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https://www.readbyqxmd.com/read/28067796/combined-effects-of-androgen-and-growth-hormone-on-osteoblast-marker-expression-in-mouse-c2c12-and-mc3t3-e1-cells-induced-by-bone-morphogenetic-protein
#1
Kosuke Kimura, Tomohiro Terasaka, Nahoko Iwata, Takayuki Katsuyama, Motoshi Komatsubara, Ryota Nagao, Kenichi Inagaki, Fumio Otsuka
Osteoblasts undergo differentiation in response to various factors, including growth factors and steroids. Bone mass is diminished in androgen- and/or growth hormone (GH)-deficient patients. However the functional relationship between androgen and GH, and their combined effects on bone metabolism, remains unclear. Here we investigated the mutual effects of androgen and GH on osteoblastic marker expression using mouse myoblastic C2C12 and osteoblast-like MC3T3-E1 cells. Combined treatment with dihydrotestosterone (DHT) and GH enhanced BMP-2-induced expression of Runx2, ALP, and osteocalcin mRNA, compared with the individual treatments in C2C12 cells...
January 5, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28063228/trim33-is-essential-for-osteoblast-proliferation-and-differentiation-via-bmp-pathway
#2
Jia Guo, Wei Qin, Quan Xing, Manman Gao, Fuxin Wei, Zhi Song, Lingling Chen, Ying Lin, Xianling Gao, Zhengmei Lin
Tripartite motif containing 33 (TRIM33) functions both as a positive and negative regulator of the TGF-β/BMP pathway in tumors; however, its effect and mechanism during osteoblast proliferation and differentiation, which involves the TGF-β/BMP pathway is not defined. In this study, we used mouse C3H10T1/2 mesenchymal stem cell line and MC3T3-E1 preosteoblasts to investigate the role of TRIM33 during this process. The results demonstrated that the expression of TRIM33 increased during the differentiation. Moreover, the overexpression or knockdown of TRIM33 resulted in both an augmentation or decrease in osteoblast differentiation, which were measured by the expression of alkaline phosphatase (ALP) at the mRNA level, both Runt-related transcription factor 2 (Runx2) and osteocalcin (OCN) at the protein level, and the formation of mineral modules...
January 7, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28035402/transforming-growth-factor-%C3%AE-1-suppresses-bone-morphogenetic-protein-2-induced-mesenchymal-epithelial-transition-in-hsc-4-human-oral-squamous-cell-carcinoma-cells-via-smad1-5-9-pathway-suppression
#3
Takahiro Chiba, Akira Ishisaki, Seiko Kyakumoto, Toshiyuki Shibata, Hiroyuki Yamada, Masaharu Kamo
Squamous cell carcinoma is the most common cancer in the oral cavity. We previously demonstrated that transforming growth factor-β1 (TGF-β1) promotes the epithelial-mesenchymal transition (EMT) of human oral squamous cell carcinoma (hOSCC) cells; however, it remains to be clarified whether the TGF-β superfamily member bone morphogenetic protein (BMP) affects this process in hOSCC cells. Here, we examined the independent and collective effects of TGF-β1 and BMP-2 on EMT and mesenchymal‑epithelial transition (MET) in a panel of four hOSCC cell lines...
December 28, 2016: Oncology Reports
https://www.readbyqxmd.com/read/28009989/overexpression-of-colorectal-cancer-oncogene-chrdl2-predicts-a-poor-prognosis
#4
Jian Sun, Xuan Liu, Hong Gao, Long Zhang, Qing Ji, Ziyuan Wang, Lihong Zhou, Yan Wang, Hua Sui, Zhongze Fan, Qi Li
Bone morphogenetic proteins (BMPs) both promote and suppress tumorigenesis, and multiple BMP antagonists reportedly contribute to cancer progression. In this study, we demonstrated that the BMP antagonist Chordin-like 2 (CHRDL2) is upregulated in colorectal cancer (CRC) tissues, and that CHRDL2 levels correlate with clinical features of CRC patients, including tumor size, TNM staging, and tumor differentiation. In addition, survival rate and Cox proportional hazards model analyses showed that high CHRDL2 levels correlate with a poor prognosis in CRC...
