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Wei B, Tan W, Wang S, Guo Z, Gan S. Interaction between smoking status and dietary selenium intake affects PSA: A cross-sectional study. Urol Oncol 2023; 41:483.e1-483.e9. [PMID: 37940471 DOI: 10.1016/j.urolonc.2023.07.009] [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: 02/01/2023] [Revised: 06/30/2023] [Accepted: 07/28/2023] [Indexed: 11/10/2023]
Abstract
BACKGROUND Conflicting results regarding the impact of selenium on reducing prostate cancer have been reported. The current analysis aimed to understand whether there are potential factors affecting the relationship between selenium and prostate cancer. OBJECTIVE To clarify the relationship between dietary selenium intake and prostate cancer, we evaluated the correlation between dietary selenium intake and prostate-specific antigen (PSA) based on the National Health and Nutrition Examination Survey (NHANES) database. METHODS After screening the NHANES survey data from 2005 to 2010, data for 3,614 of 31,034 participants were considered suitable to include in our study. Dietary selenium intake was the independent variable of our study, while PSA was the dependent variable. We stratified participants into current, former, and never smokers and performed an interaction test on the relationship between selenium intake and PSA using multivariable logistic regression for each smoking-status subgroup. RESULTS For our subgroup analysis, we grouped participants based on smoking status and investigated the association between dietary selenium intake and PSA levels. Among the 242 participants with a PSA level of 4 or higher, the mean age was 58.5 years (±12.1). After adjusting for covariates, we did not find a significant association between dietary selenium and the odds of having a high PSA level. However, we observed a significant interaction between smoking status and dietary selenium in relation to PSA levels (P = .007). Specifically, smokers had lower odds of having high PSA levels, while nonsmokers had higher odds. This suggests that smoking status may modify the effect of dietary selenium on PSA levels. CONCLUSION Our findings suggest that smoking status affects the relationship between dietary selenium intake and PSA and that smokers are at lower odds of having a high PSA level.
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Affiliation(s)
- Baian Wei
- The Second School of Clinical Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wenyue Tan
- The Second School of Clinical Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shusheng Wang
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhenlang Guo
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shu Gan
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China.
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2
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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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3
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Jindal R, Nanda A, Pillai M, Ware KE, Singh D, Sehgal M, Armstrong AJ, Somarelli JA, Jolly MK. Emergent dynamics of underlying regulatory network links EMT and androgen receptor-dependent resistance in prostate cancer. Comput Struct Biotechnol J 2023; 21:1498-1509. [PMID: 36851919 PMCID: PMC9957767 DOI: 10.1016/j.csbj.2023.01.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/23/2023] [Accepted: 01/23/2023] [Indexed: 02/10/2023] Open
Abstract
Advanced prostate cancer patients initially respond to hormone therapy, be it in the form of androgen deprivation therapy or second-generation hormone therapies, such as abiraterone acetate or enzalutamide. However, most men with prostate cancer eventually develop hormone therapy resistance. This resistance can arise through multiple mechanisms, such as through genetic mutations, epigenetic mechanisms, or through non-genetic pathways, such as lineage plasticity along epithelial-mesenchymal or neuroendocrine-like axes. These mechanisms of hormone therapy resistance often co-exist within a single patient's tumor and can overlap within a single cell. There exists a growing need to better understand how phenotypic heterogeneity and plasticity results from emergent dynamics of the regulatory networks governing androgen independence. Here, we investigated the dynamics of a regulatory network connecting the drivers of androgen receptor (AR) splice variant-mediated androgen independence and those of epithelial-mesenchymal transition. Model simulations for this network revealed four possible phenotypes: epithelial-sensitive (ES), epithelial-resistant (ER), mesenchymal-resistant (MR) and mesenchymal-sensitive (MS), with the latter phenotype occurring rarely. We observed that well-coordinated "teams" of regulators working antagonistically within the network enable these phenotypes. These model predictions are supported by multiple transcriptomic datasets both at single-cell and bulk levels, including in vitro EMT induction models and clinical samples. Further, our simulations reveal spontaneous stochastic switching between the ES and MR states. Addition of the immune checkpoint molecule, PD-L1, to the network was able to capture the interactions between AR, PD-L1, and the mesenchymal marker SNAIL, which was also confirmed through quantitative experiments. This systems-level understanding of the driver of androgen independence and EMT could aid in understanding non-genetic transitions and progression of such cancers and help in identifying novel therapeutic strategies or targets.
