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Zhao H, Zhao H, Ji S. A Mesenchymal stem cell Aging Framework, from Mechanisms to Strategies. Stem Cell Rev Rep 2024; 20:1420-1440. [PMID: 38727878 DOI: 10.1007/s12015-024-10732-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/02/2024] [Indexed: 08/13/2024]
Abstract
Mesenchymal stem cells (MSCs) are extensively researched for therapeutic applications in tissue engineering and show significant potential for clinical use. Intrinsic or extrinsic factors causing senescence may lead to reduced proliferation, aberrant differentiation, weakened immunoregulation, and increased inflammation, ultimately limiting the potential of MSCs. It is crucial to comprehend the molecular pathways and internal processes responsible for the decline in MSC function due to senescence in order to devise innovative approaches for rejuvenating senescent MSCs and enhancing MSC treatment. We investigate the main molecular processes involved in senescence, aiming to provide a thorough understanding of senescence-related issues in MSCs. Additionally, we analyze the most recent advancements in cutting-edge approaches to combat MSC senescence based on current research. We are curious whether the aging process of stem cells results in a permanent "memory" and if cellular reprogramming may potentially revert the aging epigenome to a more youthful state.
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Affiliation(s)
- Hongqing Zhao
- Nanbu County People's Hospital, Nanchong City, 637300, Sichuan Province, China
- Jinzhou Medical University, No.82 Songpo Road, Guta District, Jinzhou, 121001, Liaoning Province, China
| | - Houming Zhao
- Graduate School of PLA Medical College, Chinese PLA General Hospital, Beijing, 100083, China
| | - Shuaifei Ji
- Graduate School of PLA Medical College, Chinese PLA General Hospital, Beijing, 100083, China.
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2
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Pavlou IA, Spandidos DA, Zoumpourlis V, Adamaki M. Nutrient insufficiencies and deficiencies involved in the pathogenesis of bruxism (Review). Exp Ther Med 2023; 26:563. [PMID: 37954114 PMCID: PMC10632959 DOI: 10.3892/etm.2023.12262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 10/02/2023] [Indexed: 11/14/2023] Open
Abstract
Stress has been well-documented to have a significant role in the etiopathogenesis of bruxism. Activation of the hypothalamic-pituitary-adrenal axis (HPA) and subsequent release of corticosteroids lead to increased muscle activity. Neurological studies have demonstrated that chronic stress exposure induces neurodegeneration of important neuronal structures and destabilization of the mesocortical dopaminergic pathway. These disruptions impair the abilities to counteract the overactivity of the HPA axis and disinhibit involuntary muscle activity, while at the same time, there is activation of the amygdala. Recent evidence shows that overactivation of the amygdala under stressful stimuli causes rhythmic jaw muscle activity by over activating the mesencephalic and motor trigeminal nuclei. The present review aimed to discuss the negative effects of certain vitamin and mineral deficiencies, such as vitamin D, magnesium, and omega-3 fatty acids, on the central nervous system. It provides evidence on how such insufficiencies may increase stress sensitivity and neuromuscular excitability and thereby reduce the ability to effectively respond to the overactivation of the sympathetic nervous system, and also how stress can in turn lead to these insufficiencies. Finally, the positive effects of individualized supplementation are discussed in the context of diminishing anxiety and oxidative stress, neuroprotection and in the reversal of neurodegeneration, and also in alleviating/reducing neuromuscular symptoms.
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Affiliation(s)
| | - Demetrios A. Spandidos
- Laboratory of Clinical Virology, Medical School, University of Crete, 71003 Heraklion, Greece
| | - Vassilis Zoumpourlis
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
| | - Maria Adamaki
- Biomedical Applications Unit, Institute of Chemical Biology, National Hellenic Research Foundation, 11635 Athens, Greece
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3
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Agh F, Mousavi SH, Aryaeian N, Amiri F, Jalilvand MR, Hasani M, Vahid F, Sepahvand F, Vosugh M. Senescence of bone marrow mesenchymal stem cells in Wistar male rats receiving normal chow/high-calorie diets with/without vitamin D. Biogerontology 2023; 24:801-812. [PMID: 37606875 DOI: 10.1007/s10522-023-10048-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 06/23/2023] [Indexed: 08/23/2023]
Abstract
Bone marrow mesenchymal stem cells (BM-MSCs) have a momentous function in the composition of the bone marrow microenvironment because of their many valuable properties and abilities, such as immunomodulation and hematopoiesis. The features and actions of MSCs are influenced by senescence, which may be affected by various factors such as nutritional/micronutrients status, e.g., vitamin D. This study aimed to examine the effects of a high-calorie diet (HCD) with/without vitamin D on BM-MSCs senescence. In the first phase, 48 middle-aged rats were fed a normal chow diet (NCD, n = 24) and an HCD (n = 24) for 26 weeks. Afterward, the rats in each group were randomly divided into three equal subgroups. Immediately, eight-rat from each diet group were sacrificed to assess the HCD effects on the first phase measurements. In the second phase, the remaining 4 groups of rats were fed either NCD or HCD with (6 IU/g) or without vitamin D (standard intake: 1 IU/g); in other words, in this phase, the animals were fed (a) NCD, (b) NCD plus vitamin D, (c) HCD, and (d) HCD plus vitamin D for 4 months. BM-MSCs were isolated and evaluated for P16INK4a, P38 MAPK, and Bmi-1 gene expression, reactive oxygen species (ROS) levels, SA-β-gal activity, and cell cycle profile at the end of both phases. After 26 weeks (first phase), the ROS level, SA-β-gal-positive cells, and cells in the G1 phase were significantly higher in HCD-fed rats than in NCD-fed ones (P < 0.05). HCD prescription did not significantly affect cells in the S and G2 phases (p > 0.05). Compared with the NCD-fed animals, P16INK4a and P38 MAPK gene expression were up-regulated in the HCD-fed animals; also, Bmi-1 gene expression was down-regulated (P < 0.05). BM-MSCs from vitamin D-treated rats (second phase) exhibited reduced mRNA levels of P16INK4a and P38 MAPK genes and increased Bmi-1 mRNA levels (all P < 0.05). Vitamin D prescription also declined the percentage of SA-β-gal-positive cells, ROS levels, and the cells in the G1 phase and increased the cells in the S phase in both NCD and HCD-fed animals (P < 0.05). The reduction of the cells in the G2 phase in rats fed with an NCD plus vitamin D was statistically non-significant (P = 0.128) and significant in HCD plus vitamin D rats (P = 0.002). HCD accelerates BM-MSCs senescence, and vitamin D reduces BM-MSCs senescence biomarkers.
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Affiliation(s)
- Fahimeh Agh
- Saveh University of Medical Sciences, Saveh, Iran
- Student Research Committee, Saveh University of Medical Sciences, Saveh, Iran
| | - Seyed Hadi Mousavi
- Department of Hematology, School of Allied Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
| | - Naheed Aryaeian
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran.
| | - Fatemehsadat Amiri
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Jalilvand
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Motahareh Hasani
- Department of Nutrition, School of Public Health, Golestan University of Medical Sciences, Gorgan, Iran
| | - Farhad Vahid
- Nutrition and Health Research Group, Department of Precision Health, Luxembourg Institute of Health, Strassen, Luxembourg
| | - Fatemeh Sepahvand
- Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
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4
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Wang Q, Zhao J, Chen H, Zhou J, Chen A, Zhang J, Wang Y, Mao Z, Wang J, Qiu X, Chen Y, Wang R, Zhang Y, Miao D, Jin J. Bmi-1 Overexpression Improves Sarcopenia Induced by 1,25(OH) 2 D 3 Deficiency and Downregulates GATA4-Dependent Rela Transcription. J Bone Miner Res 2023; 38:427-442. [PMID: 36625422 DOI: 10.1002/jbmr.4770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 12/26/2022] [Accepted: 01/06/2023] [Indexed: 01/11/2023]
Abstract
Sarcopenia increases with age, and an underlying mechanism needs to be determined to help with designing more effective treatments. This study aimed to determine whether 1,25(OH)2 D3 deficiency could cause cellular senescence and a senescence-associated secretory phenotype (SASP) in skeletal muscle cells to induce sarcopenia, whether GATA4 could be upregulated by 1,25(OH)2 D3 deficiency to promote SASP, and whether Bmi-1 reduces the expression of GATA4 and GATA4-dependent SASP induced by 1,25(OH)2 D3 deficiency in skeletal muscle cells. Bioinformatics analyses with RNA sequencing data in skeletal muscle from physiologically aged and young mice were conducted. Skeletal muscles from 2-month-old young and 2-year-old physiologically aged wild-type (WT) mice and 8-week-old WT, Bmi-1 mesenchymal transgene (Bmi-1Tg ), Cyp27b1 homozygous (Cyp27b1-/- ), and Bmi-1Tg Cyp27b1-/- mice were observed for grip strength, cell senescence, DNA damage, and NF-κB-mediated SASP signaling of skeletal muscle. We found that muscle-derived Bmi-1 and vitamin D receptor (VDR) decreased with physiological aging, and DNA damage and GATA4-dependent SASP activation led to sarcopenia. Furthermore, 1,25(OH)2 D3 deficiency promoted DNA damage-induced GATA4 accumulation in muscles. GATA4 upregulated Rela at the region from -1448 to -1412 bp at the transcriptional level to cause NF-κB-dependent SASP for aggravating cell senescence and muscular dysfunction and sarcopenia. Bmi-1 overexpression promoted the ubiquitination and degradation of GATA4 by binding RING1B, which prevented cell senescence, SASP, and dysfunctional muscle, and improved sarcopenia induced by 1,25(OH)2 D3 deficiency. Thus, Bmi-1 overexpression improves sarcopenia induced by 1,25(OH)2 D3 deficiency, downregulates GATA4-dependent Rela transcription, and sequentially inhibits GATA4-dependent SASP in muscle cells. Therefore, Bmi-1 overexpression could be used for translational gene therapy for the ubiquitination of GATA4 and prevention of sarcopenia. © 2023 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Qiuyi Wang
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jingyu Zhao
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Haiyun Chen
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.,Medical School of Nanjing University, Jiangsu Laboratory of Molecular Medicine, Nanjing University, Nanjing, Jiangsu, China
| | - Jiawen Zhou
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.,State Key Laboratory of Natural Medicines, Department of Pharmacology, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Ao Chen
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jin'ge Zhang
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yue Wang
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Zhiyuan Mao
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jiachen Wang
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Xuehan Qiu
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yutong Chen
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Rong Wang
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Yongjie Zhang
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
| | - Dengshun Miao
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China.,The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing, Jiangsu, China
| | - Jianliang Jin
- Department of Human Anatomy, Research Centre for Bone and Stem Cells; Key Laboratory for Aging & Disease; The State Key Laboratory of Reproductive Medicine, Nanjing Medical University, Nanjing, Jiangsu, China
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5
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Mustafa T, Khan I, Iqbal H, Usman S, Naeem N, Faizi S, Salim A. Rutin and quercetagetin enhance the regeneration potential of young and aging bone marrow-derived mesenchymal stem cells in the rat infarcted myocardium. Mol Cell Biochem 2022:10.1007/s11010-022-04628-5. [PMID: 36566485 DOI: 10.1007/s11010-022-04628-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 11/30/2022] [Indexed: 12/26/2022]
Abstract
Myocardial infarction (MI) damages cardiomyocytes permanently and compromises cardiac function. Mesenchymal stem cells (MSCs) with the potential to differentiate into multiple lineages are considered as one of the best options for the treatment of MI. However, aging affects their regeneration capability. With age, reactive oxygen species (ROS) accumulate in cells ultimately causing cell death. To successfully utilize these stem cells in clinic, novel strategies to improve their functional capability should be explored. In this study, we aimed to enhance the cardiac regeneration potential of bone marrow MSCs derived from aging rats by treating them with antioxidants, rutin or quercetagetin in separate in vivo experiments. Oxidative stress was induced by treating MSCs of young and aging rats with different concentrations of H2O2 which resulted in an increase in the ROS level. MSCs were treated with rutin or quercetagetin at varying concentrations and exposed to H2O2. It was observed that both antioxidants significantly (P < 0.001) suppressed H2O2-induced intracellular ROS accumulation in a dose-dependent manner. An optimized concentration of 10 µM rutin or quercetagetin was used for the in vivo experiments. MI models were developed in aging rats by ligation of left anterior descending artery and treated MSCs were transplanted in the MI models. Echocardiography was performed after 2 and 4 weeks of cell transplantation to evaluate the functional status of the infarcted heart and histological analysis was performed after 4 weeks to assess cardiac regeneration. Significant improvement was observed in cardiac parameters including LVEF% (P < 0.001), LVFS% (P < 0.01 and P < 0.001), LVIDd (P < 0.01 and P < 0.001), LVIDs (P < 0.001), LVEDV (P < 0.001) and LVESV (P < 0.001) in the treated young as well as aging MSCs. It is concluded from these findings that rutin and quercetagetin treatment enhance the regeneration efficiency of young and aging MSCs in vivo. These antioxidants can be effectively utilized to improve cellular therapy for myocardial infarction by suppressing ROS production.
