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https://www.readbyqxmd.com/read/29037671/blue-mussel-mytilus-edulis-protein-hydrolysate-promotes-mouse-mesenchymal-stem-cell-differentiation-into-osteoblasts-through-up-regulation-of-bone-morphogenetic-protein
#1
Jun-Ho Hyung, Chang-Bum Ahn, Jae-Young Je
Seafood provides a range of health benefits due to its high-protein level. In this study, the osteogenic effect of blue mussel (Mytilus edulis) protein hydrolysates (BMPH) on osteoblast differentiation were examined using mouse mesenchymal stem cells (MSCs). A preparation we called BMPH<1kDa which showed the highest osteogenic effect in MSCs, was prepared by peptic hydrolysis. BMPH<1kDa treatment stimulated osteoblast differentiation with alkaline phosphatase (ALP) induction, osteocalcin and type I collagen activity as well as calcium deposition...
March 1, 2018: Food Chemistry
https://www.readbyqxmd.com/read/28981962/the-bmp-antagonist-noggin-is-produced-by-osteoblasts-in-response-to-the-presence-of-prostate-cancer-cells
#2
Huda F AlShaibi, Farid Ahmed, Clive Buckle, Ann Cm Fowles, Jalaluddin Awlia, Marco G Cecchini, Colby L Eaton
BACKGROUND: Bone metastasis is a key event responsible for morbidity in prostate cancer patients. Interactions between prostate cancer cells and the bone microenvironment facilitate survival of tumour cells and alter bone turnover, a process that is thought to enhance the growth of metastases in this site. This study aimed to test the hypothesis that the presence of tumours cells increases TGFβ signaling in bone and that this regulates the proliferation and differentiation of osteoblastic lineage cells in metastatic sites...
October 5, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28927342/expert-opinion-biomimetic-functionalized-surfaces-and-the-induction-of-bone-formation
#3
Ugo Ripamonti
Tissue engineering still needs to assign the molecular basis of pattern formation, tissue induction and morphogenesis: What next to morphogens and stem cells? Macroporous biomimetic matrices per se, without the addition of the soluble osteogenic molecular signals of the transforming growth factor-β (TGF-β) supergene family, initiate the induction of bone formation. Carving geometries within different calcium phosphate-based macroporous bioreactors we show that geometric cues imprinted within the macroporous spaces initiate the spontaneous induction of bone...
September 19, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28903487/from-the-cover-arsenic-induces-hippocampal-neuronal-apoptosis-and-cognitive-impairments-via-an-up-regulated-bmp2-smad-dependent-reduced-bdnf-trkb-signaling-in-rats
#4
Rukmani Pandey, Vipin Rai, Juhi Mishra, Kapil Mandrah, Somendu Kumar Roy, Sanghamitra Bandyopadhyay
Arsenic promotes hippocampal neuronal damage inducing cognitive impairments. However, mechanism arbitrating arsenic-mediated cognitive deficits remains less-known. Here, we identified that chronic exposure to environmentally relevant doses of arsenic increased apoptosis, characterized by caspase-3 activation, poly(ADP-ribose) polymerase cleavage and Terminal deoxynucleotidyl transferase dUTP nick-end labeling of rat hippocampal neurons, marked by NeuN. Investigating apoptotic mechanism through invivo and invitro studies revealed that arsenic promoted bone morphogenetic protein-2 (BMP2) expression, supported by increased BMP-receptor2 (BMPR2) and p-Smad1/5 in hippocampal neurons...
September 1, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28855280/in-vitro-and-in-vivo-imaging-and-tracking-of-intestinal-organoids-from-human-induced-pluripotent-stem-cells
#5
Kwang Bo Jung, Hana Lee, Ye Seul Son, Ji Hye Lee, Hyun-Soo Cho, Mi-Ok Lee, Jung-Hwa Oh, Jaemin Lee, Seokho Kim, Cho-Rok Jung, Janghwan Kim, Mi-Young Son
Human intestinal organoids (hIOs) derived from human pluripotent stem cells (hPSCs) have immense potential as a source of intestines. Therefore, an efficient system is needed for visualizing the stage of intestinal differentiation and further identifying hIOs derived from hPSCs. Here, 2 fluorescent biosensors were developed based on human-induced pluripotent stem cell (hiPSC) lines that stably expressed fluorescent reporters driven by intestine-specific gene promoters (KLF5(mCherry) and ISX(eGFP)). Then hIOs were efficiently induced from those transgenic hiPSC lines in which monomeric Cherry- or enhanced green fluorescent protein-expressing cells, which appeared during differentiation, could be identified in intact living cells in real time...
