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Bone morphogenic protein 1

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https://www.readbyqxmd.com/read/29329716/gelatin-hydroxyapatite-calcium-sulphate-based-biomaterial-for-long-term-sustained-delivery-of-bone-morphogenic-protein-2-and-zoledronic-acid-for-increased-bone-formation-in-vitro-and-in-vivo-carrier-properties
#1
Deepak Bushan Raina, David Larsson, Filip Mrkonjic, Hanna Isaksson, Ashok Kumar, Lars Lidgren, Magnus Tägil
In this study, a novel macroporous composite biomaterial consisting of gelatin-hydroxyapatite-calcium sulphate for delivery of bone morphogenic protein-2 (rhBMP-2) and zoledronic acid (ZA) has been developed. The biomaterial scaffold has a porous structure and functionalization of the scaffold with rhBMP-2 induces osteogenic differentiation of MC3T3-e1 cells seen by a significant increase in biochemical and genetic markers of osteoblastic differentiation. In-vivo muscle pouch experiments showed higher mineralization using scaffold+rhBMP-2 when compared to an approved absorbable collagen sponge (ACS)+rhBMP-2 as verified by micro-CT...
January 10, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29325895/the-vertebrate-limb-an-evolving-complex-of-self-organizing-systems
#2
REVIEW
Stuart A Newman, Tilmann Glimm, Ramray Bhat
The paired appendages (fins or limbs) of jawed vertebrates contain an endoskeleton consisting of nodules, bars and, in some groups, plates of cartilage, or bone arising from replacement of cartilaginous templates. The generation of the endoskeletal elements occurs by processes involving production and diffusion of morphogens, with, variously, positive and negative feedback circuits, adhesion, and receptor dynamics with similarities to the mechanism for chemical pattern formation proposed by Alan Turing. This review presents a unified interpretation of the evolution and functioning of these mechanisms...
January 8, 2018: Progress in Biophysics and Molecular Biology
https://www.readbyqxmd.com/read/29286116/bambi-promotes-macrophage-proliferation-and-differentiation-in-gliomas
#3
Dan Wang, Xiaolai Chen, Ran Zhang
The present study investigated the capacity of Bone morphogenic protein and activin membrane‑bound inhibitor homolog (BAMBI) to regulate the migration and differentiation of macrophages in gliomas. Using a migration assay, it was determined that BAMBI stimulated monocytes migration in a dose‑dependent effect. When induced by phorbol myristate acetate (PMA) the monocytes differentiated into macrophages, and BAMBI also increased the migration of PMA‑induced macrophages compared with control cells. The expression of CD68 and BAMBI protein and mRNA in glioma and normal specimens were detected using immunohistochemistry and reverse transcription‑quantitative polymerase chain reaction, respectively...
December 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29279116/structural-characterization-and-osteogenic-bioactivity-of-a-sulfated-polysaccharide-from-pacific-abalone-haliotis-discus-hannai-ino
#4
Shuang Song, Bao Zhang, Sufeng Wu, Lu Huang, Chunqing Ai, Jinfeng Pan, Yi-Cheng Su, Zhongfu Wang, Chengrong Wen
Bone morphogenic protein-2 (BMP-2) is known to promote osteogenesis. To find novel adjuvants to enhance the activity of BMP-2, the present study investigated the structure BMP-2-induced osteogenic activity of a water-soluble polysaccharide from the gonad of pacific abalone (Haliotis discus hannai Ino) named AGSP. Through analysis of aldobiouronic acids released from AGSP, monosaccharide composition comparison of AGSP and its reduced product, and methylation analysis and NMR analysis of AGSP and its desulfated derivative, the main structure residue of AGSP was determined as →3)-GlcA(1→3)-Gal(1→ with sulfated branches comprised of prevelant Gal and minor Glc, and →4)-β-GlcA(1→2)-α-Man(1→ residue was also found...
February 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29276737/neural-egf-like-protein-1-nell-1-signaling-crosstalk-in-mesenchymal-stem-cells-and-applications-in-regenerative-medicine
#5
Mikhail Pakvasa, Alex Alverdy, Sami Mostafa, Eric Wang, Lucy Fu, Alexander Li, Leonardo Oliveira, Aravind Athiviraham, Michael J Lee, Jennifer Moriatis Wolf, Tong-Chuan He, Guillermo A Ameer, Russell R Reid
Bone tissue regeneration holds the potential to solve both osteoporosis and large skeletal defects, two problems associated with significant morbidity. The differentiation of mesenchymal stem cells into the osteogenic lineage requires a specific microenvironment and certain osteogenic growth factors. Neural EGF Like-Like molecule 1 (NELL-1) is a secreted glycoprotein that has proven, both in vitro and in vivo, to be a potent osteo-inductive factor. Furthermore, it has been shown to repress adipogenic differentiation and inflammation...
