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Dauplais M, Romero S, Lazard M. Exposure to Selenomethionine and Selenocystine Induces Redox-Mediated ER Stress in Normal Breast Epithelial MCF-10A Cells. Biol Trace Elem Res 2024:10.1007/s12011-024-04244-y. [PMID: 38777874 DOI: 10.1007/s12011-024-04244-y] [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: 03/28/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024]
Abstract
Selenium is an essential trace element co-translationally incorporated into selenoproteins with important biological functions. Health benefits have long been associated with selenium supplementation. However, cytotoxicity is observed upon excessive selenium intake. The aim of this study is to investigate the metabolic pathways underlying the response to the selenium-containing amino acids selenomethionine and selenocysteine in a normal human breast epithelial cell model. We show that both selenomethionine and selenocystine inhibit the proliferation of non-cancerous MCF-10A cells in the same concentration range as cancerous MCF-7 and Hela cells, which results in apoptotic cell death. Selenocystine exposure in MCF-10A cells caused a severe depletion of free low molecular weight thiols, which might explain the observed upregulation of the expression of the oxidative stress pathway transcription factor NRF2. Both selenomethionine and selenocystine induced the expression of target genes of the unfolded protein response (GRP78, ATF4, CHOP). Using a redox-sensitive fluorescent probe targeted to the endoplasmic reticulum (ER), we show that both selenoamino acids shifted the ER redox balance towards an even more oxidizing environment. These results suggest that alteration of the redox state of the ER may disrupt protein folding and cause ER stress-induced apoptosis in MCF-10A cells exposed to selenoamino acids.
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Affiliation(s)
- Marc Dauplais
- Laboratoire de Biologie Structurale de La Cellule, BIOC, École Polytechnique, CNRS-UMR7654, IP, Paris, Palaiseau, France
| | - Stephane Romero
- Laboratoire de Biologie Structurale de La Cellule, BIOC, École Polytechnique, CNRS-UMR7654, IP, Paris, Palaiseau, France
| | - Myriam Lazard
- Laboratoire de Biologie Structurale de La Cellule, BIOC, École Polytechnique, CNRS-UMR7654, IP, Paris, Palaiseau, France.
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Yang B, Zhang R, Leong Bin Abdullah MFI. The association between neuropsychiatric effects of substance use and occurrence of endoplasmic reticulum and unfolded protein response: A systematic review. Toxicol Lett 2024; 391:71-85. [PMID: 38101493 DOI: 10.1016/j.toxlet.2023.12.008] [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: 08/30/2023] [Revised: 11/01/2023] [Accepted: 12/11/2023] [Indexed: 12/17/2023]
Abstract
INTRODUCTION This systematic review aimed to assess the association between neuropsychiatric effects of substance use and occurrence of ER stress and unfolded protein response (UPR) through comprehensive electronic search of existing literature and review of their findings. METHODS A comprehensive electronic literature search was carried out on research articles published between 1950 to July 2023 through major databases, such as Scopus, Web of Science, Google Scholar, PubMed, PsycINFO, EMBASE, Medline and Cochrane Library. RESULTS A total of 21 research articles were selected for review, which were comprised of sixteen animal studies, four human studies and one study on postmortem human brain samples. The selected studies revealed that alcohol, methamphetamine, cocaine, opioid and kratom exposures contributed to neuropsychiatric effects: such as decline in learning and memory function, executive dysfunction, alcohol, methamphetamine, opioid, and kratom dependence. These effects were associated with activation and persistent of ER stress and UPR with elevation of BiP and CHOP expression and the direction of ER stress is progressing towards the PERK-eIF2α-ATF4-CHOP pathway and neuronal apoptosis and neurodegeneration at various regions of the brain. In addition, regular kratom use in humans also contributed to elevation of p-JNK expression, denoting progress of ER stress towards the IRE1-ASK1-JNK-p-JNK pathway which was linked to kratom use disorder. However, treatment with certain compounds or biological agents could reverse the activation of ER stress. CONCLUSIONS The neuropsychiatric effects of alcohol, methamphetamine, cocaine, opioid and kratom use may be associated with persistent ER stress and UPR.
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Affiliation(s)
- Bin Yang
- Department of Community Health, Advanced Medical and Dental Institute, Universiti Sains Malaysia, SAINS@BERTAM, Kepala Batas, Pulau Pinang, Malaysia; 2nd Affiliated Hospital, Xinxiang Medical University, Henan, China
| | - Ruiling Zhang
- 2nd Affiliated Hospital, Xinxiang Medical University, Henan, China
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Gothland A, Jary A, Grange P, Leducq V, Beauvais-Remigereau L, Dupin N, Marcelin AG, Calvez V. Harnessing Redox Disruption to Treat Human Herpesvirus 8 (HHV-8) Related Malignancies. Antioxidants (Basel) 2022; 12:antiox12010084. [PMID: 36670946 PMCID: PMC9854560 DOI: 10.3390/antiox12010084] [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: 11/24/2022] [Revised: 12/26/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022] Open
Abstract
Reprogrammed metabolism is regarded as a hallmark of cancer and offers a selective advantage to tumor cells during carcinogenesis. The redox equilibrium is necessary for growth, spread and the antioxidant pathways are boosted following Reactive Oxygen Species (ROS) production to prevent cell damage in tumor cells. Human herpesvirus 8 (HHV-8), the etiologic agent of Kaposi sarcoma KS and primary effusion lymphoma (PEL), is an oncogenic virus that disrupts cell survival-related molecular signaling pathways leading to immune host evasion, cells growths, angiogenesis and inflammatory tumor-environment. We recently reported that primaquine diphosphate causes cell death by apoptosis in HHV-8 infected PEL cell lines in vivo and exhibits therapeutic anti-tumor activity in mice models and advanced KS. Our findings also suggest that the primaquine-induced apoptosis in PEL cells is mostly influenced by ROS production and targeting the redox balance could be a new approach to treat HHV-8 related diseases. In this review, we summarized the knowledge about the influence of ROS in cancer development; more specifically, the proof of evidence from our work and from the literature that redox pathways are important for the development of HHV-8 pathologies.
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Affiliation(s)
- Adélie Gothland
- INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique (iPLESP), AP-HP, Department of Virology, Hôpital Pitié-Salpêtrière, Sorbonne Université, 75013 Paris, France
| | - Aude Jary
- INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique (iPLESP), AP-HP, Department of Virology, Hôpital Pitié-Salpêtrière, Sorbonne Université, 75013 Paris, France
- Correspondence: (A.J.); (V.C.); Tel.: +33-1-42-17-74-01 (A.J.)
| | - Philippe Grange
- Cutaneous Biology Lab, INSERM U1016, UMR8104, Institut Cochin, Université de Paris, 24 Rue du Faubourg St Jacques, 75014 Paris, France
- Department of Dermatology, CeGGID et CNR IST Bactériennes, Hôpital Cochin Site Port Royale, AP-HP, Groupe Hospitalier Paris Centre Cochin-Hôtel Dieu-Broca, 123 Boulevard de Port Royal, 75014 Paris, France
| | - Valentin Leducq
- INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique (iPLESP), AP-HP, Department of Virology, Hôpital Pitié-Salpêtrière, Sorbonne Université, 75013 Paris, France
| | | | - Nicolas Dupin
- Cutaneous Biology Lab, INSERM U1016, UMR8104, Institut Cochin, Université de Paris, 24 Rue du Faubourg St Jacques, 75014 Paris, France
- Department of Dermatology, CeGGID et CNR IST Bactériennes, Hôpital Cochin Site Port Royale, AP-HP, Groupe Hospitalier Paris Centre Cochin-Hôtel Dieu-Broca, 123 Boulevard de Port Royal, 75014 Paris, France
| | - Anne-Geneviève Marcelin
- INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique (iPLESP), AP-HP, Department of Virology, Hôpital Pitié-Salpêtrière, Sorbonne Université, 75013 Paris, France
| | - Vincent Calvez
- INSERM, Institut Pierre Louis d’Epidémiologie et de Santé Publique (iPLESP), AP-HP, Department of Virology, Hôpital Pitié-Salpêtrière, Sorbonne Université, 75013 Paris, France
- Correspondence: (A.J.); (V.C.); Tel.: +33-1-42-17-74-01 (A.J.)
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Radomska D, Czarnomysy R, Szymanowska A, Radomski D, Domínguez-Álvarez E, Bielawska A, Bielawski K. Novel Selenoesters as a Potential Tool in Triple-Negative Breast Cancer Treatment. Cancers (Basel) 2022; 14:cancers14174304. [PMID: 36077839 PMCID: PMC9454901 DOI: 10.3390/cancers14174304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 08/23/2022] [Accepted: 08/31/2022] [Indexed: 12/02/2022] Open
Abstract
Disturbing cancer statistics, especially for breast cancer, are becoming a rationale for the development of new anticancer therapies. For the past several years, studies have been proving a greater role of selenium in the chemoprevention of many cancers than previously considered; hence, a trend to develop compounds containing this element as potential agents with anticancer activity has been set for some time. Therefore, our study aimed to evaluate the anticancer activity of novel selenoesters (EDA-71, E-NS-4) in MCF-7 and MDA-MB-231 human breast cancer cells. The assays evaluating proliferation and cell viability, and flow cytometer analysis of apoptosis/autophagy induction, changes in mitochondrial membrane potential, disruption of cell cycle phases, and protein activity of mTOR, NF-κB, cyclin E1/A2, and caspases 3/7, 8, 9, 10 were performed. The obtained results indicate that the tested selenoesters are highly cytotoxic and exhibit antiproliferative activity at low micromolar doses (<5 µM) compared with cisplatin. The most active compound—EDA-71—highly induces apoptosis, which proceeds via both pathways, as evidenced by the activation of all tested caspases. Furthermore, we observed the occurrence of autophagy (↓ mTOR levels) and cell cycle arrest in the S or G2/M phase (↓ cyclin E1, ↑ cyclin A2).
