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Bone morphogenic protein

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https://www.readbyqxmd.com/read/28214837/efficacy-of-glucosamine-sulphate-in-skin-ageing-results-from-an-ex-vivo-anti-ageing-model-and-a-clinical-trial
#1
Audrey Gueniche, Isabelle Castiel-Higounenc
BACKGROUND: Glucosamine sulphate (GS) is essential in the biosynthesis of glycolipids, glycoproteins, glycosaminoglycans (GAGs), hyaluronate, and proteoglycans. Connective tissues primarily contain collagen and proteoglycans and play an important role in skin ageing. OBJECTIVE: The objectives were to assess ex vivo the impact of GS on skin ageing parameters and in vivo the effect of GS on the skin physiology of mature healthy volunteers after oral intake. METHODS: The impact of GS on skin ageing was assessed ex vivo via different immunohistochemical assays and histology and via a clinical study using biopsies...
February 18, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28214472/bmp-12-activates-tenogenic-pathway-in-human-adipose-stem-cells-and-affects-their-immunomodulatory-and-secretory-properties
#2
Weronika Zarychta-Wiśniewska, Anna Burdzinska, Agnieszka Kulesza, Kamila Gala, Beata Kaleta, Katarzyna Zielniok, Katarzyna Siennicka, Marek Sabat, Leszek Paczek
BACKGROUND: Cell-based therapy is a treatment method in tendon injuries. Bone morphogenic protein 12 (BMP-12) possesses tenogenic activity and was proposed as a differentiating factor for stem cells directed to transplantation. However, BMPs belong to pleiotropic TGF-β superfamily and have diverse effect on cells. Therefore, the aim of this study was to determine if BMP-12 induces tenogenic differentiation of human adipose stem cells (hASCs) and how it affects other features of this population...
February 18, 2017: BMC Cell Biology
https://www.readbyqxmd.com/read/28192166/detailed-expression-profile-of-the-six-glypicans-and-their-modifying-enzyme-notum-during-chick-limb-and-feather-development
#3
Kawakeb Saad, Susanne Theis, Anthony Otto, Graham Luke, Ketan Patel
The development of vertebrate appendages, especially the limb and feather buds are orchestrated by numerous secreted signalling molecules including Sonic Hedgehog, Bone Morphogenetic Proteins, Fibroblast Growth Factors and Wnts. These proteins coordinate the growth and patterning of ectodermal and mesenchymal cells. The influence of signalling molecules is affected over large distances by their concentration (morphogen activity) but also at local levels by the presence of proteins that either attenuate or promote their activity...
February 10, 2017: Gene
https://www.readbyqxmd.com/read/28188237/first-identification-of-kr%C3%A3-ppel-like-factor-2-mutation-in-heritable-pulmonary-arterial-hypertension
#4
Christina A Eichstaedt, Jie Song, Rebecca Rodríguez Viales, Zixuan Pan, Nicola Benjamin, Christine Fischer, Marius Hoeper, Silvia Ulrich, Katrin Hinderhofer, Ekkehard Grünig
Heritable pulmonary arterial hypertension (HPAH) is an autosomal dominantly inherited disease caused by mutations in the bone morphogenic protein receptor 2 gene and/or genes of its signalling pathway in about 85% of patients. We clinically and genetically analysed a HPAH family without mutations in previously described PAH genes. Clinical assessment included electrocardiogram, lung function, blood gas analysis, chest X-ray, laboratory testing, echocardiography and right heart catheterisation in case of suspected disease...
February 10, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28188131/momelotinib-inhibits-acvr1-alk2-decreases-hepcidin-production-and-ameliorates-anemia-of-chronic-disease-in-rodents
#5
Malte Asshoff, Verena Petzer, Matthew R Warr, David Haschka, Piotr Tymoszuk, Egon Demetz, Markus Seifert, Wilfried Posch, Manfred Nairz, Pat Maciejewski, Peter Fowles, Christopher J Burns, Gregg Smith, Kay-Uwe Wagner, Guenter Weiss, J Andrew Whitney, Igor Theurl
Patients with myelofibrosis (MF) often develop anemia and frequently become dependent on red blood cell transfusions. Results from a phase 2 study for the treatment of MF with the Janus kinase1/2 (JAK1/2) inhibitor momelotinib (MMB) demonstrated that MMB treatment ameliorated anemia, unexpected for a JAK1/2 inhibitor, as erythropoietin-mediated JAK2 signaling is essential for erythropoiesis. Using a rat model of anemia of chronic disease (ACD), we now demonstrate that MMB treatment can normalize hemoglobin and red blood cell numbers...
