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Medina JE, Castañeda S, Camargo M, Garcia-Corredor DJ, Muñoz M, Ramírez JD. Exploring viral diversity and metagenomics in livestock: insights into disease emergence and spillover risks in cattle. Vet Res Commun 2024:10.1007/s11259-024-10403-2. [PMID: 38865041 DOI: 10.1007/s11259-024-10403-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 05/01/2024] [Indexed: 06/13/2024]
Abstract
Cattle have a significant impact on human societies in terms of both economics and health. Viral infections pose a relevant problem as they directly or indirectly disrupt the balance within cattle populations. This has negative consequences at the economic level for producers and territories, and also jeopardizes human health through the transmission of zoonotic diseases that can escalate into outbreaks or pandemics. To establish prevention strategies and control measures at various levels (animal, farm, region, or global), it is crucial to identify the viral agents present in animals. Various techniques, including virus isolation, serological tests, and molecular techniques like PCR, are typically employed for this purpose. However, these techniques have two major drawbacks: they are ineffective for non-culturable viruses, and they only detect a small fraction of the viruses present. In contrast, metagenomics offers a promising approach by providing a comprehensive and unbiased analysis for detecting all viruses in a given sample. It has the potential to identify rare or novel infectious agents promptly and establish a baseline of healthy animals. Nevertheless, the routine application of viral metagenomics for epidemiological surveillance and diagnostics faces challenges related to socioeconomic variables, such as resource availability and space dedicated to metagenomics, as well as the lack of standardized protocols and resulting heterogeneity in presenting results. This review aims to provide an overview of the current knowledge and prospects for using viral metagenomics to detect and identify viruses in cattle raised for livestock, while discussing the epidemiological and clinical implications.
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Affiliation(s)
- Julián Esteban Medina
- Centro de Investigaciones en Microbiología y Biotecnología - UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Sergio Castañeda
- Centro de Investigaciones en Microbiología y Biotecnología - UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Milena Camargo
- Centro de Investigaciones en Microbiología y Biotecnología - UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
- Centro de Tecnología en Salud (CETESA), Innovaseq SAS, Mosquera, Cundinamarca, Colombia
| | - Diego J Garcia-Corredor
- Centro de Investigaciones en Microbiología y Biotecnología - UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
- Grupo de Investigación en Medicina Veterinaria y Zootecnia, Facultad de Ciencias Agropecuarias, Universidad Pedagógica y Tecnológica de Colombia, Tunja, Colombia
| | - Marina Muñoz
- Centro de Investigaciones en Microbiología y Biotecnología - UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología - UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, Colombia.
- Molecular Microbiology Laboratory, Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
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Keshipour H, Bahonar A, Vodjgani M, Anassori E. Effectiveness of training parturition and dystocia management on days open of dairy cows in traditional farming systems: a field trial. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2024; 15:139-144. [PMID: 38770379 PMCID: PMC11102587 DOI: 10.30466/vrf.2023.2007348.3945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 08/28/2023] [Indexed: 05/22/2024]
Abstract
The interval between parturition and subsequent pregnancy is called the days open or calving to conception interval and is affected by several factors, especially dystocia. Dystocia is an ab-normal or difficult calving that may require assistance during labor. This study is a field trial in health education and the research team developed a comprehensive training program for farmers to educate them about the normal process of parturition in dairy cows and when and how to assist in parturition or dystocia. A series of classes was held for farmers and the study covered 486 multi-parous dairy cows, with 173 belonging to the group of trained farms (educated farmers) and 313 to the control group (non-educated farmers). Although dystocia was lower in the educated group, there were no significant differences in retained placenta between two groups. However, cows in the educated group had a better conception rate (lower service per conception) in sub-sequent parturitions. Hence, the median number of days open for cows from trained farmers was significantly lower than other farmers (85 days compared to 120 days, respectively). Based on Cox regression analysis, uterine prolapse, retained placenta, and dystocia could significantly impact subsequent pregnancies. Dystocia affects days open, and training on parturition and dystocia management can effectively reduce the numbers of days open in dairy cows.
