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Kumari S, Zemek RM, Palendira U, Ebert LM. Celebrating 100 years of Immunology & Cell Biology - a special focus on the field of tumor immunology in Australia. Immunol Cell Biol 2023; 101:783-788. [PMID: 37694341 DOI: 10.1111/imcb.12690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
In this Commentary article, as part of the 100-year celebrations of the journal, we reflect on the contribution of articles published in ICB in the field of tumor immunology. A highlight is a series of interviews conducted with three Australian-based ICB authors who have contributed key papers over the years: Rajiv Khanna, Delia Nelson and Ian Frazer.
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Affiliation(s)
- Snehlata Kumari
- Faculty of Medicine, Frazer Institute, The University of Queensland, Brisbane, QLD, Australia
- Translational Research Institute, Brisbane, QLD, Australia
| | - Rachael M Zemek
- Telethon Kids Institute, University of Western Australia, Nedlands, WA, Australia
| | - Umaimainthan Palendira
- Infection, Immunity and Inflammation, School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, NSW, Australia
| | - Lisa M Ebert
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, SA, Australia
- Cancer Clinical Trials Unit, Royal Adelaide Hospital, Adelaide, SA, Australia
- Adelaide Medical School, University of Adelaide, Adelaide, SA, Australia
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Suttapitugsakul S, Tong M, Sun F, Wu R. Enhancing Comprehensive Analysis of Secreted Glycoproteins from Cultured Cells without Serum Starvation. Anal Chem 2021; 93:2694-2705. [PMID: 33397101 PMCID: PMC8034805 DOI: 10.1021/acs.analchem.0c05126] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Glycoproteins secreted by cells play essential roles in the regulation of extracellular activities. Secreted glycoproteins are often reflective of cellular status, and thus glycoproteins from easily accessible bodily fluids can serve as excellent biomarkers for disease detection. Cultured cells have been extensively employed as models in the research fields of biology and biomedicine, and global analysis of glycoproteins secreted from these cells provides insights into cellular activities and glycoprotein functions. However, comprehensive identification and quantification of secreted glycoproteins is a daunting task because of their low abundances compared with the high-abundance serum proteins required for cell growth and proliferation. Several studies employed serum-free media to analyze secreted proteins, but it has been shown that serum starvation, even for a short period of time, can alter protein secretion. To overcome these issues, we developed a method to globally characterize secreted glycoproteins and their N-glycosylation sites from cultured cells by combining selective enrichment of secreted glycoproteins with a boosting approach. The results demonstrated the importance of the boosting sample selection and the boosting-to-sample ratio for improving the coverage of secreted glycoproteins. The method was applied to globally quantify secreted glycoproteins from THP-1 monocytes and macrophages in response to lipopolysaccharides (LPS) and from Hep G2 cells treated with TGF-β without serum starvation. We found differentially secreted glycoproteins in these model systems that showed the cellular response to the immune activation or the epithelial-to-mesenchymal transition. Benefiting from the selective enrichment and the signal enhancement of low-abundance secreted glycoproteins, this method can be extensively applied to study secreted glycoproteins without serum starvation, which will provide a better understanding of protein secretion and cellular activity.
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Affiliation(s)
- Suttipong Suttapitugsakul
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Ming Tong
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Fangxu Sun
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Ronghu Wu
- School of Chemistry and Biochemistry and the Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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Guan H, Peng J, Jiang L, Mo G, Li X, Peng X. CD19 +CD1d hiCD5 hi B Cells Can Downregulate Malaria ITV Protection by IL-10 Secretion. Front Public Health 2020; 8:77. [PMID: 32257991 PMCID: PMC7090139 DOI: 10.3389/fpubh.2020.00077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 02/25/2020] [Indexed: 11/13/2022] Open
Abstract
Infection treatment vaccine (ITV) can lead to sterile protection against malaria infection in mice and humans. However, parasite breakthrough is frequently observed post-challenge. The mechanism of rapid decline in protection after the last immunization is unclear. Herein, C57BL/6 mice were immunized with 103, 105, or 107 ITV thice at 14-day intervals. Mice were challenged with 103 parasites at 1, 3, and 6 months after last immunization and the protection was checked using blood smear. The phenotypes of B cells were analyzed by flow cytometry. The levels of serum cytokines were quantified using cytometric bead array. The 103 ITV vaccination group exhibited 100% protection at 1 month after last immunization, and the 105 group showed sterile protection at 3 months after last immunization. However, the 107 group showed only partial protection. Further, the protection declined to 16.7% at 6 months after last immunization in 105 and 107 groups, whereas it maintained for more than 60% in 103 group. The number of memory B cells (MBC) decreased along with the decline in protection. However, programmed cell death protein 1 (PD-1) expressed on MBCs did not show significant variation among the three groups. Interestingly, CD19+CD1dhiCD5hi B cells, defined as B10 cells, exhibited negative regulation with respect to protection. The numbers of CD19+CD1dhiCD5hi B cells in the 103 group at 1 months and in the 105 group at 3 months post-immunization were the lowest compared to those in the other groups. Moreover, the serum levels of interleukin 10 (IL-10) in these two groups were also significantly lower than those in other groups. We conclude that higher immunization dose may not lead to better protection with the malaria vaccine as CD19+CD1dhiCD5hi B cells can downregulate ITV protection against malaria via IL-10 secretion. These results could facilitate the design of an effective long-lasting malaria vaccine with the aim of maintaining MBC function.
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Affiliation(s)
- Hongli Guan
- Department of Parasitology, Guilin Medical University, Guilin, China
| | - Jiacong Peng
- Department of Parasitology, Guilin Medical University, Guilin, China
| | - Liping Jiang
- Department of Parasitology, Guilin Medical University, Guilin, China
| | - Gang Mo
- Department of Parasitology, Guilin Medical University, Guilin, China
| | - Xiang Li
- Department of Parasitology, Guilin Medical University, Guilin, China
| | - Xiaohong Peng
- Department of Parasitology, Guilin Medical University, Guilin, China
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Guan C, Chernyak N, Dominguez D, Cole L, Zhang B, Mirkin CA. RNA-Based Immunostimulatory Liposomal Spherical Nucleic Acids as Potent TLR7/8 Modulators. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1803284. [PMID: 30370991 PMCID: PMC6397047 DOI: 10.1002/smll.201803284] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 09/28/2018] [Indexed: 05/17/2023]
Abstract
Immunostimulatory spherical nucleic acids (IS-LSNAs) comprised of RNA selective for toll-like receptors (TLRs) 7/8 are synthesized and characterized. These structures consist of liposomal cores functionalized with a dense shell of RNA inserted into the wall of the lipid core via hydrophobic cholesterol moieties. IS-LSNAs potently activate TLR7/8 via NF-κΒ signaling in reporter cell lines and in primary immune cells as evidenced by cytokine production and the upregulation of costimulatory receptors. Importantly, they are preferentially taken up by plasmacytoid dendritic cells, an observation that makes them potentially useful for immunotherapy. In addition, these structures contain a core that can be loaded with antigens and used to prime T cells. In this regard, it is shown that dendritic cells treated with IS-SNAs loaded with ovalbumin peptide can prime ova specific CD8+ T cells. In addition to introducing the first IS-LSNAs consisting of RNA, these experiments show that one can facilitate an antigen-specific T cell response greater than that of free or cationic lipid-transfected RNA of the same sequence selective for TLR7/8. This work points toward the promise of using IS-LSNAs comprised of RNA as potent and highly tunable TLR-specific agents for the development of vaccines and other pharmaceuticals that require selective immunomodulation.