February 10, 2017: Blood
https://www.readbyqxmd.com/read/28159972/role-of-id-proteins-in-bmp4-inhibition-of-profibrotic-effects-of-tgf-%C3%AE-2-in-human-tm-cells
#6
Avani A Mody, Robert J Wordinger, Abbot F Clark
Purpose: Increased expression of TGF-β2 in primary open-angle glaucoma (POAG) aqueous humor (AH) and trabecular meshwork (TM) causes deposition of extracellular matrix (ECM) in the TM and elevated IOP. Bone morphogenetic proteins (BMPs) regulate TGF-β2-induced ECM production. The underlying mechanism for BMP4 inhibition of TGF-β2-induced fibrosis remains undetermined. Bone morphogenic protein 4 induces inhibitor of DNA binding proteins (ID1, ID3), which suppress transcription factor activities to regulate gene expression...
February 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28145426/two-novel-bmp-2-variants-identified-in-patients-with-thoracic-ossification-of-the-ligamentum-flavum
#7
Xiaochen Qu, Zhongqiang Chen, Dongwei Fan, Shen Xiang, Chuiguo Sun, Yan Zeng, Weishi Li, Zhaoqing Guo, Qiang Qi, Woquan Zhong, Yun Jiang
Thoracic ossification of the ligamentum flavum (TOLF)is a common cause of thoracic spinal canal stenosis and has been reported almost exclusively in East Asian countries. In this study, we established a relationship between bone morphogenic protein 2 (BMP-2) and TOLF. We divided patients into two groups according to severity of ossification and identified susceptible loci through exome sequencing. We identified 39 novel likely pathogenic variants in 29 genes in the transforming growth factor-beta (TGF-β) superfamily or TGF-β/BMPs signaling pathway, including two missense variants in BMP-2 (NM_001200...
February 1, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28139726/bmp2-coprecipitated-calcium-phosphate-granules-enhance-osteoinductivity-of-deproteinized-bovine-bone-and-bone-formation-during-critical-sized-bone-defect-healing
#8
Tie Liu, Yuanna Zheng, Gang Wu, Daniel Wismeijer, Janak L Pathak, Yuelian Liu
Most materials used clinically for filling critical-sized bone defects (CSBD), such as deproteinized bovine bone (DBB), lack osteoinductivity so that their therapeutic effects are far from satisfactory. The effect of bone morphogenic protein 2 (BMP2)-coprecipitated biomimetic calcium phosphate granules (BMP2-cop.BioCaP) on osteoinduction of DBB graft(s) during CSBD healing is still unknown. We investigated whether BMP2-cop.BioCaP affects the osteoinductivity of DBB, bone formation, and foreign body reaction during CSBD healing...
January 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28128866/cyclin-dependent-kinase-inhibitor-1-deficient-mice-are-susceptible-to-osteoarthritis-associated-with-enhanced-inflammation
#9
Shinsuke Kihara, Shinya Hayashi, Shingo Hashimoto, Noriyuki Kanzaki, Koji Takayama, Tomoyuki Matsumoto, Nobuaki Chinzei, Kenjiro Iwasa, Masahiko Haneda, Kazuhiro Takeuchi, Kotaro Nishida, Ryosuke Kuroda
Osteoarthritis (OA) is a multifactorial disease, and recent data suggested that cell cycle-related proteins play a role in OA pathology. Cyclin-dependent kinase (CDK) inhibitor 1 (p21) regulates activation of other CDKs, and recently, we reported that p21 deficiency induced susceptibility to OA induced by destabilization of the medial meniscus (DMM) surgery through STAT3-signaling activation. However, the mechanisms associated with why p21 deficiency led to susceptibility to OA by the STAT3 pathway remain unknown...