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Affiliation(s)
- Dominika Radomska
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland
- Correspondence: ; Tel.: +48-85-748-57-00; Fax: +48-85-879-57-18
| | - Robert Czarnomysy
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland
| | - Anna Szymanowska
- Department of Biotechnology, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland
| | - Dominik Radomski
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland
| | - Enrique Domínguez-Álvarez
- Instituto de Química Orgánica General (IQOG-CSIC), Consejo Superior de Investigaciones Científicas, Juan de la Cierva 3, 28006 Madrid, Spain
| | - Anna Bielawska
- Department of Biotechnology, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland
| | - Krzysztof Bielawski
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland
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Selenium Yeast and Fish Oil Combination Diminishes Cancer Stem Cell Traits and Reverses Cisplatin Resistance in A549 Sphere Cells. Nutrients 2022; 14:nu14153232. [PMID: 35956408 PMCID: PMC9370110 DOI: 10.3390/nu14153232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/20/2022] [Accepted: 07/28/2022] [Indexed: 11/17/2022] Open
Abstract
Cisplatin is a prevalent chemotherapeutic agent used for non-small cell lung cancer (NSCLC) that is difficult to treat by targeted therapy, but the emergence of resistance severely limits its efficacy. Thus, an effective strategy to combat cisplatin resistance is required. This study demonstrated that, at clinically achievable concentrations, the combination of selenium yeast (Se-Y) and fish oil (FO) could synergistically induce the apoptosis of cancer stem cell (CSC)-like A549 NSCLC sphere cells, accompanied by a reversal of their resistance to cisplatin. Compared to parental A549 cells, sphere cells have higher cisplatin resistance and possess elevated CSC markers (CD133 and ABCG2), epithelial-mesenchymal transition markers (anexelekto (AXL), vimentin, and N-cadherin), and cytoprotective endoplasmic reticulum (ER) stress marker (glucose-regulated protein 78) and increased oncogenic drivers, such as yes-associated protein, transcriptional coactivator with PDZ-binding motif, β-catenin, and cyclooxygenase-2. In contrast, the proapoptotic ER stress marker CCAAT/enhancer-binding protein homologous protein and AMP-activated protein kinase (AMPK) activity were reduced in sphere cells. The Se-Y and FO combination synergistically counteracted the above molecular features of A549 sphere cells and diminished their elevated CSC-like side population. AMPK inhibition by compound C restored the side population proportion diminished by this nutrient combination. The results suggest that the Se-Y and FO combination can potentially improve the outcome of cisplatin-treated NSCLC with phenotypes such as A549 cells.
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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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Flurochloridone Induced Cell Apoptosis via ER Stress and eIF2α-ATF4/ATF6-CHOP-Bim/Bax Signaling Pathways in Mouse TM4 Sertoli Cells. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19084564. [PMID: 35457433 PMCID: PMC9024663 DOI: 10.3390/ijerph19084564] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 04/03/2022] [Accepted: 04/05/2022] [Indexed: 02/06/2023]
Abstract
Flurochloridone (FLC), as a novel herbicide, has been widely used in many countries since 1980s. Current studies have shown that FLC has toxic effects on male reproduction and its target organ is testis, while the underlying mechanism is still unknown. Mouse testis Sertoli cell line TM4 cells were used as an in vitro model and treated with FLC at different doses (40, 80, 160 μM) for different times (6, 12, 24 h). Cell viability, cytotoxicity and apoptotic cells were detected by CCK-8 assay, LDH leakage assay and flow cytometry. The protein levels of GRP78, phosphorylated-eIF2α, ATF4, ATF6, CHOP, Bim and Bax were observed by Western Blot and Immunofluorescence staining. FLC inhibited cell viability and induced cytotoxicity in dose-dependent way in TM4 cells. The percentage of apoptotic cells were 6.2% ± 0.6%, 7.3% ± 0.3%, 9.8% ± 0.4%, 13.2% ± 0.2%, respectively. The expression levels of ER stress and UPR related proteins were activated over dose. Meanwhile, the pro-apoptotic proteins (Bim and Bax) were also up-regulated in dose-dependent. After pretreated with ISRIB, the inhibitor of eIF2α phosphorylation, the elevated expression of GRP78, phosphorylated-eIF2α, ATF4, ATF6, CHOP and Bim was down to normal level accordingly. In conclusion, FLC induced apoptosis in TM4 cells mediated by UPR signaling pathways.
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Jiang H, Tang W, Song Y, Jin W, Du Q. Induction of Apoptosis by Metabolites of Rhei Radix et Rhizoma (Da Huang): A Review of the Potential Mechanism in Hepatocellular Carcinoma. Front Pharmacol 2022; 13:806175. [PMID: 35308206 PMCID: PMC8924367 DOI: 10.3389/fphar.2022.806175] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 01/24/2022] [Indexed: 11/28/2022] Open
Abstract
Liver cancer is a global disease with a high mortality rate and limited treatment options. Alternations in apoptosis of tumor cells and immune cells have become an important method for detailing the underlying mechanisms of hepatocellular carcinoma (HCC). Bcl-2 family, Caspase family, Fas and other apoptosis-related proteins have also become antagonistic targets of HCC. Da Huang (Rhei Radix et Rhizoma, RR), a traditional Chinese herb, has recently demonstrated antitumor behaviors. Multiple active metabolites of RR, including emodin, rhein, physcion, aloe-emodin, gallic acid, and resveratrol, can successfully induce apoptosis and inhibit HCC. However, the underlying mechanisms of these metabolites inhibiting the occurrence and development of HCC by inducing apoptosis is complicated owing to the multi-target and multi-pathway characteristics of traditional Chinese herbs. Accordingly, this article reviews the pathways of apoptosis, the relationship between HCC and apoptosis, the role and mechanism of apoptosis induced by mitochondrial endoplasmic reticulum pathway and death receptor pathway in HCC and the mechanism of six RR metabolites inhibiting HCC by inducing apoptosis.
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Affiliation(s)
- Huanyu Jiang
- Department of Geriatrics, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wuyinuo Tang
- Department of Geriatrics, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yang Song
- Emergency Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Wei Jin
- Emergency Department, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Quanyu Du
- Department of Endocrinology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Primaquine as a Candidate for HHV-8-Associated Primary Effusion Lymphoma and Kaposi’s Sarcoma Treatment. Cancers (Basel) 2022; 14:cancers14030543. [PMID: 35158811 PMCID: PMC8833810 DOI: 10.3390/cancers14030543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 01/18/2022] [Accepted: 01/19/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Primaquine diphosphate is introduced as a promising therapeutic candidate for HHV-8-associated diseases by inducing specific cytotoxicity in vitro through ROS- and ER stress-mediated apoptosis. PQ presented a promising anti-tumor effect in an in vivo PEL mouse model and in KS patients within a pilot clinical study. Abstract Human Herpesvirus 8 (HHV-8) is associated with three main severe orphan malignancies, Kaposi’s sarcoma (KS), multicentric Castleman’s disease (MCD), and primary effusion lymphoma (PEL), which present few therapeutic options. We identified the antimalarial primaquine diphosphate (PQ) as a promising therapeutic candidate for HHV-8-associated PEL and KS. Indeed, PQ strongly reduced cell viability through caspase-dependent apoptosis, specifically in HHV-8-infected PEL cells. Reactive oxygen species (ROS)- and endoplasmic reticulum (ER) stress-mediated apoptosis signaling pathways were found to be part of the in vitro cytotoxic effect of PQ. Moreover, PQ treatment had a clinically positive effect in a nonobese diabetic (NOD)/SCID xenograft PEL mouse model, showing a reduction in tumor growth and an improvement in survival. Finally, an exploratory proof-of-concept clinical trial in four patients harboring severe KS was conducted, with the main objectives to assess the efficacy, the safety, and the tolerability of PQ, and which demonstrated a positive efficacy on Kaposi’s sarcoma-related lesions and lymphedema.
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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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Chuai H, Zhang SQ, Bai H, Li J, Wang Y, Sun J, Wen E, Zhang J, Xin M. Small molecule selenium-containing compounds: Recent development and therapeutic applications. Eur J Med Chem 2021; 223:113621. [PMID: 34217061 DOI: 10.1016/j.ejmech.2021.113621] [Citation(s) in RCA: 79] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 02/06/2023]
Abstract
Selenium (Se) is an essential micronutrient of organism and has important function. It participates in the functions of selenoprotein in several manners. In recent years, Se has attracted much attention because of its therapeutic potential against several diseases. Many natural and synthetic organic Se-containing compounds were studied and explored for the treatment of cancer and other diseases. Studies have showed that incorporation of Se atom into small molecules significantly enhanced their bioactivities. In this paper, according to different applications and structural characteristics, the research progress and therapeutic application of Se-containing compounds are reviewed, and more than 110 Se-containing compounds were selected as representatives which showed potent activities such as anticancer, antioxidant, antifibrolytic, antiparasitic, antibacterial, antiviral, antifungal and central nervous system related effects. This review is expected to provide a basis for further study of new promising Se-containing compounds.
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Affiliation(s)
- Hongyan Chuai
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, Shaanxi, 710061, PR China
| | - San-Qi Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, Shaanxi, 710061, PR China
| | - Huanrong Bai
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, Shaanxi, 710061, PR China
| | - Jiyu Li
- Henan Xibaikang Health Industry Co., Ltd, Jiyuan, Henan, 459006, PR China
| | - Yang Wang
- Henan Xibaikang Health Industry Co., Ltd, Jiyuan, Henan, 459006, PR China
| | - Jiajia Sun
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, Shaanxi, 710061, PR China
| | - Ergang Wen
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, Shaanxi, 710061, PR China
| | - Jiye Zhang
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, Shaanxi, 710061, PR China
| | - Minhang Xin
- Department of Medicinal Chemistry, School of Pharmacy, Health Science Center, Xi'an Jiaotong University, 76 West Yanta Road, Xi'an, Shaanxi, 710061, PR China.
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12
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Exposure to the Methylselenol Precursor Dimethyldiselenide Induces a Reductive Endoplasmic Reticulum Stress in Saccharomyces cerevisiae. Int J Mol Sci 2021; 22:ijms22115467. [PMID: 34067304 PMCID: PMC8196827 DOI: 10.3390/ijms22115467] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 05/07/2021] [Accepted: 05/19/2021] [Indexed: 01/19/2023] Open
Abstract
Methylselenol (MeSeH) is a major cytotoxic metabolite of selenium, causing apoptosis in cancer cells through mechanisms that remain to be fully established. Previously, we demonstrated that, in Saccharomyces cerevisiae, MeSeH toxicity was mediated by its metabolization into selenomethionine by O-acetylhomoserine (OAH)-sulfhydrylase, an enzyme that is absent in higher eukaryotes. In this report, we used a mutant met17 yeast strain, devoid of OAH- sulfhydrylase activity, to identify alternative targets of MeSeH. Exposure to dimethyldiselenide (DMDSe), a direct precursor of MeSeH, caused an endoplasmic reticulum (ER) stress, as evidenced by increased expression of the ER chaperone Kar2p. Mutant strains (∆ire1 and ∆hac1) unable to activate the unfolded protein response were hypersensitive to MeSeH precursors but not to selenomethionine. In contrast, deletion of YAP1 or SKN7, required to activate the oxidative stress response, did not affect cell growth in the presence of DMDSe. ER maturation of newly synthesized carboxypeptidase Y was impaired, indicating that MeSeH/DMDSe caused protein misfolding in the ER. Exposure to DMDSe resulted in induction of the expression of the ER oxidoreductase Ero1p with concomitant reduction of its regulatory disulfide bonds. These results suggest that MeSeH disturbs protein folding in the ER by generating a reductive stress in this compartment.
