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https://www.readbyqxmd.com/read/28812969/functional-expression-of-bmp7-receptors-in-oral-epithelial-cells-interleukin-17f-production-in-response-to-bmp7
#1
Kensuke Nishio, Yasumasa Ozawa, Hisanori Ito, Takashi Kifune, Tatsuya Narita, Toshimitsu Iinuma, Nobuhito Gionhaku, Masatake Asano
BACKGROUND: Bone morphogenetic proteins (BMPs) are members of the transforming growth factor-β (TGF-β) superfamily. Recently, BMP7 has been demonstrated to be produced by salivary glands and contribute to embryonic branching in mice. The BMP7 in saliva is thought to be delivered to the oral cavity and is expected to contact with stratified squamous epithelial cells which line the surface of oral mucosa. In this study, we attempted to investigate the effects of BMP7 on oral epithelial cells...
October 2017: Journal of Receptor and Signal Transduction Research
https://www.readbyqxmd.com/read/28812170/a-novel-approach-to-utilize-icariin-as-icariin-derived-ecm-on-small-intestinal-submucosa-scaffold-for-bone-repair
#2
Mei Li, Chi Zhang, Yi Zhong, Jiyuan Zhao
Icariin (Ic) has been demonstrated as a potent osteoinductive compound for bone tissue engineering. However, toxic side effects of the drug and poor biocompatibility of drug delivery systems (DDSs) still limit its application for bone repair in the clinic. To overcome these disadvantages and utilize the osteoinductivity of Ic, we developed a novel method to utilize Ic as an Ic-derived osteoinductive extracellular matrix (ECM) on small intestinal submucosa (SIS) (Ic-ECM-SIS). The generated Ic-ECM-SIS scaffolds, as a natural construct, exhibited much better biocompatibility (including cell adhesion, cell survival and cell proliferation) than Ic-SIS scaffolds generated by traditional DDSs...
August 15, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28811280/dan-nbl1-promotes-collective-neural-crest-migration-by-restraining-uncontrolled-invasion
#3
Rebecca McLennan, Caleb M Bailey, Linus J Schumacher, Jessica M Teddy, Jason A Morrison, Jennifer C Kasemeier-Kulesa, Lauren A Wolfe, Madeline M Gogol, Ruth E Baker, Philip K Maini, Paul M Kulesa
Neural crest cells are both highly migratory and significant to vertebrate organogenesis. However, the signals that regulate neural crest cell migration remain unclear. In this study, we test the function of differential screening-selected gene aberrant in neuroblastoma (DAN), a bone morphogenetic protein (BMP) antagonist we detected by analysis of the chick cranial mesoderm. Our analysis shows that, before neural crest cell exit from the hindbrain, DAN is expressed in the mesoderm, and then it becomes absent along cell migratory pathways...
August 15, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28810575/increased-bone-morphogenetic-protein-6-in-follicular-fluid-and-granulosa-cells-may-correlate-with-fertilization-and-embryo-quality-in-humans
#4
Ying Liang, Qinying Cao, Xing Gao, Huilan Du
Bone morphogenetic protein-6 (BMP-6), which is a member of the transforming growth factor-β superfamily, is associated with the regulation of bone development and various physiological processes. In the present study, the expression of BMP-6 in follicular fluid and granulosa cells (GCs) from pregnant and non-pregnant patients was explored. A total of 44 pregnant patients (pregnant group) and 36 non-pregnant patients (non-pregnant group) were recruited for the present study. The expression of BMP-6 was detected using western blotting and reverse transcription-quantitative polymerase chain reaction...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809380/production-of-bone-mineral-material-and-bmp-2-in-osteoblasts-cultured-on-double-acid-etched-titanium
#5
R Velázquez-Cayón, G Castillo-Dalí, J-R Corcuera-Flores, M-A Serrera-Figallo, R Castillo-Oyagüe, M González-Martín, J-C Gutierrez-Pérez, D Torres-Lagares
BACKGROUND: The study of osteoblasts and their osteogenic functions is essential in order to understand them and their applications in implantology. In this sense, this study try to study BMP-2 production and bone matrix deposition, in addition to other biological variables, in osteoblasts cultured on a rough double acid-etched titanium surface (Osseotite®, Biomet 3i, Palm Beach Garden, Florida, USA) in comparison to a smooth titanium surface (machined) and a control Petri dish. MATERIALS AND METHODS: An in vitro prospective study...
