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https://www.readbyqxmd.com/read/29330453/calcium-sulfate-induced-versus-pmma-induced-membrane-in-a-critical-sized-femoral-defect-in-a-rat-model
#1
Yun-Fei Ma, Nan Jiang, Xiang Zhang, Cheng-He Qin, Lei Wang, Yan-Jun Hu, Qing-Rong Lin, Bin Yu, Bo-Wei Wang
Aimed to investigate the characteristics of CS-induced membrane in comparison with the PMMA-induced membrane. Cellular components, histological changes, growth factor expressions of IL-6, VEGF, BMP-2, and TGF-β1 in the two induced membranes were compared at 2, 4, 6 and 8 weeks, respectively. We also compared the histological changes at the bone defects between CS and PMMA groups. The structural characteristics of induced membrane were similar between CS and PMMA. Endochondral ossification took place in the CS-induced membrane at 8 week...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29327447/itraq-based-proteomic-analysis-explore-the-influence-of-hypoxia-on-the-proteome-of-dental-pulp-stem-cells-under-3d-culture
#2
Lei Dou, Qifang Yan, Panpan Liang, Pengfei Zhou, Yan Zhang, Ping Ji
Various approaches are used to improve the efficacy of mesenchymal stem cells(MSCs) therapy. Hypoxic preconditioning is one of the most commonly-applied strategy prior to MSCs transplantation for enhancing the therapeutic effect. Identifying the effect of hypoxic preconditioning is helpful for better application. However, the influence of hypoxia on dental tissue derived MSCs cultured in 3D was lacking. Thus, this present study is to investigate the gene expression and proteome of dental pulp stem cells(DPSCs) after hypoxic preconditioning...
January 12, 2018: Proteomics
https://www.readbyqxmd.com/read/29324800/hepcidin-deficiency-and-iron-deficiency-do-not-alter-tuberculosis-susceptibility-in-a-murine-m-tb-infection-model
#3
Rachel Harrington-Kandt, Elena Stylianou, Lucy A Eddowes, Pei Jin Lim, Lisa Stockdale, Nawamin Pinpathomrat, Naomi Bull, Janet Pasricha, Marta Ulaszewska, Yulia Beglov, Sophie Vaulont, Hal Drakesmith, Helen McShane
Tuberculosis (TB), caused by the macrophage-tropic pathogen Mycobacterium tuberculosis (M.tb) is a highly prevalent infectious disease. Since an immune correlate of protection or effective vaccine have yet to be found, continued research into host-pathogen interactions is important. Previous literature reports links between host iron status and disease outcome for many infections, including TB. For some extracellular bacteria, the iron regulatory hormone hepcidin is essential for protection against infection...
2018: PloS One
https://www.readbyqxmd.com/read/29323717/chondrogenic-differentiation-of-human-scalp-adipose-derived-stem-cells-in-polycaprolactone-scafold-and-using-freeze-thaw-freeze-method
#4
Rana Moradian Tehrani, Hamed Mirzaie, Javad Verdi, Amirhossein Sahebkar, Mahdi Noureddini, Rasoul Salehi, Behrang Alani, Mojtaba Kianmehr
Human adipose tissue has been identified as a viable alternative source for mesenchymal stem cells. SADSCs were isolated from human scalp biopsy and then were characterized by Flow cytometry. SADSCS expressed CD90, CD44, and CD105 but did not express CD45 surface marker. Growth factors were used for chondrogenesis induction. Histology and immunohistology methods and gene expression by real-time PCR 14 days after induced cells have shown the feature of chondrocytes in their morphology and extracellular matrix in both inducing patterns of combination and cycling induction...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29321139/bmp-smad-pathway-promotes-neurogenesis-of-midbrain-dopaminergic-neurons-in-vivo-and-in-human-induced-pluripotent-and-neural-stem-cells
#5
V M Jovanovic, A Salti, H Tilleman, K Zega, M M Jukic, H Zou, R H Friedel, N Prakash, S Blaess, F Edenhofer, C Brodski
The embryonic formation of midbrain dopaminergic (mDA) neurons in vivo provides critical guidelines for the in vitro differentiation of mDA neurons from stem cells, currently being developed for Parkinson's disease cell replacement therapy. Bone morphogenetic protein (BMP)/SMAD inhibition is routinely used during early steps of stem cell differentiation protocols, including for the generation of mDA neurons. However, the function of the BMP/SMAD pathway for in vivo specification of mammalian mDA neurons is virtually unknown...
