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bone morphogenetic protein 6

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https://www.readbyqxmd.com/read/27908549/noni-leaf-and-black-tea-enhance-bone-regeneration-in-estrogen-deficient-rats
#1
Nor Aijratul Asikin Mohd Shalan, Noordin M Mustapha, Suhaila Mohamed
OBJECTIVE: Black tea and Nonileaf are among the dietary compounds that can benefit patients with bone resorption disorders. Their bone regeneration effects and their mechanisms were studied in estrogen-deficient rats. METHODS: Noni leaves (three doses) and black tea water extracts were fed to ovariectomized rats for 4 mo, and their effects (analyzed via mechanical measurements, micro-computed tomography scan, and reverse transcriptase polymerase chain reaction mRNA) were compared with Remifemin (a commercial phytoestrogen product from black cohosh)...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27906446/study-on-adhesion-proliferation-and-differentiation-of-osteoblasts-promoted-by-new-absorbable-bioactive-glass-injection-in-vitro
#2
A Axrap, J Wang, Y Liu, M Wang, A Yusuf
OBJECTIVE: The objective of this study was to evaluate adhesion, proliferation and differentiation of osteoblasts grown on absorbable bioactive glass-calcium phosphate cement injection (BG-CPC) materials in vitro. MATERIALS AND METHODS: BG-CPC composite biomaterial samples were prepared in vitro, for culture with MC3T3-E1 rat osteoblasts. Cells were divided into CPC, BG and BG-CPC treated groups. After cultivation for 3d, cells were stained with rhodamine-phalloidin and 4',6-diamidino-2-phenylindole (DAPI) and observed by fluorescence microscopy for osteoblast morphology on the surface of biomaterials...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27903590/anterior-cruciate-ligament-derived-stem-cells-transduced-with-bmp2-accelerate-graft-bone-integration-after-acl-reconstruction
#3
Yohei Kawakami, Koji Takayama, Tomoyuki Matsumoto, Ying Tang, Bing Wang, Yutaka Mifune, James H Cummins, Ryan J Warth, Ryosuke Kuroda, Masahiro Kurosaka, Freddie H Fu, Johnny Huard
BACKGROUND: Strong graft-bone integration is a prerequisite for successful graft remodeling after reconstruction of the anterior cruciate ligament (ACL) using soft tissue grafts. Novel strategies to accelerate soft tissue graft-bone integration are needed to reduce the need for bone-tendon-bone graft harvest, reduce patient convalescence, facilitate rehabilitation, and reduce total recovery time after ACL reconstruction. HYPOTHESIS: The application of ACL-derived stem cells with enhanced expression of bone morphogenetic protein 2 (BMP2) onto soft tissue grafts in the form of cell sheets will both accelerate and improve the quality of graft-bone integration after ACL reconstruction in a rat model...
November 30, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27903375/-in-vivo-and-in-vitro-effects-of-cd137-stimulation-on-vascular-calcification-in-high-fat-diet-fed-apoe-mice
#4
Y Chen, J C Yan, J Y Weng, Z Q Wang, C P Wang, C Shao
Objective: To investigate the effect and related mechanism of CD137 stimulation on aortic atherosclerotic plaque calcification in high fat diet fed ApoE(-/-) mice and on calcification of vascular smooth muscle cells (VSMCs). Methods: (1) ApoE(-/-) mice fed with high fat diet were randomly divided into 3 groups: CD137 activated group (treated by 200 μg CD137 agonist i. p. once per week for 6 weeks, n=5); CD137 inhibited group (anti-CD137 group: 200 μg anti-CD137 antibody + 200 μg CD137 agonist, i. p., once per week for 6 weeks, n=5) and control group (n=5)...
October 24, 2016: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/27901202/in-vivo-performance-of-different-scaffolds-for-dental-pulp-stem-cells-induced-for-odontogenic-differentiation
#5
Cigdem Atalayin, Huseyin Tezel, Taner Dagci, Nefise Ulku Karabay Yavasoglu, Gulperi Oktem, Timur Kose
This study was designed to determine the in vivo performance of three different materials as scaffolds for dental pulp stem cells (DPSC) undergoing induced odontogenic differentiation. An odontogenic medium modified by the addition of recombinant human bone morphogenetic protein 2 was used in the experimental groups to induce differentiation. Mesenchymal stem cell medium was used in the control groups. DPSC were transplanted onto the backs of mice via three scaffolds: copolymer of L-lactide and DL-lactide (PLDL), copolymer of DL-lactide (PDL) and hydroxyapatite tricalcium phosphate (HA/TCP)...
