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https://www.readbyqxmd.com/read/27888757/bmp4-id2-signaling-pathway-is-a-novel-therapeutic-target-for-late-outgrowth-endothelial-progenitor-cell-mediated-endothelial-injury-repair
#1
Wen-Hao Xia, Long Chen, Jian-Wen Liang, Xiao-Yu Zhang, Chen Su, Xinzhu Tong, Jiang He, Yan Li, Zheng Cao, Xiu-Fang Lin, Jun Tao
BACKGROUND: Endothelial progenitor cells (EPCs) play a pivotal role in endothelial repair following artery injury, however, the molecular mechanism of late outgrowth EPCs (LEPCs) in endothelial repair remained to be studied. Bone morphogenetic protein 4 (BMP4) is involved in vascular injury-mediated mobilization and homing of LEPCs. Here, we investigated the influence of BMP4-modified signaling pathway in LEPC-related endothelial repair of human and underlying molecular mechanism. METHODS AND RESULTS: In vitro, after a 28day culture, human LEPCs were pretreated with different concentrations of recombinant BMP4 (0, 10, 50, or 100ng/mL), which markedly augmented the migration and adhesion in vitro and demonstrated a significantly accelerated in vivo endothelial repair capacity of human LEPCs after transplantation into nude mice with carotid artery denudation injury...
November 9, 2016: International Journal of Cardiology
https://www.readbyqxmd.com/read/27864336/bmp4-promotes-mouse-ips-cell-differentiation-to-male-germ-cells-via-smad1-5-gata4-id1-and-id2
#2
Shi Yang, Qingqing Yuan, Minghui Niu, Jingmei Hou, Zijue Zhu, Min Sun, Zheng Li, Zuping He
Generation of male germ cells from pluripotent cells could provide male gametes for treating male infertility and offer an ideal model for unveiling molecular mechanisms of spermatogenesis. However, the influence and exact molecular mechanisms, especially downstream effectors of BMP4 signaling pathways, in male germ cell differentiation of the induce pluripotent stem (iPS) cells, remain unknown. This study was designed to explore the role and mechanism of BMP4 signaling in the differentiation of mouse induced pluripotent stem (iPS) cells to male germ cells...
November 18, 2016: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27843458/expression-of-bmp-and-actin-membrane-bound-inhibitor-is-increased-during-terminal-differentiation-of-mscs
#3
Christian G Pfeifer, Alexandra Karl, Arne Berner, Johannes Zellner, Paul Schmitz, Markus Loibl, Matthias Koch, Peter Angele, Michael Nerlich, Michael B Mueller
Chondrogenic differentiating mesenchymal stem cells (MSCs) are mimicking embryonal endochondral ossification and become hypertrophic. BMP (bone morphogenetic protein) and Activin Membrane Bound Inhibitor (BAMBI) is a pseudoreceptor that regulates the activity of transforming growth factor-β (TGF-β) and BMP signalling during chondrogenesis. Both TGF-β and BMP signalling are regulators of chondrogenic cell differentiation. Human bone marrow derived MSCs were chondrogenically predifferentiated in aggregate culture for 14 days...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27812534/data-on-micrornas-and-microrna-targeted-mrnas-in-xenopus-ectoderm
#4
Vrutant V Shah, Benjamin Soibam, Ruth A Ritter, Ashley Benham, Jamina Oomen, Amy K Sater
Small RNAs from early neural (i.e., Noggin-expressing, or NOG) and epidermal (expressing a constitutively active BMP4 receptor, CABR) ectoderm in Xenopus laevis were sequenced to identify microRNAs (miRs) expressed in each tissue. Argonaute-associated mRNAs were isolated and sequenced to identify genes that are regulated by microRNAs in these tissues. Interactions between these ectodermal miRs and selected miR-regulated mRNAs were predicted using the PITA algorithm; PITA predictions for over 600 mRNAs are presented...