January 27, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28128363/rhbmp-2-loaded-3d-printed-mesoporous-silica-calcium-phosphate-cement-porous-scaffolds-with-enhanced-vascularization-and-osteogenesis-properties
#10
Cuidi Li, Chuan Jiang, Yuan Deng, Tao Li, Ning Li, Mingzheng Peng, Jinwu Wang
A major limitation in the development of effective scaffolds for bone regeneration has been the limited vascularization of the regenerating tissue. Here, we propose the development of a novel calcium phosphate cement (CPC)-based scaffold combining the properties of mesoporous silica (MS) with recombinant human bone morphogenic protein-2 (rhBMP-2) to facilitate vascularization and osteogenesis. Specifically, the development of a custom MS/CPC paste allowed the three-dimensional (3D) printing of scaffolds with a defined macroporous structure and optimized silicon (Si) ions release profile to promote the ingrowth of vascular tissue at an early stage after implantation in support of tissue viability and osteogenesis...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28101231/the-biological-significance-of-methylome-differences-in-human-papilloma-virus-associated-head-and-neck-cancer
#11
Maria J Worsham, Kang Mei Chen, Indrani Datta, Josena K Stephen, Dhananjay Chitale, Alexandra Gothard, George Divine
In recent years, studies have suggested that promoter methylation in human papilloma virus (HPV) positive head and neck squamous cell carcinoma (HNSCC) has a mechanistic role and has the potential to improve patient survival. The present study aimed to replicate key molecular findings from previous analyses of the methylomes of HPV positive and HPV negative HNSCC in an independent cohort, to assess the reliability of differentially methylated markers in HPV-associated tumors. HPV was measured using real-time quantitative PCR and the biological significance of methylation differences was assessed by Ingenuity Pathway Analysis (IPA)...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28063668/activation-of-cd137-signaling-accelerates-vascular-calcification-in-vivo-and-vitro
#12
Yao Chen, Abdul Basit Bangash, Juan Song, Wei Zhong, Cuiping Wang, Chen Shao, Zhongqun Wang, Jinchuan Yan
OBJECTIVES: Vascular calcification is a characteristic feature of atherosclerosis and is considered as an independent predictor of cardiovascular risk. CD137 signaling has previously shown to be involved in atherosclerosis. However, the possible role of CD137 signaling in regulation of vascular calcification has not been reported. In the present study, we investigated the effect of CD137 signaling on vascular calcification in ApoE(-/-) mice and in vascular smooth muscle cells (VSMCs) of mice...
March 1, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28035075/the-hippo-signaling-pathway-provides-novel-anti-cancer-drug-targets
#13
REVIEW
June Sung Bae, Sun Mi Kim, Ho Lee
The Hippo signaling pathway plays a crucial role in cell proliferation, apoptosis, differentiation, and development. Major effectors of the Hippo signaling pathway include the transcriptional co-activators Yes-associated protein 1 (YAP) and WW domain-containing transcription regulator protein 1 (TAZ). The transcriptional activities of YAP and TAZ are affected by interactions with proteins from many diverse signaling pathways as well as responses to the external environment. High YAP and TAZ activity has been observed in many cancer types, and functional dysregulation of Hippo signaling enhances the oncogenic properties of YAP and TAZ and promotes cancer development...
December 27, 2016: Oncotarget
https://www.readbyqxmd.com/read/28025991/early-cellular-responses-of-bmscs-genetically-modified-with-bfgf-bmp2-co-cultured-with-ligament-fibroblasts-in-a-three-dimensional-model-in%C3%A2-vitro
#14
Bin Li, Ramesh Kumar Jha, Yong-Jian Qi, Qu-Bo Ni, Hui Wang, Biao Chen, Liao-Bin Chen
Currently, a number of strategies including the implantation of bone marrow-derived mesenchymal stem cells (BMSCs) and growth factors have been developed to regenerate the tendon-to-bone interface after performing anterior cruciate ligament reconstruction. However, the mechanisms behind the interactions of the implanted BMSCs and tendon cells remain to be elucidated. The aim of this study was to evaluate the early cellular responses of BMSCs genetically modified with basic growth factor growth factor (bFGF)/bone morphogenic protein 2 (BMP2) and ligament fibroblasts in a three-dimensional co-culture model...
November 2016: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28024586/microstructural-control-of-modular-peptide-release-from-microporous-biphasic-calcium-phosphate
#15
Samantha J Polak, Jae Sung Lee, William L Murphy, Solène Tadier, Laurent Grémillard, Ian V Lightcap, Amy J Wagoner Johnson
Drug release from tissue scaffolds is commonly controlled by using coatings and carriers, as well as by varying the binding affinity of molecules being released. This paper considers modulating synthetic peptide incorporation and release through the use of interconnected microporosity in biphasic calcium phosphate (BCP) and identifies the microstructural characteristics important to the release using experiments and a model of relative diffusivity. First, the release of three modular peptides designed to include an osteocalcin-inspired binding sequence based on bone morphogenic protein-2 (BMP-2) was compared and one was selected for further study...
