1
|
Zamuner F, Carpenter EK, Gebrekidan H, Arcos-Gómez G, Parkinson A, Cameron AWN, Leury BJ, DiGiacomo K. Successful transfer of passive immunity: the natural alternative to antibiotics for boosting the survival of intensively reared dairy goat kids. Animal 2024; 18:101040. [PMID: 38101110 DOI: 10.1016/j.animal.2023.101040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/16/2023] [Accepted: 11/17/2023] [Indexed: 12/17/2023] Open
Abstract
In dairy operations, antibiotics have traditionally been used to treat, prevent, and control diseases. However, given the mounting global crisis of antimicrobial resistance (AMR), farmers are urged to re-assess and reduce their reliance on antibiotics. Thus, this randomized, double-blinded cohort study aimed to estimate the prevalence of failed and successful transfer of passive immunity (FTPI and STPI) in dairy goat kids reared under commercial conditions, and the effects of antibiotic metaphylaxis on the pre-weaning (≤42 d old) mortality in FTPI and STPI kids. Plasma concentration of immunoglobulin G at 1d old (pIgG-24 h) was measured in 747 male Saanen kids for the determination of FTPI and STPI (pIgG-24 h < 12 and ≥12 g/L, respectively). Kids were then randomly divided into two groups: those receiving a single penicillin injection at 1 d old (PEN), and those receiving no treatment (CTR). The mean (±SD) pIgG-24 h and initial BW (IBW) were 17 ± 9.8 g/L and 4.1 ± 0.64 kg. The prevalence of FTPI was 29% (220/747 kids). Gastrointestinal complications were the primary cause of death (41%), followed by septicemia (22%) and arthritis (17%). A single penicillin injection reduced preweaning mortality by 55% (10 vs 22%, PEN vs CTR). However, results suggest that such a decline was mainly driven by the improved survival rates among FTPI kids, which increased by 19% (from 62% in CTR-FTPI to 82% in PEN-FTPI), as opposed to an 8% increase among STPI kids (from 85% in CTR-STPI to 93% in PEN-STPI). Additionally, the odds of mortality ≤ 42 d old were threefold higher in the CTR-FTPI group when compared to both the CTR-STPI and PEN-FTPI groups, suggesting a potential parity between STPI and PEN for mortality rate reduction. Taken together, the results indicate that although metaphylactic antibiotics can halve preweaning mortality, similar improvements are likely to be achieved via increased STPI rates. Furthermore, by targeting metaphylactic interventions to high-risk groups (i.e., those displaying signs of inadequate colostrum intake and/or low birth BW), farmers could reduce treatment costs and mitigate AMR risks. While these findings carry considerable weight for commercial dairy goat practices, their applicability to other systems (i.e., extensive, semi-intensive, mohair, meat systems) warrants further investigation.
Collapse
Affiliation(s)
- F Zamuner
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science - The University of Melbourne, Parkville, Victoria 3010, Australia.
| | - E K Carpenter
- Meredith Dairy Pty Ltd., 106 Cameron Rd, Meredith, Victoria 3333, Australia
| | - H Gebrekidan
- Meredith Dairy Pty Ltd., 106 Cameron Rd, Meredith, Victoria 3333, Australia
| | - G Arcos-Gómez
- Meredith Dairy Pty Ltd., 106 Cameron Rd, Meredith, Victoria 3333, Australia
| | - A Parkinson
- Meredith Dairy Pty Ltd., 106 Cameron Rd, Meredith, Victoria 3333, Australia
| | - A W N Cameron
- Meredith Dairy Pty Ltd., 106 Cameron Rd, Meredith, Victoria 3333, Australia
| | - B J Leury
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science - The University of Melbourne, Parkville, Victoria 3010, Australia
| | - K DiGiacomo
- School of Agriculture, Food and Ecosystem Sciences, Faculty of Science - The University of Melbourne, Parkville, Victoria 3010, Australia
| |
Collapse
|
2
|
Yang ZR, Li JX, Zheng ZQ, Zhao C, Wang Y, Li M, Nanaei HA, Dai XL, Li YJ, Li R, Cao CN, Li M, Jiang Y, Zheng WX, Wang XH. Allele-specific expression analyses reveal immune divergences between ibex and goat species. Zool Res 2022; 43:671-674. [PMID: 35791614 PMCID: PMC9336447 DOI: 10.24272/j.issn.2095-8137.2022.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Affiliation(s)
- Zhi-Rui Yang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jia-Xin Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhu-Qing Zheng
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chen Zhao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yu Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ming Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hojjat Asadollahpour Nanaei
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
- Department of Animal Science, Faculty of Agriculture, Shahid Bahonar University of Kerman, Kerman, PB 76169-133, Iran
| | - Xue-Lei Dai
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yun-Jia Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ran Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chun-Na Cao
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Mao Li
- Tropical Crops Genetic Resources Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan 571700, China
| | - Yu Jiang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China. E-mail:
| | - Wen-Xin Zheng
- Xinjiang Academy of Animal Sciences, Urumqi, Xinjiang 830011, China. E-mail:
| | - Xi-Hong Wang
- Key Laboratory of Animal Genetics, Breeding and Reproduction of Shaanxi Province, College of Animal Science and Technology, Northwest A&F University, Yangling, Shaanxi 712100, China. E-mail:
| |
Collapse
|
3
|
Yirsaw AW, Gillespie A, Britton E, Doerle A, Johnson L, Marston S, Telfer J, Baldwin CL. Goat γδ T cell subpopulations defined by WC1 expression, responses to pathogens and cytokine production. Dev Comp Immunol 2021; 118:103984. [PMID: 33352199 DOI: 10.1016/j.dci.2020.103984] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Revised: 12/15/2020] [Accepted: 12/15/2020] [Indexed: 06/12/2023]
Abstract
The major functions of γδ T cells in mammals overlap with those of αβ T cells but differ in that γδ T cells are rapid responders and see different types of antigens. While γδ T cells have been shown to be a major population of circulating lymphocytes in artiodactyl species such as cattle, sheep, and pigs, less is known about these cells in goats, an important agricultural species. We have recently shown that WC1, a γδ T cell-specific family of hybrid pattern recognition receptors/co-receptors, is a multigenic family in goats expanded beyond what occurs in cattle. This study was conducted to address some of the limitations of previous studies in determining the proportions of γδ T cells, WC1+ γδ T cells as well as the WC1.1+ and WC1.2+ subpopulations in blood and to evaluate their responses to various pathogens. Previously, the proportion of caprine γδ T cells was determined using a monoclonal antibody (mAb) 86D that we show here does not react with all γδ T cells thereby underestimating their contribution to the lymphocyte population. Using a mAb reactive with the TCRδ constant region we found the proportion of γδ T cells in blood was not significantly less than that of either CD4 or CD8 T cells and did not decrease with age after 6 months. γδ T cells that expressed WC1 ranged from ~20 to 85% of the total γδ T cells. Less than half of those were classified as WC1.1+ or WC1.2+ by mAb staining thus indicating a third major WC1+ population. We found that naïve γδ T cells proliferated in cultures of PBMC stimulated with antigens of Leptospira or Mycobacterium avium paratuberculosis (MAP) more than they did in control medium cultures or in those stimulated with M. bovis BCG antigens and that the responding γδ T cells included both WC1+ and WC1- cells. In ex vivo PMA/ionomycin-stimulated cultures of WC1- γδ T cells but not WC1+ cells produced both IL-17 and IFNγ. In longterm cultures with Leptospira or MAP both WC1- and WC1+ cells proliferated but only WC1- γδ T cells produced IL-17. In conclusion, goats have a substantial number of WC1- and WC1+ γδ T cells in PBMC that do not decrease with animal age after 6 months; both populations respond to bacterial antigens as naïve cells but in these cultures only the WC1- γδ cells produc IL-17 and IFNγ .
Collapse
Affiliation(s)
- Alehegne W Yirsaw
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Alexandria Gillespie
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Emily Britton
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Alyssa Doerle
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Lisa Johnson
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Susan Marston
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA
| | - Janice Telfer
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA; Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, MA, 01003, USA
| | - Cynthia L Baldwin
- Department of Veterinary and Animal Sciences, University of Massachusetts, Amherst, MA, 01003, USA; Program in Molecular and Cellular Biology, University of Massachusetts, Amherst, MA, 01003, USA.
| |
Collapse
|
4
|
Wang Y, Liu J, Huang J, Chang G, Roy AC, Gao Q, Cheng X, Shen X. Sodium butyrate attenuated iE-DAP induced inflammatory response in the mammary glands of dairy goats fed high-concentrate diet. J Sci Food Agric 2021; 101:1218-1227. [PMID: 32789879 DOI: 10.1002/jsfa.10734] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 07/17/2020] [Accepted: 08/13/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Long-term high-concentrate (HC) diet feeding increased bacterial endotoxins, which translocated into the mammary glands of dairy goats and induced inflammatory response. γ-d-Glutamyl-meso-diaminopimelic acid (iE-DAP), bacterial peptidoglycan component, triggered inflammatory response through activating nucleotide oligomerization domain protein 1 (NOD1) signaling pathway. While dietary supplemented with sodium butyrate (SB) relieved inflammatory response and improved animal health and production. To investigate the effects and the mechanisms of action of SB on the inflammatory response in the mammary glands of dairy goats fed HC diet, 12 Saanen dairy goats were randomly assigned into HC group and SB regulated (BHC) group. RESULTS The results showed that SB supplementation attenuated ruminal pH decrease caused by HC diet in dairy goats resulting in a decrease of proinflammatory cytokines and iE-DAP plasma concentration and the mRNA expression of NOD1 and other inflammation-related genes. The protein levels of NOD1, NF-κB p65 and NF-κB pp65 were decreased by the SB supplementation. The expression of histone deacetylase 3 (HDAC3) was also inhibited by the SB supplementation. Meanwhile, the chromatin compaction ratios and DNA methylation levels of NOD1 and receptor-interacting protein 2 (RIP2) of BHC group were upregulated. CONCLUSION Collectively, the SB supplementation mitigated the inflammatory response in the mammary glands of dairy goats during HC-induced subacute ruminal acidosis (SARA) by inhibiting the activation of the NOD1/NF-κB signaling pathway through the decrease of the iE-DAP concentration in the rumen fluid and plasma and HDAC3 expression. DNA methylation and chromatin remodeling also contributed to the anti-inflammatory effect of SB. © 2020 Society of Chemical Industry.
Collapse
Affiliation(s)
- Yan Wang
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| | - Jing Liu
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| | - Jie Huang
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| | - Guangjun Chang
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| | - Animesh Chandra Roy
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| | - Qianyun Gao
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| | - Xiaoye Cheng
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| | - Xiangzhen Shen
- Ministry of Education Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, P. R. China
| |
Collapse
|
5
|
Abstract
Goats are important food animals and are disseminated globally because of their high adaptability to varying environmental conditions and feeding regimes that provide them with a comparative advantage. Productivity is impacted by infectious diseases; this then contributes to societal poverty, food insecurity, and international trade restrictions. Since γδ T cells have been shown to have vital roles in immune responses in other mammals we reviewed the literature regarding what is known about their functions, distribution in tissues and organs and their responses to a variety of infections in goats. It has been shown that caprine γδ T cells produce interferon-γ and IL-17, are found in a variety of lymphoid and nonlymphoid tissues and constitute a significant population of blood mononuclear cells. Their representation in tissues and their functional responses may be altered concomitant with infection. This review summarizes caprine γδ T cell responses to Brucella melitensis, Fasciola hepatica, Mycobacterium avium paratuberculosis, caprine arthritis encephalitis virus (CAEV), and Schistosoma bovis in infected or vaccinated goats. Caprine γδ T cells have also been evaluated in goats infected with M. caprae, Ehrilichia ruminantium, Haemonchus contortus and peste des petits ruminants (PPR) virus but found to have an unknown or limited response or role in either protective immunity or immunopathogenesis in those cases.
Collapse
Affiliation(s)
- Alehegne Yirsaw
- Department of Veterinary and Animal Sciences, Integrated Sciences Building, 661 N. Pleasant St, University of Massachusetts, Amherst, MA, 01003, USA.
| | - Cynthia L Baldwin
- Department of Veterinary and Animal Sciences, Integrated Sciences Building, 661 N. Pleasant St, University of Massachusetts, Amherst, MA, 01003, USA.
| |
Collapse
|
6
|
Abstract
Objective: To understand the origin of extremely high gonadotropin levels in a perimenopausal woman.Methods: A 52-year-old woman with a 2 months of amenorrhea followed spontaneous menstrual cycles recovery was referred to our outpatient clinic with elevated follicle-stimulating hormone (FSH, 483 mUI/ml), luteinizing hormone (LH, 475 mUI/ml) and prolactin (PRL, 173 ng/ml). She was known to take levosulpiride. The gonadotropin levels did not fit with the clinical features.Results: A gonadotroph tumor was ruled out. Further analysis confirmed constantly high FSH, LH and PRL levels. The measurements were repeated using different analytical platforms with different results. After serial dilutions, nonlinearity was present suggesting an immunoassay interference. After post-polyethylene glycol recovery, hormone levels appeared in the normal range. Anti-goat antibodies were recognized in the serum of the patient.Conclusions: This case report shows a case of falsely abnormal high gonadotropin and PRL levels in a woman during menopause transition. In the clinical practice the evaluation of gonadotropin profile is not recommended at this age, but the abnormal levels stimulated further evaluation. An interference in the assay due to anti-goat antibodies resulted in abnormally high level of FSH and LH. A strict collaboration between clinicians and the laboratory is needed, when laboratory findings do not correspond to clinical findings.
Collapse
Affiliation(s)
- F Fruzzetti
- Obstetrics and Gynaecology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - G Palla
- Obstetrics and Gynaecology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - A Sbrana
- Centro Ricerche Cliniche, Pisa, Italy
| | - T Simoncini
- Obstetrics and Gynaecology Unit, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - M R Sessa
- Laboratory of Chemistry and Endocrinology, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
| |
Collapse
|
7
|
Angulo C, Chavez-Infante L, Reyes-Becerril M, Angulo M, Romero-Geraldo R, Llinas-Cervantes X, Cepeda-Palacios R. Immunostimulatory and antioxidant effects of supplemental feeding with macroalga Sargassum spp. on goat kids. Trop Anim Health Prod 2020; 52:2023-2033. [PMID: 32002745 DOI: 10.1007/s11250-020-02218-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 01/14/2020] [Indexed: 01/02/2023]
Abstract
Algae are a rich source of bioactive compounds and health properties that have been narrowly explored in goat production systems. The aim of this study was to determine the effect of feeding diets supplemented with Sargassum spp. on antioxidant status and immune parameters in goat kids. The diets were as follows: control (basal diet without alga), Sargassum spp. 2.5% (Ss2.5), and Sargassum spp. 5% (S5) fed over a 70-day period. A total of 11 body tissues, intestinal mucus, and blood serum were sampled at necropsy. Protein content, superoxide dismutase (SOD), catalase (CAT), myeloperoxidase (MPO), lysozyme, and anti-protease activities were determined, as well as immunoglobulin A (IgA) and immunoglobulin G (IgG). The results indicated that Sargassum spp. supplementation increased protein content in six tissues. Antioxidant activities (SOD and CAT) and immune-related (lysozyme, MPO, and anti-protease) activities were statistically higher (P < 0.05) in Sargassum spp. groups compared with control in several tissues, intestinal mucus, and serum. Imunoglobulin A levels in intestinal mucus were higher (P < 0.05) in Sargassum spp.-supplemented groups than the control group. In conclusion, diet supplementation of Sargassum spp. improves the antioxidant status and enhances the immune parameters in goats. Sargassum spp. dietary supplementation is proposed as strategy to strengthen antioxidant status and stimulate the immune system, which helps in the control of opportunistic pathogens in goats.
