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https://www.readbyqxmd.com/read/28533328/tendon-stem-progenitor-cells-regulate-inflammation-in-tendon-healing-via-jnk-and-stat3-signaling
#1
Solaiman Tarafder, Esther Chen, Yena Jun, Kristy Kao, Kun Hee Sim, Jungho Back, Francis Y Lee, Chang H Lee
Tendon stem/progenitor cells (TSCs) have been found in different anatomic locations and showed a promising regenerative potential. We identified a role of TSCs in the regulation of inflammation during healing of acute tendon injuries. Delivery of connective tissue growth factor (CTGF) into full-transected rat patellar tendons significantly increased the number of CD146(+) TSCs, leading to enhanced healing. In parallel, CTGF delivery significantly reduced the number of iNOS(+) M1 Mϕs and increased the expression of anti-inflammatory IL-10 at 2 d after surgery, with over 85% CD146(+) TSCs expressing IL-10...
May 22, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28527710/ccn3-regulates-macrophage-foam-cell-formation-and-atherosclerosis
#2
Hong Shi, Chao Zhang, Vinay Pasupuleti, Xingjian Hu, Domenick A Prosdocimo, Wenconghui Wu, Yulan Qing, Shitong Wu, Haneen Mohammad, Stanton L Gerson, Bernard Perbal, Philip A Klenotic, Nianguo Dong, Zhiyong Lin
Recent studies implicate the Cyr61, CTGF, Nov (CCN) matricellular signaling protein family as emerging players in vascular biology, with NOV (alias CCN3) as an important regulator of vascular homeostasis. Herein, we examined the role of CCN3 in the pathogenesis of atherosclerosis. In response to a 15-week high-fat diet feeding, CCN3-deficient mice on the atherosclerosis-prone Apoe(-/-) background developed increased aortic lipid-rich plaques compared to control Apoe(-/-) mice, a result that was observed in the absence of alterations in plasma lipid content...
June 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28520806/als-skeletal-muscle-shows-enhanced-tgf-%C3%AE-signaling-fibrosis-and-induction-of-fibro-adipogenic-progenitor-markers
#3
David Gonzalez, Osvaldo Contreras, Daniela L Rebolledo, Juan Pablo Espinoza, Brigitte van Zundert, Enrique Brandan
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease in which upper and lower motoneurons degenerate leading to muscle wasting, paralysis and eventually death from respiratory failure. Several studies indicate that skeletal muscle contributes to disease progression; however the molecular mechanisms remain elusive. Fibrosis is a common feature in skeletal muscle under chronic damage conditions such as those caused by muscular dystrophies or denervation. However, the exact mechanisms of fibrosis induction and the cellular bases of this pathological response are unknown...
2017: PloS One
https://www.readbyqxmd.com/read/28512636/expression-of-yap-taz-in-keratocystic-odontogenic-tumors-and-its-possible-association-with-proliferative-behavior
#4
Qi-Wen Man, Yan-Qi Ma, Jin-Yuan Liu, Yi Zhao, Bing Liu, Yi-Fang Zhao
The aim of this study is to clarify whether YAP/TAZ is involved in the pathogenesis and proliferative growth of keratocystic odontogenic tumor (KCOT). The expression levels of YAP/TAZ and downstream proteins and genes in normal oral mucosa (OM) and KCOT were determined and compared by immunohistochemistry and real-time quantitative PCR. The results showed that the expression of YAP/TAZ and downstream proteins (Cyr61, CTGF) was significantly upregulated in KCOT with upregulation of Ki-67 compared to OM. Importantly, the mRNA levels of transcription factors (TEAD1, TEAD4, and RUNX2) and cell cycle related genes (CDK2, PCNA), which interact with the transcriptional coactivators YAP/TAZ, are also upregulated in the KCOT...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28507585/ctgf-upregulation-correlates-with-mmp-9-level-in-airway-remodeling-in-a%C3%A2-murine-model-of-asthma
#5
Sheng-Chieh Lin, Hsiu-Chu Chou, Bor-Luen Chiang, Chung-Ming Chen
INTRODUCTION: Connective tissue growth factor (CTGF) mediates hypertrophy, proliferation, and extracellular matrix synthesis. Matrix metalloproteinase (MMP) plays a role in airway extracellular matrix remodeling. The correlation between CTGF and MMP in airway remodeling of asthma was unknown. This study investigated lung CTGF expression and its correlation with MMP and airway structural changes in a murine model of asthma. MATERIAL AND METHODS: Female BALB/c mice were sensitized and challenged by intraperitoneal injections and intranasal phosphate-buffered saline (PBS) or ovalbumin (OVA)...
