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https://www.readbyqxmd.com/read/28212283/the-effects-of-tocotrienol-and-lovastatin-co-supplementation-on-bone-dynamic-histomorphometry-and-bone-morphogenetic-protein-2-expression-in-rats-with-estrogen-deficiency
#1
Kok-Yong Chin, Saif Abdul-Majeed, Norazlina Mohamed, Soelaiman Ima-Nirwana
Both tocotrienol and statins are suppressors of the mevalonate pathway. Supplementation of tocotrienol among statin users could potentially protect them against osteoporosis. This study aimed to compare the effects of tocotrienol and lovastatin co-supplementation with individual treatments on bone dynamic histomorphometric indices and bone morphogenetic protein-2 (BMP-2) gene expression in ovariectomized rats. Forty-eight female Sprague-Dawley rats were randomized equally into six groups. The baseline was sacrificed upon receipt...
February 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28204808/bone-morphogenetic-protein-2-enhances-the-osteogenic-differentiation-capacity-of-mesenchymal-stromal-cells-derived-from-human-bone-marrow-and-umbilical-cord
#2
Kulisara Marupanthorn, Chairat Tantrawatpan, Pakpoom Kheolamai, Duangrat Tantikanlayaporn, Sirikul Manochantr
Mesenchymal stromal cells (MSCs) are multipotent cells that can give rise to different cell types of the mesodermal lineages. They are powerful sources for cell therapy in regenerative medicine as they can be isolated from various tissues, and can be expanded and induced to differentiate into multiple lineages. Recently, the umbilical cord has been suggested as an alternative source of MSCs. Although MSCs derived from the umbilical cord can be induced to differentiate into osteoblasts with a phenotypic similarity to that of bone marrow-derived MSCs, the differentiation ability is not consistent...
February 1, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28118705/europium-doped-gd2o3-nanotubes-in-vivo-increase-bone-mineral-density-and-in-vitro-promote-mineralization
#3
Huifang Liu, Yi Jin, Kun Ge, Guang Jia, Zhenhua Li, Xinjian Yang, Shizhu Chen, Min Ge, Wentong Sun, Dandan Liu, Jinchao Zhang
Europium doped Gd2O3 nanotubes (Gd2O3:Eu3+ NTs) have attracted increasing attention in bioscience for their unique optical and magnetic properties. However, the distribution and interaction between Gd2O3:Eu3+ NTs and metabolism of bone is not yet sufficiently comprehended. In this study, a systematic research of the toxicity and distribution of Gd2O3:Eu3+ NTs in mice after oral administration were carried out. The results showed that a small number of the Gd2O3:Eu3+ NTs could cross biological barriers into the liver, spleen, lung, but a high concentration was observed in bone...
January 25, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28035402/transforming-growth-factor-%C3%AE-1-suppresses-bone-morphogenetic-protein-2-induced-mesenchymal-epithelial-transition-in-hsc-4-human-oral-squamous-cell-carcinoma-cells-via-smad1-5-9-pathway-suppression
#4
Takahiro Chiba, Akira Ishisaki, Seiko Kyakumoto, Toshiyuki Shibata, Hiroyuki Yamada, Masaharu Kamo
Squamous cell carcinoma is the most common cancer in the oral cavity. We previously demonstrated that transforming growth factor-β1 (TGF-β1) promotes the epithelial-mesenchymal transition (EMT) of human oral squamous cell carcinoma (hOSCC) cells; however, it remains to be clarified whether the TGF-β superfamily member bone morphogenetic protein (BMP) affects this process in hOSCC cells. Here, we examined the independent and collective effects of TGF-β1 and BMP-2 on EMT and mesenchymal‑epithelial transition (MET) in a panel of four hOSCC cell lines...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/27994515/dose-dependent-effects-of-strontium-ranelate-on-ovariectomy-rat-bone-marrow-mesenchymal-stem-cells-and-human-umbilical-vein-endothelial-cells
#5
Xiaojing Guo, Silong Wei, Mengmeng Lu, Zhengwei Shao, Jiayu Lu, Lunguo Xia, Kaili Lin, Derong Zou
In clinic, strontium ranelate (SrR) is a useful drug to treat osteoporosis by orally taken method, but some side effect appeared in recent years. The aim of this study is to evaluate the effectiveness and safety of SrR on cells by direct application, to study the possibility of local application of this drug. Qualitative ALP staining, quantitative ALP activity assay, alizarin red staining, realtime PCR and westernblot assay were used to evaluate the osteogenesis ability of SrR under normal or osteogenic induction environment of ovariectomy bone marrow mesenchymal stem cells (OVX-BMSCs)...