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Affiliation(s)
- Rashi Jindal
- Center for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
- Undergraduate Programme, Indian Institute of Science, Bangalore 560012, India
| | - Abheepsa Nanda
- Center for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
- Undergraduate Programme, Indian Institute of Science, Bangalore 560012, India
| | - Maalavika Pillai
- Center for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
- Undergraduate Programme, Indian Institute of Science, Bangalore 560012, India
| | - Kathryn E. Ware
- Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancers, Duke University, Durham, NC 27710, USA
| | - Divyoj Singh
- Center for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
- Undergraduate Programme, Indian Institute of Science, Bangalore 560012, India
| | - Manas Sehgal
- Center for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
| | - Andrew J. Armstrong
- Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancers, Duke University, Durham, NC 27710, USA
- Department of Surgery, Duke University, Durham, NC 27710, USA
- Department of Pharmacology and Cancer Biology, Duke University, Durham, NC 27710, USA
| | - Jason A. Somarelli
- Department of Medicine, Duke Cancer Institute Center for Prostate and Urologic Cancers, Duke University, Durham, NC 27710, USA
| | - Mohit Kumar Jolly
- Center for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
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Tangjaidee P, Swedlund P, Xiang J, Yin H, Quek SY. Selenium-enriched plant foods: Selenium accumulation, speciation, and health functionality. Front Nutr 2023; 9:962312. [PMID: 36815133 PMCID: PMC9939470 DOI: 10.3389/fnut.2022.962312] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Accepted: 09/13/2022] [Indexed: 02/09/2023] Open
Abstract
Selenium (Se) is an essential element for maintaining human health. The biological effects and toxicity of Se compounds in humans are related to their chemical forms and consumption doses. In general, organic Se species, including selenoamino acids such as selenomethionine (SeMet), selenocystine (SeCys2), and Se-methylselenocysteine (MSC), could provide greater bioactivities with less toxicity compared to those inorganics including selenite (Se IV) and selenate (Se VI). Plants are vital sources of organic Se because they can accumulate inorganic Se or metabolites and store them as organic Se forms. Therefore, Se-enriched plants could be applied as human food to reduce deficiency problems and deliver health benefits. This review describes the recent studies on the enrichment of Se-containing plants in particular Se accumulation and speciation, their functional properties related to human health, and future perspectives for developing Se-enriched foods. Generally, Se's concentration and chemical forms in plants are determined by the accumulation ability of plant species. Brassica family and cereal grains have excessive accumulation capacity and store major organic Se compounds in their cells compared to other plants. The biological properties of Se-enriched plants, including antioxidant, anti-diabetes, and anticancer activities, have significantly presented in both in vitro cell culture models and in vivo animal assays. Comparatively, fewer human clinical trials are available. Scientific investigations on the functional health properties of Se-enriched edible plants in humans are essential to achieve in-depth information supporting the value of Se-enriched food to humans.
