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https://www.readbyqxmd.com/read/28527846/characterization-of-dental-pulp-myofibroblasts-in-rat-molars-after-pulpotomy
#1
Naoki Edanami, Nagako Yoshiba, Naoto Ohkura, Ryosuke Takeuchi, Aiko Tohma, Yuichiro Noiri, Kunihiko Yoshiba
INTRODUCTION: Myofibroblasts express alpha smooth muscle actin (α-SMA) and play a critical role in wound healing. Myofibroblast differentiation is controlled by the joint actions of transforming growth factor beta 1 (TGF-β1) and the extradomain A fibronectin splice variant (EDA-FN). Currently, the contribution of myofibroblasts to dental pulp healing is unknown. Therefore, we analyzed expressional characteristics of α-SMA-positive cells and investigated TGF-β1, EDA-FN, and α-SMA expression levels after pulpotomy to better understand dental pulp healing...
May 17, 2017: Journal of Endodontics
https://www.readbyqxmd.com/read/28525372/overexpression-of-a-novel-candidate-oncogene-kif14-correlates-with-tumor-progression-and-poor-prognosis-in-prostate-cancer
#2
Yixiang Zhang, Yeqing Yuan, Pei Liang, Zhaoxia Zhang, Xiaojing Guo, Ligang Xia, Yingying Zhao, Xing-Sheng Shu, Shengkun Sun, Ying Ying, Yingduan Cheng
Prostate cancer (PCa) is the second leading cause of death from cancer in men. The mechanism underlying tumorigenesis and development of PCa is largely unknown. Here, we identified Kinesin family member 14 (KIF14) as a novel candidate oncogene in PCa. We found that KIF14 was overexpressed in multiple PCa cell lines and primary PCa tissues. Knockdown of KIF14 in DU145 and PC3 prostate cancer cells suppressed cell proliferation, induced cell cycle arrest and apoptosis. Transcriptome analysis by RNA-sequencing demonstrated that KIF4 suppression led to transcriptional changes of genes involved in p53 and TGF-beta signaling pathway...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28523126/transforming-growth-factor-%C3%AE-a-master-regulator-of-the-gut-microbiota-and-immune-cell-interactions
#3
REVIEW
David Bauché, Julien C Marie
The relationship between host organisms and their microbiota has co-evolved towards an inter-dependent network of mutualistic interactions. This interplay is particularly well studied in the gastrointestinal tract, where microbiota and host immune cells can modulate each other directly, as well as indirectly, through the production and release of chemical molecules and signals. In this review, we define the functional impact of transforming growth factor-beta (TGF-β) on this complex interplay, especially through its modulation of the activity of local regulatory T cells (Tregs), type 17 helper (Th17) cells, innate lymphoid cells (ILCs) and B cells...
April 2017: Clinical & Translational Immunology
https://www.readbyqxmd.com/read/28518142/mir-130a-3p-attenuates-activation-and-induces-apoptosis-of-hepatic-stellate-cells-in-nonalcoholic-fibrosing-steatohepatitis-by-directly-targeting-tgfbr1-and-tgfbr2
#4
Yang Wang, Jinghua Du, Xuemin Niu, Na Fu, Rongqi Wang, Yuguo Zhang, Suxian Zhao, Dianxing Sun, Yuemin Nan
Nonalcoholic fibrosing steatohepatitis is a uniform process that occurs throughout nonalcoholic fatty liver disease (NAFLD). MicroRNAs (miRNAs) have been shown to be involved in the biological processes, but the role and molecular mechanism of miRNAs in NAFLD are not entirely clear. In this study, we observed a significant reduction in the expression of miR-130a-3p in livers of a mouse model with fibrosis induced by a methionine-choline-deficient diet, of NAFLD patients, and in activated hepatic stellate cells (HSCs)...
May 18, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28513838/the-emerging-role-of-npnt-in-tissue-injury-repair-and-bone-homeostasis
#5
REVIEW
Youqiang Sun, Vincent Kuek, Heng Qiu, Jennifer Tickner, Leilei Chen, Haibin Wang, Wei He, Jiake Xu
Nephronectin (NPNT), a highly conserved extracellular matrix protein, plays an important role in regulating cell adhesion, differentiation, spreading and survival. NPNT protein belongs to epidermal growth factor (EGF)-like superfamily and exhibits several common structural determinants; including EGF-like repeat domains, MAM domain (Meprin, A5 Protein, and Receptor Protein-Tyrosine Phosphatase µ), RGD motif (Arg-Gly-Asp) and a coiled-coil domain. It regulates integrins-mediated signaling pathways via the interaction of its RGD motif with integrin α8β1...