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Affiliation(s)
- Tuba Mustafa
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Irfan Khan
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Hana'a Iqbal
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Sehrish Usman
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Nadia Naeem
- Dow Research Institute of Biotechnology and Biomedical Sciences (DRIBBS), Dow University of Health Sciences, Gulzar-E-Hijri, Suparco Road, KDA Scheme-33, Karachi, Pakistan
| | - Shaheen Faizi
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan
| | - Asmat Salim
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan.
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VDR Regulates BNP Promoting Neurite Growth and Survival of Cochlear Spiral Ganglion Neurons through cGMP-PKG Signaling Pathway. Cells 2022; 11:cells11233746. [PMID: 36497006 PMCID: PMC9739822 DOI: 10.3390/cells11233746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022] Open
Abstract
Spiral ganglion neurons (SGNs) are important for hearing, and their peripheral and central processes connect sensory cells of the Corti organ to the central nervous system. The resulting network forms a point-to-point auditory conduction. As a cardiac hormone, brain natriuretic peptide (BNP) binds to natriuretic peptide receptor type A leading to diuresis, vasodilatation, inhibition of renin and aldosterone production, and cardiac and vascular myocyte growth. This study primarily aimed to explore the expression and function of BNP in the rat's inner ear and elucidate its regulatory mechanism. We determined the expression and function of BNP and found that the vitamin D receptor (VDR) could upregulate the expression of BNP and enhance its function. In SGNs of the rat inner ear, BNP promotes neuron survival and prolongs neurite length through the cGMP-PKG signaling pathway, which could be regulated by VDR and provide a novel approach for neuronal regeneration therapy. To the best of our knowledge, this is the first study to report this potential transcriptional regulatory relationship and will act as a reference for research on neuronal regeneration therapy for SGNs injury.
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1,25(OH)2D3 Mitigates Oxidative Stress-Induced Damage to Nucleus Pulposus-Derived Mesenchymal Stem Cells through PI3K/Akt Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:1427110. [PMID: 35340208 PMCID: PMC8956384 DOI: 10.1155/2022/1427110] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 01/29/2022] [Accepted: 02/28/2022] [Indexed: 12/11/2022]
Abstract
Intervertebral disc degeneration (IVDD) is one of the main causes of low back pain. The local environment of the degenerated intervertebral disc (IVD) increases oxidative stress and apoptosis of endogenous nucleus pulposus-derived mesenchymal stem cells (NPMSCs) and weakens its ability of endogenous repair ability in degenerated IVDs. A suitable concentration of 1α,25-dihydroxyvitamin D3 (1,25(OH)2D3) has been certified to reduce oxidative stress and cell apoptosis. The current study investigated the protective effect and potential mechanism of 1,25(OH)2D3 against oxidative stress-induced damage to NPMSCs. The present results showed that 1,25(OH)2D3 showed a significant protective effect on NPMSCs at a concentration of 10−10 M for 24 h. Protective effects of 1,25(OH)2D3 were also exhibited against H2O2-induced NPMSC senescence, mitochondrial dysfunction, and reduced mitochondrial membrane potential. The Annexin V/PI apoptosis detection assay, TUNEL assay, immunofluorescence, western blot, and real-time quantitative polymerase chain reaction assay showed that pretreatment with 1,25(OH)2D3 could alleviate H2O2-induced NPMSC apoptosis, including the apoptosis rate and the expression of proapoptotic-related (Caspase-3 and Bax) and antiapoptotic-related (Bcl-2) proteins. The intracellular expression of p-Akt increased after pretreatment with 1,25(OH)2D3. However, these protective effects of 1,25(OH)2D3 were significantly decreased after the PI3K/Akt pathway was inhibited by the LY294002 treatment. In vivo, X-ray, MRI, and histological analyses showed that 1,25(OH)2D3 treatment relieved the degree of IVDD in Sprague–Dawley rat disc puncture models. In summary, 1,25(OH)2D3 efficiently attenuated oxidative stress-induced NPMSC apoptosis and mitochondrial dysfunction via PI3K/Akt pathway and is a promising candidate treatment for the repair of IVDD.
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Borojević A, Jauković A, Kukolj T, Mojsilović S, Obradović H, Trivanović D, Živanović M, Zečević Ž, Simić M, Gobeljić B, Vujić D, Bugarski D. Vitamin D3 Stimulates Proliferation Capacity, Expression of Pluripotency Markers, and Osteogenesis of Human Bone Marrow Mesenchymal Stromal/Stem Cells, Partly through SIRT1 Signaling. Biomolecules 2022; 12:biom12020323. [PMID: 35204824 PMCID: PMC8868595 DOI: 10.3390/biom12020323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 12/02/2022] Open
Abstract
The biology of vitamin D3 is well defined, as are the effects of its active metabolites on various cells, including mesenchymal stromal/stem cells (MSCs). However, the biological potential of its precursor, cholecalciferol (VD3), has not been sufficiently investigated, although its significance in regenerative medicine—mainly in combination with various biomaterial matrices—has been recognized. Given that VD3 preconditioning might also contribute to the improvement of cellular regenerative potential, the aim of this study was to investigate its effects on bone marrow (BM) MSC functions and the signaling pathways involved. For that purpose, the influence of VD3 on BM-MSCs obtained from young human donors was determined via MTT test, flow cytometric analysis, immunocytochemistry, and qRT-PCR. Our results revealed that VD3, following a 5-day treatment, stimulated proliferation, expression of pluripotency markers (NANOG, SOX2, and Oct4), and osteogenic differentiation potential in BM-MSCs, while it reduced their senescence. Moreover, increased sirtuin 1 (SIRT1) expression was detected upon treatment with VD3, which mediated VD3-promoted osteogenesis and, partially, the stemness features through NANOG and SOX2 upregulation. In contrast, the effects of VD3 on proliferation, Oct4 expression, and senescence were SIRT1-independent. Altogether, these data indicate that VD3 has strong potential to modulate BM-MSCs’ features, partially through SIRT1 signaling, although the precise mechanisms merit further investigation.
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Affiliation(s)
- Ana Borojević
- Mother and Child Health Care Institute of Serbia ‘’Dr Vukan Čupić’’, 11000 Belgrade, Serbia; (Ž.Z.); (M.S.); (B.G.); (D.V.)
- Correspondence: ; Tel.: +381-11-3108-175
| | - Aleksandra Jauković
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia; (A.J.); (T.K.); (S.M.); (H.O.); (D.T.); (M.Ž.); (D.B.)
| | - Tamara Kukolj
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia; (A.J.); (T.K.); (S.M.); (H.O.); (D.T.); (M.Ž.); (D.B.)
| | - Slavko Mojsilović
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia; (A.J.); (T.K.); (S.M.); (H.O.); (D.T.); (M.Ž.); (D.B.)
| | - Hristina Obradović
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia; (A.J.); (T.K.); (S.M.); (H.O.); (D.T.); (M.Ž.); (D.B.)
| | - Drenka Trivanović
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia; (A.J.); (T.K.); (S.M.); (H.O.); (D.T.); (M.Ž.); (D.B.)
- IZKF Group Tissue Regeneration in Musculoskeletal Diseases, University Clinics, Röntgenring 11, 97070 Würzburg, Germany
- Bernhard-Heine-Center for Locomotion Research, University Würzburg, Sanderring 2, 97070 Würzburg, Germany
| | - Milena Živanović
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia; (A.J.); (T.K.); (S.M.); (H.O.); (D.T.); (M.Ž.); (D.B.)
| | - Željko Zečević
- Mother and Child Health Care Institute of Serbia ‘’Dr Vukan Čupić’’, 11000 Belgrade, Serbia; (Ž.Z.); (M.S.); (B.G.); (D.V.)
- School of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Marija Simić
- Mother and Child Health Care Institute of Serbia ‘’Dr Vukan Čupić’’, 11000 Belgrade, Serbia; (Ž.Z.); (M.S.); (B.G.); (D.V.)
| | - Borko Gobeljić
- Mother and Child Health Care Institute of Serbia ‘’Dr Vukan Čupić’’, 11000 Belgrade, Serbia; (Ž.Z.); (M.S.); (B.G.); (D.V.)
| | - Dragana Vujić
- Mother and Child Health Care Institute of Serbia ‘’Dr Vukan Čupić’’, 11000 Belgrade, Serbia; (Ž.Z.); (M.S.); (B.G.); (D.V.)
- School of Medicine, University of Belgrade, 11000 Belgrade, Serbia
| | - Diana Bugarski
- Group for Hematology and Stem Cells, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, 11129 Belgrade, Serbia; (A.J.); (T.K.); (S.M.); (H.O.); (D.T.); (M.Ž.); (D.B.)
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Ebert R, Weissenberger M, Braun C, Wagenbrenner M, Herrmann M, Müller-Deubert S, Krug M, Jakob F, Rudert M. Impaired regenerative capacity and senescence-associated secretory phenotype in mesenchymal stromal cells from samples of patients with aseptic joint arthroplasty loosening. J Orthop Res 2022; 40:513-523. [PMID: 33749912 DOI: 10.1002/jor.25041] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 03/15/2021] [Accepted: 03/19/2021] [Indexed: 02/04/2023]
Abstract
Aseptic loosening of total hip and knee joint replacements is the most common indication for revision surgery after primary hip and knee arthroplasty. Research suggests that exposure and uptake of wear by mesenchymal stromal cells (MSC) and macrophages results in the secretion of proinflammatory cytokines and local osteolysis, but also impaired cell viability and regenerative capacity of MSC. Therefore, this in vitro study compared the regenerative and differentiation capacity of MSC derived from patients undergoing primary total hip arthroplasty (MSCprim) to MSC derived from patients undergoing revision surgery after aseptic loosening of total hip and knee joint implants (MSCrev). Regenerative capacity was examined by measuring the cumulative population doubling (CPD) in addition to the number of passages until cells stopped proliferating. Osteogenesis and adipogenesis in monolayer cultures were assessed using histological stainings. Furthermore, RT-PCR was performed to evaluate the relative expression of osteogenic and adipogenic marker genes as well as the expression of markers for a senescence-associated secretory phenotype (SASP). MSCrev possessed a limited regenerative capacity in comparison to MSCprim. Interestingly, MSCrev also showed an impaired osteogenic and adipogenic differentiation capacity compared to MSCprim and displayed a SASP early after isolation. Whether this is the cause or the consequence of the aseptic loosening of total joint implants remains unclear. Future research should focus on the identification of specific cell markers on MSCprim, which may influence complication rates such as aseptic loosening of total joint arthroplasty to further individualize and optimize total joint arthroplasty.