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Affiliation(s)
- Pipat Tangjaidee
- Food Science, School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Peter Swedlund
- Food Science, School of Chemical Sciences, University of Auckland, Auckland, New Zealand
| | - Jiqian Xiang
- Enshi Autonomous Prefecture Academy of Agriculture Sciences, Enshi, Hubei, China
| | - Hongqing Yin
- Enshi Autonomous Prefecture Academy of Agriculture Sciences, Enshi, Hubei, China
| | - Siew Young Quek
- Food Science, School of Chemical Sciences, University of Auckland, Auckland, New Zealand,Riddet Institute New Zealand Centre of Research Excellence in Food, Palmerston North, New Zealand,*Correspondence: Siew Young Quek,
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Dávila-Vega JP, Gastelum-Hernández AC, Serrano-Sandoval SN, Serna-Saldívar SO, Guitiérrez-Uribe JA, Milán-Carrillo J, Martínez-Cuesta MC, Guardado-Félix D. Metabolism and Anticancer Mechanisms of Selocompounds: Comprehensive Review. Biol Trace Elem Res 2022:10.1007/s12011-022-03467-1. [PMID: 36342630 DOI: 10.1007/s12011-022-03467-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 10/26/2022] [Indexed: 11/09/2022]
Abstract
Selenium (Se) is an essential micronutrient with several functions in cellular and molecular anticancer processes. There is evidence that Se depending on its chemical form and the dosage use could act as a modulator in some anticancer mechanisms. However, the metabolism of organic and inorganic forms of dietary selenium converges on the main pathways. Different selenocompounds have been reported to have crucial roles as chemopreventive agents, such as antioxidant activity, activation of apoptotic pathways, selective cytotoxicity, antiangiogenic effect, and cell cycle modulation. Nowadays, great interest has arisen to find therapies that could enhance the antitumor effects of different Se sources. Herein, different studies are reported related to the effects of combinatorial therapies, where Se is used in combination with proteins, polysaccharides, chemotherapeutic agents or as nanoparticles. Another important factor is the presence of single nucleotide polymorphisms in genes related to Se metabolism or selenoprotein synthesis which could prevent cancer. These studies and mechanisms show promising results in cancer therapies. This review aims to compile studies that have demonstrated the anticancer effects of Se at molecular levels and its potential to be used as chemopreventive and in cancer treatment.
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Affiliation(s)
- Juan Pablo Dávila-Vega
- Escuela de Ingeniería Y Ciencias, Centro de Biotecnología FEMSA, Tecnológico de Monterrey, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, México
- Tecnologico de Monterrey, The Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, Mexico
| | - Ana Carolina Gastelum-Hernández
- Facultad de Ciencias Químico Biológicas, Programa Regional de Posgrado en Biotecnología, Universidad Autónoma de Sinaloa, FCQB-UAS, AP 1354, CP 80000, Culiacán, Sinaloa, Mexico
| | - Sayra N Serrano-Sandoval
- Escuela de Ingeniería Y Ciencias, Centro de Biotecnología FEMSA, Tecnológico de Monterrey, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, México
- Tecnologico de Monterrey, The Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, Mexico
| | - Sergio O Serna-Saldívar
- Escuela de Ingeniería Y Ciencias, Centro de Biotecnología FEMSA, Tecnológico de Monterrey, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, México
| | - Janet A Guitiérrez-Uribe
- Tecnologico de Monterrey, The Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, Mexico
- Escuela de Ingeniería Y Ciencias, Tecnologico de Monterrey, Reserva Territorial Atlixcáyotl, Campus Puebla, Vía Atlixcáyotl 5718, C.P. 72453, Puebla, Pue, México
| | - Jorge Milán-Carrillo
- Tecnologico de Monterrey, The Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, Mexico
| | - M Carmen Martínez-Cuesta
- Department of Food Biotechnology and Microbiology, Instituto de Investigación en Ciencias de La Alimentación, CIAL (CSIC-UAM), Nicolás Cabrera 9, 28049, Madrid, Spain
| | - Daniela Guardado-Félix
- Escuela de Ingeniería Y Ciencias, Centro de Biotecnología FEMSA, Tecnológico de Monterrey, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, México.
- Tecnologico de Monterrey, The Institute for Obesity Research, Av. Eugenio Garza Sada 2501 Sur, C.P. 64849, Monterrey, NL, Mexico.