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Affiliation(s)
- Hadi Keshipour
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran;
| | - Alireza Bahonar
- Department of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran;
| | - Mehdi Vodjgani
- Department of Theriogenology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran;
| | - Ehsan Anassori
- Department of Internal Medicine and Clinical Pathology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
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3
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Zhang Z, Huang J, Li C, Zhao Z, Cui Y, Yuan X, Wang X, Liu Y, Zhou Y, Zhu Z. The gut microbiota contributes to the infection of bovine viral diarrhea virus in mice. J Virol 2024; 98:e0203523. [PMID: 38299844 PMCID: PMC10878277 DOI: 10.1128/jvi.02035-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 01/10/2024] [Indexed: 02/02/2024] Open
Abstract
Bovine viral diarrhea virus (BVDV) is prevalent worldwide and causes significant economic losses. Gut microbiota is a large microbial community and has a variety of biological functions. However, whether there is a correlation between gut microbiota and BVDV infection and what kind of relation between them have not been reported. Here, we found that gut microbiota composition changed in normal mice after infecting with BVDV, but mainly the low abundance microbe was affected. Interestingly, BVDV infection significantly reduced the diversity of gut microbiota and changed its composition in gut microbiota-dysbiosis mice. Furthermore, compared with normal mice of BVDV infection, there were more viral loads in the duodenum, jejunum, spleen, and liver of the gut microbiota-dysbiosis mice. However, feces microbiota transplantation (FMT) reversed these effects. The data above indicated that the dysbiosis of gut microbiota was a key factor in the high infection rate of BVDV. It is found that the IFN-I signal was involved by investigating the underlying mechanisms. The inhibition of the proliferation and increase in the apoptosis of peripheral blood lymphocytes (PBL) were also observed. However, FMT treatment reversed these changes by regulating PI3K/Akt, ERK, and Caspase-9/Caspase-3 pathways. Furthermore, the involvement of butyrate in the pathogenesis of BVDV was also further confirmed. Our results showed for the first time that gut microbiota acts as a key endogenous defense mechanism against BVDV infection; moreover, targeting regulation of gut microbiota structure and abundance may serve as a new strategy to prevent and control the disease.IMPORTANCEWhether the high infection rate of BVDV is related to gut microbiota has not been reported. In addition, most studies on BVDV focus on in vitro experiments, which limits the study of its prevention and control strategy and its pathogenic mechanism. In this study, we successfully confirmed the causal relationship between gut microbiota and BVDV infection as well as the potential molecular mechanism based on a mouse model of BVDV infection and a mouse model of gut microbiota dysbiosis. Meanwhile, a mouse model which is more susceptible to BVDV provided in this study lays an important foundation for further research on prevention and control strategy of BVDV and its pathogenesis. In addition, the antiviral effect of butyrate, the metabolites of butyrate-producing bacteria, has been further revealed. Overall, our findings provide a promising prevention and control strategy to treat this infectious disease which is distributed worldwide.
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Affiliation(s)
- Zecai Zhang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
- Engineering Research Center for Prevention and Control of Cattle Diseases, Heilongjiang Province, Daqing, China
- Heilongjiang Province Cultivating Collaborative Innovation Center for The Beidahuang Modern Agricultural Industry Technology, Daqing, China
| | - Jiang Huang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Agriculture and Rural Bureau of Sinan County, Sinan County, Guizhou, China
- Animal Health Supervision Institute of Sinan County, Sinan County, Guizhou, China
| | - Chuang Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
| | - Zhicheng Zhao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
| | - Yueqi Cui
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
| | - Xueying Yuan
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
| | - Xue Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
| | - Yu Liu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
- Engineering Research Center for Prevention and Control of Cattle Diseases, Heilongjiang Province, Daqing, China
- Heilongjiang Province Cultivating Collaborative Innovation Center for The Beidahuang Modern Agricultural Industry Technology, Daqing, China
| | - Yulong Zhou
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
- Engineering Research Center for Prevention and Control of Cattle Diseases, Heilongjiang Province, Daqing, China
- Heilongjiang Province Cultivating Collaborative Innovation Center for The Beidahuang Modern Agricultural Industry Technology, Daqing, China
| | - Zhanbo Zhu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing, China
- Key Laboratory of Bovine Disease Control in Northeast China, Ministry of Agriculture and Rural affairs, Daqing, China
- Engineering Research Center for Prevention and Control of Cattle Diseases, Heilongjiang Province, Daqing, China
- Heilongjiang Province Cultivating Collaborative Innovation Center for The Beidahuang Modern Agricultural Industry Technology, Daqing, China