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Affiliation(s)
- Regina Ebert
- Bernhard Heine Center for Locomotion Research, Department of Orthopedic, University of Würzburg, Würzburg, Germany
| | - Manuel Weissenberger
- Department of Orthopaedic Surgery, König-Ludwig-Haus, University of Würzburg, Würzburg, Germany
| | - Clemens Braun
- Bernhard Heine Center for Locomotion Research, Department of Orthopedic, University of Würzburg, Würzburg, Germany
| | - Mike Wagenbrenner
- Department of Orthopaedic Surgery, König-Ludwig-Haus, University of Würzburg, Würzburg, Germany
| | - Marietta Herrmann
- Bernhard Heine Center for Locomotion Research, Department of Orthopedic, University of Würzburg, Würzburg, Germany.,IZKF Research Group Tissue Regeneration in Musculoskeletal Diseases, University Hospital Würzburg, Würzburg, Germany
| | - Sigrid Müller-Deubert
- Bernhard Heine Center for Locomotion Research, Department of Orthopedic, University of Würzburg, Würzburg, Germany
| | - Melanie Krug
- Bernhard Heine Center for Locomotion Research, Department of Orthopedic, University of Würzburg, Würzburg, Germany
| | - Franz Jakob
- Bernhard Heine Center for Locomotion Research, Department of Orthopedic, University of Würzburg, Würzburg, Germany
| | - Maximilian Rudert
- Bernhard Heine Center for Locomotion Research, Department of Orthopedic, University of Würzburg, Würzburg, Germany.,Department of Orthopaedic Surgery, König-Ludwig-Haus, University of Würzburg, Würzburg, Germany
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10
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Raj V, Natarajan S, C M, Chatterjee S, Ramasamy M, Ramanujam GM, Arasu MV, Al-Dhabi NA, Choi KC, Arockiaraj J, Karuppiah K. Cholecalciferol and metformin protect against lipopolysaccharide-induced endothelial dysfunction and senescence by modulating sirtuin-1 and protein arginine methyltransferase-1. Eur J Pharmacol 2021; 912:174531. [PMID: 34710370 DOI: 10.1016/j.ejphar.2021.174531] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 09/14/2021] [Accepted: 09/27/2021] [Indexed: 01/07/2023]
Abstract
Endothelial cell activation through nuclear factor-kappa-B (NFkB) and mitogen-activated protein kinases leads to increased biosynthesis of pro-inflammatory mediators, cellular injury and vascular inflammation under lipopolysaccharide (LPS) exposure. Recent studies report that LPS up-regulated global methyltransferase activity. In this study, we observed that a combination treatment with metformin (MET) and cholecalciferol (VD) blocked the LPS-induced S-adenosylmethionine (SAM)-dependent methyltransferase (SDM) activity in Eahy926 cells. We found that LPS challenge (i) increased arginine methylation through up-regulated protein arginine methyltransferase-1 (PRMT1) mRNA, intracellular concentrations of asymmetric dimethylarginine (ADMA) and homocysteine (HCY); (ii) up-regulated cell senescence through mitigated sirtuin-1 (SIRT1) mRNA, nicotinamide adenine dinucleotide (NAD+) concentration, telomerase activity and total antioxidant capacity; and (iii) lead to endothelial dysfunction through compromised nitric oxide (NOx) production. However, these LPS-mediated cellular events in Eahy926 cells were restored by the synergistic effect of MET and VD. Taken together, this study identified that the dual compound effect inhibits LPS-induced protein arginine methylation, endothelial senescence and dysfunction through the components of epigenetic machinery, SIRT1 and PRMT1, which is a previously unidentified function of the test compounds. In silico results identified the presence of vitamin D response element (VDRE) sequence on PRMT1 suggesting that VDR could regulate PRMT1 gene expression. Further characterization of the cellular events associated with the dual compound challenge, using gene silencing approach or adenoviral constructs for SIRT1 and/or PRMT1 under inflammatory stress, could identify therapeutic strategies to address the endothelial consequences in vascular inflammation-mediated atherosclerosis.
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Affiliation(s)
- Vijay Raj
- Department of Medical Research, Medical College Hospital & Research Center, SRM Institute of Science and Technology, Kattankulathur, 603202, India
| | - Suganya Natarajan
- AU-KBC Research Centre, Madras Institute of Technology, Anna University, Chennai, 600025, India
| | - Marimuthu C
- Gleneagles Global Health City, Chennai, 600100, India
| | - Suvro Chatterjee
- AU-KBC Research Centre, Madras Institute of Technology, Anna University, Chennai, 600025, India
| | - Mohankumar Ramasamy
- Interdisciplinary Institute of Indian System of Medicine, SRM Institute of Science and Technology, Kattankulathur, 603202, India
| | - Ganesh Munuswamy Ramanujam
- Interdisciplinary Institute of Indian System of Medicine, SRM Institute of Science and Technology, Kattankulathur, 603202, India
| | - Mariadhas Valan Arasu
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Naif Abdullah Al-Dhabi
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Ki Choon Choi
- Grassland and Forage Division, National Institute of Animal Science, RDA, Seonghwan-Eup, Cheonan-Si, Chungnam, 330-801, Republic of Korea
| | - Jesu Arockiaraj
- SRM Research Institute, SRM Institute of Science and Technology, Kattankulathur, 603202, India; Department of Biotechnology, College of Science and Humanities, SRM Institute of Science and Humanities, Kattankulathur 603203, Chennai, Tamil Nadu, India
| | - Kanchana Karuppiah
- Department of Medical Research, Medical College Hospital & Research Center, SRM Institute of Science and Technology, Kattankulathur, 603202, India.
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11
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Inflammation- and Gut-Homing Macrophages, Engineered to De Novo Overexpress Active Vitamin D, Promoted the Regenerative Function of Intestinal Stem Cells. Int J Mol Sci 2021; 22:ijms22179516. [PMID: 34502422 PMCID: PMC8430522 DOI: 10.3390/ijms22179516] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/24/2021] [Accepted: 08/28/2021] [Indexed: 12/11/2022] Open
Abstract
Inflammatory bowel disease (IBD) is a chronic inflammatory disease of the gut. Available drugs aim to suppress gut inflammation. These drugs have significantly delayed disease progression and improved patients’ quality of life. However, the disease continues to progress, underscoring the need to develop novel therapies. Aside from chronic gut inflammation, IBD patients also experience a leaky gut problem due to damage to the intestinal epithelial layer. In this regard, epithelial regeneration and repair are mediated by intestinal stem cells. However, no therapies are available to directly enhance the intestinal stem cells’ regenerative and repair function. Recently, it was shown that active vitamin D, i.e., 1,25-dihydroxyvitamin D or 1,25(OH)2D, was necessary to maintain Lgr5+ intestinal stem cells, actively cycling under physiological conditions. In this study, we used two strategies to investigate the role of 1,25(OH)2D in intestinal stem cells’ regenerative function. First, to avoid the side effects of systemic high 1,25(OH)2D conditions, we used our recently developed novel strategy to deliver locally high 1,25(OH)2D concentrations specifically to inflamed intestines. Second, because of the Lgr5+ intestinal stem cells’ active cycling status, we used a pulse-and-chase strategy via 5-bromo-2′-deoxyuridine (BrdU) labeling to trace the Lgr5+ stem cells through the whole epithelial regeneration process. Our data showed that locally high 1,25(OH)2D concentrations enhanced intestinal stem cell migration. Additionally, the migrated cells differentiated into mature epithelial cells. Our data, therefore, suggest that local delivery of high 1,25(OH)2D concentrations is a promising strategy to augment intestinal epithelial repair in IBD patients.
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12
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Tousian H, Razavi BM, Hosseinzadeh H. In search of elixir: Pharmacological agents against stem cell senescence. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2021; 24:868-880. [PMID: 34712416 PMCID: PMC8528253 DOI: 10.22038/ijbms.2021.51917.11773] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 03/02/2021] [Indexed: 12/13/2022]
Abstract
Stem cell senescence causes different complications. In addition to the aging phenomenon, stem cell senescence has been investigated in various concepts such as cancer, adverse drug effects, and as a limiting factor in cell therapy. This manuscript examines protective medicines and supplements which are capable of hindering stem cell senescence. We searched the databases such as EMBASE, PubMed, and Web of Science with the keywords "stem cell," "progenitor cell," "satellite," "senescence" and excluded the keywords "cancer," "tumor," "malignancy" and "carcinoma" until June 2020. Among these results, we chose 47 relevant studies. Our investigation indicates that most of these studies examined endothelial progenitor cells, hematopoietic stem cells, mesenchymal stem cells, adipose-derived stem cells, and a few others were about less-discussed types of stem cells such as cardiac stem cells, myeloblasts, and induced pluripotent stem cells. From another aspect, 17β-Estradiol, melatonin, metformin, rapamycin, coenzyme Q10, N-acetyl cysteine, and vitamin C were the most studied agents, while the main protective mechanism was through telomerase activity enhancement or oxidative damage ablation. Although many of these studies are in vitro, they are still worthwhile. Stem cell senescence in the in vitro expansion stage is an essential concern in clinical procedures of cell therapy. Moreover, in vitro studies are the first step for further in vivo and clinical studies. It is noteworthy to mention the fact that these protective agents have been used in the clinical setting for various purposes for a long time. Given that, we only need to examine their systemic anti-senescence effects and effective dosages.
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Affiliation(s)
- Hourieh Tousian
- Vice-chancellery of Food and Drug,Shahroud University of Medical Sciences, Shahroud, Iran
| | - Bibi Marjan Razavi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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13
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Maier GS, Weissenberger M, Rudert M, Roth KE, Horas K. The role of vitamin D and vitamin D deficiency in orthopaedics and traumatology-a narrative overview of the literature. ANNALS OF TRANSLATIONAL MEDICINE 2021; 9:942. [PMID: 34350257 PMCID: PMC8263860 DOI: 10.21037/atm-21-779] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 05/18/2021] [Indexed: 12/22/2022]
Abstract
Vitamin D is considered to play an important role in musculoskeletal health. It’s classical function is the regulation of calcium and phosphate homeostasis, thus ensuring a balanced bone metabolism that is characterised by an equal amount of bone resorption and bone formation. In the past decades, a plethora of pre-clinical and clinical studies reporting on potential health-beneficial properties of vitamin D have emerged. Moreover, there is an abundance of reports highlighting vitamin D deficiency and insufficiency in patients with almost innumerable diseases. Further, it is estimated that more than one billion people globally are affected by insufficient vitamin D levels. As such, research on vitamin D has been particularly popular over the past years. In orthopaedics and traumatology, most studies describe favourable effects of vitamin D in general. However, the relative importance of vitamin D is oftentimes debated. In this narrative review of the literature, we consider first, the properties of vitamin D and how vitamin D, vitamin D deficiency and the vitamin D receptor (VDR) impact on musculoskeletal health. Secondly, we provide an overview of studies reporting the prevalence of vitamin D deficiency in traumatology and diverse orthopaedic diseases including bone oncology. Lastly, we emphasise recent findings and touch on future perspectives in vitamin D research.
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Affiliation(s)
- Gerrit S Maier
- Rehazentrum am Meer, Bad Zwischenahn, Germany.,Department of Orthopaedic Surgery, Pius-Hospital, Carl-von-Ossietzky-University, Oldenburg, Germany
| | - Manuel Weissenberger
- Department of Orthopaedics, Koenig-Ludwig-Haus, Julius-Maximilians-University, Wuerzburg, Germany
| | - Maximilian Rudert
- Department of Orthopaedics, Koenig-Ludwig-Haus, Julius-Maximilians-University, Wuerzburg, Germany
| | - Klaus E Roth
- Department of Orthopaedic Surgery and Joint Academy, Gelenkzentrum Rhein-Main, Hochheim, Germany
| | - Konstantin Horas
- Department of Orthopaedics, Koenig-Ludwig-Haus, Julius-Maximilians-University, Wuerzburg, Germany.,Bernhard-Heine Centre for Musculoskeletal Research, University of Wuerzburg, Wuerzburg, Germany
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14
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Horas K, van Herck U, Maier GS, Maus U, Harrasser N, Jakob F, Weissenberger M, Arnholdt J, Holzapfel BM, Rudert M. Does vitamin D deficiency predict tumour malignancy in patients with bone tumours? Data from a multi-center cohort analysis. J Bone Oncol 2020; 25:100329. [PMID: 33294316 PMCID: PMC7695905 DOI: 10.1016/j.jbo.2020.100329] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/29/2020] [Accepted: 09/30/2020] [Indexed: 01/09/2023] Open
Abstract
Vitamin D deficiency is common in patients with bone tumours. Potential association between pre-diagnostic vitamin D status and tumour malignancy in patients with bone tumours. 25(OH)D status should routinely be assessed and monitored in patients with bone tumours.
Vitamin D deficiency is a global health concern that is estimated to afflict over one billion people globally. The major role of vitamin D is that of a regulator of calcium and phosphate metabolism, thus, being essential for proper bone mineralisation. Concomitantly, vitamin D is known to exert numerous extra-skeletal actions. For example, it has become evident that vitamin D has direct anti-proliferative, pro-differentiation and pro-apoptotic actions on cancer cells. Hence, vitamin D deficiency has been associated with increased cancer risk and worse prognosis in several malignancies. We have recently demonstrated that vitamin D deficiency promotes secondary cancer growth in bone. These findings were partly attributable to an increase in bone remodelling but also through direct effects of vitamin D on cancer cells. To date, very little is known about vitamin D status of patients with bone tumours in general. Thus, the objective of this study was to assess vitamin D status of patients with diverse bone tumours. Moreover, the aim was to elucidate whether or not there is an association between pre-diagnostic vitamin D status and tumour malignancy in patients with bone tumours. In a multi-center analysis, 25(OH)D, PTH and calcium levels of 225 patients that presented with various bone tumours between 2017 and 2018 were assessed. Collectively, 76% of all patients had insufficient vitamin D levels with a total mean 25(OH)D level of 21.43 ng/ml (53.58 nmol/L). In particular, 52% (117/225) of patients were identified as vitamin D deficient and further 24% of patients (55/225) were vitamin D insufficient. Notably, patients diagnosed with malignant bone tumours had significantly lower 25(OH)D levels than patients diagnosed with benign bone tumours [19.3 vs. 22.75 ng/ml (48.25 vs. 56.86 nmol/L); p = 0.04). In conclusion, we found a widespread and distressing rate of vitamin D deficiency and insufficiency in patients with bone tumours. However, especially for patients with bone tumours sufficient vitamin D levels seem to be of great importance. Thus, we believe that 25(OH)D status should routinely be monitored in these patients. Collectively, there should be an increased awareness for physicians to assess and if necessary correct vitamin D status of patients with bone tumours in general or of those at great risk of developing bone tumours.