Collapse
Affiliation(s)
- Carlos Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional #195, Col. Playa Palo de Santa Rita, 23096, La Paz, BCS, Mexico.
| | - Luis Chavez-Infante
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional #195, Col. Playa Palo de Santa Rita, 23096, La Paz, BCS, Mexico
| | - Martha Reyes-Becerril
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional #195, Col. Playa Palo de Santa Rita, 23096, La Paz, BCS, Mexico
| | - Miriam Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste, Av. Instituto Politécnico Nacional #195, Col. Playa Palo de Santa Rita, 23096, La Paz, BCS, Mexico
| | - Reyna Romero-Geraldo
- Tecnológico Nacional de México/Instituto Tecnológico de La Paz, Boulevard Forjadores 4720, Col. 8 de Octubre Segunda Sección, 23080, La Paz, BCS, Mexico
| | - Ximena Llinas-Cervantes
- Laboratorio de Sanidad Animal, Universidad Autónoma de Baja California Sur, Carretera al Sur Km 5.5, 23080, La Paz, BCS, Mexico
| | - Ramón Cepeda-Palacios
- Laboratorio de Sanidad Animal, Universidad Autónoma de Baja California Sur, Carretera al Sur Km 5.5, 23080, La Paz, BCS, Mexico.
| |
Collapse
|
8
|
Angulo M, Reyes-Becerril M, Cepeda-Palacios R, Angulo C. Oral administration of Debaryomyces hansenii CBS8339-β-glucan induces trained immunity in newborn goats. Dev Comp Immunol 2020; 105:103597. [PMID: 31883447 DOI: 10.1016/j.dci.2019.103597] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 11/26/2019] [Accepted: 12/21/2019] [Indexed: 06/10/2023]
Abstract
Beta-glucans from yeast can induce trained immunity in in vitro and in vivo models. Intraperitoneal doses of β-glucans in mammals have shown to induce trained immunity, but the training effects of orally administering β-glucans are unknown. Newborn goats are susceptible to infections in the neonatal stage, so the induction of trained immunity could improve animal survival. This study aimed to describe the in vitro effects of immunological training by β-glucan from Debaryomyces hansenii (β-Dh) on caprine monocytes, as well as its in vivo effects using oral doses on newborn goats upon challenge with lipopolysaccharide (LPS). Hence in vitro, goat monocytes trained with β-Dh up-regulated the gene expression of macrophage surface markers (CD11b and F4/80) whereas enhanced cell survival and high phagocytic ability was found upon LPS challenge. In the in vivo experiment, newborn goats stimulated with two doses (day -7 and - 4) of β-Dh (50 mg/kg) and challenged (day 0) with LPS showed an increase in respiratory burst activity, IL-1β, IL-6, and TNFα production in plasma, and transcription of the macrophage surface markers. This study has demonstrated for the first time that trained immunity was induced with oral doses of β-glucan upon LPS challenge in mammals using newborn goats.
Collapse
Affiliation(s)
- Miriam Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Martha Reyes-Becerril
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico
| | - Ramón Cepeda-Palacios
- Laboratorio de Sanidad Animal, Universidad Autónoma de Baja California Sur, Carretera al Sur km. 5.5, Col. Mezquitito, La Paz, B.C.S., 23080, Mexico
| | - Carlos Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz, B.C.S., 23096, Mexico.
| |
Collapse
|
9
|
Quéméré E, Rossi S, Petit E, Marchand P, Merlet J, Game Y, Galan M, Gilot-Fromont E. Genetic epidemiology of the Alpine ibex reservoir of persistent and virulent brucellosis outbreak. Sci Rep 2020; 10:4400. [PMID: 32157133 PMCID: PMC7064506 DOI: 10.1038/s41598-020-61299-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 02/25/2020] [Indexed: 01/23/2023] Open
Abstract
While it is now broadly accepted that inter-individual variation in the outcomes of host-pathogen interactions is at least partially genetically controlled, host immunogenetic characteristics are rarely investigated in wildlife epidemiological studies. Furthermore, most immunogenetic studies in the wild focused solely on the major histocompatibility complex (MHC) diversity despite it accounts for only a fraction of the genetic variation in pathogen resistance. Here, we investigated immunogenetic diversity of the Alpine ibex (Capra ibex) population of the Bargy massif, reservoir of a virulent outbreak of brucellosis. We analysed the polymorphism and associations with disease resistance of the MHC Class II Drb gene and several non-MHC genes (Toll-like receptor genes, Slc11A1) involved in the innate immune response to Brucella in domestic ungulates. We found a very low neutral genetic diversity and a unique MHC Drb haplotype in this population founded few decades ago from a small number of individuals. By contrast, other immunity-related genes have maintained polymorphism and some showed significant associations with the brucellosis infection status hence suggesting a predominant role of pathogen-mediated selection in their recent evolutionary trajectory. Our results highlight the need to monitor immunogenetic variation in wildlife epidemiological studies and to look beyond the MHC.
Collapse
Affiliation(s)
- Erwan Quéméré
- CEFS, INRAE, Université de Toulouse, Castanet-Tolosan, France.
- ESE, Ecology and Ecosystems Health, Agrocampus Ouest, INRAE, 35042 Rennes, France.
| | - Sophie Rossi
- Office Français de la Biodiversité, Unité Sanitaire de la Faune, Gap, France
| | - Elodie Petit
- Office Français de la Biodiversité, Unité Ongulés sauvages, Gières, France
| | - Pascal Marchand
- Office Français de la Biodiversité, Unité Ongulés sauvages, Gières, France
| | - Joël Merlet
- CEFS, INRAE, Université de Toulouse, Castanet-Tolosan, France
| | - Yvette Game
- Laboratoire Départemental d'Analyses Vétérinaires de Savoie, Chambéry, France
| | - Maxime Galan
- CBGP, INRAE, CIRAD, IRD, Montpellier SupAgro, Univ Montpellier, Montpellier, France
| | - Emmanuelle Gilot-Fromont
- Université de Lyon, VetAgro Sup - Campus vétérinaire de Lyon, Marcy l'Étoile, France
- Université de Lyon 1, UMR CNRS 5558 Laboratoire de Biométrie et Biologie Evolutive (LBBE), Villeurbanne, France
| |
Collapse
|
10
|
Ain KU, Biswas SK, Inbaraj S, Chand K, Saxena A, Ramakrishnan MA, Sunder J, Kundu A, Pandey AB. Deciphering type-specific neutralizing antibodies to bluetongue virus in goats of Andaman and Nicobar Islands, India. Trop Anim Health Prod 2020; 52:2715-2719. [PMID: 32100170 DOI: 10.1007/s11250-020-02237-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 02/13/2020] [Indexed: 11/25/2022]
Abstract
The presence of antibodies to bluetongue virus (BTV) and the viral antigen is reported recently from the Andaman and Nicobar Islands, a group of islands at the juncture of the Bay of Bengal and the Andaman Sea. A retrospective study was conducted to investigate the presence of neutralizing antibodies to different BTV serotypes in the seroconverted goats of the Islands. Thirty six samples out of 186 serum samples tested were selected on the basis of high antibody titre as predicted in an indirect ELISA. Each of the selected serum samples was used for neutralization of six BTV serotypes (BTV-1, BTV-2, BTV-9, BTV-10, BTV-16 and BTV-23), the most commonly reported serotypes in India. Out of 36 serum samples used in the neutralization study, neutralizing antibodies could be determined in 15 samples. The neutralizing antibodies to BTV-10 were found in more number of the serum samples followed by BTV-1, BTV-2 and BTV-23 and BTV-9 and BTV-16. Many of the serum samples could neutralize more than one BTV serotypes indicating possible widespread superinfections by multiple BTV serotypes in goats in the Islands. Majority of the serum samples used in the neutralization study could not neutralize any of the six BTV serotypes commonly reported from India indicating possible circulation of other BTV serotypes yet to confirm. The present study reveals circulation of multiple BTV serotypes in Andaman and Nicobar Islands where there was no such report available earlier. The findings are laudable as the baseline information for further investigations to identify and characterize the virus and competent vectors and for implementing appropriate suitable control strategies for bluetongue in the Islands and the nearby territories.
Collapse
Affiliation(s)
- Kurat Ul Ain
- ICAR-Indian Veterinary Research Institute, Mukteswar, Kumaon, Nainital, Uttarakhand, India
| | - Sanchay Kumar Biswas
- ICAR-Indian Veterinary Research Institute, Mukteswar, Kumaon, Nainital, Uttarakhand, India.
| | - Sophia Inbaraj
- ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
| | - Karam Chand
- ICAR-Indian Veterinary Research Institute, Mukteswar, Kumaon, Nainital, Uttarakhand, India
| | - Arpit Saxena
- ICAR-Indian Veterinary Research Institute, Mukteswar, Kumaon, Nainital, Uttarakhand, India
| | | | - Jai Sunder
- ICAR-Central Island Agricultural Research Institute, Port Blair, Andaman and Nicobar Islands, India
| | - Anandamoy Kundu
- ICAR-Central Island Agricultural Research Institute, Port Blair, Andaman and Nicobar Islands, India
| | - Awadh Bihari Pandey
- ICAR- Indian Veterinary Research Institute, Izatnagar, Bareilly, Uttar Pradesh, 243122, India
| |
Collapse
|
11
|
Naqvi MAUH, Memon MA, Jamil T, Naqvi SZ, Aimulajiang K, Gadahi JA, Xu L, Song X, Li X, Yan R. Galectin Domain Containing Protein from Haemonchus contortus Modulates the Immune Functions of Goat PBMCs and Regulates CD4+ T-Helper Cells In Vitro. Biomolecules 2020; 10:E116. [PMID: 31936604 PMCID: PMC7022894 DOI: 10.3390/biom10010116] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/05/2020] [Accepted: 01/05/2020] [Indexed: 02/08/2023] Open
Abstract
Galectins are glycan-binding proteins that are widely expressed and distributed in mammalian tissues as well as cells of innate and adaptive immune responses. CD4+ T-helper cells differentiate into effector subsets in response to cytokines. T helper 9 cells are one of the recently described subsets of effector T cells that are relatively new and less studied. In this study, galectin domain containing protein from Haemonchus contortus (Hc-GDC) was cloned, expressed in pET32a, and immunoblotting was performed. Localization of recombinant (r)Hc-GDC on outer and inner surface of H. contortus worm and binding with goat Peripheral Blood Mononuclear cells (PBMCs) were performed using immunofluorescence assay. Moreover, effects of rHc-GDC on proliferation, apoptosis, cell migration, and the nitric oxide production in goat PBMCs were evaluated. Furthermore, modulatory effects of rHc-GDC on production of Th1, Th2, and Th9 cells were evaluated by flowcytometry and on interferon gamma, interleukin (IL)-4 and IL-9 were evaluated by quantitative real-time polymerase chain reaction. The results demonstrated that rHc-GDC was successfully cloned, expressed in expression vector as well as in the gut surface of adult H. contortus worm and successful binding with PBMCs surface were observed. Immunoblotting results revealed that rHc-GDC is an important active protein of H. contortus excretory and secretory products. Moreover, the interaction of rHc-GDC with host cells increased the production of Th2, Th9 cells, IL4, IL-9, PBMC proliferation, nitric oxide, and cell migration. No effects of rHc-GDC were observed on PMBC apoptosis, production of Th1 cells, and secretions of IFN- and IL-10 cytokines. These findings indicate that recombinant GDC protein from H. contortus modulates the immune functions of goat PBMCs and has the potential to enhance protective immunity by inducing T helper-9-derived IL-9 in vitro.
Collapse
Affiliation(s)
- Muhammad Ali-ul-Husnain Naqvi
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Muhammad Ali Memon
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Tahseen Jamil
- Sindh Agriculture University, Tandojam 70050, Sindh, Pakistan; (T.J.); (J.A.G.)
| | - Sana Zahra Naqvi
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Kalibixiati Aimulajiang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Javaid Ali Gadahi
- Sindh Agriculture University, Tandojam 70050, Sindh, Pakistan; (T.J.); (J.A.G.)
| | - Lixin Xu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Xiaokai Song
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Xiangrui Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Ruofeng Yan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| |
Collapse
|
12
|
Yan F, Banadyga L, Zhao Y, Zhao Z, Schiffman Z, Huang P, Li E, Wang C, Gao Y, Feng N, Wang T, Wang H, Xia X, Wang C, Yang S, Qiu X. Peste des Petits Ruminants Virus-Like Particles Induce a Potent Humoral and Cellular Immune Response in Goats. Viruses 2019; 11:v11100918. [PMID: 31590353 PMCID: PMC6833106 DOI: 10.3390/v11100918] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 09/30/2019] [Accepted: 10/01/2019] [Indexed: 12/19/2022] Open
Abstract
Peste des petits ruminants is a highly contagious acute or subacute disease of small ruminants caused by the peste des petits ruminants virus (PPRV), and it is responsible for significant economic losses in animal husbandry. Vaccination represents the most effective means of controlling this disease, with virus-like particle (VLP) vaccines offering promising vaccine candidates. In this study, a PPRV VLP-based vaccine was developed using a baculovirus expression system, allowing for the simultaneous expression of the PPRV matrix (M), hemagglutinin (H), fusion (F) and nucleocapsid (N) proteins in insect cells. Immunization of mice and goats with PPRV VLPs elicited a robust neutralization response and a potent cellular immune response. Mouse studies demonstrated that VLPs induced a more robust IFN-γ response in CD4+ and CD8+ T cells than PPRV Nigeria 75/1 and recruited and/or activated more B cells and dendritic cells in inguinal lymph nodes. In addition, PPRV VLPs induced a strong Th1 class response in mice, as indicated by a high IgG2a to IgG1 ratio. Goat studies demonstrated that PPRV VLPs can induce the production of antibodies specific for F and H proteins and can also stimulate the production of virus neutralizing antibodies to the same magnitude as the PPRV Nigeria 75/1 vaccine. Higher amounts of IFN-γ in VLP-immunized animal serum suggested that VLPs also elicited a cellular immune response in goats. These results demonstrated that VLPs elicit a potent immune response against PPRV infection in small ruminants, making PPRV VLPs a potential candidate for PPRV vaccine development.
Collapse
Affiliation(s)
- Feihu Yan
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg R3E 3R2, Manitoba, Canada.
- Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada.
| | - Logan Banadyga
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg R3E 3R2, Manitoba, Canada.
| | - Yongkun Zhao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
| | - Ziqi Zhao
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130122, Jilin, China.
| | - Zachary Schiffman
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg R3E 3R2, Manitoba, Canada.
- Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada.
| | - Pei Huang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130122, Jilin, China.
| | - Entao Li
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Huanan Agricultural University, Guangzhou 510642, Guangdong, China.
| | - Cuiling Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- Xinxiang medical university, Xinxiang 453003, Henan, China.
| | - Yuwei Gao
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg R3E 3R2, Manitoba, Canada.
- Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada.
| | - Na Feng
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
| | - Tiecheng Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
| | - Hualei Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Jilin University, Changchun 130122, Jilin, China.
| | - Xianzhu Xia
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Huanan Agricultural University, Guangzhou 510642, Guangdong, China.
- College of Veterinary Medicine, Jilin University, Changchun 130122, Jilin, China.
| | - Chengyu Wang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
| | - Songtao Yang
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Jilin Agricultural University, Changchun 130122, Jilin, China.
- College of Veterinary Medicine, Jilin University, Changchun 130122, Jilin, China.
| | - Xiangguo Qiu
- Special Pathogens Program, National Microbiology Laboratory, Public Health Agency of Canada, Winnipeg R3E 3R2, Manitoba, Canada.
- Department of Medical Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada.
| |
Collapse
|
13
|
Dąbrowska A, Bajzert J, Babij K, Szołtysik M, Stefaniak T, Willak-Janc E, Chrzanowska J. Reduced IgE and IgG antigenic response to milk proteins hydrolysates obtained with the use of non-commercial serine protease from Yarrowia lipolytica. Food Chem 2019; 302:125350. [PMID: 31415999 DOI: 10.1016/j.foodchem.2019.125350] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Revised: 08/07/2019] [Accepted: 08/09/2019] [Indexed: 12/23/2022]
Abstract
The aim of the study was to investigate the use of serine protease from Yarrowia lipolytica yeast for reduction of milk proteins allergenicity. Whey protein concentrate (WPC-80), αs-casein and their hydrolysates were analyzed for the capacity to bind IgE and IgG antibodies present in sera from patients with cow milk protein allergy using a competitive ELISA. The hydrolysis of αs-casein and whey protein concentrate contributed to a significant reduction of their immunoreactive epitopes. In case of IgE antibodies, the lowest binding capacity was detected in the 24 h hydrolysates of both proteins in which the inhibition of the reaction was ≤20 and ≤68% for αs-casein and whey protein concentrate respectively. One hour hydrolysis of WPC-80 reduced the protein antigenicity, while the longer time (5 h) might lead to the exposure of new IgE - reactive epitopes.
Collapse
Affiliation(s)
- Anna Dąbrowska
- Dept. of Animal Product Technology and Quality Management, Wrocław Uniwersity of Environmental and Life Sciences, Chełmońskiego Str. 37, 51-640 Wrocław, Poland.
| | - Joanna Bajzert
- Dept. of Immunology, Pathophysiology and Veterinary Preventive Medicine, Wrocław Uniwersity of Environmental and Life Sciences, Norwida Str. 25, 50-375 Wrocław, Poland.
| | - Konrad Babij
- Dept. of Animal Product Technology and Quality Management, Wrocław Uniwersity of Environmental and Life Sciences, Chełmońskiego Str. 37, 51-640 Wrocław, Poland
| | - Marek Szołtysik
- Dept. of Animal Product Technology and Quality Management, Wrocław Uniwersity of Environmental and Life Sciences, Chełmońskiego Str. 37, 51-640 Wrocław, Poland.
| | - Tadeusz Stefaniak
- Dept. of Immunology, Pathophysiology and Veterinary Preventive Medicine, Wrocław Uniwersity of Environmental and Life Sciences, Norwida Str. 25, 50-375 Wrocław, Poland.
| | - Ewa Willak-Janc
- 1st Institute and Clinic of Pediatric Allergology and Cardiology, Wrocław Medical University, Hoene-Wrońskiego Str. 13c, 50-376 Wrocław, Poland.
| | - Józefa Chrzanowska
- Dept. of Animal Product Technology and Quality Management, Wrocław Uniwersity of Environmental and Life Sciences, Chełmońskiego Str. 37, 51-640 Wrocław, Poland.
| |
Collapse
|
14
|
Baliu-Piqué M, Kurniawan H, Ravesloot L, Verheij MW, Drylewicz J, Lievaart-Peterson K, Borghans JAM, Koets A, Tesselaar K. Age-related distribution and dynamics of T-cells in blood and lymphoid tissues of goats. Dev Comp Immunol 2019; 93:1-10. [PMID: 30550777 DOI: 10.1016/j.dci.2018.12.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 12/10/2018] [Accepted: 12/10/2018] [Indexed: 06/09/2023]
Abstract
Neonatal mammals have increased disease susceptibility and sub-optimal vaccine responses. This raises problems in both humans and farm animals. The high prevalence of paratuberculosis in goats and the lack of an effective vaccine against it have a strong impact on the dairy sector, and calls for vaccines optimized for the neonatal immune system. We characterized the composition of the T-cell pool in neonatal kids and adult goats and quantified their turnover rates using in vivo deuterium labelling. From birth to adulthood, CD4+ T-cells were the predominant subset in the thymus and lymph nodes, while spleen and bone marrow contained mainly CD8+ lymphocytes. In blood, CD4+ T-cells were the predominant subset during the neonatal period, while CD8+ T-cells predominated in adults. We observed that thymic mass and cellularity increased during the first 5 months after birth, but decreased later in life. Deuterium labelling revealed that T-cell turnover rates in neonatal kids are considerably higher than in adult animals.
Collapse
Affiliation(s)
- Mariona Baliu-Piqué
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Henry Kurniawan
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Lars Ravesloot
- Department of Bacteriology and Epidemiology, Wageningen Bioveterinary Research, Lelystad, the Netherlands; Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Myrddin W Verheij
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Julia Drylewicz
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | | | - José A M Borghans
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Ad Koets
- Department of Bacteriology and Epidemiology, Wageningen Bioveterinary Research, Lelystad, the Netherlands; Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, the Netherlands
| | - Kiki Tesselaar
- Laboratory of Translational Immunology, University Medical Center Utrecht, Utrecht, the Netherlands.
| |
Collapse
|
15
|
Cériac S, Archimède H, Feuillet D, Félicité Y, Giorgi M, Bambou JC. Supplementation with rumen-protected proteins induces resistance to Haemonchus contortus in goats. Sci Rep 2019; 9:1237. [PMID: 30718601 PMCID: PMC6362046 DOI: 10.1038/s41598-018-37800-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 12/11/2018] [Indexed: 11/09/2022] Open
Abstract
Resistance to gastro-intestinal nematode (GIN) in small ruminant is expected to arise from protein-rich rather than from energy-rich feeds. The objective of this study was to investigate the effect of the quality of the dietary proteins on the response of Creole goats to Haemonchus contortus. Three diets were compared: no supplementation (Hay: hay ad libitum), Control supplement (CS: hay ad libitum +2% BW of CS at 70 g of by-pass proteins/kg) and supplement enriched in rumen-protected proteins (RPP: hay ad libitum +2% BW of RPP at 139 g of by-pass proteins/kg). The FEC (faecal eggs counts) and the TFEC (total faecal eggs excreted/day) were significantly lower in the RPP. No difference was found between the supplemented diets for the total number of nematodes, but the RPP reduced the parasite prolificacy. The highest IgA responses were observed in animals with the highest nematode burden (Hay compared with CS diets). However, while the FEC and the TFEC were lower in animals feed with the RPP the IgA response were similar to those of the Hay. The IgA response that control GIN egg production in sheep could be one mediator of the resistance to H. contortus induced with by-pass proteins in goats.
Collapse
Affiliation(s)
- S Cériac
- URZ, Unité de Recherches Zootechniques INRA, 97170, Petit-Bourg, Guadeloupe, France
| | - H Archimède
- URZ, Unité de Recherches Zootechniques INRA, 97170, Petit-Bourg, Guadeloupe, France
| | - D Feuillet
- URZ, Unité de Recherches Zootechniques INRA, 97170, Petit-Bourg, Guadeloupe, France
| | - Y Félicité
- URZ, Unité de Recherches Zootechniques INRA, 97170, Petit-Bourg, Guadeloupe, France
| | - M Giorgi
- PTEA, Plateforme d'Expérimentation sur l'Animal INRA, 97170, Petit-Bourg, Guadeloupe, France
| | - J-C Bambou
- URZ, Unité de Recherches Zootechniques INRA, 97170, Petit-Bourg, Guadeloupe, France.
| |
Collapse
|
16
|
Yi J, Simpanya MF, Settles EW, Shannon AB, Hernandez K, Pristo L, Keener ME, Hornstra H, Busch JD, Soffler C, Brett PJ, Currie BJ, Bowen RA, Tuanyok A, Keim P. Caprine humoral response to Burkholderia pseudomallei antigens during acute melioidosis from aerosol exposure. PLoS Negl Trop Dis 2019; 13:e0006851. [PMID: 30811382 PMCID: PMC6411198 DOI: 10.1371/journal.pntd.0006851] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 03/11/2019] [Accepted: 01/09/2019] [Indexed: 11/29/2022] Open
Abstract
Burkholderia pseudomallei causes melioidosis, a common source of pneumonia and sepsis in Southeast Asia and Northern Australia that results in high mortality rates. A caprine melioidosis model of aerosol infection that leads to a systemic infection has the potential to characterize the humoral immune response. This could help identify immunogenic proteins for new diagnostics and vaccine candidates. Outbred goats may more accurately mimic human infection, in contrast to the inbred mouse models used to date. B. pseudomallei infection was delivered as an intratracheal aerosol. Antigenic protein profiling was generated from the infecting strain MSHR511. Humoral immune responses were analyzed by ELISA and western blot, and the antigenic proteins were identified by mass spectrometry. Throughout the course of the infection the assay results demonstrated a much greater humoral response with IgG antibodies, in both breadth and quantity, compared to IgM antibodies. Pre-infection sera showed multiple immunogenic proteins already reactive for IgG (7-20) and IgM (0-12) in most of the goats despite no previous exposure to B. pseudomallei. After infection, the number of IgG reactive proteins showed a marked increase as the disease progressed. Early stage infection (day 7) showed immune reaction to chaperone proteins (GroEL, EF-Tu, and DnaK). These three proteins were detected in all serum samples after infection, with GroEL immunogenically dominant. Seven common reactive antigens were selected for further analysis using ELISA. The heat shock protein GroEL1 elicited the strongest goat antibody immune response compared to the other six antigens. Most of the six antigens showed the peak IgM reactivity at day 14, whereas the IgG reactivity increased further as the disease progressed. An overall MSHR511 proteomic comparison between the goat model and human sera showed that many immune reactive proteins are common between humans and goats with melioidosis.
Collapse
Affiliation(s)
- Jinhee Yi
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Mukoma F. Simpanya
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Erik W. Settles
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Austin B. Shannon
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Karen Hernandez
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Lauren Pristo
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Mitchell E. Keener
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Heidie Hornstra
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Joseph D. Busch
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| | - Carl Soffler
- Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Paul J. Brett
- Department of Microbiology and Immunology, University of Nevada, Reno School of Medicine, Reno, Nevada, United States of America
| | - Bart J. Currie
- Menzies School of Health Research and Infectious Diseases Department, Royal Darwin Hospital, Darwin, Northern Territory, Australia
| | - Richard A. Bowen
- Department of Biomedical Sciences, College of Veterinary Medicine and Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Apichai Tuanyok
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine and Emerging Pathogens Institute, University of Florida, Gainesville, Florida, United States of America
| | - Paul Keim
- The Pathogen and Microbiome Institute, Northern Arizona University, Flagstaff, Arizona, United States of America
| |
Collapse
|
17
|
Angulo M, Reyes-Becerril M, Tovar-Ramírez D, Ascencio F, Angulo C. Debaryomyces hansenii CBS 8339 β-glucan enhances immune responses and down-stream gene signaling pathways in goat peripheral blood leukocytes. Dev Comp Immunol 2018; 88:173-182. [PMID: 30031015 DOI: 10.1016/j.dci.2018.07.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 07/18/2018] [Accepted: 07/18/2018] [Indexed: 06/08/2023]
Abstract
Debaryomyces hansenii-derived β-glucan has shown immunostimulant effect on aquaculture species and recently on goat peripheral blood leukocytes. Moreover, the marine yeast D. hansenii CBS 8339 has demonstrated to enhance fish immune response. Nonetheless, the associated immune signaling pathways induced by β-glucan from this marine yeast have not been characterized yet. This study described the effects of β-glucan from D. hansenii CBS 8339 against challenge with Escherichia coli and activation of possible mechanisms on goat peripheral blood leukocytes. The proton nuclear magnetic resonance spectra showed that D. hansenii had β-(1,3)(1,6)-glucan. The phagocytic ability enhanced after E. coli challenge, and nitric oxide production increased before and after challenge in leukocytes stimulated with D. hansenii β-glucan. In addition, an early gene expression stimulation was found related to β-glucan recognition by TLR2 and Dectin-1 receptors, intracellular regulation by Syk, TRAF6, MyD88 and transcription factor NFκB, and effector functions of pro-inflammatory cytokine, such as IL-1β and TNF-α. Interestingly, simulation with D. hansenii-derived β-glucan increased leukocyte viability after E. coli challenge. In conclusion, β-glucan from D. hansenii CBS 8339 reduced cytotoxic effects of E. coli and modulated signaling pathways and innate immune response in goat peripheral blood leukocytes.
Collapse
Affiliation(s)
- Miriam Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz B.C.S. 23096, Mexico
| | - Martha Reyes-Becerril
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz B.C.S. 23096, Mexico
| | - Dariel Tovar-Ramírez
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz B.C.S. 23096, Mexico
| | - Felipe Ascencio
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz B.C.S. 23096, Mexico
| | - Carlos Angulo
- Immunology & Vaccinology Group, Centro de Investigaciones Biológicas del Noroeste (CIBNOR), Av. Instituto Politécnico Nacional 195, Playa Palo de Santa Rita Sur, La Paz B.C.S. 23096, Mexico.
| |
Collapse
|
18
|
Yang M, Tao J, Wu H, Zhang L, Yao Y, Liu L, Zhu T, Fan H, Cui X, Dou H, Liu G. Responses of Transgenic Melatonin-Enriched Goats on LPS Stimulation and the Proteogenomic Profiles of Their PBMCs. Int J Mol Sci 2018; 19:ijms19082406. [PMID: 30111707 PMCID: PMC6121286 DOI: 10.3390/ijms19082406] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 08/04/2018] [Accepted: 08/10/2018] [Indexed: 01/13/2023] Open
Abstract
The anti-inflammatory activity of melatonin (MT) has been well documented; however, little is known regarding endogenously occurring MT in this respect, especially for large animals. In the current study, we created a MT-enriched animal model (goats) overexpressing the MT synthetase gene Aanat. The responses of these animals to lipopolysaccharide (LPS) stimulation were systematically studied. It was found that LPS treatment exacerbated the inflammatory response in wild-type (WT) goats and increased their temperature to 40 °C. In addition, their granulocyte counts were also significantly elevated. In contrast, these symptoms were not observed in transgenic goats with LPS treatment. The rescue study with MT injection into WT goats who were treated with LPS confirmed that the protective effects in transgenic goats against LPS were attributed to a high level of endogenously produced MT. The proteomic analysis in the peripheral blood mononuclear cells (PBMCs) isolated from the transgenic animals uncovered several potential mechanisms. MT suppressed the lysosome formation as well as its function by downregulation of the lysosome-associated genes Lysosome-associated membrane protein 2 (LAMP2), Insulin-like growth factor 2 receptor (IGF2R), and Arylsulfatase B (ARSB). A high level of MT enhanced the antioxidant capacity of these cells to reduce the cell apoptosis induced by the LPS. In addition, the results also uncovered previously unknown information that showed that MT may have protective effects on some human diseases, including tuberculosis, bladder cancer, and rheumatoid arthritis, by downregulation of these disease-associated genes. All these observations warranted further investigations.