December 2016: Data in Brief
https://www.readbyqxmd.com/read/27795714/bmp4-cooperates-with-retinoic-acid-to-induce-the-expression-of-differentiation-markers-in-cultured-mouse-spermatogonia
#5
Yongguang Yang, Yanmin Feng, Xue Feng, Shangying Liao, Xiuxia Wang, Haiyun Gan, Lixian Wang, Xiwen Lin, Chunsheng Han
Spermatogenesis is sustained by the proliferation and differentiation of spermatogonial stem cells (SSCs). However, the molecules controlling these processes remain largely unknown. Here, we developed a simplified high concentration serum-containing system for the culture of mouse SSCs. Analysis of SSCs markers and transplantation results revealed that the cultured spermatogonia retained stem cell characteristics after long-term in vitro propagation. Using this culture system, the expression and function of bone morphogenetic protein 4 (BMP4) were explored...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27787775/the-three-dimensional-culture-of-epithelial-organoids-derived-from-embryonic-chicken-intestine
#6
Malgorzata Pierzchalska, Malgorzata Panek, Malgorzata Czyrnek, Maja Grabacka
The intestinal epithelium isolated from chicken embryos in last 3 days of development can be used to establish the 3D culture of intestinal organoids. When fragments of epithelial tissue released by incubation with EGTA (2.5 mM, 2 h) are embedded in Matrigel matrix on cell culture inserts the formation of empty spheres covered by epithelial cells is observed in first 24 h of culture. The growth and survival of organoids are supported by the addition of R-spondin 1, Noggin, and prostaglandin E2 to the culture medium...
October 28, 2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27783097/breast-cancer-cells-and-bone-marrow-mesenchymal-stromal-cells-a-regulated-modulation-of-the-breast-tumor-in-the-context-of-immune-response
#7
Mehdi Najar, Hussein Fayyad-Kazan, Wissam H Faour, Bassam Badran, Fabrice Journe, Laurence Lagneaux
OBJECTIVE: The role of direct cell-cell interactions mediating selective bone metastasis by breast cancer cells (BCCs) niche is still mostly unknown. MATERIALS AND METHODS: Conditioned medium and direct cell-cell contacts experiments were used to investigate the effect of bone marrow-derived mesenchymal stromal cells (MSCs), osteoprogenitor-like cells (MG-63) and osteosarcoma cells (SaOS-2) on luminal-like (MCF-7) and basal-like (MDA-MB-231) BCCs flow cytometry was used to assess the purity of isolated BCCs and osteoblasts...
October 25, 2016: Inflammation Research: Official Journal of the European Histamine Research Society ... [et Al.]
https://www.readbyqxmd.com/read/27776430/baicalein-promotes-angiogenesis-and-odontoblastic-differentiation-via-the-bmp-and-wnt-pathways-in-human-dental-pulp-cells
#8
Sang-Im Lee, Sun-Young Kim, Kyung-Ran Park, Eun-Cheol Kim
Baicalein is an active flavonoid extracted from the root of Scutellaria baicalensis that has anticancer and anti-inflammatory properties; its effects on osteoblastic and angiogenic potential are controversial. The aim of this study was to investigate the effects of baicalein on odontoblastic differentiation and angiogenesis and the underlying mechanism in human dental pulp cells (HDPCs). Baicalein (1-10[Formula: see text][Formula: see text]M) had no cytotoxic effects and promoted alkaline phosphatase (ALP) activity, mineralization assayed by Alizarin Red-S staining, and the mRNA expression of marker genes, in a concentration-dependent manner...
October 25, 2016: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/27769098/expression-of-noggin-and-gremlin1-and-its-implications-in-fine-tuning-bmp-activities-in-mouse-cartilage-tissues
#9
Xiaodan Yu, Hiroko Kawakami, Naoyuki Tahara, Merissa Olmer, Shinichi Hayashi, Ryutaro Akiyama, Anindya Bagchi, Martin Lotz, Yasuhiko Kawakami
Increasing evidence supports the idea that bone morphogenetic proteins (BMPs) regulate cartilage maintenance in the adult skeleton. The aim of this study is to obtain insight into the regulation of BMP activities in the adult skeletal system. We analyzed expression of Noggin and Gremlin1, BMP antagonists that are known to regulate embryonic skeletal development, in the adult skeletal system by Noggin-LacZ and Gremlin1-LacZ knockin reporter mouse lines. Both reporters are expressed in the adult skeleton in a largely overlapping manner with some distinct patterns...
October 21, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27746044/a-balance-between-secreted-inhibitors-and-edge-sensing-controls-gastruloid-self-organization
#10
Fred Etoc, Jakob Metzger, Albert Ruzo, Christoph Kirst, Anna Yoney, M Zeeshan Ozair, Ali H Brivanlou, Eric D Siggia
The earliest aspects of human embryogenesis remain mysterious. To model patterning events in the human embryo, we used colonies of human embryonic stem cells (hESCs) grown on micropatterned substrate and differentiated with BMP4. These gastruloids recapitulate the embryonic arrangement of the mammalian germ layers and provide an assay to assess the structural and signaling mechanisms patterning the human gastrula. Structurally, high-density hESCs localize their receptors to transforming growth factor β at their lateral side in the center of the colony while maintaining apical localization of receptors at the edge...