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Affiliation(s)
- Konstantin Horas
- Department of Orthopaedics, Koenig-Ludwig-Haus, University of Wuerzburg, Germany.,Bernhard-Heine Centre for Musculoskeletal Research, University of Wuerzburg, Germany
| | - Ulrike van Herck
- Bernhard-Heine Centre for Musculoskeletal Research, University of Wuerzburg, Germany
| | - Gerrit S Maier
- Department of Orthopaedic Surgery, Pius-Hospital, Carl-von-Ossietzky-University, Oldenburg, Germany
| | - Uwe Maus
- Department of Orthopaedic Surgery, Pius-Hospital, Carl-von-Ossietzky-University, Oldenburg, Germany.,Department of Orthopaedic and Trauma Surgery, University of Duesseldorf, Germany
| | - Norbert Harrasser
- Department of Orthopaedics, Klinikum rechts der Isar, TU, Munich, Germany.,Excellent Center of Medicine (ECOM), Munich, Germany
| | - Franz Jakob
- Bernhard-Heine Centre for Musculoskeletal Research, University of Wuerzburg, Germany
| | - Manuel Weissenberger
- Department of Orthopaedics, Koenig-Ludwig-Haus, University of Wuerzburg, Germany
| | - Jörg Arnholdt
- Department of Orthopaedics, Koenig-Ludwig-Haus, University of Wuerzburg, Germany
| | - Boris M Holzapfel
- Department of Orthopaedics, Koenig-Ludwig-Haus, University of Wuerzburg, Germany
| | - Maximilian Rudert
- Department of Orthopaedics, Koenig-Ludwig-Haus, University of Wuerzburg, Germany
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15
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Vahidinia Z, Karimian M, Joghataei MT. Neurosteroids and their receptors in ischemic stroke: From molecular mechanisms to therapeutic opportunities. Pharmacol Res 2020; 160:105163. [DOI: 10.1016/j.phrs.2020.105163] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 08/17/2020] [Accepted: 08/17/2020] [Indexed: 01/09/2023]
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16
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Chen H, Hu X, Yang R, Wu G, Tan Q, Goltzman D, Miao D. SIRT1/FOXO3a axis plays an important role in the prevention of mandibular bone loss induced by 1,25(OH) 2D deficiency. Int J Biol Sci 2020; 16:2712-2726. [PMID: 33110391 PMCID: PMC7586429 DOI: 10.7150/ijbs.48169] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023] Open
Abstract
It has been reported that 1,25 dihydroxyvitamin D [1,25(OH)2D] deficiency leads to the loss of mandibular bone, however the mechanism is unclear. We investigated whether the Sirt1/FOXO3a signaling pathway is involved in this process. Using a 1,25(OH)2D deficiency model induced by genetic deletion in mice of 25-hydroxyvitamin D-1α hydroxylase [1α(OH)ase-/- mice]. We first documented a sharp reduction of expression levels of Sirt1 in the 1α(OH)ase-/- mice in vivo. Next, we demonstrated dose-dependent upregulation of Sirt1 by treatment with exogenous 1,25(OH)2D3in vitro. We then identified a functional VDR binding site in the Sirt1 promoter. By crossing Prx1-Sirt1 transgenic mice with 1α(OH)ase-/- mice we demonstrated that the overexpression of Sirt1 in mesenchymal stem cells (MSCs) greatly improved the 1α(OH)ase-/- mandibular bone loss phenotype by increasing osteoblastic bone formation and reducing osteoclastic bone resorption. In mechanistic studies, we showed, in 1α(OH)ase-/- mice, decreases of Sirt1 and FoxO3a, an increase in oxidative stress as reflected by a reduction of the antioxidant enzymes peroxiredoxin1 (Prdx1), SOD1 and SOD2 expression, and an increase of markers for osteocyte senescence and senescence associated secretory phenotypes (SASP), including β-galactosidase (β-gal), p16, p53 and p21. The targeted overexpression of Sirt1 in the 1α(OH)ase-/- mice restored the expression levels of these molecules. Finally, we demonstrated that a Sirt1 agonist can upregulate FOXO3a activity by increasing deacetylation and nuclear translocation. Overall, results from this study support the concept that targeted increases in Sirt1/FOXO3a signaling levels can greatly improve the bone loss caused by 1,25(OH)2D deficiency.
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Affiliation(s)
- Haiyun Chen
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Xiaoqing Hu
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Renlei Yang
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Guoping Wu
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Qian Tan
- Department of Burns and Plastic Surgery, The Drum Tower Clinical Medical College, Affiliated Drum Tower Hospital, Nanjing Medical University, Nanjing 210008, China
| | - David Goltzman
- Calcium Research Laboratory, McGill University Health Centre and Department of Medicine, McGill University, Montreal, Quebec H3A 1A1, Canada
| | - Dengshun Miao
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
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17
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Andrukhov O, Blufstein A, Behm C, Moritz A, Rausch-Fan X. Vitamin D3 and Dental Mesenchymal Stromal Cells. APPLIED SCIENCES 2020; 10:4527. [DOI: 10.3390/app10134527] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
Vitamin D3 is a hormone involved in the regulation of bone metabolism, mineral homeostasis, and immune response. Almost all dental tissues contain resident mesenchymal stromal cells (MSCs), which are largely similar to bone marrow-derived MSCs. In this narrative review, we summarized the current findings concerning the physiological effects of vitamin D3 on dental MSCs. The existing literature suggests that dental MSCs possess the ability to convert vitamin D3 into 25(OH)D3 and subsequently to the biologically active 1,25(OH)2D3. The vitamin D3 metabolites 25(OH)D3 and 1,25(OH)2D3 stimulate osteogenic differentiation and diminish the inflammatory response of dental MSCs. In addition, 1,25(OH)2D3 influences the immunomodulatory properties of MSCs in different dental tissues. Thus, dental MSCs are both producers and targets of 1,25(OH)2D3 and might regulate the local vitamin D3-dependent processes in an autocrine/paracrine manner. The local vitamin D3 metabolism is assumed to play an essential role in the local physiological processes, but the mechanisms of its regulation in dental MSCs are mostly unknown. The alteration of the local vitamin D3 metabolism may unravel novel therapeutic modalities for the treatment of periodontitis as well as new strategies for dental tissue regeneration.
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18
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Melms H, Herrmann M, Förstner K, Bharti R, Schneider D, Mentrup B, Rudert M, Schlagenhauf U, Jakob F, Graser S. Novel molecular cues for dental defects in hypophosphatasia. Exp Cell Res 2020; 392:112026. [PMID: 32333908 DOI: 10.1016/j.yexcr.2020.112026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Revised: 04/15/2020] [Accepted: 04/17/2020] [Indexed: 01/09/2023]
Abstract
Mineralization disorders with a broad range of etiological factors represent a huge challenge in dental diagnosis and therapy. Hypophosphatasia (HPP) belongs to the rare diseases affecting predominantly mineralized tissues, bones and teeth, and occurs due to mutations in the ALPL gene, which encodes tissue-nonspecific alkaline phosphatase (TNAP). Here we analyzed stem cells from bone marrow (BMSCs), dental pulp (DPSCs) and periodontal ligament (PDLSCs) in the absence and presence of efficient TNAP inhibitors. The differentiation capacity, expression of surface markers, and gene expression patterns of donor-matched dental cells were compared during this in vitro study. Differentiation assays showed efficient osteogenic but low adipogenic differentiation (aD) capacity of PDLSCs and DPSCs. TNAP inhibitor treatment completely abolished the mineralization process during osteogenic differentiation (oD). RNA-seq analysis in PDLSCs, comparing oD with and without TNAP inhibitor levamisole, showed clustered regulation of candidate molecular mechanisms that putatively impaired osteogenesis and mineralization, disequilibrated ECM production and turnover, and propagated inflammation. Combined alteration of cementum formation, mineralization, and elastic attachment of teeth to cementum via elastic fibers may explain dental key problems in HPP. Using this in vitro model of TNAP deficiency in DPSCs and PDLSCs, we provide novel putative target areas for research on molecular cues for specific dental problems in HPP.
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Affiliation(s)
- Hannah Melms
- Bernhard-Heine-Center for Locomotion Research, University of Würzburg, Würzburg, Germany; Department of Conservative Dentistry, School of Dental Medicine, University Hospital Tübingen, Tübingen, Germany
| | - Marietta Herrmann
- Bernhard-Heine-Center for Locomotion Research, University of Würzburg, Würzburg, Germany; IZKF Research Group Tissue Regeneration in Musculoskeletal Diseases, University Hospital Würzburg, Würzburg, Germany
| | - Konrad Förstner
- Core Unit SysMed, University of Würzburg, Würzburg, Germany; Institute for Information Sciences, University of Applied Sciences, Cologne, Germany; ZB MED - Information Centre for Life Science, Cologne, Germany
| | - Richa Bharti
- Core Unit SysMed, University of Würzburg, Würzburg, Germany; Department for Bioinformatics, Weihenstephan-Triesdorf University of Applied Sciences, TUM Campus Straubing for Biotechnology and Sustainability, Straubing, Germany
| | - Doris Schneider
- Bernhard-Heine-Center for Locomotion Research, University of Würzburg, Würzburg, Germany
| | - Birgit Mentrup
- Bernhard-Heine-Center for Locomotion Research, University of Würzburg, Würzburg, Germany; Department for Regenerative Musculoskeletal Medicine, University of Münster, Germany
| | - Maximilian Rudert
- Department of Orthopaedics, Orthopedic Department König-Ludwig-Haus, University of Würzburg, Würzburg, Germany
| | - Ulrich Schlagenhauf
- Department of Periodontology, University Clinics Würzburg, Würzburg, Germany
| | - Franz Jakob
- Bernhard-Heine-Center for Locomotion Research, University of Würzburg, Würzburg, Germany
| | - Stephanie Graser
- Bernhard-Heine-Center for Locomotion Research, University of Würzburg, Würzburg, Germany.
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19
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Pu X, Chai Y, Guan L, Li W, Gao J, Jiang Z, Li Q, Wu Y, Chen Y. Astragalus improve aging bone marrow mesenchymal stem cells (BMSCs) vitality and osteogenesis through VD-FGF23-Klotho axis. INTERNATIONAL JOURNAL OF CLINICAL AND EXPERIMENTAL PATHOLOGY 2020; 13:721-729. [PMID: 32355520 PMCID: PMC7191145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 03/06/2020] [Indexed: 06/11/2023]
Abstract
To clarify the regulation of astragalus on the aging BMSCs model and the effect of astragalus on Vitamin D (VD)-FGF23-Klotho axis. siRNA was used to interfere the expression of VDR gene in aging BMSCs. Serum containing astragalus in different concentrations was added to the cultured cells. The expression of osteocalcin and alkaline phosphatase were detected by alizarin red staining and ELISA. Cell vitality was detected by flow cytometry, CCK-8 test, and β-galactosidase staining. The expression of FGF23, Klotho, CYP27B1, and CYP24A1 was detected by qRT-PCR and western blot. The results showed that after reducing VDR gene expression, the aging BMSCs model showed decreased activity and osteogenic ability, increased expression of FGF23, Klotho and CYP24A1, and decreased expression of CYP27B1. After adding serum-containing astragalus, the activity of cells and the osteogenic ability was increased; the expression levels of FGF23, Klotho and CYP24A1 were decreased, the expression levels of CYP27B1 were increased, and the trend was more obvious with the increase of astragalus concentration. This study confirmed that astragalus could inhibit the aging of BMSCs and improve the osteogenesis ability by regulating the VD-FGF23-Klotho pathway. This study provided a certain research basis for the therapeutic of traditional Chinese medicine (TCM) on primary osteoporosis.