January 10, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29311578/promoting-induced-pluripotent-stem-cell-driven-biomineralization-and-periodontal-regeneration-in-rats-with-maxillary-molar-defects-using-injectable-bmp-6-hydrogel
#6
Ke-Hung Chien, Yuh-Lih Chang, Mong-Lien Wang, Jen-Hua Chuang, Ya-Chi Yang, Ming-Cheng Tai, Chien-Ying Wang, Yung-Yang Liu, Hsin-Yang Li, Jiang-Torng Chen, Shou-Yen Kao, Hen-Li Chen, Wen-Liang Lo
Periodontal disease may cause considerable destruction of alveolar bone, periodontal ligaments (PDLs) and cementum and even lead to progressive oral dysfunction. Periodontal tissue regeneration is the ultimate goal of periodontal disease treatment to reconstruct both structures and functions. However, the regenerative efficiency is low, possibly due to the lack of a proper periodontal microenvironment. In this study, we applied an injectable and thermosensitive chitosan/gelatin/glycerol phosphate hydrogel to provide a 3D environment for transplanted stem cells and to enhance stem cell delivery and engraftment...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29310362/wrapping-grafting-for-congenital-pseudarthrosis-of-the-tibia-a-preliminary-report
#7
An Yan, Hai-Bo Mei, Kun Liu, Jiang-Yan Wu, Jin Tang, Guang-Hui Zhu, Wei-Hua Ye
OBJECTIVE: Treatment of congenital pseudarthrosis of the tibia (CPT) remains a challenge. The autogenic iliac bone graft is important consistent of treatment for CPT. The purpose of this study was to investigate the role of wrapping autogenic iliac bone graft in improvement of the curing opportunities of CPT. METHODS: We combined Ilizarov fixator with intramedullary rodding of the tibia and wrapping autogenic iliac bone graft for treatment 51 cases of CPT between 2007 and 2010...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29303122/microarray-analysis-of-the-gene-expression-profile-in-triethylene-glycol-dimethacrylate-treated-human-dental-pulp-cells
#8
D Torun, Z Ö Torun, K Demirkaya, M Sarper, M P Elçi, F Avcu
OBJECTIVE: Triethylene glycol dimethacrylate (TEGDMA) is an important resin monomer commonly used in the structure of dental restorative materials. Recent studies have shown that unpolymerized resin monomers may be released into the oral environment and cause harmful biological effects. We investigated changes in the gene expression profiles of TEGDMA-treated human dental pulp cells (hDPCs) following short- (1-day) and long-term (7-days) exposure. MATERIALS AND METHODS: HDPCs were exposed to a noncytotoxic concentration of TEGDMA, and gene expression profiles were evaluated by microarray analysis...
November 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29279116/structural-characterization-and-osteogenic-bioactivity-of-a-sulfated-polysaccharide-from-pacific-abalone-haliotis-discus-hannai-ino
#9
Shuang Song, Bao Zhang, Sufeng Wu, Lu Huang, Chunqing Ai, Jinfeng Pan, Yi-Cheng Su, Zhongfu Wang, Chengrong Wen
Bone morphogenic protein-2 (BMP-2) is known to promote osteogenesis. To find novel adjuvants to enhance the activity of BMP-2, the present study investigated the structure BMP-2-induced osteogenic activity of a water-soluble polysaccharide from the gonad of pacific abalone (Haliotis discus hannai Ino) named AGSP. Through analysis of aldobiouronic acids released from AGSP, monosaccharide composition comparison of AGSP and its reduced product, and methylation analysis and NMR analysis of AGSP and its desulfated derivative, the main structure residue of AGSP was determined as →3)-GlcA(1→3)-Gal(1→ with sulfated branches comprised of prevelant Gal and minor Glc, and →4)-β-GlcA(1→2)-α-Man(1→ residue was also found...