Collapse
Affiliation(s)
- Minghui Yang
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Jingli Tao
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Hao Wu
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Lu Zhang
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Yujun Yao
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Lixi Liu
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Tianqi Zhu
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Hao Fan
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| | - Xudai Cui
- Qingdao Sanuels Industrial & Commercial Co., Ltd., Qingdao 266000, China.
| | - Haoran Dou
- Qingdao Sanuels Industrial & Commercial Co., Ltd., Qingdao 266000, China.
| | - Guoshi Liu
- National Engineering Laboratory for Animal Breeding, Key Laboratory of Animal Genetics and Breeding of the Ministry of Agriculture, Beijing Key Laboratory for Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing 100000, China.
| |
Collapse
|
19
|
Taylor WD, Langham GL, Weed JL, Rowe T, Song W, Isenberg KA, Xu X, Wentworth DE, Lathrop G, Powell N. The effects of repeated automated plasmapheresis in goats (Capra hircus) in response to vaccination with purified influenza hemagglutinin proteins. PLoS One 2018; 13:e0195903. [PMID: 29897914 PMCID: PMC5999268 DOI: 10.1371/journal.pone.0195903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Accepted: 04/02/2018] [Indexed: 11/24/2022] Open
Abstract
Seasonal influenza is a contagious respiratory illness that annually affects millions of people worldwide. To identify currently circulating influenza virus subtypes, the Centers for Disease Control and Prevention's International Reagent Resource distributes the World Health Organization (WHO) influenza reagent kits, which are used globally by testing laboratories for influenza surveillance. The data generated by the kits aid in strain selection for the influenza vaccine each season. The use of animals to produce high quality and quantities of antibodies is critical to the production of these kits. In this study, we assessed the effects and efficacy of repeated sampling from automated plasmapheresis in goats. Analysis of blood samples demonstrated that repeated automated plasmapheresis procedures did not adversely affect the immediate or long-term health of goats. Further, our results indicate that repeated plasmapheresis in goats was capable of generating 2 liters of antibody-rich plasma per goat per week. This volume is sufficient to produce enough WHO influenza kits to conduct over 1 million tests. Thus, we have shown that the rapid production of plasma in goats can positively impact the public health preparedness and response to influenza.
Collapse
Affiliation(s)
- Willie D. Taylor
- Comparative Medicine Branch, Division of Scientific Resources, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Gregory L. Langham
- Comparative Medicine Branch, Division of Scientific Resources, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - James L. Weed
- Comparative Medicine Branch, Division of Scientific Resources, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Thomas Rowe
- Virology Surveillance and Diagnosis Branch, Influenza Division, National Center For Immunization And Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Wei Song
- Program Evaluation Branch, Division Of HIV/AIDS Prevention-Intervention, National Center for HIV/AIDS, Viral Hepatitis, STD, & TB Prevention, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | | | - Xiyan Xu
- Virology Surveillance and Diagnosis Branch, Influenza Division, National Center For Immunization And Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - David E. Wentworth
- Virology Surveillance and Diagnosis Branch, Influenza Division, National Center For Immunization And Respiratory Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - George Lathrop
- Comparative Medicine Branch, Division of Scientific Resources, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| | - Nathaniel Powell
- Comparative Medicine Branch, Division of Scientific Resources, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia, United States of America
| |
Collapse
|
20
|
Gowane GR, Akram N, Misra SS, Prakash V, Kumar A. Genetic diversity of Cahi DRB and DQB genes of caprine MHC class II in Sirohi goat. J Genet 2018; 97:483-492. [PMID: 29932069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The objective of this study was to assess the genetic diversity of the Sirohi goat for DQB and DQB1 loci, and to study their association with antibody response induced by the Peste des petits ruminants (PPR) vaccine. A total of 360 Sirohi kids were studied using single stranded confirmation polymorphism (SSCP) followed by polymerase chain reaction sequence-based typing (PCR-SBT) for DQB and DQB1 diversities. The competitive enzyme-linked immuno-sorbent assay (C-ELISA) was used to evaluate immune response post-PPR vaccination. Study revealed rich diversity of major histocompatibility complex (MHC) region in goat. A total of 18 DQB and 15 DQB1 alleles were obtained which were new. Alleles DRB*0104 and DQB1*0101 were the most common. The approach of SSCP combined with PCR-SBT reflects cost-effective and most powerful approach to decipher the genetic diversity in complex MHC region. Study revealed variation in DQB and DQB1 genes in Sirohi flock along with high Wu-Kabat index. A total of 16 of the 89 amino acid residue sites in DQB and 19 of 86 residue sites in DQB1 had more than three amino acid substitutions. Positive evolutionary selection was evident in Sirohi for MHC region. Nonsignificant association of DQB and DQB1 genotypes with PPR virus (PPRV) vaccine response revealed complexity of the phenotype and importance of other factors for vaccine response. Rich diversity of DQB and DQB1 genes reflects the fitness of the population and importance of this locus for future selection programmes.
Collapse
Affiliation(s)
- G R Gowane
- Central Sheep and Wool Research Institute (ICAR), Avikanagar, Malpura 304 501, India.
| | | | | | | | | |
Collapse
|
21
|
Span PN, Grebenchtchikov N, Geurts-Moespot J, Westphal JR, Lucassen AM, Sweep CG. EORTC Receptor and Biomarker Study Group Report: A Sandwich Enzyme-Linked Immunosorbent Assay for Vascular Endothelial Growth Factor in Blood and Tumor Tissue Extracts. Int J Biol Markers 2018; 15:184-91. [PMID: 10883894 DOI: 10.1177/172460080001500210] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
A four-antibody sandwich enzyme-linked immunosorbent assay (ELISA) for vascular endothelial growth factor (VEGF) for application in blood (serum and plasma) and tumor tissue extracts was set up within the framework of the EORTC Receptor and Biomarker Study Group (RBSG). Polyclonal antibodies against VEGF165 were raised in chickens and rabbits, and used in a previously described assay format. The assay was validated and characterized for use in serum, plasma and tumor tissue extracts. The resulting VEGF ELISA was found to be specific for VEGF165 and VEGF121, the main isoforms of VEGF. The assay showed good precision and parallelism in serial dilutions of samples. The assay was not susceptible to interference by heterophilic antibodies because avian antibodies (duck anti-chicken and chicken anti-VEGF) were used in the pre-analyte stage and mammalian antibodies (rabbit anti-VEGF and goat anti-rabbit) in the post-analyte stage. In conclusion, a sensitive, robust and specific VEGF ELISA has been developed. Research into the prognostic value of VEGF employing this assay is currently underway.
Collapse
Affiliation(s)
- P N Span
- Department of Chemical Endocrinology, University Medical Centre, Nijmegen, The Netherlands.
| | | | | | | | | | | |
Collapse
|
22
|
Muleme M, Campbell A, Stenos J, Devlin JM, Vincent G, Cameron A, Graves S, Wilks CR, Firestone S. A longitudinal study of serological responses to Coxiella burnetii and shedding at kidding among intensively-managed goats supports early use of vaccines. Vet Res 2017; 48:50. [PMID: 28915918 PMCID: PMC5603018 DOI: 10.1186/s13567-017-0452-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 08/24/2017] [Indexed: 11/18/2022] Open
Abstract
Vaccination against Coxiella burnetii, the cause of Q fever, is reportedly the only feasible strategy of eradicating infection in ruminant herds. Preventive vaccination of seronegative goats is more effective in reducing shedding of C. burnetii than vaccinating seropositive goats. The age at which goats born on heavily-contaminated farms first seroconvert to C. burnetii has not yet been documented. In a 16-month birth cohort study, the age at which goats seroconverted against C. burnetii was investigated; 95 goats were bled every 2 weeks and tested for antibodies against C. burnetii. Risk factors for seroconversion were explored and goats shedding C. burnetii were identified by testing vaginal swabs taken at the goats' first kidding using a com1 polymerase chain reaction assay. The first surge in the number of goats with IgM to C. burnetii was observed at week 9. Thus, a first vaccination not later than 8 weeks of age to control C. burnetii in highly contaminated environments is indicated. The odds of seroconversion were 2.0 times higher [95% confidence interval (CI) 1.2, 3.5] in kids born by does with serological evidence of recent infection (IgM seropositive) compared to kids born by IgM seronegative does, suggesting either in utero transmission or peri-parturient infection. The rate of seroconversion was 4.5 times higher (95% CI 2.1, 9.8) during than outside the kidding season, highlighting the risk posed by C. burnetii shed during kidding, even to goats outside the kidding herd. Shedding of C. burnetii at kidding was detected in 15 out of 41 goats infected before breeding.
Collapse
Affiliation(s)
- Michael Muleme
- Asia–Pacific Centre for Animal Health, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010 Australia
| | - Angus Campbell
- The Mackinnon Project, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Werribee, VIC 3010 Australia
| | - John Stenos
- Australian Rickettsial Reference Laboratory, Barwon Health, Geelong, VIC Australia
| | - Joanne M. Devlin
- Asia–Pacific Centre for Animal Health, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010 Australia
| | - Gemma Vincent
- Australian Rickettsial Reference Laboratory, Barwon Health, Geelong, VIC Australia
| | - Alexander Cameron
- Asia–Pacific Centre for Animal Health, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010 Australia
| | - Stephen Graves
- Australian Rickettsial Reference Laboratory, Barwon Health, Geelong, VIC Australia
| | - Colin R. Wilks
- Asia–Pacific Centre for Animal Health, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010 Australia
| | - Simon Firestone
- Asia–Pacific Centre for Animal Health, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010 Australia
| |
Collapse
|
23
|
Villagra-Blanco R, Silva LMR, Gärtner U, Wagner H, Failing K, Wehrend A, Taubert A, Hermosilla C. Molecular analyses on Neospora caninum-triggered NETosis in the caprine system. Dev Comp Immunol 2017; 72:119-127. [PMID: 28254622 DOI: 10.1016/j.dci.2017.02.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 02/22/2017] [Accepted: 02/22/2017] [Indexed: 06/06/2023]
Abstract
Neospora caninum is an obligate intracellular protozoan parasite causing serious reproductive disorders in large and small ruminants worldwide. Polymorphonuclear neutrophils (PMN) react against multiple invading pathogens through different mechanisms including the release of neutrophil extracellular traps (NETs). Here, in vitro interactions of caprine PMN and N. caninum tachyzoites were studied. Scanning electron microscopic- and immunofluorescence-analyses demonstrated that caprine PMN undergo NETosis upon contact with tachyzoites of N. caninum, extruding filaments that entrap parasites. Detailed co-localization studies of N. caninum tachyzoite-induced NETs revealed the presence of PMN-derived DNA being decorated with histones (H1, H2A/H2B, H3,H4) and neutrophil elastase (NE) corroborating the molecular characteristics of classical mammalian NETs. As a new result for parasite-induced NETosis, we identified pentraxin and cathepsin B in N. caninum-triggered NETs. Nonetheless, functional inhibition assays revealed that during caprine NET formation triggered by N. caninum different molecular signaling pathways are induced, when compared to other apicomplexan parasites or host species. As such, N. caninum-induced NETosis appears to be influenced by MPO but independent of NADPH oxidase, SOCE, ERK1/2 and p38 MAPK activities. Furthermore, the inhibition of PMN autophagy via blockage of the PI3K-mediated signaling pathway failed to influence tachyzoite-induced NETosis. Since N. caninum-tachyzoites induced caprine NETosis, this effector mechanism should be considered as an early host immune response during acute caprine neosporosis.
Collapse
Affiliation(s)
- R Villagra-Blanco
- Institute of Parasitology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany; Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany.
| | - L M R Silva
- Institute of Parasitology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany
| | - U Gärtner
- Institute of Anatomy and Cell Biology, Justus Liebig University Giessen, Giessen 35392, Germany
| | - H Wagner
- Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany
| | - K Failing
- Unit for Biomathematics and Data Processing, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany
| | - A Wehrend
- Clinic for Obstetrics, Gynecology and Andrology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany
| | - A Taubert
- Institute of Parasitology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany
| | - C Hermosilla
- Institute of Parasitology, Faculty of Veterinary Medicine, Justus Liebig University Giessen, Giessen 35392, Germany
| |
Collapse
|
24
|
Malachin G, Reiten MR, Salvesen Ø, Aanes H, Kamstra JH, Skovgaard K, Heegaard PMH, Ersdal C, Espenes A, Tranulis MA, Bakkebø MK. Loss of prion protein induces a primed state of type I interferon-responsive genes. PLoS One 2017. [PMID: 28651013 PMCID: PMC5484497 DOI: 10.1371/journal.pone.0179881] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The cellular prion protein (PrPC) has been extensively studied because of its pivotal role in prion diseases; however, its functions remain incompletely understood. A unique line of goats has been identified that carries a nonsense mutation that abolishes synthesis of PrPC. In these animals, the PrP-encoding mRNA is rapidly degraded. Goats without PrPC are valuable in re-addressing loss-of-function phenotypes observed in Prnp knockout mice. As PrPC has been ascribed various roles in immune cells, we analyzed transcriptomic responses to loss of PrPC in peripheral blood mononuclear cells (PBMCs) from normal goat kids (n = 8, PRNP+/+) and goat kids without PrPC (n = 8, PRNPTer/Ter) by mRNA sequencing. PBMCs normally express moderate levels of PrPC. The vast majority of genes were similarly expressed in the two groups. However, a curated list of 86 differentially expressed genes delineated the two genotypes. About 70% of these were classified as interferon-responsive genes. In goats without PrPC, the majority of type I interferon-responsive genes were in a primed, modestly upregulated state, with fold changes ranging from 1.4 to 3.7. Among these were ISG15, DDX58 (RIG-1), MX1, MX2, OAS1, OAS2 and DRAM1, all of which have important roles in pathogen defense, cell proliferation, apoptosis, immunomodulation and DNA damage response. Our data suggest that PrPC contributes to the fine-tuning of resting state PBMCs expression level of type I interferon-responsive genes. The molecular mechanism by which this is achieved will be an important topic for further research into PrPC physiology.