May 17, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28512472/pulsed-electromagnetic-field-regulates-microrna-21-expression-to-activate-tgf-%C3%AE-signaling-in-human-bone-marrow-stromal-cells-to-enhance-osteoblast-differentiation
#6
Nagarajan Selvamurugan, Zhiming He, Daniel Rifkin, Branka Dabovic, Nicola C Partridge
Pulsed electromagnetic fields (PEMFs) have been documented to promote bone fracture healing in nonunions and increase lumbar spinal fusion rates. However, the molecular mechanisms by which PEMF stimulates differentiation of human bone marrow stromal cells (hBMSCs) into osteoblasts are not well understood. In this study the PEMF effects on hBMSCs were studied by microarray analysis. PEMF stimulation of hBMSCs' cell numbers mainly affected genes of cell cycle regulation, cell structure, and growth receptors or kinase pathways...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28508471/needleless-emulsion-electrospinning-for-the-regulated-delivery-of-susceptible-proteins
#7
Matej Buzgo, Eva Filova, Andrea Mickova Staffa, Michala Rampichova, Miroslav Doupnik, Karolina Vocetkova, Vera Lukasova, Radka Kolcun, David Lukas, Alois Necas, Evzen Amler
In the present work, we developed a novel needleless emulsion electrospinning technique which improves the production rate of the core/shell production process. The nanofibers are based on PCL as a continuous phase combined with a droplet phase based on Pluronic F-68 (PF-68). The PCL-PF-68 nanofibers show a time-regulated release of active molecules. Needleless emulsion electrospinning was used to encapsulate diverse set of compounds to the core phase (i.e. 5-DTAF-PF68, horseradish peroxidase (HRP), TRITC-dextran, insulin growth factor I (IGF-I), transforming growth factor beta (TGF-beta) and basic fibroblast growth factor (bFGF))...
May 16, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28503202/stabilization-of-foxp3-expression-by-crispr-dcas9-based-epigenome-editing-in-mouse-primary-t-cells
#8
Masahiro Okada, Mitsuhiro Kanamori, Kazue Someya, Hiroko Nakatsukasa, Akihiko Yoshimura
BACKGROUND: Epigenome editing is expected to manipulate transcription and cell fates and to elucidate the gene expression mechanisms in various cell types. For functional epigenome editing, assessing the chromatin context-dependent activity of artificial epigenetic modifier is required. RESULTS: In this study, we applied clustered regularly interspaced short palindromic repeats (CRISPR)-dCas9-based epigenome editing to mouse primary T cells, focusing on the Forkhead box P3 (Foxp3) gene locus, a master transcription factor of regulatory T cells (Tregs)...
2017: Epigenetics & Chromatin
https://www.readbyqxmd.com/read/28502832/sexually-dimorphic-expression-in-developing-and-adult-gonads-shows-an-important-role-of-gonadal-soma-derived-factor-during-sex-differentiation-in-olive-flounder-paralichthys-olivaceus
#9
Yuezhong Liu, Wei Zhang, Xinxin Du, Jun Zhao, Xiaobing Liu, Xiaojing Li, Quanqi Zhang, Xubo Wang
Gonadal soma-derived factor (gsdf) is a new member of transforming growth factor beta (TGF-β) superfamily. As a teleost- and gonad-specific growth factor, gsdf has been indicated to play an important role in early germ cell development. However, little is known about its significance in germ cell development of olive flounder (Paralichthys olivaceus). In the present study, a 1338 bp gsdf gene was isolated from P. olivaceus for the first time. Bioinformatic analysis revealed that the genomic structure and synteny relationship of gsdf in teleosts were conserved...
May 11, 2017: Comparative Biochemistry and Physiology. Part B, Biochemistry & Molecular Biology
https://www.readbyqxmd.com/read/28498548/engineered-3d-cardiac-fibrotic-tissue-to-study-fibrotic-remodeling
#10
Amir Hossein Sadeghi, Su Ryon Shin, Janine C Deddens, Giuseppe Fratta, Serena Mandla, Iman K Yazdi, Gyan Prakash, Silvia Antona, Danilo Demarchi, Marc P Buijsrogge, Joost P G Sluijter, Jesper Hjortnaes, Ali Khademhosseini
Activation of cardiac fibroblasts into myofibroblasts is considered to play an essential role in cardiac remodeling and fibrosis. A limiting factor in studying this process is the spontaneous activation of cardiac fibroblasts when cultured on two-dimensional (2D) culture plates. In this study, a simplified three-dimensional (3D) hydrogel platform of contractile cardiac tissue, stimulated by transforming growth factor-β1 (TGF-β1), is presented to recapitulate a fibrogenic microenvironment. It is hypothesized that the quiescent state of cardiac fibroblasts can be maintained by mimicking the mechanical stiffness of native heart tissue...