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Affiliation(s)
- Chenxia Guan
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
| | - Natalia Chernyak
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
| | - Donye Dominguez
- Department of Medicine, Division of Hematology and Oncology, Northwestern University, Chicago, IL, 60611, USA
| | - Lisa Cole
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
| | - Bin Zhang
- Department of Medicine, Division of Hematology and Oncology, Northwestern University, Chicago, IL, 60611, USA
| | - Chad A Mirkin
- Department of Chemical and Biological Engineering, Northwestern University, Evanston, IL, 60208, USA
- International Institute for Nanotechnology, Northwestern University, Evanston, IL, 60208, USA
- Department of Chemistry, Northwestern University, Evanston, IL, 60208, USA
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Song Y, Aguilar R, Guo J, Manaca MN, Nhabomba A, Berthoud TK, Khoo SK, Wiertsema S, Barbosa A, Quintó L, Laing IA, Mayor A, Guinovart C, Alonso PL, LeSouëf PN, Dobaño C, Zhang GB. Cord Blood IL-12 Confers Protection to Clinical Malaria in Early Childhood Life. Sci Rep 2018; 8:10860. [PMID: 30022038 PMCID: PMC6052074 DOI: 10.1038/s41598-018-29179-y] [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: 02/26/2018] [Accepted: 07/03/2018] [Indexed: 11/21/2022] Open
Abstract
Using a well-designed longitudinal cohort, we aimed to identify cytokines that were protective against malaria and to explore how they were influenced by genetic and immunological factors. 349 Mozambican pregnant women and their newborn babies were recruited and followed up for malaria outcomes until 24 months of age. Six Th1 cytokines in cord blood were screened for correlation with malaria incidence, of which IL-12 was selected for further analyses. We genotyped IL-12 polymorphisms in children/mothers and evaluated the genotype-phenotype associations and genetic effects on IL-12 levels. Maternal IL-12 concentrations were also investigated in relation to Plasmodium infections and cord blood IL-12 levels. Our data showed that high background IL-12 levels were prospectively associated with a low incidence of clinical malaria, while IL-12 production after parasite stimulation had the opposite effect on malaria incidence. IL-12 genotypes (IL-12b rs2288831/rs17860508) and the haplotype CGTTAGAG distribution were related to malaria susceptibility and background IL-12 levels. Maternal genotypes also exhibited an evident impact on host genotype-phenotype associations. Finally, a positive correlation in background IL-12 levels between maternal and cord blood was identified. Thus, cord blood background IL-12 concentrations are important for protecting children from clinical malaria, likely mediated by both genotypes (children&mothers) and maternal immunity.
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Affiliation(s)
- Yong Song
- School of Public Health, Curtin University, Perth, 6102, Western Australia, Australia.,Centre for Genetic Origins of Health and Disease, The University of Western Australia and Curtin University, Perth, 6009, Western Australia, Australia
| | - Ruth Aguilar
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, CP1929, Mozambique.,ISGlobal, Hospital Clínic of Barcelona, Universitat de Barcelona, Barcelona, Catalonia, 08036, Spain
| | - Jing Guo
- School of Public Health, Curtin University, Perth, 6102, Western Australia, Australia.,Centre for Genetic Origins of Health and Disease, The University of Western Australia and Curtin University, Perth, 6009, Western Australia, Australia
| | - Maria Nelia Manaca
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, CP1929, Mozambique
| | - Augusto Nhabomba
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, CP1929, Mozambique
| | - Tamara Katherine Berthoud
- ISGlobal, Hospital Clínic of Barcelona, Universitat de Barcelona, Barcelona, Catalonia, 08036, Spain
| | - Siew-Kim Khoo
- School of Paediatrics and Child Health, The University of Western Australia, Perth, 6009, Western Australia, Australia
| | - Selma Wiertsema
- School of Paediatrics and Child Health, The University of Western Australia, Perth, 6009, Western Australia, Australia
| | - Arnoldo Barbosa
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, CP1929, Mozambique
| | - Llorenç Quintó
- ISGlobal, Hospital Clínic of Barcelona, Universitat de Barcelona, Barcelona, Catalonia, 08036, Spain
| | - Ingrid A Laing
- School of Paediatrics and Child Health, The University of Western Australia, Perth, 6009, Western Australia, Australia
| | - Alfredo Mayor
- ISGlobal, Hospital Clínic of Barcelona, Universitat de Barcelona, Barcelona, Catalonia, 08036, Spain
| | - Caterina Guinovart
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, CP1929, Mozambique.,ISGlobal, Hospital Clínic of Barcelona, Universitat de Barcelona, Barcelona, Catalonia, 08036, Spain
| | - Pedro L Alonso
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, CP1929, Mozambique.,ISGlobal, Hospital Clínic of Barcelona, Universitat de Barcelona, Barcelona, Catalonia, 08036, Spain
| | - Peter N LeSouëf
- School of Paediatrics and Child Health, The University of Western Australia, Perth, 6009, Western Australia, Australia
| | - Carlota Dobaño
- Centro de Investigação em Saúde de Manhiça (CISM), Maputo, CP1929, Mozambique. .,ISGlobal, Hospital Clínic of Barcelona, Universitat de Barcelona, Barcelona, Catalonia, 08036, Spain.
| | - Guicheng Brad Zhang
- School of Public Health, Curtin University, Perth, 6102, Western Australia, Australia. .,Centre for Genetic Origins of Health and Disease, The University of Western Australia and Curtin University, Perth, 6009, Western Australia, Australia. .,Curtin Health Innovation Research Institute, Curtin University, Perth, 6102, Western Australia, Australia.
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Hu Y, Yu P, Yu X, Hu X, Kawai T, Han X. IL-21/anti-Tim1/CD40 ligand promotes B10 activity in vitro and alleviates bone loss in experimental periodontitis in vivo. Biochim Biophys Acta Mol Basis Dis 2017; 1863:2149-2157. [PMID: 28583714 DOI: 10.1016/j.bbadis.2017.06.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2017] [Revised: 05/12/2017] [Accepted: 06/01/2017] [Indexed: 12/20/2022]
Abstract
IL-10-expressing regulatory B cells (B10) play an essential role in immune system balance by suppressing excessive inflammatory responses. In this study, we investigated induction of B 10 cell's IL-10 competency in vitro and its effect on ligature-induced experimental periodontitis in vivo. Spleen B cells were isolated from C57BL/6J mice and cultured for 48h under the following conditions: control, CD40L, IL-21, anti-Tim1, CD40L+IL-21, CD40L+anti-Tim1, CD40L+IL-21+anti-Tim1. Silk ligatures were tied around both maxillary second molars of C57BL/6J mice for two weeks. Optimized combination of CD40L, IL-21 and anti-Tim1 and vehicle were injected into contralateral side of palatal gingiva on days 3, 6 and 9. The palatal gingival tissues and maxillary bone were collected on day 14 to determine expressions of IL-10 and periodontal bone resorption respectively. Our results demonstrated that IL-10 expressions of cultured spleen B cells were significantly increased in the presence of CD40L, IL-21 and anti-Tim1 combination when compared with control groups. Gingival IL-10 mRNA and protein expressions were significantly increased after injection of CD40L, IL-21 and anti-Tim1 combination, when compared to the control side. The gingival RANKL expression and periodontal bone loss were significantly decreased on the combination treatment side, as compared to the control side. These results suggest that combination of IL-21, anti-Tim1 and CD40L treatment induced B10 cell's IL-10 competency in vitro and inhibited periodontal bone loss in ligature-induced experimental periodontitis.
