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Hantikainen E, Lagerros YT. Vitamin E - a scoping review for Nordic Nutrition Recommendations 2023. Food Nutr Res 2023; 67:10238. [PMID: 38187798 PMCID: PMC10770650 DOI: 10.29219/fnr.v67.10238] [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: 08/07/2022] [Revised: 02/15/2023] [Accepted: 09/19/2023] [Indexed: 01/09/2024] Open
Abstract
Current evidence suggests that dietary vitamin E (as α-tocopherol) intake has a beneficial role in preventing certain chronic diseases. In contrast, there is no clear evidence for the benefit of α-tocopherol supplements in a generally healthy population. Deficiency symptoms are rare and mainly occur due to genetic or other factors affecting α-tocopherol absorption and/or metabolism, rather than a low α-tocopherol intake. No qualified systematic review was identified by the NNR2023 project for updating the dietary reference values (DRV).
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Affiliation(s)
| | - Ylva Trolle Lagerros
- Division for Clinical Epidemiology, Department of Medicine (Solna), Karolinska Institutet, Stockholm, Sweden
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2
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Nel J, Elkhoury K, Velot É, Bianchi A, Acherar S, Francius G, Tamayol A, Grandemange S, Arab-Tehrany E. Functionalized liposomes for targeted breast cancer drug delivery. Bioact Mater 2023; 24:401-437. [PMID: 36632508 PMCID: PMC9812688 DOI: 10.1016/j.bioactmat.2022.12.027] [Citation(s) in RCA: 30] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 12/05/2022] [Accepted: 12/25/2022] [Indexed: 01/03/2023] Open
Abstract
Despite the exceptional progress in breast cancer pathogenesis, prognosis, diagnosis, and treatment strategies, it remains a prominent cause of female mortality worldwide. Additionally, although chemotherapies are effective, they are associated with critical limitations, most notably their lack of specificity resulting in systemic toxicity and the eventual development of multi-drug resistance (MDR) cancer cells. Liposomes have proven to be an invaluable drug delivery system but of the multitudes of liposomal systems developed every year only a few have been approved for clinical use, none of which employ active targeting. In this review, we summarize the most recent strategies in development for actively targeted liposomal drug delivery systems for surface, transmembrane and internal cell receptors, enzymes, direct cell targeting and dual-targeting of breast cancer and breast cancer-associated cells, e.g., cancer stem cells, cells associated with the tumor microenvironment, etc.
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Affiliation(s)
- Janske Nel
- Université de Lorraine, LIBio, F-54000, Nancy, France
| | | | - Émilie Velot
- Université de Lorraine, CNRS, IMoPA, F-54000, Nancy, France
| | - Arnaud Bianchi
- Université de Lorraine, CNRS, IMoPA, F-54000, Nancy, France
| | - Samir Acherar
- Université de Lorraine, CNRS, LCPM, F-54000, Nancy, France
| | | | - Ali Tamayol
- Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, 06030, USA
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Kjær IM, Kahns S, Timm S, Andersen RF, Madsen JS, Jakobsen EH, Tabor TP, Jakobsen A, Bechmann T. Phase II trial of delta-tocotrienol in neoadjuvant breast cancer with evaluation of treatment response using ctDNA. Sci Rep 2023; 13:8419. [PMID: 37225860 DOI: 10.1038/s41598-023-35362-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/17/2023] [Indexed: 05/26/2023] Open
Abstract
Neoadjuvant treatment of breast cancer is applied to an increasing extent, but treatment response varies and side effects pose a challenge. The vitamin E isoform delta-tocotrienol might enhance the efficacy of chemotherapy and reduce the risk of side effects. The aim of this study was to investigate the clinical effect of delta-tocotrienol combined with standard neoadjuvant treatment and the possible association between detectable circulating tumor DNA (ctDNA) during and after neoadjuvant treatment with pathological treatment response. This open-label, randomized phase II trial included 80 women with newly diagnosed, histologically verified breast cancer randomized to standard neoadjuvant treatment alone or in combination with delta-tocotrienol. There was no difference in the response rate or frequency of serious adverse events between the two arms. We developed a multiplex digital droplet polymerase chain reaction (ddPCR) assay for the detection of ctDNA in breast cancer patients that targets a combination of two methylations specific for breast tissue (LMX1B and ZNF296) and one cancer specific methylation (HOXA9). The sensitivity of the assay increased when the cancer specific marker was combined with the ones specific to breast tissue (p < 0.001). The results did not show any association between ctDNA status and pathological treatment response, neither at midterm nor before surgery.
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Affiliation(s)
- Ina Mathilde Kjær
- Department of Biochemistry and Immunology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark.
- Department of Regional Health Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark.
| | - Søren Kahns
- Department of Biochemistry and Immunology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
| | - Signe Timm
- Department of Oncology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
- Department of Regional Health Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Rikke Fredslund Andersen
- Department of Biochemistry and Immunology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
- Department of Oncology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
| | - Jonna Skov Madsen
- Department of Biochemistry and Immunology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
- Department of Regional Health Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Erik Hugger Jakobsen
- Department of Oncology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
- Department of Medicine, Hospital Soenderjylland, University Hospital of Southern Denmark, Aabenraa, Denmark
| | - Tomasz Piotr Tabor
- Department of Pathology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
- Department of Pathology, Viborg Hospital, Regional Hospital Central Jutland, Viborg, Denmark
| | - Anders Jakobsen
- Department of Oncology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
- Department of Regional Health Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark
| | - Troels Bechmann
- Department of Oncology, Vejle Hospital, University Hospital of Southern Denmark, Vejle, Denmark
- Department of Oncology, Regional Hospital West Jutland, Herning, Denmark
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Sánchez-Osorno DM, López-Jaramillo MC, Caicedo Paz AV, Villa AL, Peresin MS, Martínez-Galán JP. Recent Advances in the Microencapsulation of Essential Oils, Lipids, and Compound Lipids through Spray Drying: A Review. Pharmaceutics 2023; 15:pharmaceutics15051490. [PMID: 37242731 DOI: 10.3390/pharmaceutics15051490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/25/2022] [Accepted: 12/02/2022] [Indexed: 05/28/2023] Open
Abstract
In recent decades, the microcapsules of lipids, compound lipids, and essential oils, have found numerous potential practical applications in food, textiles, agricultural products, as well as pharmaceuticals. This article discusses the encapsulation of fat-soluble vitamins, essential oils, polyunsaturated fatty acids, and structured lipids. Consequently, the compiled information establishes the criteria to better select encapsulating agents as well as combinations of encapsulating agents best suited to the types of active ingredient to be encapsulated. This review shows a trend towards applications in food and pharmacology as well as the increase in research related to microencapsulation by the spray drying of vitamins A and E, as well as fish oil, thanks to its contribution of omega 3 and omega 6. There is also an increase in articles in which spray drying is combined with other encapsulation techniques, or modifications to the conventional spray drying system.
