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Shah MA, Faheem HI, Hamid A, Yousaf R, Haris M, Saleem U, Shah GM, Alhasani RH, Althobaiti NA, Alsharif I, Silva AS. The entrancing role of dietary polyphenols against the most frequent aging-associated diseases. Med Res Rev 2024; 44:235-274. [PMID: 37486109 DOI: 10.1002/med.21985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 01/27/2023] [Accepted: 07/06/2023] [Indexed: 07/25/2023]
Abstract
Aging, a fundamental physiological process influenced by innumerable biological and genetic pathways, is an important driving factor for several aging-associated disorders like diabetes mellitus, osteoporosis, cancer, and neurodegenerative diseases including Alzheimer's and Parkinson's diseases. In the modern era, the several mechanisms associated with aging have been deeply studied. Treatment and therapeutics for age-related diseases have also made considerable advances; however, for the effective and long-lasting treatment, nutritional therapy particularly including dietary polyphenols from the natural origin are endorsed. These dietary polyphenols (e.g., apigenin, baicalin, curcumin, epigallocatechin gallate, kaempferol, quercetin, resveratrol, and theaflavin), and many other phytochemicals target certain molecular, genetic mechanisms. The most common pathways of age-associated diseases are mitogen-activated protein kinase, reactive oxygen species production, nuclear factor kappa light chain enhancer of activated B cells signaling pathways, metal chelation, c-Jun N-terminal kinase, and inflammation. Polyphenols slow down the course of aging and help in combatting age-linked disorders. This exemplified in the form of clinical trials on specific dietary polyphenols in various aging-associated diseases. With this context in mind, this review reveals the new insights to slow down the aging process, and consequently reduce some classic diseases associated with age such as aforementioned, and targeting age-associated diseases by the activities of dietary polyphenols of natural origin.
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Affiliation(s)
| | - Hafiza Ishmal Faheem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Ayesha Hamid
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Rimsha Yousaf
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Muhammad Haris
- Faculty of Pharmaceutical Sciences, Universiteit Gent, Ghent, Belgium
| | - Uzma Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Ghulam Mujtaba Shah
- Department of Botany, Faculty of Health and Biological Sciences, Hazara University, Mansehra, Pakistan
| | - Reem H Alhasani
- Department of Biology, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Norah A Althobaiti
- Department of Biology, College of Science and Humanities, Shaqra University, Al-Quwaiiyah, Saudi Arabia
| | - Ifat Alsharif
- Department of Biology, Jamoum University College, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Ana Sanches Silva
- National Institute for Agrarian and Veterinary Research (INIAV), I.P., Rua dos Lágidos, Lugar da Madalena, Vairão, Vila do Conde, Portugal
- University of Coimbra, Faculty of Pharmacy, Polo III, Azinhaga de St Comba, Coimbra, Portugal
- Centre for Animal Science Studies (CECA), ICETA, University of Porto, Porto, Portugal
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Marcucci G, Domazetovic V, Nediani C, Ruzzolini J, Favre C, Brandi ML. Oxidative Stress and Natural Antioxidants in Osteoporosis: Novel Preventive and Therapeutic Approaches. Antioxidants (Basel) 2023; 12:antiox12020373. [PMID: 36829932 PMCID: PMC9952369 DOI: 10.3390/antiox12020373] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/27/2023] [Accepted: 01/30/2023] [Indexed: 02/09/2023] Open
Abstract
This review reports in detail the cellular and molecular mechanisms which regulate the bone remodeling process in relation to oxidative stress (OS), inflammatory factors, and estrogen deficiency. OS is considered an important pathogenic factor of osteoporosis, inducing osteocyte apoptosis and varying levels of specific factors, such as receptor activator κB ligand (RANKL), sclerostin, and, according to recent evidence, fibroblast growth factor 23, with consequent impairment of bone remodeling and high bone resorption. Bone loss increases the risk of fragility fractures, and the most commonly used treatments are antiresorptive drugs, followed by anabolic drugs or those with a double effect. In addition, recent data show that natural antioxidants contained in the diet are efficient in preventing and reducing the negative effects of OS on bone remodeling and osteocytes through the involvement of sirtuin type 1 enzyme. Indeed, osteocytes and some of their molecular factors are considered potential biological targets on which antioxidants can act to prevent and reduce bone loss, as well as to promote bone anabolic and regenerative processes by restoring physiological bone remodeling. Several data suggest including antioxidants in novel therapeutic approaches to develop better management strategies for the prevention and treatment of osteoporosis and OS-related bone diseases. In particular, anthocyanins, as well as resveratrol, lycopene, oleuropein, some vitamins, and thiol antioxidants, could have protective and therapeutic anti-osteoporotic effects.
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Affiliation(s)
- Gemma Marcucci
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50134 Florence, Italy
| | - Vladana Domazetovic
- Department of Paediatric Haematology-Oncology, Meyer Children’s Hospital IRCCS, 50139 Florence, Italy
| | - Chiara Nediani
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50134 Florence, Italy
- Correspondence:
| | - Jessica Ruzzolini
- Department of Experimental and Clinical Biomedical Sciences, University of Florence, 50134 Florence, Italy
| | - Claudio Favre
- Department of Paediatric Haematology-Oncology, Meyer Children’s Hospital IRCCS, 50139 Florence, Italy
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Kumar NB, Hogue S, Pow-Sang J, Poch M, Manley BJ, Li R, Dhillon J, Yu A, Byrd DA. Effects of Green Tea Catechins on Prostate Cancer Chemoprevention: The Role of the Gut Microbiome. Cancers (Basel) 2022; 14:3988. [PMID: 36010981 PMCID: PMC9406482 DOI: 10.3390/cancers14163988] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/15/2022] [Accepted: 08/16/2022] [Indexed: 01/22/2023] Open
Abstract
Accumulating evidence supports green tea catechins (GTCs) in chemoprevention for prostate cancer (PCa), a leading cause of cancer morbidity and mortality among men. GTCs include (-)-epigallocatechin-3-gallate, which may modulate the molecular pathways implicated in prostate carcinogenesis. Prior studies of GTCs suggested that they are bioavailable, safe, and effective for modulating clinical and biological markers implicated in prostate carcinogenesis. GTCs may be of particular benefit to those with low-grade PCas typically managed with careful monitoring via active surveillance (AS). Though AS is recommended, it has limitations including potential under-grading, variations in eligibility, and anxiety reported by men while on AS. Secondary chemoprevention of low-grade PCas using GTCs may help address these limitations. When administrated orally, the gut microbiome enzymatically transforms GTC structure, altering its bioavailability, bioactivity, and toxicity. In addition to xenobiotic metabolism, the gut microbiome has multiple other physiological effects potentially involved in PCa progression, including regulating inflammation, hormones, and other known/unknown pathways. Therefore, it is important to consider not only the independent roles of GTCs and the gut microbiome in the context of PCa chemoprevention, but how gut microbes may relate to individual responses to GTCs, which, in turn, can enhance clinical decision-making.
