1
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Nguyen C, Jordheim LP. [Evaluation of immunotoxicitiy in biomedical research and development]. Biol Aujourdhui 2023; 216:167-181. [PMID: 36744982 DOI: 10.1051/jbio/2022020] [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: 10/21/2022] [Indexed: 02/07/2023]
Abstract
Immunotoxicology aims at studying toxic effects of any substance on the immune system and its functions. In its various fields of application, this science is dependent on regulatory texts and guidelines. Studies are based on in vitro, ex vivo and in vivo techniques and are observational or functional allowing the identification of a toxic effect and its underlying mechanisms, respectively. Here, we review the various tests to perform in biomedical research and development, with a particular interest for the T-cell Dependent Antibody Response (TDAR) assay. We also briefly discuss the upcoming evolutions in this domain within a more ethically sound framework such as limiting the use of laboratory animals. These evolutions are represented by the development of relevant cell models.
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Affiliation(s)
- Cathy Nguyen
- Univ Lyon, Université Claude Bernard Lyon 1, ISPB, F-69008 Lyon, France
| | - Lars Petter Jordheim
- Univ Lyon, Université Claude Bernard Lyon 1, ISPB, INSERM 1052, CNRS 5286, Centre Léon Bérard, Centre de Recherche en Cancérologie de Lyon, F-69008 Lyon, France
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2
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RAMAH A, YASUDA M, OHASHI Y, IMATAKE S, IMAIZUMI N, KIDA T, YANAGITA T, UEMURA R, BAAKHTARI M, BAKRY HH, ABDELALEEM NM, EL-SHEWY EA. Protective effects of probiotics against tannin-induced immunosuppression in broiler chickens. BIOSCIENCE OF MICROBIOTA, FOOD AND HEALTH 2022; 41:168-176. [PMID: 36258768 PMCID: PMC9533031 DOI: 10.12938/bmfh.2021-058] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 05/09/2022] [Indexed: 11/16/2022]
Abstract
Tannins (TAs) are an anti-nutritional substance commonly used as a natural feed additive for livestock. However, our previous study described the dose-dependent adverse effects of TA on immune responses and growth in chickens. In this study, we evaluated the protective effects of a probiotic preparation (BT) consisting of three different bacteria (Bacillus mesenteric, Clostridium butyricum, and Streptococcus faecalis) against TA-induced immunosuppression in chickens. Forty chicks were divided into 4 groups as follows: the CON group (basal diet), BT group supplemented with 3 g BT/kg diet, tannic acid (TA) group supplemented with 30 g TA/kg diet, and BT+TA group supplemented with 3 g BT/kg diet + 30 g TA/kg diet. The feeding trial lasted for 35 days. Lymphocyte subset, macrophage phagocytosis, cytokine mRNA expression, and primary and secondary IgY immune responses were evaluated. BT supplementation significantly improved TA-induced reductions in final body weight, body weight gain, feed intake, and relative weights of lymphoid organs compared with the TA group. Furthermore, in the spleen and cecal tonsil (CT), the relative populations of CD4+, CD8+, and CD4+CD8+ cells in the BT+TA group were significantly ameliorated compared with the TA group. Additionally, comparison with the TA group showed that the chickens in the BT+TA group had an improved relative population of B cells in the CT and that macrophage phagocytosis in the spleen was significantly increased. Chickens in the BT+TA group showed significant increases in IFN-γ and IL-4 mRNA expression in the spleen compared with the TA group. The primary and secondary IgY responses were significantly improved. These results revealed that supplementation with BT protects against TA-induced immunosuppression in chickens.