August 29, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28846711/identification-of-novel-biomarkers-to-monitor-%C3%AE-cell-function-and-enable-early-detection-of-type-2-diabetes-risk
#6
Kirstine J Belongie, Ele Ferrannini, Kjell Johnson, Patricia Andrade-Gordon, Michael K Hansen, John R Petrie
A decline in β-cell function is a prerequisite for the development of type 2 diabetes, yet the level of β-cell function in individuals at risk of the condition is rarely measured. This is due, in part, to the fact that current methods for assessing β-cell function are inaccurate, prone to error, labor-intensive, or affected by glucose-lowering therapy. The aim of the current study was to identify novel circulating biomarkers to monitor β-cell function and to identify individuals at high risk of developing β-cell dysfunction...
2017: PloS One
https://www.readbyqxmd.com/read/28842965/erratum-to-noggin-mediated-retinal-induction-reveals-a-novel-interplay-between-bone-morphogenetic-protein-inhibition-transforming-growth-factor-%C3%AE-and-sonic-hedgehog-signaling
#7
https://www.readbyqxmd.com/read/28751854/neurogenic-processes-are-induced-by-very-short-periods-of-voluntary-wheel-running-in-male-mice
#8
Teresa Gremmelspacher, Johannes Gerlach, Alix Hubbe, Carola A Haas, Ute Häussler
Even in the adult mammalian brain progenitor cells proliferate and give rise to young neurons which integrate into the neuronal network. The dentate gyrus possesses such a neurogenic niche reactive to external stimuli like physical activity. In most studies mice or rats have been exposed to wheel running for periods of several weeks to activate neurogenesis while early neurogenic processes induced by very short running periods are less well understood. To address this issue, we allowed male C57Bl/6 mice free access to a running wheel for 2 or 7 days...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28747214/culturing-and-transcriptome-profiling-of-progenitor-like-colonies-derived-from-adult-mouse-pancreas
#9
Dongshen Ma, Shanshan Tang, Jing Song, Qiong Wu, Fangfang Zhang, Yun Xing, Yi Pan, Yanfeng Zhang, Jingwei Jiang, Yubin Zhang, Liang Jin
BACKGROUND: Transplantation of insulin-producing cells is considered an important diabetes therapy. Many research studies have shown that insulin-producing cells can be derived from the in-vitro cultured pancreatic colonies with self-renewal ability and multilineage potential. Even though these progenitor-like colonies have been prepared from adult pancreas cells, the efficient culture method is hardly established and regulation of the colonies is rarely known. We confirmed previously that single cells acquired from adult mouse pancreas could form cyst-like colonies in a 3D semi-solid system containing Matrigel and methylcellulose...
July 26, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28705896/bmp-signaling-maintains-a-mesoderm-progenitor-cell-state-in-the-mouse-tailbud
#10
Richa Sharma, Maxwell E R Shafer, Eric Bareke, Mathieu Tremblay, Jacek Majewski, Maxime Bouchard
Caudal somites are generated from a pool of progenitor cells located in the tailbud region. These progenitor cells form the presomitic mesoderm that gradually differentiates into somites under the action of the segmentation clock. The signals responsible for tailbud mesoderm progenitor pool maintenance during axial elongation are still elusive. Here, we show that Bmp signaling is sufficient to activate the entire mesoderm progenitor gene signature in primary cultures of caudal mesoderm cells. Bmp signaling acts through the key regulatory genes brachyury (T) and Nkx1-2 and contributes to the activation of several other regulators of the mesoderm progenitor gene network...
August 15, 2017: Development
https://www.readbyqxmd.com/read/28694257/bmp-signaling-regulates-satellite-cell-dependent-postnatal-muscle-growth
#11
Amalia Stantzou, Elija Schirwis, Sandra Swist, Sonia Alonso-Martin, Ioanna Polydorou, Faouzi Zarrouki, Etienne Mouisel, Cyriaque Beley, Anaïs Julien, Fabien Le Grand, Luis Garcia, Céline Colnot, Carmen Birchmeier, Thomas Braun, Markus Schuelke, Frédéric Relaix, Helge Amthor
Postnatal growth of skeletal muscle largely depends on the expansion and differentiation of resident stem cells, the so-called satellite cells. Here, we demonstrate that postnatal satellite cells express components of the bone morphogenetic protein (BMP) signaling machinery. Overexpression of noggin in postnatal mice (to antagonize BMP ligands), satellite cell-specific knockout of Alk3 (the gene encoding the BMP transmembrane receptor) or overexpression of inhibitory SMAD6 decreased satellite cell proliferation and accretion during myofiber growth, and ultimately retarded muscle growth...