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Tang H, Liang Y, Cheng J, Ding K, Wang Y. Bifunctional chiral selenium-containing 1,4-diarylazetidin-2-ones with potent antitumor activities by disrupting tubulin polymerization and inducing reactive oxygen species production. Eur J Med Chem 2021; 221:113531. [PMID: 34044345 DOI: 10.1016/j.ejmech.2021.113531] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/05/2021] [Accepted: 04/19/2021] [Indexed: 02/06/2023]
Abstract
Organoselenium compounds have attracted growing interests as promising antitumor agents over recent years. Herein, four series of novel selenium-containing chiral 1,4-diarylazetidin-2-ones were asymmetrically synthesized and biologically evaluated for antitumor activities. Among them, compound 7 was found to be about 10-fold more potent than its prototype compound 1a, and compound 9a exhibited the most potent cytotoxicity against five human cancer cell lines, including a paclitaxel-resistant human ovarian cancer cell line A2780T, with IC50 values ranging from 1 to 3 nM. Mechanistic studies revealed that compound 9a worked by disrupting tubulin polymerization, inducing reactive oxygen species (ROS) production, decreasing mitochondrial membrane potential, blocking the cell cycle in the G2/M phase, inducing cellular apoptosis and suppressing angiogenesis. Additionally, compound 9a exhibited appropriate human-microsomal metabolic stability and physicochemical properties. Importantly, compound 9a was found to inhibit tumor growth effectively in a xenograft mice model with low toxicity profile, which rendered 9a a highly promising candidate for further pre-clinical development.
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Affiliation(s)
- Hairong Tang
- School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Yuru Liang
- School of Pharmacy, Fudan University, Shanghai, 201203, China; State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
| | - Jiayi Cheng
- School of Pharmacy, Fudan University, Shanghai, 201203, China
| | - Kuiling Ding
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China.
| | - Yang Wang
- School of Pharmacy, Fudan University, Shanghai, 201203, China; Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, Shanghai Jiao Tong University, Shanghai, 200240, China.
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Radomska D, Czarnomysy R, Radomski D, Bielawska A, Bielawski K. Selenium as a Bioactive Micronutrient in the Human Diet and Its Cancer Chemopreventive Activity. Nutrients 2021; 13:1649. [PMID: 34068374 PMCID: PMC8153312 DOI: 10.3390/nu13051649] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 05/06/2021] [Accepted: 05/11/2021] [Indexed: 12/15/2022] Open
Abstract
This review answers the question of why selenium is such an important trace element in the human diet. Daily dietary intake of selenium and its content in various food products is discussed in this paper, as well as the effects of its deficiency and excess in the body. Moreover, the biological activity of selenium, which it performs mainly through selenoproteins, is discussed. These specific proteins are responsible for thyroid hormone management, fertility, the aging process, and immunity, but their key role is to maintain a redox balance in cells. Furthermore, taking into account world news and the current SARS-CoV-2 virus pandemic, the impact of selenium on the course of COVID-19 is also discussed. Another worldwide problem is the number of new cancer cases and cancer-related mortality. Thus, the last part of the article discusses the impact of selenium on cancer risk based on clinical trials (including NPC and SELECT), systematic reviews, and meta-analyses. Additionally, this review discusses the possible mechanisms of selenium action that prevent cancer development.
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Affiliation(s)
- Dominika Radomska
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland; (D.R.); (D.R.); (K.B.)
| | - Robert Czarnomysy
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland; (D.R.); (D.R.); (K.B.)
| | - Dominik Radomski
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland; (D.R.); (D.R.); (K.B.)
| | - Anna Bielawska
- Department of Biotechnology, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland;
| | - Krzysztof Bielawski
- Department of Synthesis and Technology of Drugs, Medical University of Bialystok, Kilinskiego 1, 15-089 Bialystok, Poland; (D.R.); (D.R.); (K.B.)
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Cai C, Wu Y, Yang L, Xiang Y, Zhu N, Zhao H, Hu W, Lv L, Zeng C. Sodium Selenite Attenuates Balloon Injury-Induced and Monocrotaline-Induced Vascular Remodeling in Rats. Front Pharmacol 2021; 12:618493. [PMID: 33790787 PMCID: PMC8005533 DOI: 10.3389/fphar.2021.618493] [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: 10/17/2020] [Accepted: 01/19/2021] [Indexed: 02/01/2023] Open
Abstract
Vascular remodeling (VR), induced by the massive proliferation and reduced apoptosis of vascular smooth muscle cells (VSMCs), is primarily responsible for many cardiovascular conditions, such as restenosis and pulmonary arterial hypertension. Sodium selenite (SSE) is an inorganic selenium, which can block proliferation and stimulate apoptosis of tumor cells; still, its protective effects on VR remains unknown. In this study, we established rat models with carotid artery balloon injury and monocrotaline induced pulmonary arterial hypertension and administered them SSE (0.25, 0.5, or 1 mg/kg/day) orally by feeding tube for 14 consecutive days. We found that SSE treatment greatly ameliorated the development of VR as evidenced by an improvement of its characteristic features, including elevation of the ratio of carotid artery intimal area to medial area, right ventricular hypertrophy, pulmonary arterial wall hypertrophy and right ventricular systolic pressure. Furthermore, PCNA and TUNEL staining of the arteries showed that SSE suppressed proliferation and enhanced apoptosis of VSMCs in both models. Compared with the untreated VR rats, lower expression of PCNA and CyclinD1, but higher levels of Cleaved Caspase-3 and Bax/Bcl-2 were observed in the SSE-treated rats. Moreover, the increased protein expression of MMP2, MMP9, p-AKT, p-ERK, p-GSK3β and β-catenin that occurred in the VR rats were significantly inhibited by SSE. Collectively, treatment with SSE remarkably attenuates the pathogenesis of VR, and this protection may be associated with the inhibition of AKT and ERK signaling and prevention of VSMC’s dysfunction. Our study suggest that SSE is a potential agent for treatment of VR-related diseases.
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Affiliation(s)
- Changhong Cai
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Yonghui Wu
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Lebing Yang
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Yijia Xiang
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Ning Zhu
- Department of Cardiology, The Wenzhou Third Clinical Institute Affiliated To Wenzhou Medical University, Wenzhou People's Hospital, Wenzhou, China
| | - Huan Zhao
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Wuming Hu
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Lingchun Lv
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
| | - Chunlai Zeng
- Department of Cardiology, Lishui Hospital of Zhejiang University, The Fifth Affiliated Hospital of Wenzhou Medical University, Lishui Municipal Central Hospital, Lishui, China
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16
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Radomska D, Czarnomysy R, Radomski D, Bielawski K. Selenium Compounds as Novel Potential Anticancer Agents. Int J Mol Sci 2021; 22:ijms22031009. [PMID: 33498364 PMCID: PMC7864035 DOI: 10.3390/ijms22031009] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 01/14/2021] [Accepted: 01/17/2021] [Indexed: 12/21/2022] Open
Abstract
The high number of new cancer incidences and the associated mortality continue to be alarming, leading to the search for new therapies that would be more effective and less burdensome for patients. As there is evidence that Se compounds can have chemopreventive activity, studies have begun to establish whether these compounds can also affect already existing cancers. This review aims to discuss the different classes of Se-containing compounds, both organic and inorganic, natural and synthetic, and the mechanisms and molecular targets of their anticancer activity. The chemical classes discussed in this paper include inorganic (selenite, selenate) and organic compounds, such as diselenides, selenides, selenoesters, methylseleninic acid, 1,2-benzisoselenazole-3[2H]-one and selenophene-based derivatives, as well as selenoamino acids and Selol.
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17
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Varlamova EG, Zaripov OG. Beta-lactoglobulin-nutrition allergen and nanotransporter of different nature ligands therapy with therapeutic action. Res Vet Sci 2020; 133:17-25. [PMID: 32919234 DOI: 10.1016/j.rvsc.2020.08.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 08/08/2020] [Accepted: 08/28/2020] [Indexed: 02/06/2023]
Abstract
β-lactoglobulin is one of the nutrition allergens present in the milk of many mammals, with the exception of human. This protein belongs to the family of lipocalins, consisting of nine antiparallel β-strands (β-A to β-I) and one α-helix. This structure allows it to serve as a nanotransporter of various nature ligands in a pH dependent manner, which allows us to confidently consider it as a reliable carrier of drugs directly into the intestine, bypassing the destructive acidic environment of the stomach. Based on the latest data, this review describes the currently known methods of reducing the allergenicity of beta-lactoglobulin, as well as the mechanisms and methods of forming complexes of this protein with ligands, which emphasizes its importance and versatility and explains the growing interest in studying its properties in recent decades, and also opens up prospects for its practical application in medicine and pharmaceuticals.
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Affiliation(s)
- E G Varlamova
- Federal State Institution of Science Institute of Cell Biophysics, Russian Academy of Sciences, Institutskaya st. 3, 142290, Pushchino, Moscow Region, Russia.
| | - O G Zaripov
- Federal Science Center for Animal Husbandry named after Academy Member L.K. Ernst, Dubrovitsy village, house 60, 142132, Moscow region, Podolsky city district, Russia
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18
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Gao F, Fan H. Heat shock protein 5 and inflammatory bowel disease. Shijie Huaren Xiaohua Zazhi 2020; 28:802-806. [DOI: 10.11569/wcjd.v28.i16.802] [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] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel disease is a kind of chronic recurrent intestinal inflammatory disease whose occurrence and development are affected by the integrity of the mucosal barrier. As the main component of the mucosal barrier, intestinal epithelial cells mainly include Paneth cells, goblet cells, etc. Heat shock protein 5 is a key factor for endoplasmic reticulum stress, and it affects the survival and apoptosis of intestinal epithelial cells mainly through endoplasmic reticulum stress pathways, and then participates in the process of inflammatory bowel disease.