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Park J, Lee W, Saadelin IM, Bang S, Lee S, Yi J, Cho J. Improved pregnancy rate and sex ratio in fresh/frozen in vivo derived embryo transfer of Hanwoo ( Bos taurus coreanae) cows. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2023; 65:779-791. [PMID: 37970502 PMCID: PMC10640948 DOI: 10.5187/jast.2023.e69] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 06/28/2023] [Accepted: 07/10/2023] [Indexed: 11/17/2023]
Abstract
This study aimed to assess the effects of embryonic developmental stage, quality grade, and fresh or frozen/thawed conditions on the pregnancy rate and sex ratio of live offspring in Hanwoo (Bos taurus coreanae) cows. The quality and developmental stage of in vivo-derived (IVD) transferred embryos were evaluated using the standard criteria of the International Embryo Technology Society. The recipient cows were synchronized using conventional (estradiol benzoate and progesterone) protocols before embryo transfer. Embryos were transferred to 297 cows, and pregnancy was monitored for 60-70 days after embryo transfer. The pregnancy rates of fresh and frozen/thawed embryos were 56.90% and 52.49%, respectively. Pregnancy rates varied according to embryo quality (56.18% for grade 1 vs. 36.67% for grade 2). Pregnancy rates also varied by developmental stage and cryopreservation (67.86% vs. 63.49% for stage 4-1, 64.00% vs. 54.72% for 5-1, and 50.00% vs. 47.83% for 6-1, in fresh embryos vs. frozen/thawed embryos, respectively). For stage 7-1, the pregnancy rates were 72.73% for fresh embryos and 20.00% for frozen/thawed embryos. In 66 fresh embryos, the sex ratio of live offspring was 5:5, whereas it was 4(female):6(male) for frozen/thawed embryos among the 95 frozen/thawed embryos. The miscarriage rate was approximately 3% higher for frozen/thawed embryos than for fresh embryos (18.1% for fresh vs. 21.1% for frozen). Seasonal fertility rates were 33.3% in spring, 55.67% in summer, 52.8% in autumn, 60.0% in winter. The following male-to-female ratios were observed in different seasons: 6.7:3.3 in spring, 4.0:6.0 in summer, 5.5:4.5 in autumn, and 3.3:6.7 in winter. The current data revealed no significant differences in pregnancy rates between fresh and frozen/thawed IVD embryos. However, there was a lower pregnancy rate with advanced-stage frozen/thawed embryos (stage 7-1). The current study provides comprehensive results for the better optimization of embryo transfer in Hanwoo cattle to obtain the desired fertility rate, pregnancy rate, and sex ratio of calves. These results provide important insights into the factors that influence the viability and success of IVD embryo transfer in Hanwoo cows and may have practical applications for improving breeding programs and reducing production costs.
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Affiliation(s)
- Jihyun Park
- College of Veterinary Medicine, Chungnam
National University, Daejeon 34134, Korea
| | | | - Islam M. Saadelin
- College of Veterinary Medicine, Chungnam
National University, Daejeon 34134, Korea
| | - Seonggyu Bang
- College of Veterinary Medicine, Chungnam
National University, Daejeon 34134, Korea
| | - Sanghoon Lee
- College of Veterinary Medicine, Chungnam
National University, Daejeon 34134, Korea
| | - Junkoo Yi
- School of Animal Life Convergence Science,
Hankyong National University, Anseong 17579, Korea
- Gyeonggi Regional Research Center,
Hankyong National University, Anseong 17579, Korea
| | - Jongki Cho
- College of Veterinary Medicine, Chungnam
National University, Daejeon 34134, Korea
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5
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Bhardwaj S, Singh S, Ganguly I, Bhatia AK, Dixit SP. Deciphering local adaptation of native Indian cattle ( Bos indicus) breeds using landscape genomics and in-silico prediction of deleterious SNP effects on protein structure and function. 3 Biotech 2023; 13:86. [PMID: 36816754 PMCID: PMC9931982 DOI: 10.1007/s13205-023-03493-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Accepted: 01/25/2023] [Indexed: 02/19/2023] Open
Abstract
India has 50 registered breeds of native cattle (Bos indicus) which are locally adapted to diverse environmental conditions. This study aimed to investigate the genomic basis of adaptation of native Indian cattle and to predict the impact of key SNPs on the amino acid changes that affect protein function. The Illumina 777 K BovineHD BeadChip was used to genotype 178 native cattle belonging to contrasting landscapes and agro-climatic conditions. The genotype-environment association was investigated with R. SamBada, using 5,74,382 QC passed SNPs and 11 predictor variables (10 multi-collinearity controlled environmental variables and 1 variable as "score of PCA" on ancestry coefficients of individuals). In total, 1,12,780 models were selected as significant (q < 0.05) based on G score. The pathway ontology of the annotated genes revealed many important pathways and genes having a direct and indirect role in cold and hot adaptation. Only ten SNP variants had a SIFT score of < 0.05 (deleterious), and only two of them, each lying in the genes CRYBA1 and USP18, were predicted to be deleterious with high confidence. RaptorX predicted the tertiary structures of proteins encoded by wild and mutant variants of these genes. The quality of the models was determined using Ramachandran plots and RaptorX parameters, indicating that they are accurate. RaptorX and I-Mutant 2.0 softwares revealed significant differences among wild and mutant proteins. Adaptive alleles identified in the present investigation might be responsible for the local adaptation of these cattle breeds. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-023-03493-3.