2016: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/27940998/decreased-circulating-bmp-9-levels-in-patients-with-type%C3%A2-2-diabetes-is-a-signature-of-insulin-resistance
#6
Yong Luo, Ling Li, Xiaohui Xu, Tong Wu, Mengliu Yang, Cheng Zhang, Huaming Mou, Tingting Zhou, Yanjun Jia, Chenrongrong Cai, Hua Liu, Gangyi Yang, Xianxiang Zhang
Bone morphogenetic protein 9 (BMP-9) has been demonstrated to improve glucose homoeostasis in diabetic mice. However, no report has demonstrated the relationship of circulating BMP-9 levels with insulin resistance (IR) or Type 2 diabetes mellitus (T2DM) in humans. The objective of the present study was to investigate the relationship between BMP-9 and IR in cross-sectional and interventional studies. Circulating BMP-9 levels were analysed by ELISA in 280 well-characterized individuals. Two-hour oral glucose tolerance test (OGTT) and euglycaemic-hyperinsulinaemic clamp (EHC) were performed in 20 healthy subjects...
February 1, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/27885436/effects-of-aluminum-trichloride-on-the-cartilage-stimulatory-growth-factors-in-rats
#7
Fan Zhang, Xudong Sun, Hongyan Yu, Xu Yang, Miao Song, Yanfei Han, Yanfei Li, Yanzhu Zhu
Aluminum (Al) is considered to be a potentially toxic metal and inhibits cartilage formation. Transforming growth factor β1 (TGF-β1) and bone morphogenetic protein 2 (BMP-2) are cartilage stimulatory growth factors, which play important roles in regulating the cartilage formation. To investigate the effects of aluminum trichloride (AlCl3) on the regulation of cartilage formation. Eighty Wistar rats were orally exposed to 0 (control group), 0.4 g/L (low-dose group), 0.8 g/L (mid-dose group) and 1.6 g/L (high-dose group) AlCl3 for 120 days, respectively...
February 2017: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/27875417/the-utility-of-routinely-obtaining-postoperative-laboratory-studies-following-a-minimally-invasive-transforaminal-lumbar-interbody-fusion
#8
Junyoung Ahn, Dustin H Massel, Benjamin C Mayo, Fady Y Hijji, Ankur S Narain, Khaled Aboushaala, Daniel D Bohl, Islam M Elboghdady, Jacob V DiBattista, Kern Singh
STUDY DESIGN: This is a retrospective analysis. OBJECTIVE: To test the hypothesis that there is limited utility in routinely obtaining postoperative laboratory values following minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). BACKGROUND DATA: At many institutions, it is routine to obtain a complete blood count and basic metabolic profile (BMP) following a MIS TLIF. However, the utility of this practice has not been well characterized...
November 21, 2016: Clinical Spine Surgery
https://www.readbyqxmd.com/read/27852910/intraosseous-injection-of-simvastatin-in-poloxamer-407-hydrogel-improves-pedicle-screw-fixation-in-ovariectomized-minipigs
#9
X Fu, J Tan, C G Sun, H J Leng, Y S Xu, C L Song
BACKGROUND: Osteoporosis leads to poor osseointegration and reduces implant stability. Statins have been found to stimulate bone formation, but the bioavailability from oral administration is low. Local application may be more effective at augmenting bone formation and enhancing implant stability. This study was performed to evaluate the efficacy of an intraosseous injection of simvastatin in thermosensitive poloxamer 407 hydrogel to enhance pedicle-screw fixation in calcium-restricted ovariectomized minipigs...
November 16, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27770964/strategies-for-delivering-bone-morphogenetic-protein-for-bone-healing
#10
REVIEW
Howa Begam, Samit Kumar Nandi, Biswanath Kundu, Abhijit Chanda
Bone morphogenetic proteins (BMPs) are the most significant growth factors that belong to the Transforming Growth Factor Beta (TGF-β) super-family. Though more than twenty members of this family have been identified so far in humans, Food and Drug Administration (FDA) approved two growth factors: BMP-2 and BMP-7 for treatments of spinal fusion and long-bone fractures with collagen carriers. Currently BMPs are clinically used in spinal fusion, oral and maxillofacial surgery and also in the repair of long bone defects...
