infectious Disease Biology Laboratory, Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Kanika Arora
- Infectious Disease Biology Laboratory, Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
| | - Shyam Lal Mudavath
- Infectious Disease Biology Laboratory, Chemical Biology Unit, Institute of Nano Science and Technology, Mohali, Punjab, India
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30
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Majewska-Szczepanik M, Strzępa A, Marcińska K, Szczepanik M. Epicutaneous immunization with TNP-Ig antigen induces CD11c +IL-10 + dendritic cells that promote suppression of Th1-mediated contact hypersensitivity in humanized HLA-DR4 transgenic mice. Int Immunopharmacol 2023; 119:110281. [PMID: 37156033 DOI: 10.1016/j.intimp.2023.110281] [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: 03/16/2023] [Revised: 04/25/2023] [Accepted: 05/01/2023] [Indexed: 05/10/2023]
Abstract
The contact hypersensitivity response (CHS) is a mouse model of allergic contact dermatitis in humans. The reaction is classified as type IV hypersensitivity and underlies many autoimmune disorders. Experiments employing the CHS model in wild-type mice showed that the protein antigen applied to the skin in the form of a gauze patch one week before the induction of Th1-dependent CHS was an effective strategy to reduce the inflammatory response in the skin. The approach of epicutaneous (EC) immunization also effectively suppressed the inflammatory response in various mouse models of autoimmune diseases. To evaluate the potential of EC immunization to suppress T cell-dependent immune response in humans, we used HLA-DR4 tg mice, which express the human DRB1*0401 allele and lack all endogenous mouse MHC class II genes. Our data show that EC immunization with TNP-conjugated protein antigen followed by induction of CHS to trinitrochlorobenzene (TNCB), effectively suppressed the CHS response as described by ear swelling, MPO activity in ear extracts, and the number of TCRβ+CD4+IFN-γ+ CHS T-effector cells in auxiliary and inguinal lymph nodes (ALN) and spleen (SPL) of HLA-DR4 tg mice. EC-induced suppression increases the frequency of CD11c+IL-10+ DCs in SPL. Their immunoregulatory role was confirmed by s.c. immunization with TNP-CD11c+DCs prior to CHS elicitation and induction. Our data in HLA-DR4 tg mice show that EC protein immunization induces IL-10-producing DCs, which suppress the development of CD4+IFN-γ+ T cell-dependent CHS, implying that EC protein immunization could be of therapeutic importance for T cell-mediated diseases in humans.
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Affiliation(s)
- Monika Majewska-Szczepanik
- Department of Medical Physiology, Chair of Biomedical Sciences, Faculty of Health Sciences, Institute of Physiotherapy, Jagiellonian University Medical College, ul. Michalowskiego 12, 33-332 Krakow, Poland.
| | - Anna Strzępa
- Chair of Biomedical Sciences, Faculty of Health Sciences, Institute of Physiotherapy, Jagiellonian University Medical College, ul. Kopernika 7A, 31-034 Krakow, Poland
| | - Katarzyna Marcińska
- Chair of Biomedical Sciences, Faculty of Health Sciences, Institute of Physiotherapy, Jagiellonian University Medical College, ul. Kopernika 7A, 31-034 Krakow, Poland
| | - Marian Szczepanik
- Chair of Biomedical Sciences, Faculty of Health Sciences, Institute of Physiotherapy, Jagiellonian University Medical College, ul. Kopernika 7A, 31-034 Krakow, Poland.
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31
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Arnolds KL, Yamada E, Neff CP, Schneider JM, Palmer BE, Lozupone CA. Disruption of Genes Encoding Putative Zwitterionic Capsular Polysaccharides of Diverse Intestinal Bacteroides Reduces the Induction of Host Anti-Inflammatory Factors. MICROBIAL ECOLOGY 2023; 85:1620-1629. [PMID: 35596750 PMCID: PMC10167101 DOI: 10.1007/s00248-022-02037-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 05/08/2022] [Indexed: 05/10/2023]
Abstract
Bacterial zwitterionic capsular polysaccharides (ZPS), such as polysaccharide A (PSA) of the intestinal commensal Bacteroides fragilis, have been shown to modulate T cells, including inducing anti-inflammatory IL-10-secreting T regulatory cells (Tregs). We previously used a genomic screen to identify diverse host-associated bacteria with the predicted genetic capacity to produce ZPSs related to PSA of B. fragilis and hypothesized that genetic disruption (KO) of a key functional gene within these operons would reduce the anti-inflammatory activity of these bacteria. We found that ZPS-KO bacteria in two common gut commensals, Bacteroides uniformis and Bacteroides cellulosilyticus, had a reduced ability to induce Tregs and IL-10 in stimulations of human peripheral blood mononuclear cells (PBMCs). Additionally, we found that macrophage stimulated with either wildtype B. fragilis or B. uniformis produced significantly more IL-10 than KOs, indicating a potentially novel function of ZPS of shifting the cytokine response in macrophages to a more anti-inflammatory state. These findings support the hypothesis that these related ZPS may represent a shared strategy to modulate host immune responses.