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Affiliation(s)
- Shivam Bhardwaj
- Animal Genetics and Breeding Division, ICAR-National Dairy Research Institute, Karnal, 132001 India
| | - Sanjeev Singh
- Animal Genetics Division, ICAR-National Bureau of Animal Genetic Resources, Karnal, Haryana 132001 India
| | - Indrajit Ganguly
- Animal Genetics Division, ICAR-National Bureau of Animal Genetic Resources, Karnal, Haryana 132001 India
| | - Avnish Kumar Bhatia
- Animal Genetics Division, ICAR-National Bureau of Animal Genetic Resources, Karnal, Haryana 132001 India
| | - S. P. Dixit
- Animal Genetics Division, ICAR-National Bureau of Animal Genetic Resources, Karnal, Haryana 132001 India
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Ortiz-Naveda NR, Guamán-Rivera SA, González-Marcillo RL, Guerrero-Pincay AE. Descriptive cross-sectional study on major bovine diseases and associated risk factors in north-eastern Ecuadorian Amazon. BRAZ J BIOL 2023; 83:e269508. [PMID: 36921193 DOI: 10.1590/1519-6984.269508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Accepted: 01/24/2023] [Indexed: 03/12/2023] Open
Abstract
Cattle raising is a crucial element of production systems in the tropics and subtropics. However, in recent years, global public health security has been threatened by disease emergence. In Orellana Province, livestock is the most important activity to generate economic income. Nevertheless, there is no available data about Animal Health status. With this objective, a study was performed to describe the major Bovine diseases recorded between 2011 to 2019, and the main Risk factors associated. Data on main Bovine diseases were retrieved from the World Animal Health Information System database. Whereas Bovine population data used to calculate the prevalence rates and confidence intervals were obtained from Ecuador's Ministry of Agriculture. By contrast, the Risk factors identified with an epidemiological questionnaire were applied to 300 livestock farmers. As a result, from 2011 to 2019 in Orellana has been confirmed: 90 cases of Infectious Bovine Rhinotracheitis (31.58%), Bovine Rabies by hematophagous bats (Desmodus rotundus), 83 cases (29.12%), Bovine viral diarrhea with 43 cases (15.10%), Brucellosis by Brucella abortus 35 cases, which was (12.28%), and 34 cases related to Enzootic bovine leukosis (11.92%). Overall, the prevalence rates ranged from (0.24 to 15.37%). In addition, farm size, presence of forest, herd, and paddock sizes, cutting frequency of forages, and other animal species were involved as Risk factors (OR = 3.15 to 11.75; 95% CI, 0.01 to 0.69). In conclusion, there are animal diseases with reproductive and neurologic symptomology and high-Risk factors implicated in the transmission. Consequently, space-temporal and seroprevalence epidemiological studies should be performed in Orellana.
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Affiliation(s)
- N R Ortiz-Naveda
- Escuela Superior Politécnica de Chimborazo, Grupo de Investigación Causana Yachay, Sede Orellana, El Coca, Ecuador.,Escuela Superior Politécnica de Chimborazo, Sede Orellana, El Coca, Ecuador
| | - S A Guamán-Rivera
- Escuela Superior Politécnica de Chimborazo, Grupo de Investigación Causana Yachay, Sede Orellana, El Coca, Ecuador.,Escuela Superior Politécnica de Chimborazo, Sede Orellana, El Coca, Ecuador
| | - R L González-Marcillo
- Escuela Superior Politécnica de Chimborazo, Grupo de Investigación Causana Yachay, Sede Orellana, El Coca, Ecuador.,Escuela Superior Politécnica de Chimborazo, Sede Orellana, El Coca, Ecuador
| | - A E Guerrero-Pincay
- Escuela Superior Politécnica de Chimborazo, Grupo de Investigación Causana Yachay, Sede Orellana, El Coca, Ecuador.,Escuela Superior Politécnica de Chimborazo, Sede Orellana, El Coca, Ecuador
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Huang Z, Chen Y, Yang C, Ma B, Guo S, Zhang J, Chen N, Umar T, Yin B, Deng G. Enhanced expression of miR-26a ameliorates lipopolysaccharide-induced endometritis by targeting MAP3K8 to inactivate MAPK signaling pathway. J Reprod Immunol 2022; 154:103751. [PMID: 36252394 DOI: 10.1016/j.jri.2022.103751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/08/2022] [Accepted: 09/16/2022] [Indexed: 12/14/2022]
Abstract
Endometritis is a severe postpartum inflammatory disease that puts cows' reproductive health at risk and causes the dairy industry to suffer significant financial losses. The present study aimed to investigate the regulatory role of miR‑26a in LPS‑induced bovine endometrial epithelial cells (bEECs) and the implication for endometritis. Here, we found inflammatory cell infiltration and destruction of endometrial structure in cow uterus, and dramatic increase in myeloperoxidase (MPO) activity and upregulation of pro-inflammatory cytokines (IL-1β, TNF-α, and IL-6) in endometritis. Meanwhile, miR-26a was down-regulated, but MAP3K8 was increased in the uterine tissue of endometritis. Similarly, the expression of miR-26a was significantly decreased in LPS-stimulated bEECs, while MAP3K8 was risen. In addition, we further verified that MAP3K8 was a target of miR-26a by dual-luciferase reporter assay. Under LPS stress, over-expressing miR-26a markedly decreased MAP3K8 expression levels, along with the reduced expression of inflammatory factors, such as IL-1β, TNF-α and IL-6, whereas this effect was countered by the inhibition of miR-26a. Furthermore, we demonstrated that miR-26a overexpression prevented the MAPK pathway from being activated by targeting MAP3K8. Then we carried out experiments in LPS-stimulated mice uterus to expound that MAP3K8 was essential in endometritis development, which further confirmed the reliability of the above results. In conclusion, overexpression of miR-26a effectively inhibited the expression of MAP3K8 in LPS-induced bEECs and thereby partially suppressed the activation of MAPK signaling pathway. miR-26a and MAP3K8 may be a promising biomarker and therapeutic target for dairy cow endometritis.