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Affiliation(s)
- Amany RAMAH
- Graduate School of Medicine and Veterinary Medicine,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
- Laboratory of Veterinary Anatomy, Faculty of Agriculture,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
- Department of Forensic Medicine and Toxicology, Faculty of
Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
| | - Masahiro YASUDA
- Graduate School of Medicine and Veterinary Medicine,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
- Laboratory of Veterinary Anatomy, Faculty of Agriculture,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Yuki OHASHI
- Graduate School of Medicine and Veterinary Medicine,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Shoichiro IMATAKE
- Graduate School of Medicine and Veterinary Medicine,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Noriko IMAIZUMI
- Laboratory of Veterinary Anatomy, Faculty of Agriculture,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Tetsuo KIDA
- Laboratory of Veterinary Anatomy, Faculty of Agriculture,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Tenya YANAGITA
- Laboratory of Veterinary Anatomy, Faculty of Agriculture,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Ryoko UEMURA
- Laboratory of Animal Health, Faculty of Agriculture,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
| | - Mahmoud BAAKHTARI
- Graduate School of Medicine and Veterinary Medicine,
University of Miyazaki, 1-1 Gakuen Kibanadai-nishi, Miyazaki 889-2192, Japan
- Faculty of Veterinary Science, Balkh University, Balkh 1702,
Afghanistan
| | - Hatem H. BAKRY
- Department of Forensic Medicine and Toxicology, Faculty of
Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
| | - Nabila M. ABDELALEEM
- Department of Forensic Medicine and Toxicology, Faculty of
Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
| | - Elham A EL-SHEWY
- Department of Forensic Medicine and Toxicology, Faculty of
Veterinary Medicine, Benha University, Qalyubia 13518, Egypt
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3
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Zhong W, Chang P, Gan L, Zhong L, Yang Z. A T-cell-dependent antibody response (TDAR) method in BALB/c mice based on a cytometric bead array. J Immunotoxicol 2022; 19:34-40. [PMID: 35477374 DOI: 10.1080/1547691x.2022.2067273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
Abstract
Most current methods to assess T-cell-dependent antibody responses (TDAR) are semi-quantitative and based on measures of antibody titer generated against a standard antigen like keyhole limpet hemocyanin (KLH). The precision, sensitivity, and convenience of TDAR assays might be improved by applying rapid, sensitive, specific cytometric bead assays (CBA). In the study here, KLH antigen was covalently coupled onto the surface of cytometric beads using immune microsphere technology, and IgM antibody capture spheres were prepared for use in pretreatment processing of samples. The working parameters associated with this novel TDAR-CBA system were optimized in orthogonal experiments. The optimal concentration of the KLH coating solution in this system was 160 μg/ml, that of the anti-KLH IgG capture spheres 6.0 × 105/ml, and the optimal dilution of fluorescein isothiocyanate (FITC)-conjugated Affini-Pure Goat Anti-Mouse IgG (H + L) was 60 μg/ml. Repeated tests indicated that this approach yielded good linearity (r2 = 0.9937) method, with a within-run precision of 3.1-4.9%, and a between-run precision of 4.4-4.9%. This new approach had a limit of detection of 113.43 ng/ml (linear range = 390.63-50 000), and an interference rate of just 0.04-3.51%. Based on these findings, it seems that a new mouse TDAR assay based on CBA can be developed that would appear to be more sensitive, accurate, and precise than the current TDAR assay approaches based on traditional ELISA.
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Affiliation(s)
- Wenhua Zhong
- Hainan Medical University, Research Center for Drug Safety Evaluation of Hainan Province, Haikou, China
| | - Penghuan Chang
- Haikou Municipal People's Hospital and Xiangya Medical College Affiliated Hospital, Nursing Department, Haikou, China
| | - Lianfang Gan
- Hainan Medical University, Research Center for Drug Safety Evaluation of Hainan Province, Haikou, China
| | - Lifan Zhong
- Hainan Medical University, Research Center for Drug Safety Evaluation of Hainan Province, Haikou, China
| | - Zhaoxin Yang
- Hainan Medical University, Research Center for Drug Safety Evaluation of Hainan Province, Haikou, China
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4
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Suppression of Th2 cytokines as a potential mechanism for reduced antibody response following PFOA exposure in female B6C3F1 mice. Toxicol Lett 2021; 351:155-162. [PMID: 34517056 DOI: 10.1016/j.toxlet.2021.09.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 08/03/2021] [Accepted: 09/07/2021] [Indexed: 01/09/2023]
Abstract
Perfluorooctanoic acid (PFOA), a member of the Per- and polyfluoroalkyl substances, is a highly persistent "forever" chemicals with increasing concern for its potential health effects. However, the mechanisms of PFOA immunotoxic effects are poorly understood. We assessed the antibody response to a physiological antigen stimulation and associated cytokine response upon PFOA exposure. The significant decrease in the IgM antibody response to the T cell dependent antigen keyhole limpet hemocyanin (KLH) at a dose lower than the previously documented LOAEL was accompanied by a significant reduction of the Th2 serum cytokines IL-5 and IL-13, a non-significant dose-response reduction of IL-4, a significant reduction of the Th1 cytokine IL-12, and a non-significant dose-response increase in IL-2 and IFNγ. PFOA significantly decreased the pro-inflammatory cytokines IL-17α and IL-1α, decreased (non-significantly but dose-response) IL-6, and a significantly increased TNFα. Overall, the modulation of serum Th1/Th2 cytokines could explain the reduction in antibody response, pointing to a potential role for T helper cells in the immunotoxicity of PFOA. Further, the higher than anticipated weight loss and increased liver weight, compared to previous studies using similar doses, highlight the potential importance of the route and duration of exposure, contributing to the total accumulated dose, in assessing the toxicity of PFOA.
