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Bone morphogenic protein

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https://www.readbyqxmd.com/read/29766758/anti-inflammatory-peptide-attenuates-edema-and-promotes-bmp-2-induced-bone-formation-in-spine-fusion
#1
Juliane D Glaeser, Khosrowdad Salehi, Linda Kanim, Dmitriy Sheyn, Zachary NaPier, Phillip Behrens, Leslie Garcia, Jason M Cuéllar, Hyun W Bae
Recombinant human bone morphogenic protein-2 (BMP-2) loaded absorbable collagen sponges (ACS) have been successfully used to enhance bone formation and to induce spinal fusion in humans. However, side effects, such as soft-tissue edema and inflammation, have been reported. NEMO binding domain peptide (NBD) inhibits activation of nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB), a central regulator of immune response. In this study, we investigated NBD's potential to reduce BMP-2-induced soft-tissue inflammation without affecting BMP-2-mediated spinal fusion in rat...
May 16, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29760957/simulated-microgravity-induces-a-cellular-regression-of-the-mature-phenotype-in-human-primary-osteoblasts
#2
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/29746183/msx2-marks-spatially-restricted-populations-of-mesenchymal-precursors
#3
N Sakagami, Y Matsushita, S Syklawer-Howle, H M Kronenberg, W Ono, N Ono
Craniofacial development requires a set of patterning codes that define the identities of postmigratory mesenchymal cells in a region-specific manner, in which locally expressed morphogens, including fibroblast growth factors (FGFs) and bone morphogenetic proteins (BMPs), provide instructive cues. Msx2, a bona fide target of BMP signaling, is a transcription factor regulating Runx2 and osterix (Osx), whose mutations are associated with cranial deformities in humans. Here we show that Msx2 defines osteo-chondro precursor cells in specific regions of the craniofacial mesenchyme at the postmigratory stage, particularly in the mandibular process and the posterior cranial vault...
May 1, 2018: Journal of Dental Research
https://www.readbyqxmd.com/read/29682876/soybean-lecithin-mediated-nanoporous-plga-microspheres-with-highly-entrapped-and-controlled-released-bmp-2-as-a-stem-cell-platform
#4
Daixu Wei, Ruirui Qiao, Jinwei Dao, Jing Su, Chengmin Jiang, Xichang Wang, Mingyuan Gao, Jian Zhong
Injectable polymer microsphere-based stem cell delivery systems have a severe problem that they do not offer a desirable environment for stem cell adhesion, proliferation, and differentiation because it is difficult to entrap a large number of hydrophilic functional protein molecules into the core of hydrophobic polymer microspheres. In this work, soybean lecithin (SL) is applied to entrap hydrophilic bone morphogenic protein-2 (BMP-2) into nanoporous poly(lactide-co-glycolide) (PLGA)-based microspheres by a two-step method: SL/BMP-2 complexes preparation and PLGA/SL/BMP-2 microsphere preparation...
April 22, 2018: Small
https://www.readbyqxmd.com/read/29652075/impact-of-tgf-%C3%AE-family-related-growth-factors-on-chondrogenic-differentiation-of-adipose-derived-stem-cells-isolated-from-lipoaspirates-and-infrapatellar-fat-pads-of-osteoarthritic-patients
#5
E López-Ruiz, G Jiménez, W Kwiatkowski, E Montañez, F Arrebola, E Carrillo, S Choe, J A Marchal, M Perán
The success of cell-based approaches for the treatment of cartilage defects requires an optimal autologous cell source with chondrogenic differentiation ability that maintains its differentiated properties and stability following implantation. The objective of this study was to compare the chondrogenic capacity of mesenchymal stem cells (MSCs) isolated from lipoaspirates (ASCs) and the infrapatellar fat pad (IFPSCs) of osteoarthritic patients and treated with transforming growth factor (TGF)-β family-related growth factors...