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Affiliation(s)
- Kathleen L Arnolds
- Department of Immunology and Microbiology, University of Colorado Anschutz, Aurora, CO, USA
| | - Eiko Yamada
- Department of Medicine, University of Colorado Anschutz, Aurora, CO, USA
| | - C Preston Neff
- Department of Medicine, University of Colorado Anschutz, Aurora, CO, USA
| | | | - Brent E Palmer
- Department of Medicine, University of Colorado Anschutz, Aurora, CO, USA
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Yamamoto-Hanada K, Sato M, Toyokuni K, Irahara M, Hiraide-Kotaki E, Harima-Mizusawa N, Morita H, Matsumoto K, Ohya Y. Combination of heat-killed Lactiplantibacillus plantarum YIT 0132 (LP0132) and oral immunotherapy in cow's milk allergy: a randomised controlled trial. Benef Microbes 2023; 14:17-30. [PMID: 36815492 DOI: 10.3920/bm2022.0064] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Abstract
Safer and more effective cow milk (CM)-oral immunotherapy that does not induce allergic reactions has not yet been standardised. We sought to explore the efficacy and feasibility of a combination of heat-killed Lactiplantibacillus plantarum YIT 0132 (LP0132) and oral immunotherapy for treating IgE-mediated cow milk allergy (CMA). We conducted a 24-week, double-blind, randomised (1:1), two-arm, parallel-group, placebo-controlled, phase 2 trial of LP0132 intervention for treating IgE-mediated CMA in children aged 1-18 years (n=60) from January 29, 2018 to July 12, 2019 in Tokyo, Japan. Participants were randomly assigned to the LP0132 group receiving citrus juice fermented with LP0132 or to the control group receiving citrus juice without. Both groups received low-dose slow oral immunotherapy with CM. The primary outcome was improved tolerance to CM, proven by the CM challenge test at 24 weeks. Secondary outcomes were changes in serum biomarkers of serum-specific β-lactoglobulin-IgE (sIgE) and β-lactoglobulin-IgG4 (sIgG4). Exploratory outcomes included changes in serum cytokine levels and gut microbiota composition. A total of 61 participants were included. Finally, 31 children were assigned to the LP0132 group and 30 to the control group, respectively. After the intervention, 41.4 and 37.9% of the participants in the LP0132 and control groups, respectively, showed improved tolerance to CM. In serum biomarkers after the intervention, the sIgG4 level was significantly higher, and interleukin (IL)-5 and IL-9 were significantly lower, in the LP0132 group than in the control group. In the gut microbiome, the α-diversity and Lachnospiraceae increased significantly in the LP0132 group, and Lachnospiraceae after the intervention was significantly higher in the LP0132 group than in the control group. In conclusion, low-dose oral immunotherapy with modulating gut microbiota might be a safer and more effective approach for treating cow's milk allergy.
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Affiliation(s)
- K Yamamoto-Hanada
- Allergy Center, National Center for Child Health and Development, 2-10-1 Okura, 1578535 Tokyo, Japan
| | - M Sato
- Allergy Center, National Center for Child Health and Development, 2-10-1 Okura, 1578535 Tokyo, Japan
| | - K Toyokuni
- Allergy Center, National Center for Child Health and Development, 2-10-1 Okura, 1578535 Tokyo, Japan
| | - M Irahara
- Allergy Center, National Center for Child Health and Development, 2-10-1 Okura, 1578535 Tokyo, Japan
| | - E Hiraide-Kotaki
- Yakult Central Institute for Microbiological Research, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - N Harima-Mizusawa
- Yakult Central Institute for Microbiological Research, 5-11 Izumi, Kunitachi, Tokyo 186-8650, Japan
| | - H Morita
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, 2-10-1 Okura, 1578535 Tokyo, Japan
| | - K Matsumoto
- Department of Allergy and Clinical Immunology, National Research Institute for Child Health and Development, 2-10-1 Okura, 1578535 Tokyo, Japan
| | - Y Ohya
- Allergy Center, National Center for Child Health and Development, 2-10-1 Okura, 1578535 Tokyo, Japan
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Liang X, Li X, Jin Y, Wang Y, Wei C, Zhu Z. Effect of Aerobic Exercise on Intestinal Microbiota with Amino Acids and Short-Chain Fatty Acids in Methamphetamine-Induced Mice. Metabolites 2023; 13:metabo13030361. [PMID: 36984800 PMCID: PMC10055719 DOI: 10.3390/metabo13030361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/19/2023] [Accepted: 02/24/2023] [Indexed: 03/04/2023] Open
Abstract
This study aimed to investigate the changes in intestinal homeostasis and metabolism in mice after methamphetamine (MA) administration and exercise intervention. In this study, male C57BL/B6J mice were selected to establish a model of methamphetamine-induced addiction, and the gut microbiota composition, short-chain fatty acids (SCFAs), and amino acid levels were assessed by 16S rRNA, liquid chromatography–tandem mass spectrometry, and gas chromatography–tandem mass spectrometry, respectively. The results showed that 23 dominant microbiota, 12 amino acids, and 1 SCFA were remarkably higher and 9 amino acids and 6 SCFAs were remarkably lower in the exercise model group than in the control group. Among the top 10 markers with opposite trends between the exercise intervention group and model group, the differential microbiomes included Oscillibacter, Alloprevotella, Colidextribacter, Faecalibaculum, Uncultured, Muribaculaceae, and Negativibacillus; amino acids included proline; and SCFAs included isovaleric acid and pentanoic acid. Proline was negatively correlated with Negativibacillus and positively correlated with pentanoic acid. The results suggested that moderate-intensity aerobic exercise may modulate changes in the composition of the gut microbiota and the levels of amino acids and SCFAs induced by MA administration.
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Affiliation(s)
- Xin Liang
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
| | - Xue Li
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
- Correspondence: ; Tel.: +86-135-5014-6822
| | - Yu Jin
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
| | - Yi Wang
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
| | - Changling Wei
- Department of Epidemiology and Population Health, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Zhicheng Zhu
- School of Sports Medicine and Health, Chengdu Sport University, Chengdu 610041, China
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Martín-Nares E, Hernández-Molina G, Priego-Ranero ÁA, Chan-Campos I, Herrera-Noguera GS, López-Verdugo F, Furuzawa-Carballeda J. Peripheral Immunophenotype in IgG4-Related Disease and Its Association with Clinical Phenotypes and Disease Activity. Cells 2023; 12:cells12040670. [PMID: 36831337 PMCID: PMC9954418 DOI: 10.3390/cells12040670] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 01/19/2023] [Accepted: 02/13/2023] [Indexed: 02/22/2023] Open
Abstract
Diverse immune cell subsets have been described in IgG4-related disease (IgG4-RD). If there is a different immunophenotype according to clinical phenotype and activity status is not known. Levels of IL-4-, IL-13-, IL-5-, and IL-21-producing CD4+ T cells (Th2 subsets), CD4+ cytotoxic T lymphocytes (CD4+CTLs), T helper 9 cells, T follicular helper cells (Tfh; Tfh1/Tfh2/Tfh17/Tf regulatory [Tfr]), Foxp3+ regulatory T cells, Type 1 regulatory T cells (Tr1), T helper 3 regulatory cells (Th3), IL-10-producing regulatory B cells (Bregs), IL-10-expressing regulatory plasmacytoid dendritic (pDC IL-10+) cells, and M1 and M2 monocytes were determined by flow cytometry in 43 IgG4-RD patients and 12 controls. All immune subsets were higher in patients vs. controls. CD4+/IL-4+, CD4+/IL-5+, CD4+CTLs, Tfh2, Tfh17, Tfr, and M1 monocyte cell number was different among IgG4-RD clinical phenotypes. The pancreato-hepato-biliary phenotype was characterized by a higher CD4+CTLs, Tfh17, Tfh2, and Tfr and lower M1 cell number. An increased CD4+CTLs and Th3 cell number distinguished the head and neck-limited phenotype, while the retroperitoneal/aortic and Mikulicz/systemic phenotypes were characterized by increased Th2 subsets. Tfh17, Tr1, Th3, pDC, M1, and M2 monocytes were augmented in active patients. In summary, the clinical heterogeneity of IgG4-RD might be driven by the participation of different immunophenotypes and, consequently, by a different fibroinflammatory process.