April 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28505603/icariin-protects-against-thioacetamide-induced-liver-fibrosis-in-rats-implication-of-anti-angiogenic-and-anti-autophagic-properties
#6
Mardi M Algandaby, Randa M Breikaa, Basma G Eid, Thikrayat A Neamatallah, Ashraf B Abdel-Naim, Osama M Ashour
BACKGROUND: Liver fibrosis is a major health problem. The current study evaluated the potential of icariin (ICA) to guard against thioacetamide (TAA)-induced liver fibrosis in rats. METHODS: Four groups of male rats were treated as follows: group 1 was the control group, group 2 was given TAA (200mg/kg), group 3 was administered ICA (50mg/kg) and TAA (200mg/kg), and group 4 was given ICA (50mg/kg) alone. Animal treatment was continued for four weeks. RESULTS: Co-administration of ICA guarded against TAA hepatotoxicity as indicated by significant inhibition in the rise of serum ALT and AST activities and albumin concentrations...
February 24, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28498357/adiponectin-is-involved-in-connective-tissue-growth-factor-induced-proliferation-migration-and-overproduction-of-the-extracellular-matrix-in-keloid-fibroblasts
#7
Limin Luo, Jun Li, Han Liu, Xiaoqing Jian, Qianlei Zou, Qing Zhao, Qu Le, Hongdou Chen, Xinghua Gao, Chundi He
Adiponectin, an adipocyte-derived hormone, exerts pleiotropic biological effects on metabolism, inflammation, vascular homeostasis, apoptosis and immunity. Recently, adiponectin has been suggested to attenuate the progression of human dermal fibrosis. Connective tissue growth factor (CTGF) is induced in keloids and is thought to be participated in the formation of keloid fibrosis. However, the roles played by adiponectin in keloids remain unclear. In this study, we explored the effects of adiponectin on CTGF-induced cell proliferation, migration and the deposition of extracellular matrix (ECM) and their associated intracellular signalling pathways in keloid fibroblasts (KFs)...
May 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28494166/ocular-safety-of-intravitreal-connective-tissue-growth-factor-neutralizing-antibody
#8
Tahmineh Motevasseli, Narsis Daftarian, Mozhgan Rezaei Kanavi, Hamid Ahmadieh, Abouzar Bagheri, Seyed Bagher Hosseini, Shabnam Ansari, Zahra-Soheila Soheili
PURPOSE: To detect the safety of intravitreal injection of anti-connective tissue growth factor (CTGF) (IVAC) in rat eyes in order to apply this neutralizing antibody for experimental animal studies. METHODS: Forty-five Lister Hooded male pigmented rats were divided into five groups that received IVAC (2 μl) corresponding to the doses of 10 (B), 20 (C), 50 (D), and 100 μg/ml (E), equal to 1.25, 2.5, 6.25, and 12.5 µg/ml of antibody concentration in rat vitreous, respectively...
May 11, 2017: Current Eye Research
https://www.readbyqxmd.com/read/28490526/atp-citrate-lyase-is-essential-for-high-glucose-induced-histone-hyperacetylation-and-fibrogenic-gene-up-regulation-in-mesangial-cells
#9
Dilip K Deb, Yinyin Chen, Jian Sun, Youli Wang, Yan Chun Li
TThe goal of this study was to address the role of ATP-citrate lyase (ACL), an enzyme that converts citrate to acetyl-CoA, in high glucose (HG)-induced histone acetylation and pro-fibrotic gene expression. Our recent ChIP-Seq studies have demonstrated that HG induces genome-wide histone hyperacetylation in mesangial cells (MCs). Here we showed that exposure of MCs to HG markedly increased histone acetylation at the H3K9/14 and H3K18 marks and induced the expression of potent pro-fibrotic factors TGF-β1, TGF-β3 and CTGF...
