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bone morphogenetic protein 6

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https://www.readbyqxmd.com/read/28108317/silencing-mir-106b-accelerates-osteogenesis-of-mesenchymal-stem-cells-and-rescues-against-glucocorticoid-induced-osteoporosis-by-targeting-bmp2
#1
Ke Liu, Ying Jing, Wen Zhang, Xuejie Fu, Huan Zhao, Xichao Zhou, Yunxia Tao, Huilin Yang, Yan Zhang, Ke Zen, Chenyu Zhang, Donghai Li, Qin Shi
Osteoporosis is a serious health problem worldwide. MicroRNA is a post-transcriptional regulator of gene expression by either promoting mRNA degradation or interfering with mRNA translation of specific target genes. It plays a significant role in the pathogenesis of osteoporosis. Here, we first demonstrated that miR-106b (miR-106b-5p) negatively regulated osteogenic differentiation of mesenchymal stem cells in vitro. Then, we found that miR-106b expression increased in C57BL/6 mice with glucocorticoid-induced osteoporosis (GIOP), and that silencing of miR-106b signaling protected mice against GIOP through promoting bone formation and inhibiting bone resorption...
January 17, 2017: Bone
https://www.readbyqxmd.com/read/28100346/-impact-of-cd137-cd137l-signaling-mediated-exocytosis-of-autophagosome-within-vascular-smooth-muscle-cells-on-the-formation-of-atherosclerotic-calcification
#2
B Li, X Y Li, W Zhong, C Shao, Z Q Wang, W Yuan, J C Yan
Objective: To explore whether CD137-CD137L signaling mediated exocytosis of autophagosome within vascular smooth muscle cells (VSMCs) could influence the formation of atherosclerotic calcification. Methods: Fifteen 8-week-old male ApoE(-/-)(C57BL/6J-KO) mice fed with high fat diet for 5 weeks were randomly divided into three groups by using stochastic indicator method as follows: control group, n=5; agonist-CD137 group: agonist-CD137 antibody 200 μg/2 weeks for 4 weeks, ip, n=5; anti-CD137 group: 200 μg anti-CD137 antibody+ 200 μg agonist-CD137 antibody/2 weeks for 4 weeks, ip, n=5...
January 25, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28098877/differentiation-of-osteoblast%C3%A2-like-cells-and-ectopic-bone-formation-induced-by-bone-marrow-stem-cells-transfected-with-chitosan-nanoparticles-containing-plasmid%C3%A2-bmp2-sequences
#3
Zhang Qing Hong, Liu Meng Tao, Zhang Xiao Bin
The present study investigated the efficiency of the use of chitosan nanoparticles containing plasmid‑bone morphogenetic protein 2 (pBMP2) sequences (CNPBs) to induce the differentiation of bone marrow stem cells (BMSCs) into osteoblast‑like cells that may be able to promote ectopic bone formation. pBMP2s were constructed, and chitosan nanoparticles were incubated with 50, 100 or 200 µg/ml pBMP2. BMSCs were collected from the tibiae and femurs of 6‑week old rats, cultured and treated with the CNPBs or 200 µg/ml pBMP2 as a positive control...
January 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098740/adult-scoliosis-deformity-surgery-comparison-of-outcomes-between-1-vs-2-attending-surgeons
#4
Jaime A Gomez, Virginie Lafage, Daniel M Scuibba, Shay Bess, Gregory M Mundis, Barthelemy Liabaud, Regina Hanstein, Christopher Shaffrey, Michael Kelly, Christopher Ames, Justin S Smith, Peter G Passias, Thomas Errico, Frank Schwab
STUDY DESIGN: Retrospective review of prospectively collected data. OBJECTIVE: Assess outcomes of adult spinal deformity (ASD) surgery performed by 1 vs. 2 attending surgeons. SUMMARY OF BACKGROUND DATA: ASD centers have developed 2-attending teams in order to improve efficiency; their effects on complications and outcomes have not been reported. METHODS: ASD patients with ≥5 levels fused and > 2-year follow-up were included...
