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Shukal DK, Malaviya PB, Sharma T. Role of the AMPK signalling pathway in the aetiopathogenesis of ocular diseases. Hum Exp Toxicol 2022; 41:9603271211063165. [PMID: 35196887 DOI: 10.1177/09603271211063165] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND AMP-activated protein kinase (AMPK) plays a precise role as a master regulator of cellular energy homeostasis. AMPK is activated in response to the signalling cues that exhaust cellular ATP levels such as hypoxia, ischaemia, glucose depletion and heat shock. As a central regulator of both lipid and glucose metabolism, AMPK is considered to be a potential therapeutic target for the treatment of various diseases, including eye disorders. OBJECTIVE To review all the shreds of evidence concerning the role of the AMPK signalling pathway in the pathogenesis of ocular diseases. METHOD Scientific data search and review of available information evaluating the influence of AMPK signalling on ocular diseases. RESULTS Review highlights the significance of AMPK signalling in the aetiopathogenesis of ocular diseases, including cataract, glaucoma, diabetic retinopathy, retinoblastoma, age-related macular degeneration, corneal diseases, etc. The review also provides the information on the AMPK-associated pathways with reference to ocular disease, which includes mitochondrial biogenesis, autophagy and regulation of inflammatory response. CONCLUSION The study concludes the role of AMPK in ocular diseases. There is growing interest in the therapeutic utilization of the AMPK pathway for ocular disease treatment. Furthermore, inhibition of AMPK signalling might represent more pertinent strategy than AMPK activation for ocular disease treatment. Such information will guide the development of more effective AMPK modulators for ocular diseases.[Formula: see text].
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Affiliation(s)
- Dhaval K Shukal
- 534329Iladevi Cataract and IOL Research Centre, Memnagar, Ahmedabad, Gujarat, India.,76793Manipal Academy of Higher Education, Mangalore, Karnataka, India
| | - Pooja B Malaviya
- 534329Iladevi Cataract and IOL Research Centre, Memnagar, Ahmedabad, Gujarat, India.,76793Manipal Academy of Higher Education, Mangalore, Karnataka, India
| | - Tusha Sharma
- 534329Iladevi Cataract and IOL Research Centre, Memnagar, Ahmedabad, Gujarat, India
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2
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Kaarniranta K, Uusitalo H, Blasiak J, Felszeghy S, Kannan R, Kauppinen A, Salminen A, Sinha D, Ferrington D. Mechanisms of mitochondrial dysfunction and their impact on age-related macular degeneration. Prog Retin Eye Res 2020; 79:100858. [PMID: 32298788 PMCID: PMC7650008 DOI: 10.1016/j.preteyeres.2020.100858] [Citation(s) in RCA: 246] [Impact Index Per Article: 61.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 03/18/2020] [Accepted: 03/19/2020] [Indexed: 12/21/2022]
Abstract
Oxidative stress-induced damage to the retinal pigment epithelium (RPE) is considered to be a key factor in age-related macular degeneration (AMD) pathology. RPE cells are constantly exposed to oxidative stress that may lead to the accumulation of damaged cellular proteins, lipids, nucleic acids, and cellular organelles, including mitochondria. The ubiquitin-proteasome and the lysosomal/autophagy pathways are the two major proteolytic systems to remove damaged proteins and organelles. There is increasing evidence that proteostasis is disturbed in RPE as evidenced by lysosomal lipofuscin and extracellular drusen accumulation in AMD. Nuclear factor-erythroid 2-related factor-2 (NFE2L2) and peroxisome proliferator-activated receptor gamma coactivator-1 alpha (PGC-1α) are master transcription factors in the regulation of antioxidant enzymes, clearance systems, and biogenesis of mitochondria. The precise cause of RPE degeneration and the onset and progression of AMD are not fully understood. However, mitochondria dysfunction, increased reactive oxygen species (ROS) production, and mitochondrial DNA (mtDNA) damage are observed together with increased protein aggregation and inflammation in AMD. In contrast, functional mitochondria prevent RPE cells damage and suppress inflammation. Here, we will discuss the role of mitochondria in RPE degeneration and AMD pathology focused on mtDNA damage and repair, autophagy/mitophagy signaling, and regulation of inflammation. Mitochondria are putative therapeutic targets to prevent or treat AMD.