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Affiliation(s)
- Eduardo Martín-Nares
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
| | - Gabriela Hernández-Molina
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
| | - Ángel A. Priego-Ranero
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
| | - Isela Chan-Campos
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
| | - Gladys S. Herrera-Noguera
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
| | - Fidel López-Verdugo
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
| | - Janette Furuzawa-Carballeda
- Department of Immunology and Rheumatology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
- Department of Experimental Surgery, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, Vasco de Quiroga 15, Col. Belisario Dominguez Sección XVI, Mexico City 14080, Mexico
- Correspondence: ; Tel.: +52-555-487-0900
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Liu H, Li JF, Zhang LM, Wang HH, Wang XQ, Liu GQ, Du HB, Jin YJ, Xing LQ, Zhao ZG, Niu CY. POSTHEMORRHAGIC SHOCK MESENTERIC LYMPH IMPAIRS SPLENIC DENDRITIC CELL FUNCTION IN MICE. Shock 2023; 59:256-266. [PMID: 36427100 DOI: 10.1097/shk.0000000000002056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Dendritic cell (DC)-mediated immune dysfunction is involved in the process of severe hemorrhagic shock that leads to sepsis. Although post-hemorrhagic shock mesenteric lymph (PHSML) induces immune organs injuries and apoptosis, whether PHSML exerts adverse effects on splenic DCs remains unknown. In this study, we established a hemorrhagic shock model (40 ± 2 mm Hg for 60 min) followed by fluid resuscitation with the shed blood and equal Ringer's solution and drained the PHSML after resuscitation. At 3 h after resuscitation, we harvested the splenic tissue to isolate DCs using anti-CD11c immunomagnetic beads and then detected the necrotic and apoptotic rates in splenocytes and splenic DCs. We also detected the levels of TNF-α, IL-10, and IL-12 in the culture supernatants and surface marker expressions of MHC-II, CD80, and CD86 of splenic DCs following LPS stimulation for 24 h. Second, we purified the DCs from splenocytes of normal mice to investigate the effects of PHSML treatment on cytokine production and surface marker expression following LPS stimulation. The results showed that PHSML drainage attenuated LPS-induced cell death of splenocytes and DCs. Meanwhile, PHSML drainage enhanced the DC percentage in splenocytes and increased the TNF-α and IL-12 production by DCs and the expressions of CD80, CD86, and MHCII of DCs treated by LPS. Furthermore, PHSML treatment reduced the productions of TNF-α, IL-10, and IL-12 and the expressions of CD80 and CD86 in normal DCs after treatment with LPS. In summary, the current investigation demonstrated that PHSML inhibited the cytokine production and surface marker expressions of DCs stimulated by LPS, suggesting that PHSML plays an important role in hemorrhagic shock-induced immunosuppression through the impairment of DC function and maturation.
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Affiliation(s)
- Hua Liu
- Institute of Microcirculation, Hebei North University, Zhangjiakou, Hebei, China
| | | | | | | | - Xu-Qing Wang
- Institute of Microcirculation, Hebei North University, Zhangjiakou, Hebei, China
| | - Gui-Qing Liu
- Institute of Microcirculation, Hebei North University, Zhangjiakou, Hebei, China
| | | | | | - Li-Qiang Xing
- Institute of Microcirculation, Hebei North University, Zhangjiakou, Hebei, China
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Gunne S, Schwerdtner M, Henke M, Schneider AK, Keutmann L, Böttcher-Friebertshäuser E, Schiffmann S. TMPRSS2 Impacts Cytokine Expression in Murine Dendritic Cells. Biomedicines 2023; 11:biomedicines11020419. [PMID: 36830955 PMCID: PMC9952936 DOI: 10.3390/biomedicines11020419] [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: 12/16/2022] [Revised: 01/24/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The transmembrane protease serine 2 (TMPRSS2) proteolytically activates the envelope proteins of several viruses for viral entry via membrane fusion and is therefore an interesting and promising target for the development of broad-spectrum antivirals. However, the use of a host protein as a target may lead to potential side effects, especially on the immune system. We examined the effect of a genetic deletion of TMPRSS2 on dendritic cells. METHODS Bone marrow cells from wild-type (WT) and TMPRSS2-deficient mice (TMPRSS2-/-) were differentiated to plasmacytoid dendritic cells (pDCs) and classical DCs (cDCs) and activated with various toll-like receptor (TLR) agonists. We analyzed the released cytokines and the mRNA expression of chemokine receptors, TLR7, TLR9, IRF7 and TCF4 stimulation. RESULTS In cDCs, the lack of TMPRSS2 led to an increase in IL12 and IFNγ in TLR7/8 agonist resiquimod or TLR 9 agonist ODN 1668-activated cells. Only IL-10 was reduced in TMPRSS2-/- cells in comparison to WT cells activated with ODN 1668. In resiquimod-activated pDCs, the lack of TMPRSS2 led to a decrease in IL-6, IL-10 and INFγ. ODN 1668 activation led to a reduction in IFNα. The effect on receptor expression in pDCs and cDCs was low. CONCLUSION The effect of TMPRSS2 on pDCS and cDCs depends on the activated TLR, and TMPRSS2 seems to affect cytokine release differently in pDCs and cDCs. In cDCs, TMPRSS2 seems to suppress cytokine release, whereas in pDCS TMPRSS2 possibly mediates cytokine release.
