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Sif-Eddine W, Ba-M'hamed S, Lefranc B, Leprince J, Boukhzar L, Anouar Y, Bennis M. Selenoprotein T, a potential treatment of attention-deficit/hyperactivity disorder and comorbid pain in neonatal 6-OHDA lesioned mice. Exp Mol Pathol 2024; 137:104905. [PMID: 38797131 DOI: 10.1016/j.yexmp.2024.104905] [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: 12/17/2023] [Revised: 05/21/2024] [Accepted: 05/22/2024] [Indexed: 05/29/2024]
Abstract
pathological pain and Attention-deficit/hyperactivity disorder (ADHD) are two complex multifactorial syndromes. The comorbidity of ADHD and altered pain perception is well documented in children, adolescents, and adults. According to pathophysiological investigations, the dopaminergic system's dysfunction provides a common basis for ADHD and comorbid pain. Growing evidence suggests that oxidative stress may be crucial in both pathologies. Recent studies revealed that a small peptide encompassing the redox-active site of selenoprotein T (PSELT), protects dopaminergic neurons and fibers as well as lesioned nerves in animal models. The current study aims to examine the effects of PSELT treatment on ADHD-like symptoms and pain sensitivity, as well as the role of catecholaminergic systems in these effects. Our results demonstrated that intranasal administration of PSELT reduced the hyperactivity in the open field, decreased the impulsivity displayed by 6-OHDA-lesioned male mice in the 5-choice serial reaction time task test and improved attentional performance. In addition, PSELT treatment significantly increased the nociception threshold in both normal and inflammatory conditions. Furthermore, anti-hyperalgesic activity was antagonized with sulpiride pre-treatment, but not by phentolamine, or propranolol pre-treatments. The present study suggests that PSELT reduces the severity of ADHD symptoms in mice and possesses potent antinociceptive effects which could be related to the involvement of D2/D3 dopaminergic receptors.
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Affiliation(s)
- Wahiba Sif-Eddine
- Laboratory of Pharmacology, Neurobiology, Anthropobiology, and Environment, Faculty of Sciences, Cadi Ayyad University, Marrakesh, Morocco
| | - Saadia Ba-M'hamed
- Laboratory of Pharmacology, Neurobiology, Anthropobiology, and Environment, Faculty of Sciences, Cadi Ayyad University, Marrakesh, Morocco
| | - Benjamin Lefranc
- Univ Rouen Normandie, INSERM, NorDiC, UMR 1239, Rouen, France; Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Jérôme Leprince
- Univ Rouen Normandie, INSERM, NorDiC, UMR 1239, Rouen, France; Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Loubna Boukhzar
- Laboratory of Pharmacology, Neurobiology, Anthropobiology, and Environment, Faculty of Sciences, Cadi Ayyad University, Marrakesh, Morocco; Univ Rouen Normandie, INSERM, NorDiC, UMR 1239, Rouen, France; Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Youssef Anouar
- Univ Rouen Normandie, INSERM, NorDiC, UMR 1239, Rouen, France; Institute for Research and Innovation in Biomedicine, Rouen, France.
| | - Mohamed Bennis
- Laboratory of Pharmacology, Neurobiology, Anthropobiology, and Environment, Faculty of Sciences, Cadi Ayyad University, Marrakesh, Morocco
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Castel T, Léon K, Gandubert C, Gueguen B, Amérand A, Guernec A, Théron M, Pichavant-Rafini K. Comparison of Sodium Selenite and Selenium-Enriched Spirulina Supplementation Effects After Selenium Deficiency on Growth, Tissue Selenium Concentrations, Antioxidant Activities, and Selenoprotein Expression in Rats. Biol Trace Elem Res 2024; 202:685-700. [PMID: 37202582 DOI: 10.1007/s12011-023-03705-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/13/2023] [Indexed: 05/20/2023]
Abstract
Selenium contributes to physiological functions through its incorporation into selenoproteins. It is involved in oxidative stress defense. A selenium deficiency results in the onset or aggravation of pathologies. Following a deficiency, the repletion of selenium leads to a selenoprotein expression hierarchy misunderstood. Moreover, spirulina, a microalga, exhibits antioxidant properties and can be enriched in selenium.. Our objective was to determine the effects of a sodium selenite or selenium-enriched spirulina supplementation. Thirty-two female Wistar rats were fed for 12 weeks with a selenium-deficient diet. After 8 weeks, rats were divided into 4 groups and were fed with water, sodium selenite (20 μg Se/kg body weight), spirulina (3 g/kg bw), or selenium-enriched spirulina (20 μg Se/kg bw + 3 g spirulina/kg bw). Another group of 8 rats was fed with normal diet during 12 weeks. Selenium concentration and antioxidant enzyme activities were measured in plasma, urine, liver, brain, kidney, heart, and soleus. Expression of GPx (1, 3), Sel (P, S, T, W), SEPHS2, TrxR1, ApoER2, and megalin were quantified in liver, kidney, brain, and heart. We showed that a selenium deficiency leads to a growth delay, reversed by selenium supplementation despite a minor loss of weight in week 12 for SS rats. All tissues displayed a decrease in selenium concentration following deficiency. The brain seemed protected. We demonstrated a hierarchy in selenium distribution and selenoprotein expression. A supplementation of sodium selenite improved GPx activities and selenoprotein expression while a selenium-enriched spirulina was more effective to restore selenium concentration especially in the liver, kidney, and soleus.
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Affiliation(s)
- T Castel
- Université de Brest, EA 4324 ORPHY, UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, F-29200, Brest, France.
| | - K Léon
- Université de Brest, EA 4324 ORPHY, UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, F-29200, Brest, France
| | - C Gandubert
- Université de Brest, EA 4324 ORPHY, UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, F-29200, Brest, France
| | - B Gueguen
- CNRS, Univ Brest, UMS 3113, F-29280, Plouzané, France
- CNRS, Univ Brest, UMR 6538 Laboratoire Géosciences Océan, F-29280, Plouzané, France
| | - A Amérand
- Université de Brest, EA 4324 ORPHY, UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, F-29200, Brest, France
| | - A Guernec
- Université de Brest, EA 4324 ORPHY, UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, F-29200, Brest, France
| | - M Théron
- Université de Brest, EA 4324 ORPHY, UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, F-29200, Brest, France
| | - K Pichavant-Rafini
- Université de Brest, EA 4324 ORPHY, UFR Sciences et Techniques, 6 avenue Victor Le Gorgeu, F-29200, Brest, France
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Wright DE, O’Donoghue P. Biosynthesis, Engineering, and Delivery of Selenoproteins. Int J Mol Sci 2023; 25:223. [PMID: 38203392 PMCID: PMC10778597 DOI: 10.3390/ijms25010223] [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: 11/15/2023] [Revised: 12/14/2023] [Accepted: 12/18/2023] [Indexed: 01/12/2024] Open
Abstract
Selenocysteine (Sec) was discovered as the 21st genetically encoded amino acid. In nature, site-directed incorporation of Sec into proteins requires specialized biosynthesis and recoding machinery that evolved distinctly in bacteria compared to archaea and eukaryotes. Many organisms, including higher plants and most fungi, lack the Sec-decoding trait. We review the discovery of Sec and its role in redox enzymes that are essential to human health and important targets in disease. We highlight recent genetic code expansion efforts to engineer site-directed incorporation of Sec in bacteria and yeast. We also review methods to produce selenoproteins with 21 or more amino acids and approaches to delivering recombinant selenoproteins to mammalian cells as new applications for selenoproteins in synthetic biology.
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Affiliation(s)
- David E. Wright
- Department of Biochemistry, The University of Western Ontario, London, ON N6A 5C1, Canada;
| | - Patrick O’Donoghue
- Department of Biochemistry, The University of Western Ontario, London, ON N6A 5C1, Canada;
- Department of Chemistry, The University of Western Ontario, London, ON N6A 5C1, Canada
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Dogaru CB, Muscurel C, Duță C, Stoian I. "Alphabet" Selenoproteins: Their Characteristics and Physiological Roles. Int J Mol Sci 2023; 24:15992. [PMID: 37958974 PMCID: PMC10650576 DOI: 10.3390/ijms242115992] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 10/29/2023] [Accepted: 11/04/2023] [Indexed: 11/15/2023] Open
Abstract
Selenium (Se) is a metalloid that is recognized as one of the vital trace elements in our body and plays multiple biological roles, largely mediated by proteins containing selenium-selenoproteins. Selenoproteins mainly have oxidoreductase functions but are also involved in many different molecular signaling pathways, physiological roles, and complex pathogenic processes (including, for example, teratogenesis, neurodegenerative, immuno-inflammatory, and obesity development). All of the selenoproteins contain one selenocysteine (Sec) residue, with only one notable exception, the selenoprotein P (SELENOP), which has 10 Sec residues. Although these mechanisms have been studied intensely and in detail, the characteristics and functions of many selenoproteins remain unknown. This review is dedicated to the recent data describing the identity and the functions of several selenoproteins that are less known than glutathione peroxidases (Gpxs), iodothyronine deiodinases (DIO), thioredoxin reductases (TRxRs), and methionine sulfoxide reductases (Msrs) and which are named after alphabetical letters (i.e., F, H, I, K, M, N, O, P, R, S, T, V, W). These "alphabet" selenoproteins are involved in a wide range of physiological and pathogenetic processes such as antioxidant defense, anti-inflammation, anti-apoptosis, regulation of immune response, regulation of oxidative stress, endoplasmic reticulum (ER) stress, immune and inflammatory response, and toxin antagonism. In selenium deficiency, the "alphabet" selenoproteins are affected hierarchically, both with respect to the particular selenoprotein and the tissue of expression, as the brain or endocrine glands are hardly affected by Se deficiency due to their equipment with LRP2 or LRP8.
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Affiliation(s)
| | | | - Carmen Duță
- Department of Biochemistry, Carol Davila University of Medicine and Pharmacy, 050474 Bucharest, Romania (I.S.)
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Nunes LGA, Cain A, Comyns C, Hoffmann PR, Krahn N. Deciphering the Role of Selenoprotein M. Antioxidants (Basel) 2023; 12:1906. [PMID: 38001759 PMCID: PMC10668967 DOI: 10.3390/antiox12111906] [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: 10/06/2023] [Revised: 10/20/2023] [Accepted: 10/21/2023] [Indexed: 11/26/2023] Open
Abstract
Selenocysteine (Sec), the 21st amino acid, is structurally similar to cysteine but with a sulfur to selenium replacement. This single change retains many of the chemical properties of cysteine but often with enhanced catalytic and redox activity. Incorporation of Sec into proteins is unique, requiring additional translation factors and multiple steps to insert Sec at stop (UGA) codons. These Sec-containing proteins (selenoproteins) are found in all three domains of life where they often are involved in cellular homeostasis (e.g., reducing reactive oxygen species). The essential role of selenoproteins in humans requires us to maintain appropriate levels of selenium, the precursor for Sec, in our diet. Too much selenium is also problematic due to its toxic effects. Deciphering the role of Sec in selenoproteins is challenging for many reasons, one of which is due to their complicated biosynthesis pathway. However, clever strategies are surfacing to overcome this and facilitate production of selenoproteins. Here, we focus on one of the 25 human selenoproteins, selenoprotein M (SELENOM), which has wide-spread expression throughout our tissues. Its thioredoxin motif suggests oxidoreductase function; however, its mechanism and functional role(s) are still being uncovered. Furthermore, the connection of both high and low expression levels of SELENOM to separate diseases emphasizes the medical application for studying the role of Sec in this protein. In this review, we aim to decipher the role of SELENOM through detailing and connecting current evidence. With multiple proposed functions in diverse tissues, continued research is still necessary to fully unveil the role of SELENOM.
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Affiliation(s)
- Lance G. A. Nunes
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813-5525, USA
| | - Antavius Cain
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA;
| | - Cody Comyns
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06511-4902, USA
| | - Peter R. Hoffmann
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, Honolulu, HI 96813-5525, USA
| | - Natalie Krahn
- Department of Biochemistry and Molecular Biology, University of Georgia, Athens, GA 30602, USA;
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, CT 06511-4902, USA
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Kabin E, Dong Y, Roy S, Smirnova J, Smith JW, Ralle M, Summers K, Yang H, Dev S, Wang Y, Devenney B, Cole RN, Palumaa P, Lutsenko S. α-lipoic acid ameliorates consequences of copper overload by up-regulating selenoproteins and decreasing redox misbalance. Proc Natl Acad Sci U S A 2023; 120:e2305961120. [PMID: 37751556 PMCID: PMC10556618 DOI: 10.1073/pnas.2305961120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Accepted: 08/18/2023] [Indexed: 09/28/2023] Open
Abstract
α-lipoic acid (LA) is an essential cofactor for mitochondrial dehydrogenases and is required for cell growth, metabolic fuel production, and antioxidant defense. In vitro, LA binds copper (Cu) with high affinity and as an endogenous membrane permeable metabolite could be advantageous in mitigating the consequences of Cu overload in human diseases. We tested this hypothesis in 3T3-L1 preadipocytes with inactivated Cu transporter Atp7a; these cells accumulate Cu and show morphologic changes and mitochondria impairment. Treatment with LA corrected the morphology of Atp7a-/- cells similar to the Cu chelator bathocuproinedisulfonate (BCS) and improved mitochondria function; however, the mechanisms of LA and BCS action were different. Unlike BCS, LA did not decrease intracellular Cu but instead increased selenium levels that were low in Atp7a-/- cells. Proteome analysis confirmed distinct cell responses to these compounds and identified upregulation of selenoproteins as the major effect of LA on preadipocytes. Upregulation of selenoproteins was associated with an improved GSH:GSSG ratio in cellular compartments, which was lowered by elevated Cu, and reversal of protein oxidation. Thus, LA diminishes toxic effects of elevated Cu by improving cellular redox environment. We also show that selenium levels are decreased in tissues of a Wilson disease animal model, especially in the liver, making LA an attractive candidate for supplemental treatment of this disease.
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Affiliation(s)
- Ekaterina Kabin
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn12618, Estonia
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Yixuan Dong
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Shubhrajit Roy
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Julia Smirnova
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn12618, Estonia
| | - Joshua W. Smith
- Mass Spectrometry and Proteomics Core, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Martina Ralle
- Department of Molecular and Medical Genetics, Oregon Health & Science University, Portland, OR97201
| | - Kelly Summers
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Haojun Yang
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Som Dev
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Yu Wang
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Benjamin Devenney
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Robert N. Cole
- Mass Spectrometry and Proteomics Core, Johns Hopkins Medical Institutes, Baltimore, MD21205
| | - Peep Palumaa
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn12618, Estonia
| | - Svetlana Lutsenko
- Department of Physiology, Johns Hopkins Medical Institutes, Baltimore, MD21205
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Ke J, Zhang DG, Lei XJ, Liu GH, Luo Z. Characterization and tissue expression of twelve selenoproteins in yellow catfish Pelteobagrus fulvidraco fed diets varying in oxidized fish oil and selenium levels. J Trace Elem Med Biol 2023; 79:127204. [PMID: 37244044 DOI: 10.1016/j.jtemb.2023.127204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 04/28/2023] [Accepted: 05/14/2023] [Indexed: 05/29/2023]
Abstract
BACKGROUND Selenium (Se) functions through selenoproteins and is essential to growth and metabolism of vertebrates. The present study was conducted to identify twelve selenoproteins genes (selenoe, selenof, selenoh, selneoi, selenom, selenok, selneon, selenoo, selenot, selenos, selenou and msrb1) from yellow catfish. Their mRNA expression patterns, as well as their response to dietary oxidized fish oils and Se addition were explored. METHODS We use 3'and 5' RACE PCR to clone full-length cDNA sequence of twelve selenoprotein genes from yellow catfish. Their mRNA expression patterns were assessed via quantitative real-time PCR. Yellow catfish were fed diet adequate Se+ fresh fish oil, adequate Se+ oxidized fish oil, high Se+ fresh fish oil and high Se+ oxidized fish oil, respectively, for 10 weeks. Their kidney, heart, brain and testis were used to assess the mRNA expression of twelve selenoprotein. RESULTS Twelve selenoprotein genes had similar domains with mammals and the other fish. Their mRNAs were expressed widely in eleven tissues but varied with the tissues. Dietary oxidized fish oils and Se addition influenced their mRNA abundances of twelve selenoproteins in a tissue-dependent manner. CONCLUSION Our study demonstrated the characterization and expression of twelve selenoproteins, and elucidated their responses in yellow catfish fed diets varying in oxidized fish oils and Se addition, which increased our knowledge into the biological function and regulatory mechanism of Se and selenoproteins in fish.