September 2017: Genes & Diseases
https://www.readbyqxmd.com/read/29215396/outcomes-of-corneal-cross-linking-correlate-with-cone-specific-lysyl-oxidase-expression-in-patients-with-keratoconus
#6
Rohit Shetty, Nimisha Rajiv Kumar, Natasha Pahuja, Rashmi Deshmukh, KrishnaPoojita Vunnava, Valsala Gopalakrishnan Abilash, Abhijit Sinha Roy, Arkasubhra Ghosh
PURPOSE: To evaluate the correlation of visual and keratometry outcomes after corneal cross-linking (CXL) in patients with keratoconus with cone epithelium-specific gene expression levels. METHODS: Corneal epithelium was obtained from 35 eyes that underwent accelerated CXL (KXLII, 9 mW/cm for 10 min). Using corneal topography, epithelium over the cone and periphery was obtained separately from each subject. The ratio of gene expression for lysyl oxidase (LOX), matrix metalloproteinase 9 (MMP9), bone morphogenic protein 7, tissue inhibitor of metalloproteinase 1, collagen, type I, alpha 1, and collagen, type IV, alpha 1 (COL IVA1) from the cone and peripheral cornea was correlated with the outcome of cross-linking surgery...
December 5, 2017: Cornea
https://www.readbyqxmd.com/read/29154973/inhibition-of-bmp-signaling-overcomes-acquired-resistance-to-cetuximab-in-oral-squamous-cell-carcinomas
#7
Jinlong Yin, Ji-Eun Jung, Sun Il Choi, Sung Soo Kim, Young Taek Oh, Tae-Hoon Kim, Eunji Choi, Sun Joo Lee, Hana Kim, Eun Ok Kim, Yu Sun Lee, Hee Jin Chang, Joo Yong Park, Yeejeong Kim, Tak Yun, Kyun Heo, Youn-Jae Kim, Hyunggee Kim, Yun-Hee Kim, Jong Bae Park, Sung Weon Choi
Despite expressing high levels of the epidermal growth factor receptor (EGFR), a majority of oral squamous cell carcinoma (OSCC) patients show limited response to cetuximab and ultimately develop drug resistance. However, mechanism underlying cetuximab resistance in OSCC is not clearly understood. Here, using a mouse orthotopic xenograft model of OSCC, we show that BMP7-p-Smad1/5/8 signaling contributes to cetuximab resistance. Tumor cells isolated from the recurrent cetuximab-resistant xenograft models exhibited low EGFR expression but extremely high levels of phosphorylated Smad-1, -5, and -8 (p-Smad1/5/8)...
November 15, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29148922/feasibility-and-safety-of-using-thoracic-and-lumbar-cortical-bone-trajectory-pedicle-screws-in-spinal-constructs-in-children-technical-note
#8
Jonathan N Sellin, Jeffrey S Raskin, Kristen A Staggers, Alison Brayton, Valentina Briceño, Amee J Moreno, Andrew Jea
Thoracic and lumbar cortical bone trajectory pedicle screws have been described in adult spine surgery. They have likewise been described in pediatric CT-based morphometric studies; however, clinical experience in the pediatric age group is limited. The authors here describe the use of cortical bone trajectory pedicle screws in posterior instrumented spinal fusions from the upper thoracic to the lumbar spine in 12 children. This dedicated study represents the initial use of cortical screws in pediatric spine surgery...
November 17, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/29130662/-the-role-of-bone-morphogenic-protein-4-in-the-progression-of-vein-graft-hyperplastic-remodeling-under-hyperglycemic-condition
#9
Deng-Feng Fang, Hong-Wei Zhang, Jun Gu, Kang-Jun Fan, Huai-Min Liang, Jia-Yu Shen, Er-Yong Zhang, Jia Hu
OBJECTIVE: This study was designed to assess the vessel wall characteristics and the expression levels of bone morphogenic protein4(BMP4) and proliferating cell antigen Ki67 in vein grafts harvested from diabetic rats,and to investigate the role of BMP4 in progression of vein graft hyperplastic remodeling under hyperglycemic condition. METHODS: 48 male SpragueDawky rats [body mass (194±16) g] aged 8 weeks were randomly divided into diabetes mellitus (DM) group ( n=24) and nondiabetes mellitus (NDM) group ( n=24)...