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Affiliation(s)
- Yang Hu
- Forsyth Institute, Department of Immunology and Infectious Diseases, Cambridge, MA, United States; Harvard University, School of Dental Medicine, Cambridge, MA, United States
| | - Pei Yu
- Forsyth Institute, Department of Immunology and Infectious Diseases, Cambridge, MA, United States; State Key Laboratory of Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Xinbo Yu
- Forsyth Institute, Department of Immunology and Infectious Diseases, Cambridge, MA, United States; Department of Periodontology, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xingxue Hu
- Forsyth Institute, Department of Immunology and Infectious Diseases, Cambridge, MA, United States
| | - Toshihisa Kawai
- Forsyth Institute, Department of Immunology and Infectious Diseases, Cambridge, MA, United States; Harvard University, School of Dental Medicine, Cambridge, MA, United States
| | - Xiaozhe Han
- Forsyth Institute, Department of Immunology and Infectious Diseases, Cambridge, MA, United States; Harvard University, School of Dental Medicine, Cambridge, MA, United States.
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Paradowska-Gorycka A, Sowinska A, Stypinska B, Grobelna MK, Walczyk M, Olesinska M, Piotrowski P, Jagodzinski PP. Genetic Variants in IL-12B and IL-27 in the Polish Patients with Systemic Lupus Erythematosus. Scand J Immunol 2017; 84:49-60. [PMID: 27059274 DOI: 10.1111/sji.12439] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Accepted: 04/04/2016] [Indexed: 01/12/2023]
Abstract
To investigate the potential association between IL-12B and IL-27 gene polymorphisms and systemic lupus erythematosus (SLE), we performed a case-control study based on the Polish population. Patients with SLE and healthy individuals were examined for -6415 CTCTAA/GC (rs17860508) and +1188A/C (rs3212227) in IL-12B and -924A/G (rs153109) and 4730T/C (rs181206) in IL-27 gene polymorphisms using the high-resolution melting method, PCR-RFLP method and TaqMan SNP genotyping assay, respectively. An increased frequency of GC/GC genotype as well as GC allele of the IL-12B rs17860508 was found in patients with SLE, as compared with healthy subjects (P < 0.001). We did not find differences in genotype and allele frequencies of the IL-12B rs3212227 and IL-27 rs153109 and rs181206 variants between patients with SLE and controls. IL-27 haplotype rs181206C/rs153109G indicated higher risk for SLE (P = 0.002), whereas haplotype rs181206T/rs153109G indicated reduced risk for SLE (P = 0.005). The IL-12B rs3212227 A/C polymorphism was associated with the mean value of the platelets (PLT), urea and complement C3 level. Furthermore, IL-12B rs17860508 genetic variant showed correlation with PLT, prothrombin time, international normalized ratio and alkaline phosphatase. Our results revealed that IL-12B rs17860508 and IL-27 haplotype CG are genetic risk factors for SLE and that both IL-12B rs17860508 and rs3212227 predict disease phenotype.
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Affiliation(s)
- A Paradowska-Gorycka
- Department of Biochemistry and Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - A Sowinska
- Department of Computer Science and Statistics, Poznan University of Medical Sciences, Poznan, Poland
| | - B Stypinska
- Department of Biochemistry and Molecular Biology, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - M K Grobelna
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, Poznan, Poland
| | - M Walczyk
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - M Olesinska
- Department of Connective Tissue Diseases, National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
| | - P Piotrowski
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, Poznan, Poland.,Mossakowski Medical Research Centre, Polish Academy of Sciences, Warsaw, Poland
| | - P P Jagodzinski
- Department of Biochemistry and Molecular Biology, Poznan University of Medical Sciences, Poznan, Poland
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Castiello L, Sabatino M, Ren J, Terabe M, Khuu H, Wood LV, Berzofsky JA, Stroncek DF. Expression of CD14, IL10, and Tolerogenic Signature in Dendritic Cells Inversely Correlate with Clinical and Immunologic Response to TARP Vaccination in Prostate Cancer Patients. Clin Cancer Res 2017; 23:3352-3364. [PMID: 28073842 DOI: 10.1158/1078-0432.ccr-16-2199] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 12/05/2016] [Accepted: 12/20/2016] [Indexed: 12/25/2022]
Abstract
Purpose: Despite the vast number of clinical trials conducted so far, dendritic cell (DC)-based cancer vaccines have mostly shown unsatisfactory results. Factors and manufacturing procedures essential for these therapeutics to induce effective antitumor immune responses have yet to be fully characterized. We here aimed to identify DC markers correlating with clinical and immunologic response in a prostate carcinoma vaccination regimen.Experimental Design: We performed an extensive characterization of DCs used to vaccinate 18 patients with prostate carcinoma enrolled in a pilot trial of T-cell receptor gamma alternate reading frame protein (TARP) peptide vaccination (NCT00908258). Peptide-pulsed DC preparations (114) manufactured were analyzed by gene expression profiling, cell surface marker expression and cytokine release secretion, and correlated with clinical and immunologic responses.Results: DCs showing lower expression of tolerogenic gene signature induced strong antigen-specific immune response and slowing in PSA velocity, a surrogate for clinical response. These DCs were also characterized by lower surface expression of CD14, secretion of IL10 and MCP-1, and greater secretion of MDC. When combined, these four factors were able to remarkably discriminate DCs that were sufficiently potent to induce strong immunologic response.Conclusions: DC factors essential for the activation of immune responses associated with TARP vaccination in prostate cancer patients were identified. This study highlights the importance of in-depth characterization of DC vaccines and other cellular therapies, to understand the critical factors that hinder potency and potential efficacy in patients. Clin Cancer Res; 23(13); 3352-64. ©2017 AACR.
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Affiliation(s)
- Luciano Castiello
- Cell Processing Section, Department of Transfusion Medicine, Clinical Center, NIH, Bethesda, Maryland.