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Affiliation(s)
- Jiang Ke
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agriculture University, Wuhan 430070, China
| | - Dian-Guang Zhang
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agriculture University, Wuhan 430070, China
| | - Xi-Jun Lei
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agriculture University, Wuhan 430070, China
| | - Guang-Hui Liu
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agriculture University, Wuhan 430070, China
| | - Zhi Luo
- Hubei Hongshan Laboratory, Fishery College, Huazhong Agriculture University, Wuhan 430070, China; Shenzhen Institute of Nutrition and Health, Huazhong Agricultural University, China; Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Genome Analysis Laboratory of the Ministry of Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, China.
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Liu Y, Yin S, He Y, Tang J, Pu J, Jia G, Liu G, Tian G, Chen X, Cai J, Kang B, Che L, Zhao H. Hydroxy-Selenomethionine Mitigated Chronic Heat Stress-Induced Porcine Splenic Damage via Activation of Nrf2/Keap1 Signal and Suppression of NFκb and STAT Signal. Int J Mol Sci 2023; 24:ijms24076461. [PMID: 37047433 PMCID: PMC10094443 DOI: 10.3390/ijms24076461] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/25/2023] [Accepted: 03/28/2023] [Indexed: 04/01/2023] Open
Abstract
Chronic heat stress (CHS) compromised the immunity and spleen immunological function of pigs, which may associate with antioxidant suppression and splenocyte apoptosis and splenic inflammation. Selenium (Se) exhibited antioxidant function and immunomodulatory through selenoprotein. Thus, this study aimed to investigate the protective effect of dietary hydroxy-selenomethionine (Selisso®, SeO) on chronic heat stress (CHS)-induced porcine splenic oxidative stress, apoptosis and inflammation. Growing pigs were raised in the thermoneutral environment (22 ± 2 °C) with the basal diet (BD), or raised in hyperthermal conditions (33 ± 2 °C) with BD supplied with 0.0, 0.2, 0.4 and 0.6 mg Se/kg SeO for 28 d, respectively. The results showed that dietary SeO supplementation recovered the spleen mass and enhanced the splenic antioxidant capacity of CHS growing pigs. Meanwhile, SeO activated the Nrf2/Keap1 signal, downregulated p38, caspase 3 and Bax, inhibited the activation of NFκb and STAT3, and enhanced the protein expression level of GPX1, GPX3, GPX4, SELENOS and SELENOF. In summary, SeO supplementation mitigates the CHS-induced splenic oxidative damages, apoptosis and inflammation in pigs, and the processes are associated with the activation of Nrf2/Keap1 signal and the suppression of NFκb, p38(MAPK) and STAT signal. It seems that the antioxidant-related selenoproteins (GPXs) and functional selenoproteins (SELENOS and SELENOF) play important roles in the alleviation processes.
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Affiliation(s)
- Yan Liu
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Shenggang Yin
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Ying He
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Jiayong Tang
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Junning Pu
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Gang Jia
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Guangmang Liu
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Gang Tian
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Xiaoling Chen
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Jingyi Cai
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Bo Kang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China
| | - Lianqiang Che
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
| | - Hua Zhao
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education/Institute of Animal Nutrition, Sichuan Agricultural University, 610000 Chengdu, China
- Correspondence: ; Tel.: +86-1388-064-0271
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Rogachev VV, Goltyaev MV, Varlamova EG, Turovsky EA. Molecular Mechanisms of the Cytotoxic Effect of Recombinant Selenoprotein SELENOM on Human Glioblastoma Cells. Int J Mol Sci 2023; 24:ijms24076469. [PMID: 37047442 PMCID: PMC10094712 DOI: 10.3390/ijms24076469] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/26/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Currently, selenobiology is an actively developing area, primarily due to the study of the role of the trace element selenium and its organic and inorganic compounds in the regulation of vital processes occurring in the cell. In particular, the study of the functions of selenium nanoparticles has gained great popularity in recent years. However, a weak point in this area of biology is the study of the functions of selenoproteins, of which 25 have been identified in mammals to date. First of all, this is due to the difficulties in obtaining native forms of selenoproteins in preparative quantities, due to the fact that the amino acid selenocysteine is encoded by one of the three stop codons of the TGA universal genetic code. A complex system for recognizing a given codon as a selenocysteine codon has a number of features in pro- and eukaryotes. The selenoprotein SELENOM is one of the least studied mammalian selenoproteins. In this work, for the first time, studies of the molecular mechanisms of regulation of the cytotoxic effect of this protein on human glioblastoma cells were carried out. The cytotoxicity of cancer cells in our experiments was already observed when cells were exposed to 50 μg of SELENOM and increased in proportion to the increase in protein concentration. Apoptosis of human glioblastoma cells was accompanied by an increase in mRNA expression of a number of pro-apoptotic genes, an increase in endoplasmic reticulum stress, and activation of the UPR IRE1α signaling pathway. The results obtained also demonstrate a dose-dependent depletion of the Ca2+ pool under the action of SELENOM, which proves the important role of this protein in the regulation of calcium homeostasis in the cell.
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Mu J, Lei L, Zheng Y, Liu J, Li J, Li D, Wang G, Liu Y. Oxidative Stress Induced by Selenium Deficiency Contributes to Inflammation, Apoptosis and Necroptosis in the Lungs of Calves. Antioxidants (Basel) 2023; 12:antiox12040796. [PMID: 37107171 PMCID: PMC10135166 DOI: 10.3390/antiox12040796] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/19/2023] [Accepted: 03/22/2023] [Indexed: 04/29/2023] Open
Abstract
Selenium is an essential trace element for health that can only be obtained through food. However, the pathological processes of selenium deficiency in cattle have received little attention. This study investigated the effects of selenium deficiency on oxidative stress, apoptosis, inflammation, and necroptosis in the lungs of weaning calves compared with healthy calves as controls. The lung selenium content and the expression of 11 selenoproteins mRNA in selenium-deficient calves were substantially reduced compared with the controls. Pathological results showed engorged alveolar capillaries, thickened alveolar septa, and diffuse interstitial inflammation throughout the alveolar septa. The levels of GSH and T-AOC, as well as the CAT, SOD, and TrxR activities, were significantly decreased compared with healthy calves. MDA and H2O2 were significantly elevated. Meanwhile, the apoptosis activation in the Se-D group was validated. Next, in the Se-D group, several pro-inflammatory cytokines showed higher expression. Further research revealed that the lungs in the Se-D group experienced inflammation via hyperactive NF-κB and MAPK pathways. The high level of expression of c-FLIP, MLKL, RIPK1, and RIPK3 indicated that necroptosis also causes lung damage during selenium deficiency.
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Affiliation(s)
- Jing Mu
- Key Laboratory of Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Lei Lei
- Key Laboratory of Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Yingce Zheng
- College of Life Science, Northeast Agricultural University, Harbin 150030, China
| | - Jia Liu
- Veterinary Medical Teaching Hospital, Northeast Agricultural University, Harbin 150038, China
| | - Jie Li
- Key Laboratory of Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Ding Li
- Key Laboratory of Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
| | - Guanbo Wang
- Wellcome-Wolfson Institute for Experimental Medicine, Queen's University Belfast, Belfast BT7 1NN, UK
| | - Yun Liu
- Key Laboratory of Comparative Medicine, Department of Veterinary Surgery, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China
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Selenium Deficiency-Induced Oxidative Stress Causes Myocardial Injury in Calves by Activating Inflammation, Apoptosis, and Necroptosis. Antioxidants (Basel) 2023; 12:antiox12020229. [PMID: 36829789 PMCID: PMC9951920 DOI: 10.3390/antiox12020229] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 01/07/2023] [Accepted: 01/10/2023] [Indexed: 01/21/2023] Open
Abstract
Selenium (Se) is essential for human and animal health, but there have been few studies on the mechanisms of injury in dairy cows with Se deficiency. This study aimed to evaluate the effects of Se deficiency on myocardial injury in weaned calves. The Se-D group had significantly lower myocardial Se concentrations than the Se-C group. Histological analysis indicated that Se deficiency induced a large area of necrosis in the myocardium, accompanied by inflammatory changes. Se deficiency significantly decreased the expression of 10 of the 21 selenoprotein genes and increased the expression of SEPHS2. Furthermore, we found that oxidative stress occurred in the Se-D group by detection of redox-related indicators. Additionally, TUNEL staining showed that Se deficiency causes severe apoptosis in the myocardium, which was characterized by activating the exogenous apoptotic pathway and the mitochondrial apoptotic pathway. Se deficiency also induced necroptosis in the myocardium by upregulating MLKL, RIPK1, and RIPK3. Moreover, Se-deficient calves have severe inflammation in the myocardium. Se deficiency significantly reduced anti-inflammatory factor levels while increasing pro-inflammatory factor levels. We also found that the NF-κB pathway and MAPK pathway were activated in Se-deficient conditions. Our findings suggest that Se deficiency causes myocardial injury in weaned calves by regulating oxidative stress, inflammation, apoptosis, and necroptosis.
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12
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Behl S, Mehta S, Pandey MK. The role of selenoproteins in neurodevelopment and neurological function: Implications in autism spectrum disorder. Front Mol Neurosci 2023; 16:1130922. [PMID: 36969558 PMCID: PMC10034371 DOI: 10.3389/fnmol.2023.1130922] [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: 12/23/2022] [Accepted: 02/17/2023] [Indexed: 03/29/2023] Open
Abstract
Selenium and selenoproteins play a role in many biological functions, particularly in brain development and function. This review outlines the role of each class of selenoprotein in human brain function. Most selenoproteins play a large antioxidant role within the brain. Autism spectrum disorder (ASD) has been shown to correlate with increased oxidative stress, and the presumption of selenoproteins as key players in ASD etiology are discussed. Further, current literature surrounding selenium in ASD and selenium supplementation studies are reviewed. Finally, perspectives are given for future directions of selenoprotein research in ASD.
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Affiliation(s)
- Supriya Behl
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, United States
- Center for Childhood Cancer Research, Children’s Hospital of Philadelphia, Philadelphia, PA, United States
| | - Sunil Mehta
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, United States
| | - Mukesh K. Pandey
- Department of Radiology, Mayo Clinic, Rochester, MN, United States
- *Correspondence: Mukesh K. Pandey,
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13
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Liao C, Zhang F, Teng Z, Zhang G, Yang Y, Xu P, Huang X, Wang L, Yang F, Yang Z, Zhang X. Molecular characterization and expression analysis of selenoprotein W gene in rainbow trout (Oncorhynchus mykiss) with dietary selenium levels. Biometals 2022; 35:1359-1370. [PMID: 36261677 DOI: 10.1007/s10534-022-00451-z] [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: 04/19/2022] [Accepted: 09/21/2022] [Indexed: 12/14/2022]
Abstract
Selenium (Se) plays an essential role in the growth of fish and performs its physiological functions mainly through incorporation into selenoproteins. Our previous studies suggested that the selenoprotein W gene (selenow) is sensitive to changes in dietary Se in rainbow trout. However, the molecular characterization and tissue expression pattern of selenow are still unknown. Here, we revealed the molecular characterization, the tissue expression pattern of rainbow trout selenow and analyzed its response to dietary Se. The open reading frame (ORF) of the selenow gene was composed of 393 base pairs (bp) and encodes a 130-amino-acid protein. The 3' untranslated region (UTR) was 372 bp with a selenocysteine insertion sequence (SECIS) element. Remarkably, the rainbow trout selenow gene sequence was longer than those reported for mammals and most other fish. A β1-α1-β2-β3-β4-α2 pattern made up the secondary structure of SELENOW. Furthermore, multiple sequence alignment revealed that rainbow trout SELENOW showed a high level of identity with SELENOW from Salmo salar. In addition, the selenow gene was ubiquitously distributed in 13 tissues with various abundances and was predominantly expressed in muscle and brain. Interestingly, dietary Se significantly increased selenow mRNA expression in muscle. Our results highlight the vital role of selenow in rainbow trout muscle response to dietary Se levels and provide a theoretical basis for studies of selenow.
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Affiliation(s)
- Chenlei Liao
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Feng Zhang
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Zhenlei Teng
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Guirong Zhang
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Ying Yang
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Pengke Xu
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Xixuan Huang
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Li Wang
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China
| | - Fan Yang
- Angel Yeast Co., Ltd, Yichang, 443003, People's Republic of China
| | - Zhilong Yang
- Angel Yeast Co., Ltd, Yichang, 443003, People's Republic of China
| | - Xuezhen Zhang
- Engineering Research Center of Green Development for Conventional Aquatic Biological Industry in the Yangtze River Economic Belt, Ministry of Education, College of Fisheries, Huazhong Agricultural University, Shizishan street 1, Wuhan, 430070, People's Republic of China.
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14
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Liu Z, Cao Y, Ai Y, Yin X, Wang L, Wang M, Zhang B, Lian Z, Wu K, Guo Y, Han H. Microbiome and ileum transcriptome revealed the boosting effects of selenium yeast on egg production in aged laying hens. ANIMAL NUTRITION 2022; 10:124-136. [PMID: 35663374 PMCID: PMC9136271 DOI: 10.1016/j.aninu.2022.04.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 12/20/2021] [Accepted: 04/09/2022] [Indexed: 12/23/2022]
Abstract
The declines in laying performance during the late production period have adverse effects on the length of the production cycle. Improving the nutrition of laying hens is a crucial measure to reverse this declination. This study investigated the effect of selenium yeast (SY) on egg production, ileal gene expression and microbiota, as well as elucidating their associations in aged laying hens. A total of 375 Jinghong laying hens at 76 weeks old were randomly assigned into 5 dietary treatments, which included a selenium-deficient basal diet based on corn-soybean meal, and dietary supplementation of SY at 0.15, 0.30 and 0.45 mg/kg, and sodium selenite at 0.45 mg/kg. The results showed that SY ameliorated the depression in aged laying performance in the 0.30 mg/kg group (P < 0.01). Selenium yeast significantly increased ileum selenium concentration (P < 0.05), and SY groups had higher selenium deposition efficiency than the sodium selenite group. Functional enrichment and Short Time-series Expression Miner (STEM) analysis indicated that SY activated metabolic progress (e.g., glycerolipid metabolism, glycerophospholipid metabolism, and fatty acid metabolism), immune response and oxidative stress response. Four hub genes including thioredoxin reductase 1 (TXNRD1), dihydrolipoamide dehydrogenase (DLD), integrin linked kinase (ILK) and leucine zipper tumor suppressor 2 (LZTS2) were involved in intestinal metabolism which was closely associated with selenium deposition/status. Moreover, the relative abundance of Veillonella, Turicibacter and Lactobacillus was significantly increased, but the relative abundance of Stenotrophomonas was significantly decreased by SY supplementation. Multi-omics data integration and Canonical correspondence analysis (CCA) showed that both the ileum selenium content and the laying rate were highly correlated with pathways and bacteria enriched in metabolism and immune response. Meanwhile, the “switched on” gene prostate stem cell antigen (PSCA) had a positive relationship with Veillonella and a negative relationship with the opportunistic pathogens Stenotrophomonas. Overall, our study offered insight for the further exploration of the role of SY on boosting egg production and balancing ileum intestinal flora in aged laying hens.