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Affiliation(s)
- Sandra Gunne
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
- Correspondence: ; Tel.: +49-69870025073
| | - Marie Schwerdtner
- Institute of Virology, Philipps-University Marburg, 35043 Marburg, Germany
| | - Marina Henke
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Ann-Kathrin Schneider
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | - Lucas Keutmann
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
| | | | - Susanne Schiffmann
- Fraunhofer Institute for Translational Medicine and Pharmacology (ITMP), Theodor-Stern-Kai 7, 60596 Frankfurt am Main, Germany
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Fernandes AMS, da Silva ES, Silveira EF, Belitardo EMMDA, Santiago LF, Silva RC, Dos Santos Alves V, Carneiro DM, Ferreira F, Jacquet A, Pacheco LGC, Alcantara-Neves NM, Pinheiro CS. Recombinant T-cell epitope conjugation: A new approach for Dermatophagoides hypoallergen design. Clin Exp Allergy 2023; 53:198-209. [PMID: 36176209 DOI: 10.1111/cea.14238] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 09/15/2022] [Accepted: 09/25/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND Allergen-specific immunotherapy (AIT) is the only clinical approach that can potentially cure some allergic diseases by inducing immunological tolerance. Dermatophagoides pteronyssinus is considered as the most important source of mite allergens worldwide, with high sensitization rates for the major allergens Der p 1, Der p 2 and Der p 23. The aim of this work is to generate a hypoallergenic hybrid molecule containing T-cell epitopes from these three major allergens. METHODS The hybrid protein termed Der p 2231 containing T-cell epitopes was purified by affinity chromatography. The human IgE reactivity was verified by comparing those with the parental allergens. The hybrid was also characterized immunologically through an in vivo mice model. RESULTS The hybrid rDer p 2231 stimulated in peripheral blood mononuclear cells (PBMCs) isolated from allergic patients with higher levels of IL- 2, IL-10, IL-15 and IFN-γ, as well as lower levels of IL-4, IL-5, IL-13, TNF-α and GM-CSF. The use of hybrid molecules as a therapeutic model in D. pteronyssinus allergic mice led to the reduction of IgE production and lower eosinophilic peroxidase activity in the airways. We found increased levels of IgG antibodies that blocked the IgE binding to the parental allergens in the serum of allergic patients. Furthermore, the stimulation of splenocytes from mice treated with rDer p 2231 induced higher levels of IL-10 and IFN-γ and decreased the secretion of IL-4 and IL-5, when compared with parental allergens and D. pteronyssinus extract. CONCLUSIONS rDer p 2231 has the potential to be used in AIT in patients co-sensitized with D. pteronyssinus major allergens, once it was able to reduce IgE production, inducing allergen-specific blocking antibodies, restoring and balancing Th1/Th2 immune responses, and inducing regulatory T-cells.
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Affiliation(s)
- Antônio Márcio Santana Fernandes
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil.,Programas de Pós-Graduação em Biotecnologia da Universidade Federal da Bahia, Salvador, Brazil
| | - Eduardo Santos da Silva
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Elisânia Fontes Silveira
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | | | - Leonardo Freire Santiago
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Raphael Chagas Silva
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Vitor Dos Santos Alves
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Deise Malta Carneiro
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil
| | - Fatima Ferreira
- Department of Biosciences and Medical Biology, University of Salzburg, Salzburg, Austria
| | - Alain Jacquet
- Department of Biochemistry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Luis Gustavo Carvalho Pacheco
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil.,Programas de Pós-Graduação em Biotecnologia da Universidade Federal da Bahia, Salvador, Brazil
| | - Neuza Maria Alcantara-Neves
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil.,Programas de Pós-Graduação em Biotecnologia da Universidade Federal da Bahia, Salvador, Brazil
| | - Carina Silva Pinheiro
- Laboratório de Alergia e Acarologia, Departamento de Ciências da Biointeração, Instituto de Ciências da Saúde, Universidade Federal da Bahia, Salvador, Brazil.,Programas de Pós-Graduação em Biotecnologia da Universidade Federal da Bahia, Salvador, Brazil
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Zhang T, Zhao S, Dong F, Jia Y, Chen X, Sun Y, Zhu L. Novel Insight into the Mechanisms of Neurotoxicity Induced by 6:6 PFPiA through Disturbing the Gut-Brain Axis. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:1028-1038. [PMID: 36594808 DOI: 10.1021/acs.est.2c04765] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
As alternatives to traditional per- and polyfluoroalkyl substances, perfluoroalkyl phosphonic acids (PFPiAs) are frequently detected in aquatic environments, but the neurotoxic effects and underlying mechanisms remain unclear. In this study, male zebrafish were exposed to 6:6 PFPiA (1 and 10 nM) for 28 days, which exhibited anxiety-like symptoms. Gut microbiome results indicated that 6:6 PFPiA significantly increased the abundance of Gram-negative bacteria, leading to enhanced levels of lipopolysaccharide (LPS) and inflammation in the gut. The LPS was delivered to the brain through the gut-brain axis (GBA), damaged the blood-brain barrier (BBB), stimulated neuroinflammation, and caused apoptosis as well as neural injury in the brain. This mechanism was verified by the fact that antibiotics reduced the LPS levels in the gut and brain, accompanied by reduced inflammatory responses and anxiety-like behavior. The BBB damage also resulted in the enhanced accumulation of 6:6 PFPiA in the brain, where it might bind strongly with and activate aryl hydrocarbon receptor (AhR) to induce brain inflammation directly. Additionally, as the fish received treatment with an inhibitor of AhR, the inflammation response and anxiety-like behavior decreased distinctly. This study sheds light on the new mechanisms of neurotoxicity-induced 6:6 PFPiA due to the interruption on GBA.