April 13, 2018: European Cells & Materials
https://www.readbyqxmd.com/read/29648890/phelligridin-d-loaded-oral-nanotube-titanium-implant-enhances-osseointegration-and-prevents-osteolysis-in-rat-mandible
#6
Ji-Eun Kim, Jyoti Shrestha Takanche, Jeong-Seok Kim, Min-Ho Lee, Jae-Gyu Jeon, Il-Song Park, Ho-Keun Yi
Poor bone quality and osteolysis are the major causes of implant failure in dentistry. Here, this study tested the effect of phelligridin D-loaded nanotubes titanium (Ti) for bone formation around the dental implants. The purpose of this study was to enhance osseointegration of phelligridin D-loaded implant into the bone for bone formation and prevention of osteolysis. Cell viability, crystal violet staining, Western blot, alizarin red S staining, alkaline phosphatase activity, tartrate-resistant acid phosphatase staining, micro-computed tromography (μ-CT), hematoxylin and eosin (H&E) and immunohistochemical staining were used in vitro and in vivo to test the biocompatibility of phelligridin D...
April 12, 2018: Artificial Cells, Nanomedicine, and Biotechnology
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
#7
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
#8
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/29577064/functionalization-of-pcl-3d-electrospun-nanofibrous-scaffolds-for-improved-bmp2-induced-bone-formation
#9
Jacob M Miszuk, Tao Xu, Qingqing Yao, Fang Fang, Josh D Childs, Zhongkui Hong, Jianning Tao, Hao Fong, Hongli Sun
Bone morphogenic protein 2 (BMP2) is a key growth factor for bone regeneration, possessing FDA approval for orthopedic applications. BMP2 is often required in supratherapeutic doses clinically, yielding adverse side effects and substantial treatment costs. Considering the crucial role of materials for BMPs delivery and cell osteogenic differentiation, we devote to engineering an innovative bone-matrix mimicking niche to improve low dose of BMP2-induced bone formation. Our previous work describes a novel technique, named thermally induced nanofiber self-agglomeration (TISA), for generating 3D electrospun nanofibrous (NF) polycaprolactone (PCL) scaffolds...
March 2018: Applied Materials Today
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
#10
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/29564921/hollow-modular-anchorage-hma-screws-for-anterior-transvertebral-fixation-in-high-grade-spondylolisthesis-cases-requiring-360-degrees-in-situ-fusion
#11
Matthias A König, Bronek M Boszczyk
OBJECTIVE: 360 degrees in-situ fusion for high-grade spondylolisthesis showed satisfying clinical long-term results. Combining anterior with posterior surgery increases fusion rates. Anteriorly inserted transvertebral HMA screws could be an alternative to strut graft constructs or cages, avoiding donor site complications. In addition, complete posterior muscle detachment is avoided and the injury risk of neural structures is minimized. This study investigates the use of HMA screws in this context...
March 22, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29511023/loss-of-mob1a-b-in-mice-results-in-chondrodysplasia-due-to-yap1-taz-tead-dependent-repression-of-sox9
#12
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/29500191/primary-cilia-sensitize-endothelial-cells-to-bmp-and-prevent-excessive-vascular-regression
#13
Anne-Clémence Vion, Silvanus Alt, Alexandra Klaus-Bergmann, Anna Szymborska, Tuyu Zheng, Tijana Perovic, Adel Hammoutene, Marta Bastos Oliveira, Eireen Bartels-Klein, Irene Hollfinger, Pierre-Emmanuel Rautou, Miguel O Bernabeu, Holger Gerhardt
Blood flow shapes vascular networks by orchestrating endothelial cell behavior and function. How endothelial cells read and interpret flow-derived signals is poorly understood. Here, we show that endothelial cells in the developing mouse retina form and use luminal primary cilia to stabilize vessel connections selectively in parts of the remodeling vascular plexus experiencing low and intermediate shear stress. Inducible genetic deletion of the essential cilia component intraflagellar transport protein 88 (IFT88) in endothelial cells caused premature and random vessel regression without affecting proliferation, cell cycle progression, or apoptosis...
