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https://www.readbyqxmd.com/read/28208216/msc-derived-ccn2-promotes-the-proliferation-migration-and-invasion-of-human-tongue-squamous-cell-carcinoma-cells
#1
Yu-Ling Wu, Hong-Yu Li, Xiao-Peng Zhao, Jiu-Yang Jiao, Dong-Xiao Tang, Ling-Jian Yan, Quan Wan, Chao-Bin Pan
Recent studies have demonstrated that mesenchymal stem cells (MSCs) exhibit a tropism to tumors and form the tumor stroma. Additionally, we found that MSCs can secrete different types of factors. However, the involvement of MSC-derived factors in human tongue squamous cell carcinoma (TSCC) growth has not been clearly addressed. The CCN family includes multifunctional signaling molecules that affect the initiation and development events of various tumors. In our study, we report that CCN2/connective tissue growth factor (CTGF) was the most highly induced among the CCN family members in MSCs that were co-cultured with TSCC cells...
February 16, 2017: Cancer Science
https://www.readbyqxmd.com/read/28207886/connective-tissue-growth-factor-is-not-necessary-for-haze-formation-in-excimer-laser-wounded-mouse-corneas
#2
Xiaodi Feng, Liya Pi, Sriniwas Sriram, Gregory S Schultz, Daniel J Gibson
We sought to determine if connective tissue growth factor (CTGF) is necessary for the formation of corneal haze after corneal injury. Mice with post-natal, tamoxifen-induced, knockout of CTGF were subjected to excimer laser phototherapeutic keratectomy (PTK) and the corneas were allowed to heal. The extent of scaring was observed in non-induced mice, heterozygotes, and full homozygous knockout mice and quantified by macrophotography. The eyes from these mice were collected after euthanization for re-genotyping to control for possible Cre-mosaicism...
2017: PloS One
https://www.readbyqxmd.com/read/28203261/curcumin-suppresses-intestinal-fibrosis-by-inhibition-of-ppar%C3%AE-mediated-epithelial-mesenchymal-transition
#3
Su Xu, Bin Jiang, Hui Wang, Cunsi Shen, Hao Chen, Li Zeng
Intestinal fibrotic stricture is a major complication of Crohn's disease (CD) and epithelial-to-mesenchymal transition (EMT) is considered as an important contributor to the formation of intestinal fibrosis by increasing extracellular matrix (ECM) proteins. Curcumin, a compound derived from rhizomes of Curcuma, has been demonstrated with a potent antifibrotic effect. However, its effect on intestinal fibrosis and the potential mechanism is not completely understood. Here we found that curcumin pretreatment significantly represses TGF-β1-induced Smad pathway and decreases its downstream α-smooth muscle actin (α-SMA) gene expression in intestinal epithelial cells (IEC-6); in contrast, curcumin increases expression of E-cadherin and peroxisome proliferator-activated receptor γ (PPARγ) in IEC-6...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28195168/taz-contributes-to-pulmonary-fibrosis-by-activating-profibrotic-functions-of-lung-fibroblasts
#4
Satoshi Noguchi, Akira Saito, Yu Mikami, Hirokazu Urushiyama, Masafumi Horie, Hirotaka Matsuzaki, Hideyuki Takeshima, Kosuke Makita, Naoya Miyashita, Akihisa Mitani, Taisuke Jo, Yasuhiro Yamauchi, Yasuhiro Terasaki, Takahide Nagase
Transcriptional coactivator with PDZ-binding motif (TAZ) regulates a variety of biological processes. Nuclear translocation and activation of TAZ are regulated by multiple mechanisms, including actin cytoskeleton and mechanical forces. TAZ is involved in lung alveolarization during lung development and Taz-heterozygous mice are resistant to bleomycin-induced lung fibrosis. In this study, we explored the roles of TAZ in the pathogenesis of idiopathic pulmonary fibrosis (IPF) through histological analyses of human lung tissues and cell culture experiments...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28191821/crucial-role-of-mesangial-cell-derived-connective-tissue-growth-factor-in-a-mouse-model-of-anti-glomerular-basement-membrane-glomerulonephritis
#5
Naohiro Toda, Kiyoshi Mori, Masato Kasahara, Akira Ishii, Kenichi Koga, Shoko Ohno, Keita P Mori, Yukiko Kato, Keisuke Osaki, Takashige Kuwabara, Katsutoshi Kojima, Daisuke Taura, Masakatsu Sone, Taiji Matsusaka, Kazuwa Nakao, Masashi Mukoyama, Motoko Yanagita, Hideki Yokoi
Connective tissue growth factor (CTGF) coordinates the signaling of growth factors and promotes fibrosis. Neonatal death of systemic CTGF knockout (KO) mice has hampered analysis of CTGF in adult renal diseases. We established 3 types of CTGF conditional KO (cKO) mice to investigate a role and source of CTGF in anti-glomerular basement membrane (GBM) glomerulonephritis. Tamoxifen-inducible systemic CTGF (Rosa-CTGF) cKO mice exhibited reduced proteinuria with ameliorated crescent formation and mesangial expansion in anti-GBM nephritis after induction...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28183733/neuronal-ctgf-ccn2-negatively-regulates-myelination-in-a-mouse-model-of-tuberous-sclerosis-complex
#6
Ebru Ercan, Juliette M Han, Alessia Di Nardo, Kellen Winden, Min-Joon Han, Leonie Hoyo, Afshin Saffari, Andrew Leask, Daniel H Geschwind, Mustafa Sahin
Disruption of myelination during development has been implicated in a range of neurodevelopmental disorders including tuberous sclerosis complex (TSC). TSC patients with autism display impairments in white matter integrity. Similarly, mice lacking neuronal Tsc1 have a hypomyelination phenotype. However, the mechanisms that underlie these phenotypes remain unknown. In this study, we demonstrate that neuronal TSC1/2 orchestrates a program of oligodendrocyte maturation through the regulated secretion of connective tissue growth factor (CTGF)...