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Affiliation(s)
- Zhi Huang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Yu Chen
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Cheng Yang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Bin Ma
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Shuai Guo
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Jinxin Zhang
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Nuoer Chen
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Talha Umar
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Baoyi Yin
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China
| | - Ganzhen Deng
- Department of Clinical Veterinary Medicine, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, People's Republic of China.
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Aras Z, Yavuz O. Evaluation of fetal heart serum amyloid a concentrations in infectious cattle abortion cases. Heliyon 2022; 8:e11330. [DOI: 10.1016/j.heliyon.2022.e11330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 06/29/2022] [Accepted: 10/24/2022] [Indexed: 11/09/2022] Open
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9
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Cantón GJ, Uriarte ELL, Moore DP. Editorial: Diseases affecting reproduction and the neonatal period in ruminants, Volume II. Front Vet Sci 2022; 9:1025209. [PMID: 36213419 PMCID: PMC9536490 DOI: 10.3389/fvets.2022.1025209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 11/24/2022] Open
Affiliation(s)
- Germán J. Cantón
- Animal Production Department, Institute of Innovation for Agricultural Production and Sustainable Development (IIPADS), Balcarce, Argentina
- *Correspondence: Germán J. Cantón
| | - Enrique L. Louge Uriarte
- Animal Production Department, Institute of Innovation for Agricultural Production and Sustainable Development (IIPADS), Balcarce, Argentina
| | - Dadín P. Moore
- Animal Production Department, Institute of Innovation for Agricultural Production and Sustainable Development (IIPADS), Balcarce, Argentina
- Faculty of Agricultural Sciences, National University of Mar del Plata, Mar del Plata, Argentina
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10
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Cantón GJ, Moreno F, Fiorentino MA, Hecker YP, Spetter M, Fiorani F, Monterubbianesi MG, García JA, Altamiranda EG, Cirone KM, Louge Uriarte EL, Verna AE, Marin M, Cheuquepán F, Malena R, Morsella C, Paolicchi FA, Morrell EL, Moore DP. Spatial-temporal trends and economic losses associated with bovine abortifacients in central Argentina. Trop Anim Health Prod 2022; 54:242. [PMID: 35907064 DOI: 10.1007/s11250-022-03237-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Accepted: 07/13/2022] [Indexed: 11/24/2022]
Abstract
The aims of this work are, firstly, to provide the geolocalization of cases of bovine abortion with definitive diagnosis and, secondly, to estimate the economic losses due to the most frequent abortifacients diagnosed agents in cattle in Buenos Aires province, Argentina. The total beef and dairy cattle population at risk of abortion is 8,358,186 and 538,076, respectively. In beef cattle, the overall risk of abortion was estimated at 4.5% for all pregnancies, where 27.9% are due to Campylobacter fetus, Neospora caninum, Leptospira spp., Brucella abortus, and bovine viral diarrhea virus with economic losses of US$ 440 per abortion, being the annual loss to the beef industry of US$ 50,144,101. In dairy cattle, there was an 8.0% risk of suffering abortion, 26.1% produced by the same abortigenic agents. The economic losses were estimated at US$ 1,415 per abortion, which equals a total loss of US$ 17,298,498 for the dairy industry in the region. The results of this study show that infectious causes are highly prevalent in Buenos Aires province, and they caused severe economic impacts in the dairy and beef industries. Furthermore, changes in temporal trends of infectious abortion occurrence were detected, probably related to the inclusion of molecular diagnostic techniques with more sensitivity or different epidemiological or husbandry conditions in the region analyzed.
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Affiliation(s)
- Germán J Cantón
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina.