November 28, 2016: Brazilian Oral Research
https://www.readbyqxmd.com/read/27885436/effects-of-aluminum-trichloride-on-the-cartilage-stimulatory-growth-factors-in-rats
#6
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...
November 24, 2016: Biometals: An International Journal on the Role of Metal Ions in Biology, Biochemistry, and Medicine
https://www.readbyqxmd.com/read/27882147/molecular-profiling-of-a-simple-rat-model-of-open-tibial-fractures-with-hematoma-and-periosteum-disruption
#7
Jose Rafael Villafan-Bernal, Lorenzo Franco-De La Torre, Ana Soledad Sandoval-Rodriguez, Juan Armendariz-Borunda, Juan Luis Alcala-Zermeno, Jose Alfonso Cruz-Ramos, Gabriela Lopez-Armas, Blanca Estela Ramirez-Bastidas, Gracia Viviana González-Enríquez, Emerson Armando Collazo-Guzman, Raigam Jafet Martinez-Portilla, Sergio Sánchez-Enríquez
Bone fractures are a worldwide public health concern. Therefore, improving understanding of the bone healing process at a molecular level, which could lead to the discovery of potential therapeutic targets, is important. In the present study, a model of open tibial fractures with hematoma disruption, periosteal rupture and internal fixation in 6-month-old male Wistar rats was established, in order to identify expression patterns of key genes and their protein products throughout the bone healing process. A tibial shaft fracture was produced using the three-point bending technique, the hematoma was drained through a 4-mm incision on the medial aspect of the tibia and the fracture stabilized by inserting a needle into the medullary canal...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27864295/endothelial-cells-produce-bone-morphogenetic-protein-6-required-for-iron-homeostasis-in-mice
#8
Susanna Canali, Kimberly B Zumbrennen-Bullough, Amanda B Core, Chia-Yu Wang, Manfred Nairz, Richard Bouley, Filip K Swirski, Jodie L Babitt
Bone morphogenetic protein (BMP)6 signaling in hepatocytes is a central transcriptional regulator of the iron hormone hepcidin to control systemic iron balance. How iron levels are sensed to regulate hepcidin production is not known, but local induction of liver BMP6 expression by iron is proposed to have a critical role. To identify the cellular source of BMP6 responsible for hepcidin and iron homeostasis regulation, we generated mice with tissue specific ablation of Bmp6 in different liver cell populations and evaluated their iron phenotype...
November 18, 2016: Blood
https://www.readbyqxmd.com/read/27862237/locally-applied-simvastatin-promotes-bone-formation-in-a-rat-model-of-spinal-fusion
#9
Toshinobu Ishihara, Masashi Miyazaki, Naoki Notani, Shozo Kanezaki, Masanori Kawano, Hiroshi Tsumura
Simvastatin, an inexpensive lipid-lowering drug widely used to prevent cardiovascular disorders, is known to increase osteoblastic activity, inhibit osteoclastic activity, and stimulate osteoblastic production of bone morphogenetic protein 2. Furthermore, local simvastatin application increased bone formation in animal models of fracture or bone defects. We investigated the effect of locally applied simvastatin in a rat model of spinal fusion. We performed posterolateral lumbar fusion surgery with iliac crest autograft in 36 rats divided into group I (n = 17; implanted with a gelatin scaffold) and group II (n = 19; implanted with a gelatin scaffold infused with 0...
November 11, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27858400/optimisation-of-bmp-2-dosage-for-the-osseointegration-of-porous-titanium-implants-in-an-ovine-model
#10
E B Hunziker, J Jovanovic, A Horner, M J Keel, K Lippuner, N Shintani
In clinical orthopaedics, total joint replacements and spinal fusions are routine undertakings. Many of the implicated patients suffer from osteoporosis, severe arthrosis or osteopaenia. In individuals thus afflicted, the bony bed lacks the mechanical stability that is a requisite for a firm anchorage of the implant and its functional competence. To promote the bony bondage of an implant it is necessary to induce neo-ossification by the introduction of an osteogenic agent, such as bone morphogenetic protein 2 (BMP-2)...
November 18, 2016: European Cells & Materials
https://www.readbyqxmd.com/read/27856416/regulation-and-function-of-bone-morphogenetic-protein-signaling-in-colonic-injury-and-inflammation
#11
Tuo Ji, Hidehiko Takabayashi, Maria Mao, Xu Han, Xiang Xue, Jennifer C Brazil, Kathryn A Eaton, Yatrik M Shah, Andrea Todisco
The bone morphogenetic proteins (BMPs) regulate gastrointestinal homeostasis. We investigated the expression of BMP-4 and the localization and function of BMP signaling during colonic injury and inflammation. Wild type mice and mice expressing the β-galactosidase (β-gal) gene under the control of a BMP responsive element (BRE), BMP-4-β-gal/+ mice, and animals generated by crossing villin-Cre mice to mice with floxed alleles of BMP receptor 1A (villin-Cre;Bmpr1a(flox/flox)), were treated with DSS to induce colonic injury and inflammation...