February 9, 2017: Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28174483/dual-effect-of-wisp-1-in-diverse-pathological-processes
#7
Mengmeng Feng, Shuqin Jia
Wnt-1 inducible signaling pathway-1 (WISP-1), also known as CCN-4, belongs to the connective tissue growth factor (CTGF) family. WISP-1 is primarily expressed in embryonic stem cells and is involved in adult organ development. WISP-1 participates in many cellular processes, including proliferation, differentiation, apoptosis and adhesion. In addition, WISP-1 plays an important role in diverse pathophysiological processes, such as embryonic development, inflammation, injury repairs and cancers. Recent studies showed that WISP-1 was highly correlated with tumor progression and malignant transformation, whereas it played an oncogenic role in colorectal cancer, cholangiocarcinoma, hepatocellular carcinoma and breast cancer...
December 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28168814/targeting-multiple-pathways-reduces-renal-and-cardiac-fibrosis-in-rats-with-subtotal-nephrectomy-followed-by-coronary-ligation
#8
N R Oosterhuis, L G Bongartz, M C Verhaar, C Cheng, Y J Xu, A van Koppen, M J Cramer, R Goldschmeding, C A Gaillard, P A Doevendans, B Braam, J A Joles
AIM: Multiple interacting pathways contribute to progression of renal and cardiac damage in chronic kidney disease followed by chronic heart failure (renocardiac syndrome). We hypothesized that simultaneous pharmacological modulation of critical pathways implicated in renocardiac syndrome would effectively reduce fibrosis in and preserve function of heart and kidney. METHODS: Rats were subjected to subtotal nephrectomy followed 9 weeks later by coronary artery ligation...
November 7, 2016: Acta Physiologica
https://www.readbyqxmd.com/read/28158898/4pba-strongly-attenuates-endoplasmic-reticulum-stress-fibrosis-and-mitochondrial-apoptosis-markers-in-cyclosporine-treated-human-gingival-fibroblasts
#9
Suresh Ranga Rao, Subbarayan Rajasekaran, Supraja Ajitkumar, Murugan Girija Dinesh
Cyclosporine induces overgrowth of human gingiva. Previously we have shown (i) cyclosporine - inducing ER stress in human gingival fibroblasts, (ii) increased matrix protein expression, and (iii) interference with mitochondrial pro- and anti - apoptotic factors. This study was undertaken to assess the effects of melatonin (an antioxidant), 4PBA (an ER stress inhibitor), and simvastatin on the expression of ER Stress markers, as well as on matrix and mitochondrial markers. Human gingival fibroblasts incubated with cyclosporine, or without melatonin/4PBA/statin...
February 3, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28157237/mechanisms-underlying-the-cardiac-antifibrotic-effects-of-losartan-metabolites
#10
José Luis Miguel-Carrasco, Javier Beaumont, Gorka San José, María U Moreno, Begoña López, Arantxa González, Guillermo Zalba, Javier Díez, Ana Fortuño, Susana Ravassa
Excessive myocardial collagen deposition and cross-linking (CCL), a process regulated by lysyl oxidase (LOX), determines left ventricular (LV) stiffness and dysfunction. The angiotensin II antagonist losartan, metabolized to the EXP3179 and EXP3174 metabolites, reduces myocardial fibrosis and LV stiffness in hypertensive patients. Our aim was to investigate the differential influence of losartan metabolites on myocardial LOX and CCL in an experimental model of hypertension with myocardial fibrosis, and whether EXP3179 and EXP3174 modify LOX expression and activity in fibroblasts...
