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Jiang J, Chen B, Tang B, Wei Q. Selenium in Prostate Cancer: Prevention, Progression, and Treatment. Pharmaceuticals (Basel) 2023; 16:1250. [PMID: 37765058 PMCID: PMC10536940 DOI: 10.3390/ph16091250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/14/2023] [Accepted: 08/21/2023] [Indexed: 09/29/2023] Open
Abstract
Selenium, a trace mineral with various biological functions, has become a focal point in prostate cancer research. This review aims to present a comprehensive overview of selenium's involvement in prostate cancer, covering its impact on prevention, development, treatment, and underlying mechanisms. Observational studies have revealed a link between selenium levels and selenoproteins with prostate cancer progression. However, randomized controlled studies have shown that selenium supplementation does not prevent prostate cancer (HR: 0.95; 95% CI 0.80-1.13). This discrepancy might be attributed to selenoprotein single nucleotide polymorphisms. In the context of combinatorial therapy, selenium has demonstrated promising synergistic potential in the treatment of prostate cancer. Emerging evidence highlights the significant role of selenium and selenoproteins in prostate cancer, encompassing AR signaling, antioxidative properties, cell death, cell cycle regulation, angiogenesis, epigenetic regulation, immunoregulation, epithelial-mesenchymal transformation, and redox signal. In conclusion, selenium's diverse properties make it a promising trace mineral in prostate cancer prevention, development, and treatment and as a platform for exploring novel agents.
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Affiliation(s)
- Jinjiang Jiang
- Department of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Lane, Chengdu 610041, China
- Institute of Urology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Bo Chen
- Department of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Lane, Chengdu 610041, China
- Institute of Urology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Bo Tang
- Department of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Lane, Chengdu 610041, China
- Institute of Urology, West China Hospital of Sichuan University, Chengdu 610041, China
| | - Qiang Wei
- Department of Urology, West China Hospital of Sichuan University, No. 37, Guoxue Lane, Chengdu 610041, China
- Institute of Urology, West China Hospital of Sichuan University, Chengdu 610041, China
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Vinceti M, Urbano T, Chiari A, Filippini T, Wise LA, Tondelli M, Michalke B, Shimizu M, Saito Y. Selenoprotein P concentrations and risk of progression from mild cognitive impairment to dementia. Sci Rep 2023; 13:8792. [PMID: 37258587 DOI: 10.1038/s41598-023-36084-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 05/29/2023] [Indexed: 06/02/2023] Open
Abstract
There is a growing literature investigating the effects of selenium on the central nervous system and cognitive function. However, little is known about the role of selenoprotein P, the main selenium transporter, which can also have adverse biological effects. We conducted a prospective cohort study of individuals aged 42-81 years who received a clinical diagnosis of mild cognitive impairment. Using sandwich ELISA methods, we measured full-length selenoprotein P concentrations in serum and cerebrospinal fluid to assess the relation with dementia incidence during a median follow-up of 47.3 months. We used Cox proportional hazards regression and restricted cubic splines to model such relation. Of the 54 participants, 35 developed dementia during follow-up (including 26 cases of Alzheimer's dementia). Selenoprotein P concentrations in serum and cerebrospinal fluid were highly correlated, and in spline regression analyses they each showed a positive non-linear association with dementia risk, particularly after excluding dementia cases diagnosed within 24 months of follow-up. We also observed differences in association according to the dementia subtypes considered. Risk ratios of dementia peaked at 2-6 at the highest levels of selenoprotein P, when compared to its median level, also depending on matrix, analytical methodology and dementia subtype. Findings of this study, the first to assess selenoprotein P levels in the central nervous system in vivo and the first to use a prospective study design to evaluate associations with dementia, suggest that higher circulating concentrations of selenoprotein P, both in serum and cerebrospinal fluid, predict progression of MCI to dementia. However, further confirmation of these findings is required, given the limited statistical precision of the associations and the potential for residual confounding.
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Affiliation(s)
- Marco Vinceti
- Department of Biomedical, Metabolic, and Neural Sciences, CREAGEN - Environmental, Genetic, and Nutritional Epidemiology Research Center, University of Modena and Reggio Emilia, Modena, Italy.
- Department of Biomedical, Metabolic, and Neural Sciences, Center for Neurosciences and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy.
