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https://www.readbyqxmd.com/read/28513615/exome-sequencing-of-two-italian-pedigrees-with-non-isolated-chiari-malformation-type-i-reveals-candidate-genes-for-cranio-facial-development
#1
Elisa Merello, Lorenzo Tattini, Alberto Magi, Andrea Accogli, Gianluca Piatelli, Marco Pavanello, Domenico Tortora, Armando Cama, Zoha Kibar, Valeria Capra, Patrizia De Marco
Chiari malformation type I (CMI) is a congenital abnormality of the cranio-cerebral junction with an estimated incidence of 1 in 1280. CMI is characterized by underdevelopment of the occipital bone and posterior fossa (PF) and consequent cerebellar tonsil herniation. The presence for a genetic basis to CMI is supported by many lines of evidence. The cellular and molecular mechanisms leading to CM1 are poorly understood. The occipital bone formation is dependent on complex interactions between genes and molecules with pathologies resulting from disruption of this delicate process...
May 17, 2017: European Journal of Human Genetics: EJHG
https://www.readbyqxmd.com/read/28496198/bone-forming-peptide-2-derived-from-bmp-7-enhances-osteoblast-differentiation-from-multipotent-bone-marrow-stromal-cells-and-bone-formation
#2
Hyung Keun Kim, Jun Sik Lee, Ji Hyun Kim, Jong Keun Seon, Kyung Soon Park, Myung Ho Jeong, Taek Rim Yoon
Strategies for efficient osteogenic differentiation and bone formation from stem cells would have clinical applications in treating nonunion fracture healing. Many researchers have attempted to develop adjuvants as specific stimulators of bone formation for therapeutic use in patients with bone resorption. Therefore, development of specific stimulators of bone formation has therapeutic significance in the treatment of osteoporosis. To date, investigations of the mature forms of bone morphogenetic proteins (BMPs) have focused on regulation of bone generation...
May 12, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28489883/bmp-7-induces-apoptosis-in-human-germinal-center-b-cells-and-is-influenced-by-tgf-%C3%AE-receptor-type-i-alk5
#3
Lise K Bollum, Kanutte Huse, Morten P Oksvold, Baoyan Bai, Vera I Hilden, Lise Forfang, Sun Ok Yoon, Sébastien Wälchli, Erlend B Smeland, June H Myklebust
Selection and maturation of B cells into plasma cells producing high-affinity antibodies occur in germinal centers (GC). GCs form transiently in secondary lymphoid organs upon antigen challenge, and the GC reaction is a highly regulated process. TGF-β is a potent negative regulator, but the influence of other family members including bone morphogenetic proteins (BMPs) is less known. Studies of human peripheral blood B lymphocytes showed that BMP-6 suppressed plasmablast differentiation, whereas BMP-7 induced apoptosis...
2017: PloS One
https://www.readbyqxmd.com/read/28486918/the-influence-of-inflammatory-cytokines-on-the-proliferation-and-osteoblastic-differentiation-of-mscs
#4
Juan Liu, Bin Chen, Fuhua Yan, Wenrong Yang
Mesenchymal stem cells (MSCs) have been widely researched for the function of wound repair and bone regeneration. Numerous evidence have proved that MSCs can differentiate towards osteoblasts, and enhance bone formation, and then directly promote the process of bone regeneration. The researchers' interesting of MSCs focus on the potential of differentiating towards osteoblasts. They suggest that these applications can be significantly influenced by different kinds of inflammatory cytokines. In particular, in the process of bone regeneration, MSCs and inflammatory cytokines interact with each other, and promote the process of bone healing ...
May 8, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28482139/contributions-of-bmps-in-cardiac-repair-cells-in-3d-in-vitro-models-and-angiogenesis
#5
Isabella Pallotta, Bruce Sun, Gregory Lallos, Cecile Terrenoire, Donald O Freytes
One of the main efforts in myocardial tissue engineering consists of designing cardiac tissues able to rescue the reduction in heart function once implanted at the site of myocardial infarction. To date, the efficiency of this approach in pre-clinical applications is limited in part by our incomplete understanding of the inflammatory environment known to be present at the site of myocardial infarct and by poor vascularization. We recently reported that polarized macrophages known to be present at the site of myocardial infarction secrete BMP-2 and BMP-4 proteins causing changes in the expression of cardiac proteins in a 2D in vitro model...