August 15, 2017: Medicina Oral, Patología Oral y Cirugía Bucal
https://www.readbyqxmd.com/read/28808027/de-novo-mutations-in-inhibitors-of-wnt-bmp-and-ras-erk-signaling-pathways-in-non-syndromic-midline-craniosynostosis
#6
Andrew T Timberlake, Charuta G Furey, Jungmin Choi, Carol Nelson-Williams, Erin Loring, Amy Galm, Kristopher T Kahle, Derek M Steinbacher, Dawid Larysz, John A Persing, Richard P Lifton
Non-syndromic craniosynostosis (NSC) is a frequent congenital malformation in which one or more cranial sutures fuse prematurely. Mutations causing rare syndromic craniosynostoses in humans and engineered mouse models commonly increase signaling of the Wnt, bone morphogenetic protein (BMP), or Ras/ERK pathways, converging on shared nuclear targets that promote bone formation. In contrast, the genetics of NSC is largely unexplored. More than 95% of NSC is sporadic, suggesting a role for de novo mutations. Exome sequencing of 291 parent-offspring trios with midline NSC revealed 15 probands with heterozygous damaging de novo mutations in 12 negative regulators of Wnt, BMP, and Ras/ERK signaling (10...
August 14, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28807102/bitter-melon-powder-protects-against-obesity-associated-fatty-liver-disease-by-improving-colonic-microenvironment-in-rats-with-high-fat-diet-induced-obesity
#7
Juan Bai, Ying Zhu, Ying Dong
This study explored how bitter melon powder (BMP) alters the colonic microenvironment during the development of obesity-associated fatty liver in rats. We observed that BMP effectively inhibited the body weight gain and lipid accumulation in the liver, ameliorated glucose intolerance, and increased the colon weight after an 8-week treatment compared to that in the high-fat diet (HFD) group. BMP significantly decreased fecal water toxicity towards HT-29 cells, as revealed by the cell counting kit (CCK)-8 assay results, and the mRNA expression of Toll-like receptor 4 (TLR4) in colon mucosa...
August 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/28805484/disparate-phospho-smad2-levels-in-advanced-type-2-diabetes-patients-with-diabetic-nephropathy-and-early-experimental-db-db-mouse-model
#8
Lise Høj Thomsen, Morten Fog-Tonnesen, Lisbeth Nielsen Fink, Jenny Norlin, Amaya García de Vinuesa, Troels Krarup Hansen, Emile de Heer, Peter Ten Dijke, Alexander Rosendahl
Uncontrolled activation of transforming growth factor beta (TGF-β) family members is hypothesized to participate in type 2 diabetes (T2D) dependent diabetic nephropathy (DN). We evaluated and compared downstream activation of the Smad2-signaling pathway in kidney samples from T2D patients to kidneys from the T2D model of leptin receptor deficient db/db mouse. Furthermore, expression of TGF-β family members was evaluated to elucidate molecular mechanisms in the mouse model. Kidney samples from patients with advanced stages of DN showed elevated pSmad2 staining whereas db/db mouse kidneys surprisingly showed a decrease in pSmad2 in the tubular compartment...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28804438/green-tea-extract-induces-genes-related-to-browning-of-white-adipose-tissue-and-limits-weight-gain-in-high-energy-diet-fed-rat
#9
Li-Han Chen, Yi-Wen Chien, Chung-Tiang Liang, Ching-Hung Chan, Meng-Han Fan, Hui-Yu Huang
Background: A wealth of research has reported on the anti-obesity effects of green tea extract (GTE). Although browning of white adipose tissue (WAT) has been reported to attenuate obesity, no study has disclosed the effects of GTE on browning in Sprague Dawley rats. Objectives: The aims of the study were to investigate the effects of GTE on anti-obesity and browning, and their underlying mechanisms. Methods: Four groups of rats (n=10/group) were used including a normal diet with vehicle treatment, and a high-energy diet (HED) with vehicle or GTE by oral gavage at 77...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28803236/enhancement-of-bone-healing-by-local-administration-of-carbon-nanotubes-functionalized-with-sodium-hyaluronate-in-rat-tibiae
#10
Vanessa B Andrade, Marcos A Sá, Renato M Mendes, Paulo A Martins-Júnior, Gerluza A B Silva, Bruna R Sousa, Marcelo V Caliari, Erick S Ávila, Luiz Orlando Ladeira, Rodrigo R Resende, Anderson J Ferreira
It has been reported that carbon nanotubes (CNTs) serve as nucleation sites for the deposition of bone matrix and cell proliferation. Here, we evaluated the effects of multi-walled CNTs (MWCNTs) on bone repair of rat tibiae. Furthermore, because sodium hyaluronate (HY) accelerates bone restoration, we associated CNTs with HY (HY-MWCNTs) in an attempt to boost bone repair. The bone defect was created by a 1.6-mm-diameter drill. After 7 and 14 days, tibiae were processed for histological and morphometric analyses...