February 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29275592/-the-effect-of-follicular-fluid-from-patients-with-endometriosis-follicle-stimulating-hormone-and-bone-morphogenetic-protein-15-on-the-proliferation-and-progesterone-secretion-of-granular-cells
#10
X F Wang, X N Lin, Y D Dai, X Lin, H M Lü, F Zhou, S Y Zhang
Objective: The study was designed to evaluate the effect of follicular fluid from patients with endometriosis, follicle stimulating hormone (FSH), bone morphogenetic protein 15 (BMP-15) on the proliferation and progesterone secretion of human luteinized granular cells in vitro. Methods: Cumulus granulosa cells were collected from the patients who underwent in vitro fertilization and embryo transfer (IVF-ET) ovulation due to tubal or male factor infertility on the day of the retrieval. The cells in the control group were cultured with complete medium of DMEM/F-12, an extra of FSH at a dose of 12 μg/L was added in the FSH group, an extra of BMP-15 at a dose of 6 μg/L was added to the BMP-15 group, an extra of 5% of the follicular fluid from the patients with tubal or male factor infertility was added to the tubal group, an extra of 5% of the follicular fluid from the patients with endometriosis infertility was added to the endometriosis group, an extra of 5% of the follicular fluid from the patients with endometriosis infertility plus FSH at a dose of 12 μg/L were added to the endometriosis plus FSH group, and an extra of 5% of the follicular fluid from the patients with endometriosis infertility plus BMP-15 at a dose of 6 μg/L were added to the endometriosis plus BMP-15 group...
December 5, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29274310/is-bone-morphogenetic-protein-2-as-effective-as-alveolar-distraction-osteogenesis-for-vertical-bone-regeneration
#11
Jose M Reuss, Joan Pi-Anfruns, Peter K Moy
PURPOSE: The aim of this study was to assess the clinical effectiveness of alveolar distraction osteogenesis (ADO) versus recombinant human bone morphogenetic protein-2 (rh-BMP-2) for vertical ridge augmentation. Few data have been published on vertical bone regeneration using rh-BMP-2. MATERIALS AND METHODS: The authors implemented a retrospective cohort study and enrolled a sample composed of patients with deficient alveolar vertical bone height. The primary predictor variable was vertical augmentation with BMP-2 and a titanium mesh or ADO...
November 29, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29259843/tris-1-3-dichloro-2-propyl-phosphate-disrupts-dorsoventral-patterning-in-zebrafish-embryos
#12
Subham Dasgupta, Sara M Vliet, Allison Kupsco, Jessica K Leet, Diego Altomare, David C Volz
Tris(1,3-dichloro-2-propyl) phosphate (TDCIPP) is a high-production volume organophosphate flame retardant widely used within the United States. Within zebrafish, initiation of TDCIPP exposure at 0.75 h post-fertilization (hpf) results in genome-wide alterations in methylation during cleavage (2 hpf) as well as epiboly delay or arrest (at higher concentrations) during late-blastula and early-gastrula (4-6 hpf). To determine whether these TDCIPP-induced effects were associated with impacts on the transcriptome, embryos were exposed to vehicle (0...
2017: PeerJ
https://www.readbyqxmd.com/read/29258711/mechanisms-of-aortic-stenosis
#13
REVIEW
Hirokuni Akahori, Takeshi Tsujino, Tohru Masuyama, Masaharu Ishihara
The pathobiology of degenerative aortic valve stenosis (AS) is complex and involves multiple features such as fibrosis, inflammation, oxidative stress, angiogenesis, hemorrhage, and osteogenic differentiation. We summarize the mechanism of valve calcification and angiogenesis which is necessary for calcifying processes. A promising therapeutic target is nuclear factor (NF)-κB which activates bone morphogenetic protein (BMP)2 via interleukin-6. BMP2 activates Wnt signaling via msh homeobox 2 causing osteogenic differentiation...