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6
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Younesian O, Sheikh Arabi M, Jafari SM, Joshaghani H. Long-Term Excessive Selenium Supplementation Affects Gene Expression in Esophageal Tissue of Rats. Biol Trace Elem Res 2022; 201:3387-3394. [PMID: 36319827 DOI: 10.1007/s12011-022-03413-1] [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: 06/24/2022] [Accepted: 09/02/2022] [Indexed: 04/17/2023]
Abstract
Esophageal cancer is one of the leading causes of cancer death and the seventh most prevalent cancer worldwide. Considering the positive association of high selenium with the prevalence of esophageal cancer, we have investigated the effect of high doses of selenium on gene expression in the normal esophageal tissue of rats. Twenty male rats were randomly divided into four groups: control group, group 2 mg Se/L, 10 mg Se/L, and 20 mg Se/L rats fed with a basal basic diet and 2, 10, and 20 mg Se/L as sodium selenite in drinking water, respectively, for 20 weeks. Serum malondialdehyde and glutathione peroxidase activity were measured. Moreover, the expression and concentration of the cyclin D1, cyclin E, KRAS, p53, NF-kB, TGF-β, and MGMT in the esophageal tissue were analyzed and compared between the four groups. In normal esophageal tissue, selenium supplementations (2, 10, and 20 mg Se/L) increased the mRNA levels of cyclin D1, P53, KRAS, NF-κB p65, and MGMT and decreased the mRNA level of TGFß1. The concentrations of cyclin D1 and MGMT were also significantly increased by selenium supplementations. Selenium supplementations had no significant effect on serum MDA but significantly increased GPX activity. The present study suggests that selenium supplementation (2, 10, and 20 mg Se/L) affects gene expression related to inflammation, Cell proliferation, and apoptosis in the normal esophageal tissue. However, there were no observed abnormalities other than reduced growth with supplementation of 20 mg/L as Na2SeO3 in rats.
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Affiliation(s)
- Ommolbanin Younesian
- Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Golestan Province, Iran
| | - Mehdi Sheikh Arabi
- Medical Cellular and Molecular Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Seyyed Mehdi Jafari
- Metabolic Disorders Research Center, Golestan University of Medical Sciences, Gorgan, Golestan Province, Iran
| | - Hamidreza Joshaghani
- Laboratory Sciences Research Center, Golestan University of Medical Sciences, 60 Kola, Road, Falsafi Building, Gorgan, Iran.
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Vinceti M, Filippini T, Jablonska E, Saito Y, Wise LA. Safety of selenium exposure and limitations of selenoprotein maximization: Molecular and epidemiologic perspectives. ENVIRONMENTAL RESEARCH 2022; 211:113092. [PMID: 35259406 DOI: 10.1016/j.envres.2022.113092] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/04/2022] [Accepted: 03/04/2022] [Indexed: 02/08/2023]
Abstract
Recent evidence from laboratory and epidemiologic studies has shed a different light on selenium health effects and its recommended range of environmental exposure, compared with earlier research. Specifically, epidemiologic studies in Western populations have shown adverse effects of selenium exposure at low levels, sometimes below or slightly above selenium intakes needed to maximize selenoprotein expression and activity. In addition, three recent lines of evidence in molecular and biochemical studies suggest some potential drawbacks associated with selenoprotein maximization: 1) the possibility that selenoprotein upregulation is a compensatory response to oxidative challenge, induced by selenium itself or other oxidants; 2) the capacity of selenoproteins to trigger tumor growth in some circumstances; and 3) the deleterious metabolic effects of selenoproteins and particularly of selenoprotein P. The last observation provides a toxicological basis to explain why in humans selenium intake levels as low as 60 μg/day, still in the range of selenium exposure upregulating selenoprotein expression, might start to increase risk of type 2 diabetes. Overall, these new pieces of evidence from the literature call into question the purported benefit of selenoprotein maximization, and indicate the need to reassess selenium dietary reference values and upper intake level. This reassessment should clarify which range of selenoprotein upregulation follows restoration of adequate selenium availability and which range is driven by a compensatory response to selenium toxicity and oxidative stress.