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Affiliation(s)
- Tianxu Zhang
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Sujuan Zhao
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
- School of Public Health, Anhui Medical University, Hefei 230032, P.R. China
| | - Fengfeng Dong
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Yibo Jia
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Xin Chen
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Yumeng Sun
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
| | - Lingyan Zhu
- Key Laboratory of Pollution Processes and Environmental Criteria, Ministry of Education, Tianjin Key Laboratory of Environmental Remediation and Pollution Control, College of Environmental Science and Engineering, Nankai University, Tianjin 300350, P.R. China
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39
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Liu M, Thijssen S, Hennink WE, Garssen J, van Nostrum CF, Willemsen LM. Oral pretreatment with β-lactoglobulin derived peptide and CpG co-encapsulated in PLGA nanoparticles prior to sensitizations attenuates cow's milk allergy development in mice. Front Immunol 2023; 13:1053107. [PMID: 36703973 PMCID: PMC9872660 DOI: 10.3389/fimmu.2022.1053107] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023] Open
Abstract
Cow's milk allergy is a common food allergy among infants. Improved hygiene conditions and loss of microbial diversity are associated with increased risk of allergy development. The intestinal immune system is essential for oral tolerance induction. In this respect, bacterial CpG DNA is known to drive Th1 and regulatory T-cell (Treg) development via Toll-Like-Receptor 9 (TLR-9) signaling, skewing away from the allergic Th2 phenotype. We aimed to induce allergen specific tolerance via oral delivery of poly (lactic-co-glycolic acid) nanoparticles (NP) co-encapsulated with a selected β-lactoglobulin derived peptide (BLG-Pep) and TLR-9 ligand CpG oligodeoxynucleotide (CpG). In vivo, 3-4-week-old female C3H/HeOuJ mice housed in individually ventilated cages received 6-consecutive-daily gavages of either PBS, whey, BLG-Pep/NP, CpG/NP, a mixture of BLG-Pep/NP plus CpG/NP or co-encapsulated BLG-Pep+CpG/NP, before 5-weekly oral sensitizations with whey plus cholera toxin (CT) or only CT (sham) and were challenged with whey 5 days after the last sensitization. The co-encapsulated BLG-Pep+CpG/NP pretreatment, but not BLG-Pep/NP, CpG/NP or the mixture of BLG-Pep/NP plus CpG/NP, prevented the whey-induced allergic skin reactivity and prevented rise in serum BLG-specific IgE compared to whey-sensitized mice. Importantly, co-encapsulated BLG-Pep+CpG/NP pretreatment reduced dendritic cell (DC) activation and lowered the frequencies of PD-L1+ DC in the mesenteric lymph nodes compared to whey-sensitized mice. By contrast, co-encapsulated BLG-Pep+CpG/NP pretreatment increased the frequency of splenic PD-L1+ DC compared to the BLG-Pep/NP plus CpG/NP recipients, in association with lower Th2 development and increased Treg/Th2 and Th1/Th2 ratios in the spleen. Oral administration of PLGA NP co-encapsulated with BLG-Pep and CpG prevented rise in serum BLG-specific IgE and symptom development while lowering splenic Th2 cell frequency in these mice which were kept under strict hygienic conditions.
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Affiliation(s)
- Mengshan Liu
- Division of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands,Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Suzan Thijssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Wim E. Hennink
- Division of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Johan Garssen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands,Department of Immunology, Nutricia Research B.V., Utrecht, Netherlands
| | - Cornelus F. van Nostrum
- Division of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Linette E. M. Willemsen
- Division of Pharmacology, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands,*Correspondence: Linette E. M. Willemsen,
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Zhao J, Yu L, Xue X, Xu Y, Huang T, Xu D, Wang Z, Luo L, Wang H. Diminished α7 nicotinic acetylcholine receptor (α7nAChR) rescues amyloid-β induced atrial remodeling by oxi-CaMKII/MAPK/AP-1 axis-mediated mitochondrial oxidative stress. Redox Biol 2023; 59:102594. [PMID: 36603528 PMCID: PMC9813735 DOI: 10.1016/j.redox.2022.102594] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 10/15/2022] [Accepted: 12/28/2022] [Indexed: 01/04/2023] Open
Abstract
The potential coexistence of Alzheimer's disease (AD) and atrial fibrillation (AF) is increasingly common as aging-related diseases. However, little is known about mechanisms responsible for atrial remodeling in AD pathogenesis. α7 nicotinic acetylcholine receptors (α7nAChR) has been shown to have profound effects on mitochondrial oxidative stress in both organ diseases. Here, we investigate the role of α7nAChR in mediating the effects of amyloid-β (Aβ) in cultured mouse atrial cardiomyocytes (HL-1 cells) and AD model mice (APP/PS1). In vitro, apoptosis, oxidative stress and mitochondrial dysfunction induced by Aβ long-term (72h) in HL-1 cells were prevented by α-Bungarotoxin(α-BTX), an antagonist of α7nAChR. This cardioprotective effect was due to reinstating Ca2+ mishandling by decreasing the activation of CaMKII and MAPK signaling pathway, especially the oxidation of CaMKII (oxi-CaMKII). In vivo studies demonstrated that targeting knockdown of α7nAChR in cardiomyocytes could ameliorate AF progression in late-stage (12 months) APP/PS1 mice. Moreover, α7nAChR deficiency in cardiomyocytes attenuated APP/PS1-mutant induced atrial remodeling characterized by reducing fibrosis, atrial dilation, conduction dysfunction, and inflammatory mediator activities via suppressing oxi-CaMKII/MAPK/AP-1. Taken together, our findings suggest that diminished α7nAChR could rescue Aβ-induced atrial remodeling through oxi-CaMKII/MAPK/AP-1-mediated mitochondrial oxidative stress in atrial cells and AD mice.
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Affiliation(s)
- Jikai Zhao
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China
| | - Liming Yu
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China
| | - Xiaodong Xue
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China
| | - Yinli Xu
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China
| | - Tao Huang
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China
| | - Dengyue Xu
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China,Postgraduate College, China Medical University, Shenyang, PR China
| | - Zhishang Wang
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China
| | - Linyu Luo
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China,Postgraduate College, Dalian Medical University, Dalian, PR China
| | - Huishan Wang
- Department of Cardiovascular Surgery, General Hospital of Northern Theater Command, No. 83, Wenhua Road, Shenhe District, Shenyang, PR China.