February 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28152516/tnfaip8-interacts-with-lats1-and-promotes-aggressiveness-through-regulation-of-hippo-pathway-in-hepatocellular-carcinoma
#11
Qianze Dong, Lin Fu, Yue Zhao, Chengyao Xie, Qingchang Li, Enhua Wang
Although TNFAIP8 overexpression has been implicated in several human cancers, its clinical significance and biological function in hepatocellular carcinoma (HCC) remains unknown. Our study demonstrated that TNFAIP8 overexpression in primary HCC samples correlated with TNM stage, recurrence, poor prognosis and served as an independent favorable prognostic factor. We further showed that TNFAIP8 upregulated cell proliferation, migration, invasion and xenograft tumor growth of HCC cells. In addition, TNFAIP8 overexpression inhibited YAP phosphorylation, increased its nuclear localization and stabilization, leading to upregulation of cyclin proteins, CTGF and cell proliferation...
February 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28148567/critical-role-of-the-camp-pka-pathway-in-hyperglycemia-induced-epigenetic-activation-of-fibrogenic-program-in-the-kidney
#12
Dilip K Deb, Riyue Bao, Yan Chun Li
Hyperglycemia is a major pathogenic factor that promotes diabetic nephropathy, but the underlying mechanism remains incompletely understood. Here, we show that high glucose induced cAMP response element-binding protein (CREB)-binding protein (CBP)-mediated H3K9/14 hyperacetylation in approximately 5000 gene promoters in glomerular mesangial cells, including those of Tgfb1, Tgfb3, and Ctgf, the major profibrotic factors that are known to drive diabetic renal fibrogenesis. In these promoters, H3K9/14 hyperacetylation was closely associated with NF-κB or CREB motifs...
February 1, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28139522/ovarian-fibrosis-a-phenomenon-of-concern
#13
REVIEW
Feng Zhou, Li-Bing Shi, Song-Ying Zhang
OBJECTIVE: Ovarian fibrosis is characterized by excessive proliferation of ovarian fibroblasts and deposition of extracellular matrix (ECM) and it is one of the principal reasons for ovarian dysfunction. This review aimed to investigate the pathogenetic mechanism of ovarian fibrosis and to clarify the relationship between ovarian diseases and fibrosis. DATA SOURCES: We searched PubMed for English language articles published up to November 2016. The search terms included ovarian fibrosis OR fibrosis, ovarian chocolate cyst OR ovarian endometrioma, polycystic ovarian syndrome (PCOS), premature ovarian failure, ECM, matrix metalloproteinases (MMPs), tissue inhibitors of matrix metalloproteinases (TIMPs), transforming growth factor-beta 1 (TGF-β1), connective tissue growth factor (CTGF), peroxisome proliferator-activated receptor gamma (PPAR-γ), vascular endothelial growth factor (VEGF), endothelin-1 (ET-1), and combinations of these terms...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28135285/dysregulation-of-in-vitro-decidualization-of-human-endometrial-stromal-cells-by-insulin-via-transcriptional-inhibition-of-forkhead-box-protein-o1
#14
Dorina Ujvari, Ivika Jakson, Shabnam Babayeva, Daniel Salamon, Bence Rethi, Sebastian Gidlöf, Angelica Lindén Hirschberg
Insulin resistance and compensatory hyperinsulinemia are characteristic features of obesity and polycystic ovary syndrome, and both are associated with reduced fertility and implantation. There is little knowledge about the effect of insulin on the decidualization process and previous findings are contradictory. We investigated the effect of insulin on the regulation of forkhead box protein O1 (FOXO1), one of the most important transcription factors during decidualization. Endometrial stromal cells were isolated from six healthy, regularly menstruating women and decidualized in vitro...
2017: PloS One
https://www.readbyqxmd.com/read/28130402/connective-tissue-growth-factor-domain-4-amplifies-fibrotic-kidney-disease-through-activation-of-ldl-receptor-related-protein-6
#15
Bryce G Johnson, Shuyu Ren, Gamze Karaca, Ivan G Gomez, Cécile Fligny, Benjamin Smith, Ayla Ergun, George Locke, Benbo Gao, Sebastian Hayes, Scott MacDonnell, Jeremy S Duffield
Connective tissue growth factor (CTGF), a matrix-associated protein with four distinct cytokine binding domains, has roles in vasculogenesis, wound healing responses, and fibrogenesis and is upregulated in fibroblasts and myofibroblasts in disease. Here, we investigated the role of CTGF in fibrogenic cells. In mice, tissue-specific inducible overexpression of CTGF by kidney pericytes and fibroblasts had no bearing on nephrogenesis or kidney homeostasis but exacerbated inflammation and fibrosis after ureteral obstruction...