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Affiliation(s)
- Marco Vinceti
- CREAGEN Research Center of Environmental, Genetic and Nutritional Epidemiology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy; Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA.
| | - Tommaso Filippini
- CREAGEN Research Center of Environmental, Genetic and Nutritional Epidemiology, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Ewa Jablonska
- Department of Translational Research, Nofer Institute of Occupational Medicine, Lodz, Poland
| | - Yoshiro Saito
- Laboratory of Molecular Biology and Metabolism, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai, Japan
| | - Lauren A Wise
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
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8
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Selenium stimulates the antitumour immunity: Insights to future research. Eur J Cancer 2021; 155:256-267. [PMID: 34392068 DOI: 10.1016/j.ejca.2021.07.013] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Revised: 07/13/2021] [Accepted: 07/14/2021] [Indexed: 01/10/2023]
Abstract
Selenium is an essential trace element for regulating immune functions through redox-regulating activity of selenoproteins (e.g. glutathione peroxidase), protecting immune cells from oxidative stress. However, in cancer, selenium has biological bimodal action depending on the concentration. At nutritional low doses, selenium, depending on its form, may act as an antioxidant, protecting against oxidative stress, supporting cell survival and growth, thus, plays a chemo-preventive role; while, at supra-nutritional higher pharmacological doses, selenium acts as pro-oxidant inducing redox signalling and cell death. To date, many studies have been conducted on the benefits of selenium intake in reducing the risk of cancer incidence at the nutritional level, indicating that likely selenium functions as an immunostimulator, i.e. reversing the immunosuppression in tumour microenvironment towards antitumour immunity by activating immune cells (e.g. M1 macrophages and CD8+ T-lymphocytes) and releasing pro-inflammatory cytokines such as interferon-gamma; whereas, fewer studies have explored the effects of supra-nutritional or pharmacological doses of selenium in cancer immunity. This review, thus, systematically analyses the current knowledge about how selenium stimulates the immune system against cancer and lay the groundwork for future research. Such knowledge can be promising to design combinatorial therapies with Selenium-based compounds and other modalities like immunotherapy to lower the adverse effects and increase the efficacy of treatments.
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9
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Wu Z, Chen H, Luo W, Zhang H, Li G, Zeng F, Deng F. The Landscape of Immune Cells Infiltrating in Prostate Cancer. Front Oncol 2020; 10:517637. [PMID: 33194581 PMCID: PMC7658630 DOI: 10.3389/fonc.2020.517637] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 09/21/2020] [Indexed: 12/13/2022] Open
Abstract
Background This study was to explore the infiltration pattern of immune cells in the prostate cancer (PCa) microenvironment and evaluate the possibility of specific infiltrating immune cells as potential prognostic biomarkers in PCa. Methods Infiltrating percentage of 22 immune cells were extracted from 27 normalized datasets by CIBERSORT algorithm. Samples with CIBERSORT p-value < 0.05 were subsequently merged and divided into normal or tumor groups. The differences of 22 immune cells between normal and tumor tissues were analyzed along with potential infiltrating correlations among 22 immune cells and Gleason grades. SNV data from TCGA was used to calculate the TMB score. A univariate and multivariate regression were used to evaluate the prognostic effects of immune cells in PCa. Results Ten immune cells with significant differences were identified, including seven increased and three decreased infiltrating immune cells from 190 normal prostate tissues and 537 PCa tissues. Among them, the percentage of infiltration of resting NK cells increased the most, whereas the percentage of infiltration of resting mast cells decreased the most. In normal tissues, CD8+ T cells had the strongest infiltrating correlation with monocytes, while activated NK cells and naive B cells were the highest in PCa tissues. Moreover, the infiltration of five immune cells was significantly associated with TMB score and mutations of immune gene change the infiltration of immune cells. The Area Under Curve (AUC) of the multivariate regression model for the five- and 10-year survival prediction of PCa reached 0.796 and 0.862. The validation cohort proved that the model was reproducible. Conclusions This study demonstrated that different infiltrating immune cells in prostate cancer, especially higher infiltrating M1 macrophages and neutrophils in PCa tissue, are associated with patients’ prognosis, suggesting that these two immune cells might be potential targets for PCa diagnosis and prognosis of treatment.