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Affiliation(s)
- Diego Mauricio Sánchez-Osorno
- Grupo de Investigación Alimentación y Nutrición Humana-GIANH, Escuela de Nutrición y Dietética, Universidad de Antioquia, Cl. 67, No 53-108, Medellín 050010, Colombia
- Grupo de Investigación e Innovación Ambiental (GIIAM), Institución Universitaria Pascual Bravo, Cl. 73, No 73a-226, Medellín 050034, Colombia
| | - María Camila López-Jaramillo
- Grupo de Investigación e Innovación Ambiental (GIIAM), Institución Universitaria Pascual Bravo, Cl. 73, No 73a-226, Medellín 050034, Colombia
| | - Angie Vanesa Caicedo Paz
- Grupo de Investigación Alimentación y Nutrición Humana-GIANH, Escuela de Nutrición y Dietética, Universidad de Antioquia, Cl. 67, No 53-108, Medellín 050010, Colombia
| | - Aída Luz Villa
- Grupo Catálisis Ambiental, Universidad de Antioquia, Cl. 67, No 53-108, Medellín 050010, Colombia
| | - María S Peresin
- Sustainable Bio-Based Materials Lab, Forest Products Development Center, College of Forestry, Wildlife, Auburn University, Auburn, AL 36849, USA
| | - Julián Paul Martínez-Galán
- Grupo de Investigación Alimentación y Nutrición Humana-GIANH, Escuela de Nutrición y Dietética, Universidad de Antioquia, Cl. 67, No 53-108, Medellín 050010, Colombia
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Weber AM, Ibrahim H, Baxter BA, Kumar R, Maurya AK, Kumar D, Agarwal R, Raina K, Ryan EP. Integrated Microbiota and Metabolite Changes following Rice Bran Intake during Murine Inflammatory Colitis-Associated Colon Cancer and in Colorectal Cancer Survivors. Cancers (Basel) 2023; 15:2231. [PMID: 37190160 PMCID: PMC10136752 DOI: 10.3390/cancers15082231] [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: 02/03/2023] [Revised: 03/29/2023] [Accepted: 03/29/2023] [Indexed: 05/17/2023] Open
Abstract
Dietary rice bran-mediated inhibition of colon carcinogenesis was demonstrated previously for carcinogen-induced rodent models via multiple anti-cancer mechanisms. This study investigated the role of dietary rice bran-mediated changes to fecal microbiota and metabolites over the time course of colon carcinogenesis and compared murine fecal metabolites to human stool metabolic profiles following rice bran consumption by colorectal cancer survivors (NCT01929122). Forty adult male BALB/c mice were subjected to azoxymethane (AOM)/dextran sodium sulfate (DSS)-induced colitis-associated colon carcinogenesis and randomized to control AIN93M (n = 20) or diets containing 10% w/w heat-stabilized rice bran (n = 20). Feces were serially collected for 16S rRNA amplicon sequencing and non-targeted metabolomics. Fecal microbiota richness and diversity was increased in mice and humans with dietary rice bran treatment. Key drivers of differential bacterial abundances from rice bran intake in mice included Akkermansia, Lactococcus, Lachnospiraceae, and Eubacterium xylanophilum. Murine fecal metabolomics revealed 592 biochemical identities with notable changes to fatty acids, phenolics, and vitamins. Monoacylglycerols, dihydroferulate, 2-hydroxyhippurate (salicylurate), ferulic acid 4-sulfate, and vitamin B6 and E isomers significantly differed between rice bran- and control-fed mice. The kinetics of murine metabolic changes by the host and gut microbiome following rice bran consumption complemented changes observed in humans for apigenin, N-acetylhistamine, and ethylmalonate in feces. Increased enterolactone abundance is a novel diet-driven microbial metabolite fecal biomarker following rice bran consumption in mice and humans from this study. Dietary rice bran bioactivity via gut microbiome metabolism in mice and humans contributes to protection against colorectal cancer. The findings from this study provide compelling support for rice bran in clinical and public health guidelines for colorectal cancer prevention and control.
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Affiliation(s)
- Annika M. Weber
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO 80523, USA
| | - Hend Ibrahim
- Department of Medical Biochemistry, Faculty of Medicine, Zagazig University, Zagazig 44519, Egypt
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80523, USA
| | - Bridget A. Baxter
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80523, USA
| | - Robin Kumar
- Department of Pharmaceutical Sciences, South Dakota State University, Brookings, SD 57007, USA
| | - Akhilendra K. Maurya
- Department of Pharmaceutical Sciences, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Dileep Kumar
- Department of Pharmaceutical Sciences, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Rajesh Agarwal
- Department of Pharmaceutical Sciences, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Komal Raina
- Department of Pharmaceutical Sciences, South Dakota State University, Brookings, SD 57007, USA
- Department of Pharmaceutical Sciences, University of Colorado Denver—Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Elizabeth P. Ryan
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80523, USA
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de Oliveira VA, Monteiro Fernandes ANR, Dos Santos Leal LM, Ferreira Lima PA, Silva Pereira AR, Pereira IC, Negreiros HA, Pereira-Freire JA, da Silva FCC, de Carvalho Melo Cavalcante AA, Torres-Leal FL, Azevedo AP, de Castro E Sousa JM. α-tocopherol as a selective modulator of toxicogenic damage induced by antineoplastic agents cyclophosphamide and doxorubicin. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:87-102. [PMID: 36756732 DOI: 10.1080/15287394.2023.2168224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The aim of this study was to determine the oxidative/antioxidative effects, modulatory and selective potential of α-tocopherol (vitamin E) on antineoplastic drug-induced toxicogenetic damage. The toxicity, cytotoxicity and genotoxicity induced by antineoplastic agents cyclophosphamide (CPA) and doxorubicin (DOX) was examined utilizing as models Saccharomyces cerevisiae, Allium cepa, Artemia salina and human peripheral blood mononuclear cells (PBMCs) in the presence of α-tocopherol. For these tests, concentrations of α- tocopherol 100 IU/ml (67mg/ml), CPA 20 µg/ml, DOX 2 µg/ml were used. The selectivity of α-tocopherol was assessed by the MTT test using human mammary gland non-tumor (MCF10A) and tumor (MCF-7) cell lines. Data showed cytoplasmic and mitochondrial oxidative damage induced by CPA or DOX was significantly diminished by α-tocopherol in S. cerevisiae. In addition, the toxic effects on A. salina and cytotoxic and mutagenic effects on A. cepa were significantly reduced by α-tocopherol. In PBMCs, α-tocopherol alone did not markedly affect these cells, and when treated in conjunction with CPA or DOX, α-tocopherol reduced the toxicogenetic effects noted after antineoplastic drug administration as evidenced by decreased chromosomal alterations and lowered cell death rate. In human mammary gland non-tumor and tumor cell lines, α-tocopherol produced selective cytotoxicity with 2-fold higher effect in tumor cells. Evidence indicates that vitamin E (1) produced anti-cytotoxic and anti-mutagenic effects against CPA and DOX (2) increased higher selectivity toward tumor cells, and (3) presented chemoprotective activity in PBMCs.
