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Kappari L, Dasireddy JR, Applegate TJ, Selvaraj RK, Shanmugasundaram R. MicroRNAs: exploring their role in farm animal disease and mycotoxin challenges. Front Vet Sci 2024; 11:1372961. [PMID: 38803799 PMCID: PMC11129562 DOI: 10.3389/fvets.2024.1372961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 04/04/2024] [Indexed: 05/29/2024] Open
Abstract
MicroRNAs (miRNAs) serve as key regulators in gene expression and play a crucial role in immune responses, holding a significant promise for diagnosing and managing diseases in farm animals. This review article summarizes current research on the role of miRNAs in various farm animal diseases and mycotoxicosis, highlighting their potential as biomarkers and using them for mitigation strategies. Through an extensive literature review, we focused on the impact of miRNAs in the pathogenesis of several farm animal diseases, including viral and bacterial infections and mycotoxicosis. They regulate gene expression by inducing mRNA deadenylation, decay, or translational inhibition, significantly impacting cellular processes and protein synthesis. The research revealed specific miRNAs associated with the diseases; for instance, gga-miR-M4 is crucial in Marek's disease, and gga-miR-375 tumor-suppressing function in Avian Leukosis. In swine disease such as Porcine Respiratory and Reproductive Syndrome (PRRS) and swine influenza, miRNAs like miR-155 and miR-21-3p emerged as key regulatory factors. Additionally, our review highlighted the interaction between miRNAs and mycotoxins, suggesting miRNAs can be used as a biomarker for mycotoxin exposure. For example, alterations in miRNA expression, such as the dysregulation observed in response to Aflatoxin B1 (AFB1) in chickens, may indicate potential mechanisms for toxin-induced changes in lipid metabolism leading to liver damage. Our findings highlight miRNAs potential for early disease detection and intervention in farm animal disease management, potentially reducing significant economic losses in agriculture. With only a fraction of miRNAs functionally characterized in farm animals, this review underlines more focused research on specific miRNAs altered in distinct diseases, using advanced technologies like CRISPR-Cas9 screening, single-cell sequencing, and integrated multi-omics approaches. Identifying specific miRNA targets offers a novel pathway for early disease detection and the development of mitigation strategies against mycotoxin exposure in farm animals.
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Affiliation(s)
- Laharika Kappari
- Department of Poultry Science, The University of Georgia, Athens, GA, United States
| | | | - Todd J. Applegate
- Department of Poultry Science, The University of Georgia, Athens, GA, United States
| | - Ramesh K. Selvaraj
- Department of Poultry Science, The University of Georgia, Athens, GA, United States
| | - Revathi Shanmugasundaram
- Toxicology and Mycotoxin Research Unit, U.S. National Poultry Research Center, Agricultural Research Service, U.S. Department of Agriculture, Athens, GA, United States
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Vann K, Weidner AE, Walczyk AC, Astapova O. Paxillin knockout in mouse granulosa cells increases fecundity†. Biol Reprod 2023; 109:669-683. [PMID: 37552051 PMCID: PMC10651069 DOI: 10.1093/biolre/ioad093] [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: 01/23/2023] [Revised: 05/29/2023] [Accepted: 08/02/2023] [Indexed: 08/09/2023] Open
Abstract
Paxillin is an intracellular adaptor protein involved in focal adhesions, cell response to stress, steroid signaling, and apoptosis in reproductive tissues. To investigate the role of paxillin in granulosa cells, we created a granulosa-specific paxillin knockout mouse model using Cre recombinase driven by the Anti-Müllerian hormone receptor 2 gene promoter. Female granulosa-specific paxillin knockout mice demonstrated increased fertility in later reproductive age, resulting in higher number of offspring when bred continuously up to 26 weeks of age. This was not due to increased numbers of estrous cycles, ovulated oocytes per cycle, or pups per litter, but this was due to shorter time to pregnancy and increased number of litters in the granulosa-specific paxillin knockout mice. The number of ovarian follicles was not significantly affected by the knockout at 30 weeks of age. Granulosa-specific paxillin knockout mice had slightly altered estrous cycles but no difference in circulating reproductive hormone levels. Knockout of paxillin using clustered regularly interspaced short palindromic repeat-associated protein 9 (CRISPR-Cas9) in human granulosa-derived immortalized KGN cells did not affect cell proliferation or migration. However, in cultured primary mouse granulosa cells, paxillin knockout reduced cell death under basal culture conditions. We conclude that paxillin knockout in granulosa cells increases female fecundity in older reproductive age mice, possibly by reducing granulosa cell death. This study implicates paxillin and its signaling network as potential granulosa cell targets in the management of age-related subfertility.