May 7, 2018: Journal of Cell Biology
https://www.readbyqxmd.com/read/29498305/ectopic-osteogenesis-effect-of-antigen-extracted-xenogeneic-cancellous-bone-graft-with-chitosan-rhbmp-2-bfgf-sequential-sustained-release-nanocapsules
#14
Ze-Jian Li, Chun-Ting Lu, Ren-Fa Lai
To explore the ectopic osteogenesis effect of sequential sustained release application of recombinant human bone morphogenic protein-2 (rhBMP-2) and basic fibroblast growth factor (bFGF). Antigen-extracted xenogeneic cancellous bone coupled with growth factor-loaded chitosan nanocapsules were implanted in rats in intramuscular site in accordance with the following experimental pattern: group A: simultaneous burst release of rhBMP-2 and bFGF; group B: simultaneous sustained release of rhBMP-2 and bFGF; group C: preferential burst release of rhBMP-2, then sustained release of bFGF; group D: preferential burst release of bFGF, then sustained release of rhBMP-2; group E: sustained release of rhBMP-2 alone; group F: sustained release of bFGF alone, blank control group G: antigen-extracted xenogeneic cancellous bone graft only; negative control group H: not filled with anything...
January 1, 2018: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/29490341/novel-combination-bmp7-and-hgf-gene-therapy-instigates-selective-myofibroblast-apoptosis-and-reduces-corneal-haze-in-vivo
#15
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
#16
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
#17
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/29461365/alternatives-to-autologous-bone-graft-in-alveolar-cleft-reconstruction-the-state-of-alveolar-tissue-engineering
#18
Fan Liang, Hyuma Leland, Breanna Jedrzejewski, Allyn Auslander, Seija Maniskas, Jordan Swanson, Mark Urata, Jeffrey Hammoudeh, William Magee
Alveolar cleft reconstruction has historically relied on autologous iliac crest bone grafting (ICBG), but donor site morbidity, pain, and prolonged hospitalization have prompted the search for bone graft substitutes. The authors evaluated bone graft substitutes with the highest levels of evidence, and highlight the products that show promise in alveolar cleft repair and in maxillary augmentation. This comprehensive review guides the craniofacial surgeon toward safe and informed utilization of biomaterials in the alveolar cleft...
May 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29444183/nanoparticle-antagomir-based-targeting-of-mir-31-to-induce-osterix-and-osteocalcin-expression-in-mesenchymal-stem-cells
#19
Mark McCully, João Conde, Pedro V Baptista, Margaret Mullin, Matthew J Dalby, Catherine C Berry
Mesenchymal stem cells are multipotent adult stem cells capable of generating bone, cartilage and fat, and are thus currently being exploited for regenerative medicine. When considering osteogenesis, developments have been made with regards to chemical induction (e.g. differentiation media) and physical induction (e.g. material stiffness, nanotopography), targeting established early transcription factors or regulators such as runx2 or bone morphogenic proteins and promoting increased numbers of cells committing to osteo-specific differentiation...
2018: PloS One
https://www.readbyqxmd.com/read/29432759/bisphenol-a-exposure-disturbs-the-bone-metabolism-an-evolving-interest-towards-an-old-culprit
#20
REVIEW
Zar Chi Thent, Gabriele Ruth Anisah Froemming, Suhaila Muid
Bisphenol A (BPA) (2,2,-bis (hydroxyphenyl) propane), a well-known endocrine disruptor (ED), is the exogenous chemical that mimic the natural endogenous hormone like oestrogen. Due to its extensive exposure to humans, BPA is considered to be a major toxicological agent for general population. Environmental exposure of BPA results in adverse health outcomes including bone loss. BPA disturbs the bone health by decreasing the plasma calcium level and inhibiting the calcitonin secretion. BPA also stimulated differentiation and induced apoptosis in human osteoblasts and osteoclasts...
April 1, 2018: Life Sciences
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