March 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28005004/functional-evolution-of-a-morphogenetic-gradient
#16
Chun Wai Kwan, Jackie Gavin-Smyth, Edwin L Ferguson, Urs Schmidt-Ott
Bone Morphogenetic Proteins (BMPs) pattern the dorsal-ventral axis of bilaterian embryos; however, their roles in the evolution of body plan are largely unknown. We examined their functional evolution in fly embryos. BMP signaling specifies two extraembryonic tissues, the serosa and amnion, in basal-branching flies such as Megaselia abdita, but only one, the amnioserosa, in Drosophila melanogaster. The BMP signaling dynamics are similar in both species until the beginning of gastrulation, when BMP signaling broadens and intensifies at the edge of the germ rudiment in Megaselia, while remaining static in Drosophila...
December 22, 2016: ELife
https://www.readbyqxmd.com/read/28002369/transient-local-bone-remodeling-effects-of-rhbmp-2-in-an-ovine-interbody-spine-fusion-model
#17
Hyun W Bae, Vikas V Patel, Zeeshan M Sardar, Jeffrey M Badura, Ben B Pradhan, Howard B Seim, A Simon Turner, Jeffrey M Toth
BACKGROUND: Recombinant human bone morphogenetic protein-2 (rhBMP-2) is a powerful osteoinductive morphogen capable of stimulating the migration of mesenchymal stem cells (MSCs) to the site of implantation and inducing the proliferation and differentiation of these MSCs into osteoblasts. Vertebral end-plate and vertebral body resorption has been reported after interbody fusion with high doses of rhBMP-2. In this study, we investigated the effects of 2 rhBMP-2 doses on peri-implant bone resorption and bone remodeling at 7 time points in an end-plate-sparing ovine interbody fusion model...
December 21, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27994786/bone-morphogenic-protein-is-a-viable-adjunct-for-fusion-in-minimally-invasive-transforaminal-lumbar-interbody-fusion
#18
M Mashfiqul Arafin Siddiqui, Ana Rosario P Sta Ana, William Yeo, Wai-Mun Yue
STUDY DESIGN: Comparison of prospectively collected data of patients undergoing minimally invasive surgery transforaminal lumbar interbody fusion (MIS-TLIF) with and without recombinant human bone morphogenic protein 2 (BMP). PURPOSE: To compare the clinical, radiological outcome and complications of patients undergoing MIS-TLIF with and without BMP. OVERVIEW OF LITERATURE: BMP is an effective fusion enhancer with potential complications. Direct comparison of MIS-TLIF with and without BMP is limited to retrospective studies with short follow-up...
December 2016: Asian Spine Journal
https://www.readbyqxmd.com/read/27943413/aberrant-connective-tissue-differentiation-towards-cartilage-and-bone-underlies-human-keloids-in-african-americans
#19
Judilyn Fuentes-Duculan, Kathleen M Bonifacio, Mayte Suárez-Fariñas, Norma Kunjravia, Sandra Garcet, Tristan Cruz, Claire Q F Wang, Hui Xu, Patricia Gilleadeau, Mary Sullivan-Whalen, Michael H Tirgan, James G Krueger
Keloids are benign fibroproliferative tumors more frequently found among African Americans. Until now, keloid etiopathogenesis is not fully understood. To characterize keloids in African Americans, we performed transcriptional profiling of biopsies from large chronic keloids, adjacent nonlesional (NL) skin (n=3) and a newly formed keloid lesion using Affymetrix HGU133 2.0 plus arrays. Quantitative RT-PCR (qRT-PCR) and immunohistochemistry staining were done to confirm increased expression of relevant genes...
December 11, 2016: Experimental Dermatology
https://www.readbyqxmd.com/read/27922190/clc-3-promotes-osteogenic-differentiation-in-mc3t3-e1-cell-after-dynamic-compression
#20
Dawei Wang, Hao Wang, Feng Gao, Kun Wang, Fusheng Dong
ClC-3 chloride channel has been proved to have a relationship with the expression of osteogenic markers during osteogenesis, persistent static compression can upregulate the expression of ClC-3 and regulate osteodifferentiation in osteoblasts. However, there was no study about the relationship between the expression of ClC-3 and osteodifferentiation after dynamic compression. In this study, we applied dynamic compression on MC3T3-E1 cells to detect the expression of ClC-3, runt-related transcription factor 2 (Runx2), bone morphogenic protein-2 (BMP-2), osteopontin (OPN), nuclear-associated antigen Ki67 (Ki67), and proliferating cell nuclear antigen (PCNA) in biopress system, then we investigated the expression of these genes after dynamic compression with Chlorotoxin (specific ClC-3 chloride channel inhibitor) added...
December 6, 2016: Journal of Cellular Biochemistry
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