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Affiliation(s)
- Kenji Vann
- Division of Endocrinology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Adelaide E Weidner
- Division of Endocrinology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Ariana C Walczyk
- Division of Endocrinology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Olga Astapova
- Division of Endocrinology, Department of Medicine, University of Rochester Medical Center, Rochester, NY, USA
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Wang JY, Zhang FL, Li XX, Zhu KX, Zuo N, Wang JJ, Shen W, Li L. Cyanidin-3- O-glucoside Mitigates the Ovarian Defect Induced by Zearalenone via p53-GADD45a Signaling during Primordial Follicle Assembly. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023; 71:16715-16726. [PMID: 37889105 DOI: 10.1021/acs.jafc.3c03315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Zearalenone (ZEN) is well known as a kind of endocrine disruptor whose exposure is capable of causing reproductive toxicity in animals. Cyanidin-3-O-glucoside (C3G) is a derivative of cyanidin and owns multiple biofunctions, and prior efforts have suggested that C3G has therapeutic actions for reproductive diseases. In this article, a ZEN exposure model during primordial follicle assembly was constructed using the in vitro culture platform of neonatal mouse ovaries. We investigated the protective effect of C3G on ZEN-induced ovarian toxicity during primordial follicle assembly in mice, as well as its potential mechanism. Interestingly, we observed that C3G could effectively protect the ovary from ZEN damage, mainly by restoring primordial follicle assembly, which upregulated the expression of LHX8 and SOHLH1 proteins and relieved ZEN-induced DNA damage. Next, to explore the mechanism by which C3G rescued ZEN-induced injury, we performed RNA sequencing (RNA-seq). The bioinformatic analysis illustrated that the rescue pathway of C3G was associated with p53-Gadd45a signaling and cell cycle. Then, western blotting and flow cytometry results revealed that C3G restored the expression levels of cyclin-dependent kinase 6 (CDK6) and cyclin D2 (CCND2) and regulated the ovarian cell cycle to normal. In conclusion, our findings manifested that C3G could alleviate ZEN-induced primordial follicle assembly impairment by restoring the cell cycle involved in p53-GADD45a signaling.
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Affiliation(s)
- Jing-Ya Wang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Fa-Li Zhang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, China
| | - Xiu-Xiu Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, China
| | - Ke-Xin Zhu
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Ning Zuo
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Jun-Jie Wang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Lan Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
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Li X, Zhang F, Wang J, Feng Y, Zhang S, Li L, Tan J, Shen W. LncRNA profiles of Cyanidin-3-O-glucoside ameliorated Zearalenone-induced damage in porcine granulosa cells. Gene 2023; 884:147693. [PMID: 37549855 DOI: 10.1016/j.gene.2023.147693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 07/20/2023] [Accepted: 08/04/2023] [Indexed: 08/09/2023]
Abstract
Long non-coding RNA (lncRNA), a class of RNA molecules with transcripts longer than 200 nt, is crucial for maintaining animal reproductive function. Zearalenone (ZEN) damaged animal reproduction by targeting ovarian granulosa cells (GCs), especially in pigs. Nonetheless, it is not quite clear that whether Cyanidin-3-O-glucoside (C3G) exert effects on porcine GCs (pGCs) after ZEN exposure by altering lncRNA expression. Here, we sought to gain novel information regarding C3G protect against damages induced by ZEN in pGCs. The pGCs were divided into control (Ctrl), ZEN, ZEN + C3G (Z + C), and C3G groups. Results revealed that C3G effectively increased cell viability and suppressed ZEN-induced apoptosis in pGCs. 87 and 82 differentially expressed lncRNAs (DELs) were identified in ZEN vs. Ctrl and Z + C vs. ZEN group, respectively. Gene Ontology (GO) analysis observed that the DELs were related to cell metabolism and cell-matrix adhesion biological processes. The Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis found that the DELs were associated with the phosphatidylinositide 3-kinases (PI3K)-protein kinase B (AKT) signaling pathway. In brief, we demonstrated that C3G could shield apoptosis induced by ZEN, which may be connected with the changes of lncRNA expression profiles in pGCs. This study complemented our understanding of the genetic basis and molecular mechanisms by which C3G mitigated the toxicity of ZEN in pGCs.
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Affiliation(s)
- Xiuxiu Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China; College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, China
| | - Fali Zhang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China; College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, China
| | - Jingya Wang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Yanqin Feng
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Shuer Zhang
- Animal Husbandry General Station of Shandong Province, Jinan 250010, China
| | - Lan Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Jinghe Tan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai'an 271018, China
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China.
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Li L, He Z, Shi Y, Sun H, Yuan B, Cai J, Chen J, Long M. Role of epigenetics in mycotoxin toxicity: a review. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2023; 100:104154. [PMID: 37209890 DOI: 10.1016/j.etap.2023.104154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 04/25/2023] [Accepted: 05/17/2023] [Indexed: 05/22/2023]
Abstract
Mycotoxins can induce cell cycle disorders, cell proliferation, oxidative stress, and apoptosis through pathways such as those associated with MAPK, JAK2/STAT3, and Bcl-w/caspase-3, and cause reproductive toxicity, immunotoxicity, and genotoxicity. Previous studies have explored the toxicity mechanism of mycotoxins from the levels of DNA, RNA, and proteins, and proved that mycotoxins have epigenetic toxicity. To explore the toxic effects and mechanisms of these changes in mycotoxins, this paper summarizes the changes in DNA methylation, non-coding RNA, RNA and histone modification induced by several common mycotoxins (zearalenone, aflatoxin B1, ochratoxin A, deoxynivalenol, T-2 toxin, etc.) based on epigenetic studies. In addition, the roles of mycotoxin-induced epigenetic toxicity in germ cell maturation, embryonic development, and carcinogenesis are highlighted. In summary, this review provides theoretical support for a better understanding of the regulatory mechanism of mycotoxin epigenotoxicity and the diagnosis and treatment of diseases.