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Affiliation(s)
- Zhexi Liu
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yutao Cao
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yue Ai
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Xiaonan Yin
- Beijing Alltech Biological Products (China) Co., Ltd., Beijing, China
| | - Linli Wang
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Mengyao Wang
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Bingkun Zhang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Zhengxing Lian
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Keliang Wu
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Yuming Guo
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Corresponding authors.
| | - Hongbing Han
- Beijing Key Laboratory of Animal Genetic Improvement, College of Animal Science and Technology, China Agricultural University, Beijing, China
- National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Key Laboratory of Animal Genetics, Breeding and Reproduction of the Ministry of Agriculture and Rural Affairs, College of Animal Science and Technology, China Agricultural University, Beijing, China
- Corresponding authors.
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15
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Jehan C, Cartier D, Bucharles C, Anouar Y, Lihrmann I. Emerging roles of ER-resident selenoproteins in brain physiology and physiopathology. Redox Biol 2022; 55:102412. [PMID: 35917681 PMCID: PMC9344019 DOI: 10.1016/j.redox.2022.102412] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 07/05/2022] [Accepted: 07/14/2022] [Indexed: 12/23/2022] Open
Abstract
The brain has a very high oxygen consumption rate and is particularly sensitive to oxidative stress. It is also the last organ to suffer from a loss of selenium (Se) in case of deficiency. Se is a crucial trace element present in the form of selenocysteine, the 21st proteinogenic amino acid present in selenoproteins, an essential protein family in the brain that participates in redox signaling. Among the most abundant selenoproteins in the brain are glutathione peroxidase 4 (GPX4), which reduces lipid peroxides and prevents ferroptosis, and selenoproteins W, I, F, K, M, O and T. Remarkably, more than half of them are proteins present in the ER and recent studies have shown their involvement in the maintenance of ER homeostasis, glycoprotein folding and quality control, redox balance, ER stress response signaling pathways and Ca2+ homeostasis. However, their molecular functions remain mostly undetermined. The ER is a highly specialized organelle in neurons that maintains the physical continuity of axons over long distances through its continuous distribution from the cell body to the nerve terminals. Alteration of this continuity can lead to degeneration of distal axons and subsequent neuronal death. Elucidation of the function of ER-resident selenoproteins in neuronal pathophysiology may therefore become a new perspective for understanding the pathophysiology of neurological diseases. Here we summarize what is currently known about each of their molecular functions and their impact on the nervous system during development and stress.
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Affiliation(s)
- Cédric Jehan
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuroendocrine, Endocrine and Germinal Differenciation and Communication Laboratory, Mont-Saint-Aignan Cedex, France; Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Dorthe Cartier
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuroendocrine, Endocrine and Germinal Differenciation and Communication Laboratory, Mont-Saint-Aignan Cedex, France; Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Christine Bucharles
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuroendocrine, Endocrine and Germinal Differenciation and Communication Laboratory, Mont-Saint-Aignan Cedex, France; Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Youssef Anouar
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuroendocrine, Endocrine and Germinal Differenciation and Communication Laboratory, Mont-Saint-Aignan Cedex, France; Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Isabelle Lihrmann
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuroendocrine, Endocrine and Germinal Differenciation and Communication Laboratory, Mont-Saint-Aignan Cedex, France; Institute for Research and Innovation in Biomedicine, Rouen, France.
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16
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Bjørklund G, Rahaman MS, Shanaida M, Lysiuk R, Oliynyk P, Lenchyk L, Chirumbolo S, Chasapis CT, Peana M. Natural Dietary Compounds in the Treatment of Arsenic Toxicity. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27154871. [PMID: 35956821 PMCID: PMC9370003 DOI: 10.3390/molecules27154871] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/23/2022] [Accepted: 07/27/2022] [Indexed: 12/22/2022]
Abstract
Chronic exposure to arsenic (As) compounds leads to its accumulation in the body, with skin lesions and cancer being the most typical outcomes. Treating As-induced diseases continues to be challenging as there is no specific, safe, and efficacious therapeutic management. Therapeutic and preventive measures available to combat As toxicity refer to chelation therapy, antioxidant therapy, and the intake of natural dietary compounds. Although chelation therapy is the most commonly used method for detoxifying As, it has several side effects resulting in various toxicities such as hepatotoxicity, neurotoxicity, and other adverse consequences. Drugs of plant origin and natural dietary compounds show efficient and progressive relief from As-mediated toxicity without any particular side effects. These natural compounds have also been found to aid the elimination of As from the body and, therefore, can be more effective than conventional therapeutic agents in ameliorating As toxicity. This review provides an overview of the recently updated knowledge on treating As poisoning through natural dietary compounds. This updated information may serve as a basis for defining novel prophylactic and therapeutic formulations.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine, Toften 24, 8610 Mo i Rana, Norway
- Correspondence: (G.B.); (M.P.)
| | - Md. Shiblur Rahaman
- Department of Environmental and Preventive Medicine, Jichi Medical University School of Medicine, Shimotsuke 329-0498, Japan; or
- Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Mariia Shanaida
- Department of Pharmacognosy and Medical Botany, I. Horbachevsky Ternopil National Medical University, 46001 Ternopil, Ukraine;
| | - Roman Lysiuk
- Department of Pharmacognosy and Botany, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine;
- CONEM Ukraine Life Science Research Group, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine
| | - Petro Oliynyk
- Department of Disaster Medicine and Military Medicine, Danylo Halytsky Lviv National Medical University, 79010 Lviv, Ukraine;
| | - Larysa Lenchyk
- Department of Chemistry of Natural Compounds, National University of Pharmacy, 61002 Kharkiv, Ukraine;
- CONEM Ukraine Pharmacognosy and Natural Product Chemistry Research Group, National University of Pharmacy, 61002 Kharkiv, Ukraine
| | - Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy;
- CONEM Scientific Secretary, strada Le Grazie 9, 37134 Verona, Italy
| | - Christos T. Chasapis
- NMR Facility, Instrumental Analysis Laboratory, School of Natural Sciences, University of Patras, 265 04 Patras, Greece;
| | - Massimiliano Peana
- Department of Chemical, Physics, Mathematics and Natural Sciences, University of Sassari, Via Vienna 2, 07100 Sassari, Italy
- Correspondence: (G.B.); (M.P.)
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17
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Crystallographic mining of ASK1 regulators to unravel the intricate PPI interfaces for the discovery of small molecule. Comput Struct Biotechnol J 2022; 20:3734-3754. [PMID: 35891784 PMCID: PMC9294202 DOI: 10.1016/j.csbj.2022.07.008] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 07/04/2022] [Accepted: 07/04/2022] [Indexed: 11/22/2022] Open
Abstract
Protein seldom performs biological activities in isolation. Understanding the protein–protein interactions’ physical rewiring in response to pathological conditions or pathogen infection can help advance our comprehension of disease etiology, progression, and pathogenesis, which allow us to explore the alternate route to control the regulation of key target interactions, timely and effectively. Nonalcoholic steatohepatitis (NASH) is now a global public health problem exacerbated due to the lack of appropriate treatments. The most advanced anti-NASH lead compound (selonsertib) is withdrawn, though it is able to inhibit its target Apoptosis signal-regulating kinase 1 (ASK1) completely, indicating the necessity to explore alternate routes rather than complete inhibition. Understanding the interaction fingerprints of endogenous regulators at the molecular level that underpin disease formation and progression may spur the rationale of designing therapeutic strategies. Based on our analysis and thorough literature survey of the various key regulators and PTMs, the current review emphasizes PPI-based drug discovery’s relevance for NASH conditions. The lack of structural detail (interface sites) of ASK1 and its regulators makes it challenging to characterize the PPI interfaces. This review summarizes key regulators interaction fingerprinting of ASK1, which can be explored further to restore the homeostasis from its hyperactive states for therapeutics intervention against NASH.
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Key Words
- ASK1
- ASK1, Apoptosis signal-regulating kinase 1
- CFLAR, CASP8 and FADD-like apoptosis regulator
- CREG, Cellular repressor of E1A-stimulated genes
- DKK3, Dickkopf-related protein 3
- Interaction fingerprint
- NAFLD, Non-alcoholic fatty liver disease
- NASH
- NASH, Nonalcoholic steatohepatitis
- PPI, Protein-protein interaction
- PTM, Post-trancriptional modification
- PTMs
- Protein-protein interaction
- TNFAIP3, TNF Alpha Induced Protein 3
- TRAF2/6, Tumor necrosis factor receptor (TNFR)-associated factor2/6
- TRIM48, Tripartite Motif Containing 48
- TRX, Thioredoxin
- USP9X, Ubiquitin Specific Peptidase 9 X-Linked
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18
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Pothion H, Lihrmann I, Duclos C, Riou G, Cartier D, Boukhzar L, Lefranc B, Leprince J, Guérout N, Marie JP, Anouar Y. The SELENOT mimetic PSELT promotes nerve regeneration by increasing axonal myelination in a facial nerve injury model in female rats. J Neurosci Res 2022; 100:1721-1731. [PMID: 35730417 PMCID: PMC9545325 DOI: 10.1002/jnr.25098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 03/17/2022] [Accepted: 06/06/2022] [Indexed: 01/31/2023]
Abstract
Peripheral nerve injury (PNI) is frequent and many patients suffer lifelong disabilities in severe cases. Although the peripheral nervous system is able to regenerate, its potential is limited. In this study, we tested in a nerve regeneration model in rat the potential beneficial effect of a short mimetic peptide, named PSELT, which derives from SELENOT, an essential thioredoxin-like selenoprotein endowed with neuroprotective and antioxidant activities. For this purpose, the right facial nerve of female Long-Evans rats was axotomized then bridged with a free femoral vein interposition graft. PSELT (1 μM) was injected into the vein immediately and 48 h after the injury, and the effects observed were compared to those found after an end-to-end suture used as a gold standard treatment. Whisking behavior, electrophysiological potential, and histological analyses were performed 3 months after injury to determine the effects of these treatments. These analyses revealed that PSELT-treated animals exhibit a better motor recovery in terms of protraction amplitude and velocity of vibrissae compared to control and end-sutured nerve animal groups. Moreover, administration of PSELT following injury enhanced muscle innervation, axonal elongation, and myelination of newly formed nerve fibers. Altogether, these results indicate that a PSELT-based treatment is sufficient to enhance facial nerve myelination and regeneration and could represent a new therapeutic tool to treat PNI.
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Affiliation(s)
- Hugo Pothion
- Normandie Univ, UNIROUEN, INSERM U1239, Neuroendocrine, Endocrine and Germinal Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Normandie Univ, UNIROUEN, UR 3830, Groupe de Recherche sur l'Handicap Ventilatoire et Neurologique, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Fédération Hospitalo-Universitaire (FHU) Surface, Rouen, France
| | - Isabelle Lihrmann
- Normandie Univ, UNIROUEN, INSERM U1239, Neuroendocrine, Endocrine and Germinal Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Celia Duclos
- Normandie Univ, UNIROUEN, UR 3830, Groupe de Recherche sur l'Handicap Ventilatoire et Neurologique, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Gaëtan Riou
- Normandie Univ, UNIROUEN, INSERM U1234, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Dorthe Cartier
- Normandie Univ, UNIROUEN, INSERM U1239, Neuroendocrine, Endocrine and Germinal Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Loubna Boukhzar
- Normandie Univ, UNIROUEN, INSERM U1239, Neuroendocrine, Endocrine and Germinal Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Benjamin Lefranc
- Normandie Univ, UNIROUEN, INSERM U1239, Neuroendocrine, Endocrine and Germinal Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Normandie Univ, UNIROUEN, UMS-UAR HERACLES, PRIMACEN, Cell Imaging Platform of Normandy, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Jérôme Leprince
- Normandie Univ, UNIROUEN, INSERM U1239, Neuroendocrine, Endocrine and Germinal Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Normandie Univ, UNIROUEN, UMS-UAR HERACLES, PRIMACEN, Cell Imaging Platform of Normandy, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France
| | - Nicolas Guérout
- Normandie Univ, UNIROUEN, UR 3830, Groupe de Recherche sur l'Handicap Ventilatoire et Neurologique, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Fédération Hospitalo-Universitaire (FHU) Surface, Rouen, France
| | - Jean-Paul Marie
- Normandie Univ, UNIROUEN, UR 3830, Groupe de Recherche sur l'Handicap Ventilatoire et Neurologique, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Fédération Hospitalo-Universitaire (FHU) Surface, Rouen, France.,Otorhinolaryngology and Head Neck Surgery Department, Rouen University Hospital, Rouen, France
| | - Youssef Anouar
- Normandie Univ, UNIROUEN, INSERM U1239, Neuroendocrine, Endocrine and Germinal Differentiation and Communication Laboratory, Institute for Research and Innovation in Biomedicine (IRIB), Rouen, France.,Fédération Hospitalo-Universitaire (FHU) Surface, Rouen, France
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19
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Varlamova EG, Goltyaev MV, Turovsky EA. The Role of Selenoproteins SELENOM and SELENOT in the Regulation of Apoptosis, ER Stress, and Calcium Homeostasis in the A-172 Human Glioblastoma Cell Line. BIOLOGY 2022; 11:biology11060811. [PMID: 35741332 PMCID: PMC9220170 DOI: 10.3390/biology11060811] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 05/22/2022] [Accepted: 05/23/2022] [Indexed: 02/01/2023]
Abstract
Simple Summary In this work, we present for the first time the effects of the suppression of the activity of poorly studied selenoproteins SELENOM and SELENOT in human glioblastoma cells, which is extremely important for understanding the functions of these proteins in brain cells. It has been shown that despite the structural similarity of these proteins, they affect the viability of these cancer cells in different ways, affecting various molecular mechanisms of regulation of pro-apoptotic genes, ER stress markers, and their physiological partners, as well as the regulation of cytosolic calcium. Abstract It is known that seven mammalian selenoproteins are localized in the endoplasmic reticulum: SELENOM, SELENOT, SELENOF, SELENOK, SELENOS, SELENON, and DIO2. Among them, SELENOM and SELENOT are the least studied; therefore, the study of their function using the widespread method of suppressing the expression of genes encoding these proteins and the activity of the enzymes themselves by RNA interference is of great interest. We have shown that a decrease in the expression of SELENOM and SELENOT mRNA in the A-172 human glioblastoma cell line by more than 10 times and the quantitative content of enzymes by more than 3 times leads to ER stress, expressed as a decrease in the ER capacity for storing Ca2+ ions. At the level of regulation of apoptotic processes, SELENOM knockdown leads to an increase in the expression of pro-apoptotic CHOP, GADD34, PUMA, and BIM genes, but a compensatory increase in the levels of SELENOT and antioxidant genes from the group of glutathione peroxidases and thioredoxins did not induce cell death. Knockdown of SELENOT had the opposite effect, reducing the expression of pro-apoptotic proteins and regulating the level of a smaller number of genes encoding antioxidant enzymes, which also did not affect the baseline level of apoptosis in the studied cells. At the same time, ER stress induced by MSA or SeNPs induced a more pronounced pro-apoptotic effect in SELENOT knockdown cells through suppression of the expression of selenium-containing antioxidant proteins. Thus, in this work, for the first time, the mechanisms of fine regulation of the processes of apoptosis, cell proliferation, and ER stress by two ER resident proteins, SELENOM and SELENOT, are touched upon, which is not only fundamental but also applied to clinical importance due to the close relationship between the calcium signaling system of cells, folding proteins-regulators of apoptosis and cell survival pathways.