August 12, 2017: Cells, Tissues, Organs
https://www.readbyqxmd.com/read/28800317/identification-of-prostate-cancer-hub-genes-and-therapeutic-agents-using-bioinformatics-approach
#11
Enhao Fang, Xiuqing Zhang, Qi Wang, Daoming Wang
BACKGROUND: Prostate cancer (PCa) is the most common and the second leading cause of cancer-related death among men in America. As the molecular mechanism of PCa has not yet been completely discovered, identification of hub genes and potential drug of this disease is an important area of research that could provide new insights into exploring the mechanisms underlying PCa. OBJECTIVE: The aim of this study was to identify potential biomarkers and novel drug for prostate cancer treatment...
July 30, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28798778/tumorigenic-and-differentiation-potentials-of-embryonic-stem-cells-depend-on-tgf%C3%AE-family-signaling-lessons-from-teratocarcinoma-cells-stimulated-to-differentiate-with-retinoic-acid
#12
Olga Gordeeva, Sergey Khaydukov
A significant challenge for the development of safe pluripotent stem cell-based therapies is the incomplete in vitro differentiation of the pluripotent stem cells and the presence of residual undifferentiated cells initiating teratoma development after transplantation in recipients. To understand the mechanisms of incomplete differentiation, a comparative study of retinoic acid-induced differentiation of mouse embryonic stem (ES) and teratocarcinoma (EC) cells was conducted. The present study identified differences in proliferative activity, differentiation, and tumorigenic potentials between ES and EC cells...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28798376/3d-biomimetic-artificial-bone-scaffolds-with-dual-cytokines-spatiotemporal-delivery-for-large-weight-bearing-bone-defect-repair
#13
Xiaogang Bao, Lingjun Zhu, Xiaodong Huang, Dezhi Tang, Dannong He, Jiangang Shi, Guohua Xu
It is a great challenge to prepare "functional artificial bone" for the repair of large segmental defect, especially in weight-bearing bones. In this study, bioactive HA/PCL composite scaffolds that possess anatomical structure as autogenous bone were fabricated by CT-guided fused deposition modeling technique. The scaffolds can provide mechanical support and possess osteoconduction property. Then the VEGF-165/BMP-2 loaded hydrogel was filled into biomimetic artificial bone spatially to introduce osteoinduction and angioinduction ability via sustained release of these cytokines...
August 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798084/a-small-population-of-liver-endothelial-cells-undergoes-endothelial-to-mesenchymal-transition-in-response-to-chronic-liver-injury
#14
Jordi Ribera, Montse Pauta, Pedro Melgar-Lesmes, Bernat Cordoba, Anna Bosch, Maria Calvo, Daniel Rodrigo-Torres, Pau Sancho-Bru, Aurea Mira, Wladimiro Jimenez, Manuel Morales-Ruiz
BACKGROUND AND AIMS: Rising evidence points to endothelial-to-mesenchymal transition (EndMT) as a significant source of the mesenchymal cell population in fibrotic diseases. In this context, we hypothesized that liver endothelial cells undergo EndMT during fibrosis progression. METHODS: Cirrhosis in mice was induced by CCl4 A transgenic mouse expressing a red fluorescent protein reporter under the control of Tie2 promoter (Tie2-tdTomato) was used to trace the acquisition of EndMT...
August 10, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/28797104/increased-microrna-93-5p-inhibits-osteogenic-differentiation-by-targeting-bone-morphogenetic-protein-2
#15
Ying Zhang, Qiu-Shi Wei, Wei-Bin Ding, Lei-Lei Zhang, Hui-Chao Wang, Ying-Jie Zhu, Wei He, Yu-Na Chai, You-Wen Liu
BACKGROUND AND PURPOSE: Trauma-induced osteonecrosis of the femoral head (TIONFH) is a major complication of femoral neck fractures. Degeneration and necrosis of subchondral bone can cause collapse, which results in hip joint dysfunction in patients. The destruction of bone metabolism homeostasis is an important factor for osteonecrosis. MicroRNAs (miRNAs) have an important role in regulating osteogenic differentiation, but the mechanisms underlying abnormal bone metabolism of TIONFH are poorly understood...