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Affiliation(s)
- Liuliu Li
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
| | - Ziqi He
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
| | - Yang Shi
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
| | - Huiying Sun
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
| | - Bowei Yuan
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
| | - Jing Cai
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
| | - Jia Chen
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
| | - Miao Long
- Key Laboratory of Zoonosis of Liaoning Province, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China; Laboratory of Ruminant Infectious Disease Prevention and Control (East), Ministry of Agriculture and Rural Affairs, P.R. China.
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Li X, Wang J, Zhang F, Yu M, Zuo N, Li L, Tan J, Shen W. Cyanidin-3-O-Glucoside Rescues Zearalenone-Induced Apoptosis via the ITGA7-PI3K-AKT Signaling Pathway in Porcine Ovarian Granulosa Cells. Int J Mol Sci 2023; 24:ijms24054441. [PMID: 36901882 PMCID: PMC10002597 DOI: 10.3390/ijms24054441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 02/17/2023] [Accepted: 02/18/2023] [Indexed: 02/26/2023] Open
Abstract
Zearalenone (ZEN) is an important secondary metabolite of Fusarium fungi, exposure to which can cause reproductive disorders through its effects on ovarian granulosa cells (GCs) in many mammals, especially in pigs. This study aimed to investigate the protective effects of Cyanidin-3-O-glucoside (C3G) on the ZEN-induced negative effects in porcine GCs (pGCs). The pGCs were treated with 30 µM ZEN and/or 20 µM C3G for 24 h; they were divided into a control (Ctrl) group, ZEN group, ZEN+C3G (Z+C) group, and a C3G group. Bioinformatics analysis was used to systematically screen differentially expressed genes (DEGs) in the rescue process. Results showed that C3G could effectively rescue ZEN-induced apoptosis in pGCs, and notably increase cell viability and proliferation. Furthermore, 116 DEGs were identified, and the phosphatidylinositide 3-kinases-protein kinase B (PI3K-AKT) signaling pathway was the center of attention, of which five genes and the PI3K-AKT signaling pathway were confirmed by real-time quantitative PCR (qPCR) and/or Western blot (WB). As analyzed, ZEN inhibited mRNA and protein levels of integrin subunit alpha-7 (ITGA7), and promoted the expression of cell cycle inhibition kinase cyclin-D3 (CCND3) and cyclin-dependent kinase inhibitor 1 (CDKN1A). After the knock-down of ITGA7 by siRNA, the PI3K-AKT signaling pathway was significantly inhibited. Meanwhile, proliferating cell nuclear antigen (PCNA) expression decreased, and apoptosis rates and pro-apoptotic proteins increased. In conclusion, our study demonstrated that C3G exhibited significant protective effects on the ZEN-induced inhibition of proliferation and apoptosis via the ITGA7-PI3K-AKT pathway.
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Affiliation(s)
- Xiuxiu Li
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271018, China
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Jingya Wang
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Fali Zhang
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271018, China
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Mubin Yu
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Ning Zuo
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Lan Li
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Jinghe Tan
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271018, China
| | - Wei Shen
- College of Animal Science and Veterinary Medicine, Shandong Agricultural University, Tai’an 271018, China
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- Correspondence: ; Tel.: +86-0532-58957316
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Yan J, Kong L, Zhang X, Yu M, Zhu K, Zhao A, Shi D, Sun Y, Wang J, Shen W, Li L. Maternal Zearalenone Exposure Affects Gut Microbiota and Follicular Development in Suckled Offspring. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:15570-15582. [PMID: 36514903 DOI: 10.1021/acs.jafc.2c06457] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Zearalenone (ZEN) is a mycotoxin that is widely present in feed and agricultural products. Studies have demonstrated that ZEN, as a type of estrogen analogue, can significantly affect the female reproductive system. Breast milk is the best nutrient for infant growth and development, but it is still unknown whether ZEN influences the fertility of offspring through suckling. In this study, we collected fecal and ovarian tissue from neonatal female offspring, whose mothers were exposed to ZEN for 21 days, and explored the effects of maternal ZEN exposure on intestinal microecology and follicular development in the mouse using 16S rRNA amplicon sequencing technology. Our findings suggested that maternal ZEN exposure significantly diminished ovarian reserve, increased apoptosis of ovarian granulosa cell (GC), and impacted the developmental competence of oocytes in lactating offspring. In addition, the results of 16S rRNA sequencing showed that the abundance of gut microbiota in offspring was significantly changed, including Bacteroidetes, Proteobacteria, and Firmicutes. This leads to alterations of glutathione metabolism and the expression of antioxidant enzymes in ovaries. In summary, our findings supported a potential relationship between gut microbiota and abnormal ovarian development caused by ZEN, which offers novel insights for therapeutic strategies for reproductive disorders induced by ZEN exposure.