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Hydroxy Selenomethionine Alleviates Hepatic Lipid Metabolism Disorder of Pigs Induced by Dietary Oxidative Stress via Relieving the Endoplasmic Reticulum Stress. Antioxidants (Basel) 2022; 11:antiox11030552. [PMID: 35326202 PMCID: PMC8945048 DOI: 10.3390/antiox11030552] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/10/2022] [Accepted: 03/11/2022] [Indexed: 11/18/2022] Open
Abstract
This study used 40 castrated male pigs to determine the protective effects of a new selenium molecule (hydroxy selenomethionine, OH-SeMet) on dietary oxidative stress (DOS) induced hepatic lipid metabolism disorder, and corresponding response of selenotranscriptome. The pigs were randomly grouped into 5 dietary treatments and fed a basal diet formulated with either normal corn and oils or oxidized diet in which the normal corn and oils were replaced by aged corn and oxidized oils, and supplemented with OH-SeMet at 0.0, 0.3, 0.6 and 0.9 mg Se/kg for a period of 16 weeks (n = 8). The results showed that DOS induced liver damage, increased serum alanine aminotransferase (ALT) and alkaline phosphatase (ALP) levels, decreased serum triacylglycerol (TG) level, suppressed antioxidant capacity in the liver, and changed lipid metabolism enzyme activity, thus causing lipid metabolism disorder in the liver. The DOS-induced lipid metabolism disorder was accompanied with endoplasmic reticulum (ER) stress, changes in lipid metabolism-related genes and selenotranscriptome in the liver. Dietary Se supplementation partially alleviated the negative impact of DOS on the lipid metabolism. These improvements were accompanied by increases in Se concentration, liver index, anti-oxidative capacity, selenotranscriptome especially 11 selenoprotein-encoding genes, and protein abundance of GPX1, GPX4 and SelS in the liver, as well as the decrease in SelF abundance. The Se supplementation also alleviated ER stress, restored liver lipid metabolism enzyme activity, increased the mRNA expression of lipid synthesis-related genes, and decreased the mRNA levels of lipidolysis-related genes. In conclusion, the dietary Se supplementation restored antioxidant capacity and mitigated ER stress induced by DOS, thus resisting hepatic lipid metabolism disorders that are associated with regulation of selenotranscriptome.
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21
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Tsuji PA, Santesmasses D, Lee BJ, Gladyshev VN, Hatfield DL. Historical Roles of Selenium and Selenoproteins in Health and Development: The Good, the Bad and the Ugly. Int J Mol Sci 2021; 23:ijms23010005. [PMID: 35008430 PMCID: PMC8744743 DOI: 10.3390/ijms23010005] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 12/15/2021] [Accepted: 12/16/2021] [Indexed: 12/25/2022] Open
Abstract
Selenium is a fascinating element that has a long history, most of which documents it as a deleterious element to health. In more recent years, selenium has been found to be an essential element in the diet of humans, all other mammals, and many other life forms. It has many health benefits that include, for example, roles in preventing heart disease and certain forms of cancer, slowing AIDS progression in HIV patients, supporting male reproduction, inhibiting viral expression, and boosting the immune system, and it also plays essential roles in mammalian development. Elucidating the molecular biology of selenium over the past 40 years generated an entirely new field of science which encompassed the many novel features of selenium. These features were (1) how this element makes its way into protein as the 21st amino acid in the genetic code, selenocysteine (Sec); (2) the vast amount of machinery dedicated to synthesizing Sec uniquely on its tRNA; (3) the incorporation of Sec into protein; and (4) the roles of the resulting Sec-containing proteins (selenoproteins) in health and development. One of the research areas receiving the most attention regarding selenium in health has been its role in cancer prevention, but further research has also exposed the role of this element as a facilitator of various maladies, including cancer.
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Affiliation(s)
- Petra A. Tsuji
- Department of Biological Sciences, Towson University, 8000 York Rd., Towson, MD 21252, USA
- Correspondence:
| | - Didac Santesmasses
- Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02215, USA; (D.S.); (V.N.G.)
| | - Byeong J. Lee
- School of Biological Sciences, College of Natural Sciences, Seoul National University, Seoul 08826, Korea;
| | - Vadim N. Gladyshev
- Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02215, USA; (D.S.); (V.N.G.)
| | - Dolph L. Hatfield
- Scientist Emeritus, Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA;
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22
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Markley RL, Restori KH, Katkere B, Sumner SE, Nicol MJ, Tyryshkina A, Nettleford SK, Williamson DR, Place DE, Dewan KK, Shay AE, Carlson BA, Girirajan S, Prabhu KS, Kirimanjeswara GS. Macrophage Selenoproteins Restrict Intracellular Replication of Francisella tularensis and Are Essential for Host Immunity. Front Immunol 2021; 12:701341. [PMID: 34777335 PMCID: PMC8586653 DOI: 10.3389/fimmu.2021.701341] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Accepted: 09/24/2021] [Indexed: 12/13/2022] Open
Abstract
The essential micronutrient Selenium (Se) is co-translationally incorporated as selenocysteine into proteins. Selenoproteins contain one or more selenocysteines and are vital for optimum immunity. Interestingly, many pathogenic bacteria utilize Se for various biological processes suggesting that Se may play a role in bacterial pathogenesis. A previous study had speculated that Francisella tularensis, a facultative intracellular bacterium and the causative agent of tularemia, sequesters Se by upregulating Se-metabolism genes in type II alveolar epithelial cells. Therefore, we investigated the contribution of host vs. pathogen-associated selenoproteins in bacterial disease using F. tularensis as a model organism. We found that F. tularensis was devoid of any Se utilization traits, neither incorporated elemental Se, nor exhibited Se-dependent growth. However, 100% of Se-deficient mice (0.01 ppm Se), which express low levels of selenoproteins, succumbed to F. tularensis-live vaccine strain pulmonary challenge, whereas 50% of mice on Se-supplemented (0.4 ppm Se) and 25% of mice on Se-adequate (0.1 ppm Se) diet succumbed to infection. Median survival time for Se-deficient mice was 8 days post-infection while Se-supplemented and -adequate mice was 11.5 and >14 days post-infection, respectively. Se-deficient macrophages permitted significantly higher intracellular bacterial replication than Se-supplemented macrophages ex vivo, corroborating in vivo observations. Since Francisella replicates in alveolar macrophages during the acute phase of pneumonic infection, we hypothesized that macrophage-specific host selenoproteins may restrict replication and systemic spread of bacteria. F. tularensis infection led to an increased expression of several macrophage selenoproteins, suggesting their key role in limiting bacterial replication. Upon challenge with F. tularensis, mice lacking selenoproteins in macrophages (TrspM) displayed lower survival and increased bacterial burden in the lung and systemic tissues in comparison to WT littermate controls. Furthermore, macrophages from TrspM mice were unable to restrict bacterial replication ex vivo in comparison to macrophages from littermate controls. We herein describe a novel function of host macrophage-specific selenoproteins in restriction of intracellular bacterial replication. These data suggest that host selenoproteins may be considered as novel targets for modulating immune response to control a bacterial infection.
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Affiliation(s)
- Rachel L. Markley
- Pathobiology Graduate Program, The Pennsylvania State University, University Park, PA, United States,Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States,Department of Cardiovascular and Metabolic Sciences, Lerner Research Institute, Cleveland Clinic, Cleveland, OH, United States
| | - Katherine H. Restori
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States
| | - Bhuvana Katkere
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States
| | - Sarah E. Sumner
- Pathobiology Graduate Program, The Pennsylvania State University, University Park, PA, United States,Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States
| | - McKayla J. Nicol
- Pathobiology Graduate Program, The Pennsylvania State University, University Park, PA, United States,Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States
| | - Anastasia Tyryshkina
- Neuroscience Graduate Program, Huck Institute of the Life Sciences, The Pennsylvania State University, University Park, PA, United States,Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, United States
| | - Shaneice K. Nettleford
- Pathobiology Graduate Program, The Pennsylvania State University, University Park, PA, United States,Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States
| | - David R. Williamson
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States
| | - David E. Place
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States,Department of Immunology, St. Jude Children’s Research Hospital, Memphis, TN, United States
| | - Kalyan K. Dewan
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States,Department of Infectious Diseases, The University of Georgia, Athens, GA, United States
| | - Ashley E. Shay
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States,Center for Experimental Therapeutics and Reperfusion Injury, Department of Anesthesiology, Perioperative and Pain Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Bradley A. Carlson
- Office of Research Support, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Santhosh Girirajan
- Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, PA, United States
| | - K. Sandeep Prabhu
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States,Center for Molecular Immunology and Infectious Disease, The Pennsylvania State University, University Park, PA, United States
| | - Girish S. Kirimanjeswara
- Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, United States,Center for Molecular Immunology and Infectious Disease, The Pennsylvania State University, University Park, PA, United States,*Correspondence: Girish S. Kirimanjeswara,
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23
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Hydroxy Selenomethionine Improves Meat Quality through Optimal Skeletal Metabolism and Functions of Selenoproteins of Pigs under Chronic Heat Stress. Antioxidants (Basel) 2021; 10:antiox10101558. [PMID: 34679693 PMCID: PMC8533020 DOI: 10.3390/antiox10101558] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 09/27/2021] [Accepted: 09/27/2021] [Indexed: 11/16/2022] Open
Abstract
Chronic heat stress (CHS) induces metabolic changes in skeletal muscle from growth to maintenance that jeopardizes growth performance, carcass traits, and meat quality of pigs. We investigated the protective effect of dietary organic selenium (hydroxy-4-methylselenobutanoic acid, OH-SeMet) on CHS-induced skeletal muscle damages of growing pigs, and the corresponding responses of selenoproteins. A total of 40 ((Landrace ×Yorkshire) × Duroc) pigs with an average live weight of 49.64 ± 2.48 kg were used in this 4-week trial. Pigs were randomly allotted to 5 groups: The control group was raised on a basal diet in a thermoneutral environment (22 ± 2 °C); and four CHS groups were raised on a basal diet and supplemented with Se 0.0, 0.2, 0.4, and 0.6 mg/kg as OH-SeMet, respectively, in hyperthermal condition (33 ± 2 °C). CHS resulted in significant decrease of growth performance, carcass traits, and meat quality, which were associated with reduced (p < 0.05) serum alkaline phosphatase (ALP) and total superoxide dismutase (T-SOD) and increased (p < 0.05) serum creatine (CK), sarcous heat shock protein 70 (HSP70), glucokinase (GCK), phosphoenolpyruvate carboxykinase (PEPCK), and malondialdehyde (MDA) contents. Meanwhile, four metabolism-related genes and seven selenoprotein encoding genes were abnormally expressed in skeletal muscle. Dietary OH-SeMet addition partially alleviated the negative impact of CHS on carcass traits and improved meat quality. These improvements were accompanied by the increase in Se deposition, the anti-oxidative capacity of serum and muscle, and protein abundance of GPX1, GPX3, GPX4, and SELENOP. Supplementation with 0.6 mg Se/kg (OH-SeMet) restored the sarcous PEPCK, and 0.4 and 0.6 mg Se/kg (OH-SeMet) restored all abnormally expressed metabolism-related and selenoprotein encoding genes. In summary, dietary supplementation with OH-SeMet beyond Se requirement mitigated CHS-induced depression of carcass traits and meat quality of pigs associated with optimal skeletal metabolism, enhanced antioxidant capacity, and regulation of selenoproteins in skeletal muscle of pigs.
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Hemkemeyer M, Schwalb SA, Heinze S, Joergensen RG, Wichern F. Functions of elements in soil microorganisms. Microbiol Res 2021; 252:126832. [PMID: 34508963 DOI: 10.1016/j.micres.2021.126832] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 07/23/2021] [Accepted: 07/26/2021] [Indexed: 12/15/2022]
Abstract
The soil microbial community fulfils various functions, such as nutrient cycling and carbon (C) sequestration, therefore contributing to maintenance of soil fertility and mitigation of global warming. In this context, a major focus of research has been on C, nitrogen (N) and phosphorus (P) cycling. However, from aquatic and other environments, it is well known that other elements beyond C, N, and P are essential for microbial functioning. Nonetheless, for soil microorganisms this knowledge has not yet been synthesised. To gain a better mechanistic understanding of microbial processes in soil systems, we aimed at summarising the current knowledge on the function of a range of essential or beneficial elements, which may affect the efficiency of microbial processes in soil. This knowledge is discussed in the context of microbial driven nutrient and C cycling. Our findings may support future investigations and data evaluation, where other elements than C, N, and P affect microbial processes.