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Permpoon U, Khan F, Vadevoo SMP, Gurung S, Gunassekaran GR, Kim MJ, Kim SH, Thuwajit P, Lee B. Inhibition of Tumor Growth against Chemoresistant Cholangiocarcinoma by a Proapoptotic Peptide Targeting Interleukin-4 Receptor. Mol Pharm 2020; 17:4077-4088. [PMID: 32881535 DOI: 10.1021/acs.molpharmaceut.0c00529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Cholangiocarcinoma (CCA) has a poor prognosis and high chemoresistance. Interleukin-4 receptor (IL-4R) is overexpressed in several cancer cells and plays a crucial role in tumor progression and drug resistance. IL4RPep-1, an IL-4R-binding peptide, has been identified by phage display and used for tumor targeting. In this study, we exploited IL4RPep-1 to guide the tumor-specific delivery of a proapoptotic peptide to chemoresistant CCA, thereby inhibiting tumor growth. Immunohistochemistry of human primary CCA tissues showed that IL-4R levels were upregulated in moderately to poorly differentiated types, and higher levels of IL-4R are correlated with lower survival rates in patients with CCA. IL4RPep-1 was observed to preferentially bind with high IL-4R-expressing KKU-213 human CCA cells, whereas it barely bound with low IL-4R-expressing KKU-055 cells. A hybrid of IL4RPep-1 and a proapoptotic peptide (KLAKLAK)2 (named as IL4RPep-1-KLA) induced cytotoxicity and apoptosis in KKU-213 cells and increased those levels induced by 5-fluorouracil (5-FU). IL4RPep-1-KLA was internalized in the cells and colocalized with mitochondria. Whole-body fluorescence imaging and immunohistochemical analysis of tumor tissues showed the homing of IL4RPep-1-KLA as well as IL4RPep-1 to KKU-213 tumor in mice. Systemic administration of IL4RPep-1-KLA efficiently inhibited KKU-213 tumor growth, whereas treatment with 5-FU alone did not significantly inhibit tumor growth in mice. No significant systemic side effects including liver toxicity and immunotoxicity were observed in mice during peptide treatments. These findings suggest that IL4RPep-1-KLA holds potential as a targeted therapeutic agent against chemoresistant CCA.
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Affiliation(s)
- Uttapol Permpoon
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Division of Biomedical Sciences, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Fatima Khan
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Division of Biomedical Sciences, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea
| | - Sri Murugan Poonkavithai Vadevoo
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Division of Biomedical Sciences, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea
| | - Smriti Gurung
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Division of Biomedical Sciences, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea
| | - Gowri Rangaswamy Gunassekaran
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea
| | - Min-Jong Kim
- Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Division of Biomedical Sciences, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Department of Pharmacology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea
| | - Sang-Hyun Kim
- Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Division of Biomedical Sciences, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Department of Pharmacology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea
| | - Peti Thuwajit
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand
| | - Byungheon Lee
- Department of Biochemistry and Cell Biology, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Cell & Matrix Research Institute, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea.,Division of Biomedical Sciences, School of Medicine, Kyungpook National University, 680 Gukchaebosangro, Junggu, Daegu 41944, Republic of Korea
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Talayev V, Zaichenko I, Svetlova M, Matveichev A, Babaykina O, Voronina E, Mironov A. Low-dose influenza vaccine Grippol Quadrivalent with adjuvant Polyoxidonium induces a T helper-2 mediated humoral immune response and increases NK cell activity. Vaccine 2020; 38:6645-6655. [PMID: 32873403 DOI: 10.1016/j.vaccine.2020.07.053] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 07/21/2020] [Accepted: 07/26/2020] [Indexed: 12/20/2022]
Abstract