January 16, 2017: Spine
https://www.readbyqxmd.com/read/28060176/bone-morphogenetic-proteins-in-pediatric-spinal-arthrodesis-a-statewide-analysis-of-trends-and-outcome-of-utilization
#5
Benedict U Nwachukwu, William W Schairer, Ting Pan, Roger F Widmann, John S Blanco, Daniel W Green, Stephen Lyman, Emily R Dodwell
INTRODUCTION: Bone morphogenetic protein (BMP) is considered off-label when used to augment spinal arthrodesis in children and adolescents. There is a paucity of longer-term information on BMP use in this population. The purpose of this study was to determine the rate of BMP utilization in pediatric spinal arthrodesis, assess factors associated with BMP use in this population, and evaluate long-term outcome. METHODS: Spinal arthrodeses in patients 18 years and younger performed in New York State between 2004 and 2014 were identified through the Statewide Planning and Research Cooperative System database...
January 5, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28051358/controlled-retention-of-bmp-2-derived-peptide-on-nanofibers-based-on-mussel-inspired-adhesion-for-bone-formation
#6
Jinkyu Lee, Sajeesh Kumar Mp, Taufiq Ahmad, Min Suk Lee, Heeseok Yang, Do-Gyoon Kim, Kyobum Kim, Bosun Kwon, Heungsoo Shin
Although bone morphogenetic protein-2 (BMP-2) has been frequently used to stimulate bone formation, it has several side effects to be addressed, including the difficulty in optimization of clinically relevant doses and unwanted induction of cancerous signaling processes. In this study, an osteogenic peptide (OP) derived from BMP-2 was investigated as a substitute for BMP-2. In vitro studies showed that OP was able to enhance in the osteogenic differentiation and mineralization of human mesenchymal stem cells (hMSCs)...
January 4, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28041327/bone-graft-options-for-spinal-fusion-following-resection-of-spinal-column-tumors-systematic-review-and-meta-analysis
#7
Benjamin D Elder, Wataru Ishida, C Rory Goodwin, Ali Bydon, Ziya L Gokaslan, Daniel M Sciubba, Jean-Paul Wolinsky, Timothy F Witham
OBJECTIVE With the advent of new adjunctive therapy, the overall survival of patients harboring spinal column tumors has improved. However, there is limited knowledge regarding the optimal bone graft options following resection of spinal column tumors, due to their relative rarity and because fusion outcomes in this cohort are affected by various factors, such as radiation therapy (RT) and chemotherapy. Furthermore, bone graft options are often limited following tumor resection because the use of local bone grafts and bone morphogenetic proteins (BMPs) are usually avoided in light of microscopic infiltration of tumors into local bone and potential carcinogenicity of BMP...
January 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28032906/3-dimensional-functionalized-polycaprolactone-hyaluronic-acid-hydrogel-constructs-for-bone-tissue-engineering
#8
Stephen M Hamlet, Cedryck Vaquette, Amit Shah, Dietmar W Hutmacher, Saso Ivanovski
AIM: Alveolar bone regeneration remains a significant clinical challenge in periodontology and dental implantology. This study assessed the mineralized tissue forming potential of 3D printed medical grade polycaprolactone (mPCL) constructs containing osteoblasts encapsulated in a hyaluronic acid (HA) hydrogel incorporating bone morphogenetic protein-7 (BMP-7). MATERIALS AND METHODS: HA-hydrogels containing human osteoblasts ± BMP-7 were prepared. Cell viability, osteogenic gene expression, mineralized tissue formation and BMP-7 release in vitro, were assessed by fluorescence staining, RT-PCR, histological / μ-CT examination and ELISA respectively...