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Affiliation(s)
- Zhicong Wu
- Department of Clinical Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, China.,Department of Clinical Laboratory, The Fifth Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Hua Chen
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Wenyang Luo
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Hanyun Zhang
- Department of Clinical Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Guihuan Li
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
| | - Fangyin Zeng
- Department of Clinical Laboratory, The Fifth Affiliated Hospital, Southern Medical University, Guangzhou, China
| | - Fan Deng
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China
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10
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Li Z, Paulin D, Lacolley P, Coletti D, Agbulut O. Vimentin as a target for the treatment of COVID-19. BMJ Open Respir Res 2020; 7:7/1/e000623. [PMID: 32913008 PMCID: PMC7482103 DOI: 10.1136/bmjresp-2020-000623] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 12/18/2022] Open
Abstract
We and others propose vimentin as a possible cellular target for the treatment of COVID-19. This innovative idea is so recent that it requires further attention and debate. The significant role played by vimentin in virus-induced infection however is well established: (1) vimentin has been reported as a co-receptor and/or attachment site for SARS-CoV; (2) vimentin is involved in viral replication in cells; (3) vimentin plays a fundamental role in both the viral infection and the consequent explosive immune-inflammatory response and (4) a lower vimentin expression is associated with the inhibition of epithelial to mesenchymal transition and fibrosis. Moreover, the absence of vimentin in mice makes them resistant to lung injury. Since vimentin has a twofold role in the disease, not only being involved in the viral infection but also in the associated life-threatening lung inflammation, the use of vimentin-targeted drugs may offer a synergistic advantage as compared with other treatments not targeting vimentin. Consequently, we speculate here that drugs which decrease the expression of vimentin can be used for the treatment of patients with COVID-19 and advise that several Food and Drug Administration-approved drugs be immediately tested in clinical trials against SARS-CoV-2, thus broadening therapeutic options for this type of viral infection.
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Affiliation(s)
- Zhenlin Li
- Biological Adaptation and Ageing, CNRS UMR 8256, Inserm U1164, Sorbonne Université, Institut de Biologie Paris-Seine, Paris, France
| | - Denise Paulin
- Biological Adaptation and Ageing, CNRS UMR 8256, Inserm U1164, Sorbonne Université, Institut de Biologie Paris-Seine, Paris, France
| | - Patrick Lacolley
- Inserm, UMR_S 1116, DCAC, Université de Lorraine, Nancy, Lorraine, France
| | - Dario Coletti
- Biological Adaptation and Ageing, CNRS UMR 8256, Inserm U1164, Sorbonne Université, Institut de Biologie Paris-Seine, Paris, France.,Department of Anatomy, Histology, Forensic Medicine & Orthopedics, Histology & Medical Embryology Section, Sapienza University of Rome, Roma, Lazio, Italy
| | - Onnik Agbulut
- Biological Adaptation and Ageing, CNRS UMR 8256, Inserm U1164, Sorbonne Université, Institut de Biologie Paris-Seine, Paris, France
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11
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Wang YG, Liu CZ, Li YZ, Peng Y, Yan S. Cotreatments with Dex and Na2SeO3further improved antioxidant and anti-inflammatory protection of myocardial cells from I/R injury compared to their individual treatments. Free Radic Res 2020; 54:76-90. [PMID: 31909644 DOI: 10.1080/10715762.2019.1707198] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Yan-Gui Wang
- Department of General Practice, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Cui-Zhong Liu
- Department of General Practice, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Ying-Zhao Li
- Department of General Practice, Hunan Provincial People’s Hospital, The First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - You Peng
- Department of Geriatrics, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha, China
| | - Sulan Yan
