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      Systemic Supplement with Resveratrol Increased Bone Formation in Rats’ Alveolar Socket Translated title: Aumento de la Formación Ósea en el Hueso Alveolar de Rata con Suplemento Sistémico con Resveratrol

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          Abstract

          SUMMARY: Resveratrol in cell culture media increases osteoblastic markers. Also results from previous studies provide evidence for resveratrol positive effects on bone healing and bone production. In this preclinical study we investigated bone healing in rats by resveratrol systemic application. 30 Wistar male rats were divided into two groups (study group and control group). At first, maxillary second molars of rats were extracted. The rats were kept in laboratory for next 28 days. Study group received resveratrol 20 mg/kg by abdominal injection every day. The control group received placebo in the same manner that study group. Rats were sacrificed after 28 days and bone samples were collected from center of maxillary second molar socket. Samples were evaluated histologically for new bone formation, inflammation, necrosis, fibrosis and foreign body reaction. The mean difference of new bone formation in control group (28.30 %) and study group (45 %) were statistically significant (P=0.014). There were no significant differences in inflammation, fibrosis, necrosis and foreign body reaction (P>0.05). Resveratrol has positive effects on bone healing but more evidence needed from more clinical and animal studies.

          Translated abstract

          RESUMEN: El resveratrol en los medios de cultivo celular aumenta los marcadores osteoblásticos. Los resultados de estudios anteriores proporcionan evidencia de efectos positivos del resveratrol sobre la curación ósea y la producción ósea. En este estudio preclínico, investigamos la curación ósea en ratas mediante la aplicación sistémica de resveratrol. Se dividieron 30 ratas macho Wistar en dos grupos (estudio y control). Inicialmente se extrajeron los segundos molares maxilares de las ratas y los animales se mantuvieron en el laboratorio durante los siguientes 28 días. El grupo de estudio recibió todos los días resveratrol 20 mg/kg por inyección abdominal . El grupo control recibió placebo de la misma manera que el grupo estudio. Las ratas fueron sacrificadas después de 28 días y se recogieron muestras de hueso del centro del segundo molar maxilar. Las muestras se evaluaron histológicamente para la formación de hueso nuevo, inflamación, necrosis, fibrosis y reacción de cuerpo extraño. La media de formación de hueso nuevo en el grupo control (28,30 %) y en el grupo estudio (45 %) fueron estadísticamente significativas (P=0,014). No hubo diferencias significativas en la inflamación, fibrosis, necrosis y reacción al cuerpo extraño (P>0,05). El resveratrol tiene efectos positivos sobre la curación de los huesos, pero aún es necesario realizar más pruebas de estudios clínicos, como también en animales.

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          Most cited references21

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          Resveratrol enhances proliferation and osteoblastic differentiation in human mesenchymal stem cells via ER-dependent ERK1/2 activation.

          In the present study, we investigated the in vitro effect of resveratrol (RSVL), a polyphenolic phytoestrogen, on cell proliferation and osteoblastic maturation in human bone marrow-derived mesenchymal stem cell (HBMSC) cultures. RSVL (10(-8)-10(-5) M) increased cell growth dose-dependently, as measured by [(3)H]-thymidine incorporation, and stimulated osteoblastic maturation as assessed by alkaline phosphatase (ALP) activity, calcium deposition into the extracellular matrix, and the expression of osteoblastic markers such as RUNX2/CBFA1, Osterix and Osteocalcin in HBMSCs cell cultures. Further studies found that RSVL (10(-6)M) resulted in a rapid activation of both extracellular signal-regulated kinase 1/2 (ERK1/2) and p38 mitogen-activated protein kinase (MAPK) signaling in HBMSCs cultures. The effects of RSVL were mimicked by 17beta-estrodial (10(-8) M) and were abolished by estrogen receptor (ER) antagonist ICI182780. An ERK1/2 pathway inhibitor, PD98059, significantly attenuated RSVL-induced ERK1/2 phosphorylation, consistent with the reduction of cell proliferation and osteoblastic differentiation as well as expression of osteoblastic markers. In contrast, SB203580, a p38 MAPK pathway blocker, blocked RSVL-induced p38 phosphorylation, but resulted in an increase of cell proliferation and a more osteoblastic maturation. These data suggest that RSVL stimulates HBMSCs proliferation and osteoblastic differentiation through an ER-dependent mechanism and coupling to ERK1/2 activation.
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            Dietary supplementation of resveratrol attenuates chronic colonic inflammation in mice.