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41
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Irahara M, Yamamoto-Hanada K, Sato M, Saito-Abe M, Miyaji Y, Yang L, Nishizato M, Kumasaka N, Mezawa H, Ohya Y. Endotoxin concentration and persistent eczema in early childhood. J Dermatol 2022; 50:646-655. [PMID: 36578125 DOI: 10.1111/1346-8138.16686] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Revised: 11/16/2022] [Accepted: 12/05/2022] [Indexed: 12/30/2022]
Abstract
Although endotoxin concentration in the environment is negatively associated with atopic dermatitis (AD) onset in early childhood, the association between endotoxin concentration in the environment and eczema resolution in children with preexisting eczema is unclear. The aim of this study was to evaluate the association between endotoxin concentration in house dust and eczema persistence in young children. The authors used data from children participating in JECS (Japan Environment and Children's Study). In children who had AD or AD-like lesions at the age of 1 year, the authors investigated the association between the prevalence of eczema at the age of 3 years and endotoxin concentration (categorized by quartiles) in the dust on children's mattresses at the ages of 1.5 and 3 years. This study included 605 children. Eczema was significantly less prevalent among children whose mattresses were in the second and third quartiles of endotoxin concentration when they were 18 months old than among children whose mattresses were in the first quartile (adjusted odds ratio, 0.57 [95% confidence interval, 0.35-0.93] and adjusted odds ratio, 0.49 [95% confidence interval, 0.29-0.83], respectively). Moreover, of the children with eczema at age 3 years, those whose mattresses had endotoxin concentrations in the first quartile had significantly worse sleep disturbance caused by itchy rash (>1 time per week) than did those whose mattresses were in the third and fourth quartiles (20.0% vs 3.3% and 3.7%, both p values < 0.01). The findings indicate that low endotoxin exposure is associated with a higher prevalence of persistent eczema during early childhood.
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Affiliation(s)
- Makoto Irahara
- Allergy Center, National Center for Child Health and Development, Tokyo, Japan.,Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Kiwako Yamamoto-Hanada
- Allergy Center, National Center for Child Health and Development, Tokyo, Japan.,Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Miori Sato
- Allergy Center, National Center for Child Health and Development, Tokyo, Japan.,Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Mayako Saito-Abe
- Allergy Center, National Center for Child Health and Development, Tokyo, Japan.,Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Yumiko Miyaji
- Allergy Center, National Center for Child Health and Development, Tokyo, Japan.,Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Limin Yang
- Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Minaho Nishizato
- Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Natsuhiko Kumasaka
- Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Hidetohi Mezawa
- Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
| | - Yukihiro Ohya
- Allergy Center, National Center for Child Health and Development, Tokyo, Japan.,Medical Support Center for the Japan Environment and Children's Study, National Center for Child Health and Development, Tokyo, Japan
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Zhang B, Zeng M, Zhang Q, Wang R, Jia J, Cao B, Liu M, Guo P, Zhang Y, Zheng X, Feng W. Ephedrae Herba polysaccharides inhibit the inflammation of ovalbumin induced asthma by regulating Th1/Th2 and Th17/Treg cell immune imbalance. Mol Immunol 2022; 152:14-26. [DOI: 10.1016/j.molimm.2022.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Revised: 09/18/2022] [Accepted: 09/19/2022] [Indexed: 11/05/2022]
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43
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Li Y, Li Y, Xu S, Chen Y, Zhou P, Hu T, Li H, Liu Y, Xu Y, Ren J, Qiu Y, Lu C. N-Acylethanolamine acid amidase (NAAA) exacerbates psoriasis inflammation by enhancing dendritic cell (DCs) maturation. Pharmacol Res 2022; 185:106491. [DOI: 10.1016/j.phrs.2022.106491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 09/13/2022] [Accepted: 10/05/2022] [Indexed: 11/30/2022]
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44
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Yang Y, Lin Y, Xu R, Zhang Z, Zeng W, Xu Q, Deng F. Micro/Nanostructured Topography on Titanium Orchestrates Dendritic Cell Adhesion and Activation via β2 Integrin-FAK Signals. Int J Nanomedicine 2022; 17:5117-5136. [PMID: 36345509 PMCID: PMC9636866 DOI: 10.2147/ijn.s381222] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 10/06/2022] [Indexed: 11/07/2022] Open
Abstract
Background and Purpose In clinical application of dental implants, the functional state of dendritic cells (DCs) has been suggested to have a close relationship with the implant survival rate or speed of osseointegration. Although microscale surfaces have a stable osteogenesis property, they also incline to trigger unfavorable DCs activation and threaten the osseointegration process. Nanoscale structures have an advantage in regulating cell immune response through orchestrating cell adhesion, indicating the potential of hierarchical micro/nanostructured surface in regulation of DCs’ activation without sacrificing the advantage of microscale topography. Materials and Methods Two micro/nanostructures were fabricated based on microscale rough surfaces through anodization or alkali treatment, the sand-blasted and acid-etched (SA) surface served as control. The surface characteristics, in vitro and in vivo DC immune reactions and β2 integrin-FAK signal expression were systematically investigated. The DC responses to different surface topographies after FAK inhibition were also tested. Results Both micro/nano-modified surfaces exhibited unique composite structures, with higher hydrophilicity and lower roughness compared to the SA surface. The DCs showed relatively immature functional states with round morphologies and significantly downregulated β2 integrin-FAK levels on micro/nanostructures. Implant surfaces with micro/nano-topographies also triggered lower levels of DC inflammatory responses than SA surfaces in vivo. The inhibited FAK activation effectively reduced the differences in topography-caused DC activation and narrowed the differences in DC activation among the three groups. Conclusion Compared to the SA surface with solely micro-scale topography, titanium surfaces with hybrid micro/nano-topographies reduced DC inflammatory response by influencing their adhesion states. This regulatory effect was accompanied by the modulation of β2 integrin-FAK signal expression. The β2 integrin-FAK-mediated adhesion plays a critical role in topography-induced DC activation, which represents a potential target for material–cell interaction regulation.