January 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/27630576/morn5-expression-during-craniofacial-development-and-its-interaction-with-the-bmp-and-tgf%C3%AE-pathways
#11
Petra Cela, Marek Hampl, Katherine K Fu, Michaela Kunova Bosakova, Pavel Krejci, Joy M Richman, Marcela Buchtova
MORN5 (MORN repeat containing 5) is encoded by a locus positioned on chromosome 17 in the chicken genome. The MORN motif is found in multiple copies in several proteins including junctophilins or phosphatidylinositol phosphate kinase family and the MORN proteins themselves are found across the animal and plant kingdoms. MORN5 protein has a characteristic punctate pattern in the cytoplasm in immunofluorescence imaging. Previously, MORN5 was found among differentially expressed genes in a microarray profiling experiment of the chicken embryo head...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27504532/growth-factors-in-bone-marrow-blood-of-the-mandible-with-application-of-extracorporeal-shock-wave-therapy
#12
Jacqueline A Pfaff, Birgit Boelck, Wilhelm Bloch, Georg-Hubertus Nentwig
INTRODUCTION: Enhancement of bone regeneration is crucial to dental implantology. Growth factors play a significant role during osteogenesis and angiogenesis. Extracorporeal shock wave therapy (ESWT) enhances bone healing; however, no studies have yet been performed in oral implantology. MATERIALS AND METHODS: Twenty patients who underwent bilateral mandibular wisdom tooth removal were included. ESWT was applied to 1 side of the jaw. Blood samples were collected from the peripheral vein (PB), mandibular bone marrow without and with ESWT (BM-/+SW)...
October 2016: Implant Dentistry
https://www.readbyqxmd.com/read/27316792/a-neoflavonoid-dalsissooal-isolated-from-heartwood-of-dalbergia-sissoo-roxb-has-bone-forming-effects-in-mice-model-for-osteoporosis
#13
Priyanka Kushwaha, Vikram Khedgikar, Naseer Ahmad, Anirudha Karvande, Jyoti Gautam, Padam Kumar, Rakesh Maurya, Ritu Trivedi
Dalbergia sissoo Roxb. is a well known medicinal plant of India, enriched with various flavonoids used for treating multiple diseases. Earlier, we have shown that extract of Dalbergia sissoo Roxb. leaves mitigate ovariectomy induced bone loss and pure compounds (neoflavonoids) isolated from it, promote osteoblastogenesis in primary calvarial osteoblasts cells in vitro. Here, we hypothesize that dalsissooal (DSL), a novel neoflavonoid isolated from the heartwood of Dalbergia sissoo Roxb. is an important constituent of the extract that imparts bone forming effects...
October 5, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27212154/injectable-bioactive-glass-in-the-restoration-of-oral-bone-defect
#14
C-B Han, S-C An
OBJECTIVE: To explore the application value of injectable bioactive glass in the restoration of the oral bone defect. PATIENTS AND METHODS: This study included 58 consecutive patients with oral bone defect > 1 mm, these patients were randomly assigned to a control group (n=26, Hydroxyapatite bioceramics) and an observation group (n=32, Injectable bioactive glass). The purpose of this study was to assess the comparison of the healing of oral bone defect. RESULTS: X-ray examination was performed at 6-month and 12-month following treatment...
May 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27199755/the-role-of-butylidenephthalide-in-targeting-the-microenvironment-which-contributes-to-liver-fibrosis-amelioration
#15
Hong-Meng Chuang, Hong-Lin Su, Chien Li, Shinn-Zong Lin, Ssu-Yin Yen, Mao-Hsuan Huang, Li-Ing Ho, Tzyy-Wen Chiou, Horng-Jyh Harn
The treatment of liver fibrosis has clinical limitations because of its multiple etiologies, such as epithelial-mesenchymal transition (EMT) promotion, cell regeneration and remodeling dysfunction, inflammatory cell activation, and scar tissue deposition. These factors might be considered as a new target for the fibrotic microenvironment, leading to increased fibrogenesis and liver fibrosis. Here, we investigate a small molecule named butylidenephthalide (BP) and its multiple effects on liver fibrosis treatment...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27178636/root-bark-of-sambucus-williamsii-hance-promotes-rat-femoral-fracture-healing-by-the-bmp-2-runx2-signaling-pathway
#16
Bingyou Yang, Xiaoying Lin, Jinyan Tan, Xian She, Yan Liu, Haixue Kuang
ETHNOPHARMACOLOGICAL RELEVANCE: Sambucus Williamsii Hance (SWH) is a plant from a family of Caprifoliaceae, which has a long medical history of use as an effective folk treatment for fracture bruises. AIM OF THE STUDY: To evaluate the effects of 50% ethanol extracts of root-bark of Sambucus Williamsii Hance(EE-rbSWH) on fracture healing of rats and explore its mechanism of actions related to the BMP-2 signaling pathway. MATERIALS AND METHODS: EE-rbSWH was orally administered at the doses of 340 and 680mg/kg to adult Sprague-Dawley rats with operation of open femur fracture completely for 2, 4 and 8 weeks...