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Affiliation(s)
- Victor Alves de Oliveira
- Department of Nutrition, Campus Senador Helvídio Nunes de Barros - CSHNB, Federal University of Piauí - UFPI, Picos, Brazil
| | | | - Lauana Maria Dos Santos Leal
- Laboratory of Research, Campus Senador Helvídio Nunes de Barros - CSHNB, Federal University of Piauí - UFPI, Picos, Brazil
| | - Paloma Alves Ferreira Lima
- Laboratory of Research, Campus Senador Helvídio Nunes de Barros - CSHNB, Federal University of Piauí - UFPI, Picos, Brazil
| | - Ana Rafaela Silva Pereira
- Laboratory of Research, Campus Senador Helvídio Nunes de Barros - CSHNB, Federal University of Piauí - UFPI, Picos, Brazil
| | - Irislene Costa Pereira
- Department of Biophysics and Physiology, Metabolic Diseases, Exercise and Nutrition Research Group (DOMEN) Center for Health Sciences, Federal University of Piaui, Teresina, Brazil
| | - Helber Alves Negreiros
- Laboratory of Research, Campus Senador Helvídio Nunes de Barros - CSHNB, Federal University of Piauí - UFPI, Picos, Brazil
| | - Joilane Alves Pereira-Freire
- Department of Nutrition, Campus Senador Helvídio Nunes de Barros - CSHNB, Federal University of Piauí - UFPI, Picos, Brazil
| | | | - Ana Amélia de Carvalho Melo Cavalcante
- Department of Biophysics and Physiology, Metabolic Diseases, Exercise and Nutrition Research Group (DOMEN) Center for Health Sciences, Federal University of Piaui, Teresina, Brazil
| | - Francisco Leonardo Torres-Leal
- Department of Biophysics and Physiology, Metabolic Diseases, Exercise and Nutrition Research Group (DOMEN) Center for Health Sciences, Federal University of Piaui, Teresina, Brazil
| | - Adriana Paiva Azevedo
- Post-graduate program of Food and Nutrition, Federal University of Piauí - UFPI, Picos, Brazil
| | - João Marcelo de Castro E Sousa
- Post-graduate program of Biotechnology (RENORBIO), Federal University of Piauí - UFPI, Picos, Brazil
- Department of Biochemistry and Pharmacology, Post-graduate program of Pharmaceutical sciences, Federal University of Piauí - UFPI, Picos, Brazil
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Ferreira DM, de Oliveira NM, Chéu MH, Meireles D, Lopes L, Oliveira MB, Machado J. Updated Organic Composition and Potential Therapeutic Properties of Different Varieties of Olive Leaves from Olea europaea. PLANTS (BASEL, SWITZERLAND) 2023; 12:688. [PMID: 36771772 PMCID: PMC9921517 DOI: 10.3390/plants12030688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/08/2023] [Revised: 01/26/2023] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Olea europaea L. folium merits further exploration of the potential of its substrates for therapeutic supplements. Quantitative and qualitative analyses were conducted on samples of Madural, Verdeal, and Cobrançosa elementary leaves and leaf sprouts (mamões) collected in the region of Valpaços, Portugal. Organic analysis assessed the moisture content, total carbohydrates, ash, protein, and fat contents, total phenolic content (TPC), vitamin E, and fatty acid (FA) profiles. Moisture content was determined through infrared hygrometry and TPC was determined by a spectrophotometric method. Concerning organic analysis, all leaf samples showed similar moisture content, though Cobrançosa's leaf sprouts and Verdeal's elementary leaves had slightly lower contents. Meanwhile, these cultivars also showed a higher TPC, α-tocopherol isomer, and fatty acid composition (FAC). FAC in all samples exhibited higher contents of PUFA and SFA than MUFA, with a predominance of linolenic and palmitic acids. Organic analyses of Cobrançosa's leaf sprouts and Verdeal's elementary leaf extracts allow for the prediction of adequate physiological properties regarding neuroinflammatory, neurobehavioral, metabolic, cardiovascular, osteo-degenerative, anti-ageing, pulmonary, and immunological defense disorders. These physiological changes observed in our preliminary in silico studies suggest an excellent nutraceutical, which should be borne in mind during severe pandemic situations.
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Affiliation(s)
- Diana Melo Ferreira
- LAQV/REQUIMTE—Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Natália M. de Oliveira
- Laboratory of Applied Physiology, Institute of Biomedical Sciences Abel Salazar—ICBAS, University of Porto, 4050-313 Porto, Portugal
- Centre of Biosciences in Integrative Health—CBSin, 4250-105 Porto, Portugal
| | - Maria Helena Chéu
- RECI—Research Unit in Education and Community Intervention, Instituto Piaget—ISEIT, 3515-776 Viseu, Portugal
| | - Diana Meireles
- Laboratory of Applied Physiology, Institute of Biomedical Sciences Abel Salazar—ICBAS, University of Porto, 4050-313 Porto, Portugal
| | - Lara Lopes
- Laboratory of Applied Physiology, Institute of Biomedical Sciences Abel Salazar—ICBAS, University of Porto, 4050-313 Porto, Portugal
- Centre of Biosciences in Integrative Health—CBSin, 4250-105 Porto, Portugal
| | - Maria Beatriz Oliveira
- LAQV/REQUIMTE—Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Jorge Machado
- Laboratory of Applied Physiology, Institute of Biomedical Sciences Abel Salazar—ICBAS, University of Porto, 4050-313 Porto, Portugal
- Centre of Biosciences in Integrative Health—CBSin, 4250-105 Porto, Portugal
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Biomarkers Regulated by Lipid-Soluble Vitamins in Glioblastoma. Nutrients 2022; 14:nu14142873. [PMID: 35889829 PMCID: PMC9322598 DOI: 10.3390/nu14142873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/07/2022] [Accepted: 07/11/2022] [Indexed: 02/04/2023] Open
Abstract
Glioblastoma (GBM), a highly lethal form of adult malignant gliomas with little clinical advancement, raises the need for alternative therapeutic approaches. Lipid-soluble vitamins have gained attention in malignant brain tumors owing to their pleiotropic properties and their anti-cancer potential have been reported in a number of human GBM cell lines. The aim of this paper is to systematically review and describe the roles of various biomarkers regulated by lipid-soluble vitamins, such as vitamins A, D, E, and K, in the pathophysiology of GBM. Briefly, research articles published between 2005 and 2021 were systematically searched and selected from five databases (Scopus, PubMed, Ovid MEDLINE, EMBASE via Ovid, and Web of Science) based on the study’s inclusion and exclusion criteria. In addition, a number of hand-searched research articles identified from Google Scholar were also included for the analysis. A total of 40 differentially expressed biomarkers were identified from the 19 eligible studies. The results from the analysis suggest that retinoids activate cell differentiation and suppress the biomarkers responsible for stemness in human GBM cells. Vitamin D appears to preferentially modulate several cell cycle biomarkers, while vitamin E derivatives seem to predominantly modulate biomarkers related to apoptosis. However, vitamin K1 did not appear to induce any significant changes to the Raf/MEK/ERK signaling or apoptotic pathways in human GBM cell lines. From the systematic analysis, 12 biomarkers were identified that may be of interest for further studies, as these were modulated by one or two of these lipid-soluble vitamins.
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Ranasinghe R, Mathai M, Zulli A. Revisiting the therapeutic potential of tocotrienol. Biofactors 2022; 48:813-856. [PMID: 35719120 PMCID: PMC9544065 DOI: 10.1002/biof.1873] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/13/2022] [Indexed: 12/14/2022]
Abstract
The therapeutic potential of the tocotrienol group stems from its nutraceutical properties as a dietary supplement. It is largely considered to be safe when consumed at low doses for attenuating pathophysiology as shown by animal models, in vitro assays, and ongoing human trials. Medical researchers and the allied sciences have experimented with tocotrienols for many decades, but its therapeutic potential was limited to adjuvant or concurrent treatment regimens. Recent studies have focused on targeted drug delivery by enhancing the bioavailability through carriers, self-sustained emulsions, nanoparticles, and ethosomes. Epigenetic modulation and computer remodeling are other means that will help increase chemosensitivity. This review will focus on the systemic intracellular anti-cancer, antioxidant, and anti-inflammatory mechanisms that are stimulated and/or regulated by tocotrienols while highlighting its potent therapeutic properties in a diverse group of clinical diseases.