May 8, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28470822/pericyte-derived-bone-morphogenetic-protein-4-underlies-white-matter-damage-after-chronic-hypoperfusion
#6
Maiko T Uemura, Masafumi Ihara, Takakuni Maki, Takayuki Nakagomi, Seiji Kaji, Kengo Uemura, Tomohiro Matsuyama, Raj N Kalaria, Ayae Kinoshita, Ryosuke Takahashi
Subcortical small vessel disease (SVD) is characterized by white matter damage resulting from arteriolosclerosis and chronic hypoperfusion. Transforming growth factor beta 1 (TGFB1) is dysregulated in the hereditary SVD, CARASIL (cerebral autosomal recessive arteriopathy with subcortical infarcts and leukoencephalopathy). However, very little is known about the role of the largest group in the TGFB superfamily - the bone morphogenetic proteins (BMPs) - in SVD pathogenesis. The aim of this study was to characterize signaling abnormalities of BMPs in sporadic SVD...
May 4, 2017: Brain Pathology
https://www.readbyqxmd.com/read/28468283/heparin-heparan-sulphate-and-the-tgf-%C3%AE-cytokine-superfamily
#7
REVIEW
Chris C Rider, Barbara Mulloy
Of the circa 40 cytokines of the TGF-β superfamily, around a third are currently known to bind to heparin and heparan sulphate. This includes TGF-β1, TGF-β2, certain bone morphogenetic proteins (BMPs) and growth and differentiation factors (GDFs), as well as GDNF and two of its close homologues. Experimental studies of their heparin/HS binding sites reveal a diversity of locations around the shared cystine-knot protein fold. The activities of the TGF-β cytokines in controlling proliferation, differentiation and survival in a range of cell types are in part regulated by a number of specific, secreted BMP antagonist proteins...
April 29, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28467498/spatial-regulation-of-bone-morphogenetic-proteins-bmps-in-postnatal-articular-and-growth-plate-cartilage
#8
Presley Garrison, Shanna Yue, Jeffrey Hanson, Jeffrey Baron, Julian C Lui
Articular and growth plate cartilage both arise from condensations of mesenchymal cells, but ultimately develop important histological and functional differences. Each is composed of three layers-the superficial, mid and deep zones of articular cartilage and the resting, proliferative and hypertrophic zones of growth plate cartilage. The bone morphogenetic protein (BMP) system plays an important role in cartilage development. A gradient in expression of BMP-related genes has been observed across growth plate cartilage, likely playing a role in zonal differentiation...
2017: PloS One
https://www.readbyqxmd.com/read/28465413/bmp8a-sustains-spermatogenesis-by-activating-both-smad1-5-8-and-smad2-3-in-spermatogonia
#9
Fang-Ju Wu, Ting-Yu Lin, Li-Ying Sung, Wei-Fang Chang, Po-Chih Wu, Ching-Wei Luo
Mutation in either of the genes encoding bone morphogenetic protein (BMP) 8A or 8B (Bmp8a or Bmp8b) causes postnatal depletion of spermatogonia in mice. We found that Bmp8a, but not Bmp8b, was expressed predominantly in the neonatal mouse spermatogonia. Although most BMPs induce activation of SMADs 1, 5, and 8 (SMAD1/5/8), but not SMADs 2 and 3 (SMAD2/3), we found that BMP8A induced signaling through both sets of transcription factors. In undifferentiated mouse spermatogonia, BMP8A activated SMAD1/5/8 through receptor complexes formed by ALK3 and either ACVR2A or BMPR2 and activated SMAD2/3 through receptor complexes formed by ALK5 and ACVR2A, ACVR2B, or TGFBR2...
May 2, 2017: Science Signaling
https://www.readbyqxmd.com/read/28464239/combined-effects-of-bone-morphogenetic-protein-10-and-crossveinless-2-on-cardiomyocyte-differentiation-in-mouse-adipocyte-derived-stem-cells
#10
Medet Jumabay, Jiayinaguli Zhumabai, Nurlan Mansurov, Katharine C Niklason, Pierre J Guihard, Alan M Fogelman, Luisa Iruela-Arispe, Yucheng Yao, Arman Saparov, Kristina I Boström
Bone morphogenetic protein (BMP) 10, a cardiac-restricted BMP family member, is essential in cardiomyogenesis, especially during trabeculation. Crossveinless-2 [CV2, also known as BMP endothelial cell precursor derived regulator (BMPER)] is a BMP-binding protein that modulates the activity of several BMPs. The objective of this study was to examine the combined effects of BMP10 and CV2 on cardiomyocyte differentiation using mouse dedifferentiated fat (mDFAT) cells, which spontaneously differentiate into cardiomyocyte-like cells, as a model...