The influenza vaccine Grippol® Quadrivalent (GQ) is a new vaccine, containing the adjuvant Polyoxidonium® and recombinant hemagglutinins from 4 strains of the influenza virus in amount of 5-6 μg of each hemagglutinin per human dose. These doses of antigens are about 3 times less than the standard dose recommended by WHO. We sought to characterize the immune response to the GQ vaccine and to determine the contribution of the adjuvant in this response. BALB/c mice were vaccinated with GQ or with adjuvant-free antigen mixtures (AGs). Then, the antibody response, the number of memory T cells in the spleen, and the functional properties of splenocytes were determined. The vaccine GQ has been shown to induce antibodies to all 4 influenza hemagglutinins. The vaccination with GQ caused a strong increase in the AG-induced proliferation and production of Th2 cytokines ex vivo. These effects were equal to effect achieved by standard dose of antigens. Vaccination also caused the accumulation of CD4+ large lymphocytes with the phenotype of central and effector memory T cells in the spleen. The GQ vaccine enhanced the cytolytic activity of natural killer (NK) cells, whereas the adjuvant-free mixture of AGs in lowered and standard doses did not affect NK activity. We did not find a noticeable response of Th1 and CD8+ T cells to vaccination. In vitro, the GQ vaccine stimulated the maturation of human monocyte-derived dendritic cells (DCs) enhancing the expression of HLA-DR, CD80, CD83, CD86 and ICOSL molecules. Polyoxidonium without AGs also induced expression of ICOSL, which plays an important role in T-dependent humoral immune response. In summary, the low-dose influenza vaccine GQ with Polyoxidonium adjuvant is immunogenic, induces a Th2-polarized T-cell response and CD4+ memory T cells maturation, activates the production of antibodies to influenza hemagglutinins, and increases the activity of NK cells.
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Affiliation(s)
- Vladimir Talayev
- Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology of Rospotrebnadzor (Russian Federal Consumer Rights Protection and Human Health Control Service), 603950, 71 M. Yamskay str., Nizhny Novgorod, Russia.
| | - Irina Zaichenko
- Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology of Rospotrebnadzor (Russian Federal Consumer Rights Protection and Human Health Control Service), 603950, 71 M. Yamskay str., Nizhny Novgorod, Russia
| | - Maria Svetlova
- Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology of Rospotrebnadzor (Russian Federal Consumer Rights Protection and Human Health Control Service), 603950, 71 M. Yamskay str., Nizhny Novgorod, Russia
| | - Alexei Matveichev
- NPO Petrovax Pharm LLC, 142143, 1 Sosnovaya St., Pokrov Village, Podolsk, Moscow Region, Russia
| | - Olga Babaykina
- Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology of Rospotrebnadzor (Russian Federal Consumer Rights Protection and Human Health Control Service), 603950, 71 M. Yamskay str., Nizhny Novgorod, Russia
| | - Elena Voronina
- Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology of Rospotrebnadzor (Russian Federal Consumer Rights Protection and Human Health Control Service), 603950, 71 M. Yamskay str., Nizhny Novgorod, Russia
| | - Andrei Mironov
- Lobachevsky State University of Nizhny Novgorod, 603950, 23 Prospekt Gagarina (Gagarin Avenue), Nizhny Novgorod, Russia
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Ramah A, Yasuda M, Ohashi Y, Urakawa M, Kida T, Yanagita T, Uemura R, Bakry HH, Abdelaleem NM, El-Shewy EA. Different doses of tannin reflect a double-edged impact on broiler chicken immunity. Vet Immunol Immunopathol 2019; 220:109991. [PMID: 31855744 DOI: 10.1016/j.vetimm.2019.109991] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 12/05/2019] [Accepted: 12/07/2019] [Indexed: 11/26/2022]
Abstract
Tannin is one of the most common phytochemical secondary phenolic metabolites, which is widely distributed in various plant production systems. Dietary intake of tannin can exert different actions on the immune system. The aim of this study was to evaluate the influence of different concentrations on broiler chicken immunity. Three groups (n = 10 in each group) were evaluated: control group given a normal basal diet, high tannic acid (HT) group given high-dose tannic acid (30 g/kg diet) and low tannic acid (LT) group given low-dose tannic acid (0.5 g/kg diet) for 35 days. Feed intake and body weight were measured weekly. Cells were isolated from thymus, spleen and caecal tonsils at the end of the study. Lymphocyte subsets, monocytes phagocytosis and cytokine mRNA expression in spleen were evaluated. The results showed that HT group chickens had decreased daily gain, final body weight, daily feed intake and relative weights of lymphoid organs compared with other groups. In thymus, spleen and caecal tonsils, relative CD4+, CD8+, CD4+CD8+ and γδ+ cell populations in the HT group were significant decreased in comparison with those of other groups. The relative B cell population in the HT group was also significant decreased. Cytokine mRNA expression in spleen cells of the HT group was also significantly lower than that in other groups. Conversely, CD4+CD8+ subpopulations in spleen and caecal tonsils, γδ+ cells in spleen and B cells in caecal tonsils of the LT group were significantly higher than those of the control group. In addition, IFN-γ mRNA expression in the LT group was significantly higher than that of the control group. These results demonstrated that dietary intake of tannin had positive and negative effects on broiler chicken immunity in a dose-dependent manner.