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Affiliation(s)
- Ranmali Ranasinghe
- Institute of Health and Sport, College of Health and MedicineVictoria UniversityMelbourneVictoriaAustralia
| | - Michael Mathai
- Institute of Health and Sport, College of Health and MedicineVictoria UniversityMelbourneVictoriaAustralia
| | - Anthony Zulli
- Institute of Health and Sport, College of Health and MedicineVictoria UniversityMelbourneVictoriaAustralia
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10
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Zainal Z, Khaza'ai H, Kutty Radhakrishnan A, Chang SK. Therapeutic potential of palm oil vitamin E-derived tocotrienols in inflammation and chronic diseases: Evidence from preclinical and clinical studies. Food Res Int 2022; 156:111175. [DOI: 10.1016/j.foodres.2022.111175] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 03/17/2022] [Accepted: 03/17/2022] [Indexed: 12/17/2022]
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11
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Gu I, Gregory E, Atwood C, Lee SO, Song YH. Exploring the Role of Metabolites in Cancer and the Associated Nerve Crosstalk. Nutrients 2022; 14:nu14091722. [PMID: 35565690 PMCID: PMC9103817 DOI: 10.3390/nu14091722] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/12/2022] [Accepted: 04/15/2022] [Indexed: 02/05/2023] Open
Abstract
Since Otto Warburg's first report on the increased uptake of glucose and lactate release by cancer cells, dysregulated metabolism has been acknowledged as a hallmark of cancer that promotes proliferation and metastasis. Over the last century, studies have shown that cancer metabolism is complex, and by-products of glucose and glutamine catabolism induce a cascade of both pro- and antitumorigenic processes. Some vitamins, which have traditionally been praised for preventing and inhibiting the proliferation of cancer cells, have also been proven to cause cancer progression in a dose-dependent manner. Importantly, recent findings have shown that the nervous system is a key player in tumor growth and metastasis via perineural invasion and tumor innervation. However, the link between cancer-nerve crosstalk and tumor metabolism remains unclear. Here, we discuss the roles of relatively underappreciated metabolites in cancer-nerve crosstalk, including lactate, vitamins, and amino acids, and propose the investigation of nutrients in cancer-nerve crosstalk based on their tumorigenicity and neuroregulatory capabilities. Continued research into the metabolic regulation of cancer-nerve crosstalk will provide a more comprehensive understanding of tumor mechanisms and may lead to the identification of potential targets for future cancer therapies.
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Affiliation(s)
- Inah Gu
- Department of Food Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72704, USA
| | - Emory Gregory
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701, USA
| | - Casey Atwood
- Department of Food Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72704, USA
| | - Sun-Ok Lee
- Department of Food Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72704, USA
| | - Young Hye Song
- Department of Biomedical Engineering, University of Arkansas, Fayetteville, AR 72701, USA
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12
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Badraoui R, Saeed M, Bouali N, Hamadou WS, Elkahoui S, Alam MJ, Siddiqui AJ, Adnan M, Saoudi M, Rebai T. Expression Profiling of Selected Immune Genes and Trabecular Microarchitecture in Breast Cancer Skeletal Metastases Model: Effect of α-Tocopherol Acetate Supplementation. Calcif Tissue Int 2022; 110:475-488. [PMID: 34988595 DOI: 10.1007/s00223-021-00931-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 11/18/2021] [Indexed: 01/26/2023]
Abstract
Breast cancer bone metastases (BCBM) result in serious skeletal morbidity. Although there have been important advances in cancer treatment methods such as surgery and chemotherapy, the complementary treatments, such as α-tocopherol acetate (ATA), still remain of key role via complementary and/or synergistic effects. The aim of this work was to study immune response in a rat model of BCBM due to Walker 256/B cells inoculation and the effect of ATA alone. Compared to the control group (CTRL), rat injected with Walker 256/B cells (5 × 104) in the medullar cavity (W256 group) showed osteolytic damages with marked tumor osteolysis of both cancellous and trabecular bone as assessed by X-ray radiology, micro-computed tomography, and histology. Rats inoculated with Walker 256/B cells and treated with ATA (45 mg/kg BW, W256ATA group) presented marked less tumor osteolysis, less disturbance of Tb.Th and Tb.Sp associated with conversion of rods into plates, and increased structure model index and trabecular pattern factor (Tb.Pf). Elsewhere, 3D frequency distributions of Tb.Th and Tb.Sp were highly disturbed in metastatic W256 rats. Overexpression of some genes commonly associated with cancer and metastatic proliferation: COX-2, TNF-α, and pro-inflammatory interleukins 1 and 6 was outlined. ATA alleviated most of the Walker 256/B cells-induced microarchitectural changes in the target parameters without turning back to normal levels. Likewise, it alleviates the BCSM-induced overexpression of COX-2, TNF-α, IL-1, and IL-6. In silico approach showed that ATA bound these proteins with high affinities, which satisfactory explain its beneficial effects. In conclusion, BCBM is associated with bone microarchitectural disorders and an immune response characterized by an overexpression of some key role genes in cancer proliferation and invasion. ATA exerted favorable effects on trabecular bone distribution and morphology, which may involve the COX-2, TNF-α, and ILs pathways.
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Affiliation(s)
- Riadh Badraoui
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia.
- Section of Histology-Cytology, Medicine Faculty of Tunis, University of Tunis El Manar, La Rabta, 1007, Tunis, Tunisia.
- Laboratory of Histo-Embryology and Cytogenetics, Medicine Faculty of Sfax, University of Sfax, 3029, Sfax, Tunisia.
| | - Mohd Saeed
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia
| | - Nouha Bouali
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia
- Research Unit "Biologie Moléculaire Des Leucémies Et Lymphomes", Laboratory of Biochemistry, Medicine Faculty of Sousse University, 4002, Sousse, Tunisia
| | - Walid S Hamadou
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia
- Research Unit "Biologie Moléculaire Des Leucémies Et Lymphomes", Laboratory of Biochemistry, Medicine Faculty of Sousse University, 4002, Sousse, Tunisia
| | - Salem Elkahoui
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia
- Laboratory of Bioactive Substances, Center of Biotechnology of Borj Cedria (CBBC), 2050, Hammam-Lif, Tunisia
| | - Mohammad J Alam
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia
| | - Arif J Siddiqui
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia
| | - Mohd Adnan
- Laboratory of General Biology, Department of Biology, University of Ha'il, Ha'il, 81451, Saudi Arabia
| | - Mongi Saoudi
- Laboratory Animal Physiology, Department of Biology, College of Science, University of Sfax, 3045, Sfax, Tunisia
| | - Tarek Rebai
- Laboratory of Histo-Embryology and Cytogenetics, Medicine Faculty of Sfax, University of Sfax, 3029, Sfax, Tunisia
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13
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Wang H, Yan W, Sun Y, Yang CS. δ-Tocotrienol is the most potent vitamin E form in inhibiting prostate cancer cell growth and inhibits prostate carcinogenesis in Ptenp-/- mice. Cancer Prev Res (Phila) 2022; 15:233-245. [PMID: 35144931 DOI: 10.1158/1940-6207.capr-21-0508] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Revised: 01/12/2022] [Accepted: 02/04/2022] [Indexed: 11/16/2022]
Abstract
Vitamin E compounds, consisting of α, β, γ, and δ forms of tocopherols and tocotrienols, display different cancer preventive activities in experimental models. Tocotrienols may have higher potential for clinical use due to their lower effective doses in laboratory studies. However, most studies on tocotrienols have been carried out using cancer cell lines. Strong data from animal studies may encourage the use of tocotrienols for human cancer prevention research. To examine the cancer inhibitory activity of different vitamin E forms, we first investigated their inhibitory activities of different vitamin E forms in prostate cancer cell lines. We found that δ-tocotrienol (δT3) was the most effective form in inhibiting cell growth at equivalent doses. Because of this in vitro potency, δT3 was further studied using prostate specific Pten-/- (Ptenp-/-) mice. We found that 0.05% δT3 in diet reduced prostate adenocarcinoma multiplicity by 32.7%, featuring increased apoptosis and reduced cell proliferation. The inhibitory effect of 0.05% δT3 in diet was similar to that of 0.2% δ-tocopherol (δT) in diet reported previously. Our further study on the δT3-induced transcriptome changes indicated that δT3 inhibited genes in blood vessel development in the prostate of Ptenp-/- mice, which was confirmed by immunohistochemistry. Together, our results demonstrate that δT3 effectively inhibits the development of prostate adenocarcinoma in Ptenp-/- mice, which involves inhibition of proliferation and angiogenesis and promotion of apoptosis.