Collapse
Affiliation(s)
- Giulia Malachin
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Malin R. Reiten
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Øyvind Salvesen
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Håvard Aanes
- Department of Microbiology, Division of diagnostics and intervention, Institute of Clinical Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Jorke H. Kamstra
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Kerstin Skovgaard
- Innate Immunology Group, Section for Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Peter M. H. Heegaard
- Innate Immunology Group, Section for Immunology and Vaccinology, National Veterinary Institute, Technical University of Denmark, Kgs. Lyngby, Denmark
| | - Cecilie Ersdal
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Arild Espenes
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| | - Michael A. Tranulis
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
- * E-mail:
| | - Maren K. Bakkebø
- Faculty of Veterinary Medicine, Norwegian University of Life Sciences, Oslo, Norway
| |
Collapse
|
25
|
Intisar KS, Ali YH, Haj MA, Sahar MAT, Shaza MM, Baraa AM, Ishag OM, Nouri YM, Taha KM, Nada EM, Ahmed AM, Khalafalla AI, Libeau G, Diallo A. Peste des petits ruminants infection in domestic ruminants in Sudan. Trop Anim Health Prod 2017; 49:747-754. [PMID: 28321790 DOI: 10.1007/s11250-017-1254-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Accepted: 02/22/2017] [Indexed: 02/08/2023]
Abstract
The existence of peste des petits ruminants (PPR) in domestic ruminants and camels in Sudan during 2008-2012 was investigated. Lung tissues and serum samples were randomly collected from sheep, goats, cattle, and camels at different areas of Sudan. A total of 12,384 serum samples were collected from clinically healthy 7413 sheep, 1988 camels, 1501 cattle, 1459 goats, and 23 gazelles at different areas in the Sudan. They were examined for PPR antibodies using competitive ELISA (cELISA). The overall detected seroprevalence of PPR in tested sera was 49.4%; seroprevalence values within species were 67.1, 48.2, 25.8, 2.1, and 21.7% in sheep, goat, cattle, camels, and gazelles, respectively. The highest seroprevalence (68.1%) was observed in sera collected from Darfur states, then the central states (54.3%). A total of 1276 lung tissue samples (623 sheep, 324 cattle, 220 camels, and 109 goats) were collected. The majority of lung samples were collected from clinically healthy animals that showed lesions on PM in slaughterhouses (95%) and during PPR outbreaks; samples were tested for PPR antigen using immunocapture ELISA (IcELISA). PPR antigen was detected in 233 out of the 1276 tested samples (18.3%). Positive results were observed in samples collected from clinically healthy and diseased animals. The observed prevalence values in each species were 33.6, 21.1, 15.4, and 12.3% in camel, goat, sheep, and cattle, respectively. PPR antigen was detected in samples from different areas; however, the highest prevalence (63.9%) was found in samples collected from the eastern states, then Khartoum state (28%). Trials for virus isolation were done in different cell cultures. Out of 30 IcELISA-positive samples inoculated in primary bovine and ovine kidney cells, Vero cells, the PPR virus was successfully isolated from 15 (eight sheep, five camels, and two goats) samples in the three cell culture types. Using RT-PCR, PPRV nucleic acid was detected in all 25 IcELISA-positive tested samples.
Collapse
Affiliation(s)
- K S Intisar
- Virology Department, Central Veterinary Research Laboratory, P.O. Box 8067, Al Amarat, Khartoum, Sudan.
- Faculty of Science and Arts, Northern Border University, Rafha, Kingdom of Saudi Arabia.
| | - Y H Ali
- Virology Department, Central Veterinary Research Laboratory, P.O. Box 8067, Al Amarat, Khartoum, Sudan
- Faculty of Science and Arts, Northern Border University, Rafha, Kingdom of Saudi Arabia
| | - M A Haj
- Virology Department, Central Veterinary Research Laboratory, P.O. Box 8067, Al Amarat, Khartoum, Sudan
| | - M A T Sahar
- Virology Department, Central Veterinary Research Laboratory, P.O. Box 8067, Al Amarat, Khartoum, Sudan
| | - M M Shaza
- Virology Department, Central Veterinary Research Laboratory, P.O. Box 8067, Al Amarat, Khartoum, Sudan
| | - A M Baraa
- Virology Department, Central Veterinary Research Laboratory, P.O. Box 8067, Al Amarat, Khartoum, Sudan
| | - O M Ishag
- Rabak Veterinary Research Laboratory, White Nile State, Sudan
| | - Y M Nouri
- El Obeid Veterinary Research Laboratory, North Kordofan State, Sudan
| | - K M Taha
- Atbara Veterinary Research Laboratory, River Nile State, Sudan
| | - E M Nada
- Wad Medani Veterinary Research Laboratory, Gezira State, Sudan
| | - A M Ahmed
- Central Veterinary Research Laboratory, P.O. Box 8067, Al Amarat, Khartoum, Sudan
| | - A I Khalafalla
- Department of Microbiology, Faculty of Veterinary Medicine, University of Khartoum, Shambat, 13314, Khartoum North, Sudan
| | - G Libeau
- Control of Exotic and Emerging Animal Diseases, Montpellier, France
| | - A Diallo
- FAO/IAEA Agriculture and Biotechnology Laboratory, IAEA Laboratories, Seibersdorf, 2444, Austria
| |
Collapse
|
26
|
Dai H, Liu X, Yan J, Aabdin ZU, Bilal MS, Shen X. Sodium Butyrate Ameliorates High-Concentrate Diet-Induced Inflammation in the Rumen Epithelium of Dairy Goats. J Agric Food Chem 2017; 65:596-604. [PMID: 28032994 DOI: 10.1021/acs.jafc.6b04447] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
To investigate the effect of sodium butyrate on high-concentrate diet-induced local inflammation of the rumen epithelium, 18 midlactating dairy goats were randomly assigned to 3 groups: a low-concentrate diet group as the control (concentrate:forage = 4:6), a high-concentrate (HC) diet group (concentrate:forage = 6:4), and a sodium butyrate (SB) group (concentrate:forage = 6:4, with 1% SB by weight). The results showed that, with the addition of sodium butyrate, the concentration of lipopolysaccharide (LPS) in rumen fluid (2.62 × 104 ± 2.90 × 103 EU/mL) was significantly lower than that in the HC group (4.03 × 104 ± 2.77 × 103 EU/mL). The protein abundance of pp65, gene expression of proinflammatory cytokines, and activity of myeloperoxidase (MPO) and matrix metalloproteinase (MMP)-2,9 in the rumen epithelium were significantly down-regulated by SB compared with those in the HC group. With sodium butyrate administration, the concentration of NH3-N (19.2 ± 0.890 mM) in the rumen fluid was significantly higher than that for the HC group (12.7 ± 1.38 mM). Severe disruption of the rumen epithelium induced by HC was also ameliorated by dietary SB. Therefore, local inflammation and disruption of the rumen epithelium induced by HC were alleviated with SB administration.
Collapse
Affiliation(s)
- Hongyu Dai
- College of Veterinary Medicine, Nanjing Agricultural University , Nanjing 210095, P. R. China
| | - Xinxin Liu
- College of Veterinary Medicine, Nanjing Agricultural University , Nanjing 210095, P. R. China
| | - Jinyu Yan
- College of Veterinary Medicine, Nanjing Agricultural University , Nanjing 210095, P. R. China
| | - Zain Ul Aabdin
- College of Veterinary Medicine, Nanjing Agricultural University , Nanjing 210095, P. R. China
| | - Muhammad Shahid Bilal
- College of Veterinary Medicine, Nanjing Agricultural University , Nanjing 210095, P. R. China
| | - Xiangzhen Shen
- College of Veterinary Medicine, Nanjing Agricultural University , Nanjing 210095, P. R. China
| |
Collapse
|
27
|
Martin C, Waghela SD, Lokhandwala S, Ambrus A, Bray J, Vuong C, Vinodkumar V, Dominowski PJ, Rai S, Mwangi D, Foss DL, Mwangi W. Characterization of a Broadly Reactive Anti-CD40 Agonistic Monoclonal Antibody for Potential Use as an Adjuvant. PLoS One 2017; 12:e0170504. [PMID: 28107431 PMCID: PMC5249191 DOI: 10.1371/journal.pone.0170504] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Accepted: 01/05/2017] [Indexed: 01/22/2023] Open
Abstract
Lack of safe and effective adjuvants is a major hindrance to the development of efficacious vaccines. Signaling via CD40 pathway leads to enhanced antigen processing and presentation, nitric oxide expression, pro-inflammatory cytokine expression by antigen presenting cells, and stimulation of B-cells to undergo somatic hypermutation, immunoglobulin class switching, and proliferation. Agonistic anti-CD40 antibodies have shown promising adjuvant qualities in human and mouse vaccine studies. An anti-CD40 monoclonal antibody (mAb), designated 2E4E4, was identified and shown to have strong agonistic effects on primary cells from multiple livestock species. The mAb recognize swine, bovine, caprine, and ovine CD40, and evoked 25-fold or greater proliferation of peripheral blood mononuclear cells (PBMCs) from these species relative to cells incubated with an isotype control (p<0.001). In addition, the mAb induced significant nitric oxide (p<0.0001) release by bovine macrophages. Furthermore, the mAb upregulated the expression of MHC-II by PBMCs, and stimulated significant (p<0.0001) IL-1α, IL6, IL-8, and TNF-α expression by PBMCs. These results suggest that the mAb 2E4E4 can target and stimulate cells from multiple livestock species and thus, it is a potential candidate for adjuvant development. This is the first study to report an anti-swine CD40 agonistic mAb that is also broadly reactive against multiple species.
Collapse
Affiliation(s)
- Cameron Martin
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Suryakant D. Waghela
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Shehnaz Lokhandwala
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Andy Ambrus
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Jocelyn Bray
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Christina Vuong
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Vanitha Vinodkumar
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | | | - Sharath Rai
- Zoetis, Kalamazoo, Michigan, United States of America
| | - Duncan Mwangi
- Zoetis, Kalamazoo, Michigan, United States of America
| | | | - Waithaka Mwangi
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| |
Collapse
|
28
|
Zabek K, Wojcik R, Milewski S, Malaczewska J, Tanski Z, Siwicki AK. Effect of β-hydroxy-β-methylbutyrate acid on meat performance traits and selected indicators of humoral immunity in goats. Jpn J Vet Res 2016; 64:247-256. [PMID: 29786174] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The aim of this study was to determine the effect of β-hydroxy-β-methylbutyrate acid, on parameters of meat performance in goats as well as on selected parameters of non-specific humoral defense. An experiment was performed on 24 Alpine kids divided into two equal groups: I - control and II - experimental. Over a period of 60 days, the animals were fed an HMB-supplemented diet. The following meat performance parameters were determined: body weight, daily gains, growth rate, the dimensions of musculus longissimus dorsi (m.l.d.) sections and fat thickness over the loin "eye". Selected indicators of non-specific humoral immunity were determined in the blood serum of kids: lysozyme activity, ceruloplasmin activity and gamma globulin content. It was found that the kids administered HMB had a significantly higher body weight on days 30 and 60 of the experiment compared to the control group. The kids in this group also had a significantly more favorable musculature development. Simultaneously, a significant impact of HIMB on the examined immunological indices was found. The significance of differences in relation to the control group was confirmed statistically for lysozyme activity and ceruloplasmin activity on days 30 and 60, while the content of gammaglobulins was confirmed statistically on days 15, 30 and 60 of the study. It was also found that the addition of HMB had a stimulating impact on immunity and growth rate as well as on the development of muscles. It is thus justified to administer HMB to early-weaned kids to enhance their rearing parameters.
Collapse
|
29
|
Ahasan MS, Rahman MS, Rahman AKMA, Berkvens D. Bovine and Caprine Brucellosis in Bangladesh: Bayesian evaluation of four serological tests, true prevalence, and associated risk factors in household animals. Trop Anim Health Prod 2016; 49:1-11. [PMID: 27628065 DOI: 10.1007/s11250-016-1151-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 09/07/2016] [Indexed: 11/26/2022]
Abstract
A cross-sectional study was carried out to estimate the true prevalence of Brucella spp. and identify allied risk factors/indicators associated with brucellosis in the Dinajpur and Mymensingh districts of Bangladesh. A total 320 stratified random blood samples were collected and tested in parallel for Brucella antibodies using Rose Bengal (RBT), slow agglutination (SAT), and indirect and competitive ELISA. In addition, a structured questionnaire was administered to each household herd owner to gather information regarding potential risk factors. Both univariate and multivariate logistic regression analyses were used to identify potential risk factors or indicators at animal level. A Bayesian approach was used to estimate the true prevalence of brucellosis along with the test performances (Se and Sp). The estimated animal level true prevalence in cattle was 9.70 % (95 % CPI 5.0-16 %) and in goat 6.3 % (95 % CPI 2.8-11.0 %). The highest sensitivity was achieved by SAT ranges from 69.6 to 78.9 %, and iELISA was found to be more specific (97.4 to 98.8 %) in comparison with other tests. On the other hand, a significant level of (P < 0.05) Brucella seropositivity was found in cattle that breed naturally compared with those that undergo artificial insemination. In goats, exotic breeds were significantly associated (P < 0.05) with Brucella seroprevalence compared with indigenous breeds. Goats with a previous records of abortion and/or retained placenta were also found to have significant levels (P < 0.05). Cows with previous abortion records showed higher odds (18 times) of being seropositive. None of the evaluated tests can be recommended to apply alone for the diagnosis of bovine and caprine brucellosis.
Collapse
Affiliation(s)
- Md Shamim Ahasan
- Unit of Biostatistics and Epidemiology, Department of Biomedical Sciences, Institute of Tropical Medicine (ITM), Nationalestraat 155, B-2000, Antwerp, Belgium.
- Department of Medicine, Surgery and Obstetrics, Hajee Mohammad Danesh Science and Technology University, Dinajpur, 5200, Bangladesh.
