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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/28809431/transdifferentiation-of-myoblasts-into-osteoblasts-possible-use-for-bone-therapy
#2
REVIEW
Daphne P L Lin, Revathy Carnagarin, Arun Dharmarajan, Crispin R Dass
OBJECTIVES: Transdifferentiation is defined as the conversion of one cell type to another and is an ever-expanding field with a growing number of cells found to be capable of such a process. To date, the fact remains that there are limited treatment options for fracture healing, osteoporosis and bone repair post-destruction by bone tumours. Hence, this review focuses on the transdifferentiation of myoblast to osteoblast as a means to further understand the transdifferentiation process and to investigate a potential therapeutic option if successful...
August 15, 2017: Journal of Pharmacy and Pharmacology
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
#3
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/28794048/hepatitis-c-virus-core-protein-modulates-endoglin-cd105-signaling-pathway-for-liver-pathogenesis
#4
Young-Chan Kwon, Reina Sasaki, Keith Meyer, Ranjit Ray
Endoglin is part of the TGF-β receptor complex and has a crucial role in fibrogenesis and angiogenesis. It is also an important protein for tumor growth, survival, and cancer cell metastasis. In our previous study, we have shown that hepatitis C virus (HCV) infection induces epithelial-mesenchymal transition state (EMT) and cancer stem-like cell (CSC) properties in human hepatocytes. Our array data suggested that endoglin (CD105) mRNA is significantly upregulated in HCV associated CSCs. In this study, we have observed increased endoglin expression on the cell surface of HCV core expressing hepatocellular carcinoma (HepG2) cell line or immortalized human hepatocytes (IHH) and activation of its downstream signaling molecules...
August 9, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28782519/identification-of-novel-alk2-inhibitors-and-their-effect-on-cancer-cells
#5
Minsung Kim, Okran Choi, Suhkneung Pyo, Sang Un Choi, Chi Hoon Park
Bone morphogenetic protein 9 (BMP9), a member of the TGF-β superfamily, is considered a regulator of glucose homeostasis as well as a neuronal differentiation factor. BMP9 induces phosphorylation of Smad1/5 through activin receptor-like kinase 1 and 2 (ALK1 and ALK2). Recently, many studies have shown that BMP9 contributes to tumorigenesis, and aberrant ALK2 expression is involved in many diseases. To investigate the role of BMP9-ALK2 signaling in cancer cells, we used TF-1 cells that require granulocyte-macrophage colony-stimulating factor (GM-CSF) for cell proliferation...
August 3, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28771228/uev1a-facilitates-osteosarcoma-differentiation-by-promoting-smurf1-mediated-smad1-ubiquitination-and-degradation
#6
Weiwei Zhang, Yuan Zhuang, Yiran Zhang, Xiaoran Yang, Hong Zhang, Guifen Wang, Wanqi Yin, Ruifeng Wang, Zhiling Zhang, Wei Xiao
Malignant bone tumor osteosarcoma (OS) displays high metastasis incidence and poor prognosis. Its stem cell properties could serve to explain tumor recurrence and resistance to conventional treatments. In this study, we identified UEV1A as a novel suppressor of OS. Elevated UEV1A diminishes stem cell properties of OS cells and drives them to terminal differentiation. Importantly, UEV1A-overexpressed OS cells delay proliferation and are more sensitive to chemotherapeutic agents than control cells. Uev1A appears to be involved in the BMP signaling pathway in which it collaborates with a ubiquitin E3 ligase Smurf1 to promote Smad1 degradation in a Ubc13-independent manner...