November 7, 2016: Developmental Cell
https://www.readbyqxmd.com/read/27729453/chondrocyte-fgfr3-regulates-bone-mass-by-inhibiting-osteogenesis
#11
Xuan Wen, Xiaogang Li, Yubin Tang, Junzhou Tang, Siru Zhou, Yangli Xie, Jingyuan Guo, Jing Yang, Xiaolan Du, Nan Su, Lin Chen
Chondrogenesis can regulate bone formation. Fibroblast growth factor receptor 3, highly expressed in chondrocytes, is a negative regulator of bone growth. To investigate whether chondrocyte FGFR3 regulates osteogenesis, thereby contributing to postnatal bone formation and bone remodeling, mice with conditional knock-out of Fgfr3 in chondrocytes (mutant (MUT)) were generated. MUT mice displayed overgrowth of bone with lengthened growth plates. Bone mass of MUT mice was significantly increased at both 1 month and 4 months of age...
November 25, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27698430/hippocampal-bone-morphogenetic-protein-signaling-mediates-behavioral-effects-of-antidepressant-treatment
#12
S M Brooker, K T Gobeske, J Chen, C-Y Peng, J A Kessler
Many antidepressants stimulate adult hippocampal neurogenesis, but the mechanisms by which they increase neurogenesis and modulate behavior are incompletely understood. Here we show that hippocampal bone morphogenetic protein (BMP) signaling is modulated by antidepressant treatment, and that the changes in BMP signaling mediate effects of antidepressant treatment on neural progenitor cell proliferation and behavior. Treatment with the selective serotonin reuptake inhibitor fluoxetine suppressed BMP signaling in the adult mouse hippocampus both by decreasing levels of BMP4 ligand and increasing production of the BMP inhibitor noggin...
October 4, 2016: Molecular Psychiatry
https://www.readbyqxmd.com/read/27695037/comparative-transcriptome-analysis-reveals-that-a-ubiquitin-mediated-proteolysis-pathway-is-important-for-primary-and-secondary-hair-follicle-development-in-cashmere-goats
#13
Xiao-Yang Ji, Jian-Xun Wang, Bin Liu, Zhu-Qing Zheng, Shao-Yin Fu, Getinet Mekuriaw Tarekegn, Xue Bai, Yong-Sheng Bai, Heng Li, Wen-Guang Zhang
BACKGROUND: The fleece of cashmere goats contains two distinct populations of fibers, a short and fine non-medullated insulating cashmere fiber and a long and coarse medullated guard hair. The former is produced by secondary follicles (SFs) and the later by primary follicles (PFs). Evidence suggests that the induction of PFs and SFs may require different signaling pathways. The regulation of BMP2/4 signaling by noggin and Edar signaling via Downless genes are essential for the induction of SFs and PFs, respectively...
2016: PloS One
https://www.readbyqxmd.com/read/27693253/bmp4-promotes-a-phenotype-change-of-an-esophageal-squamous-epithelium-via-up-regulation-of-klf4
#14
Wu Yan, Haoxiang Zhang, Jingwen Li, Caifei Shen, Yiju Xia, Pu Wang, Yafei Zhang, Ji Feng, Shunzi Shao, Xiaona Yu, Dianchun Fang
INTRODUCTION: Barrett's esophagus is a metaplastic lesion. However, the cellular and molecular mechanisms involved are poorly understood. The aim of this study was to investigate the roles of KLF4 and BMP4 in the pathogenesis of Barrett's epithelium. MATERIALS AND METHODS: Immunohistochemistry was used to analyse the expression of KLF4, BMP4, CDX2, MUC2 and MUC5AC in human esophageal specimens. Human esophageal squamous epithelial cells were subjected to bile acid treatment and used in transfection experiments...
September 28, 2016: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/27687795/improved-calvarial-bone-repair-by-hascs-engineered-with-cre-loxp-based-baculovirus-conferring-prolonged-bmp-2-and-mir-148b-co-expression
#15
Kuei-Chang Li, Shih-Chun Lo, Li-Yu Sung, Ya-Hsin Liao, Yu-Han Chang, Yu-Chen Hu
Repairing large calvarial bone defects remains a challenging task. Previously, it was discovered that that miR-148b, when acting in concert with bone morphogenetic protein 2 (BMP-2), enhanced the osteogenesis of human adipose-derived stem cells (hASCs) and improved calvarial bone healing in nude mice. However, the molecular target of miR-148b remained elusive. Here it is revealed that miR-148b directly targets NOG, whose gene product (noggin) is an antagonist to BMPs and negatively regulates BMP-induced osteogenic differentiation and bone formation...