May 10, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28487958/effects-of-taz-on-human-dental-pulp-stem-cell-proliferation-and-migration
#10
Songbo Tian, Xiaochao Tian, Yanping Liu, Fusheng Dong, Jie Wang, Xuqian Liu, Zhiyong Zhang, Huizhen Chen
Transcriptional coactivator with PDZ‑binding motif (TAZ) acts as the key downstream regulatory target in the Hippo signaling pathway. TAZ overexpression has been reported to promote cellular proliferation and induce epithelial‑mesenchymal transition in human mammary epithelial cells. However, the effects of TAZ in the regulation of human dental pulp stem cell (hDPSC) proliferation and migration, as well as the molecular mechanisms underlying its actions, remain to be elucidated. The present study demonstrated that TAZ was expressed in hDPSCs...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28478800/hif-1%C3%AE-mediates-visfatin-induced-ctgf-expression-in-vascular-endothelial-cells
#11
W Wu, J Li, M Zhao, X Liu
Visfatin is an adipokine that functions as a mediator of endothelial dysfunction and cardiovascular diseases. Connective tissue growth factor (CTGF) is a key factor in vascular remodeling and atherosclerosis. However, the association between visfatin and CTGF is unclear. Therefore the study was to test the hypothesis that visfatin could modulate the expression of CTGF in vascular endothelial cells. In our study, cultured endothelial cell line EA.Hy926 cells were treated with different concentrations of visfatin for different times...
April 29, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28474838/connective-tissue-growth-factor-promotes-efficient-generation-of-human-induced-pluripotent-stem-cell-derived-choroidal-endothelium
#12
Allison E Songstad, Kristan S Worthington, Kathleen R Chirco, Joseph C Giacalone, S Scott Whitmore, Kristin R Anfinson, Dalyz Ochoa, Cathryn M Cranston, Megan J Riker, Maurine Neiman, Edwin M Stone, Robert F Mullins, Budd A Tucker
Age-related macular degeneration (AMD) is a leading cause of irreversible blindness in the Western world. Although, the majority of stem cell research to date has focused on production of retinal pigment epithelial (RPE) and photoreceptor cells for the purpose of evaluating disease pathophysiology and cell replacement, there is strong evidence that the choroidal endothelial cells (CECs) that form the choriocapillaris vessels are the first to be lost in this disease. As such, to accurately evaluate disease pathophysiology and develop an effective treatment, production of patient-specific, stem cell-derived CECs will be required...
May 5, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28470428/genome-wide-dna-methylation-analysis-of-articular-chondrocytes-identifies-traf1-ctgf-and-cx3cl1-genes-as-hypomethylated-in-osteoarthritis
#13
Like Zhao, Qian Wang, Chunmei Zhang, Cibo Huang
The aim of this study is to identify osteoarthritis (OA)-associated differentially methylated genes in human articular chondrocytes from patients with OA. DNA methylation profiling of articular chondrocytes from OA patients, rheumatoid arthritis (RA) patients, and controls was performed, and candidate genes were chosen for validation of gene demethylation status. The mRNA expression levels of candidate genes in chondrocytes were detected by real-time quantitative PCR. Chondrocytes from OA and RA group were treated with 5-Aza-2-deoxycytidine (5-Aza), and then the mRNA expression levels were detected...
May 3, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28469167/interplay-between-ccn1-and-wnt5a-in-endothelial-cells-and-pericytes-determines-the-angiogenic-outcome-in-a-model-of-ischemic-retinopathy
#14
Sangmi Lee, Menna Elaskandrany, Lester F Lau, Douglas Lazzaro, Maria B Grant, Brahim Chaqour
CYR61-CTGF-NOV (CCN)1 is a dynamically expressed extracellular matrix (ECM) protein with critical functions in cardiovascular development and tissue repair. Angiogenic endothelial cells (ECs) are a major cellular source of CCN1 which, once secreted, associates with the ECM and the cell surface and tightly controls the bidirectional flow of information between cells and the surrounding matrix. Endothelium-specific CCN1 deletion in mice using a cre/lox strategy induces EC hyperplasia and causes blood vessels to coalesce into large flat hyperplastic sinuses with no distinctive hierarchical organization...