August 3, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28761062/t2diacod-a-gene-atlas-of-type-2-diabetes-mellitus-associated-complex-disorders
#7
Jyoti Rani, Inna Mittal, Atreyi Pramanik, Namita Singh, Namita Dube, Smriti Sharma, Bhanwar Lal Puniya, Muthukurussi Varieth Raghunandanan, Ahmed Mobeen, Srinivasan Ramachandran
We performed integrative analysis of genes associated with type 2 Diabetes Mellitus (T2DM) associated complications by automated text mining with manual curation and also gene expression analysis from Gene Expression Omnibus. They were analysed for pathogenic or protective role, trends, interaction with risk factors, Gene Ontology enrichment and tissue wise differential expression. The database T2DiACoD houses 650 genes, and 34 microRNAs associated with T2DM complications. Seven genes AGER, TNFRSF11B, CRK, PON1, ADIPOQ, CRP and NOS3 are associated with all 5 complications...
July 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28760815/endothelial-cells-respond-to-the-direction-of-mechanical-stimuli-through-smad-signaling-to-regulate-coronary-artery-size
#8
Aruna Poduri, Brian Raftrey, Andrew H Chang, Siyeon Rhee, Mike Van, Kristy Red-Horse
How mechanotransduction intersects with chemical and transcriptional factors to shape organogenesis is an important question in developmental biology. This is particularly relevant to the cardiovascular system, which uses mechanical signals from flowing blood to stimulate cytoskeletal and transcriptional responses that form a highly efficient vascular network. Using this system, artery size and structure are tightly regulated, but the underlying mechanisms are poorly understood. Here, we demonstrate that deletion of Smad4 increased the diameter of coronary arteries during embryonic development, a phenotype that followed the initiation of blood flow...
July 31, 2017: Development
https://www.readbyqxmd.com/read/28758427/genome-wide-dna-methylation-profiling-of-the-regenerative-mrl-mpj-mouse-and-two-normal-strains
#9
Bartosz Górnikiewicz, Anna Ronowicz, Piotr Madanecki, Paweł Sachadyn
AIM: We aimed to identify the pivotal differences in the DNA methylation profiles between the regeneration capable MRL/MpJ mouse and reference mouse strains. MATERIALS & METHODS: Global DNA methylation profiling was performed in ear pinnae, bone marrow, spleen, liver and heart from uninjured adult females of the MRL/MpJ and C57BL/6J and BALB/c. RESULTS & CONCLUSION: A number of differentially methylated regions (DMRs) distinguishing between the MRL/MpJ mouse and both references were identified...
July 31, 2017: Epigenomics
https://www.readbyqxmd.com/read/28755405/serum-ifn-%C3%AE-predicts-the-therapeutic-effect-of-mesenchymal-stem-cells-transplantation-in-systemic-lupus-erythematosus-patients
#10
Dandan Wang, Shiying Wang, Saisai Huang, Zhuoya Zhang, Xinran Yuan, Xuebing Feng, Liwei Lu, Lingyun Sun
Umbilical cord (UC) derived mesenchymal stem cells (MSCs) show immunoregulatory properties on various immune cells and display therapeutic effects on various autoimmune diseases such as systemic lupus erythematosus (SLE). The aim of this study is to investigate the effect of SLE environment on UC MSCs and to identify the possible serum biomarker to predict the therapeutic effect. UC MSCs were cocultured with peripheral blood mononuclear cells (PBMCs) from active lupus patients and the proliferation, apoptosis and surface markers of UC MSCs were observed...
July 29, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28743897/the-healing-of-alveolar-bone-defects-with-novel-bio-implants-composed-of-ad-bmp9-transfected-rdfcs-and-cha-scaffolds
#11
Li Nie, Xia Yang, Liang Duan, Enyi Huang, Zhou Pengfei, Wenping Luo, Yan Zhang, Xingqi Zeng, Ye Qiu, Ting Cai, Conghua Li
Cells, scaffolds, and growth factors play important roles in bone regeneration. Bone morphogenetic protein 9 (BMP9), a member of BMP family, could facilitate osteogenesis by regulating growth factors and promoting angiogenesis. Similar to other stem cells, rat dental follicle stem cells (rDFCs), the precursor cells of cementoblasts, osteoblasts and periodontal ligament cells, can self-renew and exhibit multipotential capacity. Coralline hydroxyapatite (CHA) has good biocompatibility and conductivity required for bone tissue engineering...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28743512/inferring-transcription-factor-activity-from-microarray-data-reveals-novel-targets-for-toxicological-investigations
#12
T M Souza, T van den Beucken, J C S Kleinjans, D G J Jennen
Transcription factors (TFs) are important modulators of the inducible portion of the transcriptome, and therefore relevant in the context of exposure to exogenous compounds. Current approaches to predict the activity of TFs in biological systems are usually restricted to a few entities at a time due to low-throughput techniques targeting a limited fraction of annotated human TFs. Therefore, high-throughput alternatives may help to identify new targets of mechanistic and predictive value in toxicological investigations...