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Affiliation(s)
- Hong Wang
- Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey
| | - William Yan
- Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey
| | - Yuhai Sun
- Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey
| | - Chung S Yang
- Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey
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14
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Lucci A, Vera MC, Comanzo CG, Lorenzetti F, Ferretti AC, Ceballos MP, Quiroga AD, Alvarez MDL, Carrillo MC. Delta-tocotrienol enhances the antitumor effects of interferon alpha through ROS and Erk/MAPK signaling pathways in hepatocellular carcinoma cells. Can J Physiol Pharmacol 2021; 100:453-463. [PMID: 34932399 DOI: 10.1139/cjpp-2021-0606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The complexity of hepatocellular carcinoma (HCC) signaling and the failure of pharmacological therapeutics reveal the significance of establishing new anti-cancer strategies. Interferon alpha (IFN α) has been used as adjuvant therapy for reducing HCC recurrence and improving survival. Delta-tocotrienol (δ-tocotrienol), a natural unsaturated isoform of vitamin E, is a promising candidate for cancer treatment. In this study, we evaluated whether the combination of δ-tocotrienol with IFN α displays significant advantages in the treatment of HCC cells. Results showed that the combination significantly decreased cell viability, migration and invasion of HCC cells compared to single therapies. Combining δ-tocotrienol and IFN α enhanced the decrease in proliferating cell nuclear antigen (PCNA) and matrix metalloproteinases MMP-7 and MMP-9. The combination also produced an enhancement of apoptosis together with increased Bax/Bcl-xL ratio and ROS generation. δ-tocotrienol induced Notch1 activation and changes in Erk and p38 MAPK signaling status. Blocking experiments confirmed that ROS and Erk are involved, at least in part, in the anticancer effects of the combined treatment. In conclusion, the combination of δ-tocotrienol with IFN α therapy showed promising results for HCC cells treatment, which makes the combination of cytokine-based immunotherapy with natural products a potential strategy against liver cancer.
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Affiliation(s)
- Alvaro Lucci
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Argentina;
| | - Marina C Vera
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Argentina;
| | - Carla G Comanzo
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Argentina;
| | - Florencia Lorenzetti
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Argentina;
| | - Anabela C Ferretti
- Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Argentina;
| | - María Paula Ceballos
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Argentina;
| | - Ariel D Quiroga
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Argentina.,Universidad Abierta Interamericana, 28178, Centro de Altos Estudios en Ciencias Humanas y de la Salud. Sede Rosario, Rosario, Santa Fe, Argentina;
| | - Maria de Lujan Alvarez
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Morfología, Rosario, Santa Fe, Argentina.,Universidad Abierta Interamericana, 28178, Centro de Altos Estudios en Ciencias Humanas y de la Salud. Sede Rosario, Rosario, Santa Fe, Argentina;
| | - María Cristina Carrillo
- Consejo Nacional de Investigaciones Científicas y Técnicas, 62873, Instituto de Fisiología Experimental (IFISE), Rosario, Santa Fe, Argentina.,Rosario National University Faculty of Biochemistry and Pharmaceutical Sciences, 63029, Rosario, Santa Fe, Argentina;
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15
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Vitamins as Possible Cancer Biomarkers: Significance and Limitations. Nutrients 2021; 13:nu13113914. [PMID: 34836171 PMCID: PMC8622959 DOI: 10.3390/nu13113914] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 12/11/2022] Open
Abstract
The Western-style diet, which is common in developed countries and spreading into developing countries, is unbalanced in many respects. For instance, micronutrients (vitamins A, B complex, C, D, E, and K plus iron, zinc, selenium, and iodine) are generally depleted in Western food (causing what is known as ‘hidden hunger’), whereas some others (such as phosphorus) are added beyond the daily allowance. This imbalance in micronutrients can induce cellular damage that can increase the risk of cancer. Interestingly, there is a large body of evidence suggesting a strong correlation between vitamin intake as well as vitamin blood concentrations with the occurrence of certain types of cancer. The direction of association between the concentration of a given vitamin and cancer risk is tumor specific. The present review summarized the literature regarding vitamins and cancer risk to assess whether these could be used as diagnostic or prognostic markers, thus confirming their potential as biomarkers. Despite many studies that highlight the importance of monitoring vitamin blood or tissue concentrations in cancer patients and demonstrate the link between vitamin intake and cancer risk, there is still an urgent need for more data to assess the effectiveness of vitamins as biomarkers in the context of cancer. Therefore, this review aims to provide a solid basis to support further studies on this promising topic.
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16
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Vera MC, Lucci A, Ferretti AC, Abbondanzieri AA, Comanzo CG, Lorenzetti F, Pisani GB, Ceballos MP, Alvarez MDL, Carrillo MC, Quiroga AD. The chemoprotective effects of IFN-α-2b on rat hepatocarcinogenesis are blocked by vitamin E supplementation. J Nutr Biochem 2021; 96:108806. [PMID: 34147603 DOI: 10.1016/j.jnutbio.2021.108806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 05/07/2021] [Accepted: 06/01/2021] [Indexed: 01/28/2023]
Abstract
Many cancer patients receive their classical therapies together with vitamin supplements. However, the effectiveness of these strategies is on debate. Here we aimed to evaluate how vitamin E supplementation affects the anticancer effects of interferon (IFN-α) using an early-model of liver cancer development (initiation-promotion, IP). Male Wistar rats subjected to this model were divided as follows: untreated (IP), IP treated with recombinant IFN-α-2b (6.5 × 105 U/kg), IP treated with vitamin E (50 mg/kg), and IP treated with combination of vitamin E and IFN-α-2b. After treatments rats were fasted and euthanized and plasma and livers were collected. Combined administration of vitamin E and IFN-α-2b induced body weight drop, increased liver apoptosis, and low levels of hepatic lipids. Interestingly, vitamin E and IFN-α-2b combination also induced an increase in altered hepatic foci number, but not in size. It seems that vitamin E acts on its antioxidant capability in order to block the oxidative stress induced by IFN-α-2b, blocking in turn its beneficial effects on preneoplastic livers, leading to harmful final effects. In conclusion, this study shows that vitamin E supplementation in IFN-α-2b-treated rats exerts unwanted effects; and highlights that in spite of being natural, nutritional supplements may not always exert beneficial outcomes when used as complementary therapy for the treatment of cancer.
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Affiliation(s)
- Marina C Vera
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | - Alvaro Lucci
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina; Área Morfología, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | - Anabela C Ferretti
- Área Morfología, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | | | - Carla G Comanzo
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | - Florencia Lorenzetti
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | - Gerardo B Pisani
- Área Morfología, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | - María P Ceballos
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | - Maria de L Alvarez
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina; Área Morfología, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina; CAECIHS, Universidad Abierta Interamericana, Rosario, Argentina
| | - María C Carrillo
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina; Área Morfología, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina
| | - Ariel D Quiroga
- Instituto de Fisiología Experimental (IFISE)-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina; Área Morfología, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Argentina; CAECIHS, Universidad Abierta Interamericana, Rosario, Argentina.