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Affiliation(s)
- Jiamao Yan
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Li Kong
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
- College of Life Sciences, Inner Mongolia University, Hohhot 010021, China
| | - Xiaoyuan Zhang
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Mubin Yu
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Kexin Zhu
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Aihong Zhao
- Qingdao Academy of Agricultural Sciences, Qingdao 266100, China
| | - Dachuan Shi
- Qingdao Academy of Agricultural Sciences, Qingdao 266100, China
| | - Yonghong Sun
- Qingdao Academy of Agricultural Sciences, Qingdao 266100, China
| | - Junjie Wang
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Wei Shen
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Lan Li
- College of Life Sciences, Qingdao Agricultural University, Qingdao 266109, China
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Fang M, Hu W, Liu B. Protective and detoxifying effects conferred by selenium against mycotoxins and livestock viruses: A review. Front Vet Sci 2022; 9:956814. [PMID: 35982930 PMCID: PMC9378959 DOI: 10.3389/fvets.2022.956814] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 07/06/2022] [Indexed: 11/13/2022] Open
Abstract
Animal feed can easily be infected with molds during production and storage processes, and this can lead to the production of secondary metabolites, such as mycotoxins, which eventually threaten human and animal health. Furthermore, livestock production is also not free from viral infections. Under these conditions, the essential trace element, selenium (Se), can confer various biological benefits to humans and animals, especially due to its anticancer, antiviral, and antioxidant properties, as well as its ability to regulate immune responses. This article reviews the latest literature on the antagonistic effects of Se on mycotoxin toxicity and viral infections in animals. We outlined the systemic toxicity of mycotoxins and the primary mechanisms of mycotoxin-induced toxicity in this analysis. In addition, we pay close attention to how mycotoxins and viral infections in livestock interact. The use of Se supplementation against mycotoxin-induced toxicity and cattle viral infection was the topic of our final discussion. The coronavirus disease 2019 (COVID-19) pandemic, which is currently causing a health catastrophe, has altered our perspective on health concerns to one that is more holistic and increasingly embraces the One Health Concept, which acknowledges the interdependence of humans, animals, and the environment. In light of this, we have made an effort to present a thorough and wide-ranging background on the protective functions of selenium in successfully reducing mycotoxin toxicity and livestock viral infection. It concluded that mycotoxins could be systemically harmful and pose a severe risk to human and animal health. On the contrary, animal mycotoxins and viral illnesses have a close connection. Last but not least, these findings show that the interaction between Se status and host response to mycotoxins and cattle virus infection is crucial.
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Affiliation(s)
- Manxin Fang
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
- Engineering Technology Research Center of Jiangxi Universities and Colleges for Selenium Agriculture, Yichun University, Yichun, China
- *Correspondence: Manxin Fang
| | - Wei Hu
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
- Engineering Technology Research Center of Jiangxi Universities and Colleges for Selenium Agriculture, Yichun University, Yichun, China
| | - Ben Liu
- College of Life Science and Resources and Environment, Yichun University, Yichun, China
- Engineering Technology Research Center of Jiangxi Universities and Colleges for Selenium Agriculture, Yichun University, Yichun, China
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Feng YQ, Zhao AH, Wang JJ, Tian Y, Yan ZH, Dri M, Shen W, De Felici M, Li L. Oxidative stress as a plausible mechanism for zearalenone to induce genome toxicity. Gene 2022; 829:146511. [PMID: 35447234 DOI: 10.1016/j.gene.2022.146511] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 02/27/2022] [Accepted: 04/14/2022] [Indexed: 02/07/2023]
Abstract
Zearalenone (ZEN), a common non-steroidal estrogenic mycotoxin of the Fusarium genus, is one of the most frequent and powerful contaminant of grains and cereal products representing a serious threat for people and livestock health. In fact, ZEN causes cytotoxicity and genotoxicity in a variety of cell types at least in part through binding to estrogen receptors (ERs). The main pathways through which ZEN induces such effects remain, however, elusive. In particular, how the mycotoxin causes DNA damage, dysregulates DNA repair mechanisms, changes epigenome of targeted cells and, not least, affects chromatin conformation and non-coding RNA (ncRNA), is unclear. In the present paper, following extensive review of the literature about such ZEN effects and our own experience in studying the effects of this compound on reproductive processes, we propose that increased production of reactive oxygen species (ROS) and consequently oxidative stress (OS) are central in ZEN genotoxicity. Besides to shed light on the action mechanisms of the mycotoxin, this notion might help to develop effective strategies to counteract its deleterious biological effects.
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Affiliation(s)
- Yan-Qin Feng
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Ai-Hong Zhao
- Qingdao Academy of Agricultural Sciences, Qingdao 266100, China
| | - Jun-Jie Wang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Yu Tian
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Zi-Hui Yan
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Maria Dri
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome 00133, Italy
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Massimo De Felici
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome 00133, Italy.
| | - Lan Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China.
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Whole-Transcriptome Analysis of Non-Coding RNA Alteration in Porcine Alveolar Macrophage Exposed to Aflatoxin B1. Toxins (Basel) 2022; 14:toxins14060373. [PMID: 35737034 PMCID: PMC9230535 DOI: 10.3390/toxins14060373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/19/2022] [Accepted: 05/25/2022] [Indexed: 11/20/2022] Open
Abstract
Aflatoxin B1 (AFB1) is a type of mycotoxin produced by the fungi Aspergillus flavus and Aspergillus parasiticus and is commonly found in cereals, oils and foodstuffs. In order to understand the toxic effects of AFB1 exposure on Porcine alveolar macrophages (3D4/2 cell), the 3D4/2 cells were exposed to 40 μg/mL AFB1 for 24 h in vitro, and several methods were used for analysis. Edu and TUNEL analysis showed that the proliferation of 3D4/2 cells was significantly inhibited and the apoptosis of 3D4/2 cells was significantly induced after AFB1 exposure compared with that of the control group. Whole-transcriptome analysis was performed to reveal the non-coding RNA alteration in 3D4/2 cells after AFB1 exposure. It was found that the expression of cell-cycle-related and apoptosis-related genes was altered after AFB1 exposure, and lncRNAs and miRNAs were also significantly different among the experimental groups. In particular, AFB1 exposure affected the expression of lncRNAs associated with cellular senescence signaling pathways, such as MSTRG.24315 and MSTRG.80767, as well as related genes, Cxcl8 and Gadd45g. In addition, AFB1 exposure affected the expression of miRNAs associated with immune-related genes, such as miR-181a, miR-331-3p and miR-342, as well as immune-related genes Nfkb1 and Rras2. Moreover, the regulation networks between mRNA-miRNAs and mRNA-lncRNAs were confirmed by the results of RT-qPCR and immunofluorescence. In conclusion, our results here demonstrate that AFB1 exposure impaired proliferation of 3D4/2 cells via the non-coding RNA-mediated pathway.