- Istituto Pasteur-Fondazione Cenci Bolognetti, Rome, Italy
| | - Marianna Sabatino
- Cell Processing Section, Department of Transfusion Medicine, Clinical Center, NIH, Bethesda, Maryland
| | - Jiaqiang Ren
- Cell Processing Section, Department of Transfusion Medicine, Clinical Center, NIH, Bethesda, Maryland
| | - Masaki Terabe
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland
| | - Hanh Khuu
- Cell Processing Section, Department of Transfusion Medicine, Clinical Center, NIH, Bethesda, Maryland
| | - Lauren V Wood
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland
| | - Jay A Berzofsky
- Vaccine Branch, Center for Cancer Research, National Cancer Institute, NIH, Bethesda, Maryland
| | - David F Stroncek
- Cell Processing Section, Department of Transfusion Medicine, Clinical Center, NIH, Bethesda, Maryland
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Pathogen-Associated Molecular Patterns Induced Crosstalk between Dendritic Cells, T Helper Cells, and Natural Killer Helper Cells Can Improve Dendritic Cell Vaccination. Mediators Inflamm 2016; 2016:5740373. [PMID: 26980946 PMCID: PMC4766350 DOI: 10.1155/2016/5740373] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Accepted: 12/30/2015] [Indexed: 12/29/2022] Open
Abstract
A coordinated cellular interplay is of crucial importance in both host defense against pathogens and malignantly transformed cells. The various interactions of Dendritic Cells (DC), Natural Killer (NK) cells, and T helper (Th) cells can be influenced by a variety of pathogen-associated molecular patterns (PAMPs) and will lead to enhanced CD8+ effector T cell responses. Specific Pattern Recognition Receptor (PRR) triggering during maturation enables DC to enhance Th1 as well as NK helper cell responses. This effect is correlated with the amount of IL-12p70 released by DC. Activated NK cells are able to amplify the proinflammatory cytokine profile of DC via the release of IFN-γ. The knowledge on how PAMP recognition can modulate the DC is of importance for the design and definition of appropriate therapeutic cancer vaccines. In this review we will discuss the potential role of specific PAMP-matured DC in optimizing therapeutic DC-based vaccines, as some of these DC are efficiently activating Th1, NK cells, and cytotoxic T cells. Moreover, to optimize these vaccines, also the inhibitory effects of tumor-derived suppressive factors, for example, on the NK-DC crosstalk, should be taken into account. Finally, the suppressive role of the tumor microenvironment in vaccination efficacy and some proposals to overcome this by using combination therapies will be described.
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Ashjaei K, Bublin M, Smole U, Lengger N, Hafner C, Breiteneder H, Wagner S, Hoffmann-Sommergruber K. Differential T-helper cell polarization after allergen-specific stimulation of autologous dendritic cells in polysensitized allergic patients. Int Arch Allergy Immunol 2015; 166:97-106. [PMID: 25792188 PMCID: PMC4739505 DOI: 10.1159/000375405] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Accepted: 01/21/2015] [Indexed: 12/17/2022] Open
Abstract
Background Dendritic cells (DCs) play an important role in the induction and regulation of adaptive immune responses by polarizing T-helper (Th) cells. In allergic disease this response is dominated by Th2 cells. It is still unclear whether the activation of Th cells by DCs in atopic individuals is allergen specific. Methods Monocyte-derived DCs (MoDCs) obtained from polysensitized patients were stimulated with purified Bet v 1, Phl p 5 and Act d 10, and the surface marker expression was analysed. Proliferation and cytokine profiles of autologous naïve CD4+ T cells co-cultured with allergen-pulsed MoDCs were assessed. Results The addition of either Bet v 1 or Phl p 5 did not further increase the expression of surface markers from matured MoDCs in all study groups. In co-cultures, autologous naïve CD4+ T cells proliferated when DCs obtained from individuals allergic to birch and grass pollen were stimulated with Bet v 1 and Phl p 5, respectively. In the co-culture supernatants, significantly increased levels of IL-5 and IL-13 were detected. This effect correlated with the sensitization background and was absent when applying an unspecific allergen, Act d 10. The levels of IL-10 in supernatants of MoDCs and the levels of IL-10 and IFN-γ in supernatants of T cells remained unchanged upon stimulation with allergens. Conclusions In this study we observed that allergen-specific stimulation of MoDCs induces T-cell proliferation and upregulation of Th2-type cytokines. Interestingly, this Th2 polarization was only observed in cells stimulated with the allergen to which the patients were sensitized.
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Affiliation(s)
- Kazem Ashjaei
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, Vienna, Austria
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Wisnewski AV, Liu J, Colangelo CM. Glutathione reaction products with a chemical allergen, methylene-diphenyl diisocyanate, stimulate alternative macrophage activation and eosinophilic airway inflammation. Chem Res Toxicol 2015; 28:729-37. [PMID: 25635619 DOI: 10.1021/tx5005002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Isocyanates have been a leading chemical cause of occupational asthma since their utility for generating polyurethane was first recognized over 60 years ago, yet the mechanisms of isocyanate asthma pathogenesis remain unclear. The present study provides in vivo evidence that a GSH mediated pathway underlies asthma-like eosinophilic inflammatory responses to respiratory tract isocyanate exposure. In naïve mice, a mixture of GSH reaction products with the chemical allergen, methylene-diphenyl diisocyanate (MDI), induced innate immune responses, characterized by significantly increased airway levels of Chitinase YM-1 and IL-12/IL-23β (but not α) subunit. However, in mice immunologically sensitized to MDI via prior skin exposure, identical GSH-MDI doses induced substantially greater inflammatory responses, including significantly increased airway eosinophil numbers and mucus production, along with IL-12/IL-23β, chitinases, and other indicators of alternative macrophage activation. The "self"-protein albumin in mouse airway fluid was uniquely modified by GSH-MDI at position (414)K, a preferred site of MDI reactivity on human albumin. The (414)K-MDI conjugation appears to covalently cross-link GSH to albumin via GSH's NH2-terminus, a unique conformation possibly resulting from cyclized mono(GSH)-MDI or asymmetric (S,N'-linked) bis(GSH)-MDI conjugates. Together, the data support a possible thiol mediated transcarbamoylating mechanism linking MDI exposure to pathogenic eosinophilic inflammatory responses.
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Sam SS, Teoh BT, Chinna K, AbuBakar S. High producing tumor necrosis factor alpha gene alleles in protection against severe manifestations of dengue. Int J Med Sci 2015; 12:177-86. [PMID: 25589894 PMCID: PMC4293183 DOI: 10.7150/ijms.8988] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 12/09/2014] [Indexed: 11/13/2022] Open
Abstract
UNLABELLED Dengue virus (DENV) infection usually presents with mild self-limiting dengue fever (DF). Few however, would present with the more severe form of the disease, dengue hemorrhagic fever (DHF) and dengue shock syndrome (DSS). In the present study, the association between IL-12B, IL-10 and TNF-α gene polymorphisms and dengue severity was investigated. METHODS A case-control study was performed on a total of 120 unrelated controls, 86 DF patients and 196 DHF/DSS patients. The polymorphisms in IL-12B, IL-10 and TNF-α genes were genotyped using PCR-RFLP and PCR-sequencing methods. RESULTS A protective association of TNF-α -308A allele and -308GA genotype against DHF/DSS was observed, while TNF-α -238A allele and -238GA genotype were associated with DHF/DSS. A combination of TNF-α -308GA+AA genotype and IL-10 non-GCC haplotypes, IL-12B pro homozygotes (pro1/pro1, pro2/pro2) and IL-12B 3'UTR AC were significantly correlated with protective effects against DHF/DSS. An association between the cytokine gene polymorphisms and protection against the clinical features of severe dengue including thrombocytopenia and increased liver enzymes was observed in this study. CONCLUSION The overall findings of the study support the correlation of high-producer TNF-α genotypes combined with low-producer IL-10 haplotypes and IL-12B genotypes in reduced risk of DHF/DSS.