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Affiliation(s)
- Nagi B. Kumar
- Cancer Epidemiology Program, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
- Genitourinary Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Stephanie Hogue
- Cancer Epidemiology Program, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Julio Pow-Sang
- Genitourinary Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Michael Poch
- Genitourinary Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Brandon J. Manley
- Genitourinary Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Roger Li
- Genitourinary Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Jasreman Dhillon
- Anatomic Pathology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Alice Yu
- Genitourinary Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
| | - Doratha A. Byrd
- Cancer Epidemiology Program, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
- Gastrointestinal Oncology, Moffitt Cancer Center and Research Institute, Tampa, FL 33612, USA
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Zhang H, Shen X, Fei Z, Fan X, Ma L, Wang H, Tian C, Zhang B, Luo R, Wang Y, Huang S. Ag-Incorporated Polydopamine/Tannic Acid Coating on Titanium With Enhanced Cytocompatible and Antibacterial Properties. Front Bioeng Biotechnol 2022; 10:877738. [PMID: 35392410 PMCID: PMC8980918 DOI: 10.3389/fbioe.2022.877738] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 02/28/2022] [Indexed: 11/26/2022] Open
Abstract
Titanium (Ti) and its alloys are the most commonly used materials for bone implants. However, implant failure often happens due to bacterial infection. Developing antibacterial coatings on Ti implants is an effective strategy. Dopamine and tannic acid were cross-linked to form coating on Ti through Michael addition and Schiff base reaction. In addition, the Ag ions were grafted on the coating by the redox reaction of phenolic hydroxyl groups. Thus, an Ag-incorporated polydopamine/tannic acid coating was prepared on Ti substrate. SEM, EDS, water contact angle, FTIR, and XRD results demonstrated that the coating was formed on Ti successfully. The antibacterial activity of the coating against Gram-negative E. coli was examined, and the cytotoxicity of the coating was investigated by mouse fibroblast cells. The improvement of hydrophilicity, good cytocompatibility, and antibacterial effectiveness indicates that the coating has potential to surface modification of Ti implants.
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Affiliation(s)
- Hao Zhang
- School of Vanadium and Titanium, School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
| | - Xiaolong Shen
- School of Vanadium and Titanium, School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
| | - Zhikui Fei
- School of Vanadium and Titanium, School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
| | - Xingping Fan
- School of Vanadium and Titanium, School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
| | - Lan Ma
- School of Vanadium and Titanium, School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
- *Correspondence: Lan Ma, ; Yunbing Wang,
| | - Haibo Wang
- School of Vanadium and Titanium, School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
| | - Congxue Tian
- School of Vanadium and Titanium, School of Biological and Chemical Engineering, Panzhihua University, Panzhihua, China
| | - Bo Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu, China
- *Correspondence: Lan Ma, ; Yunbing Wang,
| | - Shengtian Huang
- Material Corrosion and Protection Key Laboratory of Sichuan Province, Sichuan University of Science and Engineering, Zigong, China
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Bag S, Mondal A, Majumder A, Banik A. Tea and its phytochemicals: Hidden health benefits & modulation of signaling cascade by phytochemicals. Food Chem 2022; 371:131098. [PMID: 34634647 DOI: 10.1016/j.foodchem.2021.131098] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/20/2021] [Accepted: 09/06/2021] [Indexed: 12/16/2022]
Abstract
Tea, one of the most widely consumed beverages, is prepared from the leaves of the Camellia sinensis. The promising health recompenses of tea have been linked to its different phenolic components, which have diverse biological characteristics. Tea also contains several flavonoids, alkaloids, phenolic, theanine, etc., which are associated with anti-oxidant characteristics and a variety of health benefits. It can also lower the pervasiveness of neurological disorders as well as prevent different types of cancer, metabolic syndromes, cardiovascular diseases, urinary stone, obesity, type 2 diabetes. Keeping in mind that tea helps to improve health and prevents many diseases, its consumption has been regarded as a "health-promoting habit" and current medical investigators have established the scientific basis for this concept over time. The current review provides new updated information and perspectives on the tea phytochemicals and their overall health benefits based on molecular processes, experimental studies, and clinical trials.
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Affiliation(s)
- Sagar Bag
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India
| | - Anupam Mondal
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India
| | - Anusha Majumder
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India
| | - Avishek Banik
- Laboratory of Microbial Interaction, School of Biotechnology, Presidency University, Kolkata, West Bengal, India.
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6
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Relationship between Regular Green Tea Intake and Osteoporosis in Korean Postmenopausal Women: A Nationwide Study. Nutrients 2021; 14:nu14010087. [PMID: 35010962 PMCID: PMC8746552 DOI: 10.3390/nu14010087] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 12/22/2021] [Accepted: 12/24/2021] [Indexed: 11/21/2022] Open
Abstract
Mixed results have been reported regarding whether habitual tea intake affects bone health. This study investigated the relationship between green tea intake and bone mineral density (BMD) in postmenopausal Korean women. We used data from the Korean National Health and Nutrition Examination Surveys from 2008 to 2011 and divided the participants into three groups according to their frequency of green tea intake over the past 12 months. BMD of the lumbar spine, total femur, and femur neck was measured using dual-energy X-ray absorptiometry. The odds ratios (ORs) and 95% confidence intervals (CIs) of osteoporosis and osteopenia according to green tea consumption were analyzed. Participants who did not consume green tea or consumed less than one cup per day were more likely to have osteopenia of the lumbar spine or femur than those who consumed it once to three times a day (OR 1.81 and 1.85, 95% CI, 1.20–2.71; and 1.23–2.77). Moreover, ORs for osteoporosis were 1.91 (95% CI 1.13–3.23) and 1.82 (95% CI 1.09–3.05) in non-consumers and consumers who drank less than one cup per day, respectively, compared with the reference group. These results support that green tea consumption may have benefits on bone health.
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Raja IS, Preeth DR, Vedhanayagam M, Hyon SH, Lim D, Kim B, Rajalakshmi S, Han DW. Polyphenols-loaded electrospun nanofibers in bone tissue engineering and regeneration. Biomater Res 2021; 25:29. [PMID: 34563260 PMCID: PMC8466400 DOI: 10.1186/s40824-021-00229-3] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 08/30/2021] [Indexed: 01/27/2023] Open
Abstract
Bone is a complex structure with unique cellular and molecular process in its formation. Bone tissue regeneration is a well-organized and routine process at the cellular and molecular level in humans through the activation of biochemical pathways and protein expression. Though many forms of biomaterials have been applied for bone tissue regeneration, electrospun nanofibrous scaffolds have attracted more attention among researchers with their physicochemical properties such as tensile strength, porosity, and biocompatibility. When drugs, antibiotics, or functional nanoparticles are taken as additives to the nanofiber, its efficacy towards the application gets increased. Polyphenol is a versatile green/phytochemical small molecule playing a vital role in several biomedical applications, including bone tissue regeneration. When polyphenols are incorporated as additives to the nanofibrous scaffold, their combined properties enhance cell attachment, proliferation, and differentiation in bone tissue defect. The present review describes bone biology encompassing the composition and function of bone tissue cells and exemplifies the series of biological processes associated with bone tissue regeneration. We have highlighted the molecular mechanism of bioactive polyphenols involved in bone tissue regeneration and specified the advantage of electrospun nanofiber as a wound healing scaffold. As the polyphenols contribute to wound healing with their antioxidant and antimicrobial properties, we have compiled a list of polyphenols studied, thus far, for bone tissue regeneration along with their in vitro and in vivo experimental biological results and salient observations. Finally, we have elaborated on the importance of polyphenol-loaded electrospun nanofiber in bone tissue regeneration and discussed the possible challenges and future directions in this field.