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Li S, Wang J, Li J, Yue M, Liu C, Ma L, Liu Y. Integrative analysis of transcriptome complexity in pig granulosa cells by long-read isoform sequencing. PeerJ 2022; 10:e13446. [PMID: 35637716 PMCID: PMC9147391 DOI: 10.7717/peerj.13446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 04/26/2022] [Indexed: 01/14/2023] Open
Abstract
Background In intensive and large-scale farms, abnormal estradiol levels in sows can cause reproductive disorders. The high incidence rate of reproductive disturbance will induce the elimination of productive sows in large quantities, and the poor management will bring great losses to the pig farms. The change in estradiol level has an important effect on follicular development and estrus of sows. To solve this practical problem and improve the productive capacity of sows, it is significant to further clarify the regulatory mechanism of estradiol synthesis in porcine granulosa cells (GCs). The most important function of granulosa cells is to synthesize estradiol. Thus, the studies about the complex transcriptome in porcine GCs are significant. As for precursor-messenger RNAs (pre-mRNAs), their post-transcriptional modification, such as alternative polyadenylation (APA) and alternative splicing (AS), together with long non-coding RNAs (lncRNAs), may regulate the functions of granulosa cells. However, the above modification events and their function are unclear within pig granulosa cells. Methods Combined PacBio long-read isoform sequencing (Iso-Seq) was conducted in this work for generating porcine granulosa cells' transcriptomic data. We discovered new transcripts and possible gene loci via comparison against reference genome. Later, combined Iso-Seq data were adopted to uncover those post-transcriptional modifications such as APA or AS, together with lncRNA within porcine granulosa cells. For confirming that the Iso-Seq data were reliable, we chose four AS genes and analyzed them through RT-PCR. Results The present article illustrated that pig GCs had a complex transcriptome, which gave rise to 8,793 APA, 3,465 AS events, 703 candidate new gene loci, as well as 92 lncRNAs. The results of this study revealed the complex transcriptome in pig GCs. It provided a basis for the interpretation of the molecular mechanism in GCs.
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Affiliation(s)
- Shuxin Li
- School of Life Science and Technology, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia, China
| | - Jiarui Wang
- School of Life Science and Technology, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia, China
| | - Jiale Li
- School of Life Science and Technology, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia, China
| | - Meihong Yue
- School of Life Science and Technology, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia, China
| | - Chuncheng Liu
- School of Life Science and Technology, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia, China
| | - Libing Ma
- School of Life Science and Technology, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia, China
| | - Ying Liu
- School of Life Science and Technology, Inner Mongolia University of Science & Technology, Baotou, Inner Mongolia, China
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12
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Chen J, Yang S, Li P, Wu A, Nepovimova E, Long M, Wu W, Kuca K. MicroRNA regulates the toxicological mechanism of four mycotoxins in vivo and in vitro. J Anim Sci Biotechnol 2022; 13:37. [PMID: 35197116 PMCID: PMC8867758 DOI: 10.1186/s40104-021-00653-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 11/21/2021] [Indexed: 11/30/2022] Open
Abstract
Mycotoxins can cause body poisoning and induce carcinogenesis, often with a high mortality rate. Therefore, it is of great significance to seek new targets that indicate mycotoxin activity and to diagnose and intervene in mycotoxin-induced diseases in their early stages. MicroRNAs (miRNAs) are physiological regulators whose dysregulation is closely related to the development of diseases. They are thus important markers for the occurrence and development of diseases. In this review, consideration is given to the toxicological mechanisms associated with four major mycotoxins (ochratoxin A, aflatoxin B1, deoxynivalenol, and zearalenone). The roles that miRNAs play in these mechanisms and the interactions between them and their target genes are explained, and summarize the important role of histone modifications in their toxicity. As a result, the ways that miRNAs are regulated in the pathogenicity signaling pathways are revealed which highlights the roles played by miRNAs in preventing and controlling the harmful effects of the mycotoxins. It is hoped that this review will provide a theoretical basis for the prevention and control of the damage caused by these mycotoxins.
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Affiliation(s)
- Jia Chen
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
| | - Shuhua Yang
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
| | - Peng Li
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China
| | - Aibo Wu
- SIBS-UGENT-SJTU Joint Laboratory of Mycotoxin Research, CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, 50003, Czech Republic
| | - Miao Long
- College of Animal Science & Veterinary Medicine, Shenyang Agricultural University, Shenyang, 110866, China.
| | - Wenda Wu
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, 50003, Czech Republic. .,MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, 210095, China.
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Kralove, 50003, Czech Republic. .,Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove, 50003, Czech Republic.