January 27, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28125276/molecular-factors-involved-in-the-hypolipidemic-and-insulin-sensitizing-effects-of-a-ginger-zingiber-officinale-roscoe-extract-in-rats-fed-a-high-fat-diet
#16
Natalia de Las Heras, María Valero-Muñoz, Beatriz Martín-Fernández, Sandra Ballesteros, Antonio López-Farré, Baltasar Ruiz-Roso, Vicente Lahera
Hypolipidemic and hypoglycemic properties of ginger in animal models have been reported. However, information related to the mechanisms and factors involved in the metabolic effects of ginger at a hepatic level are limited. The aim of the present study was to investigate molecular factors involved in the hypoglycemic and hypolipidemic effects of a hydroethanolic ginger extract (GE) in the liver of rats fed a high-fat diet (HFD). The study was conducted in male Wistar rats divided into the following 3 groups: (i) Rats fed a standard diet (3...
February 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/28123632/effects-of-averrhoa-carambola-l-oxalidaceae-juice-mediated-on-hyperglycemia-hyperlipidemia-and-its-influence-on-regulatory-protein-expression-in-the-injured-kidneys-of-streptozotocin-induced-diabetic-mice
#17
Hoa Thi Thai Pham, Wansu Huang, Chuangye Han, Juman Li, Qiuqiao Xie, Jinbin Wei, Xiaohui Xu, Zefeng Lai, Xiang Huang, Renbin Huang, Qingwei Wen
Recently, many reports have shown that Averrhoa carambola L. (Oxalidaceae) juice (EACJ) could reduce blood glucose in humans. However, its mechanisms have not been well explored; therefore, our study aimed to investigate the beneficial effects of EACJ on hyperglycemia, hyperlipidemia and renal injury in streptozotocin (STZ)-induced diabetic mice. Those mice were injected with STZ via the tail vein (120 mg/kg body weight) and were identified as diabetic mice when the level of blood glucose was ≥ 11.1 mmol/L...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28123501/identification-of-the-molecular-mechanisms-underlying-dilated-cardiomyopathy-via-bioinformatic-analysis-of-gene-expression-profiles
#18
Hu Zhang, Zhuo Yu, Jianchao He, Baotong Hua, Guiming Zhang
In the present study, gene expression profiles of patients with dilated cardiomyopathy (DCM) were re-analyzed with bioinformatics tools to investigate the molecular mechanisms underlying DCM. Gene expression dataset GSE3585 was downloaded from Gene Expression Omnibus, which included seven heart biopsy samples obtained from patients with DCM and five healthy controls. Differential analysis was performed using a Limma package in R to screen for differentially expressed genes (DEGs). Functional enrichment analysis was subsequently conducted for DEGs using the Database for Annotation, Visualization and Integration Discovery...
January 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28122355/plumbagin-restrains-hepatocellular-carcinoma-angiogenesis-by-suppressing-the-migration-and-invasion-of-tumor-derived-vascular-endothelial-cells
#19
YanFei Wei, Qi Yang, Yuan Zhang, TieJian Zhao, XueMei Liu, Jing Zhong, Jing Ma, YongXin Chen, Chuan Zhao, JunXuan Li
Tumor occurrence and development are very complicated processes. In addition to the roles of exogenous carcinogenic factors, the body's internal factors also play important roles. These factors include the host response to the tumor and the tumor effect on the host. In particular, the proliferation, migration and activation of endothelial cells are involved in tumor angiogenesis. Angiogenesis is one of the hallmarks of cancer. In this study, we investigate whether plumbagin can abrogate angiogenesis-mediated tumor growth in hepatocellular carcinoma (HCC) and, if so, through which molecular mechanisms...
January 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/28115285/luhong-formula-inhibits-myocardial-fibrosis-in-a-paracrine-manner-by-activating-the-gp130-jak2-stat3-pathway-in-cardiomyocytes
#20
Huiyan Qu, Yong Wang, Yingjie Wang, Tao Yang, Zhou Feng, Yang Qu, Hua Zhou
ETHNOPHARMACOLOGICAL RELEVANCE: Luhong formula (LHF)-a traditional Chinese medicine containing Cervus nippon Temminck,Carthamus tinctorius L., Cinnamomum cassia Presl,Codonopisis pilosula( Franch.) Nannf., Astragalus membranaceus ( Fisch.) Bge. var. mongholicus ( Bge.) Hsiao, Lepidium apetalum Willd-is used in the treatment of heart failure. AIM OF THE STUDY: To investigate the antifibrotic efficacy of LHF in a myocardial infarction-induced rat model of heart failure and to determine its mechanism of action...
January 20, 2017: Journal of Ethnopharmacology
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