July 22, 2017: Toxicology
https://www.readbyqxmd.com/read/28733457/role-of-bone-morphogenetic-proteins-in-sprouting-angiogenesis-differential-bmp-receptor-dependent-signaling-pathways-balance-stalk-vs-tip-cell-competence
#13
Andreas Benn, Christian Hiepen, Marc Osterland, Christof Schütte, An Zwijsen, Petra Knaus
Before the onset of sprouting angiogenesis, the endothelium is prepatterned for the positioning of tip and stalk cells. Both cell identities are not static, as endothelial cells (ECs) constantly compete for the tip cell position in a dynamic fashion. Here, we show that both bone morphogenetic protein (BMP) 2 and BMP6 are proangiogenic in vitro and ex vivo and that the BMP type I receptors, activin receptor-like kinase (ALK)3 and ALK2, play crucial and distinct roles in this process. BMP2 activates the expression of tip cell-associated genes, such as DLL4 (delta-like ligand 4) and KDR (kinase insert domain receptor), and p38-heat shock protein 27 (HSP27)-dependent cell migration, thereby generating tip cell competence...
July 21, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28731456/upregulation-of-tet-activity-with-ascorbic-acid-induces-epigenetic-modulation-of-lymphoma-cells
#14
N Shenoy, T Bhagat, E Nieves, M Stenson, J Lawson, G S Choudhary, T Habermann, G Nowakowski, R Singh, X Wu, A Verma, T E Witzig
The Ten Eleven Translocation (TET) enzymes have been found to be mutated in both diffuse large B-cell (DLBCL) and peripheral T-cell (PTCL) lymphomas resulting in DNA hypermethylation. Recent studies in embryonal stem cells showed that ascorbic acid (AA) is a cofactor for TET with a binding site at the catalytic domain, and enhances TET activity. We hypothesized that AA could potentially enhance TET activity in lymphoma cells to cause DNA demethylation, reactivate expression of tumor suppressor genes and enhance chemosensitivity...
July 21, 2017: Blood Cancer Journal
https://www.readbyqxmd.com/read/28731124/bmp7-mediates-the-anticancer-effect-of-honokiol-by-upregulating-p53-in-hct116-cells
#15
Rong-Xing Liu, Wen-Yan Ren, Yan Ma, Yun-Peng Liao, Han Wang, Jia-Hui Zhu, Hai-Tao Jiang, Ke Wu, Bai-Cheng He, Wen-Juan Sun
Colorectal cancer (CRC) is the second leading cause of cancer death. Hence, there is a great need to explore new efficacious drugs for the treatment of CRC. Honokiol (HNK), a natural product extracted from magnolia bark, processes various biological activities, including anticancer. In this study, we introduced cell viability assay, western blotting, real-time PCR and immunofluorescent staining to determine the anticancer effect of HNK, and the possible mechanism underlying this biological process. We found that HNK can inhibit the proliferation and induce apoptosis in HCT116 cells in a concentration- and time-dependent manner...
July 21, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28711939/baicalin-attenuates-monocrotaline-induced-pulmonary-hypertension-through-bone-morphogenetic-protein-signaling-pathway
#16
Zhaohua Zhang, Luan Zhang, Chao Sun, Feng Kong, Jue Wang, Qian Xin, Wen Jiang, Kaili Li, Ou Chen, Yun Luan
Baicalin, a flavonoid compound extracted from roots of Scutellaria baicalensis Georgi (huang qin), it has been shown to effectively attenuates pulmonary hypertension (PH), however, the potential mechanism remains unexplored. In this study, we investigated the potential mechanism of baicalin on monocrotaline (MCT)-induced PH in rats. The results showed that baicalin attenuated lung damage in PH rat model through inhibiting the pulmonary arterial smooth muscle cell proliferation and induction of cells apoptosis...