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Affiliation(s)
- Amany Ramah
- Laboratory of Veterinary Anatomy, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan; Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia, 13518, Egypt
| | - Masahiro Yasuda
- Laboratory of Veterinary Anatomy, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan.
| | - Yuki Ohashi
- Laboratory of Veterinary Anatomy, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Marimu Urakawa
- Laboratory of Veterinary Anatomy, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Tetsuo Kida
- Laboratory of Veterinary Anatomy, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Tenya Yanagita
- Laboratory of Veterinary Anatomy, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Ryoko Uemura
- Laboratory of Animal Health, Faculty of Agriculture, University of Miyazaki, Miyazaki, 889-2192, Japan
| | - Hatem H Bakry
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia, 13518, Egypt
| | - Nabila M Abdelaleem
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia, 13518, Egypt
| | - Elham A El-Shewy
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Benha University, Qalyubia, 13518, Egypt
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8
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Salazar ML, Jiménez JM, Villar J, Rivera M, Báez M, Manubens A, Becker MI. N-Glycosylation of mollusk hemocyanins contributes to their structural stability and immunomodulatory properties in mammals. J Biol Chem 2019; 294:19546-19564. [PMID: 31719148 PMCID: PMC6926458 DOI: 10.1074/jbc.ra119.009525] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 10/29/2019] [Indexed: 12/16/2022] Open
Abstract
Hemocyanins are widely used as carriers, adjuvants, and nonspecific immunostimulants in cancer because they promote Th1 immunity in mammals. Hemocyanins also interact with glycan-recognizing innate immune receptors on antigen-presenting cells, such as the C-type lectin immune receptors mannose receptor (MR), macrophage galactose lectin (MGL), and the Toll-like receptors (TLRs), stimulating proinflammatory cytokine secretion. However, the role of N-linked oligosaccharides on the structural and immunological properties of hemocyanin is unclear. Mollusk hemocyanins, such as Concholepas concholepas (CCH), Fissurella latimarginata (FLH), and Megathura crenulata (KLH), are oligomeric glycoproteins with complex dodecameric quaternary structures and heterogeneous glycosylation patterns, primarily consisting of mannose-rich N-glycans. Here, we report that enzyme-catalyzed N-deglycosylation of CCH, FLH, and KLH disrupts their quaternary structure and impairs their immunogenic effects. Biochemical analyses revealed that the deglycosylation does not change hemocyanin secondary structure but alters their refolding mechanism and dodecameric structure. Immunochemical analyses indicated decreased binding of N-deglycosylated hemocyanins to the MR and MGL receptors and TLR4 and reduced endocytosis concomitant with an impaired production of tumor necrosis factor α, and interleukins 6 and 12 (IL-6 and IL-12p40, respectively) in macrophages. Evaluating the function of N-deglycosylated hemocyanins in the humoral immune response and their nonspecific antitumor effects in the B16F10 melanoma model, we found that compared with native hemocyanins N-deglycosylated hemocyanins elicited reduced antibody titers, as well as partially diminished antitumor effects and altered carrier activities. In conclusion, the glycan content of hemocyanins is, among other structural characteristics, critically required for their immunological activities and should be considered in biomedical applications.