- Cardiovascular Department, Hunan Provincial People’s Hospital, the First Affiliated Hospital of Hunan Normal University, Changsha, China
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Abstract
Selenium is an essential trace element for maintenance of overall health, whose deficiency and dyshomeostasis have been linked to a variety of diseases and disorders. The majority of previous researches focused on characterization of genes encoding selenoproteins or proteins involved in selenium metabolism as well as their functions. Many studies in humans also investigated the relationship between selenium and complex diseases, but their results have been inconsistent. In recent years, systems biology and "-omics" approaches have been widely used to study complex and global variations of selenium metabolism and function in physiological and different pathological conditions. The present paper reviews recent progress in large-scale and systematic analyses of the relationship between selenium status or selenoproteins and several complex diseases, mainly including population-based cohort studies and meta-analyses, genetic association studies, and some other omics-based studies. Advances in ionomics and its application in studying the interaction between selenium and other trace elements in human health and diseases are also discussed.
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Affiliation(s)
- Huimin Ying
- Department of Endocrinology, Xixi Hospital of Hangzhou, Hangzhou, 310023, Zhejiang, People's Republic of China
- Shenzhen Key Laboratory of Marine Bioresources and Ecology, Brain Disease and Big Data Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, 518055, Guangdong, People's Republic of China
| | - Yan Zhang
- Shenzhen Key Laboratory of Marine Bioresources and Ecology, Brain Disease and Big Data Research Institute, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, 518055, Guangdong, People's Republic of China.
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Diet and lifestyle considerations for patients with prostate cancer. Urol Oncol 2019; 38:105-117. [PMID: 31327752 DOI: 10.1016/j.urolonc.2019.06.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2019] [Revised: 06/10/2019] [Accepted: 06/21/2019] [Indexed: 12/20/2022]
Abstract
PURPOSE To review the literature and provide recommendations on diet and lifestyle considerations in patients with prostate cancer using evidence from randomized controlled trials (RCTs) with additional considerations based on observational evidence. MATERIALS AND METHODS We initiated our search on ClinicalTrials.gov combining the term "prostate cancer" with a variety of diet and lifestyle factors. We then supplemented our summary of publications from registered trials by including other publications available on Pubmed. RESULTS There is a well-established benefit of exercise for improving functional outcomes and pelvic floor muscle training for improving treatment-related adverse effects. Multimodality interventions that integrate several factors (e.g., low-saturated fat, plant-based, whole-food diets with exercise, and stress reduction) appear to have the most clinically significant benefit for patients with prostate cancer. Ongoing multimodality interventions are including the efficacy of implementation strategies as observed outcomes. Limited RCT evidence suggests a clinically significant benefit for guided imagery/progressive muscle relaxation, Pilates, and lycopene-rich diets and a modest benefit for green tea, qigong, massage, and avoidance of nonprescribed vitamin and mineral supplements. Observational and single arm trial evidence indicates a need for further exploration of acupuncture, coffee, cruciferous vegetables, fish, Larrea tridentata, mushrooms, and vegetable-derived fats and avoidance of eggs, dairy, poultry with skin, processed red meat, and saturated fat. Published trials suggest no benefit from hypnosis, milk thistle, pomegranate, soy, or omega-3 fatty acid supplementation. CONCLUSIONS Our search demonstrated that most diet and lifestyle factors identified from observational studies have limited data from RCTs. Few items have shown early evidence of benefit. The best recommendation for patients with prostate cancer is to form a habit of wellness through healthy eating, aerobic and resistance exercise, and psychological well-being. Future trial development should consider how interventions can be implemented into real world practice.