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Affiliation(s)
- Michael Hemkemeyer
- Department of Soil Science and Plant Nutrition, Institute of Biogenic Resources in Sustainable Food Systems - From Farm to Function, Rhine-Waal University of Applied Sciences, Marie-Curie-Str. 1, 47533 Kleve, Germany.
| | - Sanja A Schwalb
- Department of Soil Science and Plant Nutrition, Institute of Biogenic Resources in Sustainable Food Systems - From Farm to Function, Rhine-Waal University of Applied Sciences, Marie-Curie-Str. 1, 47533 Kleve, Germany
| | - Stefanie Heinze
- Department of Soil Science & Soil Ecology, Ruhr-University Bochum, Universitätsstr. 150, 44801 Bochum, Germany
| | - Rainer Georg Joergensen
- Department of Soil Biology and Plant Nutrition, University of Kassel, Nordbahnhofstr. 1a, 37213 Witzenhausen, Germany
| | - Florian Wichern
- Department of Soil Science and Plant Nutrition, Institute of Biogenic Resources in Sustainable Food Systems - From Farm to Function, Rhine-Waal University of Applied Sciences, Marie-Curie-Str. 1, 47533 Kleve, Germany
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Cao L, Pechan T, Lee S, Cheng WH. Identification of Selenoprotein H Isoforms and Impact of Selenoprotein H Overexpression on Protein But Not mRNA Levels of 2 Other Selenoproteins in 293T Cells. J Nutr 2021; 151:3329-3338. [PMID: 34510207 PMCID: PMC9034323 DOI: 10.1093/jn/nxab290] [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: 06/09/2021] [Revised: 06/16/2021] [Accepted: 08/06/2021] [Indexed: 11/12/2022] Open
Abstract
BACKGROUND Selenoprotein H (SELONOH), a member of the thioredoxin-like family proteins, is prioritized to degradation in selenium (Se) insufficiency. Recent studies implicate protective roles of SELENOH in oxidative stress, cellular senescence, and intestinal tumorigenesis. Although the nonselenoprotein H0YE28 is suggested as shortened SELENOH according to genomic and proteomic data repositories, this variant has not been verified biochemically. OBJECTIVES We sought to identify SELENOH isoforms and explore the impact of Se flux on selenoprotein expression in SELENOH-overexpressing cells. METHODS A vector expressing a FLAG (the DYKDDDDK sequence) tag on the N-terminal end of wild-type SELENOH was constructed and transiently transfected into 293T cells incubated with graded concentrations of Na2SeO3 (0-200 nM). Cells were subjected to immunoprecipitation, LC-MS/MS protein analysis, immunoblotting, qRT-PCR, and senescence assays. Data were analyzed by 1-way or 2-way ANOVA. RESULTS Results of anti-FLAG immunoblotting showed that FLAG-SELENOH transfection increased (3.7-fold; P < 0.05) protein levels of the long, but not the short, SELENOH variants in the presence of Na2SeO3 (100 nM). By contrast, SELENOH mRNA levels were increased by 53-fold upon FLAG-SELENOH transfection but were comparable with or without supplemental Se (100 nM). LC-MS/MS analyses of anti-FLAG immunoprecipitates designated both anti-FLAG bands as SELENOH and co-identified three 60S ribosomal and 9 other proteins. Overexpression of FLAG-SELENOH 1) reduced glutathione peroxidase 1 and thioredoxin reductase 1 expression at the protein rather than the mRNA level in the absence but not presence of supplemental Se (100 nM; P < 0.05); 2) increased mRNA levels of 3 heat shock proteins (HSP27, HSP70-1A, and HSP70-1B; P < 0.05); and 3) reduced senescence induced by H2O2 (20 μM, 4 hours; P < 0.05). CONCLUSIONS These cellular studies demonstrate a Se-independent, shortened SELENOH variant and suggest competition of overexpressed FLAG-SELENOH with 2 other selenoproteins for the expression at the protein but not the mRNA level in Se insufficiency.
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Affiliation(s)
- Lei Cao
- Departments of Food Science, Nutrition, and Health Promotion, Mississippi
State University, Mississippi State, MS, USA,Institute of Marine Life Science, Pukyong National
University, Busan, Republic
of Korea
| | - Tibor Pechan
- Institute for Genomics, Biocomputing and Biotechnology, Mississippi State
University, Mississippi State, MS, USA
| | - Sanggil Lee
- Department of Food Science and Nutrition, Pukyong National
University, Busan, Republic
of Korea
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26
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Li K, Feng T, Liu L, Liu H, Huang K, Zhou J. Hepatic Proteomic Analysis of Selenoprotein T Knockout Mice by TMT: Implications for the Role of Selenoprotein T in Glucose and Lipid Metabolism. Int J Mol Sci 2021; 22:ijms22168515. [PMID: 34445217 PMCID: PMC8395235 DOI: 10.3390/ijms22168515] [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: 07/12/2021] [Revised: 08/01/2021] [Accepted: 08/04/2021] [Indexed: 12/14/2022] Open
Abstract
Selenoprotein T (SELENOT, SelT), a thioredoxin-like enzyme, exerts an essential oxidoreductase activity in the endoplasmic reticulum. However, its precise function remains unknown. To gain more understanding of SELENOT function, a conventional global Selenot knockout (KO) mouse model was constructed for the first time using the CRISPR/Cas9 technique. Deletion of SELENOT caused male sterility, reduced size/body weight, lower fed and/or fasting blood glucose levels and lower fasting serum insulin levels, and improved blood lipid profile. Tandem mass tag (TMT) proteomics analysis was conducted to explore the differentially expressed proteins (DEPs) in the liver of male mice, revealing 60 up-regulated and 94 down-regulated DEPs in KO mice. The proteomic results were validated by western blot of three selected DEPs. The elevated expression of Glycogen [starch] synthase, liver (Gys2) is consistent with the hypoglycemic phenotype in KO mice. Furthermore, the bioinformatics analysis showed that Selenot-KO-induced DEPs were mainly related to lipid metabolism, cancer, peroxisome proliferator-activated receptor (PPAR) signaling pathway, complement and coagulation cascades, and protein digestion and absorption. Overall, these findings provide a holistic perspective into SELENOT function and novel insights into the role of SELENOT in glucose and lipid metabolism, and thus, enhance our understanding of SELENOT function.
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Affiliation(s)
- Ke Li
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China; (K.L.); (T.F.); (L.L.); (H.L.); (K.H.)
| | - Tiejun Feng
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China; (K.L.); (T.F.); (L.L.); (H.L.); (K.H.)
| | - Leyan Liu
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China; (K.L.); (T.F.); (L.L.); (H.L.); (K.H.)
| | - Hongmei Liu
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China; (K.L.); (T.F.); (L.L.); (H.L.); (K.H.)
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518057, China
| | - Kaixun Huang
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China; (K.L.); (T.F.); (L.L.); (H.L.); (K.H.)
| | - Jun Zhou
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, China; (K.L.); (T.F.); (L.L.); (H.L.); (K.H.)
- Shenzhen Huazhong University of Science and Technology Research Institute, Shenzhen 518057, China
- Correspondence:
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27
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Mechanisms of the Cytotoxic Effect of Selenium Nanoparticles in Different Human Cancer Cell Lines. Int J Mol Sci 2021; 22:ijms22157798. [PMID: 34360564 PMCID: PMC8346078 DOI: 10.3390/ijms22157798] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/17/2021] [Accepted: 07/20/2021] [Indexed: 02/06/2023] Open
Abstract
In recent decades, studies on the functional features of Se nanoparticles (SeNP) have gained great popularity due to their high biocompatibility, stability, and pronounced selectivity. A large number of works prove the anticarcinogenic effect of SeNP. In this work, the molecular mechanisms regulating the cytotoxic effects of SeNP, obtained by laser ablation, were studied by the example of four human cancer cell lines: A-172 (glioblastoma), Caco-2, (colorectal adenocarcinoma), DU-145 (prostate carcinoma), MCF-7 (breast adenocarcinoma). It was found that SeNP had different concentration-dependent effects on cancer cells of the four studied human lines. SeNP at concentrations of less than 1 μg/mL had no cytotoxic effect on the studied cancer cells, with the exception of the A-172 cell line, for which 0.5 μg/mL SeNP was the minimum concentration affecting its metabolic activity. It was shown that SeNP concentration-dependently caused cancer cell apoptosis, but not necrosis. In addition, it was found that SeNP enhanced the expression of pro-apoptotic genes in almost all cancer cell lines, with the exception of Caco-2 and activated various pathways of adaptive and pro-apoptotic signaling pathways of UPR. Different effects of SeNP on the expression of ER-resident selenoproteins and selenium-containing glutathione peroxidases and thioredoxin reductases, depending on the cell line, were established. In addition, SeNP triggered Ca2+ signals in all investigated cancer cell lines. Different sensitivity of cancer cell lines to SeNP can determine the induction of the process of apoptosis in them through regulation of the Ca2+ signaling system, mechanisms of ER stress, and activation of various expression patterns of genes encoding pro-apoptotic proteins.
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Schmidt CL, Daberger J, Sobek M, Seeger K. Structural and biophysical characterization of the selenoprotein SelW1 from Chlamydomonas reinhardtii. BIOCHIMICA ET BIOPHYSICA ACTA-PROTEINS AND PROTEOMICS 2021; 1869:140685. [PMID: 34216797 DOI: 10.1016/j.bbapap.2021.140685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 06/10/2021] [Accepted: 06/28/2021] [Indexed: 11/15/2022]
Abstract
Selenoprotein W is widespread among pro- and eukaryotic organisms. It possesses antioxidant activity and plays pivotal roles in mammalian embryonic development and cellular functions. A very simple, prototypical selenoprotein W is SelW1 from Chlamydomonas. The U14C mutant of SelW1 was isolated and biophysically characterized. It contains an intramolecular disulfide bond and is thermally stable up to 70 °C. NMR resonance assignment of reduced and oxidized SelW1 showed that SelW1 adopts a thioredoxin fold. Interestingly, both forms show two additional sets of resonance for amino acid residues near the termini and have basically identical dynamic behavior. Since SelW1 from Chlamydomonas resembles the ancestor of mammalian selenoproteins in certain aspects, this study lays the basis for future characterization of SelW1 function and possible interaction partners.
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Affiliation(s)
- Christian L Schmidt
- Isotopes Laboratory, Department of Natural Sciences, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Jan Daberger
- Isotopes Laboratory, Department of Natural Sciences, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Michael Sobek
- Isotopes Laboratory, Department of Natural Sciences, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany
| | - Karsten Seeger
- Institute of Chemistry and Metabolomics, University of Lübeck, Ratzeburger Allee 160, 23562 Lübeck, Germany.
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Varlamova EG, Turovsky EA. THE MAIN CYTOTOXIC EFFECTS OF METHYLSELENINIC ACID ON VARIOUS CANCER CELLS. Int J Mol Sci 2021; 22:6614. [PMID: 34205571 PMCID: PMC8234898 DOI: 10.3390/ijms22126614] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/16/2021] [Accepted: 06/18/2021] [Indexed: 12/16/2022] Open
Abstract
Studies of recent decades have repeatedly demonstrated the cytotoxic effect of selenium-containing compounds on cancer cells of various origins. Particular attention in these studies is paid to methylseleninic acid, a widespread selenium-containing compound of organic nature, for several reasons: it has a selective cytotoxic effect on cancer cells, it is cytotoxic in small doses, it is able to generate methylselenol, excluding the action of the enzyme β-lyase. All these qualities make methylseleninic acid an attractive substrate for the production of anticancer drugs on its basis with a well-pronounced selective effect. However, the studies available to date indicate that there is no strictly specific molecular mechanism of its cytotoxic effect in relation to different cancer cell lines and cancer models. This review contains generalized information on the dose- and time-dependent regulation of the toxic effect of methylseleninic acid on the proliferative properties of a number of cancer cell lines. In addition, special attention in this review is paid to the influence of this selenium-containing compound on the regulation of endoplasmic reticulum stress and on the expression of seven selenoproteins, which are localized in the endoplasmic reticulum.
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Affiliation(s)
- Elena G. Varlamova
- Institute of Cell Biophysics of the Russian Academy of Sciences, Federal Research Center “Pushchino Scientific Center for Biological Research of the Russian Academy of Sciences”, Institutskaya St. 3, Pushchino 142290, Moscow Region, Russia;
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Liu Y, Tang J, He Y, Jia G, Liu G, Tian G, Chen X, Cai J, Kang B, Zhao H. Selenogenome and AMPK signal insight into the protective effect of dietary selenium on chronic heat stress-induced hepatic metabolic disorder in growing pigs. J Anim Sci Biotechnol 2021; 12:68. [PMID: 34116728 PMCID: PMC8196429 DOI: 10.1186/s40104-021-00590-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Accepted: 04/02/2021] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Chronic heat stress (CHS) disrupts hepatic metabolic homeostasis and jeopardizes product quality of pigs. Selenium (Se) may regulate the metabolic state through affect selenoprotein. Thus, we investigate the protective effect of dietary hydroxy-4-methylselenobutanoic acid (HMSeBA) on CHS induced hepatic metabolic disorder in growing pigs, and the corresponding response of selenoprotein. METHODS Forty crossbreed growing pigs were randomly assigned to five groups: control group raised in the thermoneutral environment (22 ± 2 °C) with basal diet; four CHS groups raised in hyperthermal condition (33 ± 2 °C) with basal diet and supplied with 0.0, 0.2, 0.4, and 0.6 mg Se/kg HMSeBA, respectively. The trial lasted 28 d. The serum biochemical, hepatic metabolism related enzyme, protein and gene expression and 25 selenoproteins in liver tissue were determined by real-time PCR, ELISA and western blot. RESULTS CHS significantly increased the rectal temperature, respiration rate, serum aspartate aminotransferase (AST) and low-density lipoprotein cholesterol (LDL-C) of pigs, up-regulated hepatic heat shock protein 70 (HSP70) and induced lower liver weight, glycogen content, hepatic glucokinase and glutathione peroxidase (GSH-Px). The CHS-induced liver metabolic disorder was associated with the aberrant expression of 6 metabolism-related gene and 11 selenoprotein encoding genes, and decreased the protein abundance of GCK, GPX4 and SELENOS. HMSeBA improved anti-oxidative capacity of liver. 0.4 or 0.6 mg Se/kg HMSeBA supplementation recovered the liver weight, glycogen content and rescue of mRNA abundance of genes related to metabolism and protein levels of GCK. HMSeBA supplementation changed expressions of 15 selenoprotein encoding genes, and enhanced protein expression of GPX1, GPX4 and SELENOS in the liver affected by CHS. CHS alone showed no impact while HMSeBA supplementation increased protein levels of p-AMPKα in the liver. CONCLUSIONS In summary, HMSeBA supplementation beyond nutrient requirement mitigates CHS-induced hepatic metabolic disorder, recovered the liver glycogen content and the processes that are associated with the activation of AMPK signal and regulation of selenoproteins in the liver of growing pigs.
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Affiliation(s)
- Yan Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Jiayong Tang
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Ying He
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Gang Jia
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Guangmang Liu
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Gang Tian
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Xiaoling Chen
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Jingyi Cai
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China
| | - Bo Kang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China
| | - Hua Zhao
- Animal Nutrition Institute, Sichuan Agricultural University, Chengdu, 611130, Sichuan, China.
- Key Laboratory for Animal Disease-Resistance Nutrition, Ministry of Education, Huimin Road, Wenjiang District, Chengdu, 611130, Sichuan, China.
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Kim H, Lee K, Kim JM, Kim MY, Kim JR, Lee HW, Chung YW, Shin HI, Kim T, Park ES, Rho J, Lee SH, Kim N, Lee SY, Choi Y, Jeong D. Selenoprotein W ensures physiological bone remodeling by preventing hyperactivity of osteoclasts. Nat Commun 2021; 12:2258. [PMID: 33859201 PMCID: PMC8050258 DOI: 10.1038/s41467-021-22565-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2018] [Accepted: 03/18/2021] [Indexed: 11/09/2022] Open
Abstract
Selenoproteins containing selenium in the form of selenocysteine are critical for bone remodeling. However, their underlying mechanism of action is not fully understood. Herein, we report the identification of selenoprotein W (SELENOW) through large-scale mRNA profiling of receptor activator of nuclear factor (NF)-κΒ ligand (RANKL)-induced osteoclast differentiation, as a protein that is downregulated via RANKL/RANK/tumour necrosis factor receptor-associated factor 6/p38 signaling. RNA-sequencing analysis revealed that SELENOW regulates osteoclastogenic genes. SELENOW overexpression enhances osteoclastogenesis in vitro via nuclear translocation of NF-κB and nuclear factor of activated T-cells cytoplasmic 1 mediated by 14-3-3γ, whereas its deficiency suppresses osteoclast formation. SELENOW-deficient and SELENOW-overexpressing mice exhibit high bone mass phenotype and osteoporosis, respectively. Ectopic SELENOW expression stimulates cell-cell fusion critical for osteoclast maturation as well as bone resorption. Thus, RANKL-dependent repression of SELENOW regulates osteoclast differentiation and blocks osteoporosis caused by overactive osteoclasts. These findings demonstrate a biological link between selenium and bone metabolism. Selenoproteins containing selenium have a variety of physiological functions including redox homeostasis and thyroid hormone metabolism. Here, the authors show that RANKL-dependent repression of selenoprotein W regulates cell fusion during osteoclast differentiation and bone remodelling in mice.