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Affiliation(s)
- Xiang Pu
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Yihui Chai
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Liancheng Guan
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Wen Li
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Jie Gao
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Zhibin Jiang
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Qian Li
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Yongzhen Wu
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
| | - Yunzhi Chen
- Department of Preclinical Medicine, Guizhou University of Traditional Chinese Medicine Guiyang 550025, Guizhou, China
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Yang R, Chen J, Zhang J, Qin R, Wang R, Qiu Y, Mao Z, Goltzman D, Miao D. 1,25-Dihydroxyvitamin D protects against age-related osteoporosis by a novel VDR-Ezh2-p16 signal axis. Aging Cell 2020; 19:e13095. [PMID: 31880094 PMCID: PMC6996957 DOI: 10.1111/acel.13095] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 11/18/2019] [Accepted: 12/07/2019] [Indexed: 12/30/2022] Open
Abstract
To determine whether 1,25-dihydroxyvitamin D (1,25(OH)2 D) can exert an anti-osteoporosis role through anti-aging mechanisms, we analyzed the bone phenotype of mice with 1,25(OH)2 D deficiency due to deletion of the enzyme, 25-hydroxyvitamin D 1α-hydroxylase, while on a rescue diet. 1,25(OH)2 D deficiency accelerated age-related bone loss by activating the p16/p19 senescence signaling pathway, inhibiting osteoblastic bone formation, and stimulating osteoclastic bone resorption, osteocyte senescence, and senescence-associated secretory phenotype (SASP). Supplementation of exogenous 1,25(OH)2 D3 corrected the osteoporotic phenotype caused by 1,25(OH)2 D deficiency or natural aging by inhibiting the p16/p19 pathway. The proliferation, osteogenic differentiation, and ectopic bone formation of bone marrow mesenchymal stem cells derived from mice with genetically induced deficiency of the vitamin D receptor (VDR) were significantly reduced by mechanisms including increased oxidative stress, DNA damage, and cellular senescence. We also demonstrated that p16 deletion largely rescued the osteoporotic phenotype caused by 1,25(OH)2 D3 deficiency, whereas 1,25(OH)2 D3 could up-regulate the enzyme Ezh2 via VDR-mediated transcription thereby enriching H3K27me3 and repressing p16/p19 transcription. Finally, we demonstrated that treatment with 1,25(OH)2 D3 improved the osteogenic defects of human BM-MSCs caused by repeated passages by stimulating their proliferation and inhibiting their senescence via the VDR-Ezh2-p16 axis. The results of this study therefore indicate that 1,25(OH)2 D3 plays a role in preventing age-related osteoporosis by up-regulating Ezh2 via VDR-mediated transcription, increasing H3K27me3 and repressing p16 transcription, thus promoting the proliferation and osteogenesis of BM-MSCs and inhibiting their senescence, while also stimulating osteoblastic bone formation, and inhibiting osteocyte senescence, SASP, and osteoclastic bone resorption.
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Affiliation(s)
- Renlei Yang
- The Research Center for Aging Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University Nanjing Medical University Nanjing China
- State Key Laboratory of Reproductive Medicine The Research Center for Bone and Stem Cells Department of Anatomy, Histology and Embryology Nanjing Medical University Nanjing China
| | - Jie Chen
- Department of Anesthesiology Central South University Changsha China
| | - Jiao Zhang
- State Key Laboratory of Reproductive Medicine The Research Center for Bone and Stem Cells Department of Anatomy, Histology and Embryology Nanjing Medical University Nanjing China
| | - Ran Qin
- State Key Laboratory of Reproductive Medicine The Research Center for Bone and Stem Cells Department of Anatomy, Histology and Embryology Nanjing Medical University Nanjing China
| | - Rong Wang
- State Key Laboratory of Reproductive Medicine The Research Center for Bone and Stem Cells Department of Anatomy, Histology and Embryology Nanjing Medical University Nanjing China
| | - Yue Qiu
- State Key Laboratory of Reproductive Medicine The Research Center for Bone and Stem Cells Department of Anatomy, Histology and Embryology Nanjing Medical University Nanjing China
| | - Zhiyuan Mao
- State Key Laboratory of Reproductive Medicine The Research Center for Bone and Stem Cells Department of Anatomy, Histology and Embryology Nanjing Medical University Nanjing China
| | - David Goltzman
- Calcium Research Laboratory McGill University Health Centre and Department of Medicine McGill University Montreal Quebec Canada
| | - Dengshun Miao
- The Research Center for Aging Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University Nanjing Medical University Nanjing China
- State Key Laboratory of Reproductive Medicine The Research Center for Bone and Stem Cells Department of Anatomy, Histology and Embryology Nanjing Medical University Nanjing China
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Increased Gene Expression of RUNX2 and SOX9 in Mesenchymal Circulating Progenitors Is Associated with Autophagy during Physical Activity. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:8426259. [PMID: 31737174 PMCID: PMC6815530 DOI: 10.1155/2019/8426259] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 07/22/2019] [Accepted: 08/09/2019] [Indexed: 12/14/2022]
Abstract
Lack of physical exercise is considered an important risk factor for chronic diseases. On the contrary, physical exercise reduces the morbidity rates of obesity, diabetes, bone disease, and hypertension. In order to gain novel molecular and cellular clues, we analyzed the effects of physical exercise on differentiation of mesenchymal circulating progenitor cells (M-CPCs) obtained from runners. We also investigated autophagy and telomerase-related gene expression to evaluate the involvement of specific cellular functions in the differentiation process. We performed cellular and molecular analyses in M-CPCs, obtained by a depletion method, of 22 subjects before (PRE RUN) and after (POST RUN) a half marathon performance. In order to prove our findings, we performed also in vitro analyses by testing the effects of runners' sera on a human bone marrow-derived mesenchymal stem (hBM-MSC) cell line. PCR array analyses of PRE RUN versus POST RUN M-CPC total RNAs put in evidence several genes which appeared to be modulated by physical activity. Our results showed that physical exercise promotes differentiation. Osteogenesis-related genes as RUNX2, MSX1, and SPP1 appeared to be upregulated after the run; data showed also increased levels of BMP2 and BMP6 expressions. SOX9, COL2A1, and COMP gene enhanced expression suggested the induction of chondrocytic differentiation as well. The expression of telomerase-associated genes and of two autophagy-related genes, ATG3 and ULK1, was also affected and correlated positively with MSC differentiation. These data highlight an attractive cellular scenario, outlining the role of autophagic response to physical exercise and suggesting new insights into the benefits of physical exercise in counteracting chronic degenerative conditions.
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Romeu Montenegro K, Carlessi R, Cruzat V, Newsholme P. Effects of vitamin D on primary human skeletal muscle cell proliferation, differentiation, protein synthesis and bioenergetics. J Steroid Biochem Mol Biol 2019; 193:105423. [PMID: 31279004 DOI: 10.1016/j.jsbmb.2019.105423] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 06/14/2019] [Accepted: 07/03/2019] [Indexed: 12/17/2022]
Abstract
The active form of Vitamin D (1,25(OH)2D), has been suggested to have a regulatory role in skeletal muscle function and metabolism, however, the effects and mechanisms of vitamin D (VitD) action in this tissue remain to be fully established. In this study, we have used primary human skeletal muscle myoblast (HSMM) cells that display typical characteristics of human skeletal muscle function and protein levels, to investigate the effects of the active form of VitD on proliferation, differentiation, protein synthesis and bioenergetics. Myoblast cells were treated with 100 nM of VitD for 24 h, 48 h, 72 h and five days (cells were differentiated into myotubes) and then analyses were performed. We report that VitD inhibits myoblast proliferation and enhances differentiation by altering the expression of myogenic regulatory factors. In addition, we found that protein synthesis signaling improved in myotubes after VitD treatment in the presence of insulin. We also report an increase in oxygen consumption rate after 24 h of treatment in myoblasts and after 5 days of treatment in myotubes after VitD exposure. VitD significantly impacted HSMM myogenesis, as well as protein synthesis in the presence of insulin.
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Affiliation(s)
- Karina Romeu Montenegro
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, 6102, Australia
| | - Rodrigo Carlessi
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, 6102, Australia
| | - Vinicius Cruzat
- Faculty of Health, Torrens University Australia, Melbourne, Victoria, 3000, Australia.
| | - Philip Newsholme
- School of Pharmacy and Biomedical Sciences, Curtin Health Innovation Research Institute, Curtin University, Perth, Western Australia, 6102, Australia.
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Ferri E, Casati M, Cesari M, Vitale G, Arosio B. Vitamin D in physiological and pathological aging: Lesson from centenarians. Rev Endocr Metab Disord 2019; 20:273-282. [PMID: 31654261 DOI: 10.1007/s11154-019-09522-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Vitamin D is a secosteroid hormone that exerts a pleiotropic action on a wide spectrum of tissues, apparatuses and systems. Thus, vitamin D has assumed an increasingly dominant role as a key determinant of biological mechanisms and specific clinical conditions. Older people frequently present vitamin D deficiency, a status potentially influencing several mechanisms responsible for different age-related diseases. Centenarians symbolize the ideal model for investigating the peculiar traits of longevity, as they have reached an age close to the estimated limit of the human lifespan. Interestingly, despite the profound heterogeneity of centenarians in terms of health status, all these people share the same condition of severe vitamin D deficiency, suggesting that they may have implemented a number of adaptive strategies to cope with the age-related physiological derangement of vitamin D metabolism. The lesson deriving from centenarians' experience suggests that: i) severe vitamin D deficiency does not preclude the possibility of reaching extreme longevity, ii) strategies to prevent hypovitaminosis D may be useful to slow down the processes of "fragilization" occurring in aged people, iii) beneficial effects of vitamin D supplementation need to be confirmed regarding longevity.
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Affiliation(s)
- Evelyn Ferri
- Geriatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Martina Casati
- Geriatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Matteo Cesari
- Geriatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
- Department of Clinical Sciences and Community Health (DISCCO), University of Milan, Via Pace 9, 20122, Milan, Italy
| | - Giovanni Vitale
- Department of Clinical Sciences and Community Health (DISCCO), University of Milan, Via Pace 9, 20122, Milan, Italy
- Istituto Auxologico Italiano, IRCCS, Laboratorio Sperimentale di Ricerche di Neuroendocrinologia Geriatrica ed Oncologica, Milan, Cusano Milanino, Italy
| | - Beatrice Arosio
- Geriatric Unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
- Department of Clinical Sciences and Community Health (DISCCO), University of Milan, Via Pace 9, 20122, Milan, Italy.
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Lima LAR, Lopes MJP, Costa RO, Lima FAV, Neves KRT, Calou IBF, Andrade GM, Viana GSB. Vitamin D protects dopaminergic neurons against neuroinflammation and oxidative stress in hemiparkinsonian rats. J Neuroinflammation 2018; 15:249. [PMID: 30170624 PMCID: PMC6119240 DOI: 10.1186/s12974-018-1266-6] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Accepted: 08/01/2018] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND The deficiency in 1α, 25-dihydroxyvitamin D3 (VD3) seems to increase the risk for neurodegenerative pathologies, including Parkinson's disease (PD). The majority of its actions are mediated by the transcription factor, VD3 receptor (VD3R). METHODS The neuroprotective effects of VD3 were investigated on a PD model. Male Wistar rats were divided into the following groups: sham-operated (SO), 6-OHDA-lesioned (non-treated), and 6-OHDA-lesioned and treated with VD3 (7 days before the lesion, pre-treatment or for 14 days after the 6-OHDA striatal lesion, post-treatment). Afterwards, the animals were subjected to behavioral tests and euthanized for striatal neurochemical and immunohistochemical assays. The data were analyzed by ANOVA and the Tukey test and considered significant for p < 0.05. RESULTS We showed that pre- or post-treatments with VD3 reversed behavioral changes and improved the decreased DA contents of the 6-OHDA group. In addition, VD3 reduced the oxidative stress, increased (TH and DAT), and reduced (TNF-alpha) immunostainings in the lesioned striata. While significant decreases in VD3R immunoreactivity were observed after the 6-OHDA lesion, these changes were blocked after VD3 pre- or post-treatments. We showed that VD3 offers neuroprotection, decreasing behavioral changes, DA depletion, and oxidative stress. In addition, it reverses partially or completely TH, DAT, TNF-alpha, and VD3R decreases of immunoreactivities in the non-treated 6-OHDA group. CONCLUSIONS Taken together, VD3 effects could result from its anti-inflammatory and antioxidant actions and from its actions on VD3R. These findings should stimulate translational research towards the VD3 potential for prevention or treatment of neurodegenerative diseases, as PD.
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Affiliation(s)
- Ludmila A R Lima
- Faculty of Medicine, Federal University of Ceará (UFC), Rua Barbosa de Freitas, 130/1100, Fortaleza, CE, 60170-020, Brazil
| | - Maria Janice P Lopes
- Faculty of Medicine Estácio of Juazeiro do Norte (Estácio/FMJ), Juazeiro do Norte, Brazil
| | - Roberta O Costa
- Faculty of Medicine Estácio of Juazeiro do Norte (Estácio/FMJ), Juazeiro do Norte, Brazil
| | - Francisco Arnaldo V Lima
- Faculty of Medicine, Federal University of Ceará (UFC), Rua Barbosa de Freitas, 130/1100, Fortaleza, CE, 60170-020, Brazil
| | - Kelly Rose T Neves
- Faculty of Medicine, Federal University of Ceará (UFC), Rua Barbosa de Freitas, 130/1100, Fortaleza, CE, 60170-020, Brazil
| | | | - Geanne M Andrade
- Faculty of Medicine, Federal University of Ceará (UFC), Rua Barbosa de Freitas, 130/1100, Fortaleza, CE, 60170-020, Brazil
| | - Glauce S B Viana
- Faculty of Medicine, Federal University of Ceará (UFC), Rua Barbosa de Freitas, 130/1100, Fortaleza, CE, 60170-020, Brazil.