            Ulcerative colitis is a nonspecific inflammatory disorder characterized by oxidative and nitrosative stress, leucocyte infiltration and upregulation of inflammatory mediators. Resveratrol is a polyphenolic compound found in grapes and wine, with multiple pharmacological actions, mainly anti-inflammatory, antioxidant, antitumour and immunomodulatory activities. The aim of this study was to investigate the effect of dietary resveratrol on chronic dextran sulphate sodium (DSS)-induced colitis. Six-week-old mice were randomized into two dietary groups: one standard diet and the other enriched with resveratrol at 20mg/kg of diet. After 30days, mice were exposed to 3% DSS for 5days developing acute colitis that progressed to severe chronic inflammation after 21days of water. Our results demonstrated that resveratrol group significantly attenuated the clinical signs such as loss of body weight, diarrhea and rectal bleeding improving results from disease activity index and inflammatory score. Moreover, the totality of resveratrol-fed animals survived and finished the treatment while animals fed with standard diet showed a mortality of 40%. Three weeks after DSS removal, the polyphenol caused substantial reductions of the rise of pro-inflammatory cytokines, TNF-alpha and IL-1beta and an increase of the anti-inflammatory cytokine IL-10. Also resveratrol reduced prostaglandin E synthase-1 (PGES-1), cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) proteins expression, via downregulation of p38, a mitogen-activated protein kinases (MAPK) signal pathway. We conclude that resveratrol diet represents a novel approach to the treatment of chronic intestinal inflammation. Copyright 2010 Elsevier B.V. All rights reserved.
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              Resveratrol inhibits myeloma cell growth, prevents osteoclast formation, and promotes osteoblast differentiation.

              Multiple myeloma is characterized by the accumulation of clonal malignant plasma cells in the bone marrow, which stimulates bone destruction by osteoclasts and reduces bone formation by osteoblasts. In turn, the changed bone microenvironment sustains survival of myeloma cells. Therefore, a challenge for treating multiple myeloma is discovering drugs targeting not only myeloma cells but also osteoclasts and osteoblasts. Because resveratrol (trans-3,4',5-trihydroxystilbene) is reported to display antitumor activities on a variety of human cancer cells, we investigated the effects of this natural compound on myeloma and bone cells. We found that resveratrol reduces dose-dependently the growth of myeloma cell lines (RPMI 8226 and OPM-2) by a mechanism involving cell apoptosis. In cultures of human primary monocytes, resveratrol inhibits dose-dependently receptor activator of nuclear factor-kappaB (NF-kappaB) ligand-induced formation of tartrate-resistant acid phosphatase (TRACP)-positive multinucleated cells, TRACP activity in the medium, up-regulation of cathepsin K gene expression, and bone resorption. These inhibitions are associated with a down-regulation of RANK expression at both mRNA and cell surface protein levels and a decrease of NFATc1 stimulation and NF-kappaB nuclear translocation, whereas the gene expression of c-fms, CD14, and CD11a is up-regulated. Finally, resveratrol promotes dose-dependently the expression of osteoblast markers like osteocalcin and osteopontin in human bone marrow mesenchymal stem cells (hMSC-TERT) and stimulates their response to 1,25(OH)2 vitamin D3 [1,25(OH)2D3]. Moreover, resveratrol up-regulates dose-dependently the expression of 1,25(OH)2D3 nuclear receptor. Taken together, these results suggest that resveratrol or its derivatives deserve attention as potential drugs for treating multiple myeloma.
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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                ijmorphol
                International Journal of Morphology
                Int. J. Morphol.
                Sociedad Chilena de Anatomía (Temuco, , Chile )
                0717-9502
                June 2018
                : 36
                : 2
                : 391-394
                Affiliations
                [5] Kermanshah Kermanshah orgnameKermanshah University of Medical Sciences orgdiv1Department of Oral and Maxillofacial Surgery Iran
                [3] Isfahan Isfahan orgnameIsfahan University of Medical Sciences orgdiv1Dental Research Center orgdiv2Department of Endodontics Iran
                [1] Isfahan Isfahan orgnameIsfahan University of Medical Sciences orgdiv1Dental Research Center orgdiv2Department of Oral and Maxillofacial Surgery Iran
                [4] Tehran orgname Iran
                [2] Isfahan Isfahan orgnameIsfahan University of Medical Sciences orgdiv1School of Dentistry orgdiv2Department of Oral and Maxillofacial Pathology Iran
                Article
                S0717-95022018000200391
                a355fc3f-d442-4501-a4c8-f1591cb38e29

                This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

                History
                : 07 February 2018
                : 27 June 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 21, Pages: 4
                Product

                SciELO Chile


                Formación de hueso,Aumento de cresta alveolar,Osteoclastos,Resveratrol,Osteoblastos,Osteoclast,Alveolar ridge augmentation,Bone formation,Osteoblast

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