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Affiliation(s)
- Fei Gao
- Department of Integrated Chinese and Western Medicine, Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
| | - Heng Fan
- Department of Integrated Chinese and Western Medicine, Union Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, Hubei Province, China
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19
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Omega-3 Fatty Acid-Enriched Fish Oil and Selenium Combination Modulates Endoplasmic Reticulum Stress Response Elements and Reverses Acquired Gefitinib Resistance in HCC827 Lung Adenocarcinoma Cells. Mar Drugs 2020; 18:md18080399. [PMID: 32751169 PMCID: PMC7460277 DOI: 10.3390/md18080399] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2020] [Revised: 07/22/2020] [Accepted: 07/24/2020] [Indexed: 12/17/2022] Open
Abstract
Non-small cell lung cancer (NSCLC)-carrying specific epidermal growth factor receptor (EGFR) mutations can be effectively treated by a tyrosine kinase inhibitor such as gefitinib. However, the inevitable development of acquired resistance leads to the eventual failure of therapy. In this study, we show the combination effect of omega-3 fatty acid-enriched fish oil (FO) and selenium (Se) on reversing the acquired gefitinib-resistance of HCC827 NSCLC cells. The gefitinib-resistant subline HCC827GR possesses lowered proapoptotic CHOP (CCAAT/enhancer-binding protein homologous protein) and elevated cytoprotective GRP78 (glucose regulated protein of a 78 kDa molecular weight) endoplasmic reticulum (ER) stress response elements, and it has elevated β-catenin and cyclooxygenase-2 (COX-2) levels. Combining FO and Se counteracts the above features of HCC827GR cells, accompanied by the suppression of their raised epithelial-to-mesenchymal transition (EMT) and cancer stem markers, such as vimentin, AXL, N-cadherin, CD133, CD44, and ABCG2. Accordingly, an FO and Se combination augments the gefitinib-mediated growth inhibition and apoptosis of HCC827GR cells, along with the enhanced activation of caspase -3, -9, and ER stress-related caspase-4. Intriguingly, gefitinib further increases the elevated ABCG2 and cancer stem-like side population in HCC827GR cells, which can also be diminished by the FO and Se combination. The results suggest the potential of combining FO and Se in relieving the acquired resistance of NSCLC patients to targeted therapy.
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20
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Ren L, Liu J, Wei J, Du Y, Zou K, Yan Y, Wang Z, Zhang L, Zhang T, Lu H, Zhou X, Sun Z. Silica nanoparticles induce unfolded protein reaction mediated apoptosis in spermatocyte cells. Toxicol Res (Camb) 2020; 9:454-460. [PMID: 32905213 DOI: 10.1093/toxres/tfaa036] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 01/19/2023] Open
Abstract
With increasing air pollution, silica nanoparticles (SiNPs), as a main inorganic member of PM2.5, have gained increasing attention to its reproductive toxicity. Most existing studies focused on the acute exposure, while data regarding the chronic effect of SiNPs on reproduction is limited. Therefore, this study was designed to evaluate the chronic toxicity of SiNPs on spermatocyte cells. The cells were continuously exposed to SiNPs for 1, 10, 20 and 30 generations at dose of 5 μg/ml SiNPs for 24 h per generation after attachment. The results showed that with the increasing generations of the exposure, SiNPs decreased the viability of spermatocyte cells, induced apoptosis and increased the level of reactive oxygen species in spermatocyte cells. Moreover, SiNPs increased the protein expression of GRP-78, p-PERK, IRE1α, ATF6 and Cleaved caspase-3 in spermatocyte cells, suggesting that SiNPs improved unfolded protein response (UPR) and apoptosis. The present results indicated that the long-term and low-dose exposure to SiNPs could induce apoptosis by triggering ROS-mediated UPR in spermatocyte cells.
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Affiliation(s)
- Lihua Ren
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, No 10 Xi Tou Tiao, Fengtai District, Beijing 100069, China
| | - Jianhui Liu
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, No 10 Xi Tou Tiao, Fengtai District, Beijing 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, No 10 Xi Tou Tiao, Fengtai District, Beijing 100069, China
| | - Jialiu Wei
- Department of Epidemiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, No 167 North Lishi Road, Xicheng District, Beijing 100037, China
| | - Yefan Du
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Kaiyue Zou
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Yongyang Yan
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Zhihao Wang
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Linruo Zhang
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Tong Zhang
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Hong Lu
- Division of Maternal and Child Nursing, School of Nursing, Peking University Health Science Centre, No 38 Xueyuan Road, Haidian District, Beijing 100191, China
| | - Xianqing Zhou
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, No 10 Xi Tou Tiao, Fengtai District, Beijing 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, No 10 Xi Tou Tiao, Fengtai District, Beijing 100069, China
| | - Zhiwei Sun
- Department of Toxicology and Hygienic Chemistry, School of Public Health, Capital Medical University, No 10 Xi Tou Tiao, Fengtai District, Beijing 100069, China
- Beijing Key Laboratory of Environmental Toxicology, Capital Medical University, No 10 Xi Tou Tiao, Fengtai District, Beijing 100069, China
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21
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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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22
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Goltyaev MV, Varlamova EG, Novoselov SV, Fesenko EE. Activation of Signal Pathways of Apoptosis under Conditions of Prolonged ER-Stress Caused by Exposure of Mouse Testicular Teratoma Cells to Selenium-Containing Compounds. DOKL BIOCHEM BIOPHYS 2020; 490:9-11. [PMID: 32342303 DOI: 10.1134/s160767292001007x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 08/15/2019] [Accepted: 08/15/2019] [Indexed: 11/23/2022]
Abstract
Aim to study the molecular mechanisms of apoptotic death of mouse testicular teratocarcinoma cells (line F-9) under exposure to the widely used selenium-containing compounds with antitumor activity, sodium selenite and methylseleninic acid. Methods fluorescence microscopy, MTT assay, Western blotting. Results It was shown that sodium selenite at a concentration of 10 μM and methylseleninic acid at concentrations of 1 and 10 μM cause apoptosis-dependent death of F-9 cells, excluding necrotic death. Western blotting showed an increase in the expression of XBP1s when treating F-9 cells with 1 μM methylseleninic acid. Conclusions 10 μM methylseleninic acid leads to cell apoptosis, most likely by activation of the IRE1 signaling pathway under prolonged stress of the endoplasmic reticulum.
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Affiliation(s)
- M V Goltyaev
- Institute of Cell Biophysics of the Russian Academy Sciences, Pushchino, Moscow Region, Russia
| | - E G Varlamova
- Institute of Cell Biophysics of the Russian Academy Sciences, Pushchino, Moscow Region, Russia.
| | - S V Novoselov
- Institute of Cell Biophysics of the Russian Academy Sciences, Pushchino, Moscow Region, Russia
| | - E E Fesenko
- Institute of Cell Biophysics of the Russian Academy Sciences, Pushchino, Moscow Region, Russia
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23
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Yang L, Guo N, Fan W, Ni C, Huang M, Bai L, Zhang L, Zhang X, Wen Y, Li Y, Zhou X, Bai J. Thioredoxin-1 blocks methamphetamine-induced injury in brain through inhibiting endoplasmic reticulum and mitochondria-mediated apoptosis in mice. Neurotoxicology 2020; 78:163-169. [PMID: 32203791 DOI: 10.1016/j.neuro.2020.03.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 03/12/2020] [Accepted: 03/12/2020] [Indexed: 02/06/2023]
Abstract
Methamphetamine (METH) has been reported to induce endoplasmic reticulum (ER) stress and neuronal apoptosis in the central nervous system (CNS) during the development of addiction. Thioredoxin-1 (Trx-1) is a redox regulating protein and plays an important role in inhibiting apoptosis and protects neurons from cytotoxicity through ER and mitochondria-mediated pathways. Our previous study has been reported that Trx-1 protects mice from METH-induced rewarding effect. However, whether Trx-1 plays the role in resisting METH injury is still unclear. Here, we aim to investigate whether Trx-1 participates in the regulation of METH-induced CNS injury via ER stress and mitochondria-mediated pathways. Our study first repeated the conditioned place preference expression induced by METH. Then we detected and found that METH increased the expression of N-methyl-d-asparate (NMDA) receptor subunit 2B (NR2B) and the level of glutamate (Glu) in the ventral tegmental area (VTA) and nucleus accumbens (NAc), while Trx-1 overexpression suppressed the increases. We further examined ER stress-related proteins and mitochondrial apoptosis pathway in the VTA and NAc, and found that METH increased the expressions of glucose regulated protein 78 (GRP78), C/EBP homologous protein (CHOP), and Bax, as same time decreased the expressions of procaspase12, Bcl-2, and procaspase3, while Trx-1 overexpression blocked these changes. These results indicate that Trx-1 blocks METH-induced injury by suppressing ER stress and mitochondria-mediated apoptosis in the VTA and NAc via targeting glutamatergic system.
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Affiliation(s)
- Lihua Yang
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China; Narcotics Control School, Yunnan Police College, Kunming, 650223, China
| | - Ningning Guo
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Wei Fan
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Chunmin Ni
- Narcotics Control School, Yunnan Police College, Kunming, 650223, China
| | - Mengbing Huang
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Liping Bai
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Le Zhang
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Xianwen Zhang
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Yunbo Wen
- Narcotics Control School, Yunnan Police College, Kunming, 650223, China
| | - Ye Li
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Xiaoshuang Zhou
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China
| | - Jie Bai
- Medical School, Kunming University of Science and Technology, Kunming, 650500, China.