September 15, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27108402/nanodiamond-modified-copolymer-scaffolds-affects-tumour-progression-of-early-neoplastic-oral-keratinocytes
#17
Salwa Suliman, Kamal Mustafa, Anke Krueger, Doris Steinmüller-Nethl, Anna Finne-Wistrand, Tereza Osdal, Amani O Hamza, Yang Sun, Himalaya Parajuli, Thilo Waag, Joachim Nickel, Anne Christine Johannessen, Emmet McCormack, Daniela Elena Costea
This study aimed to evaluate the tumorigenic potential of functionalising poly(LLA-co-CL) scaffolds. The copolymer scaffolds were functionalised with nanodiamonds (nDP) or with nDP and physisorbed BMP-2 (nDP-PHY) to enhance osteoinductivity. Culturing early neoplastic dysplastic keratinocytes (DOK(Luc)) on nDP modified scaffolds reduced significantly their subsequent sphere formation ability and decreased significantly the cells' proliferation in the supra-basal layers of in vitro 3D oral neoplastic mucosa (3D-OT) when compared to DOK(Luc) previously cultured on nDP-PHY scaffolds...
July 2016: Biomaterials
https://www.readbyqxmd.com/read/27098389/is-heparin-effective-for-the-controlled-delivery-of-high-dose-bone-morphogenetic-protein-2
#18
Ri Youn Kim, Beomseok Lee, Si-Nae Park, Jae-Hyung Ko, In Sook Kim, Soon Jung Hwang
Sustained release of bone morphogenetic protein (BMP)-2 by heparin-contained biomaterials is advantageous for bone tissue regeneration using low-dose BMP-2. However, its effect with high-dose BMP-2 is still unclear and should be clarified considering the clinical use of a high dose of BMP-2 in spine and oral surgery. This study aimed to evaluate the efficacy of a heparin-conjugated collagen sponge (HCS) with high-dose BMP-2 delivery by investigating in vivo initial osteogenic regulation and bone healing over 12 weeks in comparison with that of an absorbable collagen sponge (ACS)...
May 2016: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/27070559/effects-of-phlomis-umbrosa-root-on-longitudinal-bone-growth-rate-in-adolescent-female-rats
#19
Donghun Lee, Young-Sik Kim, Jungbin Song, Hyun Soo Kim, Hyun Jung Lee, Hailing Guo, Hocheol Kim
This study aimed to investigate the effects of Phlomis umbrosa root on bone growth and growth mediators in rats. Female adolescent rats were administered P. umbrosa extract, recombinant human growth hormone or vehicle for 10 days. Tetracycline was injected intraperitoneally to produce a glowing fluorescence band on the newly formed bone on day 8, and 5-bromo-2'-deoxyuridine was injected to label proliferating chondrocytes on days 8-10. To assess possible endocrine or autocrine/paracrine mechanisms, we evaluated insulin-like growth factor-1 (IGF-1), insulin-like growth factor binding protein-3 (IGFBP-3) or bone morphogenetic protein-2 (BMP-2) in response to P...
April 7, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27066482/wnt-%C3%AE-catenin-regulates-the-activity-of-epiprofin-sp6-shh-fgf-and-bmp-to-coordinate-the-stages-of-odontogenesis
#20
Maitane Aurrekoetxea, Igor Irastorza, Patricia García-Gallastegui, Lucia Jiménez-Rojo, Takashi Nakamura, Yoshihiko Yamada, Gaskon Ibarretxe, Fernando J Unda
BACKGROUND: We used an in vitro tooth development model to investigate the effects of overactivation of the Wnt/β-catenin pathway during odontogenesis by bromoindirubin oxime reagent (BIO), a specific inhibitor of GSK-3 activity. RESULTS: Overactivating the Wnt/β-catenin pathway at tooth initiation upregulated and ectopically expressed the epithelial markers Sonic Hedgehog (Shh), Epiprofin (Epfn), and Fibroblast growth factor8 (Fgf8), which are involved in the delimitation of odontogenic fields in the oral ectoderm...
2016: Frontiers in Cell and Developmental Biology
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