December 16, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/29245956/combination-therapy-of-exendin-4-and-allogenic-adipose-derived-mesenchymal-stem-cell-preserved-renal-function-in-a-chronic-kidney-disease-and-sepsis-syndrome-setting-in-rats
#14
Chih-Hung Chen, Ben-Chung Cheng, Kuan-Hung Chen, Pei-Lin Shao, Pei-Hsun Sung, Hsin-Ju Chiang, Chih-Chao Yang, Kun-Chen Lin, Cheuk-Kwan Sun, Jiunn-Jye Sheu, Hsueh-Wen Chang, Mel S Lee, Hon-Kan Yip
Combined therapy with exendin-4 (Ex4) and allogenic adipose-derived mesenchymal stem cells (ADMSC) was tested against either therapy alone for protecting kidney function against chronic kidney disease (CKD) complicated by sepsis syndrome (SS) [i.e., by intraperitoneal injection of cecal-derived bacteria (1.0 × 104) cells/milliliter/total 5.0 cc].Adult-male-Sprague Dawley rats (n=36) were equally divided into group 1 (sham-control), group 2 (CKD), group 3 (CKD-SS), group 4 (CKD-SS-Ex4), group 5 (CKD-SS-ADMSC) and group 6 (CKD-SS-Ex4-ADMSC)...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29237390/chronopharmacokinetic-evaluation-of-budesonide-multiparticulate-systems
#15
Sowjanya Battu, Prasanna Raju Yalavarthi, G V Subbareddy, Uma Maheswara Rao, Jyothshna Devi Katamreddy, Harini Cowdary Vadlamudi
Poor oral absorption of budesonide limits design of its solid oral dosage form. With this context, multiparticulate pulsatile system of budesonide for chronotherapy of nocturnal asthma was aimed in this study. Initially, solid dispersions of budesonide (BD) using sodium starch glycolate (SSG) and guar gum (GG) were developed and characterized. Uniform sized non-pariel seeds (~400 µm) were coated with solid dispersions to obtain immediate (BMP) and controlled release pellets by solution layering technique. Pulsatile drug release pellets (BMPP) were obtained by coating the controlled release pellets with Eudragit L100 and RS 100...
December 12, 2017: Recent Patents on Drug Delivery & Formulation
https://www.readbyqxmd.com/read/29235531/circulating-bone-morphogenetic-protein-9-in-relation-to-metabolic-syndrome-and-insulin-resistance
#16
Xiaohui Xu, Xiaoqiang Li, Gangyi Yang, Ling Li, Wenjing Hu, Lili Zhang, Hua Liu, Hongting Zheng, Minghong Tan, Danping Zhu
Our objective is to determine circulating Bone morphogenetic protein-9(BMP-9) levels in subjects with Metabolic Syndrome (MetS) and examine the relationship between BMP-9 and conventional markers for MetS and insulin resistance (IR). A total of 362 newly diagnosed patients with MetS along with healthy controls were recruited for this cross-sectional study. Circulating BMP-9 levels were measured by ELISA. Circulating BMP-9 levels were significantly lower in MetS patients compared to those of the healthy controls...
December 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29233086/functional-polymorphisms-in-asporin-and-cilp-together-with-joint-loading-predispose-to-hand-osteoarthritis
#17
Mari Taipale, Svetlana Solovieva, Päivi Leino-Arjas, Minna Männikkö
BACKGROUND: Osteoarthritis (OA) is the most common degenerative joint disease afflicting people in the Western world and has a strong genetic influence. The aim of this study was to examine the association of two known functional polymorphisms in the TGF-β inhibiting genes, asporin (ASPN) and cartilage intermediate layer protein (CILP), with hand OA and potential gene-occupational hand loading interaction. RESULTS: Statistically significant interaction of the CILP rs2073711 T and ASPN D15 alleles with hand OA was observed (OR = 2...