December 29, 2016: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28031424/the-dart-study-results-from-the-dose-escalation-and-expansion-cohorts-evaluating-the-combination-of-dalantercept-plus-axitinib-in-advanced-renal-cell-carcinoma
#9
Martin H Voss, Rupal S Bhatt, Elizabeth R Plimack, Brian I Rini, Robert S Alter, J Thaddeus Beck, Dawn Wilson, Xiaosha Zhang, Musa Mutyaba, Chad Glasser, Kenneth M Attie, Matthew L Sherman, Shuchi S Pandya, Michael Atkins
PURPOSE: Activin receptor-like kinase 1 (ALK1) is a novel target in angiogenesis. Concurrent targeting of ALK1 and vascular endothelial growth factor (VEGF) signaling results in augmented inhibition of tumor growth in renal cell carcinoma (RCC) xenograft models. Dalantercept is an ALK1 receptor-fusion protein that acts as a ligand trap for bone morphogenetic proteins (BMP) 9 and 10. The DART Study evaluated the safety, tolerability, pharmacokinetics, pharmacodynamics, and antitumor activity of dalantercept plus axitinib in patients with advanced RCC and determined the optimal dose for further testing...
December 28, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28028645/comparison-of-a-calcium-phosphate-bone-substitute-with-recombinant-human-bone-morphogenetic-protein-2-a-prospective-study-of-fusion-rates-clinical-outcomes-and-complications-with-24-month-follow-up
#10
Rhiannon M Parker, Gregory M Malham
PURPOSE: Recombinant human bone morphogenetic protein-2 (rhBMP-2) generally provides high rates of clinical improvement and fusion. However, rhBMP-2 has been associated with adverse effects. Recently, a beta tricalcium phosphate (β-TCP) bone substitute has been developed. The aim of this study was to determine the fusion rates and clinical outcomes of patients treated with β-TCP compared to rhBMP-2. METHODS: One hundred and thirty-five consecutive patients who underwent lateral lumbar interbody fusion with β-TCP (n = 25) or rhBMP-2 (n = 110) in the interbody cage were included in the study...
December 27, 2016: European Spine Journal
https://www.readbyqxmd.com/read/28017615/pharmacological-activation-of-aldehyde-dehydrogenase-2-promotes-osteoblast-differentiation-via-bone-morphogenetic-protein-2-and-induces-bone-anabolic-effect
#11
Monika Mittal, Subhashis Pal, Shyamsundar Pal China, Konica Porwal, Kapil Dev, Richa Shrivastava, Kanumuri Siva Rama Raju, Mamunur Rashid, Arun Kumar Trivedi, Sabyasachi Sanyal, Muhammad Wahajuddin, Smrati Bhaduria, Rakesh Maurya, Naibedya Chattopadhyay
Aldehyde dehydrogenases (ALDHs) are a family of enzymes involved in detoxifying aldehydes. Previously, we reported that an ALDH inhibitor, disulfiram caused bone loss in rats and among ALDHs, osteoblast expressed only ALDH2. Loss-of-function mutation in ALDH2 gene is reported to cause bone loss in humans which suggested its importance in skeletal homeostasis. We thus studied whether activating ALDH2 by N-(1, 3-benzodioxol-5-ylmethyl)-2, 6-dichlorobenzamide (alda-1) had osteogenic effect. We found that alda-1 increased and acetaldehyde decreased the differentiation of rat primary osteoblasts and expressions of ALDH2 and bone morphogenetic protein-2 (BMP-2)...
December 23, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28013423/cloning-expression-profiling-and-promoter-functional-analysis-of-bone-morphogenetic-protein-6-and-7-in-tongue-sole-cynoglossus-semilaevis
#12
Qian Ma, Wenrong Feng, Zhimeng Zhuang, Shufang Liu
Bone morphogenetic proteins (BMPs) play crucial roles in vertebrate developmental process and are associated with the mechanisms which drive early skeletal development. As a first approach to elucidating the role of BMPs in regulating fish bone formation and growth, we describe the cloning, expression profiling and promoter functional analysis of bmp6 and bmp7 in tongue sole (Cynoglossus semilaevis). The full length of bmp6 and bmp7 cDNA sequences is 1939 and 1836 bp, which encodes a protein of 428 and 427 amino acids, respectively...