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Affiliation(s)
- Kai Kaarniranta
- Department of Ophthalmology, Institute of Clinical Medicine, University of Eastern Finland and Kuopio University Hospital, P.O. Box 1627, FI-70211, Kuopio, Finland.
| | - Hannu Uusitalo
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland and Tays Eye Centre, Tampere University Hospital, P.O.Box 2000, 33521 Tampere, Finland
| | - Janusz Blasiak
- Department of Molecular Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 90-236, Lodz, Poland
| | - Szabolcs Felszeghy
- Department of Biomedicine, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - Ram Kannan
- The Stephen J. Ryan Initiative for Macular Research (RIMR), Doheny Eye Institute, 1355 San Pablo St, Los Angeles, CA, 90033, USA
| | - Anu Kauppinen
- School of Pharmacy, Faculty of Health Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - Antero Salminen
- Department of Neurology, Institute of Clinical Medicine, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland
| | - Debasish Sinha
- Glia Research Laboratory, Department of Ophthalmology, University of Pittsburgh, 4401 Penn Avenue, Pittsburgh, PA, PA 15224, USA; Wilmer Eye Institute, The Johns Hopkins University School of Medicine, Room M035 Robert and Clarice Smith Bldg, 400 N Broadway, Baltimore, MD, 21287, USA
| | - Deborah Ferrington
- Department of Ophthalmology and Visual Neurosciences, 2001 6th St SE, University of Minnesota, Minneapolis, MN 55455, USA
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Adjuvant Therapies in Diabetic Retinopathy as an Early Approach to Delay Its Progression: The Importance of Oxidative Stress and Inflammation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:3096470. [PMID: 32256949 PMCID: PMC7086452 DOI: 10.1155/2020/3096470] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 01/16/2020] [Accepted: 02/08/2020] [Indexed: 02/06/2023]
Abstract
Diabetes mellitus (DM) is a progressive disease induced by a sustained state of chronic hyperglycemia that can lead to several complications targeting highly metabolic cells. Diabetic retinopathy (DR) is a multifactorial microvascular complication of DM, with high prevalence, which can ultimately lead to visual impairment. The genesis of DR involves a complex variety of pathways such as oxidative stress, inflammation, apoptosis, neurodegeneration, angiogenesis, lipid peroxidation, and endoplasmic reticulum (ER) stress, each possessing potential therapeutic biomarkers. A specific treatment has yet to be developed for early stages of DR since no management is given other than glycemic control until the proliferative stage develops, offering a poor visual prognosis to the patient. In this narrative review article, we evaluate different dietary regimens, such as the Mediterranean diet, Dietary Pattern to Stop Hypertension (DASH) and their functional foods, and low-calorie diets (LCDs). Nutraceuticals have also been assessed in DR on account of their antioxidant, anti-inflammatory, and antiangiogenic properties, which may have an important impact on the physiopathology of DR. These nutraceuticals have shown to lower reactive oxygen species (ROS), important inflammatory factors, cytokines, and endothelial damage biomarkers either as monotherapies or combined therapies or concomitantly with established diabetes management or nonconventional adjuvant drugs like topical nonsteroidal anti-inflammatory drugs (NSAIDs).
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4
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Cecilia OM, José Alberto CG, José NP, Ernesto Germán CM, Ana Karen LC, Luis Miguel RP, Ricardo Raúl RR, Adolfo Daniel RC. Oxidative Stress as the Main Target in Diabetic Retinopathy Pathophysiology. J Diabetes Res 2019; 2019:8562408. [PMID: 31511825 PMCID: PMC6710812 DOI: 10.1155/2019/8562408] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 06/17/2019] [Accepted: 07/15/2019] [Indexed: 12/12/2022] Open
Abstract
Diabetic retinopathy (DR) is one of the most common complications of diabetes mellitus (DM) causing vision impairment even at young ages. There are numerous mechanisms involved in its development such as inflammation and cellular degeneration leading to endothelial and neural damage. These mechanisms are interlinked thus worsening the diabetic retinopathy outcome. In this review, we propose oxidative stress as the focus point of this complication onset.