August 1, 2017: Development
https://www.readbyqxmd.com/read/28669928/gata4-and-lmo3-balance-angiocrine-signaling-and-autocrine-inflammatory-activation-by-bmp2-in-liver-sinusoidal-endothelial-cells
#12
Victor Olsavszky, Friederike Ulbrich, Sandhya Singh, Miriam Diett, Carsten Sticht, Christian David Schmid, Johanna Zierow, Sebastian A Wohlfeil, Kai Schledzewski, Steven Dooley, Haristi Gaitantzi, Katja Breitkopf-Heinlein, Cyrill Géraud, Sergij Goerdt, Philipp-Sebastian Koch
Liver sinusoidal endothelial cells (LSEC) represent a unique, organ-specific type of discontinuous endothelial cells. LSEC instruct the hepatic vascular niche by paracrine-acting angiocrine factors. Recently, we have shown that LSEC-specific transcriptional regulator GATA4 induces expression of BMP2 in cultured endothelial cells (EC) in vitro. Furthermore, angiocrine Bmp2 signaling in the liver in vivo was demonstrated to control iron homeostasis. Here, we investigated GATA4-dependent autocrine BMP2 signaling in endothelial cells by gene expression profiling...
September 5, 2017: Gene
https://www.readbyqxmd.com/read/28642339/establishment-of-a-novel-three-dimensional-primary-culture-model-for-hippocampal-neurogenesis
#13
Tatsuya Usui, Masashi Sakurai, Hideyoshi Kawasaki, Takashi Ohama, Hideyuki Yamawaki, Koichi Sato
New neurons are generated in the adult hippocampus throughout life and contribute to the functions of learning and memory. Nevertheless, the mechanisms by which disrupted neurogenesis regulates central nervous system (CNS) disorders are not fully understood. Here, we established a novel 3D culture system of hippocampal neurogenesis using air liquid interface (ALI) culture and Matrigel culture from mouse hippocampus tissues. After isolated mouse hippocampus tissue fragments were seeded into ALI wells and cultured in stemness-stimulated media containing Wnt, EGF, Noggin and R-spondin for 7 days, small spheres gradually appeared in the tissues...
June 2017: Physiological Reports
https://www.readbyqxmd.com/read/28632668/low-intensity-pulsed-ultrasound-lipus-promotes-bmp9-induced-osteogenesis-and-suppresses-inflammatory-responses-in-human-periodontal-ligament-derived-stem-cells
#14
Joji Kusuyama, Toshiaki Nakamura, Tomokazu Ohnishi, Nahoko Eiraku, Kazuyuki Noguchi, Tetsuya Matsuguchi
OBJECTIVE: We previously reported that low intensity pulsed ultrasound (LIPUS) promotes marrow stromal cell (MSC) osteogenesis and suppresses the LPS-induced inflammatory response in osteoblasts. Here, we examined the effects of LIPUS on human periodontal ligament-derived stem cells (hPDLSCs) in chronic inflammatory bone disease, such as periodontitis. MATERIALS AND METHODS: hPDLSCs were collected from 3 healthy third molars. hPDLSCs were induced to differentiate by either recombinant BMP2 or BMP9 with or without daily LIPUS treatment (20 min/d)...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28608614/solanum-muricatum-promotes-osteogenic-differentiation-of-rat-bone-marrow-stromal-cells
#15
Nan Wang, Feng Wang, Youshui Gao, Zubin Zhou, Wei Liu, Chenhao Pan, Peipei Yin, Mingjie Tang, Xiaowei Yu
Solanum muricatum (SM), also known as pepino, is known for its antioxidative and anti-inflammatory effects. The aim of this study was to evaluate the effects of SM extract in promoting osteogenic differentiation and regulating the Wnt and bone morphogenetic protein (BMP) signaling pathways. Ingredients of pepino were extracted and identified. SM extracts were used to treat rat bone marrow stromal cells (BMSCs), followed by evaluating alkaline phosphatase activities and mineralization levels. The mRNA levels of osteogenic biomarkers, including OPN and Collagen I, were also evaluated with real-time polymerase chain reaction...