May 12, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28495868/transforming-growth-factor-beta-1-tgf-%C3%AE-1-stimulates-collagen-synthesis-in-cultured-rainbow-trout-cardiac-fibroblasts
#11
Elizabeth F Johnston, Todd E Gillis
Cold acclimation of rainbow trout, Oncorhynchus mykiss, causes collagen to increase within the extracellular matrix (ECM) of the myocardium, while warm acclimation has the opposite effect. The mechanism responsible for this remodeling response is not known. In mammals, transforming growth factor beta-1 (TGF-β1) stimulates collagen deposition within the myocardial ECM. Therefore, we hypothesized that TGF-β1 regulates trout myocardial ECM turnover and predicted that TGF-β1 would induce collagen deposition in cultured rainbow trout cardiac fibroblasts...
May 11, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28493377/neonatal-myeloid-derived-suppressor-cells-show-reduced-apoptosis-and-immunosuppressive-activity-upon-infection-with-escherichia-coli
#12
Anja Leiber, Julian Schwarz, Natascha Köstlin, Bärbel Spring, Birgit Fehrenbach, Nenad Katava, Christian F Poets, Christian Gille
BACKGROUND: Susceptibility to infection during the neonatal period and reduced control of inflammation in neonates are attributed to immunosuppression persisting from fetal life. Myeloid-derived suppressor cells (MDSCs) are immature myeloid progenitors with suppressive activity and increased numbers in cord blood. We hypothesized that MDSCs contribute to innate host defence in neonates, paralleled by anti-inflammatory signalling. METHODS: Phagocytic activity, infection induced apoptosis, expression of B-cell lymphoma (Bcl)-2 family proteins, production of reactive oxygen species (ROS), cytokine production and T-cell suppression of neonatal granulocytic-MDSCs (G-MDSCs) after infection with Escherichia coli (E...
May 11, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28486025/efficacy-and-persistence-of-allogeneic-adipose-derived-mesenchymal-stem-cells-combined-with-hyaluronic-acid-in-osteoarthritis-after-intra-articular-injection-in-a-sheep-model
#13
Chenchen Feng, Xuan Luo, Na He, Huitang Xia, Xiaoteng Lv, Xue Zhang, Dan Li, Fei Wang, Jiaping He, Li Zhang, Xiangming Lin, Liping Lin, Huabin Yin, Jiyin He, Jinwu Wang, Wei Cao, Richard Wang, Guangdong Zhou, Wen Wang
Although a number of studies have reported efficacy of autologous adipose-derived mesenchymal stem cells (AD-MSCs) in treating osteoarthritis (OA), no reliable evidences demonstrate whether allogeneic AD-MSCs can efficiently block OA progression in a large animal model. The current study explored the efficacy and survival of allogeneic AD-MSCs combined with hyaluronic acid (HA) after intra-articular (IA) injection in a sheep OA model, which were conventionally established by anterior cruciate ligament resection and medial meniscectomy...
May 9, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28481908/effect-of-intravenous-immunoglobulin-on-the-function-of-treg-cells-derived-from-immunosuppressed-mice-with-pseudomonas-aeruginosa-pneumonia
#14
Junlu Li, Tingsang Chen, Congcong Yuan, Guoqiang Zhao, Min Xu, Xiaoyan Li, Jie Cao, Lihua Xing
AIM: The present study aimed to investigate the effect of intravenous immunoglobulin (IVIG) on regulatory T (Treg) cells derived from immunosuppressed mice with Pseudomonas aeruginosa (PA) pneumonia. METHODS: A total of 108 BALB/c mice were randomly divided into the following groups: control group (Control), immunosuppressed group (IS), PA pneumonia group (PA), PA pneumonia in immunosuppressed group (IS + PA), PA pneumonia with IVIG treatment in immunocompetent group (PA + IVIG) and PA pneumonia with IVIG treatment in immunosuppressed group (IS + PA + IVIG)...
2017: PloS One
https://www.readbyqxmd.com/read/28481647/the-predictive-value-of-transforming-growth-factor-%C3%AE-in-wilms-tumor-immunopathogenesis
#15
Marla Karine Amarante, Carlos Eduardo Coral de Oliveira, Carolina Batista Ariza, Alberto Yoichi Sakaguchi, Cintya Mayumi Ishibashi, Maria Angelica Ehara Watanabe
Wilms tumor is the most common kidney malignancy in children, especially in children aged less than 6 years. Although therapeutic approach has reached successful rates, there is still room for improvement. Considering the tumor microenvironment, cytokines represent important elements of interaction and communication between tumor cells, stroma, and immune cells. In this regard, the transforming growth factor beta (TGF-β) family members play significant functions in physiological and pathological conditions, particularly in cancer...