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13
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Zhang M, Tian Y, Zhang S, Yan H, Ge W, Han B, Yan Z, Cheng S, Shen W. The proliferation role of LH on porcine primordial germ cell-like cells (pPGCLCs) through ceRNA network construction. Clin Transl Med 2021; 11:e560. [PMID: 34709759 PMCID: PMC8516341 DOI: 10.1002/ctm2.560] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 08/12/2021] [Accepted: 08/16/2021] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND The transdifferentiation of skin-derived stem cells (SDSCs) into primordial germ cell-like cells (PGCLCs) is one of the major breakthroughs in the field of stem cells research in recent years. This technology provides a new theoretical basis for the treatment of human infertility. However, the transdifferentiation efficiency of SDSCs to PGCLCs is very low, and scientists are still exploring ways to improve this efficiency or promote the proliferation of PGCLCs. This study aims to investigate the molecular mechanism of luteinising hormone (LH) to enhance porcine PGCLCs (pPGCLCs) proliferation. RESULTS In this study, we dissected the proliferation regulatory network of pPGCLCs by whole transcriptome sequencing, and the results showed that the pituitary-secreted reproductive hormone LH significantly promoted the proliferation of pPGCLCs. We combined whole transcriptome sequencing and related validation experiments to explore the mechanism of LH on the proliferation of pPGCLCs, and found that LH could affect the expression of Hippo signalling pathway-related mRNAs, miRNAs and lncRNAs in pPGCLCs. CONCLUSIONS For the first time, we found that LH promotes pPGCLCs proliferation through the competing endogenous RNA (ceRNA) regulatory networks and Hippo signalling pathway. This finding may help to elucidate the molecular mechanism by which LH promotes pPGCLCs proliferation.
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Affiliation(s)
- Ming‐Yu Zhang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of ShandongQingdao Agricultural UniversityQingdaoChina
| | - Yu Tian
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of ShandongQingdao Agricultural UniversityQingdaoChina
| | - Shu‐Er Zhang
- Animal Husbandry General Station of Shandong ProvinceJinanChina
| | - Hong‐Chen Yan
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of ShandongQingdao Agricultural UniversityQingdaoChina
| | - Wei Ge
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of ShandongQingdao Agricultural UniversityQingdaoChina
| | - Bao‐Quan Han
- Urology DepartmentPeking University Shenzhen HospitalShenzhenChina
| | - Zi‐Hui Yan
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of ShandongQingdao Agricultural UniversityQingdaoChina
| | - Shun‐Feng Cheng
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of ShandongQingdao Agricultural UniversityQingdaoChina
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Biotechnology in Universities of ShandongQingdao Agricultural UniversityQingdaoChina
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14
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Zhang FL, Kong L, Zhao AH, Ge W, Yan ZH, Li L, De Felici M, Shen W. Inflammatory cytokines as key players of apoptosis induced by environmental estrogens in the ovary. ENVIRONMENTAL RESEARCH 2021; 198:111225. [PMID: 33971129 DOI: 10.1016/j.envres.2021.111225] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 01/02/2021] [Accepted: 04/22/2021] [Indexed: 06/12/2023]
Abstract
Natural and synthetic environmental estrogens (EEs), interfering with the physiological functions of the body's estrogens, are widespread and are rising much concern for their possible deleterious effects on human and animal health, in particular on reproduction. In fact, increasing evidence indicate that EEs can be responsible for a variety of disfunctions of the reproductive system especially in females such as premature ovarian insufficiency (POI). Because of their great structural diversity, the modes of action of EEs are controversial. One important way through which EEs exert their effects on reproduction is the induction of apoptosis in the ovary. In general, EEs can exert pro-and anti-apoptotic effects by agonizing or antagonizing numerous estrogen-dependent signaling pathways. In the present work, results concerning apoptotic pathways and diseases induced by representative EEs (such as zearalenone, bisphenol A and di-2-ethylhexyl phthalate), in ovaries throughout development are presented into an integrated network. By reviewing and elaborating these studies, we propose inflammatory factors, centered on the production of tumor necrosis factor (TNF), as a major cause of the induction of apoptosis by EEs in the mammalian ovary. As a consequence, potential strategies to prevent such EE effect are suggested.
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Affiliation(s)
- Fa-Li Zhang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Li Kong
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Ai-Hong Zhao
- Qingdao Academy of Agricultural Sciences, Qingdao, 266100, China
| | - Wei Ge
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Zi-Hui Yan
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Lan Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China
| | - Massimo De Felici
- Department of Biomedicine and Prevention, University of Rome Tor Vergata, Rome, 00133, Italy.
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao, 266109, China.