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24
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Wu H, Guo H, Liu H, Cui H, Fang J, Zuo Z, Deng J, Li Y, Wang X, Zhao L. Copper sulfate-induced endoplasmic reticulum stress promotes hepatic apoptosis by activating CHOP, JNK and caspase-12 signaling pathways. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 191:110236. [PMID: 32001424 DOI: 10.1016/j.ecoenv.2020.110236] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/16/2020] [Accepted: 01/21/2020] [Indexed: 06/10/2023]
Abstract
Copper (Cu), a transition metal, is an essential trace element in human and animal nutrition at low concentration, but Cu has toxic effects on tissues and organs at high concentration. Endoplasmic reticulum (ER) is a toxicological target in Cu poison. Thus far, no studies have focused on the relationship among copper, endoplasmic reticulum (ER) stress and apoptosis in animal and human livers. In the present study, mice treated with copper sulfate (CuSO4) were used to assess the impacts of copper on ER stress and hepatic apoptosis. A total of 240 mice were orally administered with 0 (control), 10, 20 and 40 mg/kg of CuSO4 for 42 days. The results indicated that CuSO4 at 10 mg/kg markedly induced hepatocyte apoptosis and ER stress. In addition, ER stress was characterized by the increased mRNA and protein levels of glucose-regulated protein 78 (GRP78) and 94 (GRP94). Furthermore, ER stress-triggered 3 apoptotic pathways were also activated by the increased intracellular calcium and up-regulated expression levels of genes involved in growth arrest- and DNA damage-inducible gene 153 (Gadd153/CHOP), c-Jun N-terminal kinase (JNK) and cysteine aspartate-specific protease 12 (caspase-12) signaling pathways in CuSO4-treated mice. In conclusion, CuSO4-induced ER stress can promote hepatic apoptosis in mice by activating CHOP, JNK and caspase-12 signaling pathways.
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Affiliation(s)
- Hongbin Wu
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Hongrui Guo
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China
| | - Huan Liu
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China
| | - Hengmin Cui
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Agricultural information engineering of Sichuan Province, Sichuan Agriculture University, Yaan, Sichuan, 625014, China.
| | - Jing Fang
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China
| | - Zhicai Zuo
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China
| | - Junliang Deng
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China
| | - Yinglun Li
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China
| | - Xun Wang
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China
| | - Ling Zhao
- College of Veterinary Medicine, Sichuan Agricultural University, Wenjiang, Chengdu, 611130, China; Key Laboratory of Animal Diseases and Environmental Hazards of Sichuan Province, Sichuan Agriculture University, Wenjiang, Chengdu, 611130, China
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Hariharan S, Dharmaraj S. Selenium and selenoproteins: it's role in regulation of inflammation. Inflammopharmacology 2020; 28:667-695. [PMID: 32144521 PMCID: PMC7222958 DOI: 10.1007/s10787-020-00690-x] [Citation(s) in RCA: 256] [Impact Index Per Article: 64.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Accepted: 02/06/2020] [Indexed: 12/22/2022]
Abstract
Abstract Selenium is an essential immunonutrient which holds the human’s metabolic activity with its chemical bonds. The organic forms of selenium naturally present in human body are selenocysteine and selenoproteins. These forms have a unique way of synthesis and translational coding. Selenoproteins act as antioxidant warriors for thyroid regulation, male-fertility enhancement, and anti-inflammatory actions. They also participate indirectly in the mechanism of wound healing as oxidative stress reducers. Glutathione peroxidase (GPX) is the major selenoprotein present in the human body, which assists in the control of excessive production of free radical at the site of inflammation. Other than GPX, other selenoproteins include selenoprotein-S that regulates the inflammatory cytokines and selenoprotein-P that serves as an inducer of homeostasis. Previously, reports were mainly focused on the cellular and molecular mechanism of wound healing with reference to various animal models and cell lines. In this review, the role of selenium and its possible routes in translational decoding of selenocysteine, synthesis of selenoproteins, systemic action of selenoproteins and their indirect assimilation in the process of wound healing are explained in detail. Some of the selenium containing compounds which can acts as cancer preventive and therapeutics are also discussed. These compounds directly or indirectly exhibit antioxidant properties which can sustain the intracellular redox status and these activities protect the healthy cells from reactive oxygen species induced oxidative damage. Although the review covers the importance of selenium/selenoproteins in wound healing process, still some unresolved mystery persists which may be resolved in near future. Graphic abstract ![]()
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Affiliation(s)
- Sneha Hariharan
- Department of Biochemistry, Karpagam Academy of Higher Education, Eachanari Post, Pollachi Main Road, Coimbatore, Tamil Nadu, 641021, India
| | - Selvakumar Dharmaraj
- Department of Biochemistry, Karpagam Academy of Higher Education, Eachanari Post, Pollachi Main Road, Coimbatore, Tamil Nadu, 641021, India.
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Li K, Qi H, Liu Q, Li T, Chen W, Li S, Piao HL, Yin H. Preparation and antitumor activity of selenium-modified glucomannan oligosaccharides. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103731] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
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Shi K, An J, Qian K, Zhao X, Li F, Ma X, Wang Y, Zhang Y. p53 controls the switch between autophagy and apoptosis through regulation of PLSCR1 in sodium selenite-treated leukemia cells. Exp Cell Res 2020; 389:111879. [PMID: 32017928 DOI: 10.1016/j.yexcr.2020.111879] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 01/22/2020] [Accepted: 01/28/2020] [Indexed: 01/31/2023]
Abstract
Coordinated regulation of autophagy and apoptosis helps to enhance the antitumor effects of sodium selenite. However, the potential molecules that act as switch nodes in the crosstalk between autophagy and apoptosis is still elusive. Phospholipid scramblase 1 (PLSCR1) has been shown to regulate leukocyte differentiation, while its role in autophagy/apoptosis toggle switch remains unexplored. In this study, we showed that sodium selenite switched protective autophagy to apoptosis in p53-wild type NB4 cells without obvious caspase-8/apoptosis-inducing factor (AIF) axis activation, while induced autophagy-dependent caspase-8/AIF axis activation in p53-mutant Jurkat cells. Additionally, p53 was demonstrated as a positive regulator of PLSCR1. p53-dependent up-regulation of PLSCR1 accounted for the differential regulation of autophagy and apoptosis induced by sodium selenite. Furthermore, sodium selenite induced the release of AIF from mitochondria to cytosol with the facilitation of caspase-8 in Jurkat cells, while not in NB4 cells. The released AIF further enhanced autophagy flux through interacting with PLSCR1, which hereby resulting in the disassociation of PLSCR1 from Atg5-Atg12 complex. Our results indicate that PLSCR1 plays a critical role in p53-dependent regulation of autophagy and apoptosis in sodium selenite-treated leukemia cells. Manipulation of p53-PLSCR1 cascade might be beneficial to enhance the anti-tumor effects of sodium selenite.
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Affiliation(s)
- Kejian Shi
- Department of Thoracic Surgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, PR China; Beijing Research Institute of Traumatology and Orthopaedics, Beijing, 100035, PR China; State Key Laboratory of Medical Molecular Biology, Department of Biochemistry and Molecular Biology, Institute of Basic Medicine Sciences & School of Basic Medicine, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100005, PR China.
| | - Jiajia An
- Department of Clinical Laboratory, Binzhou Medical University Hospital, Binzhou, 256603, PR China; State Key Laboratory of Medical Molecular Biology, Department of Biochemistry and Molecular Biology, Institute of Basic Medicine Sciences & School of Basic Medicine, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100005, PR China.
| | - Kun Qian
- Department of Thoracic Surgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, PR China.
| | - Xin Zhao
- Department of Thoracic Surgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, PR China.
| | - Feng Li
- State Key Laboratory of Medical Molecular Biology, Department of Biochemistry and Molecular Biology, Institute of Basic Medicine Sciences & School of Basic Medicine, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100005, PR China.
| | - Xiaowei Ma
- Laboratory of Controllable Nanopharmaceuticals, Chinese Academy of Sciences (CAS) Center for Excellence in Nanoscience and CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing, 100190, PR China.
| | - Ying Wang
- Beijing Research Institute of Traumatology and Orthopaedics, Beijing, 100035, PR China.
| | - Yi Zhang
- Department of Thoracic Surgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, PR 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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Varlamova EG, Maltseva VN. Micronutrient Selenium: Uniqueness and Vital Functions. Biophysics (Nagoya-shi) 2019. [DOI: 10.1134/s0006350919040213] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Carlsten M, Namazi A, Reger R, Levy E, Berg M, St Hilaire C, Childs RW. Bortezomib sensitizes multiple myeloma to NK cells via ER-stress-induced suppression of HLA-E and upregulation of DR5. Oncoimmunology 2018; 8:e1534664. [PMID: 30713790 PMCID: PMC6343814 DOI: 10.1080/2162402x.2018.1534664] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 09/16/2018] [Accepted: 10/05/2018] [Indexed: 12/31/2022] Open
Abstract
Although the proteasome inhibitor bortezomib has significantly improved the survival of patients with multiple myeloma (MM), the disease remains fatal as most patients eventually develop progressive disease. Recent data indicate that MM cells can evade bortezomib-induced cell death by undergoing autophagy as a consequence of endoplasmatic reticulum (ER)-stress induced by proteasome inhibition. Here we show that bortezomib sensitizes MM cells to NK cell killing via two distinct mechanisms: a) upregulation of the TRAIL death receptor DR5 on the surface of MM cells and b) ER-stress induced reduction of cell surface HLA-E. The latter mechanism is completely novel and was found to be exclusively controlled by the inhibitory receptor NKG2A, with NKG2A single-positive (NKG2ASP) NK cells developing a selective augmentation in tumor killing as a consequence of bortezomib-induced loss of HLA-E on the non-apoptotic MM cells. In contrast, the expression of classical HLA class I molecules remained unchanged following bortezomib exposure, diminishing the augmentation of MM killing by NK cells expressing KIR. Further, we found that feeder cell-based ex vivo expansion of NK cells increased both NK cell TRAIL surface expression and the percentage of NKG2ASP NK cells compared to unexpanded controls, substantially augmenting their capacity to kill bortezomib-treated MM cells. Based on these findings, we hypothesize that infusion of ex vivo expanded NK cells following treatment with bortezomib could eradicate MM cells that would normally evade killing through proteasome inhibition alone, potentially improving long-term survival among MM patients.