| | - Fabiana Moreno
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - María A Fiorentino
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina.,Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, Argentina
| | - Yanina P Hecker
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Maximiliano Spetter
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Franco Fiorani
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina.,Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, Argentina
| | - María G Monterubbianesi
- Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, Argentina
| | - Juan A García
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Erika González Altamiranda
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Karina M Cirone
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina.,Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, Argentina
| | - Enrique L Louge Uriarte
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Andrea E Verna
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Maia Marin
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Felipe Cheuquepán
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Rosana Malena
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Claudia Morsella
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Fernando A Paolicchi
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina.,Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, Argentina
| | - Eleonora L Morrell
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina
| | - Dadin P Moore
- Instituto de Innovación para la Producción Agropecuaria y el Desarrollo Sostenible (IPADS Balcarce), INTA-CONICET, 7620, Balcarce, Argentina.,Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 7620, Balcarce, Argentina
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11
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Serodiagnosis and Risk Factors Associated with Infectious Agents of Reproductive Diseases in Bovines of Chiquinquirá, District of Boyacá (Colombia). Vet Med Int 2022; 2022:7436651. [PMID: 35880197 PMCID: PMC9308552 DOI: 10.1155/2022/7436651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/08/2022] [Accepted: 07/01/2022] [Indexed: 11/17/2022] Open
Abstract
The productivity of cattle farms is affected by infectious and noninfectious factors that generate economic losses and cause reproductive failure represented by low conception rates, embryonic mortality, abortions, and fetal mummification. The infectious agents that most impact the reproductive health of the bovine species from conception to birth are bovine herpesvirus type 1 (BoHV-1) causing infectious bovine rhinotracheitis (IBR), bovine viral diarrhea virus (BVDV), bovine parainfluenza virus type 3 (PI3), Neospora caninum and Leptospira spp. The objective of this study was to diagnose the presence of BoHV-1, bovine viral diarrhea (BVD), PI3, Neospora caninum, and Leptospira spp. by serology and identify the risk factors associated with infectious agents of reproductive interest in bovines of Boyacá (Colombia). A descriptive cross-sectional study was developed, with simple random sampling, where a sample size of 601 female cattle of Holstein, Jersey, and Normande breeds of different age groups was determined. Blood samples were taken and processed using the indirect ELISA technique (SYNBIOTICS®, SERELISA® BVD p80 Ab Mono Blocking, Ingezim R.12.NC.K, PRIMACHECK VPI-3®) and the MAT test for the diagnosis of bovine leptospirosis. The data were processed with the statistical program Epi Info™. The highest apparent seroprevalence was established for infectious bovine rhinotracheitis (61.1%), followed by BVD (37.6%), PI3 (40.9%), neosporosis (51.1%), and leptospirosis (14.8%). Variables such as age >4 years and Holstein breed for IBR and >4 years for BVD were established risk factors. Considering our results, we suggest implementing prevention and control plans that include vaccination as a prophylactic measure and biosecurity tools that reduce the probability of contagion and transmission of pathogens.
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12
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Redirecting Imipramine against Bluetongue Virus Infection: Insights from a Genome-wide Haploid Screening Study. Pathogens 2022; 11:pathogens11050602. [PMID: 35631123 PMCID: PMC9144988 DOI: 10.3390/pathogens11050602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 05/12/2022] [Accepted: 05/14/2022] [Indexed: 02/04/2023] Open
Abstract
Bluetongue virus (BTV), an arbovirus of ruminants, is a causative agent of numerous epidemics around the world. Due to the emergence of novel reassortant BTV strains and new outbreaks, there is an unmet need for efficacious antivirals. In this study, we used an improved haploid screening platform to identify the relevant host factors for BTV infection. Our screening tool identified and validated the host factor Niemann–Pick C1 (NPC1), a lysosomal membrane protein that is involved in lysosomal cholesterol transport, as a critical factor in BTV infection. This finding prompted us to investigate the possibility of testing imipramine, an antidepressant drug known to inhibit NPC1 function by interfering with intracellular cholesterol trafficking. In this study, we evaluated the sensitivity of BTV to imipramine using in vitro assays. Our results demonstrate that imipramine pretreatment inhibited in vitro replication and progeny release of BTV-4, BTV-8, and BTV-16. Collectively, our findings highlight the importance of NPC1 for BTV infection and recommend the reprofiling of imipramine as a potential antiviral drug against BTV.
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13
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Tsai MS, Newman C, Macdonald DW, Buesching CD. Adverse weather during in utero development is linked to higher rates of later-life herpesvirus reactivation in adult European badgers, Meles meles. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211749. [PMID: 35582658 PMCID: PMC9091846 DOI: 10.1098/rsos.211749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 04/12/2022] [Indexed: 05/03/2023]
Abstract
Maternal immune and/or metabolic conditions relating to stress or nutritional status can affect in utero development among offspring with subsequent implications for later-life responses to infections. We used free-ranging European badgers as a host-pathogen model to investigate how prenatal weather conditions affect later-life herpesvirus genital tract reactivation. We applied a sliding window analysis of weather conditions to 164 samples collected in 2018 from 95 individuals born between 2005-2016. We test if the monthly mean and variation in rainfall and temperature experienced by their mother during the 12 months of delayed implantation and gestation prior to parturition subsequently affected individual herpes reactivation rates among these offspring. We identified four influential prenatal seasonal weather windows that corresponded with previously identified critical climatic conditions affecting badger survival, fecundity and body condition. These all occurred during the pre-implantation rather than the post-implantation period. We conclude that environmental cues during the in utero period of delayed implantation may result in changes that affect an individual's developmental programming against infection or viral reactivation later in life. This illustrates how prenatal adversity caused by environmental factors, such as climate change, can impact wildlife health and population dynamics-an interaction largely overlooked in wildlife management and conservation programmes.