December 20, 2016: Oncotarget
https://www.readbyqxmd.com/read/27996168/follicle-stimulating-hormone-%C3%AE-subunit-potentiates-bone-morphogenetic-protein-9-induced-osteogenic-differentiation-in-mouse-embryonic-fibroblasts
#5
Xiao-Ya Su, Xiang Zou, Qian-Zhao Chen, Yu-Hua Zeng, Ying Shao, Bai-Cheng He, Hong Liu
Postmenopausal osteoporosis (PMOP)-related fractures usually result in morbidity and mortality in aging women, so it is remains a global public health concern, and new effective safe treatments are urgently needed recently. Efficient osteogenesis from mesenchymal stem cells (MSCs) would have the clinical application potential in treating multiple osteal disorders. Follicle-stimulating hormone (FSH), a pituitary glycoprotein hormone highly associated with menopausal bone turnover, whose peculiar part of receptor binding is follicle-stimulating hormone β-subunit (FSHβ)...
December 20, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27986931/bone-morphogenetic-protein-2-regulates-cell-cell-communication-by-down-regulating-connexin43-expression-in-luteinized-human-granulosa-cells
#6
Yan-Ting Wu, Hsun-Ming Chang, He-Feng Huang, Jian-Zhong Sheng, Peter C K Leung
STUDY QUESTION: Does bone morphogenetic protein 2 (BMP2) regulate connexin43 (Cx43) and modulate cell-cell communication in luteinized human granulosa cells? SUMMARY ANSWER: BMP2 decreases gap junction intercellular communication (GJIC) of luteinized human granulosa cells by down-regulating Cx43 expression through an activin receptor-like kinase (ALK)2/ALK3-mediated Sma- and Mad-related protein (SMAD)-dependent signaling pathway. WHAT IS KNOWN ALREADY: BMP2 and its putative receptors are highly expressed in the human corpus luteum and are involved in the process of luteolysis...
December 16, 2016: Molecular Human Reproduction
https://www.readbyqxmd.com/read/27965203/myostatin-propeptide-mutation-of-the-hypermuscular-compact-mice-decreases-the-formation-of-myostatin-and-improves-insulin-sensitivity
#7
Tamas Kocsis, Gyorgy Trencsenyi, Kitti Szabo, Julia Aliz Baan, Geza Muller, Luca Mendler, Ildiko Garai, Hans Reinauer, Ferenc Deak, Laszlo Dux, Aniko Keller-Pinter
The TGF-β family member myostatin (growth/differentiation factor-8, GDF-8) is a negative regulator of skeletal muscle growth. The hypermuscular Compact mice carry the 12-bp Mstn(Cmpt-dl1Abc) deletion in the sequence encoding the propeptide region of the precursor promyostatin and additional modifier genes of the Compact genetic background contribute to determine the full expression of the phenotype. In this study, by using mice strains carrying mutant or wild-type myostatin alleles with Compact genetic background, and non-mutant myostatin with wild-type background we studied separately the effect of the Mstn(Cmpt-dl1Abc) mutation or the Compact genetic background on morphology, metabolism and signaling...
December 13, 2016: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27959431/bmp-signaling-pathways-affect-differently-migration-and-invasion-of-esophageal-squamous-cancer-cells
#8
Min Hu, Facai Cui, Fengzhen Liu, Jinlin Wang, Xiaoxia Wei, Yi Li
Bone morphogenetic proteins (BMPs) are broadly involved in normal embryo development and abnormal pathological process such as cancer. The complexity and diversity of BMPs and their signaling pathways impose quite different or even conflicting effects on clinical traits of tumors. The aim of the present study was to investigate whether different BMPs, including BMP2, BMP4, BMP6 and BMP7, influence esophageal squamous cancer cell (ESCC) growth, invasion and metastasis. BMP6 and type I receptor ALK2 and type II receptor BMPRII, ActRIIA and ActRIIB were expressed in all ESCC cell lines...
January 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/27956711/correction-gdf11-bmp11-activates-both-smad1-5-8-and-smad2-3-signals-but-shows-no-significant-effect-on-proliferation-and-migration-of-human-umbilical-vein-endothelial-cells
#9
Yong-Hui Zhang, Feng Cheng, Xue-Ting Du, Jin-Lai Gao, Xiao-Lin Xiao, Na Li, Shan-Liang Li, De-Li Dong
No abstract text is available yet for this article.