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25
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Strategies to Enhance the Effectiveness of Adult Stem Cell Therapy for Ischemic Heart Diseases Affecting the Elderly Patients. Stem Cell Rev Rep 2017; 12:214-23. [PMID: 26779896 DOI: 10.1007/s12015-016-9642-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Myocardial infarctions and chronic ischemic heart disease both commonly and disproportionately affect elderly patients more than any other patient population. Despite available treatments, heart tissue is often permanently damaged as a result of cardiac injury. This review aims to summarize recent literature proposing the use of modified autologous adult stem cells to promote healing of post-infarct cardiac tissue. This novel cellular treatment involves isolation of adult stem cells from the patient, in vitro manipulation of these stem cells, and subsequent transplantation back into the patient's own heart to accelerate healing. One of the hindrances affecting this process is that cardiac issues are increasingly common in elderly patients, and stem cells recovered from their tissues tend to be pre-senescent or already in senescence. As a result, harsh in vitro manipulations can cause the aged stem cells to undergo massive in vivo apoptosis after transplantation. The consensus in literature is that inhibition or reversal of senescence onset in adult stem cells would be of utmost benefit. In fact, it is believed that this strategy may lower stem cell mortality and coerce aged stem cells into adopting more resilient phenotypes similar to that of their younger counterparts. This review will discuss a selection of the most efficient and most-recent strategies used experimentally to enhance the effectiveness of current stem cell therapies for ischemic heart diseases.
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Confalonieri D, La Marca M, van Dongen EMWM, Walles H, Ehlicke F. An Injectable Recombinant Collagen I Peptide–Based Macroporous Microcarrier Allows Superior Expansion of C2C12 and Human Bone Marrow-Derived Mesenchymal Stromal Cells and Supports Deposition of Mineralized Matrix. Tissue Eng Part A 2017; 23:946-957. [DOI: 10.1089/ten.tea.2016.0436] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Affiliation(s)
- Davide Confalonieri
- Translational Center Wuerzburg “Regenerative Therapies in Oncology and Musculoskeletal Disease,” Wuerzburg, Germany
| | | | | | - Heike Walles
- Translational Center Wuerzburg “Regenerative Therapies in Oncology and Musculoskeletal Disease,” Wuerzburg, Germany
- Department Tissue Engineering and Regenerative Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Franziska Ehlicke
- Department Tissue Engineering and Regenerative Medicine, University Hospital Wuerzburg, Wuerzburg, Germany
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27
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Morsczeck C, Hullmann M, Reck A, Reichert TE. The cell cycle regulator protein P16 and the cellular senescence of dental follicle cells. Mol Cell Biochem 2017; 439:45-52. [PMID: 28770470 DOI: 10.1007/s11010-017-3134-6] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Accepted: 07/26/2017] [Indexed: 01/27/2023]
Abstract
Cellular senescence is a restricting factor for regenerative therapies with somatic stem cells. We showed previously that the onset of cellular senescence inhibits the osteogenic differentiation in stem cells of the dental follicle (DFCs), although the mechanism remains elusive. Two different pathways are involved in the induction of the cellular senescence, which are driven either by the cell cycle protein P21 or by the cell cycle protein P16. In this study, we investigated the expression of cell cycle proteins in DFCs after the induction of cellular senescence. The induction of cellular senescence was proved by an increased expression of β-galactosidase and an increased population doubling time after a prolonged cell culture. Cellular senescence regulated the expression of cell cycle proteins. The expression of cell cycle protein P16 was up-regulated, which correlates with the induction of cellular senescence markers in DFCs. However, the expression of cyclin-dependent kinases (CDK)2 and 4 and the expression of the cell cycle protein P21 were successively decreased in DFCs. In conclusion, our data suggest that a P16-dependent pathway drives the induction of cellular senescence in DFCs.
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Affiliation(s)
- Christian Morsczeck
- Department of Oral and Maxillofacial Surgery, University Hospital Regensburg, Franz-Josef-Strauss-Allee 11, 93053, Regensburg, Germany.
| | - Markus Hullmann
- Department of Oral and Maxillofacial Surgery, University Hospital Regensburg, Franz-Josef-Strauss-Allee 11, 93053, Regensburg, Germany
| | - Anja Reck
- Department of Oral and Maxillofacial Surgery, University Hospital Regensburg, Franz-Josef-Strauss-Allee 11, 93053, Regensburg, Germany
| | - Torsten E Reichert
- Department of Oral and Maxillofacial Surgery, University Hospital Regensburg, Franz-Josef-Strauss-Allee 11, 93053, Regensburg, Germany
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28
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Vitamin D3 Modifies the Impacts of the Supernatants of Mesenchymal Stem Cells on Macrophages Functions. ACTA ACUST UNITED AC 2017. [DOI: 10.5812/zjrms.9761] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Lu S, Guo S, Hu F, Guo Y, Yan L, Ma W, Wang Y, Wei Y, Zhang Z, Wang Z. The Associations Between the Polymorphisms of Vitamin D Receptor and Coronary Artery Disease: A Systematic Review and Meta-Analysis. Medicine (Baltimore) 2016; 95:e3467. [PMID: 27227912 PMCID: PMC4902336 DOI: 10.1097/md.0000000000003467] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Vitamin D receptor (VDR) polymorphisms were indicated to be associated with coronary artery disease (CAD); however, published studies reported inconsistent results.The aim of this meta-analysis is to reach a more accurate estimation of the relationship between VDR genetic polymorphisms and CAD risk.Eligible studies were retrieved by searching PubMed, Embase, VIP, Wanfang and China National Knowledge Infrastructure databases. Included and excluded criteria were formulated. The case group was patients with CAD, and the control group was healthy subjects. Summary odds ratios (ORs) and 95% confidence intervals (CIs) were used to evaluate VDR polymorphisms associations with CAD risk. Heterogeneity was evaluated by Q statistic and I statistic.Seven studies of a total of 2306 CAD patients and 4151 control subjects met the inclusion criteria. The pooled results from Taq1 showed increased risk in allelic model (OR = 1.14, 95% CI = 1.02-1.28), dominant model (OR = 1.21, 95% CI = 1.02-1.43), heterozygote model (OR = 1.19, 95% CI = 1.00-1.1.42), and homozygote model (OR = 1.27, 95% CI = 1.01-1.61). Besides, Fok1 T > C showed decreased risk in allelic model (OR = 0.81, 95% CI = 0.65-1.00) and Fok1 A > G also showed decreased risk in allelic model (OR = 0.67, 95% CI = 0.45-1.00) and recessive model (OR = 0.55, 95% CI = 0.31-0.97). In Caucasian subgroup, Bsm1showed increased risk in allelic model (OR = 1.23, 95% CI = 1.02-1.47), heterozygote model (OR = 1.20, 95% CI = 1.00-1.44), and homozygote model (OR = 1.22, 95% CI = 1.02-1.45). In CAD patients with type 2 diabetes mellitus (T2DM), Apa1showed a decreased risk in heterozygote model (OR = 0.80, 95% CI = 0.66-0.98); however, increased risk in recessive model (OR = 5.00, 95% CI = 2.74-9.13) was discovered in CAD patients without T2DM.The Fok1 polymorphism may play a protective role in CAD, and the possible protective role in Apa1 CA genotype in CAD patients with T2DM needs further studies. The Taq1 polymorphism is found to be associated with a significant increase in CAD risk based on our analysis; moreover, increased risk in Apa1 polymorphism in CAD patients without T2DM and Bsm1 polymorphism in Caucasian group is also detected.
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Affiliation(s)
- Shuai Lu
- From the Department of Cardiology (SL, FH, LY, WM, YW, YW, ZW), Union Hospital, Huazhong University of Science and Technology, Wuhan; Department of Endocrinology and Metabolism (SG, ZZ), Huashan Hospital, Fudan University, Shanghai; and Department of Health Management (YG), Hangzhou Normal University, Hangzhou, People's Republic of China
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Yang J, Chen Q, Tian S, Song S, Liu F, Wang Q, Fu Z. The role of 1,25-dyhydroxyvitamin D3 in mouse liver ischemia reperfusion injury: regulation of autophagy through activation of MEK/ERK signaling and PTEN/PI3K/Akt/mTORC1 signaling. Am J Transl Res 2015; 7:2630-2645. [PMID: 26885262 PMCID: PMC4731662] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2015] [Accepted: 11/18/2015] [Indexed: 06/05/2023]
Abstract
Autophagy is an important mechanism for cellular homeostasis and survival during pathologic stress conditions in the liver, such as ischemia-reperfusion injury. In this study, we hypothesized a protective role of vitamin Din hepatic IR model. The administration of vitamin D displayed significantly preserved liver function as characterized by less histological damage and reduced serum enzymes level. We found that the protective effect was associated with ameliorated oxidative stress as manifested by the increase of antioxidant capacity and decrease of lipid peroxidation. Further, increased autophagic flux after vitamin D administration was demonstrated by the increase of protein light chain 3 (LC3) conversion both in vivo and in vitro. MEK/ERK and PTEN/PI3K/Akt/mTOR were both found critically involved in vitamin D-induced autophagy. By employing intracellular ROS and cell viability assay, we further confirmed this hypothesis with the observation that inhibition either of the MEK/ERK or PTEN/PI3K/Akt/mTOR pathway partly abolished the protective effect of vitamin D-induced autophagy, while inhibiting initiation of autophagy signaling pathway by knockdown of Beclin-1 completely reversed the protection provided by vitamin D. Collectively, the present results indicate that the protective role of vitamin D in murine hepatic IR injury is autophagy dependent, which is regulated by both MEK/ERK and PTEN/PI3K/Akt/mTOR pathway.
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Affiliation(s)
- Jinghui Yang
- Department of Organ Transplantation, Shanghai Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Qi Chen
- Department of Health Statistics, Second Military Medical UniversityShanghai, China
| | - Shiyin Tian
- Department of Health Statistics, Second Military Medical UniversityShanghai, China
| | - Shaohua Song
- Department of Organ Transplantation, Shanghai Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Fang Liu
- Department of Organ Transplantation, Shanghai Changzheng Hospital, Second Military Medical UniversityShanghai, China
| | - Quanxing Wang
- National Key Laboratory of Medical Immunology, Second Military Medical UniversityShanghai, China
| | - Zhiren Fu
- Department of Organ Transplantation, Shanghai Changzheng Hospital, Second Military Medical UniversityShanghai, China
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31
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Girgis CM, Baldock PA, Downes M. Vitamin D, muscle and bone: Integrating effects in development, aging and injury. Mol Cell Endocrinol 2015; 410:3-10. [PMID: 25837735 DOI: 10.1016/j.mce.2015.03.020] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2014] [Revised: 03/24/2015] [Accepted: 03/24/2015] [Indexed: 12/14/2022]
Abstract
Beyond the established effects of muscle loading on bone, a complex network of hormones and growth factors integrates these adjacent tissues. One such hormone, vitamin D, exerts broad-ranging effects in muscle and bone calcium handling, differentiation and development. Vitamin D also modulates muscle and bone-derived hormones, potentially facilitating cross-talk between these tissues. In the clinical setting, vitamin D deficiency or mutations of the vitamin D receptor result in generalized atrophy of muscle and bone, suggesting coordinated effects of vitamin D at these sites. In this review, we discuss emerging evidence that vitamin D exerts specific effects throughout the life of the musculoskeletal system - in development, aging and injury. From this holistic viewpoint, we offer new insights into an old debate: whether vitamin D's effects in the musculoskeletal system are direct via local VDR signals or indirect via its systemic effects in calcium and phosphate homeostasis.