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA.
| | - Teresa Urbano
- Department of Biomedical, Metabolic, and Neural Sciences, CREAGEN - Environmental, Genetic, and Nutritional Epidemiology Research Center, University of Modena and Reggio Emilia, Modena, Italy
- Department of Biomedical, Metabolic, and Neural Sciences, Center for Neurosciences and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
| | - Annalisa Chiari
- Department of Biomedical, Metabolic, and Neural Sciences, Center for Neurosciences and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
- Neurology Unit, University Hospital, Modena, Italy
| | - Tommaso Filippini
- Department of Biomedical, Metabolic, and Neural Sciences, CREAGEN - Environmental, Genetic, and Nutritional Epidemiology Research Center, University of Modena and Reggio Emilia, Modena, Italy
- Department of Biomedical, Metabolic, and Neural Sciences, Center for Neurosciences and Neurotechnology, University of Modena and Reggio Emilia, Modena, Italy
- School of Public Health, University of California Berkeley, Berkeley, CA, USA
| | - Lauren A Wise
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Manuela Tondelli
- Neurology Unit, University Hospital, Modena, Italy
- Primary Care Department, Local Health Unit of Modena, Modena, Italy
| | - Bernhard Michalke
- Research Unit Analytical BioGeoChemistry, Helmholtz Center Munich German Research Center for Environmental Health GmbH, Neuherberg, Germany
| | - Misaki Shimizu
- Laboratory of Molecular Biology and Metabolism, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Yoshiro Saito
- Laboratory of Molecular Biology and Metabolism, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
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Lamarche J, Ronga L, Szpunar J, Lobinski R. Characterization and Quantification of Selenoprotein P: Challenges to Mass Spectrometry. Int J Mol Sci 2021; 22:ijms22126283. [PMID: 34208081 PMCID: PMC8230778 DOI: 10.3390/ijms22126283] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 06/05/2021] [Accepted: 06/07/2021] [Indexed: 12/13/2022] Open
Abstract
Selenoprotein P (SELENOP) is an emerging marker of the nutritional status of selenium and of various diseases, however, its chemical characteristics still need to be investigated and methods for its accurate quantitation improved. SELENOP is unique among selenoproteins, as it contains multiple genetically encoded SeCys residues, whereas all the other characterized selenoproteins contain just one. SELENOP occurs in the form of multiple isoforms, truncated species and post-translationally modified variants which are relatively poorly characterized. The accurate quantification of SELENOP is contingent on the availability of specific primary standards and reference methods. Before recombinant SELENOP becomes available to be used as a primary standard, careful investigation of the characteristics of the SELENOP measured by electrospray MS and strict control of the recoveries at the various steps of the analytical procedures are strongly recommended. This review critically discusses the state-of-the-art of analytical approaches to the characterization and quantification of SELENOP. While immunoassays remain the standard for the determination of human and animal health status, because of their speed and simplicity, mass spectrometry techniques offer many attractive and complementary features that are highlighted and critically evaluated.
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Affiliation(s)
- Jérémy Lamarche
- IPREM UMR5254, E2S UPPA, Institut des Sciences Analytiques et de Physico-Chimie Pour l’Environnement et les Matériaux, CNRS, Université de Pau et des Pays de l’Adour, Hélioparc, 64053 Pau, France; (L.R.); (J.S.); (R.L.)
- Correspondence:
| | - Luisa Ronga
- IPREM UMR5254, E2S UPPA, Institut des Sciences Analytiques et de Physico-Chimie Pour l’Environnement et les Matériaux, CNRS, Université de Pau et des Pays de l’Adour, Hélioparc, 64053 Pau, France; (L.R.); (J.S.); (R.L.)
| | - Joanna Szpunar
- IPREM UMR5254, E2S UPPA, Institut des Sciences Analytiques et de Physico-Chimie Pour l’Environnement et les Matériaux, CNRS, Université de Pau et des Pays de l’Adour, Hélioparc, 64053 Pau, France; (L.R.); (J.S.); (R.L.)
| | - Ryszard Lobinski
- IPREM UMR5254, E2S UPPA, Institut des Sciences Analytiques et de Physico-Chimie Pour l’Environnement et les Matériaux, CNRS, Université de Pau et des Pays de l’Adour, Hélioparc, 64053 Pau, France; (L.R.); (J.S.); (R.L.)