May 2, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28463604/nell-1-hmgb1-and-ccn2-enhance-migration-and-vasculogenesis-but-not-osteogenic-differentiation-compared-to-bmp2
#11
Shorouk Fahmy-Garcia, Marjolein van Driel, Janneke Witte-Buoma, Heike Walles, Johannes Ptm van Leeuwen, Gerjo van Osch, Eric Farrell
Currently, autografts still represent the gold standard treatment for the repair of large bone defects. However, these are associated with donor site morbidity, increased pain, cost and recovery time. The ideal therapy would use biomaterials combined with bone growth factors to induce and instruct bone defect repair without the need to harvest patient tissue. In this line, BMPs have been the most extensively used agents for clinical bone repair, but at supraphysiological doses that are not without risk. Because of the need to eliminate the risks of BMP2 use in vivo, we assessed the ability of three putative osteogenic factors, Nell-1, HMGB1 and CCN2, to enhance the essential processes for bone defect repair in vitro and compared them to BMP2...
May 2, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28462376/regulation-of-gastric-metaplasia-dysplasia-and-neoplasia-by-bone-morphogenetic-protein-signaling
#12
REVIEW
Andrea Todisco
The bone morphogenetic proteins, (BMP)s are regulatory peptides that have significant effects on the growth and differentiation of gastrointestinal tissues. In addition, the BMPs have been shown to exert anti-inflammatory actions in the gut and to negatively regulate the growth of gastric neoplasms. The role of BMP signaling in the regulation of gastric metaplasia, dysplasia and neoplasia has been poorly characterized. Transgenic expression in the mouse stomach of the BMP inhibitor noggin leads to decreased parietal cell number, increased epithelial cell proliferation, and to the emergence of SPEM...
May 2017: Cellular and Molecular Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28448525/brorin-is-required-for-neurogenesis-gliogenesis-and-commissural-axon-guidance-in-the-zebrafish-forebrain
#13
Ayumi Miyake, Yoko Mekata, Hidenori Fujibayashi, Kazuya Nakanishi, Morichika Konishi, Nobuyuki Itoh
Bmps regulate numerous neural functions with their regulators. We previously identified Brorin, a neural-specific secreted antagonist of Bmp signaling, in humans, mice, and zebrafish. Mouse Brorin has two cysteine-rich domains containing 10 cysteine residues in its core region, and these are located in similar positions to those in the cysteine-rich domains of Chordin family members, which are secreted Bmp antagonists. Zebrafish Brorin had two cysteine-rich domains with high similarity to those of mouse Brorin...
2017: PloS One
https://www.readbyqxmd.com/read/28434979/synergistic-effects-of-bmp-2-bmp-6-or-bmp-7-with-human-plasma-fibronectin-onto-hydroxyapatite-coatings-a-comparative-study
#14
Isabelle Brigaud, Rémy Agniel, Johanne Leroy Dudal, Sabrina Kellouche, Arnaud Ponche, Tahar Bouceba, Natalia Mihailescu, Mihai Sopronyi, Eric Viguier, Carmen Ristoscu, Felix Sima, Ion N Mihailescu, Ana Claudia O Carreira, Mari Cleide Sogayar, Olivier Gallet, Karine Anselme
Design of new osteoinductive biomaterials to reproduce an optimized physiological environment capable of recruiting stem cells and instructing their fate towards the osteoblastic lineage has become a priority in orthopedic surgery. This work aims at evaluating the bioactivity of BMP combined with human plasma fibronectin (FN/BMP) delivered in solution or coated onto titanium-hydroxyapatite (TiHA) surfaces. Herein, we focus on the comparison of in vitro osteogenic efficacy in mouse C2C12 pre-osteoblasts of three BMP members, namely: BMP-2, BMP-6 and BMP-7...
April 18, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28426334/myopigenic-activity-change-and-its-risk-factors-in-urban-students-in-beijing-three-year-report-of-beijing-myopia-progression-study
#15
Zhong Lin, Balamurali Vasudevan, Kenneth J Ciuffreda, Hong Jia Zhou, Guang Yun Mao, Ning Li Wang, Yuan Bo Liang
PURPOSE: To investigate the myopigenic activity change and its risk factors in urban students in Beijing. METHODS: A total of 241 primary or secondary students aged 6-17 years from the Beijing Myopia Progression Study (BMPS) were re-examined 3 years after their baseline enrollment. A detailed questionnaire was administered to assess myopigenic activities at both baseline and at the 3-year follow-up. Altogether, 217 students (90.0%) with completed data were included in the analysis...
