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Bone morphogenetic protein

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https://www.readbyqxmd.com/read/29032823/bortezomib-facilitates-reparative-dentin-formation-after-pulp-access-cavity-preparation-in-mouse-molar
#1
Jae-Kwang Jung, Gi-Jeong Gwon, Sanjiv Neupane, Wern-Joo Sohn, Ki-Rim Kim, Ji-Youn Kim, Seo-Young An, Tae-Yub Kwon, Chang-Hyeon An, Youngkyun Lee, Jae-Young Kim, Jung-Hong Ha
INTRODUCTION: The aim of this study was to evaluate in vitro and ex vivo roles of bortezomib, a proteasome inhibitor that binds to the active site of the 26S proteasome, in tertiary dentin formation. METHODS: We established pulpal access cavity preparation that was treated with or without bortezomib before direct pulp capping with a calcium hydroxide-based material. We also analyzed bone morphogenetic protein (Bmp)- and Wnt-related signaling molecules using quantitative real-time polymerase chain reaction...
October 9, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/29031993/the-gdf5-mutant-bb-1-enhances-the-bone-formation-induced-by-an-injectable-plga-fiber-reinforced-brushite-forming-cement-in-a-sheep-defect-model-of-lumbar-osteopenia
#2
Francesca Gunnella, Elke Kunisch, Stefan Maenz, Victoria Horbert, Long Xin, Joerg Mika, Juliane Borowski, Sabine Bischoff, Harald Schubert, Andre Sachse, Bernhard Illerhaus, Jens Günster, Jörg Bossert, Klaus D Jandt, Frank Plöger, Raimund W Kinne, Olaf Brinkmann, Matthias Bungartz
BACKGROUND CONTEXT: Targeted delivery of osteoinductive bone morphogenetic proteins (BMPs; e.g., GDF5) in bioresorbable calcium phosphate cement (CPC), potentially suitable for vertebroplasty/kyphoplasty of osteoporotic vertebral fractures, may be required to counteract augmented local bone catabolism and support complete bone regeneration. The biologically optimized GDF5 mutant BB-1 may represent an attractive drug candidate for this purpose. PURPOSE: The aim of the current study was to test an injectable, poly (l-lactide-co-glycolide) acid (PLGA)-fiber reinforced, brushite-forming cement (CPC) containing low-dose BB-1 in a sheep lumbar osteopenia model...
October 12, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/29029246/the-epidermal-growth-factor-network-role-in-oocyte-growth-maturation-and-developmental-competence
#3
Dulama Richani, Robert B Gilchrist
BACKGROUND: The LH surge induces great physiological changes within the preovulatory follicle, which culminate in the ovulation of a mature oocyte that is capable of supporting embryo and foetal development. However, unlike mural granulosa cells, the oocyte and its surrounding cumulus cells are not directly responsive to LH, indicating that the LH signal is mediated by secondary factors produced by the granulosa cells. The mechanisms by which the oocyte senses the ovulatory LH signal and hence prepares for ovulation has been a subject of considerable controversy for the past four decades...
September 20, 2017: Human Reproduction Update
https://www.readbyqxmd.com/read/29028819/the-anti-myeloma-activity-of-bone-morphogenetic-protein-2-predominantly-relies-on-the-induction-of-growth-arrest-and-is-apoptosis-independent
#4
Charlotte Lagler, Mohamed El-Mesery, Alexander Christian Kübler, Urs Dietmar Achim Müller-Richter, Thorsten Stühmer, Joachim Nickel, Thomas Dieter Müller, Harald Wajant, Axel Seher
Multiple myeloma (MM), a malignancy of the bone marrow, is characterized by a pathological increase in antibody-producing plasma cells and an increase in immunoglobulins (plasmacytosis). In recent years, bone morphogenetic proteins (BMPs) have been reported to be activators of apoptotic cell death in neoplastic B cells in MM. Here, we use bone morphogenetic protein 2 (BMP2) to show that the "apoptotic" effect of BMPs on human neoplastic B cells is dominated by anti-proliferative activities and cell cycle arrest and is apoptosis-independent...
2017: PloS One
https://www.readbyqxmd.com/read/29027119/mollugin-enhances-the-osteogenic-action-of-bmp-2-via-the-p38-smad-signaling-pathway
#5
Seong-Hee Moon, Ikyon Kim, Seong Hwan Kim
Bone morphogenetic protein 2 (BMP-2) has been used clinically to encourage bone regeneration; although, there can be major side effects with larger doses. Therefore, there is a need to identify new small molecules to potentiate the osteogenic action of BMP-2. In this study, we investigated the effect of mollugin on bone formation in murine bi-potential mesenchymal progenitor C2C12 cells by combination with BMP-2. We found mollugin could enhance the BMP-2-mediated osteoblast differentiation of C2C12 cells. This was accompanied by the induction of other osteogenic BMPs...