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Affiliation(s)
- Olvera-Montaño Cecilia
- Institute of Clinical and Experimental Therapeutics, Department of Physiology, Health Sciences University Center, University of Guadalajara, Mexico
| | - Castellanos-González José Alberto
- Department of Ophthalmology, Specialties Hospital of the National Occidental Medical Center, Mexican Institute of Social Security, Mexico
| | - Navarro-Partida José
- Tecnológico de Monterrey Institute, School of Medicine and Health Sciences, Campus Guadalajara, Mexico
| | - Cardona-Muñoz Ernesto Germán
- Institute of Clinical and Experimental Therapeutics, Department of Physiology, Health Sciences University Center, University of Guadalajara, Mexico
| | - López-Contreras Ana Karen
- Institute of Clinical and Experimental Therapeutics, Department of Physiology, Health Sciences University Center, University of Guadalajara, Mexico
| | | | - Robles-Rivera Ricardo Raúl
- Institute of Clinical and Experimental Therapeutics, Department of Physiology, Health Sciences University Center, University of Guadalajara, Mexico
| | - Rodríguez-Carrizalez Adolfo Daniel
- Institute of Clinical and Experimental Therapeutics, Department of Physiology, Health Sciences University Center, University of Guadalajara, Mexico
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5
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Cai W, Yu D, Fan J, Liang X, Jin H, Liu C, Zhu M, Shen T, Zhang R, Hu W, Wei Q, Yu J. Quercetin inhibits transforming growth factor β1-induced epithelial-mesenchymal transition in human retinal pigment epithelial cells via the Smad pathway. DRUG DESIGN DEVELOPMENT AND THERAPY 2018; 12:4149-4161. [PMID: 30584279 PMCID: PMC6287523 DOI: 10.2147/dddt.s185618] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Purpose The purpose of this study was to evaluate the effect and mechanism of quercetin on TGF-β1-induced retinal pigment epithelial (RPE) cell proliferation, migration, and extracellular matrix secretion. Materials and methods Cell counting kit-8, transwell, wound-healing assays, and ELISA were used to assess viability, migration, and collagen I secretion, respectively. Western blot analysis and qPCR were employed to detect mRNA and protein expression levels, respectively. Results Quercetin suppressed TGF-β1-induced cell proliferation, migration, and collagen I secretion. The results also showed that mRNA and protein expression of epithelial–mesenchymal transition (EMT)-related markers such as alpha-smooth muscle actin and N-cadherin was downregulated by quercetin in TGF-β1-treated RPE cells; conversely, quercetin upregulated the expression of E-cadherin and tight junction protein 1 (ZO-1). In addition, quercetin could inhibit mRNA and protein expression of matrix metalloproteinases. Quercetin may reverse the progression of EMT via the Smad2/3 pathway. Conclusion Our results demonstrate the protective effects of quercetin on RPE cell EMT, revealing a potential therapeutic agent for proliferative vitreoretinopathy treatment.
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Affiliation(s)
- Wenting Cai
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China,
| | - Donghui Yu
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China,
| | - Jiaqi Fan
- Department of Ophthalmology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Xiuwei Liang
- Department of Ophthalmology, Nanchang University, Nanchang, People's Republic of China
| | - Huizi Jin
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China,
| | - Chang Liu
- Department of Ophthalmology, Nanjing Medical University, Nanjing, People's Republic of China
| | - Meijiang Zhu
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China,
| | - Tianyi Shen
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China,
| | - Ruiling Zhang
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China,
| | - Weinan Hu
- Department of Ophthalmology, Anhui University of Science and Technology, Huainan, People's Republic of China
| | - Qingquan Wei
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China,
| | - Jing Yu
- Department of Ophthalmology, Shanghai Tenth People's Hospital Affiliated with Tongji University, Shanghai, People's Republic of China, .,Department of Ophthalmology, Ninghai First Hospital, Zhejiang, People's Republic of China,