September 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29098380/bone-morphogenic-protein-2-use-in-revision-total-hip-arthroplasty-with-acetabular-defects
#10
Scott R Nodzo, Keely K Boyle, Sonja Pavlesen, Sridhar Rachala
INTRODUCTION: The restoration of acetabular bone stock during revision hip arthroplasty remains a challenge. There have been no clinical series reporting the efficacy of bone morphogenic protein-2 (rhBMP-2) in the revision hip setting. METHODS: We retrospectively reviewed the radiographs and records of 15 patients who received rhBMP-2 mixed with allograft bone chips (+BMP), and 14 who received allograft bone chips alone (-BMP) for their acetabular defect during revision total hip arthroplasty with a mean two-year follow up...
November 3, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/29081505/serotonin-prevents-differentiation-into-brown-adipocytes-and-induces-trans-differentiation-into-white-adipocytes
#11
S Rozenblit-Susan, N Chapnik, O Froy
BACKGROUND/OBJECTIVES: Serotonin is synthesized by many cells in the periphery to affect vasoconstriction, intestinal motility, and glucose and lipid metabolism. It has recently been shown that serotonin leads to fat accumulation in white adipose tissue (WAT). However, the direct effect of serotonin on adipose tissue (BAT) differentiation and metabolism is limited. Therefore, our aim was to investigate the effect of serotonin on brown adipocyte metabolism and differentiation. METHODS: Non-differentiated HIB1B cells and differentiated HIB1B brown adipocytes were treated with serotonin and their metabolism and differentiation examined...
October 30, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/29057341/early-clinical-and-radiological-results-of-unilateral-posterior-pedicle-instrumentation-through-a-wiltse-approach-with-lateral-lumbar-interbody-fusion
#12
Jerry Y Du, Paul D Kiely, Eric Bogner, Motasem Al Maaieh, Alexander Aichmair, Stephan N Salzmann, Russel C Huang
BACKGROUND: To assess the clinical outcomes of 44 patients who underwent single-level lateral lumbar interbody fusion (LLIF) with unilateral pedicle screw instrumentation through a paramedian Wiltse approach. METHODS: Demographic, comorbidity, clinical assessment, peri-operative, and complication data were assessed. Visual analog scale (VAS), Oswestry disability index (ODI), and short form-12 (SF-12) were used to assess clinical outcomes. Post-operative plain radiographs were assessed for subsidence, cage migration, and fusion...
September 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29057340/lateral-lumbar-interbody-fusion-with-unilateral-pedicle-screw-fixation-for-the-treatment-of-adjacent-segment-disease-a-preliminary-report
#13
Jerry Y Du, Paul D Kiely, Motasem Al Maaieh, Alexander Aichmair, Russel C Huang
BACKGROUND: To assess the clinical outcomes of 20 patients who underwent single level unilateral pedicle screw fixation following lateral lumbar interbody fusion (LLIF) for treatment of lumbar adjacent segment disease (ASD). METHODS: Demographic, comorbidity, clinical assessment, peri-operative, and complication data were assessed. Visual analog scale (VAS), Oswestry disability index (ODI), and short form-12 (SF-12) were used to assess clinical outcomes. Post-operative radiographs were assessed for subsidence, cage migration, and fusion...
September 2017: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29044575/investigation-of-the-effect-of-astaxanthin-on-alveolar-bone-loss-in-experimental-periodontitis
#14
H Balci Yuce, A Lektemur Alpan, F Gevrek, H Toker
BACKGROUND AND OBJECTIVE: Astaxanthin is a keto-carotenoid that has a strong antioxidant effect. The purpose of this study was to evaluate the effects of astaxanthin on alveolar bone loss and histopathological changes in ligature-induced periodontitis in rats. MATERIAL AND METHODS: Wistar rats were divided into four experimental groups: non-ligated (C, n = 6); ligature only (L, n = 6); ligature and astaxanthin (1 mg/kg/day astaxanthin, AS1 group, n = 8); ligature and astaxanthin (5 mg/kg/day astaxanthin, AS5 group, n = 8)...
October 17, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28980322/fibroblast-growth-factor-21-attenuates-calcification-of-vascular-smooth-muscle-cells-in%C3%A2-vitro
#15
Fangying Cao, Shaoping Wang, Xiangrong Cao, Xiaoxiao Liu, Kun Fu, Peng Hao, Jinghua Liu
OBJECTIVES: Vascular calcification is a dysfunction of the vasculature. Recent findings indicate that fibroblast growth factor21 (FGF21), a protector of the cardiovascular system, is related to the mineral deposition of bone and enhances the osteogenic activity of bone morphogenic protein (BMP)-2. In this study, we explored whether FGF21 suppresses vascular calcification. METHODS: A calcifying model was established by culturing primary rat vascular aortic smooth muscle cells (VSMCs) in a beta-glycerophosphate (BGP)-containing calcifying medium for 14 days...