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Affiliation(s)
| | - Desingh Raj Preeth
- Chemical Biology and Nanobiotechnology Laboratory, AU-KBC Research Centre, Anna University, MIT Campus, Chromepet, Chennai, 600 044, India
| | | | | | - Dohyung Lim
- Department of Mechanical Engineering, Sejong University, Seoul, 05006, South Korea
| | - Bongju Kim
- Dental Life Science Research Institute / Innovation Research & Support Center for Dental Science, Seoul National University Dental Hospital, Seoul, 03080, South Korea.
| | - Subramaniyam Rajalakshmi
- Chemical Biology and Nanobiotechnology Laboratory, AU-KBC Research Centre, Anna University, MIT Campus, Chromepet, Chennai, 600 044, India.
| | - Dong-Wook Han
- BIO-IT Fusion Technology Research Institute, Pusan National University, Busan, 46241, South Korea. .,Department of Cogno-Mechatronics Engineering, College of Nanoscience & Nanotechnology, Pusan National University, Busan, 46241, South Korea.
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Tudorachi NB, Totu EE, Fifere A, Ardeleanu V, Mocanu V, Mircea C, Isildak I, Smilkov K, Cărăuşu EM. The Implication of Reactive Oxygen Species and Antioxidants in Knee Osteoarthritis. Antioxidants (Basel) 2021; 10:985. [PMID: 34205576 PMCID: PMC8233827 DOI: 10.3390/antiox10060985] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/11/2021] [Accepted: 06/17/2021] [Indexed: 12/16/2022] Open
Abstract
Knee osteoarthritis (KOA) is a chronic multifactorial pathology and a current and essential challenge for public health, with a negative impact on the geriatric patient's quality of life. The pathophysiology is not fully known; therefore, no specific treatment has been found to date. The increase in the number of newly diagnosed cases of KOA is worrying, and it is essential to reduce the risk factors and detect those with a protective role in this context. The destructive effects of free radicals consist of the acceleration of chondrosenescence and apoptosis. Among other risk factors, the influence of redox imbalance on the homeostasis of the osteoarticular system is highlighted. The evolution of KOA can be correlated with oxidative stress markers or antioxidant status. These factors reveal the importance of maintaining a redox balance for the joints and the whole body's health, emphasizing the importance of an individualized therapeutic approach based on antioxidant effects. This paper aims to present an updated picture of the implications of reactive oxygen species (ROS) in KOA from pathophysiological and biochemical perspectives, focusing on antioxidant systems that could establish the premises for appropriate treatment to restore the redox balance and improve the condition of patients with KOA.
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Affiliation(s)
- Nicoleta Bianca Tudorachi
- Faculty of Medicine, “Ovidius” University of Constanța, Mamaia Boulevard 124, 900527 Constanța, Romania; (N.B.T.); (V.A.)
| | - Eugenia Eftimie Totu
- Faculty of Applied Chemistry and Material Science, University Politehnica of Bucharest, 1–5 Polizu Street, 011061 Bucharest, Romania
| | - Adrian Fifere
- Centre of Advanced Research in Bionanoconjugates and Biopolymers Department, “Petru Poni” Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania
| | - Valeriu Ardeleanu
- Faculty of Medicine, “Ovidius” University of Constanța, Mamaia Boulevard 124, 900527 Constanța, Romania; (N.B.T.); (V.A.)
| | - Veronica Mocanu
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, 700115 Iasi, Romania; (V.M.); (C.M.)
| | - Cornelia Mircea
- Faculty of Pharmacy, Grigore T. Popa University of Medicine and Pharmacy Iasi, 700115 Iasi, Romania; (V.M.); (C.M.)
| | - Ibrahim Isildak
- Faculty of Chemistry-Metallurgy, Department of Bioengineering, Yildiz Technical University, Istanbul 34220, Turkey;
| | - Katarina Smilkov
- Faculty of Medical Sciences, Division of Pharmacy, Department of Applied Pharmacy, Goce Delcev University, Krste Misirkov Street, No. 10-A, 2000 Stip, North Macedonia;
| | - Elena Mihaela Cărăuşu
- Faculty of Dental Medicine, “Grigore T. Popa” University of Medicine and Pharmacy, “Nicolae Leon” Building, 13 Grigore Ghica Street, 700259 Iasi, Romania;
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Morabito C, Guarnieri S, Cucina A, Bizzarri M, Mariggiò MA. Antioxidant Strategy to Prevent Simulated Microgravity-Induced Effects on Bone Osteoblasts. Int J Mol Sci 2020; 21:ijms21103638. [PMID: 32455731 PMCID: PMC7279347 DOI: 10.3390/ijms21103638] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/18/2020] [Accepted: 05/19/2020] [Indexed: 01/01/2023] Open
Abstract
The effects induced by microgravity on human body functions have been widely described, in particular those on skeletal muscle and bone tissues. This study aims to implement information on the possible countermeasures necessary to neutralize the oxidative imbalance induced by microgravity on osteoblastic cells. Using the model of murine MC3T3-E1 osteoblast cells, cellular morphology, proliferation, and metabolism were investigated during exposure to simulated microgravity on a random positioning machine in the absence or presence of an antioxidant—the 6-hydroxy-2,5,7,8-tetramethylchroman-2-carboxylic acid (Trolox). Our results confirm that simulated microgravity-induced morphological and metabolic alterations characterized by increased levels of reactive oxygen species and a slowdown of the proliferative rate. Interestingly, the use of Trolox inhibited the simulated microgravity-induced effects. Indeed, the antioxidant-neutralizing oxidants preserved cell cytoskeletal architecture and restored cell proliferation rate and metabolism. The use of appropriate antioxidant countermeasures could prevent the modifications and damage induced by microgravity on osteoblastic cells and consequently on bone homeostasis.
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Affiliation(s)
- Caterina Morabito
- Department of Neuroscience, Imaging and clinical Sciences—Center for Advanced Studies and Technology (CAST), University G. d’Annunzio of Chieti-Pescara, 06100 Chieti, Italy; (C.M.); (S.G.)
| | - Simone Guarnieri
- Department of Neuroscience, Imaging and clinical Sciences—Center for Advanced Studies and Technology (CAST), University G. d’Annunzio of Chieti-Pescara, 06100 Chieti, Italy; (C.M.); (S.G.)
| | - Alessandra Cucina
- Department of Surgery “Pietro Valdoni”, Sapienza University of Rome, 00161 Rome, Italy;
- Azienda Policlinico Umberto I, 00161 Rome, Italy
| | - Mariano Bizzarri
- Department of Experimental Medicine, Sapienza University of Rome, Systems Biology Group Lab, 00161 Rome, Italy;
| | - Maria A. Mariggiò
- Department of Neuroscience, Imaging and clinical Sciences—Center for Advanced Studies and Technology (CAST), University G. d’Annunzio of Chieti-Pescara, 06100 Chieti, Italy; (C.M.); (S.G.)