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Affiliation(s)
- Michelle L Salazar
- Fundación Ciencia y Tecnología para el Desarrollo (FUCITED), Santiago 7750269, Chile
| | - José M Jiménez
- Fundación Ciencia y Tecnología para el Desarrollo (FUCITED), Santiago 7750269, Chile
| | - Javiera Villar
- Fundación Ciencia y Tecnología para el Desarrollo (FUCITED), Santiago 7750269, Chile
| | - Maira Rivera
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago 8380494, Chile
| | - Mauricio Báez
- Departamento de Bioquímica y Biología Molecular, Facultad de Ciencias Químicas y Farmacéuticas, Universidad de Chile, Santiago 8380494, Chile
| | - Augusto Manubens
- Departamento de Investigación y Desarrollo, Biosonda Corp., Santiago 7750269, Chile
| | - María Inés Becker
- Fundación Ciencia y Tecnología para el Desarrollo (FUCITED), Santiago 7750269, Chile .,Departamento de Investigación y Desarrollo, Biosonda Corp., Santiago 7750269, Chile
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9
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Ogawa B, Nakanishi Y, Koyama T, Arima K, Sasaki M. Strain differences in histopathological features of lymphoid tissues of SD and F344 rats in a T cell-dependent antibody response assay of cyclophosphamide. J Toxicol Pathol 2019; 32:143-154. [PMID: 31404373 PMCID: PMC6682558 DOI: 10.1293/tox.2018-0052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 03/04/2019] [Indexed: 11/19/2022] Open
Abstract
When conducting histopathological evaluation of lymphoid tissues, it is necessary to
know the variability and strain differences in histological features of different sites of
lymphoid tissues. To investigate in detail the variability of lymphoid tissues and strain
differences of control rats as well as those of immune reactivity and sensitivity to
immunosuppression, we performed a histopathological analysis of various lymphoid tissues
in conjunction with the evaluation of immune function in a T cell-dependent antibody
response (TDAR) assay with cyclophosphamide (CP) in Sprague Dawley (SD) and F344 rats.
Six-week-old male SD and F344 rats were orally treated with CP at 0 (control) or 4
mg/kg/day for 28 days; keyhole limpet hemocyanin (KLH) was introduced intravenously on
Days 14 and 23, and the serum concentrations of anti-KLH antibodies were measured. HE
staining and immunohistochemistry for T-cell (CD3) and B-cell (CD45RA) markers were
performed using tissues from the spleen, thymus, and various lymph nodes. In CP-treated
rats of both strains, decreased concentrations of anti-KLH antibodies were observed.
Histopathological analysis revealed decreased lymphocytes mainly in the B-cell area, and
these changes induced by CP treatment were more prominent in the F344 rats than in the SD
rats. The present study also demonstrated that some of the lymphoid tissues of the control
F344 rats were less developed than those of the control SD rats, suggesting that F344 rats
might be easily affected by CP-induced immunosuppression. This information concerning rat
strain differences in lymphoid tissues will be useful in histopathological evaluation for
drug-induced immunotoxicity.
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Affiliation(s)
- Bunichiro Ogawa
- Drug Safety and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403 Yoshino-cho, Kita-ku, Saitama-shi, Saitama 331-9530, Japan
| | - Yutaka Nakanishi
- Drug Safety and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403 Yoshino-cho, Kita-ku, Saitama-shi, Saitama 331-9530, Japan
| | - Tomoko Koyama
- Drug Safety and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403 Yoshino-cho, Kita-ku, Saitama-shi, Saitama 331-9530, Japan
| | - Kazunori Arima
- Drug Safety and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403 Yoshino-cho, Kita-ku, Saitama-shi, Saitama 331-9530, Japan
| | - Minoru Sasaki
- Drug Safety and Pharmacokinetics Laboratories, Taisho Pharmaceutical Co., Ltd., 1-403 Yoshino-cho, Kita-ku, Saitama-shi, Saitama 331-9530, Japan
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10
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Chang P, Huang L, Huang M, Tian S, Yang Z. Improvement and optimization of a T-cell-dependent antibody response (TDAR) method for BALB/c mice using keyhole limpet hemocyanin (KLH) as specific antigen. J Immunotoxicol 2019. [PMID: 31290717 DOI: 10.1080/1547691x.2019.1635234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Although T-cell-dependent antibody response (TDAR) assays with keyhole limpet hemocyanin (KLH) as specific antigen have many advantages, most experiments produce qualitative results based on antibody titers. It was hypothesized that if experimental conditions (like antigen coating concentration, serum dilution, and detecting [here, horseradish peroxidase-goat anti-mouse IgG] antibody dilution) could be optimized, the resulting measured value (here, optical density) could be used to directly analyze and evaluate the experimental results. This means specifically that the assay OD values could be used for approximate quantitative statistical analysis; it does not require a further conversion of the data into qualitative forms or require obtaining further titer data from additional experiments. As such, the use of this "improved" assay would: greatly reduce the complexity of experimental operations; improve overall sensitivity and practicality of traditional TDAR assays; and, allow for direct assessing of any immunosuppression caused by a test drug in a host. Here, KLH-immunized serum was obtained from BALB/c mice, and the means to detect serum anti-KLH antibodies by an indirect ELISA were optimized. The results indicated that in this system, the optimal KLH coating concentration was 80 μg/ml, the optimal dilution range of the serum (at immunization dose of 5 mg KLH/kg) was 1:200-1:800, and the optimal dilution of HRP-goat anti-mouse IgG antibody was 1:16,000. Methodology verification was performed and a regression model of y = 144.16x + 0.9815 (R2 = 0.9571, indicating very good linearity) was obtained. Intragroup precision was 7.51-9.40%; the intergroup coefficient of variation was 9.83-14.22%. The lower limit of detection was 0.1385. The present results showed this indirect ELISA exhibited very good linearity, accuracy, and precision.