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Affiliation(s)
- Mattias Carlsten
- Laboratory of Transplantation Immunotherapy, Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD USA
| | - Ali Namazi
- Laboratory of Transplantation Immunotherapy, Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD USA
| | - Robert Reger
- Laboratory of Transplantation Immunotherapy, Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD USA
| | - Emily Levy
- Laboratory of Transplantation Immunotherapy, Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD USA
| | - Maria Berg
- Laboratory of Transplantation Immunotherapy, Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD USA
| | - Cynthia St Hilaire
- Laboratory of Cardiovascular Regenerative Medicine, Center for Molecular Medicine, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD USA
| | - Richard W Childs
- Laboratory of Transplantation Immunotherapy, Hematology Branch, National Heart Lung and Blood Institute, National Institutes of Health, Bethesda, MD USA
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Gandin V, Khalkar P, Braude J, Fernandes AP. Organic selenium compounds as potential chemotherapeutic agents for improved cancer treatment. Free Radic Biol Med 2018; 127:80-97. [PMID: 29746900 DOI: 10.1016/j.freeradbiomed.2018.05.001] [Citation(s) in RCA: 182] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 04/12/2018] [Accepted: 05/01/2018] [Indexed: 12/16/2022]
Abstract
Selenium(Se)-containing compounds have attracted a growing interest as anticancer agents over recent decades, with mounting reports demonstrating their high efficacy and selectivity against cancer cells. Typically, Se compounds exert their cytotoxic effects by acting as pro-oxidants that alter cellular redox homeostasis. However, the precise intracellular targets, signalling pathways affected and mechanisms of cell death engaged following treatment vary with the chemical properties of the selenocompound and its metabolites, as well as the cancer model that is used. Naturally occurring organic Se compounds, besides encompassing a significant antitumor activity with an apparent ability to prevent metastasis, also seem to have fewer side effects and less systemic effects as reported for many inorganic Se compounds. On this basis, many novel organoselenium compounds have also been synthesized and examined as potential chemotherapeutic agents. This review aims to summarize the most well studied natural and synthetic organoselenium compounds and provide the most recent developments in our understanding of the molecular mechanisms that underlie their potential anticancer effects.
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Affiliation(s)
- Valentina Gandin
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo 5, 35131 Padova, Italy
| | - Prajakta Khalkar
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics (MBB), Karolinska Institutet, SE-171 77 Stockholm, Sweden
| | - Jeremy Braude
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo 5, 35131 Padova, Italy
| | - Aristi P Fernandes
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics (MBB), Karolinska Institutet, SE-171 77 Stockholm, Sweden.
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Opposite Regulation of CHOP and GRP78 and Synergistic Apoptosis Induction by Selenium Yeast and Fish Oil via AMPK Activation in Lung Adenocarcinoma Cells. Nutrients 2018; 10:nu10101458. [PMID: 30297634 PMCID: PMC6213479 DOI: 10.3390/nu10101458] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Revised: 09/18/2018] [Accepted: 09/26/2018] [Indexed: 11/17/2022] Open
Abstract
Selenium has been intensively studied for the use of cancer prevention and treatment. However, the clinical effects are still plausible. To enhance its efficacy, a combinational study of selenium yeast (SY) and fish oil (FO) was performed in A549, CL1-0, H1299, HCC827 lung adenocarcinoma (LADC) cells to investigate the enhancement in apoptosis induction and underlying mechanism. By sulforhodamine B staining, Western blot and flow cytometric assays, we found a synergism between SY and FO in growth inhibition and apoptosis induction of LADC cells. In contrast, the fetal lung fibroblast cells (MRC-5) were unsusceptible to this combination effect. FO synergized SY-induced apoptosis of A549 cells, accompanied with synergistic activation of AMP-activated protein kinase (AMPK) and reduction of Cyclooxygenase (COX)-2 and β-catenin. Particularly, combining with FO not only enhanced the SY-elevated proapoptotic endoplasmic reticulum (ER) stress marker CCAAT/enhancer-binding protein homologous protein (CHOP), but also reduced the cytoprotective glucose regulated protein of molecular weight 78 kDa (GRP78). Consequently, the CHOP downstream targets such as phospho-JNK and death receptor 5 were also elevated, along with the cleavage of caspase-8, -3, and the ER stress-related caspase-4. Accordingly, inhibition of AMPK by compound C diminished the synergistic apoptosis induction, and elevated CHOP/GRP78 ratio by SY combined with FO. The AMPK-dependent synergism suggests the combination of SY and FO for chemoprevention and integrative treatment of LADC.
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Pei W, Wu Y, Zhang X, Lv K, Zhang Y, Li Z, Liang F, Dai C, Wang L, Gao J, Zhang Y. Deletion of ApoM gene induces apoptosis in mouse kidney via mitochondrial and endoplasmic reticulum stress pathways. Biochem Biophys Res Commun 2018; 505:891-897. [PMID: 30301532 DOI: 10.1016/j.bbrc.2018.09.162] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Accepted: 09/25/2018] [Indexed: 11/30/2022]
Abstract
Apolipoprotein M (ApoM) is involved in lipid metabolism, and especially is involved in reverse cholesterol transport. However, the relationship between ApoM and apoptosis has been rarely reported. This study aimed to investigate the effect of ApoM on apoptosis using an ApoM gene-deficient mice (ApoM-/-) model and a mouse mesangial cell model with suppressed ApoM gene expression. First, we observed by transmission electron microscopy that mitochondrial damage and endoplasmic reticulum stress were abnormally altered in the kidneys of ApoM-/- mice compared with wild-type mice, showing mitochondrial swelling, vacuolization, myeloid changes, and expansion of the rough endoplasmic reticulum. At the molecular level, the expression of pro-apoptotic related proteins such as AIF, Bax, chop, clever-caspase 3, clever-caspase 7, clever-caspase 9, and clever-caspase 12 increased, and the expression of anti-apoptotic protein Bcl-2 decreased. Secondly, by interfering with the expression of the ApoM gene in mouse mesangial cells, we found that, compared with the control group (NC-si), the cells of the experimental group (siApoM) showed decreased cell viability, nuclear chromatin condensation, nuclear lysis, and an increased proportion of early apoptotic cells. The results in cells at the molecular level were consistent with those at the tissue level. These data indicated that the deletion of the ApoM gene led to upregulation of apoptosis in mouse kidney tissues and mesangial cells through the mitochondrial and endoplasmic reticulum pathways.
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Affiliation(s)
- Wenjun Pei
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China; Department of Biochemistry and Molecular Biology, Wannan Medical Collage, Wuhu, 241002, China
| | - Yali Wu
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China
| | - Xiao Zhang
- Department of General Surgery, Affiliated Provincial Hospital of Anhui Medical University, Hefei, 230001, China
| | - Kangjia Lv
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China
| | - Yang Zhang
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China
| | - Zihui Li
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China
| | - Feiteng Liang
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China
| | - Chengye Dai
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China
| | - Lizhuo Wang
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China; Department of Biochemistry and Molecular Biology, Wannan Medical Collage, Wuhu, 241002, China
| | - Jialin Gao
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China
| | - Yao Zhang
- Anhui Province Key Laboratory of Biological Macro-molecules Research, Wannan Medical College, Wuhu, 241002, China; Department of Biochemistry and Molecular Biology, Wannan Medical Collage, Wuhu, 241002, China.
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Kuznetsova YP, Goltyaev MV, Gorbacheva OS, Novoselov SV, Varlamova EG, Fesenko EE. Influence of Sodium Selenite on the mRNA Expression of the Mammalian Selenocysteine-Containing Protein Genes in Testicle and Prostate Cancer Cells. DOKL BIOCHEM BIOPHYS 2018; 480:131-134. [PMID: 30008092 DOI: 10.1134/s1607672918030018] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Indexed: 12/21/2022]
Abstract
The sodium selenite concentration that reduces the viability of Du-145 human prostate adenocarcinoma cells and F-9 mouse testicular teratocarcinoma cells was determined. We investigated the effect of sodium selenite on the mRNA expression level of the genes encoding mammalian selenocysteine-containing glutathione peroxidases and thioredoxin reductases (key antioxidant enzymes involved in the regulation of intracellular thiol redox balance), endoplasmic reticulum selenoproteins, and selenoproteins located in the testes and prostate.
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Affiliation(s)
- Yu P Kuznetsova
- Voronezh State University of Engineering Technology, Voronezh, 394036, Russia
| | - M V Goltyaev
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow oblast, 142290, Russia.
| | - O S Gorbacheva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow oblast, 142290, Russia
| | - S V Novoselov
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow oblast, 142290, Russia
| | - E G Varlamova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow oblast, 142290, Russia
| | - E E Fesenko
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino, Moscow oblast, 142290, Russia
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Mazzio EA, Lewis CA, Soliman KFA. Transcriptomic Profiling of MDA-MB-231 Cells Exposed to Boswellia Serrata and 3-O-Acetyl-B-Boswellic Acid; ER/UPR Mediated Programmed Cell Death. Cancer Genomics Proteomics 2018; 14:409-425. [PMID: 29109091 DOI: 10.21873/cgp.20051] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2017] [Revised: 10/01/2017] [Accepted: 10/05/2017] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND/AIM Triple-negative breast cancer (TNBC) is characterized by the absence of hormone receptors (estrogen, progesterone and human epidermal growth factor receptor-2) and a relatively poor prognosis due to inefficacy of hormone receptor-based chemotherapies. It is imperative that we continue to explore natural products with potential to impede growth and metastasis of TNBC. In this study, we screened over 1,000 natural products for capacity to induce cell death in TNBC (MDA-MB -231) cells. MATERIALS AND METHODS Frankincense (Boswellia serrata extract (BSE)) and 3-O-Acetyl-β-boswellic acid (3-OAβBA) were relatively potent, findings that corroborate the body of existing literature. The effects of BSE and 3-OAβBA on genetic parameters in MDA-MB-231 cells were evaluated by examining whole-transcriptomic influence on mRNAs, long intergenic non-coding RNA transcripts (lincRNA) and non-coding miRNAs. RESULTS Bio-statistical analysis demarcates the primary effect of both BSE/3-OAβBA on the up-regulation of PERK (protein kinase RNA-like endoplasmic reticulum kinase)- endoplasmic reticulum (ER)/unfolded protein response (UPR) pathways that are closely tied to activated programmed cell death (APCD). Global profiling confirms concomitant effects of BSE/3-OAβBA on upwardly expressed ER/URP APCD key components PERK (EIF2AK3), XBP1, C/EBP homologous protein transcription factor (CHOP), ATF3 and DDIT3,4/DNA-damage-inducible transcript 3,4 (GADD34). Further, BSE and/or 3-OAβBA significantly down-regulated oncogenes (OG) which, heretofore, lack functional pathway mapping, but are capable of driving epithelial-mesenchymal transition (EMT), cell survival, proliferation, metastasis and drug resistance. Among these are cell migration-inducing protein hyaluronan binding (CEMIP) [-7.22]; transglutaminase 2 [-4.96], SRY box 9 (SOX9) [-4.09], inhibitor of DNA binding 1, dominant negative helix-loop-helix protein (ID1) [-6.56]; and endothelin 1 (EDN1, [-5.06]). Likewise, in the opposite manner, BSE and/or 3-OAβBA induced the robust overexpression of tumor suppressor genes (TSGs), including: glutathione-depleting ChaC glutathione-specific gamma-glutamylcyclotransferase 1 (CHAC1) [+21.67]; the mTOR inhibitors - sestrin 2 (SESN2) [+16.4] Tribbles homolog 3 (TRIB3) [+6.2], homocysteine-inducible, endoplasmic reticulum stress-inducible, ubiquitin-like domain member 1 (HERPUD1) [+12.01]; and cystathionine gamma-lyase (CTH) [+11.12]. CONCLUSION The anti-cancer effects of the historically used frankincense sap (BSE) appear to involve major impact on the ER/UPR response, concomitant to effecting multiple targets counter to the growth, proliferation and metastasis of TNBC cancer cells. The microarray data are available at Expression Omnibus GEO Series accession number GSE102891.