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, IM Sechenov First Moscow State Medical University (Sechenov University), 119435 Moscow, Russia
- Chair of Analytical Chemistry, Warsaw University of Technology, Noakowskiego 3, 00-664 Warsaw, Poland
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Callejón-Leblic B, Rodríguez-Moro G, Arias-Borrego A, Pereira-Vega A, Gómez-Ariza JL, García-Barrera T. Absolute quantification of selenoproteins and selenometabolites in lung cancer human serum by column switching coupled to triple quadrupole inductively coupled plasma mass spectrometry. J Chromatogr A 2020; 1619:460919. [PMID: 32037071 DOI: 10.1016/j.chroma.2020.460919] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 01/20/2020] [Accepted: 01/24/2020] [Indexed: 10/25/2022]
Abstract
One of the most important causes of the high mortality rate and low life expectancy of lung cancer is the detection at advanced stages. Thus, there is an urgent need for early diagnosis and the search of new selective biomarkers. Selenium is an important constituent of selenoproteins and a powerful antioxidant able to protect against cancer. In this work, the absolute quantification of selenium in selenoproteins and the total content in selenometabolites has been performed for the first time in serum from lung cancer patients (LC) and healthy controls (HC). To this end, a method for the simultaneous speciation of selenoproteins using size exclusion chromatography (SEC) and affinity chromatography (AF) with detection by ICP-QQQ-MS, and quantification by isotopic dilution (IDA) (SEC-AF-HPLC-SUID-ICP-QQQ-MS) was developed to determine the selenium concentration in eGPx, SEPP1 and SeAlb, as well as total selenometabolites, to find alterations that may serve as biomarkers of this disease. In the same way, a method based on anion-exchange chromatography coupled to ICP-QQQ-MS was developed to quantify selenometabolites (SeCys2, SeMeSeCys, SeMet, selenite and selenate) in the same LC and HC serum samples. The results showed that the averaged concentrations of selenium in eGPx, SeAlb and selenite were significantly higher in LC patients (LC (eGPx: 21.24 ± 0.77 ng g-1; SeAlb: 49.56 ± 3.16 ng g-1 and Se(IV): 6.20 ± 1.22 ng g-1) than in HC group (eGPx: 16.96 ± 0.53 ng g-1; SeAlb: 38.33 ± 2.66 ng g-1 and Se(IV): 3.56 ± 0.55 ng g-1). In addition, the ratios between selenoproteins and selenometabolites have been calculated for the first to study their potential use as LC biomarkers. The rates eGPx/SEPP1, SEPP1/SeAlb, eGPx/Se(IV) and SEPP1/Se(IV) were significantly different between LC and HC groups.
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Affiliation(s)
- Belén Callejón-Leblic
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Huelva 21007, Spain; Research Center of Natural Resources, Health and Environment (RENSMA), University of Huelva, Campus de El Carmen, Huelva 21007, Spain
| | - Gema Rodríguez-Moro
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Huelva 21007, Spain; Research Center of Natural Resources, Health and Environment (RENSMA), University of Huelva, Campus de El Carmen, Huelva 21007, Spain
| | - Ana Arias-Borrego
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Huelva 21007, Spain; Research Center of Natural Resources, Health and Environment (RENSMA), University of Huelva, Campus de El Carmen, Huelva 21007, Spain.
| | | | - José Luis Gómez-Ariza
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Huelva 21007, Spain; Research Center of Natural Resources, Health and Environment (RENSMA), University of Huelva, Campus de El Carmen, Huelva 21007, Spain
| | - Tamara García-Barrera
- Department of Chemistry, Faculty of Experimental Sciences, University of Huelva, Campus de El Carmen, Huelva 21007, Spain; Research Center of Natural Resources, Health and Environment (RENSMA), University of Huelva, Campus de El Carmen, Huelva 21007, Spain.
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Abstract
PURPOSE OF REVIEW Selenium, a trace element, is ubiquitous in the environment. The main source of human exposure is diet. Despite its nutritional benefits, it is one of the most toxic naturally occurring elements. Selenium deficiency and overexposure have been associated with adverse health effects. Its level of toxicity may depend on its chemical form, as inorganic and organic species have distinct biological properties. RECENT FINDINGS Nonexperimental and experimental studies have generated insufficient evidence for a role of selenium deficiency in human disease, with the exception of Keshan disease, a cardiomyopathy. Conversely, recent randomized trials have indicated that selenium overexposure is positively associated with type 2 diabetes and high-grade prostate cancer. In addition, a natural experiment has suggested an association between overexposure to inorganic hexavalent selenium and two neurodegenerative diseases, amyotrophic lateral sclerosis and Parkinson's disease. Risk assessments should be revised to incorporate the results of studies demonstrating toxic effects of selenium. Additional observational studies and secondary analyses of completed randomized trials are needed to address the uncertainties regarding the health risks of selenium exposure.
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