October 4, 2017: Journal of Pharmacy and Pharmacology
https://www.readbyqxmd.com/read/28975650/a-genomic-characterization-of-the-influence-of-silver-nanoparticles-on-bone-differentiation-in-mc3t3-e1-cells
#16
Tao Qing, Meena Mahmood, Yuanting Zheng, Alexandru S Biris, Leming Shi, Daniel A Casciano
Silver nanoparticles (AgNPs) have been widely used in a variety of biomedical applications. Previous studies demonstrated that AgNPs significantly enhanced bone cell mineralization and differentiation in MC3T3-1 cells, a model in vitro system, when compared to several other NPs. This increased bone deposition was evaluated by phenotypic measurements and assessment of the expression of miRNAs associated with regulation of bone morphogenic proteins. In the present study, we used RNA-seq technology, a more direct measurement of gene expression, to investigate further the mechanisms of bone differentiation induced by AgNP treatment...
October 4, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28974260/in-vitro-characterization-of-canine-multipotent-stromal-cells-isolated-from-synovium-bone-marrow-and-adipose-tissue-a-donor-matched-comparative-study
#17
Robert N Bearden, Shannon S Huggins, Kevin J Cummings, Roger Smith, Carl A Gregory, William B Saunders
BACKGROUND: The dog represents an excellent large animal model for translational cell-based studies. Importantly, the properties of canine multipotent stromal cells (cMSCs) and the ideal tissue source for specific translational studies have yet to be established. The aim of this study was to characterize cMSCs derived from synovium, bone marrow, and adipose tissue using a donor-matched study design and a comprehensive series of in-vitro characterization, differentiation, and immunomodulation assays...
October 3, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28949445/impact-of-selective-anti-bmp9-treatment-on-tumor-cells-and-tumor-angiogenesis
#18
(no author information available yet)
The role of bone morphogenic protein 9 (BMP9) signaling in angiogenesis has been controversial, with a number of studies showing that it acts either as a pro-angiogenic or, conversely, as an anti-angiogenic factor in a context-dependent manner. Notably, BMP9 was also reported to function in both pro- or anti-tumorigenic roles during tumor progression. It has therefore remained unclear, whether selective BMP9 inhibition is a useful target for antibody therapy of cancer. To shed light on these questions, we characterized BMP9 expression in plasma of patients with different cancer indications and found elevated levels of pro-domains and precursor BMP9 with a strong response in renal cell carcinoma (RCC)...
December 2016: Molecular Oncology
https://www.readbyqxmd.com/read/28864168/liuweiwuling-tablets-attenuate-bdl-induced-hepatic-fibrosis-via-modulation-of-tgf-%C3%AE-smad-and-nf-%C3%AE%C2%BAb-signaling-pathways
#19
Huimin Liu, Fang Dong, Guangquan Li, Ming Niu, Congen Zhang, Yanzhong Han, Lanzhi He, Ping Yin, Bin Wang, Xiuxiu Sang, Ruishen Li, Jiabo Wang, Zhaofang Bai, Xiaohe Xiao
ETHNOPHARMACOLOGICAL RELEVANCE: Liuweiwuling (LWWL) tablets contain a six-herb Chinese formula and are commonly prescribed to facilitate nourishment of the liver and kidneys, clear away toxic materials and activate blood circulation. Administration of LWWL is well known for its protective effects on the liver and its capacity to confer long-term stability in patients exhibiting reduced transaminase levels. Clinical studies have reported that LWWL can also be used for the treatment of liver fibrosis with associated treatment regimens resulting in a concomitant reduction in transforming growth factor β1 (TGF-β1) levels in the serum of patients with hepatic fibrosis...
August 31, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28852327/dynamic-fixation-of-humeral-shaft-fractures-using-active-locking-plates-a-prospective-observational-study
#20
Steven M Madey, Stanley Tsai, Daniel C Fitzpatrick, Kathleen Earley, Michael Lutsch, Michael Bottlang
BACKGROUND: Rigid locked plating constructs can suppress fracture healing by inhibiting interfragmentary motion required to stimulate natural bone healing by callus formation. Dynamic fixation with active locking plates reduces construct stiffness, enables controlled interfragmentary motion, and has been shown to induce faster and stronger bone healing in vivo compared to rigid locking plates. This prospective observational study represents the first clinical use of active locking plates...
2017: Iowa Orthopaedic Journal
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