October 12, 2017: Archives of Pharmacal Research
https://www.readbyqxmd.com/read/29024418/repair-of-a-critical-size-segmental-rabbit-femur-defect-using-bioglass-%C3%AE-tcp-monoblock-a-vascularized-periosteal-flap-and-bmp-2
#6
Zhaohui Pan, Pingping Jiang, Shan Xue, Tao Wang, Hongfei Li, Jianli Wang
Various synthetic bone substitutes are not suitable for reconstructing critical-size bone defects. This study tested whether a bioglass-β-tricalcium phosphate (β-TCP) monoblock is effective for repairing critical-size segmental bone defects if combined with a vascularized periosteal flap and bone morphogenetic protein (BMP)-2. A femoral osteotomy with a gap size of 20 mm was created and stabilized using a plate in 40 rabbits.The defect was left untreated (group A) or repaired using a monoblock (group B), a monoblock with a vascularized periosteal flap (group C), or a monoblock with a vascularized periosteal flap and BMP-2 (group D)...
October 11, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/29024261/pathologic-significance-of-a-novel-oncoprotein-in-thyroid-cancer-progression
#7
Anthony A Firek, Mia C Perez, Amber Gonda, Li Lei, Iqbal Munir, Alfred A Simental, Frances E Carr, Benjamin J Becerra, Marino De Leon, Salma Khan
BACKGROUND: The incidence of thyroid cancer is increasing worldwide, and there is an emerging need to develop accurate tools for diagnosis. Fine needle aspiration biopsy has greatly improved evaluation of thyroid nodules, but challenges with indeterminate lesions remain in up to 25% of biopsies. Novel tissue biomarkers may assist in improved nodule characterization. Microcalcifications occurring in thyroid cancers suggest proteins involved in bone formation may play a role in thyroid carcinogenesis...
October 11, 2017: Head & Neck
https://www.readbyqxmd.com/read/29023671/genetics-in-pulmonary-arterial-hypertension-in-a-large-homogeneous-japanese-population
#8
REVIEW
Shinobu Gamou, Masaharu Kataoka, Yuki Aimi, Tomohiro Chiba, Yuichi Momose, Sarasa Isobe, Tomomi Hirayama, Hideaki Yoshino, Keiichi Fukuda, Toru Satoh
Pulmonary arterial hypertension (PAH) is a rare but serious disease with a grave prognosis. Bone morphogenetic protein type 2 receptor (BMPR2) gene is a strong pathogenic factor for PAH. As a collaborative team from Kyorin University and Keio University in Japan, we have analyzed the BMPR2 gene in 356 probands and more than 50 family members, including secondary patients. Importantly, the study population is a racially, ethnically, and socially homogeneous population. In PAH patients, there is a high incidence of unique mutations in BMPR2, and several mutations are frequently observed in the Japanese population, suggesting that these common and recurring mutations may be highly pathogenic or have high penetrance, explaining why they are found frequently throughout the world...
October 10, 2017: Clinical Genetics
https://www.readbyqxmd.com/read/29021566/high-throughput-screens-using-photo-highlighting-discover-bmp-signaling-in-mitochondrial-lipid-oxidation
#9
Yong Yu, Ayse Sena Mutlu, Harrison Liu, Meng C Wang
High-throughput screens at microscopic resolution can uncover molecular mechanisms of cellular dynamics, but remain technically challenging in live multicellular organisms. Here we present a genetic screening method using photo-highlighting for candidate selection on microscopes. We apply this method to stimulated Raman scattering (SRS) microscopy and systematically identify 57 Caenorhabditis elegans mutants with altered lipid distribution. Four of these mutants target the components of the Bone Morphogenetic Protein (BMP) signaling pathway, revealing that BMP signaling inactivation causes exhaustion of lipid reserves in somatic tissues...
October 11, 2017: Nature Communications
https://www.readbyqxmd.com/read/29020616/the-emerging-role-of-follistatin-under-stresses-and-its-implications-in-diseases
#10
REVIEW
Lingda Zhang, Kangli Liu, Bing Han, Zhengping Xu, Xiangwei Gao
Follistatin (FST), a single-chain glycosylated protein, is expressed in various tissues. The essential biological function of FST is binding and neutralizing transforming growth factor β (TGF-β) superfamily, including activin, myostatin, and bone morphogenetic protein (BMP). Emerging evidence indicates that FST also serves as a stress responsive protein, which plays a protective role under a variety of stresses. In most cases, FST performs the protective function through its neutralization of TGF-β superfamily...