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Affiliation(s)
- Elizabeth A Mazzio
- College of Pharmacy & Pharmaceutical Sciences, Florida A & M University, Tallahassee, FL, U.S.A
| | - Charles A Lewis
- College of Pharmacy & Pharmaceutical Sciences, Florida A & M University, Tallahassee, FL, U.S.A
| | - Karam F A Soliman
- College of Pharmacy & Pharmaceutical Sciences, Florida A & M University, Tallahassee, FL, U.S.A.
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Wu Y, Yang C, Liu D, Lu M, Lu G, Sun J, Huang Y, Liu C, Wang L, Song L. Inositol-requiring enzyme 1 involved in regulating hemocyte apoptosis upon heat stress in Patinopecten yessoensis. FISH & SHELLFISH IMMUNOLOGY 2018; 78:248-258. [PMID: 29702235 DOI: 10.1016/j.fsi.2018.04.048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Revised: 04/20/2018] [Accepted: 04/23/2018] [Indexed: 06/08/2023]
Abstract
The inositol-requiring enzyme 1 (IRE1), one of the primary endoplasmic reticulum (ER) transmembrane receptor proteins, is involved in regulating unfolded protein response (UPR) signaling pathway and plays an import role in maintaining cell homeostasis. In the present study, an IRE1 homologue was identified from Patinopecten yessoensis (designated as PyIRE1). The cDNA of PyIRE1 was of 3314 bp with a 2646 bp open reading frame (ORF) of IRE1 encoding a polypeptide of 881 amino acids. There was a signal peptide, four pyrrolo-quinoline quinine (PPQ) domains, a transmembrane helix region, a Serine/Threonine protein kinases domain (S_TKc) and a protein kinases or N-glycanases containing protein domain (PUG) in the deduced amino acid sequence of PyIRE1. The PyIRE1 mRNA was constitutively expressed in all the tested tissues, with the highest expression level in gills. PyIRE1 protein was mainly located in the ER of P. yessoensis hemocytes. The expression profiles of PyIRE1, glucose-regulated protein 94 (designated as PyGRP94) and glucose-regulated protein 78 (designated as PyGRP78) were determined by SYBR Green qRT-PCR after heat shock treatment. The mRNA expression levels of all these three genes were significantly up-regulated and reached their peak values at 2 h (3.97-fold, p < 0.05), 8 h (19.67-fold, p < 0.05) and 4 h (27.37-fold, p < 0.05) in hemocytes, 2 h (3.55-fold, p < 0.05), 12 h (8.58-fold, p < 0.05) and 8 h (35.31-fold, p < 0.05) in gills after heat shock treatment, respectively. After the injection with PyIRE1 dsRNA, the mRNA expression of pro-apoptotic B-cell lymphoma-2 (Bcl-2) family member PyBax and the activity of caspase-3 significantly decreased in comparison with the control group (p < 0.05) after heat shock treatment. These results collectively suggested that PyIRE1, as an ER stress sensor, was potentially involved in the response upon heat stress by regulating the expression of PyBax and apoptosis of hemocytes in P. yessoensis.
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Affiliation(s)
- Yichen Wu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Chuanyan Yang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Dongyang Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Mengmeng Lu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Guangxia Lu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Jiejie Sun
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Yuting Huang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Chao Liu
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China
| | - Lingling Wang
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Disease Prevention and Control for Aquaculture Animals, Dalian Ocean University, Dalian, 116023, China
| | - Linsheng Song
- Liaoning Key Laboratory of Marine Animal Immunology, Dalian Ocean University, Dalian, 116023, China; Laboratory for Marine Fisheries Science and Food Production Processes, Qingdao National Laboratory for Marine Science and Technology, Qingdao, 266235, China; Liaoning Key Laboratory of Marine Animal Immunology and Disease Control, Dalian Ocean University, Dalian, 116023, China; Dalian Key Laboratory of Disease Prevention and Control for Aquaculture Animals, Dalian Ocean University, Dalian, 116023, China.
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Varlamova EG, Goltyaev MV, Kuznetsova JP. Effect of Sodium Selenite on Gene Expression of SELF, SELW, and TGR Selenoproteins in Adenocarcinoma Cells of the Human Prostate. Mol Biol 2018. [DOI: 10.1134/s0026893318030147] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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Sodium selenite attenuates lung adenocarcinoma progression by repressing SOX2-mediated stemness. Cancer Chemother Pharmacol 2018; 81:885-895. [PMID: 29546459 DOI: 10.1007/s00280-018-3561-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 03/11/2018] [Indexed: 12/18/2022]
Abstract
PURPOSE Sodium selenite (SS) has been widely reported to induce apoptosis in various cancer cell types. However, the underlying molecular mechanisms governing SS-mediated repression of lung cancer stem cells remain largely undefined. METHODS In vitro assays of cell proliferation, clonal formation, apoptosis, migration and cancer stemness cell sphere formation were performed to examine the inhibitory effects of SS on lung adenocarcinoma (LAD) cells with or without the overexpression of SRY-related high-mobility-group box 2 (SOX2). RESULTS SS significantly inhibited cell growth and induced apoptosis in LAD cells in a dose-dependent manner with marginal effects on normal epithelial cell HBEC. SS dramatically repressed expression of SOX2 and its upstream regulator GLI1 and strongly decreased stemness sphere formation in LAD cells at 10 µM. Forced expression of SOX2 significantly buffered anti-cancer effects of SS. CONCLUSIONS Our results demonstrate that SS attenuates lung adenocarcinoma progression by repressing SOX2 and its upstream regulator GLI1, which suggests that SS may be a potential therapeutic drug candidate for lung cancer patients.
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Vinceti M, Filippini T, Del Giovane C, Dennert G, Zwahlen M, Brinkman M, Zeegers MPA, Horneber M, D'Amico R, Crespi CM. Selenium for preventing cancer. Cochrane Database Syst Rev 2018; 1:CD005195. [PMID: 29376219 PMCID: PMC6491296 DOI: 10.1002/14651858.cd005195.pub4] [Citation(s) in RCA: 121] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND This review is the third update of the Cochrane review "Selenium for preventing cancer". Selenium is a naturally occurring element with both nutritional and toxicological properties. Higher selenium exposure and selenium supplements have been suggested to protect against several types of cancer. OBJECTIVES To gather and present evidence needed to address two research questions:1. What is the aetiological relationship between selenium exposure and cancer risk in humans?2. Describe the efficacy of selenium supplementation for cancer prevention in humans. SEARCH METHODS We updated electronic searches of the Cochrane Central Register of Controlled Trials (CENTRAL; 2017, Issue 2), MEDLINE (Ovid, 2013 to January 2017, week 4), and Embase (2013 to 2017, week 6), as well as searches of clinical trial registries. SELECTION CRITERIA We included randomised controlled trials (RCTs) and longitudinal observational studies that enrolled adult participants. DATA COLLECTION AND ANALYSIS We performed random-effects (RE) meta-analyses when two or more RCTs were available for a specific outcome. We conducted RE meta-analyses when five or more observational studies were available for a specific outcome. We assessed risk of bias in RCTs and in observational studies using Cochrane's risk assessment tool and the Newcastle-Ottawa Scale, respectively. We considered in the primary analysis data pooled from RCTs with low risk of bias. We assessed the certainty of evidence by using the GRADE approach. MAIN RESULTS We included 83 studies in this updated review: two additional RCTs (10 in total) and a few additional trial reports for previously included studies. RCTs involved 27,232 participants allocated to either selenium supplements or placebo. For analyses of RCTs with low risk of bias, the summary risk ratio (RR) for any cancer incidence was 1.01 (95% confidence interval (CI) 0.93 to 1.10; 3 studies, 19,475 participants; high-certainty evidence). The RR for estimated cancer mortality was 1.02 (95% CI 0.80 to 1.30; 1 study, 17,444 participants). For the most frequently investigated site-specific cancers, investigators provided little evidence of any effect of selenium supplementation. Two RCTs with 19,009 participants indicated that colorectal cancer was unaffected by selenium administration (RR 0.99, 95% CI 0.69 to 1.43), as were non-melanoma skin cancer (RR 1.16, 95% CI 0.30 to 4.42; 2 studies, 2027 participants), lung cancer (RR 1.16, 95% CI 0.89 to 1.50; 2 studies, 19,009 participants), breast cancer (RR 2.04, 95% CI 0.44 to 9.55; 1 study, 802 participants), bladder cancer (RR 1.07, 95% CI 0.76 to 1.52; 2 studies, 19,009 participants), and prostate cancer (RR 1.01, 95% CI 0.90 to 1.14; 4 studies, 18,942 participants). Certainty of the evidence was high for all of these cancer sites, except for breast cancer, which was of moderate certainty owing to imprecision, and non-melanoma skin cancer, which we judged as moderate certainty owing to high heterogeneity. RCTs with low risk of bias suggested increased melanoma risk.Results for most outcomes were similar when we included all RCTs in the meta-analysis, regardless of risk of bias. Selenium supplementation did not reduce overall cancer incidence (RR 0.99, 95% CI 0.86 to 1.14; 5 studies, 21,860 participants) nor mortality (RR 0.81, 95% CI 0.49 to 1.32; 2 studies, 18,698 participants). Summary RRs for site-specific cancers showed limited changes compared with estimates from high-quality studies alone, except for liver cancer, for which results were reversed.In the largest trial, the Selenium and Vitamin E Cancer Trial, selenium supplementation increased risks of alopecia and dermatitis, and for participants with highest background selenium status, supplementation also increased risk of high-grade prostate cancer. RCTs showed a slightly increased risk of type 2 diabetes associated with supplementation. A hypothesis generated by the Nutritional Prevention of Cancer Trial - that individuals with low blood selenium levels could reduce their risk of cancer (particularly prostate cancer) by increasing selenium intake - has not been confirmed. As RCT participants have been overwhelmingly male (88%), we could not assess the potential influence of sex or gender.We included 15 additional observational cohort studies (70 in total; over 2,360,000 participants). We found that lower cancer incidence (summary odds ratio (OR) 0.72, 95% CI 0.55 to 0.93; 7 studies, 76,239 participants) and lower cancer mortality (OR 0.76, 95% CI 0.59 to 0.97; 7 studies, 183,863 participants) were associated with the highest category of selenium exposure compared with the lowest. Cancer incidence was lower in men (OR 0.72, 95% CI 0.46 to 1.14, 4 studies, 29,365 men) than in women (OR 0.90, 95% CI 0.45 to 1.77, 2 studies, 18,244 women). Data show a decrease in risk of site-specific cancers for stomach, colorectal, lung, breast, bladder, and prostate cancers. However, these studies have major weaknesses due to study design, exposure misclassification, and potential unmeasured confounding due to lifestyle or nutritional factors covarying with selenium exposure beyond those taken into account in multi-variable analyses. In addition, no evidence of a dose-response relation between selenium status and cancer risk emerged. Certainty of evidence was very low for each outcome. Some studies suggested that genetic factors might modify the relation between selenium and cancer risk - an issue that merits further investigation. AUTHORS' CONCLUSIONS Well-designed and well-conducted RCTs have shown no beneficial effect of selenium supplements in reducing cancer risk (high certainty of evidence). Some RCTs have raised concerns by reporting a higher incidence of high-grade prostate cancer and type 2 diabetes in participants with selenium supplementation. No clear evidence of an influence of baseline participant selenium status on outcomes has emerged in these studies.Observational longitudinal studies have shown an inverse association between selenium exposure and risk of some cancer types, but null and direct relations have also been reported, and no systematic pattern suggesting dose-response relations has emerged. These studies suffer from limitations inherent to the observational design, including exposure misclassification and unmeasured confounding.Overall, there is no evidence to suggest that increasing selenium intake through diet or supplementation prevents cancer in humans. However, more research is needed to assess whether selenium may modify the risk of cancer in individuals with a specific genetic background or nutritional status, and to investigate possible differential effects of various forms of selenium.