- Correspondence: ; Tel.: +39-0871-541399
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Muszyńska M, Ambrożewicz E, Gęgotek A, Grynkiewicz G, Skrzydlewska E. Protective Effects of Vitamin K Compounds on the Proteomic Profile of Osteoblasts under Oxidative Stress Conditions. Molecules 2020; 25:molecules25081990. [PMID: 32340397 PMCID: PMC7222007 DOI: 10.3390/molecules25081990] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 04/21/2020] [Accepted: 04/22/2020] [Indexed: 12/21/2022] Open
Abstract
Oxidative stress, which accompanies the pathogenesis of many bone diseases, contributes to the reduction of osteoblast activity, resulting in the inhibition of differentiation. This study aimed to assess the effect of vitamins K1 and K2 (MK4 and MK7) on the proteomic profile of human osteoblasts cell line under oxidative conditions induced by hydrogen peroxide (H2O2). The analysis was performed using QExactiveHF mass spectrometer with a nanoelectrospray ionization source. The osteoblast protein exposed to oxidative stress and vitamin K was compared with the proteome of cells exposed only to oxidative stress. Our proteomic analysis identified 1234 proteins changed after 5 days, 967 after 15 days, and 1214 after 20 days of culture. We observed the most frequent changes in the expression of proteins with catalytic activity or protein/DNA binding properties (45% and 40%, respectively). Significant changes were also observed in proteins with transcription/translation regulator activity (2–6%), regulators of molecular functions (5–6%), signal transducers (1–4%), transporters (4–6%), and structural molecules (3–5%). Our results clearly show that vitamins K protect cells from H2O2-induced changes in protein expression, primarily through their effects on transcriptional regulators and transporter proteins. As a result, vitamins K can support the formation, remodeling, and mineralization of bone tissue.
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Affiliation(s)
- Marta Muszyńska
- Department of Analytical Chemistry, Medical University of Bialystok, 15-222 Bialystok, Poland; (M.M.); (E.A.); (A.G.)
| | - Ewa Ambrożewicz
- Department of Analytical Chemistry, Medical University of Bialystok, 15-222 Bialystok, Poland; (M.M.); (E.A.); (A.G.)
| | - Agnieszka Gęgotek
- Department of Analytical Chemistry, Medical University of Bialystok, 15-222 Bialystok, Poland; (M.M.); (E.A.); (A.G.)
| | - Grzegorz Grynkiewicz
- Łukasiewicz Research Network, Pharmaceutical Research Institute, 01-793 Warsaw, Poland;
| | - Elżbieta Skrzydlewska
- Department of Analytical Chemistry, Medical University of Bialystok, 15-222 Bialystok, Poland; (M.M.); (E.A.); (A.G.)
- Correspondence: ; Tel.: +48-85-748-5708
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Fintini D, Cianfarani S, Cofini M, Andreoletti A, Ubertini GM, Cappa M, Manco M. The Bones of Children With Obesity. Front Endocrinol (Lausanne) 2020; 11:200. [PMID: 32390939 PMCID: PMC7193990 DOI: 10.3389/fendo.2020.00200] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Accepted: 03/20/2020] [Indexed: 12/11/2022] Open
Abstract
Excess adiposity in childhood may affect bone development, ultimately leading to bone frailty. Previous reports showing an increased rate of extremity fractures in children with obesity support this fear. On the other hand, there is also evidence suggesting that bone mineral content is higher in obese children than in normal weight peers. Both adipocytes and osteoblasts derive from multipotent mesenchymal stem cells (MSCs) and obesity drives the differentiation of MSCs toward adipocytes at the expense of osteoblast differentiation. Furthermore, adipocytes in bone marrow microenvironment release a number of pro-inflammatory and immunomodulatory molecules that up-regulate formation and activation of osteoclasts, thus favoring bone frailty. On the other hand, body adiposity represents a mechanical load, which is beneficial for bone accrual. In this frame, bone quality, and structure result from the balance of inflammatory and mechanical stimuli. Diet, physical activity and the hormonal milieu at puberty play a pivotal role on this balance. In this review, we will address the question whether the bone of obese children and adolescents is unhealthy in comparison with normal-weight peers and discuss mechanisms underlying the differences in bone quality and structure. We anticipate that many biases and confounders affect the clinical studies conducted so far and preclude us from achieving robust conclusions. Sample-size, lack of adequate controls, heterogeneity of study designs are the major drawbacks of the existing reports. Due to the increased body size of children with obesity, dual energy absorptiometry might overestimate bone mineral density in these individuals. Magnetic resonance imaging, peripheral quantitative CT (pQCT) scanning and high-resolution pQCT are promising techniques for the accurate estimate of bone mineral content in obese children. Moreover, no longitudinal study on the risk of incident osteoporosis in early adulthood of children and adolescents with obesity is available. Finally, we will address emerging dietary issues (i.e., the likely benefits for the bone health of polyunsaturated fatty acids and polyphenols) since an healthy diet (i.e., the Mediterranean diet) with balanced intake of certain nutrients associated with physical activity remain the cornerstones for achieving an adequate bone accrual in young individuals regardless of their adiposity degree.
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Affiliation(s)
- Danilo Fintini
- Endocrinology Unit, Pediatric University Department, Bambino Gesù Children's Hospital, Rome, Italy
- *Correspondence: Danilo Fintini
| | - Stefano Cianfarani
- Diabetes and Growth Disorders Unit, Dipartimento Pediatrico Universitario Ospedaliero Bambino Gesù Children's Hospital, Tor Vergata University, Rome, Italy
- Department of Women's and Children's Health, Karolinska Institute and University Hospital, Stockholm, Sweden
| | - Marta Cofini
- Pediatric Clinic, Department of Surgical and Biomedical Sciences, University of Perugia, Perugia, Italy
| | - Angela Andreoletti
- Pediatric Resident, Pediatric Clinic, University of Brescia, Brescia, Italy
| | - Grazia Maria Ubertini
- Endocrinology Unit, Pediatric University Department, Bambino Gesù Children's Hospital, Rome, Italy
| | - Marco Cappa
- Endocrinology Unit, Pediatric University Department, Bambino Gesù Children's Hospital, Rome, Italy
| | - Melania Manco
- Research Area for Multifactorial Diseases, Bambino Gesù Children's Hospital, Rome, Italy
- Melania Manco
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12
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Zhang H, Shen X, Wang J, Huang N, Luo R, Zhang B, Wang Y. Multistep Instead of One-Step: A Versatile and Multifunctional Coating Platform for Biocompatible Corrosion Protection. ACS Biomater Sci Eng 2019; 5:6541-6556. [PMID: 33417806 DOI: 10.1021/acsbiomaterials.9b01459] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Magnesium alloys have potential application in cardiovascular stents and orthopedic implants. However, the rapid corrosion rate of magnesium limits their clinical application. In order to improve the corrosion resistance and biocompatibility of the substrate, a protective coating is constructed by alternate immersing of MgZnMn alloy in epigallocatechin gallate (EGCG) and polyethyleneimine (PEI) solution. The conventional method is immersing magnesium alloy into a conversion solution by simple one-step immersion. In the present work, the EGCG/PEI coating is prepared by a novel alternate immersion method. The number of alternate immersions resulted in a different density of phenolic hydroxyl groups and amino groups on the surface. The corrosion resistance and bonding strength of the coating also varied with alternating immersion times. As the corrosion resistance and density of the functional groups varies, endothelial cells (ECs), smooth muscle cells (SMCs), osteoblasts, and macrophages showed a different growth state on EGCG/PEI coatings. In summary, this EGCG/PEI coating addressed the rapid corrosion rate of the magnesium alloy and can adjust its function by controlling the number of alternate immersions. The EGCG/PEI coating exhibited multifunctions: improved corrosion resistance, good compatibility with ECs and osteoblasts, and inhibition of SMC growth and inflammation, and the effective groups on the coating make it possible for further modification by grafting biomolecules. This is an effective method for preparing a multifunctional platform on biomedical magnesium alloys.