July 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27922109/regulation-of-hepcidin-expression-by-inflammation-induced-activin-b
#10
Yohei Kanamori, Makoto Sugiyama, Osamu Hashimoto, Masaru Murakami, Tohru Matsui, Masayuki Funaba
Activin B is induced in response to inflammation in the liver and enhances hepcidin expression, but the source of activin B and the molecular mechanism underlying hepcidin induction are not clear yet. Lipopolysaccharide (LPS)-induced inflammation induced inhibin βB but not inhibin α or inhibin βA expression in the liver, implicating activin B induction. Immunoreactive inhibin βB was detected in endothelial cells and Kupffer cells in LPS-treated liver. Activin B, but not activin A or activin AB, directly increased hepcidin expression...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27918235/comprehensive-mapping-of-5-hydroxymethylcytosine-epigenetic-dynamics-in-axon-regeneration
#11
Yong-Hwee Eddie Loh, Andrew Koemeter-Cox, Mattéa Finelli, Li Shen, Roland H Friedel, Hongyan Zou
In contrast to central nervous system neurons, dorsal root ganglia (DRG) neurons can switch to a regenerative state after peripheral axotomy. In a screen for chromatin regulators of the regenerative responses in this conditioning lesion paradigm, we identified Tet methylcytosine dioxygenase 3 (Tet3) as upregulated in DRG neurons, along with increased 5-hydroxymethylcytosine (5 hmC). We generated genome-wide 5 hmC maps in adult DRG, which revealed that peripheral and central axotomy (leading to no regenerative effect) triggered differential 5 hmC changes that are associated with distinct signaling pathways...
December 5, 2016: Epigenetics: Official Journal of the DNA Methylation Society
https://www.readbyqxmd.com/read/27903526/hepcidin-upregulation-by-inflammation-is-independent-of-smad1-5-8-signaling-by-activin-b
#12
Céline Besson-Fournier, Aurélie Gineste, Chloé Latour, Ophélie Gourbeyre, Delphine Meynard, Patricia Martin, Eric Oswald, Hélène Coppin, Marie-Paule Roth
No abstract text is available yet for this article.
November 30, 2016: Blood
https://www.readbyqxmd.com/read/27883221/alcohol-exposure-causes-overexpression-of-heart-development-related-genes-by-affecting-the-histone-h3-acetylation-via-bmp-signaling-pathway-in-cardiomyoblast-cells
#13
Jin Shi, Weian Zhao, Bo Pan, Min Zheng, Lina Si, Jing Zhu, Lingjuan Liu, Jie Tian
BACKGROUND: Abusive alcohol utilization of pregnant woman may cause congenital heart disease (CHD) of fetus, where alcohol ignites histone H3 hyperacetylation leading to abnormal development of heart morphogenesis and associated genes. Knowledge about the regularized upstream genes is little, but bone morphogenetic protein (BMP) signaling may actively and prominently take part in alteration in acetylation of histone H3. The supreme objective of this study was to unearth the involvement of BMP signaling pathway in alcohol-driven hyperacetylation of histone H3 in cardiomyoblast cells...
January 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/27875556/mxa-is-a-novel-regulator-of-endosome-associated-transcriptional-signaling-by-bone-morphogenetic-proteins-4-and-9-bmp4-and-bmp9
#14
Huijuan Yuan, Pravin B Sehgal
There is confusion about the role that IFN-α plays in the pathogenesis of pulmonary arterial hypertension (PAH) with different investigators reporting a causative or a protective role. There is now clear evidence in PAH pathogenesis for the involvement of BMP4 and BMP9 signaling, and its disruption by mutations in BMPR2. In the present study, we investigated MxA, an IFN-α-inducible cytoplasmic dynamin-family GTPase for effects on BMP4/9 signaling, including in the presence of PAH-disease-associated mutants of BMPR2...
2016: PloS One
https://www.readbyqxmd.com/read/27866969/overexpression-of-cd109-in-the-epidermis-differentially-regulates-alk1-versus-alk5-signaling-and-modulates-extracellular-matrix-synthesis-in-the-skin
#15
Joshua Vorstenbosch, Christopher M Nguyen, Shufeng Zhou, You Jung Seo, Aya Siblini, Kenneth W Finnson, Albane A Bizet, Simon D Tran, Anie Philip
Transforming growth factor-beta (TGF-β) is a multifunctional growth factor involved in many physiological processes including wound healing and inflammation. Excessive TGF-β signaling in the skin has been implicated in fibrotic skin disorders such as keloids and scleroderma. We have previously identified CD109 as a TGF- β co-receptor and inhibitor of TGF-ß signaling, and have shown that transgenic mice overexpressing CD109 in the epidermis display decreased scarring. In certain cell types, in addition to the canonical type I receptor, ALK5 which activates Smad2/3, TGF-β can signal through another type I receptor ALK1 which activates Smad1/5...