- College of Public Health, Medical and Veterinary Sciences, James Cook University, Townsville, Australia.
| | - Md Siddiqur Rahman
- Department of Medicine, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - A K M Anisur Rahman
- Department of Medicine, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Dirk Berkvens
- Unit of Biostatistics and Epidemiology, Department of Biomedical Sciences, Institute of Tropical Medicine (ITM), Nationalestraat 155, B-2000, Antwerp, Belgium
| |
Collapse
|
30
|
Hammami P, Lancelot R, Lesnoff M. Modelling the Dynamics of Post-Vaccination Immunity Rate in a Population of Sahelian Sheep after a Vaccination Campaign against Peste des Petits Ruminants Virus. PLoS One 2016; 11:e0161769. [PMID: 27603710 PMCID: PMC5014330 DOI: 10.1371/journal.pone.0161769] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 08/11/2016] [Indexed: 11/23/2022] Open
Abstract
Background Peste des petits ruminants (PPR) is an acute infectious viral disease affecting domestic small ruminants (sheep and goats) and some wild ruminant species in Africa, the Middle East and Asia. A global PPR control strategy based on mass vaccination—in regions where PPR is endemic—was recently designed and launched by international organizations. Sahelian Africa is one of the most challenging endemic regions for PPR control. Indeed, strong seasonal and annual variations in mating, mortality and offtake rates result in a complex population dynamics which might in turn alter the population post-vaccination immunity rate (PIR), and thus be important to consider for the implementation of vaccination campaigns. Methods In a context of preventive vaccination in epidemiological units without PPR virus transmission, we developed a predictive, dynamic model based on a seasonal matrix population model to simulate PIR dynamics. This model was mostly calibrated with demographic and epidemiological parameters estimated from a long-term follow-up survey of small ruminant herds. We used it to simulate the PIR dynamics following a single PPR vaccination campaign in a Sahelian sheep population, and to assess the effects of (i) changes in offtake rate related to the Tabaski (a Muslim feast following the lunar calendar), and (ii) the date of implementation of the vaccination campaigns. Results The persistence of PIR was not influenced by the Tabaski date. Decreasing the vaccination coverage from 100 to 80% had limited effects on PIR. However, lower vaccination coverage did not provide sufficient immunity rates (PIR < 70%). As a trade-off between model predictions and other considerations like animal physiological status, and suitability for livestock farmers, we would suggest to implement vaccination campaigns in September-October. This model is a first step towards better decision support for animal health authorities. It might be adapted to other species, livestock farming systems or diseases.
Collapse
Affiliation(s)
- Pachka Hammami
- UMR Contrôle des Maladies Animales Exotiques et Emergentes (Cmaee), Centre de coopération internationale en recherche agronomique pour le développement (Cirad), Campus international de Baillarguet, 34398 Montpellier, France
- UMR Cmaee 1309, Institut national de la recherche agronomique (Inra), Campus international de Baillarguet, 34398 Montpellier, France
- * E-mail:
| | - Renaud Lancelot
- UMR Contrôle des Maladies Animales Exotiques et Emergentes (Cmaee), Centre de coopération internationale en recherche agronomique pour le développement (Cirad), Campus international de Baillarguet, 34398 Montpellier, France
- UMR Cmaee 1309, Institut national de la recherche agronomique (Inra), Campus international de Baillarguet, 34398 Montpellier, France
| | - Matthieu Lesnoff
- UMR Systèmes d’élevage méditerranéens et tropicaux (Selmet), Cirad, Campus international de Baillarguet, 34398 Montpellier, France
- UMR Selmet, Inra, Campus international de Baillarguet, 34398 Montpellier, France
- UMR Selmet, Montpellier Supagro, Campus international de Baillarguet, 34398 Montpellier, France
| |
Collapse
|
31
|
Antibody Producer Settles USDA Case, Relinquishes AWA Credentials. Physiologist 2016; 59:195. [PMID: 28333423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
|
32
|
Lei MZ, Qin LJ, Zhao DD, Wang AH, Zhao XJ, Jin YP, Qi XF. Tumor necrosis factor-like weak inducer of apoptosis regulates the phenotype and cytotoxic activity of goat uterine natural killer cells. J Anim Sci 2016; 93:589-97. [PMID: 26020747 DOI: 10.2527/jas.2014-7942] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Tumor necrosis factor-like weak inducer of apoptosis (TWEAK) has an important role in the promotion of cell proliferation, migration, and differentiation. However, very little is known about the role of TWEAK in modulating uterine natural killer (uNK) cells' comprehensive functions in ruminants. In the present study, the effects of TWEAK on goat uNK cells were investigated by measuring their cytotoxic function and phenotype as well as cytokine expression in vitro. The results showed that TWEAK protein could be detected in the goat endometrium during estrous cycle and pregnancy. However, a significant increase in ( < 0.05) TWEAK protein levels was observed during very early pregnancy when compared with that during mid pregnancy and later pregnancy as well as during different phases of estrous cycle. Tumor necrosis factor-like weak inducer of apoptosis did not affect proliferation but did decrease ( < 0.05) the cytotoxic activity of uNK cells in vitro. Furthermore, the percentage of CD56/NKp46 uNK cells incubated with TWEAK-containing medium was greater ( < 0.05) compared with those treated with control medium. In addition, uNK cells incubated with TWEAK medium were associated with lesser ( < 0.05) secretion levels and protein expression of interferon-γ (IFN-γ) compared to those incubated with control medium. However, no differences ( > 0.05) could be observed for the secretion levels and protein expression of vascular endothelial growth factor (VEGF) in the uNK cells incubated with TWEAK-containing medium compared with those incubated with control medium. The present preliminary observations indicate that TWEAK has a biological effect on phenotype of uNK cells as well as the secretion and expression of IFN-γ by uNK cells in goats. Moreover, TWEAK decreases the cytotoxicity of goat uNK cells in vitro.
Collapse
|
33
|
Plaimauer B, Schiviz A, Kaufmann S, Höllriegl W, Rottensteiner H, Scheiflinger F. Neutralization of inhibitory antibodies and restoration of therapeutic ADAMTS-13 activity levels in inhibitor-treated rats by the use of defined doses of recombinant ADAMTS-13. J Thromb Haemost 2015; 13:2053-62. [PMID: 26340698 DOI: 10.1111/jth.13137] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Accepted: 08/27/2015] [Indexed: 11/27/2022]
Abstract
BACKGROUND Acquired thrombotic thrombocytopenic purpura (TTP) is caused by an autoantibody-mediated deficiency of the von Willebrand factor-cleaving protease ADAMTS-13. Acute episodes of the disease are treated with a combination of immunosuppression and repeated cycles of plasma exchange to remove anti-ADAMTS-13 autoantibodies and, at the same time, replenish functional ADAMTS-13. Although this is often effective, the mortality rate has remained between 10% and 20%, highlighting the need for safer treatment options. OBJECTIVES We previously showed that, in vitro, human recombinant ADAMTS-13 (rADAMTS-13) is able to override neutralizing antibodies and restore ADAMTS-13 activity in plasma from patients with acquired TTP. In the present study, we assessed the in vivo feasibility of this strategy by using a rat model. METHODS Wild-type rats were adjusted to an ADAMTS-13 inhibitor (inhibitor) titer of ~ 10 BU mL(-1) with goat anti-ADAMTS-13 IgG, and treated with increasing doses of rADAMTS-13. Blood samples were drawn and analyzed for ADAMTS-13-specific parameters, including FRETS-VWF73 activity, inhibitor, and ADAMTS-13-specific immune complexes (ICs). The pharmacokinetics of ADAMTS-13 activity and inhibitors were evaluated. RESULTS Administration of inhibitor titer-adjusted doses of rADAMTS-13 to inhibitor-treated rats predictably restored activity. Inhibitors were readily neutralized through formation of ADAMTS-13-specific ICs, which were cleared at a higher rate than the free inhibitor. Surplus protease was enzymatically active in plasma, and showed similar pharmacokinetics to ADAMTS-13 in not inhibitor-treated rats. CONCLUSIONS Defined doses of rADAMTS-13 neutralized circulating anti-ADAMTS-13 antibodies and enabled reconstitution of ADAMTS-13 activity in plasma in our model, indicating that the protease may be a promising candidate for further exploration in treating acute episodes of acquired TTP.
Collapse
Affiliation(s)
- B Plaimauer
- Baxalta Innovations GmbH, DC-Tower Vienna, Vienna, Austria
| | - A Schiviz
- Baxalta Innovations GmbH, DC-Tower Vienna, Vienna, Austria
| | - S Kaufmann
- Baxalta Innovations GmbH, DC-Tower Vienna, Vienna, Austria
| | - W Höllriegl
- Baxalta Innovations GmbH, DC-Tower Vienna, Vienna, Austria
| | | | - F Scheiflinger
- Baxalta Innovations GmbH, DC-Tower Vienna, Vienna, Austria
| |
Collapse
|
34
|
Zhang L, Huang X, Xue B, Peng Q, Wang Z, Yan T, Wang L. Immunization against Rumen Methanogenesis by Vaccination with a New Recombinant Protein. PLoS One 2015; 10:e0140086. [PMID: 26445479 PMCID: PMC4596829 DOI: 10.1371/journal.pone.0140086] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2015] [Accepted: 09/20/2015] [Indexed: 01/30/2023] Open
Abstract
Vaccination through recombinant proteins against rumen methanogenesis provides a mitigation approach to reduce enteric methane (CH4) emissions in ruminants. The objective of present study was to evaluate the in vivo efficacy of a new vaccine candidate protein (EhaF) on methanogenesis and microbial population in the rumen of goats. We amplified the gene mru 1407 encoding protein EhaF using fresh rumen fluid samples of mature goats and successfully expressed recombinant protein (EhaF) in Escherichia coli Rosetta. This product was evaluated using 12 mature goats with half for control and other half injected with 400ug/goat the purified recombinant protein in day 1 and two subsequent booster immunizations in day 35 and 49. All measurements were undertaken from 63 to 68 days after the initial vaccination, with CH4 emissions determined using respiration calorimeter chambers. The results showed that the vaccination caused intensive immune responses in serum and saliva, although it had no significant effect on total enteric CH4 emissions and methanogen population in the rumen, when compared with the control goats. However, the vaccination altered the composition of rumen bacteria, especially the abundance of main phylum Firmicutes and genus Prevotella. The results indicate that protein EhaF might not be an effective vaccine to reduce enteric CH4 emissions but our vaccine have potential to influence the rumen ecosystem of goats.
Collapse
Affiliation(s)
- Litai Zhang
- Institute of animal nutrition, Sichuan Agricultural University, Yaan, Sichuan, China
| | - Xiaofeng Huang
- Institute of animal nutrition, Sichuan Agricultural University, Yaan, Sichuan, China
| | - Bai Xue
- Institute of animal nutrition, Sichuan Agricultural University, Yaan, Sichuan, China
| | - Quanhui Peng
- Institute of animal nutrition, Sichuan Agricultural University, Yaan, Sichuan, China
| | - Zhisheng Wang
- Institute of animal nutrition, Sichuan Agricultural University, Yaan, Sichuan, China
| | - Tianhai Yan
- Agri-Food and Biosciences Institute, Hillsborough, United Kingdom
| | - Lizhi Wang
- Institute of animal nutrition, Sichuan Agricultural University, Yaan, Sichuan, China
- * E-mail:
| |
Collapse
|
35
|
Yohn DS, Olsen RG. Antibodies to feline oncornavirus group-specific antigens in feline sera. Bibl Haematol 2015; 39:744-54. [PMID: 4130403 DOI: 10.1159/000427903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
|
36
|
Maruyama K, Dmochowski L, Romero JJ, Wagner SH, Swearingen GR. Studies of human cells infected by leukemia viruses. Bibl Haematol 2015; 39:852-70. [PMID: 4360197 DOI: 10.1159/000427914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
|
37
|
Maruyama K, Dmochowski L. Antigenic analysis of transformed and nontransformed cells from human neoplasms. Prog Exp Tumor Res 2015; 19:253-69. [PMID: 4373782 DOI: 10.1159/000395860] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
|
38
|
Pett SL, Williams LA, Day RO, Lloyd AR, Carr AD, Clezy KR, Emery S, Kaplan E, McPhee DA, McLachlan AJ, Gelder FB, Lewin SR, Liauw W, Williams KM. A Phase I Study of the Pharmacokinetics and Safety of Passive Immunotherapy with Caprine Anti-HIV Antibodies,PEHRG214, in HIV-1--Infected Individuals. HIV Clinical Trials 2015; 5:91-8. [PMID: 15116285 DOI: 10.1310/1fln-8kfc-5heq-k19j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
PURPOSE To establish the pharmacokinetics and safety of single-dose polyclonal caprine anti-HIV antibodies ((PE)HRG214)in HIV-1-infected individuals. DESIGN A phase 1, open-label, nonrandomized, dose-escalating study. METHOD HIV-1-infected patients with CD4+ T-cell counts of < or =200 cells/microL and plasma HIV viral load (VL)of > or =5,000 copies/mL received a single intravenous dose of HRG. Dosing began at 6,000 U/kg HRG with proposed step-wise escalation to 96,000 U/kg. RESULTS Eleven males were enrolled; median CD4+T-cell count and VL were 96 cells/microL and 126,200 copies/mL, respectively. HRG exhibited linear pharmacokinetics across the dosing range studied. The mean terminal elimination half-life (t(1/2)) was 136.6 +/- 44.6 hours (range, 52.6-198 h). Serum sickness occurred in one 48,000 U/kg HRG recipient. One 6,000 U/kg and two 24,000 U/kg HRG recipients developed a mild rash. Between baseline and day 60, VL remained unchanged (n = 6), increased by 0.67 log(10) copies/mL (n = 1), or declined by 0.34-1.55 log(10) copies/mL (n = 4). CONCLUSION Single-dose HRG exhibited linear kinetics and a long half-life. Although numbers in each dosing group were very small (n = 3), HRG was generally well tolerated in doses below 48,000 U/kg. Multiple dosing with HRG in the HIV-salvage setting may be complicated by immune-complex formation.
Collapse
Affiliation(s)
- Sarah L Pett
- HIV, Immunology and Infectious Diseases Clinical Services, St. Vincent's Hospital, Sydney, and National Centre in HIV Epidemiology and Clinical Research, University of NSW, Darlinghurst, Sydney, Australia.
| | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
39
|
Dhanasekaran S, Biswas M, Vignesh AR, Ramya R, Raj GD, Tirumurugaan KG, Raja A, Kataria RS, Parida S, Subbiah E. Toll-like receptor responses to Peste des petits ruminants virus in goats and water buffalo. PLoS One 2014; 9:e111609. [PMID: 25369126 PMCID: PMC4219731 DOI: 10.1371/journal.pone.0111609] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2014] [Accepted: 10/06/2014] [Indexed: 12/16/2022] Open
Abstract
Ovine rinderpest or goat plague is an economically important and contagious viral disease of sheep and goats, caused by the Peste des petits ruminants virus (PPRV). Differences in susceptibility to goat plague among different breeds and water buffalo exist. The host innate immune system discriminates between pathogen associated molecular patterns and self antigens through surveillance receptors known as Toll like receptors (TLR). We investigated the role of TLR and cytokines in differential susceptibility of goat breeds and water buffalo to PPRV. We examined the replication of PPRV in peripheral blood mononuclear cells (PBMC) of Indian domestic goats and water buffalo and demonstrated that the levels of TLR3 and TLR7 and downstream signalling molecules correlation with susceptibility vs resistance. Naturally susceptible goat breeds, Barbari and Tellichery, had dampened innate immune responses to PPRV and increased viral loads with lower basal expression levels of TLR 3/7. Upon stimulation of PBMC with synthetic TLR3 and TLR7 agonists or PPRV, the levels of proinflammatory cytokines were found to be significantly higher while immunosuppressive interleukin (IL) 10 levels were lower in PPRV resistant Kanni and Salem Black breeds and water buffalo at transcriptional level, correlating with reduced viralloads in infected PBMC. Water buffalo produced higher levels of interferon (IFN) α in comparison with goats at transcriptional and translational levels. Pre-treatment of Vero cells with human IFNα resulted in reduction of PPRV replication, confirming the role of IFNα in limiting PPRV replication. Treatment with IRS66, a TLR7 antagonist, resulted in the reduction of IFNα levels, with increased PPRV replication confirming the role of TLR7. Single nucleotide polymorphism analysis of TLR7 of these goat breeds did not show any marked nucleotide differences that might account for susceptibility vs resistance to PPRV. Analyzing other host genetic factors might provide further insights on susceptibility to PPRV and genetic polymorphisms in the host.