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Affiliation(s)
- Hao Zhang
- Panzhihua University, Panzhihua 617000, Sichuan, China
| | - Xiaolong Shen
- Panzhihua University, Panzhihua 617000, Sichuan, China
| | - Jin Wang
- School of Material Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
| | - Nan Huang
- School of Material Science and Engineering, Southwest Jiaotong University, Chengdu 610031, Sichuan, China
| | - Rifang Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, Sichuan, China
| | - Bo Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, Sichuan, China
| | - Yunbing Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, Sichuan, China
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Balera Brito VG, Chaves-Neto AH, Landim de Barros T, Penha Oliveira SH. Soluble yerba mate (Ilex Paraguariensis) extract enhances in vitro osteoblastic differentiation of bone marrow-derived mesenchymal stromal cells. JOURNAL OF ETHNOPHARMACOLOGY 2019; 244:112131. [PMID: 31377259 DOI: 10.1016/j.jep.2019.112131] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Yerba mate (Ilex paraguariensis) consumption has been associated with beneficial effects on bone health. AIM OF THE STUDY The purpose of this study was to evaluate the mechanism by which soluble yerba mate (SYM) stimulates osteoblast differentiation of bone marrow-derived mesenchymal stromal cells (BM-MSCs). MATERIALS AND METHODS BM-MSCs from male Wistar rats were induced towards osteoblastic differentiation with different concentrations of SYM (10, 20, and 50 μg/mL). Osteoblastic differentiation was evaluated by measuring proliferation rates, alkaline phosphatase activity, MMP-2 activity, mineralization, and gene expression of Runx2, Osterix, β-catenin (Catnb), collagen type I (Col1a1), osteopontin (Opn), osteocalcin (Ocn), bone sialoprotein (Bsp), bone morphogenetic protein-2 (Bmp2), osteoprotegerin (Opg), and Rankl. We also analyzed cytokine production and MAP kinase pathways. RESULTS SYM (10 μg/mL) did not show a cytotoxic effect and induced a slight increase in ALP activity; however, a great increase in mineralization was observed. SYM was also able to reduce TNF-α and IL-10 production; increase the expression of transcription factors Runx2, Osterix, and Catnb; and increase matrix proteins Opn, Bsp, Ocn, and Bmp2. We also observed a decrease in intracellular signaling of ERK, JNK, and p38 MAPK, which seemed to be related to the SYM response. CONCLUSIONS Together, these results help to explain the promoting effect on osteoblast differentiation produced by a low SYM concentration. However, a higher SYM concentration presented deleterious effects, including cytotoxicity, decreased ALP activity, increased cytokine production, decreased bone marker gene expression, increased MAPK signaling, and significant mineralization reduction. In conclusion, our results suggest a concentration-specific direct stimulatory effect of SYM on osteoblastic differentiation in vitro.
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Affiliation(s)
- Victor Gustavo Balera Brito
- Programa Multicêntrico de Pós-Graduaçãoem Ciências Fisiológicas, SBFis/UNESP, Brazil; Laboratory of Pharmacology, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil; Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil.
| | - Antonio Hernandes Chaves-Neto
- Programa Multicêntrico de Pós-Graduaçãoem Ciências Fisiológicas, SBFis/UNESP, Brazil; Laboratory of Biochemistry, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil; Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Thamine Landim de Barros
- Programa Multicêntrico de Pós-Graduaçãoem Ciências Fisiológicas, SBFis/UNESP, Brazil; Laboratory of Pharmacology, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil; Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
| | - Sandra Helena Penha Oliveira
- Programa Multicêntrico de Pós-Graduaçãoem Ciências Fisiológicas, SBFis/UNESP, Brazil; Laboratory of Pharmacology, Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil; Department of Basic Sciences, São Paulo State University (UNESP), School of Dentistry, Araçatuba, SP, Brazil
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Safari F, Rabieepor M, Jamalomidi F, Baghaeifar Z, Khodaei L. Evaluation of Anti-cancer and Pro-apoptotic Activities of Iranian Green Tea Extract Against A549,PC3, and MCF-7 Cancer Cell Lines. INTERNATIONAL JOURNAL OF BASIC SCIENCE IN MEDICINE 2019. [DOI: 10.15171/ijbsm.2019.21] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Introduction: Green tea contains active polyphenols including catechins. The goal of the current study was to evaluate anti-cancer effects of Iranian green tea extract (IGTE) on 3 human cancer cell lines including A549, PC3, and MCF-7. Methods: First, Camellia sinensis was obtained from Lahijan, a city in the north of Iran and then IGTE was prepared. Next, catechins of IGTE were determined using high-performance liquid chromatography (HPLC). Finally, the cell viability of different cancer cells was evaluated by treatment with IGTE at concentration between 100 and 1000 µg/mL for 72 hours using MTT assay. Cell death of treated cancer cells was assessed by DAPI staining and RT-PCR method. Results: Our results demonstrated the potential anti-tumor activity of IGTE on MCF-7 cells (IC50= 400 µM), A549 cells (IC50= 500 µM), and PC3 cells (IC50= 600 µM), respectively. Chromatin damages within the nucleus of the treated cancer cells were shown. In addition, we found that IGTE induced apoptosis by up-regulation of Bax (a pro-apoptotic protein) and down-regulation of Bcl2 (an anti-apoptotic protein). Conclusion: Herein, we showed that IGTE is a potent natural product with anti-tumor activity on breast, lung, and prostate cancer cells. The efficacy of current therapies against cancer is limited by a range of adverse effects, toxicity, and drug resistance; therefore, new therapeutic strategies and more effective agents, particularly with natural origin, are desired and green tea may be a potent candidate in the field of cancer therapy
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Affiliation(s)
- Fatemeh Safari
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | | | - Fatemeh Jamalomidi
- Department of Biology, Faculty of Science, University of Guilan, Rasht, Iran
| | - Zahra Baghaeifar
- Department of Biology, Payame Noor University (PNU), Tehran, Iran
| | - Leila Khodaei
- Department of Agriculture, Payame Noor University (PNU), Tehran, Iran
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15
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Maiti S, Nazmeen A, Medda N, Patra R, Ghosh TK. Flavonoids green tea against oxidant stress and inflammation with related human diseases. CLINICAL NUTRITION EXPERIMENTAL 2019. [DOI: 10.1016/j.yclnex.2018.12.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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16
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Nicolin V, De Tommasi N, Nori SL, Costantinides F, Berton F, Di Lenarda R. Modulatory Effects of Plant Polyphenols on Bone Remodeling: A Prospective View From the Bench to Bedside. Front Endocrinol (Lausanne) 2019; 10:494. [PMID: 31396157 PMCID: PMC6663995 DOI: 10.3389/fendo.2019.00494] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Accepted: 07/08/2019] [Indexed: 12/13/2022] Open
Abstract
During the past, a more comprehensive knowledge of mechanisms implicated in bone resorption processes has driven researchers to develop a compound library of many small molecules that specifically interfere with the genesis of osteoclast precursors cells. Natural compounds that suppress osteoclast commitment may have therapeutic value in treating pathologies associated with bone resorption like osteoporosis, rheumatoid arthritis, bone metastasis, and periodontal disease. The present review is focused on the current knowledge on the polyphenols derived from plants that could be efficacious in suppressing osteoclast differentiation and bone resorption.