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17
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George BP, Chandran R, Abrahamse H. Role of Phytochemicals in Cancer Chemoprevention: Insights. Antioxidants (Basel) 2021; 10:antiox10091455. [PMID: 34573087 PMCID: PMC8466984 DOI: 10.3390/antiox10091455] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/02/2021] [Accepted: 09/03/2021] [Indexed: 12/21/2022] Open
Abstract
Cancer is a condition where the body cells multiply in an uncontrollable manner. Chemoprevention of cancer is a broad term that describes the involvement of external agents to slow down or suppress cancer growth. Synthetic and natural compounds are found useful in cancer chemoprevention. The occurrence of global cancer type varies, depending on many factors such as environmental, lifestyle, genetic etc. Cancer is often preventable in developed countries with advanced treatment modalities, whereas it is a painful death sentence in developing and low-income countries due to the lack of modern therapies and awareness. One best practice to identify cancer control measures is to study the origin and risk factors associated with common types. Based on these factors and the health status of patients, stage, and severity of cancer, type of treatment is decided. Even though there are well-established therapies, cancer still stands as one of the major causes of death and a public health burden globally. Research shows that most cancers can be prevented, treated, or the incidence can be delayed. Phytochemicals from various medicinal plants were reported to reduce various risk factors associated with different types of cancer through their chemopreventive role. This review highlights the role of bioactive compounds or natural products from plants in the chemoprevention of cancer. There are many plant based dietary factors involved in the chemoprevention process. The review discusses the process of carcinogenesis and chemoprevention using plants and phytocompounds, with special reference to five major chemopreventive phytocompounds. The article also summarizes the important chemopreventive mechanisms and signaling molecules involved in the process. Since the role of antioxidants in chemoprevention is inevitable, an insight into plant-based antioxidant compounds that fight against this dreadful disease at various stages of carcinogenesis and disease progression is discussed. This will fill the research gap in search of chemopreventive natural compounds and encourage scientists in clinical trials of anticancer agents from plants.
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18
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Zhang Y, Zhang T, Liang Y, Jiang L, Sui X. Dietary Bioactive Lipids: A Review on Absorption, Metabolism, and Health Properties. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:8929-8943. [PMID: 34161727 DOI: 10.1021/acs.jafc.1c01369] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Dietary lipids are an indispensable source of energy and nutrition in human life. Numerous studies have shown that dietary bioactive lipids have many health benefits, including prevention or treatment of chronic diseases. The different chemical compositions and structural characteristics of bioactive lipids not only affect their digestion, absorption, and metabolism but also affect their health properties. In this review, the major dietary bioactive lipids (fatty acids, carotenoids, phytosterols, phenolic lipids, fat-soluble vitamins, and sphingomyelins) in foods are systematically summarized, from the aspects of composition, digestion, absorption, metabolism, source, structural characteristics, and their health properties. In particular, the relationship between the compositional and structural changes of bioactive lipids and their absorption and metabolism is discussed as well as their effect on health properties. This review provides a comprehensive summary toward health properties of dietary bioactive lipids.
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Affiliation(s)
- Yan Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, People's Republic of China
- College of Horticulture and Landscape Architecture, Northeast Agricultural University, Harbin, Heilongjiang 150030, People's Republic of China
- National-Local Joint Engineering Research Center for Development and Utilization of Small Fruits in Cold Regions, Northeast Agricultural University, Harbin, Heilongjiang 150030, People's Republic of China
| | - Tianyi Zhang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, People's Republic of China
| | - Yan Liang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, People's Republic of China
| | - Lianzhou Jiang
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, People's Republic of China
| | - Xiaonan Sui
- College of Food Science, Northeast Agricultural University, Harbin, Heilongjiang 150030, People's Republic of China
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19
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Szewczyk K, Chojnacka A, Górnicka M. Tocopherols and Tocotrienols-Bioactive Dietary Compounds; What Is Certain, What Is Doubt? Int J Mol Sci 2021; 22:6222. [PMID: 34207571 PMCID: PMC8227182 DOI: 10.3390/ijms22126222] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/02/2021] [Accepted: 06/05/2021] [Indexed: 12/13/2022] Open
Abstract
Tocopherols and tocotrienols are natural compounds of plant origin, available in the nature. They are supplied in various amounts in a diet, mainly from vegetable oils, some oilseeds, and nuts. The main forms in the diet are α- and γ-tocopherol, due to the highest content in food products. Nevertheless, α-tocopherol is the main form of vitamin E with the highest tissue concentration. The α- forms of both tocopherols and tocotrienols are considered as the most metabolically active. Currently, research results indicate also a greater antioxidant potential of tocotrienols than tocopherols. Moreover, the biological role of vitamin E metabolites have received increasing interest. The aim of this review is to update the knowledge of tocopherol and tocotrienol bioactivity, with a particular focus on their bioavailability, distribution, and metabolism determinants in humans. Almost one hundred years after the start of research on α-tocopherol, its biological properties are still under investigation. For several decades, researchers' interest in the biological importance of other forms of vitamin E has also been growing. Some of the functions, for instance the antioxidant functions of α- and γ-tocopherols, have been confirmed in humans, while others, such as the relationship with metabolic disorders, are still under investigation. Some studies, which analyzed the biological role and mechanisms of tocopherols and tocotrienols over the past few years described new and even unexpected cellular and molecular properties that will be the subject of future research.
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Affiliation(s)
- Kacper Szewczyk
- Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-787 Warsaw, Poland
| | - Aleksandra Chojnacka
- Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-787 Warsaw, Poland
| | - Magdalena Górnicka
- Institute of Human Nutrition Sciences, Warsaw University of Life Sciences (SGGW-WULS), 159C Nowoursynowska Street, 02-787 Warsaw, Poland
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20
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Ferdous UT, Yusof ZNB. Medicinal Prospects of Antioxidants From Algal Sources in Cancer Therapy. Front Pharmacol 2021; 12:593116. [PMID: 33746748 PMCID: PMC7973026 DOI: 10.3389/fphar.2021.593116] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Accepted: 01/19/2021] [Indexed: 12/20/2022] Open
Abstract
Though cancer therapeutics can successfully eradicate cancerous cells, the effectiveness of these medications is mostly restricted to several deleterious side effects. Therefore, to alleviate these side effects, antioxidant supplementation is often warranted, reducing reactive species levels and mitigating persistent oxidative damage. Thus, it can impede the growth of cancer cells while protecting the normal cells simultaneously. Moreover, antioxidant supplementation alone or in combination with chemotherapeutics hinders further tumor development, prevents chemoresistance by improving the response to chemotherapy drugs, and enhances cancer patients' quality of life by alleviating side effects. Preclinical and clinical studies have been revealed the efficacy of using phytochemical and dietary antioxidants from different sources in treating chemo and radiation therapy-induced toxicities and enhancing treatment effectiveness. In this context, algae, both micro and macro, can be considered as alternative natural sources of antioxidants. Algae possess antioxidants from diverse groups, which can be exploited in the pharmaceutical industry. Despite having nutritional benefits, investigation and utilization of algal antioxidants are still in their infancy. This review article summarizes the prospective anticancer effect of twenty-three antioxidants from microalgae and their potential mechanism of action in cancer cells, as well as usage in cancer therapy. In addition, antioxidants from seaweeds, especially from edible species, are outlined, as well.