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Affiliation(s)
- Ming-shan Tsai
- Department of Zoology, Wildlife Conservation Research Unit, University of Oxford, Recanati-Kaplan Centre, Abingdon Road, Tubney House, Tubney, Oxfordshire OX13 5QL, UK
| | - Chris Newman
- Department of Zoology, Wildlife Conservation Research Unit, University of Oxford, Recanati-Kaplan Centre, Abingdon Road, Tubney House, Tubney, Oxfordshire OX13 5QL, UK
- Cook's Lake Farming Forestry and Wildlife Inc (Ecological Consultancy), Queens County, Nova Scotia, Canada
| | - David W. Macdonald
- Department of Zoology, Wildlife Conservation Research Unit, University of Oxford, Recanati-Kaplan Centre, Abingdon Road, Tubney House, Tubney, Oxfordshire OX13 5QL, UK
| | - Christina D. Buesching
- Cook's Lake Farming Forestry and Wildlife Inc (Ecological Consultancy), Queens County, Nova Scotia, Canada
- Department of Biology, Irving K. Barber Faculty of Science, The University of British Columbia, Okanagan, Kelowna, British Columbia, Canada
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14
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Poly(I:C) exposure during in vitro fertilization disrupts first cleavage of mouse embryos and subsequent blastocyst development. J Reprod Immunol 2022; 151:103635. [DOI: 10.1016/j.jri.2022.103635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/19/2022] [Accepted: 04/27/2022] [Indexed: 11/18/2022]
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15
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Aragaw K, Regassa F, Sibhat B, Abayneh T, Gelaye E, Deresse G, Egan S, Asmare K. Seroprevalence and association of bovine viral diarrhea virus (BVDV) serostatus with reproductive problems in dairy cattle in central and southern Ethiopia. Trop Anim Health Prod 2021; 53:471. [PMID: 34550482 DOI: 10.1007/s11250-021-02904-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 09/10/2021] [Indexed: 11/27/2022]
Abstract
Bovine viral diarrhea (BVD) is an economically important cattle disease with worldwide distribution and characterized mainly by suboptimal fertility in the affected herds. The objectives of this study were to estimate the seroprevalence of BVDV within dairy cattle, to identify potential risk factors, and to assess the association with occurrence of reproductive problems. Sera (n = 954) collected from dairy cattle from 98 herds in southern and central Ethiopia were tested for BVDV antibodies using a commercial ELISA. Among screened sera samples, 20.9% (95% CI, 18.4, 23.6) tested positive to BVDV antibodies. The herd prevalence was 50% (95% CI, 40.1, 59.9) and the intra-herd prevalence ranged between 2.6 and 100% (mean = 31.4%) in positive herds. Geographic region, herd size, and animal arrangement in the farm had significant association with serostatus (p < 0.05). Cattle from southern Ethiopia and herds of large size had 2.8 (95% CI, 1.9, 4.2) and 2.6 (95% CI, 1.5, 4.6) times higher odds of being seropositive compared to their counterparts, respectively. Serostatus to BVDV was associated with history of anestrus, repeat breeding (RB), mastitis, and extended calving interval (CI) (p < 0.05). Animals with history of extended CI and mastitis were 1.7 (95% CI, 1.0, 2.7) and 2.2 (95% CI, 1.5, 3.2) times more likely to be seropositive compared with those with normal CI and no history of mastitis, respectively. On the other hand, animals with history of anestrus and RB were less likely to be seropositive to BVDV compared to cattle with no such history. Sera from 26 selected cattle were also examined using reverse transcription (RT)-PCR for detection of BVDV RNA; however, all samples tested were negative for the presence of BVDV nucleic acid. Our study highlights the variation in BVDV status within Ethiopian dairy herds, and association with some important reproductive performance traits and potential risk factors.
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Affiliation(s)
- Kassaye Aragaw
- Faculty of Veterinary Medicine, Hawassa University, P.O. Box 05, Hawassa, Ethiopia.