November 17, 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/27864336/bmp4-promotes-mouse-ips-cell-differentiation-to-male-germ-cells-via-smad1-5-gata4-id1-and-id2
#16
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 iPS cells to male germ cells...
February 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
https://www.readbyqxmd.com/read/27856416/regulation-and-function-of-bone-morphogenetic-protein-signaling-in-colonic-injury-and-inflammation
#17
Tuo Ji, Hidehiko Takabayashi, Maria Mao, Xu Han, Xiang Xue, Jennifer C Brazil, Kathryn A Eaton, Yatrik M Shah, Andrea Todisco
: The bone morphogenetic proteins (BMPs) regulate gastrointestinal homeostasis. We investigated the expression of BMP-4 and the localization and function of BMP signaling during colonic injury and inflammation. Mice expressing the β-galactosidase (β-gal) gene under the control of a BMP-responsive element (BRE), BMP-4-β-gal/ mice, and animals generated by crossing villin-Cre mice to mice with floxed alleles of BMP receptor 1A (villin-Cre;Bmpr1a(flox/flox)) were treated with dextran sodium sulfate (DSS) to induce colonic injury and inflammation...
January 1, 2017: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/27848974/differential-expression-of-tgf-%C3%AE-superfamily-members-and-role-of-smad1-5-9-signalling-in-chondral-versus-endochondral-chondrocyte-differentiation
#18
Verena Dexheimer, Jessica Gabler, Katharina Bomans, Tanja Sims, Georg Omlor, Wiltrud Richter
Proteins of the transforming-growth-factor-β (TGF-β)-superfamily have a remarkable ability to induce cartilage and bone and the crosstalk of TGF-β - and BMP-signalling pathways appears crucial during chondrocyte development. Aim was to assess the regulation of TGF-β-superfamily members and of Smad2/3- and Smad1/5/9-signalling during endochondral in vitro chondrogenesis of mesenchymal stromal cells (MSC) relative to chondral redifferentiation of articular chondrocytes (AC) to adjust chondrocyte development of MSC towards a less hypertrophic phenotype...
November 16, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27834400/notch-regulates-bmp-responsiveness-and-lateral-branching-in-vessel-networks-via-smad6
#19
Kevin P Mouillesseaux, David S Wiley, Lauren M Saunders, Lyndsay A Wylie, Erich J Kushner, Diana C Chong, Kathryn M Citrin, Andrew T Barber, Youngsook Park, Jun-Dae Kim, Leigh Ann Samsa, Jongmin Kim, Jiandong Liu, Suk-Won Jin, Victoria L Bautch
Functional blood vessel growth depends on generation of distinct but coordinated responses from endothelial cells. Bone morphogenetic proteins (BMP), part of the TGFβ superfamily, bind receptors to induce phosphorylation and nuclear translocation of SMAD transcription factors (R-SMAD1/5/8) and regulate vessel growth. However, SMAD1/5/8 signalling results in both pro- and anti-angiogenic outputs, highlighting a poor understanding of the complexities of BMP signalling in the vasculature. Here we show that BMP6 and BMP2 ligands are pro-angiogenic in vitro and in vivo, and that lateral vessel branching requires threshold levels of R-SMAD phosphorylation...
November 11, 2016: Nature Communications
https://www.readbyqxmd.com/read/27815243/bmp4-acts-as-a-dorsal-telencephalic-morphogen-in-a-mouse-embryonic-stem-cell-culture-system
#20
Momoko Watanabe, Ernest S Fung, Felicia B Chan, Jessica S Wong, Margaret Coutts, Edwin S Monuki
The concept of a morphogen - a molecule that specifies two or more cell fates in a concentration-dependent manner - is paradigmatic in developmental biology. Much remains unknown, however, about the existence of morphogens in the developing vertebrate central nervous system (CNS), including the mouse dorsal telencephalic midline (DTM). Bone morphogenetic proteins (BMPs) are candidate DTM morphogens, and our previous work demonstrated BMP4 sufficiency to induce one DTM cell fate - that of choroid plexus epithelial cells (CPECs) - in a mouse embryonic stem cell (mESC) culture system...
December 15, 2016: Biology Open
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