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Affiliation(s)
- Yang Yang
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, People’s Republic of China,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
| | - Yujing Lin
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, People’s Republic of China,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
| | - Ruogu Xu
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, People’s Republic of China,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
| | - Zhengchuan Zhang
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, People’s Republic of China,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
| | - Wenyi Zeng
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, People’s Republic of China,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
| | - Qiong Xu
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, People’s Republic of China,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China,Correspondence: Qiong Xu; Feilong Deng, Department of Oral Implantology, Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-Sen University, No. 56, Ling Yuan Xi Road, Guangzhou, 510055, People’s Republic of China, Tel +86 20 83862537, Fax +86 20 83822807, Email ;
| | - Feilong Deng
- Department of Oral Implantology, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University, Guangzhou, People’s Republic of China,Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, People’s Republic of China
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45
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Fan K, Liu H, Pei Z, Brown PB, Huang Y. A study of the potential effect of dietary fishmeal replacement with cricket meal (Gryllus bimaculatus) on growth performance, blood health, liver antioxidant activities, intestinal microbiota and immune-related gene expression of juvenile channel catfish. Anim Feed Sci Technol 2022. [DOI: 10.1016/j.anifeedsci.2022.115542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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46
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Huo JL, Fu WJ, Liu ZH, Lu N, Jia XQ, Liu ZS. Research advance of natural products in tumor immunotherapy. Front Immunol 2022; 13:972345. [PMID: 36159787 PMCID: PMC9494295 DOI: 10.3389/fimmu.2022.972345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 08/18/2022] [Indexed: 12/04/2022] Open
Abstract
Cancer immunotherapy has emerged as a novel anti-tumor treatment. Despite significant breakthroughs, cancer immunotherapy remains focused on several types of tumors that are sensitive to the immune system. Therefore, effective strategies to expand its indications and improve its efficacy become key factors for the further development of cancer immunotherapy. In recent decades, the anticancer activities of natural products are reported to have this effect on cancer immunotherapy. And the mechanism is largely attributed to the remodeling of the tumor immunosuppressive microenvironment. The compelling data highlight that natural products offer an alternative method option to improve immune function in the tumor microenvironment (TME). Currently, more attention is being paid to the discovery of new potential modulators of tumor immunotherapy from natural products. In this review, we describe current advances in employing natural products and natural small-molecule drugs targeting immune cells to avoid tumor immune escape, which may bring some insight for guiding tumor treatment.
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Affiliation(s)
- Jin-Ling Huo
- Department of Integrated Traditional and Western Nephrology, the First Affiliated Hospital of Zhengzhou University, Research Institute of Nephrology, Zhengzhou University, Henan Province Research Center For Kidney Disease, Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
| | - Wen-Jia Fu
- Department of Integrated Traditional and Western Nephrology, the First Affiliated Hospital of Zhengzhou University, Research Institute of Nephrology, Zhengzhou University, Henan Province Research Center For Kidney Disease, Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
| | - Zheng-Han Liu
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, China
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, China
| | - Nan Lu
- School of Mechanical and Aerospace Engineering, Nanyang Technological University, Singapore, Singapore
- *Correspondence: Nan Lu, ; Xiang-Qian Jia, ; Zhang-Suo Liu,
| | - Xiang-Qian Jia
- Engineering Research Center of Agricultural Microbiology Technology, Ministry of Education, Heilongjiang University, Harbin, China
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, School of Life Sciences, Heilongjiang University, Harbin, China
- *Correspondence: Nan Lu, ; Xiang-Qian Jia, ; Zhang-Suo Liu,
| | - Zhang-Suo Liu
- Department of Integrated Traditional and Western Nephrology, the First Affiliated Hospital of Zhengzhou University, Research Institute of Nephrology, Zhengzhou University, Henan Province Research Center For Kidney Disease, Key Laboratory of Precision Diagnosis and Treatment for Chronic Kidney Disease in Henan Province, Zhengzhou, China
- *Correspondence: Nan Lu, ; Xiang-Qian Jia, ; Zhang-Suo Liu,
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Wang Z, Sun Y, Shen R, Tang X, Xu Y, Zhang Y, Liu Y. Global scientific trends on the immunomodulation of mesenchymal stem cells in the 21st century: A bibliometric and visualized analysis. Front Immunol 2022; 13:984984. [PMID: 36090982 PMCID: PMC9449834 DOI: 10.3389/fimmu.2022.984984] [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: 07/03/2022] [Accepted: 08/05/2022] [Indexed: 11/15/2022] Open
Abstract
Background Since the discovery of the immunomodulatory functions of mesenchymal stem cells (MSCs), their application in immunomodulation has attracted considerable attention, and an increasing number of studies have been conducted worldwide. Our research aimed to investigate the global status and trends in this field. Methods Publications on the immunomodulatory functions of MSCs from 1 January 2000 to 7 March 2022 were retrieved from the Web of Science Core Collection. The data were studied and indexed using the bibliometric methodology. Visualization analysis, co-authorship, co-occurrence analysis, and publication trends in MSC immunomodulation were conducted using the VOSviewer software. Results In total, 4,227 papers were included in the study. The number of publications and research interests has significantly increased globally. China published the highest number of related articles, while the US published articles with the highest number of citations. Stem Cell Research & Therapy had the highest number of publications. Sun Yat-sen University, Shanghai Jiao Tong University, Harvard University, and Seoul National University were the most contributive institutions. Furthermore, the studies were divided into four research hotspots for MSC immunomodulation: MSC immunomodulation in regenerative medicine, the effects and mechanisms of MSC immunomodulation, MSC therapy for immune diseases, and the cell source of MSCs. Conclusion This study indicates that the number of publications on MSC immunomodulation will increase in the future, and MSC immunomodulation mechanisms and clinical applications of MSC immunotherapy should be the next hotspots in this research field.