July 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28584091/dissecting-bmp-signaling-input-into-the-gene-regulatory-networks-driving-specification-of-the-blood-stem-cell-lineage
#16
Arif Kirmizitas, Stuart Meiklejohn, Aldo Ciau-Uitz, Rachel Stephenson, Roger Patient
Hematopoietic stem cells (HSCs) that sustain lifelong blood production are created during embryogenesis. They emerge from a specialized endothelial population, termed hemogenic endothelium (HE), located in the ventral wall of the dorsal aorta (DA). In Xenopus, we have been studying the gene regulatory networks (GRNs) required for the formation of HSCs, and critically found that the hemogenic potential is defined at an earlier time point when precursors to the DA express hematopoietic as well as endothelial genes, in the definitive hemangioblasts (DHs)...
June 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28578107/simultaneous-delivery-of-hydrophobic-small-molecules-and-sirna-using-sterosomes-to-direct-mesenchymal-stem-cell-differentiation-for-bone-repair
#17
Zhong-Kai Cui, Justin A Sun, Jessalyn J Baljon, Jiabing Fan, Soyon Kim, Benjamin M Wu, Tara Aghaloo, Min Lee
The use of small molecular drugs with gene manipulation offers synergistic therapeutic efficacy by targeting multiple signaling pathways for combined treatment. Stimulation of mesenchymal stem cells (MSCs) with osteoinductive small molecule phenamil combined with suppression of noggin is a promising therapeutic strategy that increases bone morphogenetic protein (BMP) signaling and bone repair. Our cationic Sterosome formulated with stearylamine (SA) and cholesterol (Chol) is an attractive co-delivery system that not only forms stable complexes with small interfering RNA (siRNA) molecules but also solubilizes hydrophobic small molecules in a single vehicle, for directing stem cell differentiation...
August 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28549605/wnt3a-and-the-induction-of-the-osteogenic-differentiation-in-adipose-tissue-derived-mesenchymal-stem-cells
#18
C Morsczeck, A Reck, T E Reichert
Adipose tissue derived stem cells (ASCs) can easily be isolated, but the osteogenic differentiation potential is limited. To improve this differentiation potential, more investigations are required about signaling proteins for the induction of the osteogenic differentiation. This study focused on the WNT3A protein, because little is known about the canonical WNT signaling pathway and the osteogenic differentiation of ASCs. The alkaline phosphatase (ALP) activity was measured for the evaluation of the osteogenic differentiation...
May 12, 2017: Tissue & Cell
https://www.readbyqxmd.com/read/28541393/adrenomedullin-promotes-the-odontogenic-differentiation-of-dental-pulp-stem-cells-through-creb-bmp2-signaling-pathway
#19
Qiang Zhu, Jianyong Gao, Gang Tian, Zhen Tang, Yinghui Tan
Adrenomedullin (AM) could promote the proliferation, the odontogenic differentiation and inhibit the apoptosis of dental pulp stem cells (DPSCs). AM in combination with DPSCs may be an effective strategy for pulp repair. However, there was no report on the mechanisms of AM in the odontogenic differentiation of DPSCs. The aim of this study is to investigate the molecular mechanisms through which AM promotes the odontogenic differentiation of DPSCs. Freshly extracted wisdom teeth were obtained from 27 patients...
July 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28529456/ethyl-acetate-fraction-of-huogu-formula-inhibits-adipogenic-differentiation-of-bone-marrow-stromal-cells-via-the-bmp-and-wnt-signaling-pathways
#20
Xiangying Kong, Xiaomin Li, Cun Zhang, Liuluan Zhu, Chunfang Liu, Qingxia Qin, Cuiling Liu, Qianqian Wang, Jia Zhu, Xuan Wu, Hongye Wan, Weiheng Chen, Na Lin
Elevated adipogenesis of bone marrow stromal cells (BMSCs) is closely associated with non-traumatic osteonecrosis of femoral head (ONFH). Our previous studies have shown that Huogu (HG) formula was effective both in clinic experience and experimental ONFH. How HG impacts the differentiation of BMSCs and what is the underlying molecular mechanism remain largely unknown. Our results showed that ethyl acetate extract of HG (HGE) significantly decreased the adipocyte differentiation as determined by oil red staining, while slightly increased the ALP activity...
2017: International Journal of Biological Sciences
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