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Affiliation(s)
- Penghuan Chang
- a Haikou Municipal People's Hospital and Xiangya Medical College Affiliated Hospital , Haikou , China
| | - Ling Huang
- b Research Center for Drug Safety Evaluation of Hainan Province , Hainan Medical College , Haikou , China
| | - Mianqing Huang
- b Research Center for Drug Safety Evaluation of Hainan Province , Hainan Medical College , Haikou , China
| | - Shuhong Tian
- b Research Center for Drug Safety Evaluation of Hainan Province , Hainan Medical College , Haikou , China
| | - Zhaoxin Yang
- b Research Center for Drug Safety Evaluation of Hainan Province , Hainan Medical College , Haikou , China
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11
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Artemisinin analogue SM934 attenuate collagen-induced arthritis by suppressing T follicular helper cells and T helper 17 cells. Sci Rep 2016; 6:38115. [PMID: 27897259 PMCID: PMC5126690 DOI: 10.1038/srep38115] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2016] [Accepted: 11/04/2016] [Indexed: 12/20/2022] Open
Abstract
SM934 is an artemisinin analogue with immunosuppressive properties and potent therapeutic activity against lupus-like diseases in autoimmune mice. In this report, the therapeutic efficacy and underlying mechanisms of SM934 on rheumatoid arthritis (RA) was investigated using collagen-induced arthritis (CIA) in DBA/1J mice. We demonstrated that SM934 treatment alleviate the severity of arthritis in CIA mice with established manifestations. The therapeutic benefits were associated with ameliorated joint swelling and reduced extent of bone erosion and destruction. Further, administration of SM934 diminished the development of T follicular helper (Tfh) cells and Th17 cells and suppressed the production of pathogenic antibodies, without altering the proportion of germinal center B cells. Ex vivo, SM934 treatment inhibited the bovine type II collagen (CII) induced proliferation and inflammatory cytokines secretion of CII -reactive T cells. In vitro, SM934 impeded the polarization of naïve CD4+ T cells into Tfh cells and the expression of its transcript factor Bcl-6. Moreover, SM934 decreased the IL-21-producing CD4+ T cells and dampened the IL-21 downstream signaling through STAT3. These finding offered the convincing evidence that artemisinin derivative might attenuate RA by simultaneously interfering with the generation of Tfh cells and Th17 cells as well as the subsequent antibody-mediated immune responses.
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12
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The T-cell-dependent antibody response assay in nonclinical studies of pharmaceuticals and chemicals: study design, data analysis, interpretation. Regul Toxicol Pharmacol 2014; 69:7-21. [PMID: 24566336 DOI: 10.1016/j.yrtph.2014.02.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2013] [Revised: 02/12/2014] [Accepted: 02/13/2014] [Indexed: 11/22/2022]
Abstract
The T-cell-dependent antibody response (TDAR) assay is a measure of immune function that is dependent upon the effectiveness of multiple immune processes, including antigen uptake and presentation, T cell help, B cell activation, and antibody production. It is used for risk and safety assessments, in conjunction with other toxicologic assessments, by the chemical and pharmaceutical industries, and research and regulatory agencies. It is also employed to evaluate investigational drug efficacy in animal pharmacology studies, provide evidence of biological impact in clinical trials, and evaluate immune function in patients with primary or secondary immunodeficiency diseases. Various immunization schemes, analytical methods, approaches to data analysis, and data interpretations are in use. This manuscript summarizes some recommended practices for the conduct and interpretation of the assay in animal studies.
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Hornberg JJ, Laursen M, Brenden N, Persson M, Thougaard AV, Toft DB, Mow T. Exploratory toxicology as an integrated part of drug discovery. Part II: Screening strategies. Drug Discov Today 2013; 19:1137-44. [PMID: 24374152 DOI: 10.1016/j.drudis.2013.12.009] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Revised: 11/18/2013] [Accepted: 12/18/2013] [Indexed: 12/31/2022]
Abstract
In an effort to reduce toxicity-related attrition, different strategies have been implemented throughout the pharmaceutical industry. Previously (in Part I), we have outlined our 'integrated toxicology' strategy, which aims to provide timely go/no-go decisions (fail early) but also to show a direction to the drug discovery teams (showing what will not fail). In this review (Part II of the series) we describe our compound testing strategies with respect to cardiovascular safety, hepatotoxicity, genotoxicity, immunotoxicity and exploratory in vivo toxicity. We discuss the in vitro, ex vivo and in vivo assays and models we employ to assess safety risks and optimize compound series during the drug discovery process, including their predictivity and the decisions they generate.