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Gong X, Draper CS, Allison GS, Marisiddaiah R, Rubin LP. Effects of the Macular Carotenoid Lutein in Human Retinal Pigment Epithelial Cells. Antioxidants (Basel) 2017; 6:antiox6040100. [PMID: 29207534 PMCID: PMC5745510 DOI: 10.3390/antiox6040100] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Revised: 11/30/2017] [Accepted: 12/01/2017] [Indexed: 12/16/2022] Open
Abstract
Retinal pigment epithelial (RPE) cells are central to retinal health and homoeostasis. Oxidative stress-induced damage to the RPE occurs as part of the pathogenesis of age-related macular degeneration and neovascular retinopathies (e.g., retinopathy of prematurity, diabetic retinopathy). The xanthophyll carotenoids, lutein and zeaxanthin, are selectively taken up by the RPE, preferentially accumulated in the human macula, and transferred to photoreceptors. These macular xanthophylls protect the macula (and the broader retina) via their antioxidant and photo-protective activities. This study was designed to investigate effects of various carotenoids (β-carotene, lycopene, and lutein) on RPE cells subjected to either hypoxia or oxidative stress, in order to determine if there is effect specificity for macular pigment carotenoids. Using human RPE-derived ARPE-19 cells as an in vitro model, we exposed RPE cells to various concentrations of the specific carotenoids, followed by either graded hypoxia or oxidative stress using tert-butyl hydroperoxide (tBHP). The results indicate that lutein and lycopene, but not β-carotene, inhibit cell growth in undifferentiated ARPE-19 cells. Moreover, cell viability was decreased under hypoxic conditions. Pre-incubation of ARPE-19 cells with lutein or lycopene protected against tBHP-induced cell loss and cell co-exposure of lutein or lycopene with tBHP essentially neutralized tBHP-dependent cell death at tBHP concentrations up to 500 μM. Our findings indicate that lutein and lycopene inhibit the growth of human RPE cells and protect the RPE against oxidative stress-induced cell loss. These findings contribute to the understanding of the protective mechanisms attributable to retinal xanthophylls in eye health and retinopathies.
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Affiliation(s)
- Xiaoming Gong
- Department of Pediatrics, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA.
| | - Christian S Draper
- Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA.
| | - Geoffrey S Allison
- Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA.
| | | | - Lewis P Rubin
- Department of Pediatrics, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA.
- Department of Biomedical Sciences, Paul L. Foster School of Medicine, Texas Tech University Health Sciences Center, El Paso, TX 79905, USA.
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7
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Jovancevic N, Khalfaoui S, Weinrich M, Weidinger D, Simon A, Kalbe B, Kernt M, Kampik A, Gisselmann G, Gelis L, Hatt H. Odorant Receptor 51E2 Agonist β-ionone Regulates RPE Cell Migration and Proliferation. Front Physiol 2017; 8:888. [PMID: 29249973 PMCID: PMC5714887 DOI: 10.3389/fphys.2017.00888] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Accepted: 10/19/2017] [Indexed: 01/09/2023] Open
Abstract
The odorant receptor 51E2 (OR51E2), which is well-characterized in prostate cancer cells and epidermal pigment cells, was identified for the first time as the most highly expressed OR in human fetal and adult retinal pigment epithelial (RPE) cells. Immunofluorescence staining and Western blot analysis revealed OR51E2 localization throughout the cytosol and in the plasma membrane. Additionally, immunohistochemical staining of diverse layers of the eye showed that the expression of OR51E2 is restricted to the pigment cells of the RPE and choroid. The results of Ca2+-imaging experiments demonstrate that activation of OR51E2 triggers a Ca2+ dependent signal pathway in RPE cells. Downstream signaling of OR51E2 involves the activation of adenylyl cyclase, ERK1/2 and AKT. The activity of these protein kinases likely accounts for the demonstrated increase in the migration and proliferation of RPE cells upon stimulation with the OR51E2 ligand β-ionone. These findings suggest that OR51E2 is involved in the regulation of RPE cell growth. Thus, OR51E2 represents a potential target for the treatment of proliferative disorders.