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Affiliation(s)
- Sing-Sin Sam
- 1. Tropical Infectious Diseases Research and Education Center (TIDREC), Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Boon-Teong Teoh
- 1. Tropical Infectious Diseases Research and Education Center (TIDREC), Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Karuthan Chinna
- 2. Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
| | - Sazaly AbuBakar
- 1. Tropical Infectious Diseases Research and Education Center (TIDREC), Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
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Ong'echa JM, Raballah EO, Kempaiah PM, Anyona SB, Were T, Davenport GC, Konah S, Vulule JM, Ouma C, Hittner JB, Perkins DJ. Polymorphic variability in the 3' untranslated region (UTR) of IL12B is associated with susceptibility to severe anaemia in Kenyan children with acute Plasmodium falciparum malaria. BMC Genet 2011; 12:69. [PMID: 21819616 PMCID: PMC3166270 DOI: 10.1186/1471-2156-12-69] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2011] [Accepted: 08/06/2011] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Plasmodium falciparum malaria remains a leading cause of morbidity and mortality among African children. Innate immunity provides the first line of defence against P. falciparum infections, particularly in young children that lack naturally-acquired malarial immunity, such as the population examined here. Consistent with the fact that elevated interleukin (IL)-12 is an important component of the innate immune response that provides protective immunity against malaria, we have previously shown that suppression of IL-12 in African children is associated with the development of severe malarial anaemia (SMA). Since the role of IL12B variants in conditioning susceptibility to SMA remains largely unexplored, the association between a single nucleotide polymorphism (1188A→C, rs3212227), SMA (Hb<6.0 g/dL), circulating IL-12p40/p70 levels, and longitudinal clinical outcomes in Kenyan children (n = 756) residing in a holoendemic falciparum malaria transmission area were investigated. RESULTS Multivariate logistic regression analysis in children with acute malaria (n = 544) demonstrated that carriers of the C allele had increased susceptibility to SMA (CC: OR, 1.674; 95% CI, 1.006-2.673; P = 0.047, and AC: OR, 1.410; 95% CI, 0.953-2.087; P = 0.086) relative to wild type (AA). Although children with SMA had lower IL-12p40/p70 levels than the non-SMA group (P = 0.037), levels did not differ significantly according to genotype. Longitudinal analyses in the entire cohort (n = 756) failed to show any significant relationships between rs3212227 genotypes and either susceptibility to SMA or all-cause mortality throughout the three year follow-up. CONCLUSION The rs3212227 is a marker of susceptibility to SMA in children with acute disease, but does not appear to mediate functional changes in IL-12 production or longitudinal outcomes during the acquisition of naturally-acquired malarial immunity.
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Affiliation(s)
- John M Ong'echa
- University of New Mexico Laboratories of Parasitic and Viral Diseases, Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
- Center for Global Health, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM, USA
| | - Evans O Raballah
- University of New Mexico Laboratories of Parasitic and Viral Diseases, Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
- Department of Biochemistry and Biotechnology, Kenyatta University, Nairobi, Kenya
| | - Prakasha M Kempaiah
- Center for Global Health, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM, USA
| | - Samuel B Anyona
- University of New Mexico Laboratories of Parasitic and Viral Diseases, Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
| | - Tom Were
- University of New Mexico Laboratories of Parasitic and Viral Diseases, Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
| | - Gregory C Davenport
- Center for Global Health, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM, USA
| | - Stephen Konah
- University of New Mexico Laboratories of Parasitic and Viral Diseases, Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
| | - John M Vulule
- Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
| | - Collins Ouma
- University of New Mexico Laboratories of Parasitic and Viral Diseases, Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
| | - James B Hittner
- Department of Psychology, College of Charleston, Charleston, SC, USA
| | - Douglas J Perkins
- University of New Mexico Laboratories of Parasitic and Viral Diseases, Centre for Global Health Research, Kenya Medical Research Institute, Kisumu, Kenya
- Center for Global Health, Department of Internal Medicine, University of New Mexico School of Medicine, Albuquerque, NM, USA
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Non-responders to topical imiquimod followed by vaccination therapy in VIN patients may be due to the level of IL10. Br J Cancer 2010; 103:595-6. [PMID: 20664597 PMCID: PMC2939795 DOI: 10.1038/sj.bjc.6605824] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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15
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Functional genetic polymorphisms in interleukin-12B gene in association with systemic lupus erythematosus. Rheumatol Int 2010; 32:53-9. [DOI: 10.1007/s00296-010-1547-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2010] [Accepted: 07/11/2010] [Indexed: 11/26/2022]
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16
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Wang J, Tang S, Shen H. Association of genetic polymorphisms in the IL12-IFNG pathway with susceptibility to and prognosis of pulmonary tuberculosis in a Chinese population. Eur J Clin Microbiol Infect Dis 2010; 29:1291-5. [PMID: 20544370 DOI: 10.1007/s10096-010-0985-0] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2010] [Accepted: 05/24/2010] [Indexed: 12/12/2022]
Abstract
Cytokines are crucial in activation of the cell-mediated immunity required for eliminating pathogens and controlling intracellular growth of Mycobacterium tuberculosis (TB). Genetic variants in the IL12-IFNG axis are hypothesized to be involved in the development and progression of TB. Genetic polymorphisms of rs2243115 and rs568408 in IL12A, rs3212227 in IL12B and rs2430561 in IFNG(+874) were detected in 522 pulmonary TB cases and 527 controls recruited from Yangzhong and Wujin County of China. It was found that genetic variants TG/GG of rs2243115(IL12A) were associated with a decreased risk of TB, with odds ratio (95% confidence interval) of 0.70 (0.49-0.99), whereas variant genotypes AT/TT of rs2430561(IFNG) conferred 82% less risk for treatment failure, with a hazard ratio of 0.18 (95% confidence interval 0.04-0.73). Cumulative effects analysis revealed that the risk of TB increased significantly with the number of unfavorable genotypes in IL12 genes. Furthermore, MDR analysis showed potential higher-order gene-gene and gene-environment interactions and indicated different outcomes based on distinct genotype profiles. Results from this study demonstrate that genetic polymorphisms of the IL12-IFNG pathway may individually or jointly contribute to the susceptibility to and prognosis of pulmonary TB.
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Affiliation(s)
- J Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China.