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Affiliation(s)
- Hyunsoo Kim
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu, Korea.,Departments of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Kyunghee Lee
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu, Korea
| | - Jin Man Kim
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu, Korea
| | - Mi Yeong Kim
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu, Korea
| | - Jae-Ryong Kim
- Department of Biochemistry and Molecular Biology, Smart-aging Convergence Research Center, Yeungnam University College of Medicine, Daegu, Korea
| | - Han-Woong Lee
- Department of Biochemistry, College of Life Science and Biotechnology, Yonsei University, Seoul, Korea
| | - Youn Wook Chung
- Severance Biomedical Science Institute, Yonsei University College of Medicine, Seoul, Korea
| | - Hong-In Shin
- IHBR, Department of Oral Pathology, School of Dentistry, Kyungpook National University, Daegu, Korea
| | - Taesoo Kim
- Herbal Medicine Research Division, Korea Institute of Oriental Medicine, Daejeon, Korea
| | - Eui-Soon Park
- Department of Microbiology and BK21 Bio Brain Center, Chungnam National University, Daejeon, Korea
| | - Jaerang Rho
- Department of Microbiology and BK21 Bio Brain Center, Chungnam National University, Daejeon, Korea
| | - Seoung Hoon Lee
- Department of Oral Microbiology and Immunology, Wonkwang University School of Dentistry, Iksan, Korea
| | - Nacksung Kim
- National Research Laboratory for Regulation of Bone Metabolism and Disease, Chonnam National University Medical School, Gwangju, Korea
| | - Soo Young Lee
- Division of Life and Pharmaceutical Sciences, Department of Life Science, Center for Cell Signaling & Drug Discovery Research, College of Natural Sciences, Ewha Womans University, Seoul, Korea
| | - Yongwon Choi
- Departments of Pathology and Laboratory Medicine, University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Daewon Jeong
- Department of Microbiology, Laboratory of Bone Metabolism and Control, Yeungnam University College of Medicine, Daegu, Korea.
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Zhang J, Zhou H, Li H, Ying Z, Liu X. Research progress on separation of selenoproteins/Se-enriched peptides and their physiological activities. Food Funct 2021; 12:1390-1401. [PMID: 33464257 DOI: 10.1039/d0fo02236e] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Selenium (Se) is an essential nutrient associated with several physiological processes in humans and has raised interest because of its antioxidant and immune properties. Se deficiency is related to a variety of diseases and dysfunctions in humans. Due to its higher bioavailability and lower toxicity, organic Se is more recommendable than inorganic Se in the frame of a balanced diet. Se is present in 25 identified selenoproteins that commonly occur in human organisms. As part of selenocysteine (SeC), Se becomes co-translationally incorporated into the polypeptide chain and involved in the regulation of oxidative stress, redox mechanisms, and other crucial cellular processes responsible for innate and adaptive immune responses. This review presents the current information regarding the presence of selenoproteins in the human body, and the separation of selenoproteins and selenopeptides from various plants and their physiological roles in the immune and oxidation systems of humans. In general, the application of selenoproteins and Se-enriched peptides are practically important for the clinical arena, whereby it can be used for exploring new healthy foods.
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Affiliation(s)
- Jian Zhang
- National Soybean Processing Industry Technology Innovation Center, Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, Beijing 100048, Peoples' Republic of China.
| | - Haochun Zhou
- National Soybean Processing Industry Technology Innovation Center, Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, Beijing 100048, Peoples' Republic of China.
| | - He Li
- National Soybean Processing Industry Technology Innovation Center, Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, Beijing 100048, Peoples' Republic of China.
| | - Zhiwei Ying
- National Soybean Processing Industry Technology Innovation Center, Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, Beijing 100048, Peoples' Republic of China.
| | - Xinqi Liu
- National Soybean Processing Industry Technology Innovation Center, Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Engineering and Technology Research Center of Food Additives, Beijing Technology and Business University, Beijing 100048, Peoples' Republic of China.
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Selenium alleviates the negative effect of heat stress on myogenic differentiation of C2C12 cells with the response of selenogenome. J Therm Biol 2021; 97:102874. [PMID: 33863438 DOI: 10.1016/j.jtherbio.2021.102874] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 02/04/2021] [Accepted: 02/06/2021] [Indexed: 12/11/2022]
Abstract
With the globe warming, heat stress (HS) has frequently affected animal production. Selenium (Se) is an essential trace element for animals and exerts most of its biological functions through selenoproteins. We previously demonstrated that the damage to C2C12 cells by HS accompanied with the response of selenoprotein encoding genes and proteins. The objective of this study was to investigate whether selenium supplementation (sodium selenite, SS and selenomethionine, SeMet) could alleviate the negative effect of heat stress on the differentiation of C2C12 cells, and interpret the potential corresponding selenoproteins response. The differentiated cells were cultured for 4 and 8 days under different condition: at 37 °C, 41.5 °C and 41.5 °C with 0.5 μmol Se/L SS or SeMet, and the HSP70, cell apoptosis, selenoproteins and cell differentiation-related gene or protein were detected. The result showed that HS up-regulated (P < 0.05) mRNA and protein levels of HSP70 and gene expression of AMPKα1 and AMPKα2, and down-regulated (P < 0.05) mRNA or protein levels of MYOGENIN and MYOD. Meanwhile, up to 15 and 17 selenoprotein genes expression were significantly changed response to 4-and 8-days HS challenge, respectively. Relative to the HS group, SS and SeMet supplementation down-regulated the mRNA and protein abundance of HSP70 to different degrees, and partly recovered (P < 0.05) the mRNA or protein abundance of MYOGENIN and MYOD at 4th and 8th day. Especially, 16 and 10 selenoprotein genes expression in cells affected by HS were altered by SS and SeMet supplementation, respectively. Both SS and SeMet supplementation modestly increased (P < 0.05) protein levels of GPX1 and SELENON in cells under HS. In summary, Se supplementation partly alleviated the negative impact of HS on myogenic differentiation of C2C12 cells and the process may associate with the alternation of selenoprotein expression pattern, and SeMet exhibits better effect than SS.
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Tavares KCS, Casagrande Dambrós MG, Antunes ASL, Danziato PM, Stoco PH, Schlindwein AD, Moreira RS, Miletti LC. Selenocysteine in Trypanosoma evansi: Identification of the Genes selb, selc, seld, pstk, seltryp and the Selenophosphate Synthetase Protein. ACTA PROTOZOOL 2021. [DOI: 10.4467/16890027ap.21.003.14063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Selenoproteins have been described in all three domains of life and their function has been mainly associated with oxidative stress defense. Canonical elements required for selenoprotein production have been identified in members of the kinetoplastid group supporting the existence of a complete selenocysteine synthesis pathway in these organisms. Currently, nothing is known regarding the selenocysteine pathway in Trypanosoma evansi. In this study, we identified the expression of the elements selB, selC, selD, PSTK and selTRYP at the mRNA level in T. evansi. All translated proteins (selD, PSTK, selTRYP and selB) have the domains predicted and higher identity with Trypanosoma brucei. gambiense. The selenophosphate synthetase protein was localized in the cytoplasm. Our results support the existence of an active selenocysteine pathway in T. evansi.
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Affiliation(s)
- Kaio Cesar Simiano Tavares
- Laboratório de Hemoparasitas e Vetores Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina (UDESC).; Experimental Biology Center (NUBEX), Universidade de Fortaleza
| | | | | | | | | | | | - Renato Simões Moreira
- Laboratório de Hemoparasitas e Vetores Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina (UDESC); Instituto Federal de Santa Catarina (IFSC)
| | - Luiz Claudio Miletti
- Laboratório de Hemoparasitas e Vetores Centro de Ciências Agroveterinárias (CAV), Universidade do Estado de Santa Catarina (UDESC)
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Pothion H, Jehan C, Tostivint H, Cartier D, Bucharles C, Falluel-Morel A, Boukhzar L, Anouar Y, Lihrmann I. Selenoprotein T: An Essential Oxidoreductase Serving as a Guardian of Endoplasmic Reticulum Homeostasis. Antioxid Redox Signal 2020; 33:1257-1275. [PMID: 32524825 DOI: 10.1089/ars.2019.7931] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Significance: Selenoproteins incorporate the essential nutrient selenium into their polypeptide chain. Seven members of this family reside in the endoplasmic reticulum (ER), the exact function of most of which is poorly understood. Especially, how ER-resident selenoproteins control the ER redox and ionic environment is largely unknown. Since alteration of ER function is observed in many diseases, the elucidation of the role of selenoproteins could enhance our understanding of the mechanisms involved in ER homeostasis. Recent Advances: Among selenoproteins, selenoprotein T (SELENOT) is remarkable as the most evolutionarily conserved and the only ER-resident selenoprotein whose gene knockout in mouse is lethal. Recent data indicate that SELENOT contributes to ER homeostasis: reduced expression of SELENOT in transgenic cell and animal models promotes accumulation of reactive oxygen and nitrogen species, depletion of calcium stores, activation of the unfolded protein response and impaired hormone secretion. Critical Issues: SELENOT is anchored to the ER membrane and associated with the oligosaccharyltransferase complex, suggesting that it regulates the early steps of N-glycosylation. Furthermore, it exerts a selenosulfide oxidoreductase activity carried by its thioredoxin-like domain. However, the physiological role of the redox activity of SELENOT is not fully understood. Likewise, the nature of its redox partners needs to be further characterized. Future Directions: Given the impact of ER stress in pathologies such as neurodegenerative, cardiovascular, metabolic and immune diseases, understanding the role of SELENOT and developing derived therapeutic tools such as selenopeptides to improve ER proteostasis and prevent ER stress could contribute to a better management of these diseases.
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Affiliation(s)
- Hugo Pothion
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Cédric Jehan
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Hervé Tostivint
- Physiologie moléculaire et Adaptation, UMR 7221 CNRS and Muséum National d'Histoire Naturelle, Paris, France
| | - Dorthe Cartier
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Christine Bucharles
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Anthony Falluel-Morel
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Loubna Boukhzar
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Youssef Anouar
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Isabelle Lihrmann
- Rouen-Normandie University, UNIROUEN, Inserm, U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Mont-Saint-Aignan Cedex, France.,Institute for Research and Innovation in Biomedicine, Rouen, France
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Zhang X, Xiong W, Chen LL, Huang JQ, Lei XG. Selenoprotein V protects against endoplasmic reticulum stress and oxidative injury induced by pro-oxidants. Free Radic Biol Med 2020; 160:670-679. [PMID: 32846216 DOI: 10.1016/j.freeradbiomed.2020.08.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/13/2020] [Accepted: 08/17/2020] [Indexed: 12/22/2022]
Abstract
Selenoprotein V (SELENOV) contains a thioredoxin-like fold and a conserved CxxU motif with a potential redox function. This study was to assess its in vivo and in vitro roles and mechanisms in coping with different oxidant insults. In Experiment (Expt.)1, SELENOV knockout (KO) and wild type (WT) mice (male, 8-wk old) were given an ip injection of saline, diquat (DQ, 12.5 mg/kg), or N-acetyl-para-aminophenol (APAP, 300 mg/kg) (n = 10), and killed 5 h after the injection. In Expt. 2, primary hepatocytes of WT and KO were treated with DQ (0-0.75 mM) or APAP (0-6 mM) for 12 h. In Expt. 3, 293 T cells overexpressing Selenov gene (OE) were treated with APAP (0-4 mM) for 24 h or H2O2 (0-0.4 mM) for 12 h. Compared with the WT, the DQ- and APAP-injected KO mice had higher (P < 0.05) serum alanine aminotransferase activities and hepatic malondialdehyde (MDA), protein carbonyl, endoplasmic reticulum (ER) stress-related proteins (BIP and CHOP), apoptosis-related proteins (FAK and caspase-9), and 3-nitrotyrosine, along with lower total anti-oxidizing-capability (T-AOC) and severer hepatic necrosis. Likewise, the DQ and APAP-treated KO hepatocytes had elevated (P < 0.05) cell death (10-40%), decreased (P < 0.05) T-AOC (63-83%), glutathione (26-87%), superoxide dismutase (SOD) activity (28-36%), mRNA levels of redox enzymes (Cat, Gcs, Gpx3, and Sod) and (or) sharper declines (P < 0.05) in cellular respiration and ATP production than that of the WT cells. In contrast, the OE cells had greater viability and T-AOC and lower MDA, and carbonyl contents after the APAP and H2O2 exposures (all at P < 0.05) than the controls. Moreover, the OE cells had greater (P < 0.05) redox enzyme activities (GPX, TrxR, and SOD), and lower (P < 0.05) expressions of ER stress-related genes (Atf4, Atf6, Bip, Xbp1t, Xbp1s, and Chop) and proteins (BIP, CHOP, FAK, and caspase-9) than the control cells after the treatment of H2O2 (0.4 mM). In conclusion, SELENOV conferred protections in vivo and in vitro against the reactive oxygen and nitrogen species-mediated ER stress-related signaling and oxidative injuries.
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Affiliation(s)
- Xu Zhang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China; College of Biological Sciences, China Agricultural University, Beijing, 100083, China
| | - Wei Xiong
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China; Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Ling-Li Chen
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China; Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Jia-Qiang Huang
- Key Laboratory of Precision Nutrition and Food Quality, Department of Nutrition and Health, China Agricultural University, Beijing, 100083, China; Key Laboratory of Functional Dairy, Ministry of Education, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, China.
| | - Xin Gen Lei
- Department of Animal Science, Cornell University, Ithaca, NY, 14853, USA.
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Abstract
Background Selenium is an essential trace element, and selenocysteine (Sec, U) is its predominant form in vivo. Proteins that contain Sec are selenoproteins, whose special structural features include not only the TGA codon encoding Sec but also the SECIS element in mRNA and the conservation of the Sec-flanking region. These unique features have led to the development of a series of bioinformatics methods to predict and research selenoprotein genes. There have been some studies and reports on the evolution and distribution of selenoprotein genes in prokaryotes and multicellular eukaryotes, but the systematic analysis of single-cell eukaryotes, especially algae, has been very limited. Results In this study, we predicted selenoprotein genes in 137 species of algae by using a program we previously developed. More than 1000 selenoprotein genes were obtained. A database website was built to record these algae selenoprotein genes (www.selenoprotein.com). These genes belong to 42 selenoprotein families, including three novel selenoprotein gene families. Conclusions This study reveals the primordial state of the eukaryotic selenoproteome. It is an important clue to explore the significance of selenium for primordial eukaryotes and to determine the complete evolutionary spectrum of selenoproteins in all life forms.