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Affiliation(s)
- Umme Tamanna Ferdous
- Aquatic Animal Health and Therapeutics Laboratory (AquaHealth), Institute of Bioscience, Universiti Putra Malaysia, Selangor, Malaysia
| | - Zetty Norhana Balia Yusof
- Aquatic Animal Health and Therapeutics Laboratory (AquaHealth), Institute of Bioscience, Universiti Putra Malaysia, Selangor, Malaysia
- Faculty of Biotechnology and Biomolecular Sciences, Department of Biochemistry, Universiti Putra Malaysia, Selangor, Malaysia
- Bioprocessing and Biomanufacturing Research Center, Universiti Putra Malaysia, Selangor, Malaysia
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21
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22
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Cuenca-Micó O, Aceves C. Micronutrients and Breast Cancer Progression: A Systematic Review. Nutrients 2020; 12:nu12123613. [PMID: 33255538 PMCID: PMC7759972 DOI: 10.3390/nu12123613] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 11/20/2020] [Accepted: 11/23/2020] [Indexed: 12/11/2022] Open
Abstract
Epidemiological studies on micronutrient consumption have reported protective associations in the incidence and/or progression of various cancer types. Supplementation with some of these micronutrients has been analyzed, showing chemoprotection, low toxicity, antiproliferation, and the ability to modify epigenetic signatures in various cancer models. This review investigates the reported effects of micronutrient intake or supplementation in breast cancer progression. A PubMed search was conducted with the keywords "micronutrients breast cancer progression", and the results were analyzed. The selected micronutrients were vitamins (C, D, and E), folic acid, metals (Cu, Fe, Se, and Zn), fatty acids, polyphenols, and iodine. The majority of in vitro models showed antiproliferative, cell-cycle arrest, and antimetastatic effects for almost all the micronutrients analyzed, but these effects do not reflect animal or human studies. Only one clinical trial with vitamin D and one pilot study with molecular iodine showed favorable overall survival and disease-free interval.
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23
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Chan D, Meister ML, Madhani CR, Elfakhani M, Yount ST, Ji X, Feresin RG, Wanders D, Mo H. Synergistic Impact of Xanthorrhizol and d-δ-Tocotrienol on the Proliferation of Murine B16 Melanoma Cells and Human DU145 Prostate Carcinoma Cells. Nutr Cancer 2020; 73:1746-1757. [PMID: 32811212 DOI: 10.1080/01635581.2020.1807573] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Isoprenoids suppress the mevalonate pathway that provides prenyl groups for the posttranslational modification of growth-regulating proteins. We hypothesize that xanthorrhizol and d-δ-tocotrienol synergistically suppress the growth of murine B16 melanoma and human DU145 prostate carcinoma cells. Xanthorrhizol (0-200 µmol/L; half maximal inhibitory concentration [IC50] = 65 µmol/L) and d-δ-tocotrienol (0-40 µmol/L; IC50 = 20 µmol/L) each induced a concentration-dependent suppression of the proliferation of B16 cells and concurrent cell cycle arrest at the G1 phase. A blend of 16.25 µmol/L xanthorrhizol and 10 µmol/L d-δ-tocotrienol suppressed B16 cell proliferation by 69%, an impact greater than the sum of those induced by xanthorrhizol (15%) and d-δ-tocotrienol (12%) individually. The blend cumulatively reduced the levels of cyclin-dependent kinase four and cyclin D1, key regulators of cell cycle progression at the G1 phase. The expression of RAS and extracellular signal-regulated kinase (ERK1/2) in the proliferation-stimulating RAS-RAF-MEK-ERK pathway was downregulated by the blend. Xanthorrhizol also induced a concentration-dependent suppression of the proliferation of DU145 cells with concomitant morphological changes. Isobologram confirmed the synergistic effect of xanthorrhizol and d-δ-tocotrienol on DU145 cell proliferation with combination index values ranging 0.61-0.94. Novel combinations of isoprenoids with synergistic actions may offer effective approaches in cancer prevention and therapy.
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Affiliation(s)
- Darren Chan
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
| | - Maureen L Meister
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
| | - Chappell R Madhani
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
| | - Manal Elfakhani
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
| | - Sophie T Yount
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Xiangming Ji
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
| | - Rafaela G Feresin
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
| | - Desiree Wanders
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
| | - Huanbiao Mo
- Department of Nutrition, Byrdine F. Lewis College of Nursing and Health Professions, Georgia State University, Atlanta, Georgia, USA
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Constantinou C, Charalambous C, Kanakis D, Kolokotroni O, Constantinou AI. Update on the Anti-Cancer Potency of Tocotrienols and α-Tocopheryl Polyethylene Glycol 1000 Succinate on Leukemic Cell Lines. Nutr Cancer 2020; 73:1302-1308. [PMID: 32698633 DOI: 10.1080/01635581.2020.1797128] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The natural isoforms of vitamin E γ-tocotrienol (γ-ΤΤ) and δ-tocotrienol (δ-ΤΤ) and the synthetic derivative α-tocopheryl polyethylene glycol 1000 succinate (TPGS) have promising anticancer potency in a variety of cancer cell lines and animal models of cancer. Ongoing clinical trials are investigating the anti-tumor effectiveness of TTs in combination with chemotherapeutic agents in patients suffering from breast, colon, non-small cell lung and ovarian cancers. Despite extensive research on different types of cancer, the anticancer potency of TTs and TPGS has not been thoroughly investigated in leukemias. Given the fact that certain types of leukemias have very low survival rates and that patients suffer significantly from the toxic side effects of chemotherapeutic drugs, there is a need to develop novel treatments with increased specificity against cancer cells and reduced toxicity to the patients. The aim of this review is to report current evidence on the anticancer potency of TTs and TPGS on leukemic cells lines and to discuss future studies that could be carried out to investigate the role of these agents in the management of leukemias.
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Affiliation(s)
- Constantina Constantinou
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, Nicosia, Cyprus
| | - Christiana Charalambous
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, Nicosia, Cyprus
| | - Dimitrios Kanakis
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, Nicosia, Cyprus
| | - Ourania Kolokotroni
- Department of Primary Care and Population Health, University of Nicosia Medical School, Nicosia, Cyprus
| | - Andreas I Constantinou
- Department of Basic and Clinical Sciences, University of Nicosia Medical School, Nicosia, Cyprus
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25
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Narayanan D, Ma S, Özcelik D. Targeting the Redox Landscape in Cancer Therapy. Cancers (Basel) 2020; 12:cancers12071706. [PMID: 32605023 PMCID: PMC7407119 DOI: 10.3390/cancers12071706] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 06/22/2020] [Accepted: 06/25/2020] [Indexed: 12/18/2022] Open
Abstract
Reactive oxygen species (ROS) are produced predominantly by the mitochondrial electron transport chain and by NADPH oxidases in peroxisomes and in the endoplasmic reticulum. The antioxidative defense counters overproduction of ROS with detoxifying enzymes and molecular scavengers, for instance, superoxide dismutase and glutathione, in order to restore redox homeostasis. Mutations in the redox landscape can induce carcinogenesis, whereas increased ROS production can perpetuate cancer development. Moreover, cancer cells can increase production of antioxidants, leading to resistance against chemo- or radiotherapy. Research has been developing pharmaceuticals to target the redox landscape in cancer. For instance, inhibition of key players in the redox landscape aims to modulate ROS production in order to prevent tumor development or to sensitize cancer cells in radiotherapy. Besides the redox landscape of a single cell, alternative strategies take aim at the multi-cellular level. Extracellular vesicles, such as exosomes, are crucial for the development of the hypoxic tumor microenvironment, and hence are explored as target and as drug delivery systems in cancer therapy. This review summarizes the current pharmaceutical and experimental interventions of the cancer redox landscape.
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Affiliation(s)
- Dilip Narayanan
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark; (D.N.); (S.M.)
| | - Sana Ma
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark; (D.N.); (S.M.)
| | - Dennis Özcelik
- Department of Drug Design and Pharmacology, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark; (D.N.); (S.M.)
