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Bone morphogenic protein 1

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https://www.readbyqxmd.com/read/29760957/simulated-microgravity-induces-a-cellular-regression-of-the-mature-phenotype-in-human-primary-osteoblasts
#1
Magda Gioia, Anna Michaletti, Manuel Scimeca, Mario Marini, Umberto Tarantino, Lello Zolla, Massimo Coletta
Decreased mechanical loading on bones, such as prolonged bed rest and microgravity during space flights, leads to the development of an osteoporotic-like phenotype. Although osteoblast hypo-functionality is reported to be involved in the progression of bone pathological conditions, the cellular mechanisms of this process remain largely unknown. The combined application of mass spectrometry "-omics" and histochemical and ultrastructural approaches have been employed to investigate the effects of the gravitational unloading on human bone-cell biology...
2018: Cell Death Discovery
https://www.readbyqxmd.com/read/29643419/author-correction-synergistic-effect-of-human-bone-morphogenic-protein-2-and-mesenchymal-stromal-cells-on-chronic-wounds-through-hypoxia-inducible-factor-1-%C3%AE-induction
#2
Sabine François, Véronique Eder, Karim Belmokhtar, Marie-Christine Machet, Luc Douay, Norbert-Claude Gorin, Marc Benderitter, Alain Chapel
A correction to this article has been published and is linked from the HTML and PDF versions of this paper. The error has been fixed in the paper.
April 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29617719/platelet-rich-plasma-adipose-tissue-and-scar-modulation
#3
Lohrasb R Sayadi, Zaidal Obagi, Derek A Banyard, Mary E Ziegler, Jordyne Prussak, Luke Tomlinson, Gregory R D Evans, Alan D Widgerow
In developed countries, over 100 million people per year form scars, of which 30% become hypertrophic. These scars are defined histologically by the presence of persistently contractile myofibroblasts. Recent in vitro research suggests that certain bone morphogenic proteins (BMP) can induce scar myofibroblast dedifferentiation and reprogramming into adipocytes. Since platelets contain BMPs within their granules, it is possible that platelet-rich plasma (PRP) can act as a vehicle to deliver BMP to sites of scarring or potential scarring...
March 30, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29577017/high-density-human-mesenchymal-stem-cell-rings-with-spatiotemporally-controlled-morphogen-presentation-as-building-blocks-for-engineering-bone-diaphyseal-tissue
#4
Samuel Herberg, Daniel Varghai, Yuxuan Cheng, Anna D Dikina, Phuong N Dang, Marsha W Rolle, Eben Alsberg
Emerging biomimetic tissue engineering strategies aim to partially recapitulate fundamental events that transpire during embryonic skeletal development; namely, cellular self-organization and targeted morphogenetic pathway activation. Here, we describe self-assembled, scaffold-free human mesenchymal stem cell (hMSC) rings featuring microparticle-mediated presentation of transforming growth factor-β1 (TGF-β1) and bone morphogenetic protein-2 (BMP-2). We tested the hypothesis that spatiotemporally-controlled dual presentation of TGF-β1 and BMP-2 is superior in modulating in vitro endochondral ossification of high-density cellular constructs compared to single morphogen delivery...
2018: Nanotheranostics
https://www.readbyqxmd.com/read/29511023/loss-of-mob1a-b-in-mice-results-in-chondrodysplasia-due-to-yap1-taz-tead-dependent-repression-of-sox9
#5
Hiroki Goto, Miki Nishio, Yoko To, Tatsuya Oishi, Yosuke Miyachi, Tomohiko Maehama, Hiroshi Nishina, Haruhiko Akiyama, Tak Wah Mak, Yuma Makii, Taku Saito, Akihiro Yasoda, Noriyuki Tsumaki, Akira Suzuki
Hippo signaling is modulated in response to cell density, external mechanical forces, and rigidity of the extracellular matrix (ECM). The Mps one binder kinase activator (MOB) adaptor proteins are core components of Hippo signaling and influence Yes-associated protein 1 (YAP1) and transcriptional co-activator with PDZ-binding motif (TAZ), which are potent transcriptional regulators. YAP1/TAZ are key contributors to cartilage and bone development but the molecular mechanisms by which the Hippo pathway controls chondrogenesis are largely unknown...
March 16, 2018: Development
https://www.readbyqxmd.com/read/29490341/novel-combination-bmp7-and-hgf-gene-therapy-instigates-selective-myofibroblast-apoptosis-and-reduces-corneal-haze-in-vivo
#6
Suneel Gupta, Michael K Fink, Arkasubhra Ghosh, Ratnakar Tripathi, Prashant R Sinha, Ajay Sharma, Nathan P Hesemann, Shyam S Chaurasia, Elizabeth A Giuliano, Rajiv R Mohan
Purpose: We tested the potential of bone morphogenic protein 7 (BMP7) and hepatocyte growth factor (HGF) combination gene therapy to treat preformed corneal fibrosis using established rabbit in vivo and human in vitro models. Methods: Eighteen New Zealand White rabbits were used. Corneal fibrosis was produced by alkali injury. Twenty-four hours after scar formation, cornea received topically either balanced salt solution (BSS; n = 6), polyethylenimine-conjugated gold nanoparticle (PEI2-GNP)-naked plasmid (n = 6) or PEI2-GNP plasmids expressing BMP7 and HGF genes (n = 6)...