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Goltyaev MV, Mal'tseva VN, Varlamova EG. Expression of ER-resident selenoproteins and activation of cancer cells apoptosis mechanisms under ER-stress conditions caused by methylseleninic acid. Gene 2020; 755:144884. [PMID: 32562739 DOI: 10.1016/j.gene.2020.144884] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 05/10/2020] [Accepted: 06/08/2020] [Indexed: 01/21/2023]
Abstract
The aim of this work was to study changes in gene expression levels of 7 ER-resident selenoproteins under ER-stress caused by the action of a selenium-containing compound of organic nature, methylselenic acid using three human cancer cell lines DU 145 (prostate carcinoma), MCF 7 (breast adenocarcinoma)and HT-1080 (fibrosarcoma). According to the obtained results, we can speak of a synchronous changes in the expression of SELT and SEP15 mRNA depending on the concentration of MSA for 24 h, while the pattern of SELM expression was completely opposite and was radically different from other selenoproteins. It should be noted that in HT-1080 cells, the expression pattern of SELM differed from the expression pattern in two other cancer cells, while the expression patterns of other ER-resident selenoproteins (SELT, SEP15, SELK, SELS, SELN and DIO2) differed slightly depending on the cell line. Also we investigated the molecular mechanisms of UPR caused by MSA-induced ER stress in three cancer cell lines. According to the obtained results, it can be assumed that in DU 145 cells, MSA promotes activation of the PERK signaling pathway of UPR. In fibrosarcoma cells MSA was promoted the activation of ATF-6 UPR signaling pathway. In MCF 7 cells, MSA promoted the activation of two pro-apoptotic UPR signaling pathways at once: IRE1 and ATF-6.The results of this work once again demonstrate that the mechanisms of ER-stress regulation caused by the same agent, in this case, MSA, lead to the activation of different UPR signaling pathways in different cancer cells, and about their relationship.
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Affiliation(s)
- M V Goltyaev
- Federal State Institution of Science Institute of Cell Biophysics, Russian Academy of Sciences, Institutskaya st. 3, 142290 Pushchino, Moscow Region, Russia
| | - V N Mal'tseva
- Federal State Institution of Science Institute of Cell Biophysics, Russian Academy of Sciences, Institutskaya st. 3, 142290 Pushchino, Moscow Region, Russia
| | - E G Varlamova
- Federal State Institution of Science Institute of Cell Biophysics, Russian Academy of Sciences, Institutskaya st. 3, 142290 Pushchino, Moscow Region, Russia.
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Wang P, Lu Z, He M, Shi B, Lei X, Shan A. The Effects of Endoplasmic-Reticulum-Resident Selenoproteins in a Nonalcoholic Fatty Liver Disease Pig Model Induced by a High-Fat Diet. Nutrients 2020; 12:nu12030692. [PMID: 32143527 PMCID: PMC7146353 DOI: 10.3390/nu12030692] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/29/2020] [Accepted: 03/02/2020] [Indexed: 12/20/2022] Open
Abstract
The present study aimed to investigate the intervention of selenium in the oxidative stress and apoptosis of pig livers, which were induced by a high-fat diet, and the effects of four endoplasmic reticulum (ER)-resident selenoproteins in the process. A 2 × 4 design trial was conducted that included two dietary fat levels (BD = basal diet and HFD = high-fat diet) and four dietary Se supplementation levels (0, 0.3, 1.0, and 3.0 mg/kg of the diet, in the form of sodium selenite (Na2SeO3)). Our results indicated that the HFD significantly increased the activities of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in the serum, as well as the degree of steatosis, the content of malondialdehyde (MDA), the apoptotic rate, and the level of mRNA caspase-3 in the liver compared to their BD counterparts (p < 0.05). Moreover, these parameters in the HFD groups were more significantly reduced (p < 0.05) for a Se concentration of 1.0 mg/kg than for the other concentrations. Further, for both the BD and HFD, the groups supplemented with 1.0 mg/kg Se showed the highest mRNA level of selenoprotein S. In conclusion, the consumption of an HFD can induce oxidative damage and apoptosis in the liver. This shows that the supplementation of Se at 1.0 mg/kg may be the optimum concentration against damage induced by HFD, and Sels may play a key role in this process.
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Affiliation(s)
- Pengzu Wang
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China; (P.W.); (Z.L.); (M.H.); (B.S.)
| | - Zhuang Lu
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China; (P.W.); (Z.L.); (M.H.); (B.S.)
| | - Meng He
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China; (P.W.); (Z.L.); (M.H.); (B.S.)
| | - Baoming Shi
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China; (P.W.); (Z.L.); (M.H.); (B.S.)
| | - Xingen Lei
- Department of Animal Science, Cornell University, Ithaca, NY 14853, USA;
| | - Anshan Shan
- Institute of Animal Nutrition, Northeast Agricultural University, Harbin 150030, China; (P.W.); (Z.L.); (M.H.); (B.S.)
- Correspondence: ; Tel./Fax: +86-0451-55190685
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Chen S, Lencinas A, Nunez M, Selmin OI, Runyan RB. HNF4a transcription is a target of trichloroethylene toxicity in the embryonic mouse heart. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2020; 22:824-832. [PMID: 32159184 PMCID: PMC7250168 DOI: 10.1039/c9em00597h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
In exploration of congenital heart defects produced by TCE, Hepatocyte Nuclear Factor 4 alpha (HNF4a) transcriptional activity was identified as a central component. TCE exposure altered gene transcription in the chick heart in a non-monotonic pattern where only low dose exposure inhibited transcription by HNF4a. As the chick embryo is non-placental, we examine here HNF4a as a target of TCE in developing mouse embryos. Benfluorex and Bi6015, published agonist and antagonist, respectively, of HNF4a were compared to low dose TCE exposure. Pregnant mice were exposed to 10 ppb (76 nM) TCE, 5 μM Benfluorex, 5 μM Bi6015, or a combination of Bi6015 and TCE in drinking water. Litters (E12) were collected during a sensitive window in heart development. Embryonic hearts were collected, pooled for extraction of RNA and marker expression was examined by quantitative PCR. Multiple markers, previously identified as sensitive to TCE exposure in chicks or as published targets of HNF4a transcription were significantly affected by Benfluorex, Bi6015 and TCE. Activity of TCE and both HNF4a-specific reagents on transcription argues that HNF4a is a component of TCE cardiotoxicity and likely a proximal target of low dose exposure during development. The effectiveness of these reagents after delivery in maternal drinking water suggests that neither maternal metabolism, nor placental transport is protective of exposure.
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Affiliation(s)
- Sheri Chen
- Department of Cellular and Molecular Medicine, University of Arizona, 1501 N Campbell Ave, Tucson, Arizona 85724-5044, USA.
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Silvestrini A, Mordente A, Martino G, Bruno C, Vergani E, Meucci E, Mancini A. The Role of Selenium in Oxidative Stress and in Nonthyroidal Illness Syndrome (NTIS): An Overview. Curr Med Chem 2020; 27:423-449. [PMID: 29421998 DOI: 10.2174/0929867325666180201111159] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 01/12/2018] [Accepted: 01/13/2018] [Indexed: 12/28/2022]
Abstract
Selenium is a trace element, nutritionally classified as an essential micronutrient, involved in maintaining the correct function of several enzymes incorporating the selenocysteine residue, namely the selenoproteins. The human selenoproteome including 25 proteins is extensively described here. The most relevant selenoproteins, including glutathione peroxidases, thioredoxin reductases and iodothyronine deiodinases are required for the proper cellular redox homeostasis as well as for the correct thyroid function, thus preventing oxidative stress and related diseases. This review summarizes the main advances on oxidative stress with a focus on selenium metabolism and transport. Moreover, thyroid-related disorders are discussed, considering that the thyroid gland contains the highest selenium amount per gram of tissue, also for future possible therapeutic implication.
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Affiliation(s)
- Andrea Silvestrini
- Institute of Biochemistry and Clinical Biochemistry, School of Medicine, Catholic University, Largo F. Vito 1, Rome 00168, Italy
| | - Alvaro Mordente
- Institute of Biochemistry and Clinical Biochemistry, School of Medicine, Catholic University, Largo F. Vito 1, Rome 00168, Italy
| | - Giuseppe Martino
- Operative Unit of Endocrinology, School of Medicine, Catholic University, Largo A. Gemelli 1, Rome, 00168, Italy
| | - Carmine Bruno
- Operative Unit of Endocrinology, School of Medicine, Catholic University, Largo A. Gemelli 1, Rome, 00168, Italy
| | - Edoardo Vergani
- Operative Unit of Endocrinology, School of Medicine, Catholic University, Largo A. Gemelli 1, Rome, 00168, Italy
| | - Elisabetta Meucci
- Institute of Biochemistry and Clinical Biochemistry, School of Medicine, Catholic University, Largo F. Vito 1, Rome 00168, Italy
| | - Antonio Mancini
- Operative Unit of Endocrinology, School of Medicine, Catholic University, Largo A. Gemelli 1, Rome, 00168, Italy
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Bjørklund G, Pivina L, Dadar M, Semenova Y, Rahman MM, Chirumbolo S, Aaseth J. Depleted uranium and Gulf War Illness: Updates and comments on possible mechanisms behind the syndrome. ENVIRONMENTAL RESEARCH 2020; 181:108927. [PMID: 31796256 DOI: 10.1016/j.envres.2019.108927] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 11/13/2019] [Accepted: 11/14/2019] [Indexed: 06/10/2023]
Abstract
Indications of proximal tubule effects have been observed in recent surveillance study of Gulf War veterans exposed to depleted uranium (DU). This gives some support for the suspicion that DU may represent one of the causes for the so-called Persian Gulf syndrome. Proposed effects may be especially harmful if the toxicity hits the mitochondrial DNA since the mitochondria lack the nucleotide excision repair mechanism, which is needed for repairing bulky adducts that have been associated with DU. It is a plausible working hypothesis that a significant part of the symptoms from various organs, which have been observed among veterans from Gulf War 1 and that have been grouped under the name of the Persian Gulf syndrome, may be explained as a consequence of mitochondrial DNA damage in various cell types and organs. Interpretation of observations, on military personnel and civilians after Gulf War 1, is associated with difficulties because of the abundance of potential confounding factors. The symptoms observed on veterans from Gulf War 1 may be attributed to a multiplicity of substances functioning directly or indirectly as mitochondrial mutagens. A concise analysis of the cascade of toxic effects initiated by DU exposure in the human body is the subject of this article.
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Affiliation(s)
- Geir Bjørklund
- Council for Nutritional and Environmental Medicine (CONEM), Mo i Rana, Norway.
| | - Lyudmila Pivina
- Semey Medical University, Semey, Kazakhstan; CONEM Kazakhstan Environmental Health and Safety Research Group, Semey Medical University, Semey, Kazakhstan
| | - Maryam Dadar
- Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Yuliya Semenova
- Semey Medical University, Semey, Kazakhstan; CONEM Kazakhstan Environmental Health and Safety Research Group, Semey Medical University, Semey, Kazakhstan
| | - Md Mostafizur Rahman
- Department of Environmental Sciences, Jahangirnagar University, Dhaka, Bangladesh
| | - Salvatore Chirumbolo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, Verona, Italy; CONEM Scientific Secretary, Verona, Italy
| | - Jan Aaseth
- Research Department, Innlandet Hospital Trust, Brumunddal, Norway; IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia
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Shao ZQ, Zhang X, Fan HH, Wang XS, Wu HM, Zhang L, Cheng WH, Zhu JH. Selenoprotein T Promotes Proliferation and G1-to-S Transition in SK-N-SH Cells: Implications in Parkinson's Disease. J Nutr 2019; 149:2110-2119. [PMID: 31504723 DOI: 10.1093/jn/nxz199] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 06/21/2019] [Accepted: 07/25/2019] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Selenium is prioritized to the brain mainly for selenoprotein expression. Selenoprotein T (SELENOT) protects dopaminergic, postmitotic neurons in a mouse model of Parkinson's disease (PD). OBJECTIVE We hypothesized a proliferative role of SELENOT in neural cells. METHODS To assess SELENOT status in PD, sedated male C57BL/6 mice at 10-12 wk of age were injected with 6-hydroxydopamine in neurons, and human peripheral blood mononuclear cells were isolated from 9 healthy subjects (56% men, 68-y-old) and 11 subjects with PD (64% men, 63-y-old). Dopaminergic neural progenitor-like SK-N-SH cells with transient SELENOT overexpression or knockdown were maintained in the presence or absence of the antioxidant N-acetyl-l-cysteine and the calcium channel blocker nimodipine. Cell cycle, proliferation, and signaling parameters were determined by immunoblotting, qPCR, and flow cytometry. RESULTS SELENOT mRNA abundance was increased (P < 0.05) in SK-N-SH cells treated with 1-methyl-4-phenylpyridinium iodide (3.5-fold) and peripheral blood mononuclear cells from PD patients (1.6-fold). Likewise, SELENOT was expressed in tyrosine hydroxylase-positive dopaminergic neurons of 6-hydroxydopamine-injected mice. Knockdown of SELENOT in SK-N-SH cells suppressed (54%; P < 0.05) 5-ethynyl-2'-deoxyuridine incorporation but induced (17-47%; P < 0.05) annexin V-positive cells, CASPASE-3 cleavage, and G1/S cell cycle arrest. SELENOT knockdown and overexpression increased (88-120%; P < 0.05) and reduced (37-42%; P < 0.05) both forkhead box O3 and p27, but reduced (51%; P < 0.05) and increased (1.2-fold; P < 0.05) cyclin-dependent kinase 4 protein abundance, respectively. These protein changes were diminished by nimodipine or N-acetyl-l-cysteine treatment (24 h) at steady-state levels. While the N-acetyl-l-cysteine treatment did not influence the reduction in the amount of calcium (13%; P < 0.05) by SELENOT knockdown, the nimodipine treatment reversed the decreased amount of reactive oxygen species (33%; P < 0.05) by SELENOT overexpression. CONCLUSIONS These cellular and mouse data link SELENOT to neural proliferation, expanding our understanding of selenium protection in PD.
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Affiliation(s)
- Zi-Qiang Shao
- Department of Geriatrics and Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Preventive Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Critical Care Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, Zhejiang, China
| | - Xiong Zhang
- Department of Geriatrics and Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hui-Hui Fan
- Department of Preventive Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiao-Shuang Wang
- Department of Preventive Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hong-Mei Wu
- Department of Preventive Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Li Zhang
- Department of Food Science, Nutrition and Health Promotion, Mississippi State University, Mississippi State, MS, USA.,Department of Poultry Science, Mississippi State University, Mississippi State, MS, USA
| | - Wen-Hsing Cheng
- Department of Food Science, Nutrition and Health Promotion, Mississippi State University, Mississippi State, MS, USA
| | - Jian-Hong Zhu
- Department of Geriatrics and Neurology, the Second Affiliated Hospital and Yuying Children's Hospital, Wenzhou Medical University, Wenzhou, Zhejiang, China.,Department of Preventive Medicine, Wenzhou Medical University, Wenzhou, Zhejiang, China
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Varlamova EG, Goltyaev MV, Fesenko EE. Protein Partners of Selenoprotein SELM and the Role of Selenium Compounds in Regulation of Its Expression in Human Cancer Cells. DOKL BIOCHEM BIOPHYS 2019; 488:300-303. [PMID: 31768845 DOI: 10.1134/s1607672919050065] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Indexed: 11/22/2022]
Abstract
The search for potential partners of human SELM in lysates of two cancer cell lines, HT-1080 (fibrosarcoma) and MCF-7 (breast adenocarcinoma), was carried out. Two cytoplasmic actin isoforms-cytoplasmic actin 1 (cytoskeleton β-actin) and cytoplasmic actin 2 (cytoskeletal γ-actin)-were identified as partners. In addition, the influence of two widely used antitumor selenium compounds (sodium selenite and methylseleninic acid) on the expression of SELM in cancer cells was studied. On the basis of the results obtained by real-time PCR and Western blotting, we concluded that 1 μM and 10 μM sodium selenite did not affect the expression of SELM in fibrosarcoma cells, whereas in breast adenocarcinoma cells 1 μM sodium selenite slightly increased expression and 10 μM sodium selenite significantly (approximately 2 times) decreased it. Methylseleninic acid in both cancer cell lines increased the SELM gene expression; the most pronounced effect was observed when fibrosarcoma cells were treated with 10 µM MSA (the expression of the hSelm gene increased almost 4 times).