November 17, 2016: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27842921/suppression-of-osteoblast-related-genes-during-osteogenic-differentiation-of-adipose-tissue-derived-stromal-cells
#12
Yahya Açil, Amir Alexander Ghoniem, Aydin Gülses, Tobias Kisch, Felix Stang, Jörg Wiltfang, Matthias Gierloff
Recent studies indicated a lower osteogenic differentiation potential of adipose tissue-derived stromal cells (ASCs) compared to bone marrow derived mesenchymal stromal cells. The aim of this study was to evaluate the effects of potent combinations of highly osteogenic bone morphogenetic proteins (BMPs) in order to enhance the osteogenic differentiation potential of ASCs. Human ASCs were cultured for 10 days in the presence of osteogenic medium consisting of dexamethasone, ß-glycerophosphate and ascorbat-2-phosphate (OM) supplemented with BMP-2, BMP-6, BMP-9+IGF-2 and BMP-2,-6,-9 (day 1+2: 50 ng/ml, days 3-6: 100 ng/ml, days 7-10: 200 ng/ml)...
October 18, 2016: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/27822590/do-osteoporotic-fractures-constitute-a-greater-recalcitrant-challenge-for-skeletal-regeneration-investigating-the-efficacy-of-bmp-7-and-zoledronate-treatment-of-diaphyseal-fractures-in-an-open-fracture-osteoporotic-rat-model
#13
N Mathavan, M Tägil, H Isaksson
: Osteoporotic fractures may pose a challenge for skeletal regeneration. This study investigates if pharmaceutical interventions such as bone morphogenetic protein 7 (BMP-7) alone or in combination with Zoledronate have equivalent efficacy in osteoporotic bone? Our findings suggest they do and that an osteoporotic bone environment may increase sensitivity to BMP-7. INTRODUCTION: Osteoporosis is thought to contribute to delayed or impaired bone healing. Bone morphogenetic protein 7 (BMP-7) alone or synergistically combined with zoledronate (ZA) has proven effective in augmenting the regenerative response in healthy young male rats...
November 7, 2016: Osteoporosis International
https://www.readbyqxmd.com/read/27806758/-biological-evaluation-of-three-dimensional-printed-co-poly-lactic-acid-glycolic-acid-tri-calcium-phosphate-scaffold-for-bone-reconstruction
#14
S Y Li, M Zhou, Y X Lai, Y M Geng, S S Cao, X M Chen
Objective: To biologically evaluate the three-dimensional(3D) printed co-poly lactic acid/glycolic acid/tri-calcium phosphate(PLGA/TCP) scaffold which could be used for repairing oral and maxillofacial bone defects, and to provide experimental evidence for its further research and clinical application. Methods: PLGA/TCP scaffolds were fabricated using low temperature rapid prototyping technique. Micro-CT and scanning electron microscope(SEM) were used to characterize the surface morphology. MC3T3-E1 cells were seeded onto the scaffold and stained with the rhodamine phalloidin and calcein acetomethoxy...
November 9, 2016: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
https://www.readbyqxmd.com/read/27803898/candidate-gene-expression-in-bos-indicus-ovarian-tissues-prepubertal-and-postpubertal-heifers-in-diestrus
#15
Mayara Morena Del Cambre Amaral Weller, Marina Rufino S Fortes, Laercio R Porto-Neto, Matthew Kelly, Bronwyn Venus, Lisa Kidd, João Paulo Arcelino do Rego, Sophia Edwards, Gry B Boe-Hansen, Emily Piper, Sigrid A Lehnert, Simone Eliza Facioni Guimarães, Stephen Stewart Moore
Growth factors such as bone morphogenetic proteins 6, 7, 15, and two isoforms of transforming growth factor-beta (BMP6, BMP7, BMP15, TGFB1, and TGFB2), and insulin-like growth factor system act as local regulators of ovarian follicular development. To elucidate if these factors as well as others candidate genes, such as estrogen receptor 1 (ESR1), growth differentiation factor 9 (GDF9), follicle-stimulating hormone receptor (FSHR), luteinizing hormone receptor (LHR), bone morphogenetic protein receptor, type 2 (BMPR2), type 1 insulin-like growth factor receptor (IGFR1), and key steroidogenic enzymes cytochrome P450 aromatase and 3-β-hydroxysteroid dehydrogenase (CYP19A1 and HSD3B1) could modulate or influence diestrus on the onset of puberty in Brahman heifers, their ovarian mRNA expression was measured before and after puberty (luteal phase)...