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Affiliation(s)
- Jorrit J Hornberg
- Department of Exploratory Toxicology, H. Lundbeck A/S, Ottiliavej 9, DK-2500 Valby, Denmark
| | - Morten Laursen
- Department of Exploratory Toxicology, H. Lundbeck A/S, Ottiliavej 9, DK-2500 Valby, Denmark
| | - Nina Brenden
- Department of Exploratory Toxicology, H. Lundbeck A/S, Ottiliavej 9, DK-2500 Valby, Denmark
| | - Mikael Persson
- Department of Exploratory Toxicology, H. Lundbeck A/S, Ottiliavej 9, DK-2500 Valby, Denmark
| | - Annemette V Thougaard
- Department of Exploratory Toxicology, H. Lundbeck A/S, Ottiliavej 9, DK-2500 Valby, Denmark
| | - Dorthe B Toft
- Department of Exploratory Toxicology, H. Lundbeck A/S, Ottiliavej 9, DK-2500 Valby, Denmark
| | - Tomas Mow
- Department of Exploratory Toxicology, H. Lundbeck A/S, Ottiliavej 9, DK-2500 Valby, Denmark.
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Fujihara M, Takahashi D, Abe H, Sakai H, Horinouchi H, Kobayashi K, Ikeda H, Azuma H. Primary and secondary immune responses to keyhole limpet hemocyanin in rats after infusion of hemoglobin vesicle, an artificial oxygen carrier. Artif Organs 2013; 38:234-8. [PMID: 24033558 DOI: 10.1111/aor.12148] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Hemoglobin vesicles (HbVs), artificial oxygen carriers encapsulating concentrated Hb solution on phospholipid vesicles (liposomes), are promising candidates for clinically useful transfusion. Although HbV infusion transiently suppressed the proliferative response of rat splenic T-cells to concanavalin A or keyhole limpet hemocyanin (KLH), a T-cell-dependent antigen, in ex vivo culture conditions, HbV infusion did not affect the primary IgG antibody response. We extended our assessment of the effects of HbV infusion on the systemic immune response using primary and secondary responses to KLH in rats. We observed that the generation of primary anti-KLH IgM antibody in HbV-infused rats was not suppressed but was instead higher than those in saline-infused rats. Furthermore, HbV infusion did not suppress the increase of IgG subclass of KLH antibody in secondary response. The T cell response to KLH of bulk spleen cells, as derived from 2-3 months after secondary KLH immunization, was unaffected by infusion of HbV, suggesting that HbV loading has no suppressive effect on homeostatic survival of memory T-cells against KLH. These results indicate that HbV is highly biocompatible in systemic immune responses in rats.
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15
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Theoretical analysis of the neuraminidase epitope of the Mexican A H1N1 influenza strain, and experimental studies on its interaction with rabbit and human hosts. Immunol Res 2013; 56:44-60. [DOI: 10.1007/s12026-013-8385-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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16
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Kawai R, Aida T, Hattori H, Furukawa T, Mori K, Takasaki W, Takahashi N, Kawada T. Evaluation of canine T-cell dependent antibody response to the primary and secondary immunization with keyhole limpet hemocyanin. J Toxicol Sci 2013; 38:571-9. [DOI: 10.2131/jts.38.571] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Ryota Kawai
- Medicinal Safety Research Laboratories, Daiichi Sankyo Co., Ltd
| | - Tetsuo Aida
- Medicinal Safety Research Laboratories, Daiichi Sankyo Co., Ltd
| | | | | | - Kazuhiko Mori
- Medicinal Safety Research Laboratories, Daiichi Sankyo Co., Ltd
| | - Wataru Takasaki
- Medicinal Safety Research Laboratories, Daiichi Sankyo Co., Ltd
| | - Nobuyuki Takahashi
- Laboratory of Molecular Function of Food, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
| | - Teruo Kawada
- Laboratory of Molecular Function of Food, Division of Food Science and Biotechnology, Graduate School of Agriculture, Kyoto University
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