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Avery JC, Hoffmann PR. Selenium, Selenoproteins, and Immunity. Nutrients 2018; 10:E1203. [PMID: 30200430 PMCID: PMC6163284 DOI: 10.3390/nu10091203] [Citation(s) in RCA: 475] [Impact Index Per Article: 79.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 08/29/2018] [Accepted: 08/30/2018] [Indexed: 12/14/2022] Open
Abstract
Selenium is an essential micronutrient that plays a crucial role in development and a wide variety of physiological processes including effect immune responses. The immune system relies on adequate dietary selenium intake and this nutrient exerts its biological effects mostly through its incorporation into selenoproteins. The selenoproteome contains 25 members in humans that exhibit a wide variety of functions. The development of high-throughput omic approaches and novel bioinformatics tools has led to new insights regarding the effects of selenium and selenoproteins in human immuno-biology. Equally important are the innovative experimental systems that have emerged to interrogate molecular mechanisms underlying those effects. This review presents a summary of the current understanding of the role of selenium and selenoproteins in regulating immune cell functions and how dysregulation of these processes may lead to inflammation or immune-related diseases.
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Affiliation(s)
- Joseph C Avery
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo Street, Honolulu, HI 96813, USA.
| | - Peter R Hoffmann
- Department of Cell and Molecular Biology, John A. Burns School of Medicine, University of Hawaii, 651 Ilalo Street, Honolulu, HI 96813, USA.
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Kumari M, Purohit MP, Patnaik S, Shukla Y, Kumar P, Gupta KC. Curcumin loaded selenium nanoparticles synergize the anticancer potential of doxorubicin contained in self-assembled, cell receptor targeted nanoparticles. Eur J Pharm Biopharm 2018; 130:185-199. [DOI: 10.1016/j.ejpb.2018.06.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2018] [Revised: 04/05/2018] [Accepted: 06/30/2018] [Indexed: 12/14/2022]
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Reed D, Raina K, Agarwal R. Nutraceuticals in prostate cancer therapeutic strategies and their neo-adjuvant use in diverse populations. NPJ Precis Oncol 2018; 2:15. [PMID: 30062144 PMCID: PMC6060229 DOI: 10.1038/s41698-018-0058-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 06/18/2018] [Accepted: 06/21/2018] [Indexed: 12/17/2022] Open
Abstract
Prostate cancer (PCa) is the most frequently diagnosed malignancy and second leading cause of cancer mortality in American males. Notably, men of African descent in the United States and Caribbean have the highest PCa mortality rates compared to men with European ancestry. Although current therapeutics are quite potent and effective, disease resistance, progression to metastasis, therapy-associated toxicities and efficacy-related issues in diverse populations develop over time. Thus, non-toxic and efficacious therapeutic strategies are needed to address these major obstacles for the clinical treatment and management of PCa. In this regard, preclinical and population-based efficacy studies have shown the potential of natural non-toxic nutraceuticals as potent anti-PCa agents. Accordingly, the implementation of nutraceutical intervention and genetic testing in diverse populations might aid in the development and design of precision medicine strategies to reduce the burden of chemotherapy-associated toxicities, suppress disease resistance, and treat both localized and advanced PCa. Consequently, additional large-scale and inclusive clinical studies are required to fully assess efficacy and therapeutic limitations of these agents in PCa. This review discusses the most current clinical research on selected nutraceutical agents and their efficacy in the context of clinico-pathological outcomes and disease susceptibility in diverse PCa clinical and epidemiological studies.
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Affiliation(s)
- Dominique Reed
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO USA
| | - Komal Raina
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO USA
- University of Colorado Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, CO USA
| | - Rajesh Agarwal
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, Aurora, CO USA
- University of Colorado Cancer Center, University of Colorado Anschutz Medical Campus, Aurora, CO USA
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