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Affiliation(s)
- Marco Vinceti
- Boston University School of Public HealthDepartment of Epidemiology715 Albany StreetBoston, MAUSA02118
- University of Modena and Reggio EmiliaResearch Center in Environmental, Nutritional and Genetic Epidemiology (CREAGEN), Department of Biomedical, Metabolic and Neural SciencesVia Campi 287ModenaItaly41125
| | - Tommaso Filippini
- University of Modena and Reggio EmiliaResearch Center in Environmental, Nutritional and Genetic Epidemiology (CREAGEN), Department of Biomedical, Metabolic and Neural SciencesVia Campi 287ModenaItaly41125
| | - Cinzia Del Giovane
- University of BernInstitute of Primary Health Care (BIHAM)Gesellschaftsstrasse 49BernSwitzerland3012
- University of Modena and Reggio EmiliaCochrane Italy, Department of Diagnostic, Clinical and Public Health MedicineVia del Pozzo, 71ModenaItaly41100
| | - Gabriele Dennert
- University of Applied Sciences DortmundSocial Medicine and Public Health with Focus on Gender and Diversity, Department of Applied Social SciencesEmil‐Figge‐Str. 44DortmundGermanyD‐44227
| | - Marcel Zwahlen
- University of BernInstitute of Social and Preventive Medicine (ISPM)Finkelhubelweg11BernSwitzerland3012
| | - Maree Brinkman
- Nutrition Biomed Research InstituteDepartment of Nutritional Epidemiology and Clinical StudiesArgyle Place SouthMelbourneVictoriaAustralia3053
- Chairgroup of Complex Genetics and Epidemiology, School for Nutrition and Translational Research in Metabolism, Care and Public Health Research InstituteUnit of Nutritional and Cancer EpidemiologyMaastricht UniversityMaastrichtNetherlands
| | | | - Markus Horneber
- Paracelsus Medical University, Klinikum NurembergDepartment of Internal Medicine, Division of Oncology and HematologyProf.‐Ernst‐Nathan‐Str. 1NurembergGermanyD‐90419
| | - Roberto D'Amico
- University of Modena and Reggio EmiliaCochrane Italy, Department of Diagnostic, Clinical and Public Health MedicineVia del Pozzo, 71ModenaItaly41100
| | - Catherine M Crespi
- University of California Los AngelesBiostatisticsFielding School of Public Health650 Charles Young Drive South, A2‐125 CHS, Box 956900Los AngelesCaliforniaUSA90095‐6900
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Deregulation of KSHV latency conformation by ER-stress and caspase-dependent RAD21-cleavage. PLoS Pathog 2017; 13:e1006596. [PMID: 28854249 PMCID: PMC5595345 DOI: 10.1371/journal.ppat.1006596] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Revised: 09/12/2017] [Accepted: 08/21/2017] [Indexed: 12/13/2022] Open
Abstract
Kaposi’s sarcoma (KS)-associated herpesvirus (KSHV) is a human gammaherpesvirus recognized as the principal causative agent of KS and primary effusion lymphoma (PEL). KSHV establishes persistent latent infection in B lymphocytes where viral gene expression is restricted, in part, by a cohesin-dependent chromosome conformation. Here, we show that endoplasmic reticulum (ER) stress induces a rapid, caspase-dependent cleavage of cohesin subunit RAD21. ER stress-induced cleavage of RAD21 correlated with a rapid and strong viral lytic transcriptional activation. This effect was observed in several KSHV positive PEL cells, but not in other B-cells or non-B-cell models of KSHV latency. The cleaved-RAD21 does not dissociate from viral genomes, nor disassemble from other components of the cohesin complex. However, RAD21 cleavage correlated with the disruption of the latency genome conformation as revealed by chromosome conformation capture (3C). Ectopic expression of C-terminal RAD21 cleaved form could partially induce KSHV lytic genes transcription in BCBLI cells, suggesting that ER-stress induced RAD21 cleavage was sufficient to induce KSHV reactivation from latency in PEL cells. Taken together our results reveal a novel aspect for control and maintenance of KSHV genome latency conformation mediated by stress-induced RAD21 cleavage. Our studies also suggest that RAD21 cleavage may be a general regulatory mechanism for rapid alteration of cellular chromosome conformation and cohesin-dependent transcription regulation. Latent infection with Kasposi’s Sarcoma (KS)-Associated Herpesivirus (KSHV) is linked to malignant transformation of the host cell. KSHV associated pleural effusion lymphomas (PEL) are highly sensitive to endoplasmic reticulum (ER) stress due to underlying defects in ER stress response pathways. We show here that ER stress inducers lead to a rapid activation of KSHV lytic transcripts, and that an underlying mechanism is found in the caspase and calpain-dependent proteolytic cleavage of RAD21. RAD21 is a subunit of the cohesin complex that maintains a chromosome conformation that restricts KSHV lytic cycle transcription. ER stress-induced cleavage of RAD21 alters the KSHV chromosome conformation associated with latency, and a locus-specific increase in RNA polymerase II association and activation. These findings provide new insights into the regulation of KSHV latency and its response to ER stress, and may further the development of selective treatments for KSHV associated PEL and related malignancies.
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Geng X, McDermott J, Lundgren J, Liu L, Tsai KJ, Shen J, Liu Z. Role of AQP9 in transport of monomethyselenic acid and selenite. Biometals 2017; 30:747-755. [PMID: 28798983 DOI: 10.1007/s10534-017-0042-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 08/07/2017] [Indexed: 12/15/2022]
Abstract
AQP9 is an aquaglyceroporin with a very broad substrate spectrum. In addition to its orthodox nutrient substrates, AQP9 also transports multiple neutral and ionic arsenic species including arsenic trioxide, monomethylarsenous acid (MAsIII) and dimethylarsenic acid (DMAV). Here we discovered a new group of AQP9 substrates which includes two clinical relevant selenium species. We showed that AQP9 efficiently transports monomethylselenic acid (MSeA) with a preference for acidic pH, which has been demonstrated in Xenopus laevis oocyte following the overexpression of human AQP9. Specific inhibitors that dissipate transmembrane proton potential or change the transmembrane pH gradient, such as FCCP, valinomycin and nigericin did not significantly inhibit MSeA uptake, suggesting MSeA transport is not proton coupled. AQP9 was also found to transport ionic selenite and lactate, with much less efficiency compared with MSeA uptake. Selenite and lactate uptake via AQP9 is pH dependent and inhibited by FCCP and nigericin, but not valinomycin. The selenite and lactate uptake via AQP9 can be inhibited by different lactate analogs, indicating that their translocation share similar mechanisms. AQP9 transport of MSeA, selenite and lactate is all inhibited by a previously identified AQP9 inhibitor, phloretin, and the AQP9 substrate arsenite (AsIII). These newly identified AQP9 selenium substrates imply that AQP9 play a significant role in MSeA uptake and possibly selenite uptake involved in cancer therapy under specific microenvironments.
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Affiliation(s)
- Xiangrong Geng
- Department of Biological Sciences, Oakland University, Rochester, MI, 48309, USA
| | - Joseph McDermott
- Department of Biological Sciences, Oakland University, Rochester, MI, 48309, USA
| | - Joseph Lundgren
- Department of Biological Sciences, Oakland University, Rochester, MI, 48309, USA
| | - Liu Liu
- Department of Biological Sciences, Oakland University, Rochester, MI, 48309, USA
| | - Kan-Jen Tsai
- Department of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung, Taiwan
| | - Jian Shen
- Department of Pathology and Laboratory Medicine, University of Rochester Medical Center, Rochester, NY, USA
| | - Zijuan Liu
- Department of Biological Sciences, Oakland University, Rochester, MI, 48309, USA.
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