April 20, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28424852/clinical-application-of-bone-morphogenetic-proteins-for-bone-healing-a-systematic-review
#16
REVIEW
Gopal Shankar Krishnakumar, Alice Roffi, Davide Reale, Elizaveta Kon, Giuseppe Filardo
PURPOSE: This paper documents the existing evidence on bone morphogenetic proteins (BMPs) use for the treatment of bone fractures, non-union, and osteonecrosis, through a review of the clinical literature, underlying potential and limitations in terms of cost effectiveness and risk of complications. METHODS: A systematic review was performed on the PubMed database using the following string: (bone morphogenetic proteins OR BMPs) and (bone repair OR bone regeneration) including papers from 2000 to 2016...
April 19, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28415442/small-intestinal-submucosa-a-potential-osteoconductive-and-osteoinductive-biomaterial-for-bone-tissue-engineering
#17
Mei Li, Chi Zhang, Mengjie Cheng, Qiaoqiao Gu, Jiyuan Zhao
SIS is an acellular, naturally occurring collagenous extracellular matrix (ECM) material with various bioactive factors, which broadly applied in tissue engineering in clinic. Several studies have applied SIS in bone tissue engineering to enhance bone regeneration in animal models. However, the mechanism was rarely investigated. The aim of the current study was to investigate the osteoconductivity and osteoinductivity of SIS scaffold to bone regeneration systematically and the potential mechanism. Our results showed that SIS scaffold with excellent biocompatibility was beneficial for cell attachment, proliferation, migration and osteogenic differentiation of various cells contributing to bone repair...
June 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28409341/zebrafish-pronephros-development
#18
Richard W Naylor, Sarah S Qubisi, Alan J Davidson
The pronephros is the first kidney type to form in vertebrate embryos. The first step of pronephrogenesis in the zebrafish is the formation of the intermediate mesoderm during gastrulation, which occurs in response to secreted morphogens such as BMPs and Nodals. Patterning of the intermediate mesoderm into proximal and distal cell fates is induced by retinoic acid signaling with downstream transcription factors including wt1a, pax2a, pax8, hnf1b, sim1a, mecom, and irx3b. In the anterior intermediate mesoderm, progenitors of the glomerular blood filter migrate and fuse at the midline and recruit a blood supply...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/28409128/the-use-of-bone-morphogenetic-proteins-bmp-and-pseudarthrosis-a-literature-review
#19
REVIEW
Oberdan Ribeiro Gonçalves de Oliveira, Saul Pinheiro Rebouças Martins, Wyvison Gomes de Lima, Marília Maia Gomes
Bone morphogenetic proteins (BMP) are multi-functional growth factors to promote bone healing with the proposal of less morbidity compared to the usual methods of bone graft harvest. Pseudoarthrosis occur when the fusion attempt fails, a solid fusion is not achieved, or there is motion across the segment leading to it, and it can be clinically symptomatic as pain, deformity, neurocompression, or hardware failure. BMPs are used at spinal fusion as a tool for the treatment of degenerative, traumatic, neoplastic and infectious conditions of the spine...
March 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28401163/collagen-sponge-functionalized-with-chimeric-anti-bmp-2-monoclonal-antibody-mediates-repair-of-critical-size-mandibular-continuity-defects-in-a-nonhuman-primate-model
#20
Yilin Xie, Yingying Su, Seiko Min, Jianxia Tang, Bee Tin Goh, Leonardo Saigo, Sahar Ansari, Alireza Moshaverinia, Chunmei Zhang, Jinsong Wang, Yi Liu, Arash Khojasteh, Homayoun H Zadeh, Songlin Wang
Antibody-mediated osseous regeneration (AMOR) has been introduced by our research group as a tissue engineering approach to capture of endogenous growth factors through the application of specific monoclonal antibodies (mAbs) immobilized on a scaffold. Specifically, anti-Bone Morphogenetic Protein- (BMP-) 2 mAbs have been demonstrated to be efficacious in mediating bone repair in a number of bone defects. The present study sought to investigate the application of AMOR for repair of mandibular continuity defect in nonhuman primates...
2017: BioMed Research International
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