2016: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/27784668/muscle-as-an-osteoinductive-niche-for-local-bone-formation-with-the-use-of-a-biphasic-calcium-sulphate-hydroxyapatite-biomaterial
#16
D B Raina, A Gupta, M M Petersen, W Hettwer, M McNally, M Tägil, M-H Zheng, A Kumar, L Lidgren
OBJECTIVES: We have observed clinical cases where bone is formed in the overlaying muscle covering surgically created bone defects treated with a hydroxyapatite/calcium sulphate biomaterial. Our objective was to investigate the osteoinductive potential of the biomaterial and to determine if growth factors secreted from local bone cells induce osteoblastic differentiation of muscle cells. MATERIALS AND METHODS: We seeded mouse skeletal muscle cells C2C12 on the hydroxyapatite/calcium sulphate biomaterial and the phenotype of the cells was analysed...
October 2016: Bone & Joint Research
https://www.readbyqxmd.com/read/27779163/effects-of-roughly-focused-extracorporeal-shock-waves-therapy-on-the-expressions-of-bone-morphogenetic-protein-2-and-osteoprotegerin-in-osteoporotic-fracture-in-rats
#17
Hai-Ming Huang, Xiao-Lin Li, Shu-Qiang Tu, Xiao-Feng Chen, Chang-Chun Lu, Liang-Hua Jiang
BACKGROUND: Roughly focused extracorporeal shock waves therapy (ESWT) is characterized by a wide focal area, a large therapy zone, easy positioning, and less pain during treatment. The purpose of this study was to investigate the effects of roughly focused ESWT on the expression of osteoprotegerin (OPG) and bone morphogenetic protein-2 (BMP-2) in osteoporotic fractures in rats. METHODS: Seventy-two female Sprague-Dawley (SD) rats, 3 months old, were divided into sham-operated group (n = 6) and an ovariectomized (OVX) group (n = 66)...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27736819/efficacy-of-fu-yuan-capsule-in-the-healing-of-fractures-of-the-lower-end-of-the-radius-in-a-rabbit-model
#18
Wei Wei, Biao-Fang Wei, Jian Cai, Wei He, Lin Wan, Ying Guan
OBJECTIVE: The aim of the study was to explore the efficacy of Fu-Yuan Capsule in the healing of fractures of the lower end of the radius in a rabbit model. METHODS: After establishing a rabbit fracture model, all animals were randomly divided into the model group (n = 24), the Fu-Yuan Capsule group (n = 24), and the Shenyang Hongyao group (n = 24). The X-ray was applied to observe the course of fracture healing at 2, 4, 6, and 8 weeks after treatment. Haematoxylin-eosin staining and immunohistochemical staining were used to determine the histological change and the expression of bone morphogenetic protein-2 (BMP-2)...
October 14, 2016: Pharmacology
https://www.readbyqxmd.com/read/27726186/localized-bone-regeneration-around-dental-implants-using-recombinant-bone-morphogenetic-protein-2-and-platelet-derived-growth-factor-bb-in-the-canine
#19
Daniel S Thoma, Jae-Kook Cha, Vitor M Sapata, Ronald E Jung, Juerg Hüsler, Ui-Won Jung
OBJECTIVES: To test whether or not one of two biological mediators (recombinant human bone morphogenetic protein-2 (rhBMP-2) and recombinant human platelet-derived growth factor (rhPDGF-BB)) is superior to the other and compared with control groups for bone regeneration around implants based on histomorphometrical outcome measures. MATERIALS AND METHODS: Box-type defects (10 × 5 × 5 mm) were prepared on the buccal sides of the left and right edentulous ridge in ten mongrel dogs...
October 10, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27703392/the-treatment-of-nonunions-with-application-of-bmp-7-increases-the-expression-pattern-for-angiogenic-and-inflammable-cytokines-a-matched-pair-analysis
#20
Patrick Haubruck, Andreas Kammerer, Sebastian Korff, Philipp Apitz, Kai Xiao, Axel Büchler, Bahram Biglari, Gerald Zimmermann, Volker Daniel, Gerhard Schmidmaier, Arash Moghaddam
The local application of bone morphogenetic protein-7 (BMP-7) in combination with the transplantation of autologous bone graft improves the outcome in nonunion treatment; however, the specific reasons remain unclear. In this study, we sought to determine if the local application of BMP-7 contributes to improved bone regeneration in nonunion therapy by modulation of the angiogenic and inflammable cytokine expression patterns of the early inflammation response. Therefore, we utilized the analysis of serological cytokine expression patterns...
2016: Journal of Inflammation Research
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