October 8, 2017: Gene
https://www.readbyqxmd.com/read/29018836/one-step-fabrication-of-bone-morphogenetic-protein-2-gene-activated-porous-poly-l-lactide-scaffold-for-bone-induction
#11
Jingwen Xue, Hang Lin, Allison Bean, Ying Tang, Jian Tan, Rocky S Tuan, Bing Wang
Bone morphogenetic protein 2 (BMP2) is an efficacious inducer for the osteogenesis of mesenchymal stem cells (MSCs). Conventional applications of BMP2 have involved either the direct incorporation of BMP2 protein or ex vivo BMP2 gene transfer into stem cells prior to their transplantation. These approaches are able to promote bone formation to some extent; however, they are hampered by either the lack of stability and sustainability of BMP2 protein or the time-consuming and cost-prohibitive in vitro cell culture procedure...
December 15, 2017: Molecular Therapy. Methods & Clinical Development
https://www.readbyqxmd.com/read/29017973/modulating-microfibrillar-alignment-and-growth-factor-stimulation-to-regulate-mesenchymal-stem-cell-differentiation
#12
Dinorath Olvera, Binulal N Sathy, Simon F Carroll, Daniel J Kelly
The ideal tissue engineering (TE) strategy for ligament regeneration should recapitulate the bone - calcified cartilage - fibrocartilage - soft tissue interface. Aligned electrospun-fibers have been shown to guide the deposition of a highly organized extracellular matrix (ECM) necessary for ligament TE. However, recapitulating the different tissues observed in the bone-ligament interface using such constructs remains a challenge. This study aimed to explore how fiber alignment and growth factor stimulation interact to regulate the chondrogenic and ligamentous differentiation of mesenchymal stem cells (MSCs)...
October 7, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29016730/microrna-424-322-as-a-new-marker-of-disease-progression-in-pulmonary-arterial-hypertension-and-its-role-in-right-ventricular-hypertrophy-by-targeting-smurf1
#13
Rui Baptista, Carla Marques, Steve Catarino, Francisco J Enguita, Marina C Costa, Paulo Matafome, Mónica Zuzarte, Graça Castro, Abílio Reis, Pedro Monteiro, Mariano Pêgo, Paulo Pereira, Henrique Girão
MicroRNAs (miRNAs) have been implicated in the pathogenesis of pulmonary hypertension (PH), a multifactorial and progressive condition associated with an increased afterload of the right ventricle leading to heart failure and death. The main aim of this study was to correlate the levels of miR-424(322) with the severity and prognosis of PH and with right ventricle hypertrophy progression. Additionally, we intended to evaluate the mechanisms and signaling pathways whereby miR-424(322) secreted by pulmonary endothelial cells (PAECs) impacts cardiomyocytes...
September 12, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/29016438/ono-1301-enhances-in-vitro-osteoblast-differentiation-and-in-vivo-bone-formation-induced-by-bone-morphogenetic-protein
#14
Sadaaki Kanayama, Takashi Kaito, Kazuma Kitaguchi, Hiroyuki Ishiguro, Kunihiko Hashimoto, Ryota Chijimatsu, Satoru Otsuru, Shota Takenaka, Takahiro Makino, Yusuke Sakai, Akira Myoui, Hideki Yoshikawa
STUDY DESIGN: In vitro and in vivo assessment of osteogenic effect by prostacyclin agonist (ONO-1301) OBJECTIVE.: To investigate the effects of ONO-1301 on in vitro osteoblastic differentiation and in vivo bone formation induced by bone morphogenetic protein (BMP). SUMMARY OF BACKGROUND DATA: Among prostaglandins (PGs), PGE2 is the most abundant in bone tissue and its effects on bone formation have been well studied. PGI2 (prostacyclin) is the second most abundant PG in bone tissue and plays important roles in hemodynamics...
October 9, 2017: Spine
https://www.readbyqxmd.com/read/28992992/corrigendum-to-bone-morphogenetic-protein-bmp-signaling-in-animal-reproductive-system-development-and-function-dev-biol-427-2-2017-258-269
#15
Amaneet K Lochab, Cassandra G Extavour
No abstract text is available yet for this article.