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Affiliation(s)
- Vanessa Nicolin
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
- *Correspondence: Vanessa Nicolin
| | | | | | | | - Federico Berton
- School of Dental Sciences, University of Trieste, Trieste, Italy
| | - Roberto Di Lenarda
- Clinical Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, Italy
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Liang Q, Lv M, Zhang X, Hu J, Wu Y, Huang Y, Wang X, Sheng J. Effect of Black Tea Extract and Thearubigins on Osteoporosis in Rats and Osteoclast Formation in vitro. Front Physiol 2018; 9:1225. [PMID: 30233402 PMCID: PMC6129951 DOI: 10.3389/fphys.2018.01225] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 08/14/2018] [Indexed: 01/06/2023] Open
Abstract
Background: Osteoporosis is a major health problem that is closely related to substantial morbidity, mortality and decline in life quality for the aging population. Although previous studies and epidemiological evidence have demonstrated an association between black tea consumption and the prevention of bone loss, the underlying mechanism remains unclear. So, the effect of black tea extract (BTE) and thearubigins (TRs) on osteoporosis in rats and osteoclast formation in vitro were investigated. Methods:In vivo, ovariectomized (OVX) rats were used to establish osteoporosis models. To validate the model and study the effects of BTE and TRs on osteoporosis, the female Wistar rats were divided into a sham-operated group and five OVX groups including model, Xian-Ling-Gu-Bao (XLGB) (as a positive control), BTE, TRs low-dose, and TRs high-dose group. The rats in the four treatment groups were given the corresponding test sample for 12 weeks. Then, the body weight, femur indices, and serum biomarkers were examined and analyzed. In vitro, RAW264.7 murine macrophages were used as model of osteoclast formation. The effects of BTE and TRs on osteoclasts formation and the specific genes and protein levels of osteoclasts were determined. Results: Although there was no significant effect on the OVX-induced body weight gain by BTE or TRs, the levels of maximum bending force, cortical bone thickness and biomarker of bone resorption (acid phosphatase) can be significantly ameliorated by BTE or TRs in OVX rats. Furthermore, both of BTE and TRs can inhibit the osteoclastogenesis and diminish the expression levels of the related genes and proteins.
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Affiliation(s)
- Qingqing Liang
- Key Laboratory of Pu-er Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
- Tea Research Center of Yunnan, Kunming, China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Ming Lv
- Key Laboratory of Pu-er Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
- Tea Research Center of Yunnan, Kunming, China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Xiaojuan Zhang
- Key Laboratory of Pu-er Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
- Tea Research Center of Yunnan, Kunming, China
- College of Food Science and Technology, Yunnan Agricultural University, Kunming, China
| | - Jun Hu
- College of Science, Yunnan Agricultural University, Kunming, China
| | - Ying Wu
- College of Science, Yunnan Agricultural University, Kunming, China
| | - Yewei Huang
- Key Laboratory of Pu-er Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
- Tea Research Center of Yunnan, Kunming, China
- College of Science, Yunnan Agricultural University, Kunming, China
- *Correspondence: Yewei Huang, Xuanjun Wang, Jun Sheng,
| | - Xuanjun Wang
- Key Laboratory of Pu-er Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
- Tea Research Center of Yunnan, Kunming, China
- College of Science, Yunnan Agricultural University, Kunming, China
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Kunming, China
- *Correspondence: Yewei Huang, Xuanjun Wang, Jun Sheng,
| | - Jun Sheng
- Key Laboratory of Pu-er Tea Science, Ministry of Education, Yunnan Agricultural University, Kunming, China
- Tea Research Center of Yunnan, Kunming, China
- College of Science, Yunnan Agricultural University, Kunming, China
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Kunming, China
- *Correspondence: Yewei Huang, Xuanjun Wang, Jun Sheng,
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Cazzola M, Ferraris S, Boschetto F, Rondinella A, Marin E, Zhu W, Pezzotti G, Vernè E, Spriano S. Green Tea Polyphenols Coupled with a Bioactive Titanium Alloy Surface: In Vitro Characterization of Osteoinductive Behavior through a KUSA A1 Cell Study. Int J Mol Sci 2018; 19:E2255. [PMID: 30071658 PMCID: PMC6121542 DOI: 10.3390/ijms19082255] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 07/24/2018] [Accepted: 07/29/2018] [Indexed: 01/08/2023] Open
Abstract
A chemically-treated titanium alloy (Ti6Al4V) surface, able to induce hydroxyapatite precipitation from body fluids (inorganic mineralization activity), was functionalized with a polyphenolic extract from green tea (tea polyphenols, TPH). Considering that green tea polyphenols have stimulating effects on bone forming cells (biological mineralization), the aim was to test their osteoinductive behavior due to co-operation of inorganic and biological mineralization on mesenchymal stem cells KUSA A1. The functionalized surfaces were characterized by using the Folin⁻Ciocalteu method and X-ray photoelectron spectroscopy to confirm the successful outcome of the functionalization process. Two cell cultures of mesenchymal stem cells, KUSA A1 were performed, with or without osteoinductive factors. The cells and surfaces were characterized for monitoring cell viability and hydroxyapatite production: Fourier Transform Infrared Spectroscopy and Raman spectroscopy analyses showed deposition of hydroxyapatite and collagen due to the cell activity, highlighting differentiation of KUSA A1 into osteoblasts. A higher production of extracellular matrix was highlighted on the functionalized samples by laser microscope and the fluorescence images showed higher viability of cells and greater presence of osteocalcin in these samples. These results highlight the ability of polyphenols to improve cell differentiation and to stimulate biological mineralization, showing that surface functionalization of metal implants could be a promising way to improve osteointegrability.