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Kinkade CW, Rivera-Núñez Z, Gorcyzca L, Aleksunes LM, Barrett ES. Impact of Fusarium-Derived Mycoestrogens on Female Reproduction: A Systematic Review. Toxins (Basel) 2021; 13:toxins13060373. [PMID: 34073731 PMCID: PMC8225184 DOI: 10.3390/toxins13060373] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 01/03/2023] Open
Abstract
Contamination of the world’s food supply and animal feed with mycotoxins is a growing concern as global temperatures rise and promote the growth of fungus. Zearalenone (ZEN), an estrogenic mycotoxin produced by Fusarium fungi, is a common contaminant of cereal grains and has also been detected at lower levels in meat, milk, and spices. ZEN’s synthetic derivative, zeranol, is used as a growth promoter in United States (US) and Canadian beef production. Experimental research suggests that ZEN and zeranol disrupt the endocrine and reproductive systems, leading to infertility, polycystic ovarian syndrome-like phenotypes, pregnancy loss, and low birth weight. With widespread human dietary exposure and growing experimental evidence of endocrine-disrupting properties, a comprehensive review of the impact of ZEN, zeranol, and their metabolites on the female reproductive system is warranted. The objective of this systematic review was to summarize the in vitro, in vivo, and epidemiological literature and evaluate the potential impact of ZEN, zeranol, and their metabolites (commonly referred to as mycoestrogens) on female reproductive outcomes. We conducted a systematic review (PROSPERO registration CRD42020166469) of the literature (2000–2020) following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. The data sources were primary literature published in English obtained from searching PubMed, Web of Science, and Scopus. The ToxR tool was applied to assess risk of bias. In vitro and in vivo studies (n = 104) were identified and, overall, evidence consistently supported adverse effects of mycoestrogens on physiological processes, organs, and tissues associated with female reproduction. In non-pregnant animals, mycoestrogens alter follicular profiles in the ovary, disrupt estrus cycling, and increase myometrium thickness. Furthermore, during pregnancy, mycoestrogen exposure contributes to placental hemorrhage, stillbirth, and impaired fetal growth. No epidemiological studies fitting the inclusion criteria were identified.
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Affiliation(s)
- Carolyn W. Kinkade
- Joint Graduate Program in Exposure Science, Department of Environmental Sciences, Rutgers University, Piscataway, NJ 08854, USA
- Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, NJ 08854, USA; (Z.R.-N.); (L.M.A.)
- Correspondence: (C.W.K.); (E.S.B.)
| | - Zorimar Rivera-Núñez
- Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, NJ 08854, USA; (Z.R.-N.); (L.M.A.)
- Department of Biostatistics and Epidemiology, School of Public Health, Rutgers University, Piscataway, NJ 08854, USA
| | - Ludwik Gorcyzca
- Joint Graduate Program in Toxicology, Rutgers University, Piscataway, NJ 08554, USA;
| | - Lauren M. Aleksunes
- Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, NJ 08854, USA; (Z.R.-N.); (L.M.A.)
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ 08854, USA
- Rutgers Center for Lipid Research, New Jersey Institute for Food, Nutrition, and Health, Rutgers University, New Brunswick, NJ 08901, USA
| | - Emily S. Barrett
- Environmental and Occupational Health Sciences Institute, Rutgers University, Piscataway, NJ 08854, USA; (Z.R.-N.); (L.M.A.)
- Department of Biostatistics and Epidemiology, School of Public Health, Rutgers University, Piscataway, NJ 08854, USA
- Correspondence: (C.W.K.); (E.S.B.)
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Li MH, Niu MH, Feng YQ, Zhang SE, Tang SW, Wang JJ, Cao HG, Shen W. Establishment of lncRNA-mRNA network in bovine oocyte between germinal vesicle and metaphase II stage. Gene 2021; 791:145716. [PMID: 33984447 DOI: 10.1016/j.gene.2021.145716] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 04/12/2021] [Accepted: 05/06/2021] [Indexed: 12/19/2022]
Abstract
Long non-coding RNA (lncRNA), a type of non-protein coding transcripts with lengths exceeding 200 nucleotides, is reported to be widely involved in many cellular and developmental processes. However, few roles of lncRNA in oocyte development have been defined. In this study, to uncover the effect of lncRNA during oocyte maturation, bovine germinal vesicle (GV) and in vitro matured metaphase II (MII) oocytes underwent RNA sequencing. Results revealed a wealth of candidate lncRNAs, which might participate in the biological processes of stage-specific oocytes. Furthermore, their trans- and cis-regulatory effects were investigated in-depth by using bioinformatic software. Functional enrichment analysis of target genes showed that these lncRNAs were likely involved in the regulation of many key signaling pathways during bovine oocyte maturation from GV to MII stage, as well as multiple lncRNA-mRNA networks. One novel lncRNA (MSTRG.19140) was particularly interesting, as it appeared to mediate the regulation of oocyte meiotic resumption, progesterone-mediated oocyte maturation, and cell cycle. Therefore, this study enhanced insights into the regulation of molecular mechanisms of bovine oocyte maturation from a lncRNA-mRNA network perspective.
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Affiliation(s)
- Ming-Hao Li
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China; Anhui Province Key Laboratory of Local Livestock and Poultry Genetic Resource Conservation and Bio-breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Meng-Han Niu
- Anhui Province Key Laboratory of Local Livestock and Poultry Genetic Resource Conservation and Bio-breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China
| | - Yan-Qin Feng
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Shu-Er Zhang
- Animal Husbandry General Station of Shandong Province, Jinan 250010, China
| | - Shao-Wei Tang
- Shandong Binzhou Academy of Animal Science and Veterinary Medicine, Binzhou 256600, China
| | - Jun-Jie Wang
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China
| | - Hong-Guo Cao
- Anhui Province Key Laboratory of Local Livestock and Poultry Genetic Resource Conservation and Bio-breeding, College of Animal Science and Technology, Anhui Agricultural University, Hefei 230036, China.
| | - Wei Shen
- College of Life Sciences, Key Laboratory of Animal Reproduction and Germplasm Enhancement in Universities of Shandong, Qingdao Agricultural University, Qingdao 266109, China.