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Affiliation(s)
- Christian M Girgis
- Westmead Millennium Institute for Medical Research, Sydney, NSW, Australia; Faculty of Medicine, University of Sydney, Sydney, NSW, Australia; Garvan Institute of Medical Research, Sydney, NSW, Australia.
| | - Paul A Baldock
- Garvan Institute of Medical Research, Sydney, NSW, Australia
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Motlagh BM, Ahangaran NA, Froushani SMA. Calcitriol modulates the effects of bone marrow-derived mesenchymal stem cells on macrophage functions. IRANIAN JOURNAL OF BASIC MEDICAL SCIENCES 2015; 18:672-6. [PMID: 26351558 PMCID: PMC4556760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2014] [Accepted: 05/13/2015] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Some evidence showed that calcitriol has an important role in regulating growth and differentiation of mesenchymal stem cells (MSCs). However, the interaction between mesenchymal stem cells and macrophage is not clear yet. The current study was done to investigate the in vitro effects of calcitriol on the interactions between bone marrow-derived MSCs and rat macrophages. MATERIALS AND METHODS MSCs were isolated from rat bone marrow and pulsed with different concentrations of calcitriol (50, 100 and 200 nanomolar) for 24, 48 and 72 hr. Then, mesenchymal stem cells were co-cultured with macrophages for 4 hr. Finally, macrophages were evaluated for ability to uptake neutral red, phagocytosis activity against opsonized yeast, respiratory burst and viability. RESULTS Our data showed that bone marrow-derived MSCs pulsed with calcitriol may cause a significant increase in uptake of neutral red and phagocytic activity of opsonized heat killed baker's yeast. Moreover, treatment of MSCs with calcitriol enhanced macrophage viability. Nevertheless, the respiratory burst of macrophages was significantly reduced in macrophages co-cultured with calcitriol-treated MSCs compared to control group. CONCLUSION Calcitriol may accelerate and potentiate anti-inflammatory M2 macrophage polarization by MSCs.
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Affiliation(s)
| | - Nahideh Afzale Ahangaran
- Department of Microbiology, Veterinary Faculty, Urmia University, Urmia, Iran,Corresponding author: Nahideh Afzale Ahangaran. Department of Microbiology, Veterinary Faculty, Urmia University, Urmia, Iran. Tel: +98-9143411740;
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Severe vitamin D deficiency in patients with Kawasaki disease: a potential role in the risk to develop heart vascular abnormalities? Clin Rheumatol 2015; 35:1865-72. [PMID: 25994612 DOI: 10.1007/s10067-015-2970-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Revised: 04/19/2015] [Accepted: 05/07/2015] [Indexed: 12/19/2022]
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Wong TY, Solis MA, Chen YH, Huang LLH. Molecular mechanism of extrinsic factors affecting anti-aging of stem cells. World J Stem Cells 2015; 7:512-520. [PMID: 25815136 PMCID: PMC4369508 DOI: 10.4252/wjsc.v7.i2.512] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 10/02/2014] [Accepted: 11/19/2014] [Indexed: 02/06/2023] Open
Abstract
Scientific evidence suggests that stem cells possess the anti-aging ability to self-renew and maintain differentiation potentials, and quiescent state. The objective of this review is to discuss the micro-environment where stem cells reside in vivo, the secreted factors to which stem cells are exposed, the hypoxic environment, and intracellular factors including genome stability, mitochondria integrity, epigenetic regulators, calorie restrictions, nutrients, and vitamin D. Secreted tumor growth factor-β and fibroblast growth factor-2 are reported to play a role in stem cell quiescence. Extracellular matrices may interact with caveolin-1, the lipid raft on cell membrane to regulate quiescence. N-cadherin, the adhesive protein on niche cells provides support for stem cells. The hypoxic micro-environment turns on hypoxia-inducible factor-1 to prevent mesenchymal stem cells aging through p16 and p21 down-regulation. Mitochondria express glucosephosphate isomerase to undergo glycolysis and prevent cellular aging. Epigenetic regulators such as p300, protein inhibitors of activated Stats and H19 help maintain stem cell quiescence. In addition, calorie restriction may lead to secretion of paracrines cyclic ADP-ribose by intestinal niche cells, which help maintain intestinal stem cells. In conclusion, it is crucial to understand the anti-aging phenomena of stem cells at the molecular level so that the key to solving the aging mystery may be unlocked.
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Jang W, Park HH, Lee KY, Lee YJ, Kim HT, Koh SH. 1,25-dyhydroxyvitamin D3 Attenuates l-DOPA-Induced Neurotoxicity in Neural Stem Cells. Mol Neurobiol 2014; 51:558-70. [DOI: 10.1007/s12035-014-8835-1] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Accepted: 07/25/2014] [Indexed: 11/27/2022]
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Jang W, Kim HJ, Li H, Jo KD, Lee MK, Song SH, Yang HO. 1,25-Dyhydroxyvitamin D3 attenuates rotenone-induced neurotoxicity in SH-SY5Y cells through induction of autophagy. Biochem Biophys Res Commun 2014; 451:142-7. [DOI: 10.1016/j.bbrc.2014.07.081] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2014] [Accepted: 07/17/2014] [Indexed: 11/25/2022]
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The role of vitamin D deficiency and vitamin d receptor genotypes on the degree of collateralization in patients with suspected coronary artery disease. BIOMED RESEARCH INTERNATIONAL 2014; 2014:304250. [PMID: 24729966 PMCID: PMC3963370 DOI: 10.1155/2014/304250] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 01/20/2014] [Accepted: 01/25/2014] [Indexed: 01/06/2023]
Abstract
We determined the association of vitamin D deficiency and the FokI polymorphism of the vitamin D receptor (VDR) gene in 760 patients who underwent angiography due to suspected coronary artery disease (CAD). Angiography and the Rentrop scoring system were used to classify the severity of CAD in each patient and to grade the extent of collateral development, respectively. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) was used to determine the FokI VDR gene polymorphism. The prevalence of severe vitamin D deficiency (serum 25(OH)D<10 ng/mL) was significantly higher in patients with at least one stenotic coronary artery compared to those without any stenotic coronary arteries. Severe vitamin D deficiency was not independently associated with collateralization, but it was significantly associated with the VDR genotypes. In turn, VDR genotype was independently associated with the degree of collateralization; the Rentrop scores were the highest in FF, intermediate in Ff, and the lowest in the ff genotype. The results show that FokI polymorphism is independently associated with collateralization. Additionally, vitamin D deficiency is more prevalent in patients with CAD that may result from FokI polymorphism. Therefore, maintaining a normal vitamin D status should be a high priority for patients with CAD.
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Darzynkiewicz Z, Zhao H, Halicka HD, Li J, Lee YS, Hsieh TC, Wu JM. In search of antiaging modalities: evaluation of mTOR- and ROS/DNA damage-signaling by cytometry. Cytometry A 2014; 85:386-99. [PMID: 24677687 DOI: 10.1002/cyto.a.22452] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 02/06/2014] [Accepted: 06/02/2014] [Indexed: 12/31/2022]
Abstract
This review presents the evidence in support of the IGF-1/mTOR/S6K1 signaling as the primary factor contributing to aging and cellular senescence. Reviewed are also specific interactions between mTOR/S6K1 and ROS-DNA damage signaling pathways. Outlined are critical sites along these pathways, including autophagy, as targets for potential antiaging (gero-suppressive) and/or chemopreventive agents. Presented are applications of flow- and laser scanning- cytometry utilizing phospho-specific Abs, to monitor activation along these pathways in response to the reported antiaging drugs rapamycin, metformin, berberine, resveratrol, vitamin D3, 2-deoxyglucose, and acetylsalicylic acid. Specifically, effectiveness of these agents to attenuate the level of constitutive mTOR signaling was tested by cytometry and confirmed by Western blotting through measuring phosphorylation of the mTOR-downstream targets including ribosomal protein S6. The ratiometric analysis of phosphorylated to total protein along the mTOR pathway offers a useful parameter reporting the effects of gero-suppressive agents. In parallel, their ability to suppress the level of constitutive DNA damage signaling induced by endogenous ROS was measured. While the primary target of each of these agents may be different the data obtained on several human cancer cell lines, WI-38 fibroblasts and normal lymphocytes suggest common downstream mechanism in which the decline in mTOR/S6K1 signaling and translation rate is coupled with a reduction of oxidative phosphorylation and ROS that leads to decreased oxidative DNA damage. The combined assessment of constitutive γH2AX expression, mitochondrial activity (ROS, ΔΨm), and mTOR signaling provides an adequate gamut of cell responses to test effectiveness of gero-suppressive agents. Described is also an in vitro model of induction of cellular senescence by persistent replication stress, its quantitative analysis by laser scanning cytometry, and application to detect the property of the studied agents to attenuate the induction of senescence. Discussed is cytometric analysis of cell size and heterogeneity of size as a potential biomarker used to asses gero-suppressive agents and longevity.
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Affiliation(s)
- Zbigniew Darzynkiewicz
- Brander Cancer Research Institute and Department of Pathology, New York Medical College, Valhalla, New York, 10595
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Girgis CM, Clifton-Bligh RJ, Mokbel N, Cheng K, Gunton JE. Vitamin D signaling regulates proliferation, differentiation, and myotube size in C2C12 skeletal muscle cells. Endocrinology 2014; 155:347-57. [PMID: 24280059 DOI: 10.1210/en.2013-1205] [Citation(s) in RCA: 155] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Vitamin D deficiency is linked to a range of muscle disorders including myalgia, muscle weakness, and falls. Humans with severe vitamin D deficiency and mice with transgenic vitamin D receptor (VDR) ablation have muscle fiber atrophy. However, molecular mechanisms by which vitamin D influences muscle function and fiber size remain unclear. A central question is whether VDR is expressed in skeletal muscle and is able to regulate transcription at this site. To address this, we examined key molecular and morphologic changes in C2C12 cells treated with 25-hydroxyvitamin D (25OHD) and 1,25-dihydroxyvitamin D (1,25(OH)(2)D). As well as stimulating VDR expression, 25(OH)D and 1,25(OH)(2)D dose-dependently increased expression of the classic vitamin D target cytochrome P450, family 24, subfamily A, polypeptide 1 (CYP24A1), demonstrating the presence of an autoregulatory vitamin D-endocrine system in these cells. Luciferase reporter studies demonstrated that cytochrome P450, family 27, subfamily B, polypeptide 1 (CYP27B1) was functional in these cells. Both 25OHD and 1,25(OH)(2)D altered C2C12 proliferation and differentiation. These effects were related to the increased expression of genes involved in G(0)/G(1) arrest (retinoblastoma protein [Rb], 1.3-fold; ATM, 1.5-fold, both P < .05), downregulation of mRNAs involved in G(1)/S transition, including myc and cyclin-D1 (0.7- and 0.8-fold, both P < .05) and reduced phosphorylation of Rb protein (0.3-fold, P < .005). After serum depletion, 1,25(OH)(2)D (100nM) suppressed myotube formation with decreased mRNAs for key myogenic regulatory factors (myogenin, 0.5-fold; myf5, 0.4-fold, P < .005) but led to a 1.8-fold increase in cross-sectional size of individual myotubes associated with markedly decreased myostatin expression (0.2-fold, P < .005). These data show that vitamin D signaling alters gene expression in C2C12 cells, with effects on proliferation, differentiation, and myotube size.
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Affiliation(s)
- Christian M Girgis
- Garvan Institute of Medical Research (C.M.G., N.M., K.C., J.E.G.), Sydney, New South Wales 2010, Australia; Faculty of Medicine (C.M.G., R.J.C.-B., J.E.G.), University of Sydney, Sydney, New South Wales 2008, Australia; The Kolling Institute of Medical Research (R.J.C.-B.) and Royal North Shore Hospital (R.J.C.-B.), Sydney, New South Wales 2065, Australia; Department of Endocrinology and Diabetes (J.E.G.), Westmead Hospital, Sydney, New South Wales 2145, Australia; and St Vincent's Clinical School (J.E.G.), University of New South Wales, Sydney, New South Wales 2052, Australia
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Narvaez CJ, Simmons KM, Brunton J, Salinero A, Chittur SV, Welsh JE. Induction of STEAP4 correlates with 1,25-dihydroxyvitamin D3 stimulation of adipogenesis in mesenchymal progenitor cells derived from human adipose tissue. J Cell Physiol 2013; 228:2024-36. [PMID: 23553608 DOI: 10.1002/jcp.24371] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 03/15/2013] [Indexed: 01/01/2023]
Abstract
The vitamin D receptor (VDR) is expressed in human adipocytes and is transiently induced during early adipogenesis in mesenchymal progenitor cell models. VDR null mice exhibit enhanced energy expenditure and reduced adiposity even when fed high fat diets. Adipocyte-specific transgenic-expression of human VDR in mice enhances adipose tissue mass, indicating that VDR activation in adipocytes enhances lipid storage in vivo. In these studies, we conducted genomic profiling and differentiation assays in primary cultures of human adipose-derived mesenchymal progenitor cells to define the role of the VDR and its ligand 1,25-dihydroxyvitamin D3 (1,25D) in adipogenesis. In the presence of adipogenic media, 1,25D promoted lipid accumulation and enhanced the expression of FABP4, FASN, and PPARγ. Mesenchymal cells derived from 6-month old VDR null mice exhibited impaired adipogenesis ex vivo but differentiation was restored by stable expression of human VDR. STEAP4, a gene that encodes a metalloreductase linked to obesity, insulin sensitivity, metabolic homeostasis and inflammation, was highly induced in human adipose cells differentiated in the presence of 1,25D but was minimally affected by 1,25D in undifferentiated precursors. These studies provide a molecular basis for recent epidemiological associations between vitamin D status, body weight and insulin resistance which may have relevance for prevention or treatment of metabolic syndrome and obesity.