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Affiliation(s)
- Martina Cazzola
- Department of Applied Science and Technology, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.
| | - Sara Ferraris
- Department of Applied Science and Technology, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.
| | - Francesco Boschetto
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8126, Japan.
- Department of immunology, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Alfredo Rondinella
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8126, Japan.
| | - Elia Marin
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8126, Japan.
- Department of Dental Medicine, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan.
| | - Wenliang Zhu
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8126, Japan.
| | - Giuseppe Pezzotti
- Ceramic Physics Laboratory, Kyoto Institute of Technology, Sakyo-ku, Matsugasaki, Kyoto 606-8126, Japan.
- Department of Molecular Cell Physiology, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kamigyo-ku, Kyoto 602-8566, Japan.
- The Center for Advanced Medical Engineering and Informatics, Osaka University, Yamadaoka, Suita, Osaka 565-0871, Japan.
- Department of Orthopedic Surgery, Tokyo Medical University, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo 160-0023, Japan.
| | - Enrica Vernè
- Department of Applied Science and Technology, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.
| | - Silvia Spriano
- Department of Applied Science and Technology, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.
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Xu H, Yin D, Liu T, Chen F, Chen Y, Wang X, Sheng J. Tea polysaccharide inhibits RANKL-induced osteoclastogenesis in RAW264.7 cells and ameliorates ovariectomy-induced osteoporosis in rats. Biomed Pharmacother 2018; 102:539-548. [DOI: 10.1016/j.biopha.2018.03.125] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 03/20/2018] [Accepted: 03/20/2018] [Indexed: 01/29/2023] Open
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20
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The Impact of Oxidative Stress on the Bone System in Response to the Space Special Environment. Int J Mol Sci 2017; 18:ijms18102132. [PMID: 29023398 PMCID: PMC5666814 DOI: 10.3390/ijms18102132] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2017] [Revised: 09/28/2017] [Accepted: 10/09/2017] [Indexed: 12/25/2022] Open
Abstract
The space special environment mainly includes microgravity, radiation, vacuum and extreme temperature, which seriously threatens an astronaut’s health. Bone loss is one of the most significant alterations in mammalians after long-duration habitation in space. In this review, we summarize the crucial roles of major factors—namely radiation and microgravity—in space in oxidative stress generation in living organisms, and the inhibitory effect of oxidative stress on bone formation. We discussed the possible mechanisms of oxidative stress-induced skeletal involution, and listed some countermeasures that have therapeutic potentials for bone loss via oxidative stress antagonism. Future research for better understanding the oxidative stress caused by space environment and the development of countermeasures against oxidative damage accordingly may facilitate human beings to live more safely in space and explore deeper into the universe.
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Liu T, Ding S, Yin D, Cuan X, Xie C, Xu H, Wang X, Sheng J. Pu-erh Tea Extract Ameliorates Ovariectomy-Induced Osteoporosis in Rats and Suppresses Osteoclastogenesis In Vitro. Front Pharmacol 2017; 8:324. [PMID: 28620304 PMCID: PMC5450042 DOI: 10.3389/fphar.2017.00324] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2017] [Accepted: 05/15/2017] [Indexed: 01/19/2023] Open
Abstract
Background and Objective: Tea drinking is associated with positive effects on bone health and may protect against osteoporosis, especially in elderly women. Pu-erh tea has many beneficial effects on human health; however, whether Pu-erh tea has anti-osteoporotic potential remains unclear. Thus, we investigated the effects of Pu-erh tea extract (PTE) on ovariectomy-induced osteoporosis in rats and on osteoclastogenesis in vitro. Methods: Female Wistar rats were divided into six groups: the sham, model, and Xian-Ling-Gu-Bao capsule (XLGB) groups, and the low-, medium-, and high-dose PTE groups. Ovariectomized (OVX) rats were used as an animal model of osteoporosis. The animals were intragastrically administered distilled water, XLGB, or different concentrations of PTE for 13 weeks. Body weight, blood biochemical indicators, relative organ coefficients, femoral bone mineral density (BMD), bone biomechanical properties, and bone microarchitecture were examined and analyzed. Additionally, the in vitro effects of PTE on osteoclastic activities were investigated using the RAW 264.7 cell line as an osteoclast differentiation model. The effects of PTE on osteoclast differentiation and the expression of osteoclast-specific genes and proteins were determined. Results: PTE reduced OVX-induced body weight gain after 6 weeks of treatment, and the high-dose exerted a significant effect. High-dose PTE significantly ameliorated OVX-induced estradiol (E2) deficiency. PTE treatment maintained calcium and phosphorus homeostasis and improved other blood biochemical parameters to various degrees. In addition, PTE treatment improved organ coefficients of the femur, uterus, and vagina and improved femoral BMD and bone biomechanical properties. PTE treatment strikingly ameliorated bone microarchitecture. Moreover, in the in vitro studies, osteoclast differentiation using the differentiation cell model was significantly inhibited by PTE without cytotoxic effects. Additionally, PTE efficaciously suppressed the expression of key osteoclast-specific genes and proteins. Conclusion: PTE can ameliorate ovariectomy-induced osteoporosis in rats and suppress osteoclastogenesis in vitro.
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Affiliation(s)
- Titi Liu
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,College of Food Science and Technology, Yunnan Agricultural UniversityKunming, China
| | - Shihua Ding
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,College of Food Science and Technology, Yunnan Agricultural UniversityKunming, China
| | - Dan Yin
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,College of Food Science and Technology, Yunnan Agricultural UniversityKunming, China
| | - Xiangdan Cuan
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,College of Food Science and Technology, Yunnan Agricultural UniversityKunming, China
| | - Chuanqi Xie
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,College of Food Science and Technology, Yunnan Agricultural UniversityKunming, China
| | - Huanhuan Xu
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,College of Food Science and Technology, Yunnan Agricultural UniversityKunming, China
| | - Xuanjun Wang
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,College of Longrun Pu-erh Tea, Yunnan Agricultural UniversityKunming, China.,State Key Laboratory for Conservation and Utilization of Bio-Resources in YunnanKunming, China
| | - Jun Sheng
- Key Laboratory of Pu-erh Tea Science, Ministry of Education, Yunnan Agricultural UniversityKunming, China.,Tea Research Center of YunnanKunming, China.,State Key Laboratory for Conservation and Utilization of Bio-Resources in YunnanKunming, China
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Nash LA, Ward WE. Comparison of black, green and rooibos tea on osteoblast activity. Food Funct 2016; 7:1166-75. [PMID: 26885714 DOI: 10.1039/c5fo01222h] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Globally, tea is the second most consumed beverage after water. Habitual tea intake has been associated with higher bone mineral density, particularly in postmenopausal women. This association may be due to its polyphenols and resulting protective antioxidant effects. While in vivo studies have shown improved bone outcomes with a consumption of individual purified tea polyphenols, it is unclear if a particular tea - due to its different profiles of polyphenols - is more beneficial than others. Therefore, we compared three different types of commercially available teas on osteoblasts: green, black and rooibos tea. Tea was normalized to 1 or 10 μg per mL gallic acid equivalents to assess differences in outcomes based on tea profiles rather than the quantity of polyphenol naturally present. The lower level of polyphenols (1 μg per mL gallic acid equivalents) - regardless of tea type and thus polyphenol profile - resulted in greater mineral content as well as cellular and alkaline phosphatase activity in Saos2 cells. Moreover, this was associated with higher markers of differentiation (osteopontin, sclerostin) and reduced cellular toxicity and pro-inflammatory markers (IL6, TNFα). Green, black and rooibos tea improved osteoblast activity at the low level and support epidemiological evidence suggesting tea consumption may benefit bone heath.