May 8, 2017: International Reviews of Immunology
https://www.readbyqxmd.com/read/28473352/mir-21-is-involved-in-norepinephrine-mediated-rat-granulosa-cell-apoptosis-by-targeting-smad7
#16
Li Zhang, Jie Gao, Sheng Cui
Substantive evidence has indicated that the sympathetic innervation contributes to the regulation and development of ovarian functions. Norepinephrine (NE) is one of the major neurotransmitters contained in the extrinsic ovarian sympathetic nerves and is thought to be a potent moderator of ovarian functions such as steroidogenesis and granulosa cell proliferation or apoptosis. However, the mechanisms of NE regulation of granulosa cell apoptosis in the rat ovary are rare. Real-time PCR and Western blot results show that NE regulates the expression of miR-21 in primary granulosa cells in a dose-dependent manner...
May 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28472181/hypertrophic-scar-regression-is-linked-to-the-occurrence-of-endothelial-dysfunction
#17
Xi-Qiao Wang, Fei Song, Ying-Kai Liu
Most microvessels have been shown to become stenosed or completely occluded during hypertrophic scar progression. Here, we examined the morphology of capillary endothelial cells (ECs) and fibroblasts using immunofluorescence staining for CD31 and alpha-smooth muscle actin (α-SMA) and electron microscopy. In addition, ECs and fibroblasts were isolated from scar tissues, and the levels of transforming growth factor beta 1 (TGF-β1), platelet-derived growth factor (PDGF), endothelin 1 (ET-1), vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) were assayed using ELISAs...
2017: PloS One
https://www.readbyqxmd.com/read/28472080/transcriptome-analysis-of-muskrat-scented-glands-degeneration-mechanism
#18
Yimeng Li, Tianxiang Zhang, Juntong Zhou, Shuang Yang, Mengyuan Fan, Xiaoning Sun, Meishan Zhang, Shanghua Xu, Muha Cha, Xiaolong Hu, Lei Qi, Shaobi Lin, Shuqiang Liu, Defu Hu
The scented gland, a musk-secreting organ of male muskrats, shows clear seasonal changes. When entering the secreting season in March, scented glands gradually increase in size and active secretion starts. In September, scented glands become gradually smaller and secretion decreases. By November, scented glands are gradually replaced by adipose tissue. In this study, six healthy adult male muskrats were analysed: three from the secreting season (March) and three from the non-secreting season (November). Using RNA-Seq analysis, gene expression profiles of scented glands from both seasons were determined...
2017: PloS One
https://www.readbyqxmd.com/read/28470843/combination-of-biochemical-and-mechanical-cues-for-tendon-tissue-engineering
#19
Stefano Testa, Marco Costantini, Ersilia Fornetti, Sergio Bernardini, Marcella Trombetta, Dror Seliktar, Stefano Cannata, Alberto Rainer, Cesare Gargioli
Tendinopathies negatively affect the life quality of millions of people in occupational and athletic settings, as well as the general population. Tendon healing is a slow process, often with insufficient results to restore complete endurance and functionality of the tissue. Tissue engineering, using tendon progenitors, artificial matrices and bioreactors for mechanical stimulation, could be an important approach for treating rips, fraying and tissue rupture. In our work, C3H10T1/2 murine fibroblast cell line was exposed to a combination of stimuli: a biochemical stimulus provided by Transforming Growth Factor Beta (TGF-β) and Ascorbic Acid (AA); a three-dimensional environment represented by PEGylated-Fibrinogen (PEG-Fibrinogen) biomimetic matrix; and a mechanical induction exploiting a custom bioreactor applying uniaxial stretching...
May 4, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28467108/gremlin1-accelerates-hepatic-stellate-cell-activation-through-upregulation-of-tgf-beta-expression
#20
Yan-Qiong Zhang, Lin-Yan Wan, Xiao-Min He, Yi-Ran Ni, Chang Wang, Chang-Bai Liu, Jiang-Feng Wu
Gremlin1, the antagonist of bone morphogenetic protein-7 and one of the target genes of transforming growth factor (TGF)-β signal pathway, plays an important role in embryonic development and its expression decreases along with aging. To explore the expression of gremlin1 in liver fibrosis and the causal link between gremlin1 and hepatic stellate cell (HSC) activation, we detected the expression of gremlin1 in mice with hepatic fibrosis induced by porcine serum using real time quantitative PCR (RT-qPCR) and immunohistochemical staining...
May 3, 2017: DNA and Cell Biology
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