December 12, 2017: BMC Genetics
https://www.readbyqxmd.com/read/29218106/extracorporeal-shock-wave-therapy-effectively-protects-brain-against-chronic-cerebral-hypo-perfusion-induced-neuropathological-changes
#18
Han-Tan Chai, Kuan-Hung Chen, Christopher Glenn Wallace, Chih-Hung Chen, Pei-Hsun Sung, Yung-Lung Chen, Chun-Man Yuen, Pei-Lin Shao, Cheuk-Kwan Sun, Hsueh-Wen Chang, Ching-Jen Wang, Mel S Lee, Hon-Kan Yip, Sheung-Fat Ko
This study tested the hypothesis that extracorporeal shock wave (ECSW) therapy could protect mouse brain from chronic cerebral hypoperfusion (CHP)-induced neuropathological changes in a bilateral carotid arterial stenosis (CAS) model. Adult-male C57BL/6 (B6) mice (n=36) were randomized into group 1 (sham-control), group 2 (CHP) and group 3 [CHP+ECSW (100 impulses at 0.15 mJ/mm2) on day 5, 10 and 15 after CHP induction]. By day 60 after CHP induction, the white matter lesion, protein expressions of inflammatory (TNF-α/NF-κB/iNOS), oxidative-stress (NOX-1/NOX-2/NOX-4/nitrotyrosine), angiogenesis (eNOS/CD31), apoptotic (Bax/caspase-3/PARP), fibrotic (Smad3/TGF-ß) and mitochondrial-damaged (cytosolic cytochrome-C) biomarkers were significantly higher in group 2 than in groups 1 and 3, and significantly higher in group 3 than in group 1, whereas the protein expressions of anti-apoptotic (Bcl-2), anti-fibrotic (BMP-2/Smad1/5), and mitochondrial-integrity (mitochondrial cytochrome-C) biomarkers showed an opposite pattern to inflammation among the three groups (all P<0...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/29207198/mechanism-of-triptolide-in-treating-ankylosing-spondylitis-through-the-anti%C3%A2-ossification-effect-of-the-bmp-smad-signaling-pathway
#19
Guilong Wang, Jing Cai, Jinshan Zhang, Cuiyun Li
The present study aimed to examine the mechanism of triptolide in the treatment of ankylosing spondylitis (AS) through the anti‑ossification effect of bone morphogenetic protein (BMP)/small mothers against decapentaplegic (Smad) pathway. Male rats were randomly divided into five groups: Normal rat group; model group; triptolide low dose group (10 mg/kg); triptolide middle dose group (20 mg/kg); triptolide high dose group (40 mg/kg). The spinal joint capsules of each group of rats were collected to perform primary cell culture to determine the levels of cell proliferation...
November 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29202482/ligand-activated-bmp-signaling-inhibits-cell-differentiation-and-death-to-promote-melanoma
#20
Arvind M Venkatesan, Rajesh Vyas, Alec K Gramann, Karen Dresser, Sharvari Gujja, Sanchita Bhatnagar, Sagar Chhangawala, Camilla Borges Ferreira Gomes, Hualin Simon Xi, Christine G Lian, Yariv Houvras, Yvonne J K Edwards, April Deng, Michael Green, Craig J Ceol
Oncogenomic studies indicate that copy number variation (CNV) alters genes involved in tumor progression; however, identification of specific driver genes affected by CNV has been difficult, as these rearrangements are often contained in large chromosomal intervals among several bystander genes. Here, we addressed this problem and identified a CNV-targeted oncogene by performing comparative oncogenomics of human and zebrafish melanomas. We determined that the gene encoding growth differentiation factor 6 (GDF6), which is the ligand for the BMP family, is recurrently amplified and transcriptionally upregulated in melanoma...
December 4, 2017: Journal of Clinical Investigation
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