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17
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Phawong C, Ouma C, Tangteerawatana P, Thongshoob J, Were T, Mahakunkijcharoen Y, Wattanasirichaigoon D, Perkins DJ, Khusmith S. Haplotypes of IL12B promoter polymorphisms condition susceptibility to severe malaria and functional changes in cytokine levels in Thai adults. Immunogenetics 2010; 62:345-56. [PMID: 20387064 DOI: 10.1007/s00251-010-0439-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2009] [Accepted: 03/09/2010] [Indexed: 12/22/2022]
Abstract
Polymorphic variability in immune response genes, such as IL12B, encoding the IL-12p40 subunit is associated with susceptibility to severe malaria in African populations. Since the role of genetic variation in conditioning severe malaria in Thai adults is largely unexplored, the functional association between IL12B polymorphisms [i.e. IL12Bpro (rs17860508) and IL12B 3' UTR T/G (rs3212227)], severe malaria and cytokine production was examined in patients with Plasmodium falciparum infections (n = 355) recruited from malaria endemic areas along the Thai-Myanmar border in northwest Thailand. Circulating IL-12p40 (p = 0.049) and IFN-gamma (p = 0.051) were elevated in patients with severe malaria, while only IL-12p40 was significantly higher in severe malaria patients with hyperparasitaemia (p = 0.046). Carriage of the IL12Bpro1.1 genotype was associated with enhanced severity of malaria (OR, 2.34; 95% CI, 0.94-5.81; p = 0.066) and hyperparasitaemia (OR, 3.42; 95% CI, 1.17-9.87; p = 0.025) relative to the IL12Bpro2.2 genotype (wild type). Individuals with the IL12Bpro1.1 genotype also had the lowest IL-12p40 (p = 0.002) and the highest IFN-gamma (p = 0.004) levels. Construction of haplotypes revealed that carriage of the IL12Bpro-2/3' UTR-T haplotype was associated with protection against severe malaria (OR, 0.51; 95% CI, 0.29-0.90; p = 0.020) and reduced circulating IFN-gamma (p = 0.06). Thus, genotypic and haplotypic variation at IL12Bpro and IL12B 3' UTR in this population influences susceptibility to severe malaria and functional changes in circulating IL-12p40 and IFN-gamma levels. Results presented here suggest that protection against severe malaria in Thai adults is associated with genotypic variants that condition enhanced IL-12p40 and reduced IFN-gamma levels.
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Affiliation(s)
- Chintana Phawong
- Department of Microbiology and Immunology, Faculty of Tropical Medicine, Mahidol University, 420/6 Rajvithi Road, Bangkok, 10400, Thailand
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Naka I, Patarapotikul J, Tokunaga K, Hananantachai H, Tsuchiya N, Ohashi J. A replication study of the association between the IL12B promoter allele CTCTAA and susceptibility to cerebral malaria in Thai population. Malar J 2009; 8:290. [PMID: 20003322 PMCID: PMC2797809 DOI: 10.1186/1475-2875-8-290] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2009] [Accepted: 12/11/2009] [Indexed: 11/22/2022] Open
Abstract
Background Interleukin-12 (IL-12), a heterodimeric cytokine composed of p35 and p40 subunits, has been thought to play an important role in the pathogenesis of malaria. The IL-12p40 subunit is encoded by the IL12B gene. An IL12B promoter allele, CTCTAA, at rs17860508 has been reported to be associated with susceptibility to cerebral malaria in African populations. However, this association has not so far been replicated in non-African populations. Methods To examine whether the CTCTAA allele is associated with susceptibility to cerebral malaria in Asian populations, 303 Thai patients with Plasmodium falciparum malaria (109 cerebral malaria and 194 mild malaria patients) were genotyped for rs17860508 by PCR-direct sequencing. Results The CTCTAA allele showed a significant association with susceptibility to cerebral malaria in the Thai population (allelic OR = 1.37; one sided P-value = 0.030). Conclusions The existence of a significant association between the CTCTAA allele and susceptibility to cerebral malaria was confirmed in Southeast Asian population, which was previously reported in African populations.
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Affiliation(s)
- Izumi Naka
- Graduate School of Comprehensive Human Sciences, University of Tsukuba, Ibaraki, Japan.
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Morahan G, McKinnon E, Berry J, Browning B, Julier C, Pociot F, James I. Evaluation of IL12B as a candidate type I diabetes susceptibility gene using data from the Type I Diabetes Genetics Consortium. Genes Immun 2009; 10 Suppl 1:S64-8. [PMID: 19956104 PMCID: PMC2805152 DOI: 10.1038/gene.2009.94] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
As part of its efforts to identify genes affecting the risk of type I diabetes (T1D), the Type I Diabetes Genetics Consortium commissioned an extensive survey of variants associated with genes reported earlier to have an association with disease susceptibility. In this report, we present the analysis of a set of single-nucleotide polymorphisms (SNPs) within and flanking the IL12B gene, which encodes the p40 subunit of the cytokines interleukin (IL)-12 and IL-23. No SNP showed individually significant association in the population as a whole. Nevertheless, subjects stratified according to genotype at the earlier reported SNP in the IL12B 3'UTR, rs3212227, confirmed small, but significant, differences in age of disease onset with a relative hazard=0.88 (P=0.005). The protective effect of rs3212227 allele 2 was gender specific (P=0.004 overall and P=0.0003 when unaffected siblings were considered). Among females, the 2.2 genotype was more protective, with relative hazard=0.75. We conclude that while there was no major effect of IL12B polymorphisms on T1D susceptibility in the entire study group, they have an impact on a subset of at-risk individuals.
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Affiliation(s)
- G Morahan
- Centre for Diabetes Research, The Western Australian Institute for Medical Research, and Centre for Medical Research, University of Western Australia, 50 Murray Street, Perth, Western Australia 6000, Australia.
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20
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Bisseye C, van der Sande M, Morgan WD, Holder AA, Pinder M, Ismaili J. Plasmodium falciparum infection of the placenta impacts on the T helper type 1 (Th1)/Th2 balance of neonatal T cells through CD4(+)CD25(+) forkhead box P3(+) regulatory T cells and interleukin-10. Clin Exp Immunol 2009; 158:287-93. [PMID: 19758375 DOI: 10.1111/j.1365-2249.2009.04014.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Placental malaria infection affects the T helper type 1 (Th1)/Th2 balance in neonatal children. We investigated a potential role of regulatory T cells in this balance by comparing T cell responses of cord blood mononuclear cells (CBMC) from parasitized and non-parasitized placenta of Gambian women. CBMC were depleted of CD4(+)CD25(+) forkhead box P3 (FoxP3)(+) regulatory T cells and analysed in vitro for their ability to produce interferon (IFN)-gamma, sCD30 and interleukin (IL)-10 in response to phytohaemagglutinin (PHA), live Plasmodium falciparum, schizont extracts and the recombinant P. falciparum blood stage antigen merozoite surface protein 1 (MSP1(19)). As expected, lower IFN-gamma and higher sCD30 responses were observed for the cells from the parasitized group. In addition, higher IL-10 levels were produced by CBMC from the parasitized group. Depletion of regulatory T cells decreased IL-10 production, which resulted in a restoration of IFN-gamma expression in response to all stimuli. The Th2 marker sCD30 remained significantly higher in the parasitized group in response to malaria protein antigens while similar levels were recovered between both groups in response to live P. falciparum. Similar effects were observed by adding an antibody that blocks IL-10 function. These results suggest that the impact of P. falciparum infection on Th1 differentiation of neonatal T cells can be ascribed to regulatory T cells through production of IL-10.