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Zhu L, Yuhan J, Huang K, He X, Liang Z, Xu W. Multidimensional analysis of the epigenetic alterations in toxicities induced by mycotoxins. Food Chem Toxicol 2021; 153:112251. [PMID: 33961929 DOI: 10.1016/j.fct.2021.112251] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 03/30/2021] [Accepted: 04/30/2021] [Indexed: 02/07/2023]
Abstract
Mycotoxins contaminate all types of food and feed, threatening human and animal health through food chain accumulation, producing various toxic effects. Increasing attention is being focused on the molecular mechanism of mycotoxin-induced toxicity in all kinds of in vivo and in vitro models. Epigenetic alterations, including DNA methylation, non-coding RNAs (ncRNAs), and protein post-translational modifications (PTMs), were identified as being involved in various types of mycotoxin-induced toxicity. In this review, the emphasis was on summarizing the epigenetic alterations induced by mycotoxin, including aflatoxin B1 (AFB1), ochratoxin A (OTA), zearalenone (ZEA), fumonisin B1 (FB1), and deoxynivalenol (DON). This review summarized and analyzed the roles of DNA methylation, ncRNAs, and protein PTMs after mycotoxin exposure based on recently published papers. Moreover, the main research methods and their deficiencies were determined, while some remedial suggestions are proposed. In summary, this review helps to understand better the epigenetic alterations induced by the non-genotoxic effects of mycotoxin.
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Affiliation(s)
- Liye Zhu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Jieyu Yuhan
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Kunlun Huang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Xiaoyun He
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Zhihong Liang
- College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Wentao Xu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China.
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Tian Y, Zhang MY, Zhao AH, Kong L, Wang JJ, Shen W, Li L. Single-cell transcriptomic profiling provides insights into the toxic effects of Zearalenone exposure on primordial follicle assembly. Am J Cancer Res 2021; 11:5197-5213. [PMID: 33859742 PMCID: PMC8039963 DOI: 10.7150/thno.58433] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 02/21/2021] [Indexed: 12/15/2022] Open
Abstract
Rationale: Zearalenone (ZEN), a pollutant in our daily diet, seriously threatens the reproductive health of humans and animals. The primordial follicle (PF) assembly in the mouse occurs during the perinatal period, which determines the whole ovarian reserve in reproductive lifespan. In the current investigation, we administered ZEN orally to perinatal mice from 16.5 days post coitum (dpc) to postnatal day 3 (PD3), and single-cell RNA sequencing (scRNA-seq) was performed on PD0 and PD3 ovarian tissues in the offspring to check ZEN toxic to primordial follicle formation at the single cell level. Methods: Ovarian tissues (in vivo) were examined by single cell RNA sequencing analysis, Immunostaining, and Western blotting. Ovarian tissues (in vitro) were examined by qRT-PCR, Immunostaining, and Western blotting. Results: We found that ZEN exposure altered the developmental trajectory of both germ cells and granulosa cells. Furthermore, after establishing the cell-cell communication network between germ cells and granulosa cells, we found that this was perturbed by ZEN exposure, especially during the Hippo signaling pathway. Conclusions: This study showed that ZEN affected the status of germ cells and granulosa cells through the Hippo signaling pathway and blocked the assembly of PFs. This research contributes to our deeper understanding of the mechanisms of toxicity in different cell types and the disruption of normal intercellular signaling by ZEN exposure.
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Cao L, Jiang Y, Zhu L, Xu W, Chu X, Zhang Y, Rahman SU, Feng S, Li Y, Wu J, Wang X. Deoxynivalenol Induces Caspase-8-Mediated Apoptosis through the Mitochondrial Pathway in Hippocampal Nerve Cells of Piglet. Toxins (Basel) 2021; 13:toxins13020073. [PMID: 33498252 PMCID: PMC7909276 DOI: 10.3390/toxins13020073] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/12/2021] [Accepted: 01/15/2021] [Indexed: 12/22/2022] Open
Abstract
Deoxynivalenol (DON) is a common trichothecene mycotoxin found worldwide. DON has broad toxicity towards animals and humans. However, the mechanism of DON-induced neurotoxicity in vitro has not been fully understood. This study investigated the hypothesis that DON toxicity in neurons occurs via the mitochondrial apoptotic pathway. Using piglet hippocampal nerve cells (PHNCs), we evaluated the effects of different concentrations of DON on typical indicators of apoptosis. The obtained results demonstrated that DON treatment inhibited PHNC proliferation and led to morphological, biochemical, and transcriptional changes consistent with apoptosis, including decreased mitochondrial membrane potential, mitochondrial release of cytochrome C (CYCS) and apoptosis inducing factor (AIF), and increased abundance of active cleaved-caspase-9 and cleaved-caspase-3. Increasing concentrations of DON led to decreased B-cell lymphoma-2 (Bcl-2) expression and increased expression of BCL2-associated X (Bax) and B-cell lymphoma-2 homology 3 interacting domain death agonist (Bid), which in turn increased transcriptional activity of the transcription factors AIF and P53 (a tumor suppressor gene, promotes apoptosis). The addition of a caspase-8 inhibitor abrogated these effects. These results reveal that DON induces apoptosis in PHNCs via the mitochondrial apoptosis pathway, and caspase-8 is shown to play an important role during apoptosis regulation.
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