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Affiliation(s)
- C J Narvaez
- Department of Biomedical Sciences, University at Albany, Albany, NY 12144, USA
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Stochaj U, Kodiha M, Shum-Tim D, Colmegna I. Implications of multipotent mesenchymal stromal cell aging. Regen Med 2013; 8:211-22. [PMID: 23477400 DOI: 10.2217/rme.13.10] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Aging is defined as the progressive and generalized impairment of function, resulting in an increasing vulnerability to environmental challenges and a growing risk of disease and death. The decline in the regenerative capacity of resident stem cells across different tissues is a central mediator of aging. In this paper we review the evidence implicating multipotent mesenchymal stromal cells as being subject to and causes of tissue and organismal aging. We specifically discuss the nuclear changes that occur in the context of Hutchinson-Gilford progeria syndrome, a premature aging syndrome that preferentially affects tissues of mesenchymal origin.
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Affiliation(s)
- Ursula Stochaj
- Department of Physiology, McGill University, McIntyre Medical Sciences Building, Room 1115, 3655 Promenade Sir William Osler, Montréal, Québec H3G 1Y6, Canada
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Halicka HD, Zhao H, Li J, Lee YS, Hsieh TC, Wu JM, Darzynkiewicz Z. Potential anti-aging agents suppress the level of constitutive mTOR- and DNA damage- signaling. Aging (Albany NY) 2013; 4:952-65. [PMID: 23363784 PMCID: PMC3615161 DOI: 10.18632/aging.100521] [Citation(s) in RCA: 80] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Two different mechanisms are considered to be the primary cause of aging. Cumulative DNA damage caused by reactive oxygen species (ROS), the by-products of oxidative phosphorylation, is one of these mechanisms (ROS concept). Constitutive stimulation of mitogen- and nutrient-sensing mTOR/S6 signaling is the second mechanism (TOR concept). The flow- and laser scanning- cytometric methods were developed to measure the level of the constitutive DNA damage/ROS- as well as of mTOR/S6- signaling in individual cells. Specifically, persistent activation of ATM and expression of γH2AX in untreated cells appears to report constitutive DNA damage induced by endogenous ROS. The level of phosphorylation of Ser235/236-ribosomal protein (RP), of Ser2448-mTOR and of Ser65-4EBP1, informs on constitutive signaling along the mTOR/S6 pathway. Potential gero-suppressive agents rapamycin, metformin, 2-deoxyglucose, berberine, resveratrol, vitamin D3 and aspirin, all decreased the level of constitutive DNA damage signaling as seen by the reduced expression of γH2AX in proliferating A549, TK6, WI-38 cells and in mitogenically stimulated human lymphocytes. They all also decreased the level of intracellular ROS and mitochondrial trans-membrane potential ΔΨm, the marker of mitochondrial energizing as well as reduced phosphorylation of mTOR, RP-S6 and 4EBP1. The most effective was rapamycin. Although the primary target of each on these agents may be different the data are consistent with the downstream mechanism in which the decline in mTOR/S6K signaling and translation rate is coupled with a decrease in oxidative phosphorylation, (revealed by ΔΨm) that leads to reduction of ROS and oxidative DNA damage. The decreased rate of translation induced by these agents may slow down cells hypertrophy and alleviate other features of cell aging/senescence. Reduction of oxidative DNA damage may lower predisposition to neoplastic transformation which otherwise may result from errors in repair of DNA sites coding for oncogenes or tumor suppressor genes. The data suggest that combined assessment of constitutive γH2AX expression, mitochondrial activity (ROS, ΔΨm) and mTOR signaling provides an adequate gamut of cell responses to evaluate effectiveness of gero-suppressive agents.
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Affiliation(s)
- H Dorota Halicka
- Brander Cancer Research Institute, Department of Pathology, New York Medical College, Valhalla, NY 10595, USA
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Suhr F, Delhasse Y, Bungartz G, Schmidt A, Pfannkuche K, Bloch W. Cell biological effects of mechanical stimulations generated by focused extracorporeal shock wave applications on cultured human bone marrow stromal cells. Stem Cell Res 2013; 11:951-64. [PMID: 23880536 DOI: 10.1016/j.scr.2013.05.010] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2012] [Revised: 03/20/2013] [Accepted: 05/18/2013] [Indexed: 12/13/2022] Open
Abstract
Human bone marrow stromal cells (hBMSCs) bear tremendous clinical potential due to their immunomodulatory properties in transplantation settings and their contribution to tissue regeneration. In fact, they are among the most promising types of stem-like cells for therapeutic applications and are the subject of intense research. However, the clinical use of hBMSCs has been confounded by limitations in their availability; they are scarce cells cumbersome to isolate and purify. Additionally, they are difficult to target to the site of injury in regeneration experiments. In order to combat these limitations, focused extracorporeal shock waves (fESW, 0.2/0.3mJ∗mm(-2)) were applied to purified, cultured hBMSCs. fESW (0.2mJ∗mm(-2)) stimulations were found to increase hBMSCs' growth rate (p<0.05), proliferation (p<0.05), migration, cell tracking and wound healing (p<0.05, respectively), as well as to reduce the rate of apoptosis activation (p<0.05). The increase in hBMSC migration behavior was found to be mediated by active remodeling of the actin cytoskeleton as indicated by increased directed stress fiber formations (p<0.05). Furthermore, hBMSCs maintain their differentiation potentials after fESW treatment, whereas 0.2mJ∗mm(-2) is the most effective application. In conclusion, our results establish first-timely that hBMSCs' behavior can be modified and optimized in response to defined mechanical stimulation. These findings appear particularly promising as they suggest that mechanical stress preconditions hBMSCs for improved therapeutic performance without genetic manipulations and that mechanically preconditioned hBMSCs will be advantageous for hBMSC-based tissue regeneration. Therefore, this approach opens the door for exploiting the full potential of these cells in regenerative medicine.
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Affiliation(s)
- Frank Suhr
- Institute of Cardiovascular Research and Sport Medicine, Department of Molecular and Cellular Sport Medicine, German Sport University Cologne, Cologne, Germany.
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Halicka HD, Zhao H, Li J, Traganos F, Studzinski GP, Darzynkiewicz Z. Attenuation of constitutive DNA damage signaling by 1,25-dihydroxyvitamin D3. Aging (Albany NY) 2012; 4:270-8. [PMID: 22498490 PMCID: PMC3371762 DOI: 10.18632/aging.100450] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
In addition to its traditional role in the regulation of calcium homeostasis and bone metabolism, vitamin D also exhibits immunomodulatory, anti-proliferative and cancer preventive activities. Molecular mechanisms that confer the chemo-preventive properties to vitamin D are poorly understood. We previously reported that constitutive phosphorylation of histone H2AX on Ser139 (γH2AX) and activation of ATM (Ser1981 phosphorylation), seen in untreated normal or tumor cells predominantly in S phase of the cell cycle, is to a large extent indicative of DNA replication stress occurring as a result of persistent DNA damage caused by endogenous oxidants, by-products of oxidative metabolism. In the present study we observed that exposure of mitogenically stimulated human lymphocytes, pulmonary carcinoma A549 and lymphoblastoid TK6 cells to 1,25-dihydroxyvitamin D3 (1,25-VD) reduced the level of constitutive expression of γH2AX and ATM-S1981P. We also observed that the H2O2-induced rise in the level of γH2AX in lymphocytes was attenuated by 1,25-VD. Whereas in lymphocytes 1,25-VD reduced by 50-70% the level of endogenous oxidants as determined by their ability to oxidize 2,7-dichlorodihydrofluorescein (DCFH) in A549 and TK6 cells the attenuation of DNA damage signaling by 1,25-VD was seen in the absence of detectable reduction in DCFH oxidation. These findings suggest that while the anti-oxidant activity of 1,25-VD may contribute to a reduction in the intensity of DNA replication stress in lymphocytes, other factors play a role in the 1,25-VD effects seen in A549 and TK6 cells. The data are consistent with the recent report on the interaction between DNA damage signaling (ATM activation) and 1,25D receptor (VDR) phosphorylation that lead to enhancement of DNA repair efficiency, and provide further support for the chemo-preventive and anti-aging properties of this vitamin/hormone.
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Affiliation(s)
- H Dorota Halicka
- Brander Cancer Research Institute and Department of Pathology, New York Medical College, Valhalla, NY 10595, USA
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Boucher BJ. The problems of vitamin d insufficiency in older people. Aging Dis 2012; 3:313-29. [PMID: 23185713 PMCID: PMC3501367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2012] [Revised: 05/28/2012] [Accepted: 05/30/2012] [Indexed: 11/07/2023] Open
Abstract
This report reviews evidence on disorders related to inadequate vitamin D repletion in older people. Vitamin D is as essential for bone health in adults as in children, preventing osteomalacia and muscle weakness and protecting against falls and low-impact fractures. Vitamin D is provided by skin synthesis by UVB-irradiation from summer sunshine and to a small extent by absorption from food. However, these processes become less efficient with age. Loss of mobility or residential care restricts solar exposure. Reduced appetite and financial problems often add to these problems. Thus, hypovitaminosis D is common world-wide, but is more common and more severe in older people. Non-classical effects of vitamin D, depending on serum circulating 25-hydroxyvitamin D concentrations, are present in most non-bony tissues; disorders associated with hypovitaminosis D include increased risks of sepsis [bacterial, mycobacterial and viral], cardiovascular and metabolic disorders [e.g. hyperlipidemia, type 2 diabetes mellitus, acute vascular events, dementia, stroke and heart failure]. Many cancer risks are associated with vitamin D inadequacy, though causality is accepted only for colo-rectal cancer. Maintenance of repletion in healthy older people requires intakes of ≥800IU/day [20μg], as advised by the Institute of Medicine [IOM], but achieving such intakes usually requires supplementation. Excessive intakes are dangerous, especially in undiagnosed primary hyperparathyroidism or sarcoidosis, but the IOM finds doses <4000 IU/day are safe. Many experts suggest that ≥1000-2000 IU [25-50μg] of vitamin D daily is necessary for older people, especially when independence is lost, or hypovitaminosis D could add to the clinical problem[s]. Much higher doses than these are needed for treatment of established deficiency or insufficiency.
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Affiliation(s)
- Barbara J Boucher
- Queen Mary University of London, Centre for Diabetes, Blizard Institute, London, E12AT, UK
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Steinert AF, Weissenberger M, Kunz M, Gilbert F, Ghivizzani SC, Göbel S, Jakob F, Nöth U, Rudert M. Indian hedgehog gene transfer is a chondrogenic inducer of human mesenchymal stem cells. Arthritis Res Ther 2012; 14:R168. [PMID: 22817660 PMCID: PMC3580562 DOI: 10.1186/ar3921] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2012] [Accepted: 07/20/2012] [Indexed: 02/07/2023] Open
Abstract
Introduction To date, no single most-appropriate factor or delivery method has been identified for the purpose of mesenchymal stem cell (MSC)-based treatment of cartilage injury. Therefore, in this study we tested whether gene delivery of the growth factor Indian hedgehog (IHH) was able to induce chondrogenesis in human primary MSCs, and whether it was possible by such an approach to modulate the appearance of chondrogenic hypertrophy in pellet cultures in vitro. Methods First-generation adenoviral vectors encoding the cDNA of the human IHH gene were created by cre-lox recombination and used alone or in combination with adenoviral vectors, bone morphogenetic protein-2 (Ad.BMP-2), or transforming growth factor beta-1 (Ad.TGF-β1) to transduce human bone-marrow derived MSCs at 5 × 102 infectious particles/cell. Thereafter, 3 × 105 cells were seeded into aggregates and cultured for 3 weeks in serum-free medium, with untransduced or marker gene transduced cultures as controls. Transgene expressions were determined by ELISA, and aggregates were analysed histologically, immunohistochemically, biochemically and by RT-PCR for chondrogenesis and hypertrophy. Results IHH, TGF-β1 and BMP-2 genes were equipotent inducers of chondrogenesis in primary MSCs, as evidenced by strong staining for proteoglycans, collagen type II, increased levels of glycosaminoglycan synthesis, and expression of mRNAs associated with chondrogenesis. IHH-modified aggregates, alone or in combination, also showed a tendency to progress towards hypertrophy, as judged by the expression of alkaline phosphatase and stainings for collagen type X and Annexin 5. Conclusion As this study provides evidence for chondrogenic induction of MSC aggregates in vitro via IHH gene delivery, this technology may be efficiently employed for generating cartilaginous repair tissues in vivo.
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