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Affiliation(s)
- C Bisseye
- Medical Research Council Laboratories, Banjul, The Gambia
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21
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Ahrens B, Freund T, Rha RD, Dittrich AM, Quarcoo D, Hutloff A, Hamelmann E. Lipopolysaccharide stimulation of dendritic cells induces interleukin-10 producing allergen-specific T cells in vitro but fails to prevent allergic airway disease. Exp Lung Res 2009; 35:307-23. [PMID: 19415548 DOI: 10.1080/01902140802709460] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Dendritic cells (DCs) play an important role in directing naive T cells towards a Th1/Th2 or regulatory T cells (Treg) cell phenotype. In this context, interleukin (IL)-10 has been shown to exhibit immune regulatory capacities. The aim of this study was to delineate the influence of high-IL-10-producing DCs on DC-T-cell interactions in inhibiting allergen-induced airway inflammation and hyperreactivity in a murine model of allergic airway disease. Bone marrow-derived dendritic cells (BMDCs) were generated from hemopoietic progenitors by culture with granulocyte-macrophage colony-stimulating factor (GM-CSF), and stimulated with ovalbumin (OVA) +/- lipopolysaccharide (LPS). The effects of ovalbumin-pulsed BMDCs on cytokine production by allergen-specific naive T cells were studied in vitro. The development of airway inflammation in Balb/c mice was determined after intranasal administration of BMDCs in vivo. LPS stimulation of BMDCs strongly enhanced IL-10 production. Coculture of LPS-modulated DCs exhibiting increased IL-10 production with allergen-specific naive T cells reduced the production of interferon (IFN)-gamma and IL-5, but enhanced the production of IL-10. After blockade with anti-IL-10 plus anti-IL-10-receptor antibodies, the level of IFN-gamma and IL-5 production by cocultured T cells was restored, underlining the regulatory function of IL-10. Intranasal administration of high-IL-10-producing LPS-stimulated, OVA-primed BMDCs prior to repetitive airway allergen challenges resulted in an even enhanced airway inflammation. These data demonstrate that increased IL-10 production by DCs may be a critical element for T-cell activation and differentiation in the context of allergen-induced immune responses in vitro. However, this DC modulation did not translate into suppression of allergic airway disease in vivo.
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Affiliation(s)
- Birgit Ahrens
- Department of Pediatric Pneumology and Immunology, Charité, University Medicine Berlin, Germany.
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Morahan G, Peeva V, Mehta M, Williams R. Systems genetics can provide new insights in to immune regulation and autoimmunity. J Autoimmun 2008; 31:233-6. [DOI: 10.1016/j.jaut.2008.04.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Martin SF, Dudda JC, Bachtanian E, Lembo A, Liller S, Dürr C, Heimesaat MM, Bereswill S, Fejer G, Vassileva R, Jakob T, Freudenberg N, Termeer CC, Johner C, Galanos C, Freudenberg MA. Toll-like receptor and IL-12 signaling control susceptibility to contact hypersensitivity. ACTA ACUST UNITED AC 2008; 205:2151-62. [PMID: 18725520 PMCID: PMC2526208 DOI: 10.1084/jem.20070509] [Citation(s) in RCA: 174] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Allergic contact hypersensitivity (CHS) is a T cell–mediated inflammatory skin disease. Interleukin (IL)-12 is considered to be important in the generation of the allergen-specific T cell response. Loss of IL-12 function in IL-12Rβ2–deficient mice, however, did not ameliorate the allergic immune response, suggesting alternate IL-12–independent pathways in the induction of CHS. Because exposure to contact allergens always takes place in the presence of microbial skin flora, we investigated the potential role of Toll-like receptors (TLRs) in the induction of CHS. Using mice deficient in TLR4, the receptor for bacterial lipopolysaccharide (LPS), IL-12 receptor (R) β2, or both, we show that the concomitant absence of TLR4 and IL-12Rβ2, but not the absence of TLR4 or IL-12Rβ2 alone, prevented DC-mediated sensitization, generation of effector T cells, and the subsequent CHS response to 2,4,6-trinitro-1-chlorobenzene (TNCB), oxazolone, and fluorescein isothiocyanate. Introduction of the TLR4 transgene into the TLR4/IL-12Rβ2 mutant restored the CHS inducibility, showing a requirement for TLR4 in IL-12–independent CHS induction. Furthermore, the concomitant absence of TLR2 and TLR4 prevented the induction of CHS to TNCB in IL-12–competent mice. Finally, CHS was inducible in germ-free wild-type and IL-12Rβ2–deficient mice, but not in germ-free TLR4/IL-12Rβ2 double deficient mice, suggesting that the necessary TLR activation may proceed via endogenous ligands.
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Affiliation(s)
- Stefan F Martin
- Allergy Research Group, Department of Dermatology, University Medical Center Freiburg, D-79104 Freiburg, Germany.
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Miteva L, Stanilova S. The combined effect of interleukin (IL)-10 and IL-12 polymorphisms on induced cytokine production. Hum Immunol 2008; 69:562-6. [PMID: 18703108 DOI: 10.1016/j.humimm.2008.07.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2008] [Accepted: 07/17/2008] [Indexed: 11/19/2022]
Abstract
Interleukin (IL)-12 and IL-10 are immunoregulatory cytokines with an antagonistic effect of the T-helper (Th)1/Th2 cytokine balance and provide a functional link between innate and adaptive immune responses. The aim of the study was to investigate the combined effect of -1082A*G in IL10 and +16974A*C in IL12B single nucleotide polymorphisms (SNPs) on induced cytokine production by stimulated peripheral blood mononuclear cells (PBMCs) isolated from healthy donors. The presence of the high-producer IL-12p40 genotype led to diminished production of IL-10 as determined by the -1082*G allele of SNP in IL10. Significantly decreased IL-10 production was detected in AA+AG/GG in comparison with the low-producer IL-12p40 (AC/CC+AG/GG) genotype combination after stimulation with C3bgp (2+/-4 vs. 29+/-14.2 pg/ml; p=0.0003) and LPS (33.4+/-13.5 vs. 93.3+/-59.6 pg/ml; p=0.019). IL-12p40 production was independent of IL10 genotype. The present results demonstrated that the production of IL-10 from PBMC depended on both -1082A*G in IL10 and +16974A*C in IL12B polymorphisms.