Collapse
Affiliation(s)
- Sakthivel Dhanasekaran
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, Tamil Nadu, India
| | - Moanaro Biswas
- Department of Biomedical Sciences and Pathobiology, Center for Molecular Medicine and Infectious Diseases, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, United States of America
| | - Ambothi R. Vignesh
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, Tamil Nadu, India
| | - R. Ramya
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, Tamil Nadu, India
| | - Gopal Dhinakar Raj
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, Tamil Nadu, India
| | - Krishnaswamy G. Tirumurugaan
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, Tamil Nadu, India
| | - Angamuthu Raja
- Department of Animal Biotechnology, Madras Veterinary College, Tamil Nadu Veterinary and Animal Sciences University, Chennai, Tamil Nadu, India
| | - Ranjit S. Kataria
- Animal Genetics Division, National Bureau of Animal Genetic Resources, Karnal (Haryana), India
| | - Satya Parida
- Head of FMD Vaccine Differentiation Group, The Pirbright Institute, Surrey, United Kingdom
- * E-mail: (SP); (ES)
| | - Elankumaran Subbiah
- Department of Biomedical Sciences and Pathobiology, Center for Molecular Medicine and Infectious Diseases, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Polytechnic Institute and State University, Blacksburg, Virginia, United States of America
- * E-mail: (SP); (ES)
| |
Collapse
|
40
|
Ammerdorffer A, Roest HIJ, Dinkla A, Post J, Schoffelen T, van Deuren M, Sprong T, Rebel JM. The effect of C. burnetii infection on the cytokine response of PBMCs from pregnant goats. PLoS One 2014; 9:e109283. [PMID: 25279829 PMCID: PMC4184872 DOI: 10.1371/journal.pone.0109283] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 09/10/2014] [Indexed: 02/06/2023] Open
Abstract
In humans, infection with Coxiella burnetii, the causative agent of Q fever, leads to acute or chronic infection, both associated with specific clinical symptoms. In contrast, no symptoms are observed in goats during C. burnetii infection, although infection of the placenta eventually leads to premature delivery, stillbirth and abortion. It is unknown whether these differences in clinical outcome are due to the early immune responses of the goats. Therefore, peripheral blood mononuclear cells (PBMCs) were isolated from pregnant goats. In total, 17 goats were included in the study. Six goats remained naive, while eleven goats were infected with C. burnetii. Toll-like receptor (TLR) and cytokine mRNA expression were measured after in vitro stimulation with heat-killed C. burnetii at different time points (prior infection, day 7, 35 and 56 after infection). In naive goats an increased expression of interleukin (IL)-1β, tumor necrosis factor (TNF)-α, IL-10 and interferon (IFN)-γ mRNA upon C. burnetii stimulation was detected. In addition, TLR2 expression was strongly up-regulated. In goats infected with C. burnetii, PBMCs re-stimulated in vitro with C. burnetii, expressed significantly more TNF-α mRNA and IFN-γ mRNA compared to naive goats. In contrast, IL-10 mRNA production capacity was down-regulated during C. burnetii infection. Interestingly, at day 7 after inoculation a decreased IFN-γ protein level was observed in stimulated leukocytes in whole blood from infected goats, whereas at other time-points increased production of IFN-γ protein was seen. Our study shows that goats initiate a robust pro-inflammatory immune response against C. burnetii in vitro. Furthermore, PBMCs from C. burnetii infected goats show augmented pro-inflammatory cytokine responses compared to PBMCs from non-infected goats. However, despite this pro-inflammatory response, goats are not capable of clearing the C. burnetii infection.
Collapse
Affiliation(s)
- Anne Ammerdorffer
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Bacteriology and TSEs, Central Veterinary Institute of Wageningen UR, Lelystad, The Netherlands
- * E-mail:
| | - Hendrik-I J. Roest
- Department of Bacteriology and TSEs, Central Veterinary Institute of Wageningen UR, Lelystad, The Netherlands
| | - Annemieke Dinkla
- Department of Bacteriology and TSEs, Central Veterinary Institute of Wageningen UR, Lelystad, The Netherlands
| | - Jacob Post
- Department of Infection Biology, Central Veterinary Institute of Wageningen UR, Lelystad, The Netherlands
| | - Teske Schoffelen
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Marcel van Deuren
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Tom Sprong
- Department of Medicine, Radboud University Medical Center, Nijmegen, The Netherlands
- Department of Internal Medicine, Canisius-Wilhelmina Hospital, Nijmegen, The Netherlands
- Department of Medical Microbiology and Infectious Diseases, Canisius- Wilhelmina Hospital, Nijmegen, The Netherlands
| | - Johanna M. Rebel
- Department of Infection Biology, Central Veterinary Institute of Wageningen UR, Lelystad, The Netherlands
- * E-mail:
| |
Collapse
|
41
|
Grossen C, Keller L, Biebach I, Croll D. Introgression from domestic goat generated variation at the major histocompatibility complex of Alpine ibex. PLoS Genet 2014; 10:e1004438. [PMID: 24945814 PMCID: PMC4063738 DOI: 10.1371/journal.pgen.1004438] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2013] [Accepted: 04/30/2014] [Indexed: 12/30/2022] Open
Abstract
The major histocompatibility complex (MHC) is a crucial component of the vertebrate immune system and shows extremely high levels of genetic polymorphism. The extraordinary genetic variation is thought to be ancient polymorphisms maintained by balancing selection. However, introgression from related species was recently proposed as an additional mechanism. Here we provide evidence for introgression at the MHC in Alpine ibex (Capra ibex ibex). At a usually very polymorphic MHC exon involved in pathogen recognition (DRB exon 2), Alpine ibex carried only two alleles. We found that one of these DRB alleles is identical to a DRB allele of domestic goats (Capra aegagrus hircus). We sequenced 2489 bp of the coding and non-coding regions of the DRB gene and found that Alpine ibex homozygous for the goat-type DRB exon 2 allele showed nearly identical sequences (99.8%) to a breed of domestic goats. Using Sanger and RAD sequencing, microsatellite and SNP chip data, we show that the chromosomal region containing the goat-type DRB allele has a signature of recent introgression in Alpine ibex. A region of approximately 750 kb including the DRB locus showed high rates of heterozygosity in individuals carrying one copy of the goat-type DRB allele. These individuals shared SNP alleles both with domestic goats and other Alpine ibex. In a survey of four Alpine ibex populations, we found that the region surrounding the DRB allele shows strong linkage disequilibria, strong sequence clustering and low diversity among haplotypes carrying the goat-type allele. Introgression at the MHC is likely adaptive and introgression critically increased MHC DRB diversity in the genetically impoverished Alpine ibex. Our finding contradicts the long-standing view that genetic variability at the MHC is solely a consequence of ancient trans-species polymorphism. Introgression is likely an underappreciated source of genetic diversity at the MHC and other loci under balancing selection. The major histocompatibility complex (MHC), a crucial component of the defense against pathogens, contains the most polymorphic functional genes in vertebrate genomes. The extraordinary genetic variation is generally considered to be ancient. We investigated whether a previously neglected mechanism, introgression from related species, provides an additional source of MHC variation. We show that introgression from domestic goat dramatically increased genetic variation at the MHC of Alpine ibex, a species that had nearly gone extinct during the 18th century, but has been restored to large numbers since. We show that Alpine ibex share one of only two alleles at a generally highly polymorphic MHC locus with domestic goats and that the chromosomal region containing the goat-type allele has a signature of recent introgression. Our finding contradicts the long-standing view that ancient trans-species polymorphism is the sole source of the extraordinary genetic variability at the MHC. Instead, we show that in Alpine ibex introgression generated genetic diversity at a MHC locus. Our study supports the view that loci favoring genetic polymorphism may be susceptible to adaptive introgression from related species and will encourage future research to identify unexpected signatures of introgression.
Collapse
Affiliation(s)
- Christine Grossen
- Institute of Evolutionary Biology and Environmental Studies, University of Zürich, Zürich, Switzerland
- Department of Zoology, University of British Columbia, Vancouver, Canada
- * E-mail:
| | - Lukas Keller
- Institute of Evolutionary Biology and Environmental Studies, University of Zürich, Zürich, Switzerland
| | - Iris Biebach
- Institute of Evolutionary Biology and Environmental Studies, University of Zürich, Zürich, Switzerland
| | - The International Goat Genome Consortium
- Kunming Institute of Zoology, Chinese Academy of Sciences, State Key Laboratory of Genetic Resources and Evolution, Kunming, China
- INRA, UMR444, Laboratoire de Génétique Cellulaire, Castanet-Tolosan, France
| | - Daniel Croll
- Michael Smith Laboratories, University of British Columbia, Vancouver, Canada
| |
Collapse
|
42
|
Singh AK, Ghosh S, Basu P, Haldar C. Daily variation in melatonin level, antioxidant activity and general immune response of peripheral blood mononuclear cells and lymphoid tissues of Indian goat Capra hircus during summer and winter. Indian J Exp Biol 2014; 52:467-477. [PMID: 24851409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Daily variation in circulatory melatonin level, during different seasons, has been reported to influence immune system and free-radical scavenging capacity in mammals, including human beings. Similar studies have not been carried out on small ruminant viz. goats that are susceptible to opportunistic infections, increased oxidative load and sickness during free-grazing activity and frequent exposure to agro-chemicals. Therefore, daily variation in immune status, antioxidant enzyme activity and its possible correlation with circulatory melatonin level during two different seasons, summer (long day) and winter (short day) were studied in the Indian goat, Capra hircus. The clinically important immune parameters, such as total leukocyte count, % lymphocyte count and % stimulation ratio of T-lymphocytes presented a day/night rhythm prominently in the winter. The oxidative load in terms of malonedialdehyde was always low during night while antioxidant enzymes superoxide dismutase, catalase and total antioxidant status were high during nighttime (1800 to 0600 hrs). Interestingly, the studied parameters were significantly higher during the winter in both the sexes. Rhythmometric analyses showed prominent rhythmicity in above parameters. The data presented strong positive correlation between high levels of nighttime melatonin levels and immune parameters during winter. It suggests that melatonin possesses immunoenhacing as well as antioxidative property during winter. This might be a necessity for maintenance of physiological harmony in goats to protect them from winter stress.
Collapse
|
43
|
Zhang X, Yu Z, Zhang S, He K. Immunization with H7-HCP-tir-intimin significantly reduces colonization and shedding of Escherichia coli O157:H7 in goats. PLoS One 2014; 9:e91632. [PMID: 24632795 PMCID: PMC3954762 DOI: 10.1371/journal.pone.0091632] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2013] [Accepted: 02/11/2014] [Indexed: 11/18/2022] Open
Abstract
Enterohemorrhagic Escherichia coli (EHEC) O157:H7 is the causative agent of hemorrhagic colitis and hemolytic uremic syndrome in humans. However, the bacterium can colonize the intestines of ruminants without causing clinical signs. EHEC O157:H7 needs flagella (H7) and hemorrhagic coli pili (HCP) to adhere to epithelial cells. Then the bacterium uses the translocated intimin receptor (Tir) and an outer membrane adhesion (Intimin) protein to colonize hosts. This leads to the attachment and effacement of (A/E) lesions. A tetravalent recombinant vaccine (H7-HCP-Tir-Intimin) composed of immunologically important portions of H7, HCP, Tir and Intimin proteins was constructed and its efficacy was evaluated using a caprine model. The results showed that the recombinant vaccine induced strong humoral and mucosal immune responses and protected the subjects from live challenges with EHEC O157:H7 86-24 stain. After a second immunization, the average IgG titer peaked at 7.2 × 10(5). Five days after challenge, E. coli O157:H7 was no longer detectable in the feces of vaccinated goats, but naïve goats shed the bacterium throughout the course of the challenge. Cultures of intestinal tissues showed that vaccination of goats with H7-HCP-Tir-Intimin reduced the amount of intestinal colonization by EHEC O157:H7 effectively. Recombinant H7-HCP-Tir-Intimin protein is an excellent vaccine candidate. Data from the present study warrant further efficacy studies aimed at reducing EHEC O157:H7 load on farms and the contamination of carcasses by this zoonotic pathogen.
Collapse
Affiliation(s)
- Xuehan Zhang
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, P. R. China
- Key Laboratory of Engineering Research of Veterinary Bio-products of Agricultural Ministry, Nanjing, P. R. China
- National Center for Engineering Research of Veterinary Bio-products, Nanjing, P. R. China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P. R. China
- * E-mail: (XZ); (KH)
| | - Zhengyu Yu
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, P. R. China
- Key Laboratory of Engineering Research of Veterinary Bio-products of Agricultural Ministry, Nanjing, P. R. China
- National Center for Engineering Research of Veterinary Bio-products, Nanjing, P. R. China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P. R. China
| | - Shuping Zhang
- Department of Veterinary Pathobiology, College of Veterinary Medicine, University of Missouri, Columbia, Missouri, United States of America
| | - Kongwang He
- Institute of Veterinary Medicine, Jiangsu Academy of Agricultural Sciences, Nanjing, P. R. China
- Key Laboratory of Engineering Research of Veterinary Bio-products of Agricultural Ministry, Nanjing, P. R. China
- National Center for Engineering Research of Veterinary Bio-products, Nanjing, P. R. China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, P. R. China
- * E-mail: (XZ); (KH)
| |
Collapse
|
44
|
Ndumnego OC, Crafford J, Beyer W, van Heerden H. Quantitative anti-PA IgG ELISA; assessment and comparability with the anthrax toxin neutralization assay in goats. BMC Vet Res 2013; 9:265. [PMID: 24373579 PMCID: PMC3892015 DOI: 10.1186/1746-6148-9-265] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2013] [Accepted: 12/20/2013] [Indexed: 01/24/2023] Open
Abstract
BACKGROUND Presently, few data exist on the level and duration of anti-protective antigen (PA) IgG in vaccinated livestock. Various adaptation of enzyme-linked immunosorbent assays (ELISAs) have been developed in studies to assess immune response following vaccination, albeit mostly in laboratory rodent models. The quantitative anti-anthrax IgG ELISA in this study describes a method of enumerating the concentration of anti-PA specific IgG present in sera of immunized goats, with the aid of an affinity-purified caprine polyclonal anti-anthrax PA-83 IgG standard. This was compared with the anthrax toxin neutralization assay (TNA) which measures a functional subset of toxin neutralizing anti-PA IgG. RESULTS The measured concentrations obtained in the standard curve correlated with the known concentration at each dilution. Percentage recovery of the standard concentrations ranged from 89 to 98% (lower and upper asymptote respectively). Mean correlation coefficient (r2) of the standard curve was 0.998. Evaluation of the intra-assay coefficient of variation showed ranges of 0.23-16.90% and 0.40-12.46% for days 28 and 140 sera samples respectively, following vaccination. The mean inter-assay coefficient of variation for triplicate samples repeated on 5 different days was 18.53 and 12.17% for days 28 and 140 sera samples respectively. Spearman's rank correlation of log-transformed IgG concentrations and TNA titres showed strong positive correlation (rs = 0.942; p = 0.01). CONCLUSION This study provides evidence that an indirect ELISA can be used for the quantification of anti-anthrax PA IgG in goats with the added advantage of using single dilutions to save time and resources. The use of such related immunoassays can serve as potential adjuncts to potency tests for Sterne and other vaccine types under development in ruminant species. This is the first report on the correlation of polyclonal anti-anthrax PA83 antibody with the TNA in goats.