September 30, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27660615/redundancy-and-molecular-evolution-the-rapid-induction-of-bone-formation-by-the-mammalian-transforming-growth-factor-%C3%AE-3-isoform
#16
REVIEW
Ugo Ripamonti, Raquel Duarte, Ruqayya Parak, Caroline Dickens, Therese Dix-Peek, Roland M Klar
The soluble osteogenic molecular signals of the transforming growth factor-β (TGF-β) supergene family are the molecular bases of the induction of bone formation and postnatal bone tissue morphogenesis with translation into clinical contexts. The mammalian TGF-β3 isoform, a pleiotropic member of the family, controls a vast array of biological processes including the induction of bone formation. Recombinant hTGF-β3 induces substantial bone formation when implanted with either collagenous bone matrices or coral-derived macroporous bioreactors in the rectus abdominis muscle of the non-human primate Papio ursinus...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27638177/structural-biology-and-evolution-of-the-tgf-%C3%AE-family
#17
REVIEW
Andrew P Hinck, Thomas D Mueller, Timothy A Springer
We review the evolution and structure of members of the transforming growth factor β (TGF-β) family, antagonistic or agonistic modulators, and receptors that regulate TGF-β signaling in extracellular environments. The growth factor (GF) domain common to all family members and many of their antagonists evolved from a common cystine knot growth factor (CKGF) domain. The CKGF superfamily comprises six distinct families in primitive metazoans, including the TGF-β and Dan families. Compared with Wnt/Frizzled and Notch/Delta families that also specify body axes, cell fate, tissues, and other families that contain CKGF domains that evolved in parallel, the TGF-β family was the most fruitful in evolution...
December 1, 2016: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/27633838/chemically-defined-serum-free-conditions-for-cartilage-regeneration-from-human-embryonic-stem-cells
#18
Dandan Yang, Shubin Chen, Changzhao Gao, Xiaobo Liu, Yulai Zhou, Pengfei Liu, Jinglei Cai
AIMS: The aim of this study was to improve a method that induce cartilage differentiation of human embryoid stem cells (hESCs) in vitro, and test the effect of in vivo environments on the further maturation of hESCs derived cells. MAIN METHODS: Embryoid bodies (EBs) formed from hESCs, with serum-free KSR-based medium and mesodermal specification related factors, CHIR, and Noggin for first 8days. Then cells were digested and cultured as micropellets in serum-free KSR-based chondrogenic medium that was supplemented with PDGF-BB, TGF β3, BMP4 in sequence for 24days...
September 12, 2016: Life Sciences
https://www.readbyqxmd.com/read/27630576/morn5-expression-during-craniofacial-development-and-its-interaction-with-the-bmp-and-tgf%C3%AE-pathways
#19
Petra Cela, Marek Hampl, Katherine K Fu, Michaela Kunova Bosakova, Pavel Krejci, Joy M Richman, Marcela Buchtova
MORN5 (MORN repeat containing 5) is encoded by a locus positioned on chromosome 17 in the chicken genome. The MORN motif is found in multiple copies in several proteins including junctophilins or phosphatidylinositol phosphate kinase family and the MORN proteins themselves are found across the animal and plant kingdoms. MORN5 protein has a characteristic punctate pattern in the cytoplasm in immunofluorescence imaging. Previously, MORN5 was found among differentially expressed genes in a microarray profiling experiment of the chicken embryo head...
2016: Frontiers in Physiology
https://www.readbyqxmd.com/read/27623002/micrornas-and-ectodermal-specification-i-identification-of-mirs-and-mir-targeted-mrnas-in-early-anterior-neural-and-epidermal-ectoderm
#20
Vrutant V Shah, Benjamin Soibam, Ruth A Ritter, Ashley Benham, Jamina Oomen, Amy K Sater
The establishment of cell lineages occurs via a dynamic progression of gene regulatory networks (GRNs) that underlie developmental commitment and differentiation. To investigate how microRNAs (miRs) function in this process, we compared miRs and miR targets at the initiation of the two major ectodermal lineages in Xenopus. We used next-generation sequencing to identify over 170 miRs expressed in midgastrula ectoderm expressing either noggin or a constitutively active BMP receptor, reflecting anterior neural or epidermal ectoderm, respectively; 125 had not previously been identified in Xenopus...
September 10, 2016: Developmental Biology
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