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Affiliation(s)
- Lyuba Miteva
- Department of Molecular Biology, Immunology, & Medical Genetics; Faculty of Medicine, Trakia University, Stara Zagora, Bulgaria
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Takei M, Umeyama A, Shoji N, Hashimoto T. Diterpene, 16-phyllocladanol enhances Th1 polarization induced by LPS-primed DC, but not TNF-alpha-primed DC. Biochem Biophys Res Commun 2008; 370:6-10. [PMID: 18334227 DOI: 10.1016/j.bbrc.2008.02.157] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2008] [Accepted: 02/28/2008] [Indexed: 11/19/2022]
Abstract
16-Phyllocladanol is diterpene isolated form the heartwood of Cryptomeria japonica. We demonstrate that the effect of 16-phyllocladanol on the phenotypic and functional maturation of human monocytes-derived DC in vitro. Human monocytes were exposed to 16-phyllocladanol alone, or in combination with LPS and thereafter co-cultured with naïve T cells. The expression levels of CD83 and HLA-DR on LPS-primed DC were enhanced by 16-phyllocladanol. 16-Phyllocladanol dose-dependently augmented the T cell stimulatory capacity in an allo MLR to LPS-primed DC and the production of IL-12p70 by LPS-primed DC. The cytokine production by 16-phyllocladanol-primed DC was not inhibited by anti-TLR2 and 4 mAbs. IFN-gamma secretion from naïve T cells co-cultured with DC differentiated with LPS was also augmented by 16-phyllocladanol. These results suggest that the enhancement of Th1 cells polarization to LPS-primed DC induced by 16-phyllocladanol via the activation of IL-12p70 and independent on TLR2 or TLR4.
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Affiliation(s)
- Masao Takei
- Division of Cellular Allergology, Research Center Borstel, Parkallee 22, Borstel D-23845, Germany.
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Jackson AM, Mulcahy LA, Zhu XW, O'Donnell D, Patel PM. Tumour-mediated disruption of dendritic cell function: Inhibiting the MEK1/2-p44/42 axis restores IL-12 production and Th1-generation. Int J Cancer 2008; 123:623-32. [DOI: 10.1002/ijc.23530] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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IL12B polymorphisms are linked but not associated with Plasmodium falciparum parasitemia: a familial study in Burkina Faso. Genes Immun 2008; 9:405-11. [DOI: 10.1038/gene.2008.31] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Marquet S, Doumbo O, Cabantous S, Poudiougou B, Argiro L, Safeukui I, Konate S, Sissoko S, Chevereau E, Traore A, Keita MM, Chevillard C, Abel L, Dessein AJ. A functional promoter variant in IL12B predisposes to cerebral malaria. Hum Mol Genet 2008; 17:2190-2195. [DOI: 10.1093/hmg/ddn118] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Chin GK, Adams CL, Carey BS, Shaw S, Tse WY, Kaminski ER. The value of serum neopterin, interferon-gamma levels and interleukin-12B polymorphisms in predicting acute renal allograft rejection. Clin Exp Immunol 2008; 152:239-44. [PMID: 18341612 DOI: 10.1111/j.1365-2249.2008.03632.x] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Acute rejection remains a poor predictor of graft outcome. In this study, we measured serum levels of interferon (IFN)-gamma and neopterin by enzyme-linked immunosorbent assay and a single nucleotide polymorphism (SNP) within the 3' untranslated region of the interleukin (IL)-12 B gene (1188 A/C) to determine whether either of these factors could predict acute rejection in renal transplantation. Significantly higher early post-transplant neopterin levels (days 5-7; 35.7 versus 19.9 nmol/l) were observed in recipients who subsequently rejected their grafts. Post-transplant neopterin levels showed a strong positive correlation with 1-month creatinine levels (Spearman's correlation 0.62, P < 0.001), suggesting macrophage activation early after transplantation. Pretransplant neopterin and IFN-gamma levels and the IL-12B gene SNP did not predict acute rejection in this small retrospective study. The ability to predict acute rejection non-invasively early after transplantation could lead to individual tailoring of immunosuppressive regimens and perhaps lead eventually to longer graft survival.
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Affiliation(s)
- G K Chin
- South-west Transplant Centre, Derriford Hospital, Plymouth, UK
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Moons LMG, Kusters JG, van Delft JHM, Kuipers EJ, Gottschalk R, Geldof H, Bode WA, Stoof J, van Vliet AHM, Ketelslegers HB, Kleinjans JCS, Siersema PD. A pro-inflammatory genotype predisposes to Barrett's esophagus. Carcinogenesis 2008; 29:926-31. [PMID: 18192685 DOI: 10.1093/carcin/bgm241] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
INTRODUCTION Severity of mucosal inflammation is shown to be associated with Barrett's esophagus (BE) development in animals. It has therefore been postulated that a strong pro-inflammatory host response predisposes to BE. AIM To determine the impact of cytokine gene polymorphisms on the development of BE. METHODS The multiplex SNaPshot method was used to determine interleukin (IL)-12B (A+1188C), IL-10 (C-592A, C-819T, A-1082G), IL-8 (A-251T), IL-6 (G-174C) and IL-2 (G-330T) gene polymorphisms in 255 patients with BE and 247 patients with reflux esophagitis (RE). RESULTS The presence of the IL-12B C-allele, which is associated with increased IL-12p70 expression, was more frequently observed in BE than in RE patients [odds ratio (OR) 1.8; 95% confidence interval (CI) 1.2-2.7; P = 0.007). The risk of BE was increased in patients in whom the IL-12B C-allele coincided with a hiatal hernia (OR 2.9; 95% CI 1.32-6.58; P = 0.008). The IL-10(-1082) GG genotype, which is associated with higher IL-10 levels, was also associated with a decreased risk of BE when it was associated with the IL-12B C-allele, indicating IL-10-dependent down-regulation of IL-12p70 expression. A combination of the IL-12B AA genotype and the IL-10 AA or AG genotypes was associated with RE (OR 1.4; 95% CI 1.05-1.85; P = 0.011). CONCLUSION A genetic profile predisposing to a strong pro-inflammatory host response, mediated by IL-12p70 and partially dependent on IL-10, is associated with BE. This risk further increases when this genotype coincides with a hiatal hernia, suggesting that exposure to gastroesophageal reflux in the presence of a pro-inflammatory genetic background is a driving force in the development of BE.
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Affiliation(s)
- L M G Moons
- Department of Gastroenterology and Hepatology, Erasmus MC, University Medical Center Rotterdam, Postbus 2040, 3000 CA Rotterdam, the Netherlands
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Xu H, Zhang Y, Hua Y, Chen T, Wang H, Wu W. IL-12 p35 silenced dendritic cells modulate immune responses by blocking IL-12 signaling through JAK-STAT pathway in T lymphocytes. Biochem Biophys Res Commun 2007; 353:812-6. [PMID: 17194445 DOI: 10.1016/j.bbrc.2006.12.108] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2006] [Accepted: 12/13/2006] [Indexed: 11/18/2022]
Abstract
Dendritic cells (DC) constitute a complex system of uniquely specialized antigen-presenting cells (APC) that play crucial roles in the initiation and regulation of immune responses. Recent studies have demonstrated that DC silenced by siRNA IL-12 p35 showed tolerogenic capacity in vitro. However, their mechanism of action is not fully understood. In this study, IL-12p35 siRNA was chemically synthesized and transfected into DCs. A coculture of T cells and DCs was performed. After 30 min coculture, T cells were harvested and analyzed. We showed that the IL-12 p35 silenced DCs decreased IL-12-induced T cell responses through blocking tyrosine phosphorylation of JAK2, TYK2, STAT3, and STAT4 proteins in T cells. These results demonstrate IL-12 p35 silenced DCs modulate immune responses by blocking IL-12 signaling through JAK-STAT pathway in T cells.
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Affiliation(s)
- Hao Xu
- Department of General Surgery, First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu Province 210009, China
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