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Li Y, Cui H, Li D, Fu HY, Li JZ, Xu WX, Fan RF. Selenium alleviates pancreatic fibrosis in chickens caused by mercuric chloride: Involvement of the MAPK signaling pathway and selenoproteins. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 357:124448. [PMID: 38942272 DOI: 10.1016/j.envpol.2024.124448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2024] [Revised: 06/21/2024] [Accepted: 06/25/2024] [Indexed: 06/30/2024]
Abstract
Mercuric chloride (HgCl2) is a widespread inorganic mercury with digestive toxicity. The pancreas is an important digestive organ in animals, and pancreatic fibrosis (PF) is a major pathological feature of chronic pancreatitis, which can be caused by heavy metals. Selenium (Se) is an essential trace element for the animal organism, performing biological functions in the form of selenoproteins, as well as alleviating the toxicity of heavy metals. In this study, we explored the specific mechanisms underlying the protective effect of Se on HgCl2-induced pancreatic injury in chickens. Morphological observation and serum biochemical analysis showed that Se attenuated HgCl2-caused pancreatic tissue damage and elevated glucose concentration and α-amylase activity. Next, the expression of oxidative stress indicators such as MDA and GSH-Px as well as inflammation-related markers including IL-1β, IL-6, and TNF-α were detected. Results showed that Se had an inhibitory effect on HgCl2-induced oxidative stress and inflammation. Furthermore, we found that Se alleviated HgCl2-induced PF by detecting the expression of markers related to PF including TGF-β1, α-SMA, COL1A1, and FN1. Mechanistically, Se attenuated HgCl2-induced PF via the MAPK signaling pathway. Importantly, several selenoproteins, especially those with antioxidant activity, were involved in the protective effect of Se on HgCl2 toxicity. In conclusion, our findings demonstrated that Se inhibited HgCl2-induced oxidative stress and inflammation and alleviated chicken PF through the MAPK signaling pathway, in which some antioxidant selenoproteins were involved.
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Affiliation(s)
- Yue Li
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Han Cui
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Dan Li
- Shandong Medicine Technician College, 999 Fengtian Road, Tai'an City, Shandong Province, 271016, China
| | - Hong-Yu Fu
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Jiu-Zhi Li
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Wan-Xue Xu
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China
| | - Rui-Feng Fan
- College of Veterinary Medicine, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
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Li T, Liu L, Zhu K, Luo Y, Huang X, Dong Y, Huang J. Biomimetic MicroRNAs-Selenium-Nanocomposites for Targeted and Combined Hyperlipidemia Therapy. Adv Healthc Mater 2024; 13:e2400064. [PMID: 38457693 DOI: 10.1002/adhm.202400064] [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: 01/06/2024] [Revised: 03/02/2024] [Indexed: 03/10/2024]
Abstract
Hyperlipidemia is considered as a high-risk factor for leading to coronary heart disease. MicroRNA-148a-3p (miR-148a-3p) inhibitor is a potential therapeutic target to bind low-density lipoprotein cholesterol receptors (LDLR) for decreasing the levels of low-density lipoprotein cholesterol in plasma. However, the therapeutic effects are not ideal in the clinical translation of nucleic acids treatment, owing to the short circulation time in vivo. Therefore, a platelet membrane (PM) cloaks Se nanoparticles (SeNPs) delivery system with chitosan (CS) modifies and miR-148a-3p inhibitors encapsulated is designed (PM/CS-SeNPs/miR). The PM/CS-SeNPs/miR shows a uniform shell-core structure with a particle size of ≈90 nm. Co-delivering miR-148a-3p inhibitors and Se effectively alleviate hyperlipidemia via LDLR pathway and Toll-Like Receptor 4 (TLR-4)/NF-κB signaling pathway, respectively. Furthermore, coated by PM, PM/CS-SeNPs/miR successfully prolong circulation time to 48 h in vivo and quickly target to liver with no toxicity. This dual combination therapy with miRNAs and Se based on nanoparticles targeted delivery presents a high-performance strategy for precise hyperlipidemia treatment.