| | - Fekadu Regassa
- College of Veterinary Medicine and Agriculture, Addis Ababa University, P.O. Box 34, Bishoftu, Ethiopia
| | - Berhanu Sibhat
- College of Veterinary Medicine, Haramaya University, P.O. Box 138, Dire Dawa, Ethiopia
| | - Takele Abayneh
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
| | - Esayas Gelaye
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
| | - Getaw Deresse
- National Veterinary Institute, P.O. Box 19, Bishoftu, Ethiopia
| | - Sharon Egan
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, UK
| | - Kassahun Asmare
- Faculty of Veterinary Medicine, Hawassa University, P.O. Box 05, Hawassa, Ethiopia
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16
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Moore DP, Cantón GJ, Louge Uriarte EL. Editorial: Infectious Diseases Affecting Reproduction and the Neonatal Period in Cattle. Front Vet Sci 2021; 8:679007. [PMID: 33969046 PMCID: PMC8100021 DOI: 10.3389/fvets.2021.679007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 03/22/2021] [Indexed: 11/23/2022] Open
Affiliation(s)
- Dadín P Moore
- Animal Production Department, Institute of Innovation for Agricultural Production and Sustainable Development (IIPADS), Balcarce, Argentina.,Faculty of Agricultural Sciences, National University of Mar del Plata, Mar del Plata, Argentina
| | - Germán J Cantón
- Animal Production Department, National Institute of Agricultural Technology (INTA), Balcarce, Argentina
| | - Enrique L Louge Uriarte
- Animal Production Department, National Institute of Agricultural Technology (INTA), Balcarce, Argentina
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17
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Schabmeyer ST, Kneidl AM, Schneider JK, Kirsch S, Zablotski Y, Petzl W, Weber F, Zerbe H, Meyerholz MM. Concentration-Dependent Type 1 Interferon-Induced Regulation of MX1 and FABP3 in Bovine Endometrial Explants. Animals (Basel) 2021; 11:262. [PMID: 33494350 PMCID: PMC7912598 DOI: 10.3390/ani11020262] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2020] [Revised: 01/13/2021] [Accepted: 01/19/2021] [Indexed: 01/22/2023] Open
Abstract
The inadequate maternal recognition of embryonic interferon τ (IFNτ) might explain subfertility in cattle. This study aimed at modeling the inducibility of type 1 interferon receptor subunits 1/2 (IFNAR1/2), mimicking competition between IFNτ and infection-associated interferon α (IFNα), and simulating type 1 interferon pathways in vitro. Endometrial explants (n = 728 from n = 26 healthy uteri) were collected at the abattoir, challenged with IFNτ and/or IFNα in different concentrations, and incubated for 24 h. Gene expression analysis confirmed the inducibility of IFNAR1/2 within this model, it being most prominent in IFNAR2 with 10 ng/mL IFNα (p = 0.001). The upregulation of interferon-induced GTP-binding protein (MX1, classical pathway) was higher in explants treated with 300 ng/mL compared to 10 ng/mL IFNτ (p < 0.0001), whereas the non‑classical candidate fatty acid binding protein 3 (FABP3) exhibited significant downregulation comparing 300 ng/mL to 10 ng/mL IFNτ. The comparison of explants challenged with IFNτ + IFNα indicated the competition of IFNτ and IFNα downstream of the regulatory factors. In conclusion, using this well-defined explant model, interactions between infection-associated signals and IFNτ were indicated. This model can be applied to verify these findings and to mimic and explore the embryo-maternal contact zone in more detail.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Marie Margarete Meyerholz
- Clinic for Ruminants with Ambulatory and Herd Health Services, Centre for Clinical Veterinary Medicine Ludwig Maximilians University Munich, 85764 Oberschleissheim, Germany; (S.T.S.); (A.M.K.); (J.K.S.); (S.K.); (Y.Z.); (W.P.); (F.W.); (H.Z.)
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18
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Cheng Z, Brown LE, Wathes DC. Bovine Viral Diarrhoea Virus Infection Disrupts Uterine Interferon Stimulated Gene Regulatory Pathways During Pregnancy Recognition in Cows. Viruses 2019; 12:E1. [PMID: 31861316 PMCID: PMC7020065 DOI: 10.3390/v12010001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 12/09/2019] [Accepted: 12/16/2019] [Indexed: 02/07/2023] Open
Abstract
In cattle, conceptus-derived interferon tau (IFNT) is the pregnancy recognition (PR) signal. Our previous studies showed that non-cytopathic bovine viral diarrhoea virus (ncpBVDV) infection inhibited IFNT-induced interferon stimulated gene (ISG) expression, potentially causing early embryonic death. This study investigated the effect of bovine viral diarrhoea virus (BVDV) infection on upstream regulatory pathways of ISG production using an established PR model. Uterine endometrial cells from 10 apparently healthy and BVDV free cows were cultured and treated with 0 or 100 ng/mL IFNT for 24 h in the presence or absence of ncpBVDV infection. Microarray and pathway analysis were used to determine the IFNT-induced upstream regulators. Expression of the genes associated with the identified pathways were quantified with qPCR. IFNT challenge activated the signalling pathways associated with IFN receptors, JAK1/TYK2, IRFs and STATs and ncpBVDV infection inhibited the activation of IFNT on this pathway. Inhibition of this upstream signalling pathway may thus reduce ISG production to disrupt maternal PR. In addition, the reduction of uterine immunity by ncpBVDV infection may predispose the animals to uterine infection, which in turn impairs their reproductive performance. This provides a mechanism of how BVDV infection leads to early pregnancy failure in cows.
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Affiliation(s)
- Zhangrui Cheng
- Department of Pathobiology and Population Sciences, Royal Veterinary College, Hawkshead Lane, Hatfield AL9 7TA, UK; (L.E.B.); (D.C.W.)
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