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Affiliation(s)
| | | | | | | | - Annika Simon
- Cell Physiology, Ruhr-University Bochum, Bochum, Germany
| | - Benjamin Kalbe
- Cell Physiology, Ruhr-University Bochum, Bochum, Germany
| | - Marcus Kernt
- Ophthalmology, Ludwig Maximilian University of Munich, Munich, Germany
| | - Anselm Kampik
- Ophthalmology, Ludwig Maximilian University of Munich, Munich, Germany
| | | | - Lian Gelis
- Cell Physiology, Ruhr-University Bochum, Bochum, Germany
| | - Hanns Hatt
- Cell Physiology, Ruhr-University Bochum, Bochum, Germany
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8
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Hrvolová B, Martínez-Huélamo M, Colmán-Martínez M, Hurtado-Barroso S, Lamuela-Raventós RM, Kalina J. Development of an Advanced HPLC-MS/MS Method for the Determination of Carotenoids and Fat-Soluble Vitamins in Human Plasma. Int J Mol Sci 2016; 17:ijms17101719. [PMID: 27754400 PMCID: PMC5085750 DOI: 10.3390/ijms17101719] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 09/26/2016] [Accepted: 10/09/2016] [Indexed: 12/29/2022] Open
Abstract
The concentration of carotenoids and fat-soluble vitamins in human plasma may play a significant role in numerous chronic diseases such as age-related macular degeneration and some types of cancer. Although these compounds are of utmost interest for human health, methods for their simultaneous determination are scarce. A new high pressure liquid chromatography (HPLC)-tandem mass spectrometry (MS/MS) method for the quantification of selected carotenoids and fat-soluble vitamins in human plasma was developed, validated, and then applied in a pilot dietary intervention study with healthy volunteers. In 50 min, 16 analytes were separated with an excellent resolution and suitable MS signal intensity. The proposed HPLC-MS/MS method led to improvements in the limits of detection (LOD) and quantification (LOQ) for all analyzed compounds compared to the most often used HPLC-DAD methods, in some cases being more than 100-fold lower. LOD values were between 0.001 and 0.422 µg/mL and LOQ values ranged from 0.003 to 1.406 µg/mL, according to the analyte. The accuracy, precision, and stability met with the acceptance criteria of the AOAC (Association of Official Analytical Chemists) International. According to these results, the described HPLC-MS/MS method is adequately sensitive, repeatable and suitable for the large-scale analysis of compounds in biological fluids.
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Affiliation(s)
- Barbora Hrvolová
- Faculty of Science, University of Ostrava, Ostrava 70103, Czech Republic.
| | - Miriam Martínez-Huélamo
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
- CIBER CB06/03 Fisiopatología de la Obesidad y la Nutrición, CIBEROBN, Madrid 28049, Spain.
| | - Mariel Colmán-Martínez
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
| | - Sara Hurtado-Barroso
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
- CIBER CB06/03 Fisiopatología de la Obesidad y la Nutrición, CIBEROBN, Madrid 28049, Spain.
| | - Rosa Maria Lamuela-Raventós
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
- CIBER CB06/03 Fisiopatología de la Obesidad y la Nutrición, CIBEROBN, Madrid 28049, Spain.
| | - Jiří Kalina
- Faculty of Science, University of Ostrava, Ostrava 70103, Czech Republic.
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9
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Development of an Advanced HPLC–MS/MS Method for the Determination of Carotenoids and Fat-Soluble Vitamins in Human Plasma. Int J Mol Sci 2016. [DOI: 10.3390/ijms17101719 10.1145/2566486.2567997] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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10
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Hrvolová B, Martínez-Huélamo M, Colmán-Martínez M, Hurtado-Barroso S, Lamuela-Raventós RM, Kalina J. Development of an Advanced HPLC-MS/MS Method for the Determination of Carotenoids and Fat-Soluble Vitamins in Human Plasma. Int J Mol Sci 2016. [PMID: 27754400 PMCID: PMC5085750 DOI: 10.3390/ijms17101719+10.1145/2566486.2567997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
The concentration of carotenoids and fat-soluble vitamins in human plasma may play a significant role in numerous chronic diseases such as age-related macular degeneration and some types of cancer. Although these compounds are of utmost interest for human health, methods for their simultaneous determination are scarce. A new high pressure liquid chromatography (HPLC)-tandem mass spectrometry (MS/MS) method for the quantification of selected carotenoids and fat-soluble vitamins in human plasma was developed, validated, and then applied in a pilot dietary intervention study with healthy volunteers. In 50 min, 16 analytes were separated with an excellent resolution and suitable MS signal intensity. The proposed HPLC-MS/MS method led to improvements in the limits of detection (LOD) and quantification (LOQ) for all analyzed compounds compared to the most often used HPLC-DAD methods, in some cases being more than 100-fold lower. LOD values were between 0.001 and 0.422 µg/mL and LOQ values ranged from 0.003 to 1.406 µg/mL, according to the analyte. The accuracy, precision, and stability met with the acceptance criteria of the AOAC (Association of Official Analytical Chemists) International. According to these results, the described HPLC-MS/MS method is adequately sensitive, repeatable and suitable for the large-scale analysis of compounds in biological fluids.