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Affiliation(s)
- Tong Li
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Libing Liu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Kongdi Zhu
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Yun Luo
- Nutrition Research Center, Shanghai Primerna Biotechnology Co., Ltd, Shanghai, 201600, China
| | - Xin Huang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
| | - Yulan Dong
- College of Veterinary Medicine, China Agricultural University, Beijing, 100193, China
| | - Jiaqiang Huang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China
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Sun W, Lei Y, Jiang Z, Wang K, Liu H, Xu T. BPA and low-Se exacerbate apoptosis and mitophagy in chicken pancreatic cells by regulating the PTEN/PI3K/AKT/mTOR pathway. J Adv Res 2024:S2090-1232(24)00042-0. [PMID: 38311007 DOI: 10.1016/j.jare.2024.01.029] [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: 09/12/2023] [Revised: 12/09/2023] [Accepted: 01/25/2024] [Indexed: 02/06/2024] Open
Abstract
INTRODUCTION Bisphenol A (BPA) is a widespread environmental pollutant which has serious toxic effects on organisms. One of the crucial trace elements is selenium (Se), whose shortage can harm biological tissues and enhance the toxicity of contaminants, in which apoptosis and autophagy are core events. OBJECTIVES An in vivo model was established to investigate the effects of BPA and low-Se on chicken pancreatic tissue, and identify the possible potential molecular mechanism. METHODS A total of 80 1-day-old broiler chickens (Xinghua Chicken Farm, Harbin, China) were stochastically divided into 4 groups (n = 20/group): Control group, BPA group, low-Se group, and low-Se + BPA group. Pancreatic tissue was collected at day 42 to detect changes in markers. RESULTS First, the data showed that BPA and low-Se exposure gave rose to structural abnormalities in pancreatic tissue, oxidative stress, mitochondrial dysfunction and homeostasis imbalance, apoptosis and mitophagy. In addition, the co-exposure of BPA and low-Se caused the most serious damage to pancreatic tissue. In terms of mechanism, it was found that apoptosis and mitophagy induced by BPA and low-Se were related to the activation of PTEN/PI3K/AKT/mTOR pathway. CONCLUSION In summary, the study found that BPA and low-Se exacerbated mitochondria damage, apoptosis and mitophagy by regulating the PTEN/PI3K/AKT/mTOR pathway.
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Affiliation(s)
- Wenying Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Yutian Lei
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Zhihui Jiang
- Henan Beiai Natural Product Application and Development Engineering Research Center, Anyang Institute of Technology, Anyang 455000, Henan, PR China
| | - Kun Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Huanyi Liu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Tong Xu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Lingamgunta LK, Aloor BP, Dasari S, Ramakrishnan R, Botlagunta M, Madikonda AK, Gopal S, Sade A. Identification of prognostic hub genes and therapeutic targets for selenium deficiency in chicks model through transcriptome profiling. Sci Rep 2023; 13:8695. [PMID: 37248251 DOI: 10.1038/s41598-023-34955-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 05/10/2023] [Indexed: 05/31/2023] Open
Abstract
Selenium deficiency is a prevalent micronutrient deficiency that poses a major health concern worldwide. This study aimed to shed light on the molecular mechanisms underlying selenium deficiency using a chick model. Chickens were divided into control and selenium deficient groups. Plasma samples were collected to measure selenium concentration and transcriptome analyse were performed on oviduct samples. The results showed that selenium deficiency led to a significant reduction in plasma selenium levels and altered the expression of 10,266 differentially expressed genes (DEGs). These DEGs primarily regulated signal transduction and cell motility. The molecular function includes GTPase regulatory activity, and KEGG pathway analysis showed that they were mainly involved in the signal transduction. By using Cytoscape and CancerGeneNet tool, we identified 8 modules and 10 hub genes (FRK, JUN, PTPRC, ACTA2, MST1R, SDC4, SDC1, CXCL12, MX1 and EZR) associated with receptor tyrosine kinase pathway, Wnt and mTOR signaling pathways that may be closely related to cancer. These hub genes could be served as precise diagnostic and prognostic candidate biomarkers of selenium deficiency and potential targets for treatment strategies in both animals and humans. This study sheds light on the molecular basis of selenium deficiency and its potential impact on public health.
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Affiliation(s)
| | - Bindu Prasuna Aloor
- Department of Botany, Rayalaseema University, Kurnool, 518002, Andhra Pradesh, India
| | - Sreenivasulu Dasari
- Department of Biochemistry, Sri Venkateswara University, Tirupati, 517502, Andhra Pradesh, India
| | - Ranjani Ramakrishnan
- Department of Virology, Sri Venkateswara University, Tirupati, 517502, Andhra Pradesh, India
| | - Mahendran Botlagunta
- School of Biosciences, Engineering and Technology, Vellore Institute of Technology (VIT), Bhopal, 466114, Madhya Pradesh, India
| | - Ashok Kumar Madikonda
- Department of Biochemistry & Molecular Biology, Central University of Kerala, Periye, 671316, Kerala, India
| | - Shankar Gopal
- Department of Biochemistry, Sri Venkateswara University, Tirupati, 517502, Andhra Pradesh, India
| | - Ankanna Sade
- Department of Botany, Sri Venkateswara University, Tirupati, 517502, Andhra Pradesh, India
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