December 24, 2016: Fish Physiology and Biochemistry
https://www.readbyqxmd.com/read/28000152/inactivation-of-bone-morphogenetic-protein-1-bmp1-and-tolloid-like-1-tll1-in-cells-expressing-type-i-collagen-leads-to-dental-and-periodontal-defects-in-mice
#13
Hua Zhang, Priyam Jani, Tian Liang, Yongbo Lu, Chunlin Qin
Bone morphogenetic protein 1 (BMP1) and tolloid-like 1 (TLL1) belong to the BMP1/tolloid-like proteinase family, which cleaves secretory proteins. The constitutive deletion of the Bmp1 or Tll1 genes causes perinatal or embryonic lethality in mice. In this study, we first studied the β-galactosidase activity in mice in which an IRES-lacZ-Neo cassette was inserted in the intron of either the Bmp1 or the Tll1 gene; the β-galactosidase activities were used to reflect the expression of endogenous Bmp1 and Tll1, respectively...
December 20, 2016: Journal of Molecular Histology
https://www.readbyqxmd.com/read/27999749/growth-and-metastasis-of-lung-adenocarcinoma-is-potentiated-by-bmp4-mediated-immunosuppression
#14
Limo Chen, Xiaohui Yi, Sangeeta Goswami, Young-Ho Ahn, Jonathon D Roybal, Yongbin Yang, Lixia Diao, Di Peng, David Peng, Jared J Fradette, Jing Wang, Lauren A Byers, Jonathan M Kurie, Stephen E Ullrich, F Xiao-Feng Qin, Don L Gibbons
Cancer cells modulate the recruitment and function of inflammatory cells to create an immunosuppressive microenvironment that favors tumor growth and metastasis. However, the tumor-derived regulatory programs that promote intratumoral immunosuppression remain poorly defined. Here, we show in a Kras(LA1/+)p53(R172HΔg/+)-based mouse model that bone morphogenetic protein-4 (BMP4) augments the expression of the T cell co-inhibitory receptor ligand PD-L1 in the mesenchymal subset of lung cancer cells, leading to profound CD8(+) T cell-mediated immunosuppression, producing tumor growth and metastasis...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27999672/dental-implant-bioactive-surface-modifications-and-their-effects-on-osseointegration-a-review
#15
REVIEW
Hsiu-Wan Meng, Esther Yun Chien, Hua-Hong Chien
BACKGROUND: The purpose of this article is to review and update the current developments of biologically active dental implant surfaces and their effect on osseointegration. METHODS: PubMed was searched for entries from January 2006 to January 2016. Only in-vivo studies that evaluated the effects of biomolecular coatings on titanium dental implants inserted into the bone of animals or humans were included. RESULTS: Thirty four non-review studies provided data and observations were included in this review...
2016: Biomarker Research
https://www.readbyqxmd.com/read/27995357/bone-morphogenetic-protein-modulator-bmper-regulates-endothelial-barrier-function
#16
Thomas Helbing, Gwendoline Wiltgen, Alexandra Hornstein, Elena Z Brauers, Linus Arnold, Adrian Bauer, Jennifer S Esser, Philipp Diehl, Sebastian Grundmann, Katrin Fink, Cam Patterson, Christoph Bode, Martin Moser
The endothelium serves as a selective barrier and controls the exchange of nutrients, hormones, and leukocytes between blood and tissues. Molecular mechanisms contributing to the pathogenesis of endothelial barrier dysfunction remain incompletely understood. Accumulating evidence implicates bone morphogenetic protein (BMP)-modulator BMPER as a key regulator in endothelial biology. Herein, we analyze the impact of BMPER in the control of endothelial barrier function. To assess the role of BMPER in vascular barrier function in mice, we measured the leakage of Evans blue dye from blood into interstitial lung tissue...