February 1, 2018: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29481792/fasudil-inhibits-neutrophil-endothelial-cell-interactions-by-regulating-the-expressions-of-grp78-and-bmpr2
#7
Jingjing Wang, Jian Xu, Xinyun Zhao, Weiping Xie, Hong Wang, Hui Kong
Regulation of leukocyte-endothelial cell interactions and of vascular permeability plays a critical role in the maintenance of functional pulmonary microvascular barriers. Little is yet known about the effect of the Rho-associated protein kinase (ROCK) inhibitor fasudil on leukocyte-endothelial cell interactions or the underlying mechanism. In the present study, as evaluated using co-culture systems of neutrophils and human pulmonary microvascular endothelial cells (HPMECs), fasudil dose-dependently suppressed neutrophil chemotaxis by decreasing the production of chemotactic factors in lipopolysaccharide (LPS)-treated HPMECs...
April 1, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29462060/iliac-crest-bone-graft-for-minimally-invasive-transforaminal-lumbar-interbody-fusion-a-prospective-analysis-of-inpatient-pain-narcotics-consumption-and-costs
#8
Brittany E Haws, Benjamin Khechen, Ankur S Narain, Fady Y Hijji, Kaitlyn L Cardinal, Jordan A Guntin, Kern Singh
STUDY DESIGN: Retrospective Analysis OBJECTIVE.: The aim of this study was to determine whether an association between increased acute pain, postoperative time, and direct hospital costs exists between the use of iliac crest bone grafting (ICBG) and bone morphogenic protein (BMP)-2 following a primary, single-level minimally invasive transforaminal lumbar interbody fusion (MIS TLIF). SUMMARY OF BACKGROUND DATA: ICBG has been associated with enhanced fusion rates...
February 16, 2018: Spine
https://www.readbyqxmd.com/read/29396910/superior-bone-inducing-potential-of-rhbmp9-compared-to-rhbmp2
#9
Masako Fujioka-Kobayashi, Mustafa Abd El Raouf, Nikola Saulacic, Eizaburo Kobayashi, Yufeng Zhang, Benoit Schaller, Richard J Miron
Recombinant human bone morphogenic protein (rhBMP) 9 has recently been reported to have more osteopromotive potential in vitro when compared to rhBMP2. The aim of the present study was to investigate the bone-inducing potential of rhBMP2 and rhBMP9. We compared rhBMP2, rhBMP7, and rhBMP9 at five different concentrations and showed convincingly that rhBMP9 possesses much greater potential for osteoblast differentiation even at 20 times lower concentrations in vitro. We further show that Noggin, an inhibitor for rhBMP2-induced osteogenesis, did not alter rhBMP9-induced osteogenesis...
June 2018: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/29390875/defined-culture-conditions-accelerate-small-molecule-assisted-neural-induction-for-the-production-of-neural-progenitors-from-human-induced-pluripotent-stem-cells
#10
Patrick Walsh, Vincent Truong, Caitlin Hill, Nicolas D Stoflet, Jessica Baden, Walter C Low, Susan A Keirstead, James R Dutton, Ann M Parr
The use of defined conditions for derivation, maintenance, and differentiation of human-induced pluripotent stem cells (hiPSCs) provides a superior experimental platform to discover culture responses to differentiation cues and elucidate the basic requirements for cell differentiation and fate restriction. Adoption of defined systems for reprogramming, undifferentiated growth, and differentiation of hiPSCs was found to significantly influence early stage differentiation signaling requirements and temporal kinetics for the production of primitive neuroectoderm...
December 2017: Cell Transplantation
https://www.readbyqxmd.com/read/29367536/on-the-evolution-of-the-cardiac-pacemaker
#11
REVIEW
Silja Burkhard, Vincent van Eif, Laurence Garric, Vincent M Christoffels, Jeroen Bakkers
The rhythmic contraction of the heart is initiated and controlled by an intrinsic pacemaker system. Cardiac contractions commence at very early embryonic stages and coordination remains crucial for survival. The underlying molecular mechanisms of pacemaker cell development and function are still not fully understood. Heart form and function show high evolutionary conservation. Even in simple contractile cardiac tubes in primitive invertebrates, cardiac function is controlled by intrinsic, autonomous pacemaker cells...
April 27, 2017: Journal of Cardiovascular Development and Disease
https://www.readbyqxmd.com/read/29361851/is-osteogenic-differentiation-of-human-nucleus-pulposus-cells-a-possibility-for-biological-spinal-fusion
#12
Sharon J Brown, Sarah A Turner, Birender S Balain, Neil T Davidson, Sally Roberts
Objective The purpose of this study was to investigate whether a simple, biologically robust method for inducing calcification of degenerate intervertebral discs (IVD) could be developed to provide an alternative treatment for patients requiring spinal fusion. Design Nucleus pulposus (NP) cells isolated from 14 human IVDs were cultured in monolayer and exposed to osteogenic medium, 1,25-dihydroxyvitamin D3 (VitD3 ), parathyroid hormone (PTH), and bone morphogenic proteins (BMPs) 2/7 to determine if they could become osteogenic...
January 1, 2018: Cartilage
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
#13
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...
February 28, 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
#14
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
#15
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...
March 2018: 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
#16
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
#17
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
#18
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...
March 2018: Cornea
https://www.readbyqxmd.com/read/29154973/inhibition-of-bmp-signaling-overcomes-acquired-resistance-to-cetuximab-in-oral-squamous-cell-carcinomas
#19
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 bone morphogenic protein-7-phosphorylated Smad-1, -5, -8 (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 p-Smad1/5/8...
February 1, 2018: 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
#20
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...
February 2018: Journal of Neurosurgery. Pediatrics
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