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Affiliation(s)
- Barbora Hrvolová
- Faculty of Science, University of Ostrava, Ostrava 70103, Czech Republic.
| | - Miriam Martínez-Huélamo
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
- CIBER CB06/03 Fisiopatología de la Obesidad y la Nutrición, CIBEROBN, Madrid 28049, Spain.
| | - Mariel Colmán-Martínez
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
| | - Sara Hurtado-Barroso
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
- CIBER CB06/03 Fisiopatología de la Obesidad y la Nutrición, CIBEROBN, Madrid 28049, Spain.
| | - Rosa Maria Lamuela-Raventós
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA, School of Pharmacy and Food Science, University of Barcelona, Barcelona 08028, Spain.
- CIBER CB06/03 Fisiopatología de la Obesidad y la Nutrición, CIBEROBN, Madrid 28049, Spain.
| | - Jiří Kalina
- Faculty of Science, University of Ostrava, Ostrava 70103, Czech Republic.
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11
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Kim JK, Park SU. Current results on the potential health benefits of lutein. EXCLI JOURNAL 2016; 15:308-14. [PMID: 27298616 PMCID: PMC4897658 DOI: 10.17179/excli2016-278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Accepted: 04/23/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Jae Kwang Kim
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, 406-772, Korea
| | - Sang Un Park
- Department of Crop Science, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 305-764, Korea,*To whom correspondence should be addressed: Sang Un Park, Department of Crop Science, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon, 305-764, Korea; Phone: +82-42-821-5730, Fax: +82-42-822-2631, E-mail:
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12
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Sun M, Lu X, Hao L, Wu T, Zhao H, Wang C. The influences of purple sweet potato anthocyanin on the growth characteristics of human retinal pigment epithelial cells. Food Nutr Res 2015; 59:27830. [PMID: 26070791 PMCID: PMC4464420 DOI: 10.3402/fnr.v59.27830] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 04/13/2015] [Accepted: 04/17/2015] [Indexed: 01/05/2023] Open
Abstract
Background Anthocyanins have been proven to be beneficial to the eyes. However, information is scarce about the effects of purple sweet potato (Ipomoea batatas, L.) anthocyanin (PSPA), a class of anthocyanins derived from purple sweet potato roots, on visual health. Objective The aim of this study was to investigate whether PSPA could have influences on the growth characteristics (cellular morphology, survival, and proliferation) of human retinal pigment epithelial (RPE) cells, which perform essential functions for the visual process. Methods The RPE cell line D407 was used in the present study. The cytotoxicity of PSPA was assessed by MTT assay. Then, cellular morphology, viability, cell cycle, Ki67expression, and PI3K/MAPK activation of RPE cells treated with PSPA were determined. Results PSPA exhibited dose-dependent promotion of RPE cell proliferation at concentrations ranging from 10 to 1,000 µg/ml. RPE cells treated with PSPA demonstrated a predominantly polygonal morphology in a mosaic arrangement, and colony-like cells displayed numerous short apical microvilli and typical ultrastructure. PSPA treatment also resulted in a better platform growing status, statistically higher viability, an increase in the S-phase, and more Ki67+ cells. However, neither pAkt nor pERK were detected in either group. Conclusions We found that PSPA maintained high cell viability, boosted DNA synthesis, and preserved a high percentage of continuously cycling cells to promote cell survival and division without changing cell morphology. This paper lays the foundation for further research about the damage-protective activities of PSPA on RPE cells or human vision.
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Affiliation(s)
- Min Sun
- Key Laboratory of Food Nutrition and Safety of the Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Xiaoling Lu
- Key Laboratory of Food Nutrition and Safety of the Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, China;
| | - Lei Hao
- Key Laboratory of Food Nutrition and Safety of the Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Tao Wu
- Key Laboratory of Food Nutrition and Safety of the Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Huanjiao Zhao
- Key Laboratory of Food Nutrition and Safety of the Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Chao Wang
- Key Laboratory of Food Nutrition and Safety of the Ministry of Education, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, China
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