2017: PloS One
https://www.readbyqxmd.com/read/28795778/time-dependent-effect-of-electrical-stimulation-on-osteogenic-differentiation-of-bone-mesenchymal-stromal-cells-cultured-on-conductive-nanofibers
#16
Siqi Zhu, Wei Jing, Xiaoqing Hu, Zirong Huang, Qing Cai, Yingfang Ao, Xiaoping Yang
Bone tissue engineering using bone mesenchymal stromal cells (BMSCs) is a multidisciplinary strategy that requires biodegradable scaffold, cell, various promoting cues to work simultaneously. Electrical stimulation (ES) is known able to promote osteogenic differentiation of BMSCs, but it is interesting to know how can it play the strongest promotion effect. To strengthen local ES on BMSCs, parallel-aligned conductive nanofibers were electrospun from the mixtures of poly(L-lactide) (PLLA) and multi-walled carbon nanotubes (MWCNTs), and used for cell culture...
August 10, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28794168/notch-signaling-in-development-tissue-homeostasis-and-disease
#17
REVIEW
Chris Siebel, Urban Lendahl
Notch signaling is an evolutionarily highly conserved signaling mechanism, but in contrast to signaling pathways such as Wnt, Sonic Hedgehog, and BMP/TGF-β, Notch signaling occurs via cell-cell communication, where transmembrane ligands on one cell activate transmembrane receptors on a juxtaposed cell. Originally discovered through mutations in Drosophila more than 100 yr ago, and with the first Notch gene cloned more than 30 yr ago, we are still gaining new insights into the broad effects of Notch signaling in organisms across the metazoan spectrum and its requirement for normal development of most organs in the body...
October 1, 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28791357/synergistic-effects-of-fibroblast-growth-factor-2-and-bone-morphogenetic-protein-2-on-bone-induction
#18
Rongying Song, Dingding Wang, Rong Zeng, Ju Wang
The present study investigated the synergistic effect of co‑administering fibroblast growth factor‑2 (FGF‑2) and bone morphogenetic protein‑2 (BMP‑2) on osteoblastic differentiation in C2C12 cells and in rats. C2C12 murine myoblast cells represent a well‑accepted in vitro model system to study the ability of BMP‑2 to alter cell lineage from the myogenic to the osteogenic phenotype. The osteoblastic differentiation potency was determined by alkaline phosphatase (ALP) and Alizarin red S staining...
August 7, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28791077/bone-morphogenetic-protein-coating-on-titanium-implant-surface-a-systematic-review
#19
REVIEW
Haim Haimov, Natali Yosupov, Ginnady Pinchasov, Gintaras Juodzbalys
OBJECTIVES: The purpose of the study is to systematically review the osseointegration process improvement by bone morphogenetic protein coating on titanium implant surface. MATERIAL AND METHODS: An electronic literature search was conducted through the MEDLINE (PubMed) and EMBASE databases. The search was restricted for articles published during the last 10 years from October 2006 to September 2016 and articles were limited to English language. RESULTS: A total of 41 articles were reviewed, and 8 of the most relevant articles that are suitable to the criteria were selected...
April 2017: Journal of Oral & Maxillofacial Research
https://www.readbyqxmd.com/read/28790933/mechanisms-of-smooth-muscle-cell-differentiation-are-distinctly-altered-in-thoracic-aortic-aneurysms-associated-with-bicuspid-or-tricuspid-aortic-valves
#20
Elena Ignatieva, Daria Kostina, Olga Irtyuga, Vladimir Uspensky, Alexey Golovkin, Natalia Gavriliuk, Olga Moiseeva, Anna Kostareva, Anna Malashicheva
Cellular and molecular mechanisms of thoracic aortic aneurysm are not clear and therapeutic approaches are mostly absent. Thoracic aortic aneurysm is associated with defective differentiation of smooth muscle cells (SMC) of aortic wall. Bicuspid aortic valve (BAV) comparing to tricuspid aortic valve (TAV) significantly predisposes to a risk of thoracic aortic aneurysms. It has been suggested recently that BAV-associated aortopathies represent a separate pathology comparing to TAV-associated dilations. The only proven candidate gene that has been associated with BAV remains NOTCH1...
2017: Frontiers in Physiology
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