October 6, 2017: Developmental Biology
https://www.readbyqxmd.com/read/28992803/collagen-sponge-functionalized-with-chimeric-anti-bmp-2-monoclonal-antibody-mediates-repair-of-nonunion-tibia-defects-in-a-nonhuman-primate-model-an-exploratory-study
#16
Lijia Guo, Seiko Min, Yingying Su, Jianxia Tang, Juan Du, Bee Tin Goh, Leonardo Saigo, Songlin Wang, Sahar Ansari, Alireza Moshaverinia, Homayoun H Zadeh, Yi Liu
Recombinant human bone morphogenetic protein (BMP)-2 is an FDA-approved therapy for nonunion tibia fracture, though it has a number of biological and practical disadvantages. Our research group has developed a novel tissue engineering strategy termed antibody-mediated osseous regeneration. This entails application of anti-BMP-2 monoclonal antibodies (mAbs) to capture endogenous BMP's to mediate in vivo bone formation. This has been documented in a number of animal models. The present exploratory study sought to investigate the application of antibody-mediated osseous regeneration for repair of nonunion tibia defect in a nonhuman primate model...
October 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28992340/gremlin-and-renal-diseases-ready-to-jump-the-fence-to-clinical-utility
#17
Sergio Mezzano, Alejandra Droguett, Carolina Lavoz, Paola Krall, Jesús Egido, Marta Ruiz-Ortega
The current therapeutic strategy for the treatment of chronic kidney diseases only ameliorates disease progression. During renal injury, developmental genes are re-expressed and could be potential therapeutic targets. Among those genes reactivated in the adult damaged kidney, Gremlin is of particular relevance since recent data suggest that it could be a mediator of diabetic nephropathy and other progressive renal diseases. Earlier studies have shown that Gremlin is upregulated in trans-differentiated renal proximal tubular cells and in several chronic kidney diseases associated with fibrosis...
July 8, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28992263/desphospho-uncarboxylated-matrix-gla-protein-is-a-novel-circulating-biomarker-predicting-deterioration-of-renal-function-in-the-general-population
#18
Fang-Fei Wei, Sander Trenson, Lutgarde Thijs, Qi-Fang Huang, Zhen-Yu Zhang, Wen-Yi Yang, Paula Moliterno, Karel Allegaert, José Boggia, Stefan Janssens, Peter Verhamme, Cees Vermeer, Jan A Staessen
Background: Recent studies showing an inverse association between estimated glomerular filtration rate (eGFR), a microvascular trait, and inactive desphospho-uncarboxylated matrix Gla protein (dp-ucMGP) support the hypothesis that after vitamin K-dependent activation, matrix Gla protein (MGP) is renoprotective, but these were limited by their cross-sectional design. Methods: In 1009 randomly recruited Flemish (50.6% women), we assessed the association between eGFR and plasma dp-ucMGP, using multivariable-adjusted analyses...
August 25, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28991390/magnetically-controlled-growth-factor-immobilized-multilayer-cell-sheets-for-complex-tissue-regeneration
#19
Wenjie Zhang, Guangzheng Yang, Xiansong Wang, Liting Jiang, Fei Jiang, Guanglong Li, Zhiyuan Zhang, Xinquan Jiang
The scaffold-free cell-sheet technique plays a significant role in stem-cell-based regeneration. Furthermore, growth factors are known to direct stem cell differentiation and enhance tissue regeneration. However, the absence of an effective means to incorporate growth factors into the cell sheets hinders further optimization of the regeneration efficiency. Here, a novel design of magnetically controlled "growth-factor-immobilized cell sheets" is reported. A new Fe3 O4 magnetic nanoparticle (MNP) coated with nanoscale graphene oxide (nGO@Fe3 O4 ) is developed to label stem cells and deliver growth factors...
October 9, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28990102/role-of-artesunate-in-tgf%C3%A2-%C3%AE-1%C3%A2-induced-renal-tubular-epithelial%C3%A2-mesenchymal-transdifferentiation-in-nrk%C3%A2-52e-cells
#20
Yaqian Zhang, Huanhuan Li, Jiajun Zhu, Tiantian Wei, Yingxian Peng, Ran Li, Rui Xu, Mei Li, Anzhou Xia
The implications of epithelial‑mesenchymal transdifferentiation (EMT) have extended beyond the confines of renal fibrosis to renal tubulointerstitial fibrosis. It has been proposed that EMT may be one of the mechanisms involved in the pathogenesis of renal fibrosis. However, the underlying mechanisms remain unknown. Transforming growth factor (TGF)‑β1 is considered to be an important cytokine which regulates the transdifferentiation of tubular epithelial cells into myofibroblasts in renal tubulointerstitial fibrosis...
October 5, 2017: Molecular Medicine Reports
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