Collapse
Affiliation(s)
- Okechukwu C Ndumnego
- Department of Veterinary Tropical Diseases, University of Pretoria, Onderstepoort 0110, South Africa
| | - Jannie Crafford
- Department of Veterinary Tropical Diseases, University of Pretoria, Onderstepoort 0110, South Africa
| | - Wolfgang Beyer
- Institute of Environmental and Animal Hygiene, University of Hohenheim, Stuttgart, Germany
| | - Henriette van Heerden
- Department of Veterinary Tropical Diseases, University of Pretoria, Onderstepoort 0110, South Africa
| |
Collapse
|
45
|
Tenuche O, Emikpe BO, Sabri MY. Cellular and mucosal immune responses in the respiratory tract of Nigerian goats following intranasal administration of inactivated Recombinant Mannheimia hemolytica bacterine. Niger J Physiol Sci 2013; 28:121-125. [PMID: 24937385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Accepted: 04/11/2014] [Indexed: 06/03/2023]
Abstract
This experiment was conducted to evaluate the cellular and mucosal responses in the respiratory tract of Nigerian goats vaccinated intranasally with recombinant Mannheimia hemolytica bacterine. Twenty one goats were divided into five groups, five goats each in three vaccinated groups while three goats each in two other groups serve as positive and negative control. Group A was vaccinated once; group B was vaccinated twice at one week interval, and group D at twice at two weeks interval. Group C1 were the unvaccinated and challenged, while group C2 were unvaccinated and unchallenged. The bronchoalveolar lavage differential counts and bronchial associated lymphoid tissue (BALT) responses were measured using Giemsa stained thin smear of the cell fraction of the lavage and histomorphometry. ANOVA were employed and significance was at p>0.05. The post-challenge macrophage to neutrophil (M:N) ratio values of group B goats was the highest and the ratio differed from other groups which had much lower M:N values. The exposure in group B resulted in significant increase in number and size of BALTs as well as the number of lymphocytes in BALT than those of the other groups. This study showed that intranasal vaccination of the recombinant Mannheimia hemolytica bacterine twice at a week interval was more efficient in inducing strong mucosal and defensive cellular responses in the respiratory tract.
Collapse
Affiliation(s)
- Oremeyi Tenuche
- 1Department of Veterinary Pathology, University of Abuja, Abuja.
| | | | | |
Collapse
|
46
|
Hollmann M, Miller I, Hummel K, Sabitzer S, Metzler-Zebeli BU, Razzazi-Fazeli E, Zebeli Q. Downregulation of cellular protective factors of rumen epithelium in goats fed high energy diet. PLoS One 2013; 8:e81602. [PMID: 24349094 PMCID: PMC3857193 DOI: 10.1371/journal.pone.0081602] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Accepted: 10/15/2013] [Indexed: 01/09/2023] Open
Abstract
Energy-rich diets can challenge metabolic and protective functions of the rumen epithelial cells, but the underlying factors are unclear. This study sought to evaluate proteomic changes of the rumen epithelium in goats fed a low, medium, or high energy diet. Expression of protein changes were compared by two-dimensional differential gel electrophoresis followed by protein identification with matrix assisted laser desorption ionisation tandem time-of-flight mass spectrometry. Of about 2,000 spots commonly detected in all gels, 64 spots were significantly regulated, which were traced back to 24 unique proteins. Interestingly, the expression profiles of several chaperone proteins with important cellular protective functions such as heat shock cognate 71 kDa protein, peroxiredoxin-6, serpin H1, protein disulfide-isomerase, and selenium-binding protein were collectively downregulated in response to high dietary energy supply. Similar regulation patterns were obtained for some other proteins involved in transport or metabolic functions. In contrast, metabolic enzymes like retinal dehydrogenase 1 and ATP synthase subunit beta, mitochondrial precursor were upregulated in response to high energy diet. Lower expressions of chaperone proteins in the rumen epithelial cells in response to high energy supply may suggest that these cells were less protected against the potentially harmful rumen toxic compounds, which might have consequences for rumen and systemic health. Our findings also suggest that energy-rich diets and the resulting acidotic insult may render rumen epithelial cells more vulnerable to cellular damage by attenuating their cell defense system, hence facilitating the impairment of rumen barrier function, typically observed in energy-rich fed ruminants.
Collapse
Affiliation(s)
- Manfred Hollmann
- Department for Farm Animals and Veterinary Public Health, Institute of Animal Nutrition and Functional Plant Compounds, Vetmeduni Vienna, Vienna, Austria
| | - Ingrid Miller
- Department of Biomedical Sciences, Institute of Medical Biochemistry, Vetmeduni Vienna, Vienna, Austria
| | - Karin Hummel
- VetCore Facility for Research, Vetmeduni Vienna, Vienna, Austria
| | - Sonja Sabitzer
- VetCore Facility for Research, Vetmeduni Vienna, Vienna, Austria
| | - Barbara U. Metzler-Zebeli
- Department for Farm Animals and Veterinary Public Health, Clinic for Swine, Vetmeduni Vienna, Vienna, Austria
| | | | - Qendrim Zebeli
- Department for Farm Animals and Veterinary Public Health, Institute of Animal Nutrition and Functional Plant Compounds, Vetmeduni Vienna, Vienna, Austria
| |
Collapse
|
47
|
Sadeghi M, Najafpanah MJ. Analysis of immune-relevant genes expressed in spleen of Capra hircus kids fed with trivalent chromium. Biol Trace Elem Res 2013; 156:124-9. [PMID: 24078326 DOI: 10.1007/s12011-013-9828-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2013] [Accepted: 09/16/2013] [Indexed: 11/28/2022]
Abstract
Chromium is a biologically important element for humans and laboratory animals. Although the favorable effects of trivalent chromiumon immune responses of studied animals have been well documented, the precise mechanisms by which the chromium acts on immune system is relatively poor studied. In this study, real-time qPCR technique was employed to evaluate the expression profiles of four immune-related genes (B2M, MHCA, MHCB, and Rap2A) in spleens of the domestic goats, Capra hircus, feeding on four different levels of supplemental chromium (0, 0.5, 1, and 1.5 mg/day) as chromium– methionine. The results showed that 1.5 mg/day of supplemental chromium significantly increased the expression of the four studied genes (P <0.01). Since the studied genes play important roles in development, activation, and migration of lymphocytes, their increased expression seems to be an unknown mechanism by which chromium impose reinforcing effects on immune system. Therefore, supplemental chromium can be potentially used to improve immune responses especially in animals experiencing any type of stress such as invasion by a pathogen.
Collapse
|
48
|
Gonzalez-Juarrero M, Mima N, Trunck LA, Schweizer HP, Bowen RA, Dascher K, Mwangi W, Eckstein TM. Polar lipids of Burkholderia pseudomallei induce different host immune responses. PLoS One 2013; 8:e80368. [PMID: 24260378 PMCID: PMC3832426 DOI: 10.1371/journal.pone.0080368] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2013] [Accepted: 10/08/2013] [Indexed: 12/12/2022] Open
Abstract
Melioidosis is a disease in tropical and subtropical regions of the world that is caused by Burkholderia pseudomallei. In endemic regions the disease occurs primarily in humans and goats. In the present study, we used the goat as a model to dissect the polar lipids of B. pseudomallei to identify lipid molecules that could be used for adjuvants/vaccines or as diagnostic tools. We showed that the lipidome of B. pseudomallei and its fractions contain several polar lipids with the capacity to elicit different immune responses in goats, namely rhamnolipids and ornithine lipids which induced IFN-γ, whereas phospholipids and an undefined polar lipid induced strong IL-10 secretion in CD4+ T cells. Autologous T cells co-cultured with caprine dendritic cells (cDCs) and polar lipids of B. pseudomallei proliferated and up-regulated the expression of CD25 (IL-2 receptor) molecules. Furthermore, we demonstrated that polar lipids were able to up-regulate CD1w2 antigen expression in cDCs derived from peripheral blood monocytes. Interestingly, the same polar lipids had only little effect on the expression of MHC class II DR antigens in the same caprine dendritic cells. Finally, antibody blocking of the CD1w2 molecules on cDCs resulted in decreased expression for IFN-γ by CD4+ T cells. Altogether, these results showed that polar lipids of B. pseudomallei are recognized by the caprine immune system and that their recognition is primarily mediated by the CD1 antigen cluster.
Collapse
Affiliation(s)
- Mercedes Gonzalez-Juarrero
- Department of Microbiology Immunology and Pathology, Colorado State University, Fort Collins, Colorado, United State of America
| | - Naoko Mima
- Department of Microbiology Immunology and Pathology, Colorado State University, Fort Collins, Colorado, United State of America
| | - Lily A. Trunck
- Department of Microbiology Immunology and Pathology, Colorado State University, Fort Collins, Colorado, United State of America
| | - Herbert P. Schweizer
- Department of Microbiology Immunology and Pathology, Colorado State University, Fort Collins, Colorado, United State of America
| | - Richard A. Bowen
- Department of Biomedical Sciences, Colorado State University, Fort Collins, Colorado, United States of America
| | - Kyle Dascher
- Department of Microbiology Immunology and Pathology, Colorado State University, Fort Collins, Colorado, United State of America
| | - Waithaka Mwangi
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Torsten M. Eckstein
- Department of Microbiology Immunology and Pathology, Colorado State University, Fort Collins, Colorado, United State of America
- * E-mail:
| |
Collapse
|
49
|
Desquesnes M, Holzmuller P, Lai DH, Dargantes A, Lun ZR, Jittaplapong S. Trypanosoma evansi and surra: a review and perspectives on origin, history, distribution, taxonomy, morphology, hosts, and pathogenic effects. Biomed Res Int 2013; 2013:194176. [PMID: 24024184 PMCID: PMC3760267 DOI: 10.1155/2013/194176] [Citation(s) in RCA: 198] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2013] [Accepted: 07/05/2013] [Indexed: 11/17/2022]
Abstract
Trypanosoma evansi, the agent of "surra," is a salivarian trypanosome, originating from Africa. It is thought to derive from Trypanosoma brucei by deletion of the maxicircle kinetoplastic DNA (genetic material required for cyclical development in tsetse flies). It is mostly mechanically transmitted by tabanids and stomoxes, initially to camels, in sub-Saharan area. The disease spread from North Africa towards the Middle East, Turkey, India, up to 53° North in Russia, across all South-East Asia, down to Indonesia and the Philippines, and it was also introduced by the conquistadores into Latin America. It can affect a very large range of domestic and wild hosts including camelids, equines, cattle, buffaloes, sheep, goats, pigs, dogs and other carnivores, deer, gazelles, and elephants. It found a new large range of wild and domestic hosts in Latin America, including reservoirs (capybaras) and biological vectors (vampire bats). Surra is a major disease in camels, equines, and dogs, in which it can often be fatal in the absence of treatment, and exhibits nonspecific clinical signs (anaemia, loss of weight, abortion, and death), which are variable from one host and one place to another; however, its immunosuppressive effects interfering with intercurrent diseases or vaccination campaigns might be its most significant and questionable aspect.
Collapse
Affiliation(s)
- Marc Desquesnes
- Cirad-Bios, UMR-InterTryp, Montpellier 34000, France
- Faculty of Veterinary Medicine, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
| | | | - De-Hua Lai
- Center for Parasitic Organisms, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | | | - Zhao-Rong Lun
- Center for Parasitic Organisms, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
| | - Sathaporn Jittaplapong
- Faculty of Veterinary Medicine, Kasetsart University, Chatuchak, Bangkok 10900, Thailand
| |
Collapse
|
50
|
Pope RA, Parida S, Bailey D, Brownlie J, Barrett T, Banyard AC. Early events following experimental infection with Peste-Des-Petits ruminants virus suggest immune cell targeting. PLoS One 2013; 8:e55830. [PMID: 23418464 PMCID: PMC3572172 DOI: 10.1371/journal.pone.0055830] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2012] [Accepted: 01/02/2013] [Indexed: 11/23/2022] Open
Abstract
Peste-des-petits ruminants virus (PPRV) is a viral pathogen that causes a devastating plague of small ruminants. PPRV is an economically significant disease that continues to be a major obstacle to the development of sustainable agriculture across the developing world. The current understanding of PPRV pathogenesis has been heavily assumed from the closely related rinderpest virus (RPV) and other morbillivirus infections alongside data derived from field outbreaks. There have been few studies reported that have focused on the pathogenesis of PPRV and very little is known about the processes underlying the early stages of infection. In the present study, 15 goats were challenged by the intranasal route with a virulent PPRV isolate, Côte d'Ivoire '89 (CI/89) and sacrificed at strategically defined time-points post infection to enable pre- and post-mortem sampling. This approach enabled precise monitoring of the progress and distribution of virus throughout the infection from the time of challenge, through peak viraemia and into a period of convalescence. Observations were then related to findings of previous field studies and experimental models of PPRV to develop a clinical scoring system for PPRV. Importantly, histopathological investigations demonstrated that the initial site for virus replication is not within the epithelial cells of the respiratory mucosa, as has been previously reported, but is within the tonsillar tissue and lymph nodes draining the site of inoculation. We propose that virus is taken up by immune cells within the respiratory mucosa which then transport virus to lymphoid tissues where primary virus replication occurs, and from where virus enters circulation. Based on these findings we propose a novel clinical scoring methodology for PPRV pathogenesis and suggest a fundamental shift away from the conventional model of PPRV pathogenesis.
Collapse
Affiliation(s)
- Robert A. Pope
- The Pirbright Institute, Pirbright, Woking, Surrey, United Kingdom
- Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom
| | - Satya Parida
- The Pirbright Institute, Pirbright, Woking, Surrey, United Kingdom
| | - Dalan Bailey
- The Pirbright Institute, Pirbright, Woking, Surrey, United Kingdom
| | - Joe Brownlie
- Royal Veterinary College, Hatfield, Hertfordshire, United Kingdom
| | - Thomas Barrett
- The Pirbright Institute, Pirbright, Woking, Surrey, United Kingdom
| | | |
Collapse
|