June 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28711495/evidence-for-constitutive-bone-morphogenetic-protein-2-secretion-by-m1-macrophages-constitutive-auto-paracrine-osteogenic-signaling-by-bmp-2-in-m1-macrophages
#17
Prabhatchandra R Dube, Lutz Birnbaumer, Guillermo Vazquez
Mechanisms mediating vascular calcification recapitulate osteogenic processes encompassing bone formation and imply participation of bone related proteins such as bone morphogenetic protein-2 (BMP-2). Macrophages are amongst the cells that contribute to vascular ossification by releasing cytokines that induce an osteogenic program in vascular smooth muscle cells, and also by becoming themselves osteoclast-like cells. In inflammatory vascular disease, the macrophage population in the vascular wall is diverse, with the M1 or inflammatory, and the M2 or anti-inflammatory macrophage types being dominant...
July 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28703293/bmp-and-tgf%C3%AE-signaling-regulate-the-formation-of-m%C3%A3-ller-glia-derived-progenitor-cells-in-the-avian-retina
#18
Levi Todd, Isabella Palazzo, Natalie Squires, Ninoshka Mendonca, Andy J Fischer
Müller glia-derived progenitor cells (MGPCs) have the capability to regenerate neurons in the retinas of different vertebrate orders. The formation of MGPCs is regulated by a network of cell-signaling pathways. The purpose of this study was to investigate how BMP/Smad1/5/8- and TGFβ/Smad2/3-signaling are coordinated to influence the formation of MGPCs in the chick model system. We find that pSmad1/5/8 is selectively up-regulated in the nuclei of Müller glia following treatment with BMP4, FGF2, or NMDA-induced damage, and this up-regulation is blocked by a dorsomorphin analogue DMH1...
July 13, 2017: Glia
https://www.readbyqxmd.com/read/28697500/cx43-and-smad-mediated-tgf-%C3%AE-bmp-signaling-pathway-promotes-cartilage-differentiation-of-bone-marrow-mesenchymal-stem-cells-and-inhibits-osteoblast-differentiation
#19
Ya-Dong Zhang, Shi-Chang Zhao, Zhong-Sheng Zhu, Yi-Fei Wang, Jian-Xiang Liu, Zhi-Cai Zhang, Feng Xue
BACKGROUND/AIMS: The aim of this study was to investigate the influence of Cx43- and Smad-mediated TGF-β/BMP signaling pathway on the differentiation of bone marrow mesenchymal stem cells (BMSCs) into cartilage and inhibition of ossification. METHODS: BMSCs of Wistar rats were cultured and assigned into 5 groups for transfection with adenoviruses. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting were employed to detect mRNA and protein expressions of target genes...
July 11, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28691737/evaluating-the-antifibrotic-potency-of-galunisertib-in-a-human-ex-vivo-model-of-liver-fibrosis
#20
Theerut Luangmonkong, Su Suriguga, Emilia Bigaeva, Miriam Boersema, Dorenda Oosterhuis, Koert P de Jong, Detlef Schuppan, Henricus A M Mutsaers, Peter Olinga
BACKGROUND AND PURPOSE: Liver fibrosis is a major cause of liver-related mortality. Yet, to date, no effective antifibrotic drug is available. Galunisertib, a TGF-β receptor type I kinase inhibitor, is a potential candidate for the treatment of liver fibrosis. Here, we evaluated the potency of galunisertib in a human ex vivo model of liver fibrosis. EXPERIMENTAL APPROACH: Antifibrotic potency and associated mechanisms were studied ex vivo, using both healthy and cirrhotic human precision-cut liver slices...
July 10, 2017: British Journal of Pharmacology
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