December 19, 2016: Inflammation
https://www.readbyqxmd.com/read/27989984/anterior-cervical-discectomy-and-fusion-comparison-of-fusion-dysphagia-and-complication-rates-between-recombinant-human-bone-morphogenetic-protein-2-and-beta-tricalcium-phosphate
#17
Brendan P Lovasik, Christopher M Holland, Brian M Howard, Griffin R Baum, Gerald E Rodts, Daniel Refai
INTRODUCTION: Anterior cervical discectomy and fusion (ACDF) is one of the most common spinal procedures performed. A direct comparison of the fusion and complication rates between recombinant human bone morphogenetic protein-2 (rhBMP2) and beta-tricalcium phosphate (bTCP) has not been reported. METHODS: A retrospective study of 191 consecutive patients who underwent ACDF with PEEK (poly-ether-ether ketone plastic) fusion spacers over a 2-year period with either rhBMP2 (n=84, 46%) or bTCP (n=107, 56) was performed...
October 27, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27967655/encapsulation-of-adenovirus-bmp2-transduced-cells-with-pegda-hydrogels-allows-bone-formation-in-the-presence-of-immune-response
#18
Pedro Alvarez Urena, Eleanor Davis, Corinne Sonnet, Gabrielle Henslee, Zbigniew Gugala, Edward V Strecker, Laura J Linscheid, Maude L Cuchiara, Jennifer L West, Alan R Davis, Elizabeth Olmsted-Davis
Gene therapy approaches have been difficult to implement due to pre-existing immunity against the virus used for delivery. To circumvent this problem, a cell-based approach was developed that avoided the use of free virus within the animal. However, even cells transduced in vitro with E1-E3-deleted adenovirus encoding bone morphogenetic protein 2 (AdBMP2) resulted in production of virus neutralizing antibodies in mice. Further, when mice received an intramuscular injection of nonencoding adenovirus (AdEmpty)-transduced cells, AdBMP2-transduced cells were unable to launch bone formation when an intramuscular injection of these BMP2-producing cells was delivered one week later...
December 14, 2016: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/27965139/physiological-exercise-loading-suppresses-post-traumatic-osteoarthritis-progression-via-an-increase-in-bone-morphogenetic-proteins-expression-in-an-experimental-rat-knee-model
#19
H Iijima, A Ito, M Nagai, J Tajino, S Yamaguchi, W Kiyan, A Nakahata, J Zhang, T Wang, T Aoyama, K Nishitani, H Kuroki
OBJECTIVE: To evaluate the dose-response relationship of exercise loading in the cartilage-subchondral bone (SB) unit in surgically-induced post-traumatic osteoarthritis (PTOA) of the knee. DESIGN: Destabilized medial meniscus (DMM) surgery was performed on the right knee of 12-week-old male Wistar rats, and sham surgery was performed on the contralateral knee. Four weeks after the surgery, the animals were subjected to moderate (12 m/min) or intense (21 m/min) treadmill exercises for 30 min/day, 5 days/week for 4 weeks...
December 10, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27920040/regulation-of-tgf-%C3%AE-family-signaling-by-inhibitory-smads
#20
Keiji Miyazawa, Kohei Miyazono
Inhibitory Smads (I-Smads) have conserved carboxy-terminal MH2 domains but highly divergent amino-terminal regions when compared with receptor-regulated Smads (R-Smads) and common-partner Smads (co-Smads). Smad6 preferentially inhibits Smad signaling initiated by the bone morphogenetic protein (BMP) type I receptors ALK-3 and ALK-6, whereas Smad7 inhibits both transforming growth factor β (TGF-β)- and BMP-induced Smad signaling. I-Smads also regulate some non-Smad signaling pathways. Here, we discuss the vertebrate I-Smads, their roles as inhibitors of Smad activation and regulators of receptor stability, as scaffolds for non-Smad signaling, and their possible roles in the nucleus...
December 5, 2016: Cold Spring Harbor Perspectives in Biology
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