- current address: Chemistry | Biology | Pharmacy Information Center, ETH Zürich, Vladimir-Prelog-Weg 10, 8093 Zürich, Switzerland
- Correspondence:
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Marques Borges GS, Oliveira Ferencs MD, Mello Gomide Loures CD, Abdel-Salam MAL, Gontijo Evangelista FC, Sales CC, Reis da Silva PH, de Oliveira RB, Malachias Â, Yoshida MI, de Souza-Fagundes EM, Paula Sabino AD, Fernandes C, Miranda Ferreira LA. Novel self-nanoemulsifying drug-delivery system enhances antileukemic properties of all-trans retinoic acid. Nanomedicine (Lond) 2020; 15:1471-1486. [DOI: 10.2217/nnm-2020-0061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Aim: All- trans retinoic acid (ATRA) shows erratic oral bioavailability when administered orally against leukemia, which can be solved through its incorporation in self-nanoemulsifying drug-delivery systems (SEDDS). The SEDDS developed contained a hydrophobic ion pair between benzathine (BZT) and ATRA and was enriched with tocotrienols by the input of a palm oil tocotrienol rich fraction (TRF) in its composition. Results: SEDDS-TRF-ATRA-BZT allowed the formation of emulsions with nanometric size that retained ATRA within their core after dispersion. Pharmacokinetic parameters after oral administration of SEDDS-TRF-ATRA-BZT in mice were improved compared with what was seen for an ATRA solution. Moreover, SEDDS-TRF-ATRA-BZT had improved activity against HL-60 cells compared with SEDDS without TRF. Conclusion: SEDDS-TRF-ATRA-BZT is a promising therapeutic choice over ATRA conventional medicine.
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Affiliation(s)
- Gabriel Silva Marques Borges
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Micael de Oliveira Ferencs
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Cristina de Mello Gomide Loures
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Mostafa AL Abdel-Salam
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | | | - Camila Campos Sales
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Pedro Henrique Reis da Silva
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Renata Barbosa de Oliveira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Ângelo Malachias
- Departamento de Física, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Maria Irene Yoshida
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Elaine Maria de Souza-Fagundes
- Departamento de Fisiologia e Biofísica, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Adriano de Paula Sabino
- Departamento de Análises Clínicas e Toxicológicas, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Christian Fernandes
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Lucas Antônio Miranda Ferreira
- Departamento de Produtos Farmacêuticos, Faculdade de Farmácia, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
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Zhang J, Deng Y, Khoo BL. Fasting to enhance Cancer treatment in models: the next steps. J Biomed Sci 2020; 27:58. [PMID: 32370764 PMCID: PMC7201989 DOI: 10.1186/s12929-020-00651-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Accepted: 04/22/2020] [Indexed: 02/06/2023] Open
Abstract
Short-term fasting (STF) is a technique to reduce nutrient intake for a specific period. Since metabolism plays a pivotal role in tumor progression, it can be hypothesized that STF can improve the efficacy of chemotherapy. Recent studies have demonstrated the efficacy of STF in cell and animal tumor models. However, large-scale clinical trials must be conducted to verify the safety and effectiveness of these diets. In this review, we re-examine the concept of how metabolism affects pathophysiological pathways. Next, we provided a comprehensive discussion of the specific mechanisms of STF on tumor progression, derived through studies carried out with tumor models. There are currently at least four active clinical trials on fasting and cancer treatment. Based on these studies, we highlight the potential caveats of fasting in clinical applications, including the onset of metabolic syndrome and other metabolic complications during chemotherapy, with a particular focus on the regulation of the epithelial to mesenchymal pathway and cancer heterogeneity. We further discuss the advantages and disadvantages of the current state-of-art tumor models for assessing the impact of STF on cancer treatment. Finally, we explored upcoming fasting strategies that could complement existing chemotherapy and immunotherapy strategies to enable personalized medicine. Overall, these studies have the potential for breakthroughs in cancer management.
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Affiliation(s)
- Jing Zhang
- Department of Biomedical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong
| | - Yanlin Deng
- Department of Biomedical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong
| | - Bee Luan Khoo
- Department of Biomedical Engineering, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon Tong, Hong Kong.
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Biological Factors, Metals, and Biomaterials Regulating Osteogenesis through Autophagy. Int J Mol Sci 2020; 21:ijms21082789. [PMID: 32316424 PMCID: PMC7215394 DOI: 10.3390/ijms21082789] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 04/10/2020] [Accepted: 04/13/2020] [Indexed: 01/18/2023] Open
Abstract
Bone loss raises great concern in numerous situations, such as ageing and many diseases and in both orthopedic and dentistry fields of application, with an extensive impact on health care. Therefore, it is crucial to understand the mechanisms and the determinants that can regulate osteogenesis and ensure bone balance. Autophagy is a well conserved lysosomal degradation pathway, which is known to be highly active during differentiation and development. This review provides a revision of the literature on all the exogen factors that can modulate osteogenesis through autophagy regulation. Metal ion exposition, mechanical stimuli, and biological factors, including hormones, nutrients, and metabolic conditions, were taken into consideration for their ability to tune osteogenic differentiation through autophagy. In addition, an exhaustive overview of biomaterials, both for orthopedic and dentistry applications, enhancing osteogenesis by modulation of the autophagic process is provided as well. Already investigated conditions regulating bone regeneration via autophagy need to be better understood for finely tailoring innovative therapeutic treatments and designing novel biomaterials.
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29
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Yang CS, Luo P, Zeng Z, Wang H, Malafa M, Suh N. Vitamin E and cancer prevention: Studies with different forms of tocopherols and tocotrienols. Mol Carcinog 2020; 59:365-389. [PMID: 32017273 DOI: 10.1002/mc.23160] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Revised: 01/09/2020] [Accepted: 01/17/2020] [Indexed: 12/13/2022]
Abstract
α-Tocopherol (α-T) is the major form of vitamin E (VE) in animals and has the highest activity in carrying out the essential antioxidant functions of VE. Because of the involvement of oxidative stress in carcinogenesis, the cancer prevention activity of α-T has been studied extensively. Lower VE intake or nutritional status has been shown to be associated with increased cancer risk, and supplementation of α-T to populations with VE insufficiency has shown beneficial effects in lowering the cancer risk in some intervention studies. However, several large intervention studies with α-T conducted in North America have not demonstrated a cancer prevention effect. More recent studies have centered on the γ- and δ-forms of tocopherols and tocotrienols (T3). In comparison with α-T, these forms have much lower systemic bioavailability but have shown stronger cancer-preventive activities in many studies in animal models and cell lines. γ-T3 and δ-T3 generally have even higher activities than γ-T and δ-T. In this article, we review recent results from human and laboratory studies on the cancer-preventive activities of different forms of tocopherols and tocotrienols, at nutritional and pharmacological levels. We aim to elucidate the possible mechanisms of the preventive actions and discuss the possible application of the available information for human cancer prevention by different VE forms.
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Affiliation(s)
- Chung S Yang
- Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey
| | - Philip Luo
- Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey
| | - Zishuo Zeng
- Department of Biochemistry and Microbiology, School of Environmental and Biological Sciences, Rutgers, The State University of New Jersey, New Brunswick, New Jersey
| | - Hong Wang
- Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey
| | - Mokenge Malafa
- Department of Gastrointestinal Oncology, Moffitt Cancer Center, Tampa, Florida
| | - Nanjoo Suh
- Department of Chemical Biology, Ernest Mario School of Pharmacy, Rutgers, The State University of New Jersey, Piscataway, New Jersey
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