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Affiliation(s)
- E G Varlamova
- Institute of Cell Biophysics Russian Academy of Sciences, 142290, Pushchino, Moscow oblast, Russia.
| | - M V Goltyaev
- Institute of Cell Biophysics Russian Academy of Sciences, 142290, Pushchino, Moscow oblast, Russia
| | - E E Fesenko
- Institute of Cell Biophysics Russian Academy of Sciences, 142290, Pushchino, Moscow oblast, Russia
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Leonardi A, Evke S, Lee M, Melendez JA, Begley TJ. Epitranscriptomic systems regulate the translation of reactive oxygen species detoxifying and disease linked selenoproteins. Free Radic Biol Med 2019; 143:573-593. [PMID: 31476365 PMCID: PMC7650020 DOI: 10.1016/j.freeradbiomed.2019.08.030] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/28/2019] [Accepted: 08/29/2019] [Indexed: 02/07/2023]
Abstract
Here we highlight the role of epitranscriptomic systems in post-transcriptional regulation, with a specific focus on RNA modifying writers required for the incorporation of the 21st amino acid selenocysteine during translation, and the pathologies linked to epitranscriptomic and selenoprotein defects. Epitranscriptomic marks in the form of enzyme-catalyzed modifications to RNA have been shown to be important signals regulating translation, with defects linked to altered development, intellectual impairment, and cancer. Modifications to rRNA, mRNA and tRNA can affect their structure and function, while the levels of these dynamic tRNA-specific epitranscriptomic marks are stress-regulated to control translation. The tRNA for selenocysteine contains five distinct epitranscriptomic marks and the ALKBH8 writer for the wobble uridine (U) has been shown to be vital for the translation of the glutathione peroxidase (GPX) and thioredoxin reductase (TRXR) family of selenoproteins. The reactive oxygen species (ROS) detoxifying selenocysteine containing proteins are a prime examples of how specialized translation can be regulated by specific tRNA modifications working in conjunction with distinct codon usage patterns, RNA binding proteins and specific 3' untranslated region (UTR) signals. We highlight the important role of selenoproteins in detoxifying ROS and provide details on how epitranscriptomic marks and selenoproteins can play key roles in and maintaining mitochondrial function and preventing disease.
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Affiliation(s)
- Andrea Leonardi
- Colleges of Nanoscale Science and Engineering, University at Albany, State University of New York, Albany, NY, USA
| | - Sara Evke
- Colleges of Nanoscale Science and Engineering, State University of New York Polytechnic Institute, Albany, NY, USA
| | - May Lee
- Colleges of Nanoscale Science and Engineering, State University of New York Polytechnic Institute, Albany, NY, USA
| | - J Andres Melendez
- Colleges of Nanoscale Science and Engineering, State University of New York Polytechnic Institute, Albany, NY, USA.
| | - Thomas J Begley
- Department of Biological Sciences, University at Albany, State University of New York, Albany, NY, USA; RNA Institute, University at Albany, State University of New York, Albany, NY, USA.
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rBMSC/Cav-1 F92A Mediates Oxidative Stress in PAH Rat by Regulating SelW/14-3-3 η and CA1/Kininogen Signal Transduction. Stem Cells Int 2019; 2019:6768571. [PMID: 31781243 PMCID: PMC6855026 DOI: 10.1155/2019/6768571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Accepted: 08/21/2019] [Indexed: 01/22/2023] Open
Abstract
Background/Objectives Carbonic anhydrase 1 (CA1)/kininogen and selenoprotein W (SelW)/14-3-3η signal transduction orchestrate oxidative stress, which can also be regulated by nitric oxide (NO). The mutated caveolin-1 (Cav-1F92A) gene may enhance NO production. This study explored the effect of Cav-1F92A-modified rat bone marrow mesenchymal stem cells (rBMSC/Cav-1F92A) on oxidative stress regulation through CA1/kininogen and SelW/14-3-3η signal transduction in a rat model of monocrotaline- (MCT-) induced pulmonary arterial hypertension (PAH). Method PAH was induced in rats through the subcutaneous injection of MCT. Next, rBMSC/Vector (negative control), rBMSC/Cav-1, rBMSC/Cav-1F92A, or rBMSC/Cav-1F92A+L-NAME were administered to the rats. Changes in pulmonary hemodynamic and vascular morphometry and oxidative stress levels were evaluated. CA1/kininogen and SelW/14-3-3η signal transduction, endothelial nitric oxide synthase (eNOS) dimerization, and eNOS/NO/sGC/cGMP pathway changes were determined through real-time polymerase chain reaction, Western blot, or immunohistochemical analyses. Results In MCT-induced PAH rats, rBMSC/Cav-1F92A treatment reduced right ventricular systolic pressure, vascular stenosis, and oxidative stress; downregulated CA1/kininogen signal transduction; upregulated SelW/14-3-3η signal transduction; and reactivated the NO pathway. Conclusions In a rat model of MCT-induced PAH, rBMSC/Cav-1F92A reduced oxidative stress by regulating CA1/kininogen and SelW/14-3-3η signal transduction.
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Rocca C, Pasqua T, Boukhzar L, Anouar Y, Angelone T. Progress in the emerging role of selenoproteins in cardiovascular disease: focus on endoplasmic reticulum-resident selenoproteins. Cell Mol Life Sci 2019; 76:3969-3985. [PMID: 31218451 PMCID: PMC11105271 DOI: 10.1007/s00018-019-03195-1] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Revised: 05/29/2019] [Accepted: 06/14/2019] [Indexed: 12/30/2022]
Abstract
Cardiovascular diseases represent one of the most important health problems of developed countries. One of the main actors involved in the onset and development of cardiovascular diseases is the increased production of reactive oxygen species that, through lipid peroxidation, protein oxidation and DNA damage, induce oxidative stress and cell death. Basic and clinical research are ongoing to better understand the endogenous antioxidant mechanisms that counteract oxidative stress, which may allow to identify a possible therapeutic targeting/application in the field of stress-dependent cardiovascular pathologies. In this context, increasing attention is paid to the glutathione/glutathione-peroxidase and to the thioredoxin/thioredoxin-reductase systems, among the most potent endogenous antioxidative systems. These key enzymes, belonging to the selenoprotein family, have a well-established function in the regulation of the oxidative cell balance. The aim of the present review was to highlight the role of selenoproteins in cardiovascular diseases, introducing the emerging cardioprotective role of endoplasmic reticulum-resident members and in particular one of them, namely selenoprotein T or SELENOT. Accumulating evidence indicates that the dysfunction of different selenoproteins is involved in the susceptibility to oxidative stress and its associated cardiovascular alterations, such as congestive heart failure, coronary diseases, impaired cardiac structure and function. Some of them are under investigation as useful pathological biomarkers. In addition, SELENOT exhibited intriguing cardioprotective effects by reducing the cardiac ischemic damage, in terms of infarct size and performance. In conclusion, selenoproteins could represent valuable targets to treat and diagnose cardiovascular diseases secondary to oxidative stress, opening a new avenue in the field of related therapeutic strategies.
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Affiliation(s)
- Carmine Rocca
- Laboratory of Cellular and Molecular Cardiovascular Patho-physiology, Department of Biology, E. and E.S., University of Calabria, Rende, Italy.
- UNIROUEN, Inserm U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Rouen-Normandie University, 76821, Mont-Saint-Aignan, France.
- Institute for Research and Innovation in Biomedicine, 76000, Rouen, France.
| | - Teresa Pasqua
- Laboratory of Cellular and Molecular Cardiovascular Patho-physiology, Department of Biology, E. and E.S., University of Calabria, Rende, Italy
- "Fondazione Umberto Veronesi", Milan, Italy
| | - Loubna Boukhzar
- UNIROUEN, Inserm U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Rouen-Normandie University, 76821, Mont-Saint-Aignan, France
- Institute for Research and Innovation in Biomedicine, 76000, Rouen, France
| | - Youssef Anouar
- UNIROUEN, Inserm U1239, Neuronal and Neuroendocrine Differentiation and Communication Laboratory, Rouen-Normandie University, 76821, Mont-Saint-Aignan, France
- Institute for Research and Innovation in Biomedicine, 76000, Rouen, France
| | - Tommaso Angelone
- Laboratory of Cellular and Molecular Cardiovascular Patho-physiology, Department of Biology, E. and E.S., University of Calabria, Rende, Italy.
- National Institute of Cardiovascular Research (INRC), Bologna, Italy.
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Shin MG, Cha HN, Park S, Kim YW, Kim JY, Park SY. Selenoprotein W deficiency does not affect oxidative stress and insulin sensitivity in the skeletal muscle of high-fat diet-fed obese mice. Am J Physiol Cell Physiol 2019; 317:C1172-C1182. [PMID: 31509445 DOI: 10.1152/ajpcell.00064.2019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Selenoprotein W (SelW) is a selenium-containing protein with a redox motif found abundantly in the skeletal muscle of rodents. Previous in vitro studies suggest that SelW plays an antioxidant role; however, relatively few in vivo studies have addressed the antioxidant role of SelW. Since oxidative stress is a causative factor for the development of insulin resistance in obese subjects, we hypothesized that if SelW plays a role as an antioxidant, SelW deficiency could aggravate the oxidative stress and insulin resistance caused by a high-fat diet. SelW deficiency did not affect insulin sensitivity and H2O2 levels in the skeletal muscle of control diet-fed mice. SelW levels in the skeletal muscle were decreased by high-fat diet feeding for 12 wk. High-fat diet induced obesity and insulin resistance and increased the levels of H2O2 and oxidative stress makers, which were not affected by SelW deficiency. High-fat diet feeding increased the expression of antioxidant enzymes; however, SelW deficiency did not affect the expression levels of antioxidants. These results suggest that SelW does not play a protective role against oxidative stress and insulin resistance in the skeletal muscle of high-fat diet-fed obese mice.
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Affiliation(s)
- Min-Gyeong Shin
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea.,Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Korea
| | - Hye-Na Cha
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea.,Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Korea
| | - Soyoung Park
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea.,Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Korea
| | - Yong-Woon Kim
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea
| | - Jong-Yeon Kim
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea
| | - So-Young Park
- Department of Physiology, College of Medicine, Yeungnam University, Daegu, Korea.,Smart-aging Convergence Research Center, College of Medicine, Yeungnam University, Daegu, Korea
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Kushwaha PP, Gupta S, Singh AK, Kumar S. Emerging Role of Migration and Invasion Enhancer 1 (MIEN1) in Cancer Progression and Metastasis. Front Oncol 2019; 9:868. [PMID: 31552186 PMCID: PMC6738349 DOI: 10.3389/fonc.2019.00868] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 08/21/2019] [Indexed: 02/05/2023] Open
Abstract
Tumor metastasis is a sequential event accounting for numerous cancer-related fatalities worldwide. The process of metastasis serially involves invasion, intravasation, extravasation, and tumor growth at the secondary site. Migration and invasion enhancer 1 (MIEN1) is a membrane associated protein overexpressed in various human cancers. Biological activity of MIEN1 is driven by geranylgeranyltransferase-I mediated prenylation at CAAX motif and methylation of the prenylated protein that anchors MIEN1 into the cellular membrane. Post-translationally modified MIEN1 interacts with Syk kinase and Annexin A2 protein; polymerizes G-actin and stabilizes F-actin filament; induces focal adhesion kinase phosphorylation and decrease cofilin phosphorylation implicated in both invasion and metastasis of different cancer types. In the present review, we discuss the structure, function, and involvement of MIEN1 in cancer progression. We also highlight the future prospects of MIEN1 as an emerging molecule and novel target in cancer cell invasion and metastasis.
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Affiliation(s)
- Prem Prakash Kushwaha
- Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, India
| | - Sanjay Gupta
- Department of Urology, Case Western Reserve University, Cleveland, OH, United States.,The Urology Institute, University Hospitals Cleveland Medical Center, Cleveland, OH, United States.,Department of Nutrition, Case Western Reserve University, Cleveland, OH, United States.,Divison of General Medical Sciences, Case Comprehensive Cancer Center, Cleveland, OH, United States.,Department of Urology, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, OH, United States
| | - Atul Kumar Singh
- Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, India
| | - Shashank Kumar
- Department of Biochemistry, School of Basic and Applied Sciences, Central University of Punjab, Bathinda, India
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Sattar H, Yang J, Zhao X, Cai J, Liu Q, Ishfaq M, Yang Z, Chen M, Zhang Z, Xu S. Selenoprotein-U (SelU) knockdown triggers autophagy through PI3K-Akt-mTOR pathway inhibition in rooster Sertoli cells. Metallomics 2019; 10:929-940. [PMID: 29961786 DOI: 10.1039/c8mt00090e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Selenium (Se) is a major component of male reproduction which exerts its effects via selenoproteins. Selenoprotein U (SelU), a newly identified protein, is expressed highly in eukaryotes and possesses a conserved motif similar to that existing in other thiol-dependent redox regulating selenoproteins; however its function is unknown. To investigate the role of SelU in testis autophagic and/or apoptosis cell death mechanisms, we established a Sertoli cell (SC) model isolated from 45 day old layer roosters. Small interfering RNA (siRNA) technology was used to develop SelU-knockdown (SelU-KD) and normal (N) SC models. Consequent to transfection, electron microscopy, qPCR, and western blot were performed. The results show that the mRNA and proteins of autophagy and anti-apoptosis genes increased while that of anti-autophagic mammalian target of rapamycin (mTOR) and pro-apoptosis genes decreased significantly in SelU-KD in contrast to N cells. Simultaneously, in contrast to N cells the expression of phosphoinositide-3-kinase (PI3K) and protein kinase B (PKB/Akt) both at the mRNA and protein levels decreased significantly in SelU-KD cells. In-addition, SelU depletion altered the expression of regulatory factors and increased the mRNA of TSC (tuberous sclerosis complex) genes as compared to N cells. Extensive autophagosome formation and lysosome degradation with an intact cytoskeleton were observed in SelU-KD cells. Our data indicate that SelU deprivation elicits autophagy and reduces the expression of important growth factors in SCs by disrupting the PI3K-Akt-mTOR signaling pathway. However SelU attenuation did not induce apoptosis in rooster SCs. Taken together, we conclude that SelU is essential for the survival and normal functioning of SCs.
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Affiliation(s)
- Hamid Sattar
- College of Veterinary Medicine, Northeast Agricultural University, 59 Mucai Street, Harbin 150030, P. R. China.
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