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Affiliation(s)
- Zhongqing Wang
- Department of Information Center, The First Hospital of China Medical University, Shenyang, China
| | - Yuqiang Sun
- Department of Emergency, The First Hospital of China Medical University, Shenyang, China
| | - Rou Shen
- Department of Pediatric Dentistry, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Xia Tang
- Department of Pediatric Dentistry, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
| | - Yingxin Xu
- Department of Information Center, The First Hospital of China Medical University, Shenyang, China
| | - Ye Zhang
- Department of Information Center, The First Hospital of China Medical University, Shenyang, China
| | - Yao Liu
- Department of Pediatric Dentistry, School and Hospital of Stomatology, China Medical University, Shenyang, China
- Liaoning Provincial Key Laboratory of Oral Diseases, Shenyang, China
- *Correspondence: Yao Liu,
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Increased Production of Inflammatory Cytokines after Inoculation with Recombinant Zoster Vaccine in Mice. Vaccines (Basel) 2022; 10:vaccines10081339. [PMID: 36016227 PMCID: PMC9413309 DOI: 10.3390/vaccines10081339] [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: 07/14/2022] [Revised: 07/31/2022] [Accepted: 08/10/2022] [Indexed: 11/19/2022] Open
Abstract
Increasing numbers of patients with zoster were reported recently, and recombinant zoster vaccine (Shingrix®) was licensed using the AS01B adjuvant system. Although it induces highly effective protection, a high incidence of local adverse events (regional pain, erythema, and swelling) has been reported with systemic reactions of fever, fatigue, and headache. To investigate the mechanism of local adverse events, cytokine profiles were investigated in mice injected with 0.1 mL of Shingrix®. Muscle tissue and serum samples were obtained on days 0, 1, 3, 5, and 7, and at 2 and 4 weeks after the first dose. The second dose was given 4 weeks after the first dose and samples were obtained on days 1, 3, 5, 7, and 14. IL-6 and G-CSF were detected in muscle tissues on day 1 of the first injection, decreased on day 3 and afterward, and enhanced production was demonstrated on day 1 of the second dose. In sera, the elevated levels of IL-6 were detected on day 1 of the first dose, and IL-10 was detected on day 1 with increased levels on day 3 of the first dose. IL-4 was detected in muscle tissue on day 1 of the second dose and IL-5 on day 1 of both the first and second doses. IFN-γ production was not enhanced in muscle tissue but increased in serum samples on day 1 of the first dose. These results in the mouse model indicate that the induction of inflammatory cytokines is related to the cause of adverse events in humans.
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He Q, Zhang W, Zhang J, Deng Y. Cannabinoid Analogue WIN 55212-2 Protects Paraquat-Induced Lung Injury and Enhances Macrophage M2 Polarization. Inflammation 2022; 45:2256-2267. [PMID: 35674874 PMCID: PMC9174632 DOI: 10.1007/s10753-022-01688-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 05/18/2022] [Accepted: 05/20/2022] [Indexed: 01/02/2023]
Abstract
WIN 55212-2 is an endocannabinoids analogue that has been reported to have anti-inflammatory and anti-fibrosis effects on different models. In this study, we investigated the protective effects of WIN 55212-2 on paraquat (PQ)-induced poison on mice especially on lung injury. Mice were administrated with different dose of PQ and thereafter treated with 0.2 mg/kg or 1 mg/kg WIN 55212-2. The survival of mice was recorded during 4 weeks of observation. Twenty-eight days after PQ treatment, the cell population and inflammatory factors IL-6, IL-10, and TNF-α were measured in bronchoalveolar lavage fluid (BALF). Pulmonary fibrosis was evaluated by Masson staining. Our results showed that WIN 55212-2 treatment reduced PQ-induced mortality of mice in a dose dependent manner. It decreased the number of inflammation-associated cells, as well as the level of pro-inflammatory factors in BALF (P < 0.05). WIN 55212-2 increased M2 cells in BALF (P < 0.05), improved the lung histology, reduced fibrosis formation, and decreased TGF-β, α-SMA and PDGFRa expression. The protective effects of WIN 55212-2 on PQ-induced lung injury and fibrosis were associated with an increase inM2 cells and increased expressions of IL-10, CD163, and CD206, suggesting that polarization of M2 macrophages may be involved in WIN 55212-2 protective effects on PQ-induced lung injury.
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Affiliation(s)
- Quan He
- Department of Emergency, the First People's Hospital of Yunnan Province,the Affiliated Hospital of Kunming University of Science and Technology, Xishan District, No.157 Jinbi Road Yunnan Province, Kunming City, China.
| | - Wen Zhang
- Department of Basic Research Institute, the First People's Hospital of Yunnan Province, the Affiliated Hospital of Kunming University of Science and Technology,Xishan District, No.157 Jinbi Road Yunnan Province, Kunming City, China
| | - Jinjuan Zhang
- Department of Basic Research Institute, the First People's Hospital of Yunnan Province, the Affiliated Hospital of Kunming University of Science and Technology,Xishan District, No.157 Jinbi Road Yunnan Province, Kunming City, China
| | - Yuanyou Deng
- Department of Emergency, the First People's Hospital of Yunnan Province,the Affiliated Hospital of Kunming University of Science and Technology, Xishan District, No.157 Jinbi Road Yunnan Province, Kunming City, China
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50
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Saber S, Alomar SY, Yahya G. Blocking prostanoid receptors switches on multiple immune responses and cascades of inflammatory signaling against larval stages in snail fever. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:43546-43555. [PMID: 35396684 PMCID: PMC9200668 DOI: 10.1007/s11356-022-20108-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 04/01/2022] [Indexed: 05/27/2023]
Abstract
Schistosomiasis, also known as snail fever or bilharziasis, is a worm infection caused by trematode called schistosomes that affects humans and animals worldwide. Schistosomiasis endemically exists in developing countries. Inflammatory responses elicited in the early phase of infection represent the rate limiting step for parasite migration and pathogenesis and could be a valuable target for therapeutic interventions. Prostaglandin E2 (PGE2) and interleukin (IL)-10 were found to be differentially affected in case of immune-modulation studies and cytokine analysis of hosts infected with either normal or radiation-attenuated parasite (RA) which switches off the development of an effective immune response against the migrating parasite in the early phase of schistosomiasis. Normal parasites induce predominantly a T helper 2 (Th2)-type cytokine response (IL-4 and IL-5) which is essential for parasite survival; here, we discuss in detail the downstream effects and cascades of inflammatory signaling of PGE2 and IL10 induced by normal parasites and the effect of blocking PGE2 receptors. We suggest that by selectively constraining the production of PGE2 during vaccination or therapy of susceptible persons or infected patients of schistosomiasis, this would boost IL-12 and reduce IL-10 production leading to a polarization toward the anti-worm Thl cytokine synthesis (IL-2 and Interferon (IFN)-γ).
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Affiliation(s)
- Sameh Saber
- Department of Pharmacology, Faculty of Pharmacy, Delta University for Science and Technology, Gamasa, Egypt
| | - Suliman Y. Alomar
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451 Saudi Arabia
| | - Galal Yahya
- Department of Microbiology and Immunology, Faculty of Pharmacy, Zagazig University, Al Sharkia, 44519 Egypt
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