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Affiliation(s)
- L A Nash
- Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, 500 Glenridge Ave, St. Catharines, Ont., L2S 3A1 Canada. and Centre for Bone and Muscle Health, Brock University, 500 Glenridge Ave, St. Catharines, Ont., L2S 3A1 Canada
| | - W E Ward
- Department of Health Sciences, Faculty of Applied Health Sciences, Brock University, 500 Glenridge Ave, St. Catharines, Ont., L2S 3A1 Canada. and Centre for Bone and Muscle Health, Brock University, 500 Glenridge Ave, St. Catharines, Ont., L2S 3A1 Canada and Department of Kinesiology, Faculty of Applied Health Sciences, Brock University, 500 Glenridge Ave, St. Catharines, Ont., L2S 3A1 Canada
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Sugita M, Kapoor MP, Nishimura A, Okubo T. Influence of green tea catechins on oxidative stress metabolites at rest and during exercise in healthy humans. Nutrition 2016; 32:321-31. [DOI: 10.1016/j.nut.2015.09.005] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 06/22/2015] [Accepted: 09/11/2015] [Indexed: 01/18/2023]
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Chin KY, Pang KL, Soelaiman IN. Tocotrienol and Its Role in Chronic Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 928:97-130. [DOI: 10.1007/978-3-319-41334-1_5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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26
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Effects of Sunphenon and Polyphenon 60 on proteolytic pathways, inflammatory cytokines and myogenic markers in H2O2-treated C2C12 cells. J Biosci 2015; 40:53-9. [PMID: 25740141 DOI: 10.1007/s12038-015-9503-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
The effect of Sunphenon and Polyphenon 60 in oxidative stress response, myogenic regulatory factors, inflammatory cytokines, apoptotic and proteolytic pathways on H2O2-induced myotube atrophy was addressed. Cellular responses of H2O2-induced C2C12 cells were examined, including mRNA expression of myogenic regulatory factors, such as MyoD and myogenin, inflammatory pathways, such as TNF-α and NF-kB, as well as proteolytic enzymes, such as μ-calpain and m-calpain. The pre-treatment of Sunphenon (50 μg/mL)/Polyphenon 60 (50 μg/mL) on H2O2-treated C2C12 cells significantly down-regulated the mRNA expression of myogenin and MyoD when compared to those treated with H2O2-induced alone. Additionally, the mRNA expression of μ-calpain and m-calpain were significantly(p<0.05) increased in H2O2-treated C2C12 cells, whereas pre-treatment with Sunphenon/Polyphenon significantly down-regulated the above genes, namely μ-calpain and m-calpain. Furthermore, the mRNA expression of TNF-α and NF-kB were significantly increased in H2O2-treated C2C12 cells, while pre-treatment with Sunphenon (50 μg/mL)/Polyphenon 60 (50 μg/mL) significantly (p<0.05) down-regulated it when compared to the untreated control group.Subsequent analysis of DNA degeneration and caspase activation revealed that Sunphenon (50 μg/mL)/Polyphenon 60 (50 μg/mL) inhibited activation of caspase-3 and showed an inhibitory effect on DNA degradation. From this result, we know that, in stress conditions, μ-calpain may be involved in the muscle atrophy through the suppression of myogenin and MyoD. Moreover, Sunphenon may regulate the skeletal muscle genes/promote skeletal muscle recovery by the up-regulation of myogenin and MyoD and suppression of μ-calpain and inflammatory pathways and may regulate the apoptosis pathways. Our findings suggest that dietary supplementation of Sunphenon might reduce inflammatory events in muscle-associated diseases, such as myotube atrophy.
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Đudarić L, Fužinac-Smojver A, Muhvić D, Giacometti J. The role of polyphenols on bone metabolism in osteoporosis. Food Res Int 2015. [DOI: 10.1016/j.foodres.2015.10.017] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Zink A, Traidl-Hoffmann C. Grüner Tee in der Dermatologie - Mythen und Fakten. J Dtsch Dermatol Ges 2015. [DOI: 10.1111/ddg.20_12737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander Zink
- Klinik und Poliklinik für Dermatologie und Allergologie am Biederstein; Technische Universität München; München Deutschland
- Institut für Umweltmedizin; UNIKA-T, Technische Universität München; München Deutschland
| | - Claudia Traidl-Hoffmann
- Institut für Umweltmedizin; UNIKA-T, Technische Universität München; München Deutschland
- CK-CARE; Christine Kühne Center for Allergy Research and Education; Davos Schweiz
- Ambulanz für Umweltmedizin; Klinikum Augsburg; Augsburg Deutschland
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Abstract
Green tea consumption has a long tradition in Asian countries--especially China. The epidemiologically and experimentally observed anticarcinogenic and antiinflammatory effects of green tea have led to the implementation of green tea extracts in multiple therapeutic applications - both in dermatological and cosmeceutical preparations. The most abundant evidence exists for the anticarcinogenic and chemopreventive effect of green tea or its major constituent epigallocatechin-3-gallate. Almost equally evident is the effect in infectious diseases such as cutaneous viral infections. For external genital warts, a topical ointment with green tea extracts was licensed in the USA in 2010, and recently also in Europe. Experimental evidence pinpointing the block of central signal transduction factors in inflammatory mechanisms has led to the evaluation of catechins in inflammatory disorders such as atopic dermatitis. The belief of green tea as a "wonder weapon" against diseases dates back thousands of years. According to a Chinese legend, ancient Emperor Shen Nung noted a delightful aroma after some leaves of a nearby tree had fallen into boiling water. He immediately proclaimed the new "drink" as "heaven-sent", starting the belief - persisting until today - of green tea as a medication from nature against many different diseases. This review summarizes biological effects and clinical implications of green tea.
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Affiliation(s)
- Alexander Zink
- Department of Dermatology and Allergy Biederstein, Technische Universität München, Munich, Germany.,Institute for environmental medicine, UNIKA-T, Technischen Universität München, Munich, Germany
| | - Claudia Traidl-Hoffmann
- Institute for environmental medicine, UNIKA-T, Technischen Universität München, Munich, Germany.,CK-CARE, Christine Kühne Center for Allergy Research and Education, Davos, Switzerland.,Outpatient Clinic for environmental medicine, Klinikum Augsburg, Augsburg, Germany
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