May 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28466813/molecular-analysis-of-endometrial-inflammation-in-preterm-birth
#15
M Cecati, D Sartini, R Campagna, A Biagini, A Ciavattini, M Emanuelli, S R Giannubilo
Spontaneous preterm birth (sPTB) represents the 35%-45% of all preterm birth (PTB) cases and its etiology is unknown. We investigated if the expression level of endometrial cytokines and angiogenetic factors is related to the onset of sPTB.Endometrial tissues from non-pregnant women who experienced sPTB and from non-pregnant women who did not experience sPTB were collected and examined for their expression profile. With this aim, the PCR Array analysis was performed and data were confirmed by Real-Time PCR...
March 31, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/28465657/the-microrna-21-signaling-pathway-is-involved-in-prorenin-receptor-prr-induced-vegf-expression-in-arpe-19-cells-under-a-hyperglycemic-condition
#16
Rashidul Haque, P Michael Iuvone, Li He, Kimberly Su Chung Choi, Ashley Ngo, Samantha Gokhale, Madiha Aseem, Daniel Park
PURPOSE: MicroRNAs (miRNAs/miRs) are involved in a large number of biological functions and diseases, such as cancer, cardiovascular diseases, and diabetes. MiR-21 has been reported to target Sprouty homolog 1 (SPRY1), SMAD7, and PTEN. In this study, we examined the underlying role of miR-21 in the regulation of prorenin receptor (PRR)-mediated induction of vascular endothelial growth factor (VEGF) expression via targeting SMAD7, SPRY1, and PTEN in a hyperglycemic condition. METHODS: PRR-mediated induction of VEGF under a hyperglycemic condition (high glucose, 33mM) was studied by treating ARPE-19 cells with perindopril (10 µmol/l), which inhibits angiotensin II-mediated signaling...
2017: Molecular Vision
https://www.readbyqxmd.com/read/28465479/kctd11-inhibits-growth-and-metastasis-of-hepatocellular-carcinoma-through-activating-hippo-signaling
#17
Rongliang Tong, Beng Yang, Heng Xiao, Chuanhui Peng, Wendi Hu, Xiaoyu Weng, Shaobing Cheng, Chengli Du, Zhen Lv, Chaofeng Ding, Lin Zhou, Haiyang Xie, Jian Wu, Shusen Zheng
A lack of effective prognostic biomarkers and molecular targets is a serious problem in hepatocellular carcinoma. KCTD11, reported as a tumor suppressor, are still not well understood. In this study, KCTD11 was found low-expressed in HCC tissues and cell lines. The HCC patients with low expression of KCTD11 suggested shorter overall survival. We found KCTD11 inhibiting cell proliferation in vitro and tumor growth in vivo, by activating p21 and repressing cycle related proteins. KCTD11 also inhibited cell adhesion by decreasing CTGF and CLDN1...
April 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28464379/activation-of-transforming-growth-factor-%C3%AE-1-by-thrombin-via-integrins-%C3%AE-v%C3%AE-1-%C3%AE-v%C3%AE-3-and-%C3%AE-v%C3%AE-5-in-buccal-fibroblasts-suppression-by-epigallocatechin-3-gallate
#18
Jenny Zwei-Chieng Chang, Yu-Ping Hsieh, Wen-Hsin Lin, Hsin-Ming Chen, Mark Yen-Ping Kuo
BACKGROUND: Transforming growth factor-beta (TGF-β) plays a central role in the pathogenesis of oral submucous fibrosis (OSF). Thrombin is a key player in tissue repair, inflammation, and fibrosis after injury. METHODS: Effects of thrombin on activated-TGF-β1 levels, Smad3 phosphorylation, and connective tissue growth factor (CTGF/CCN2) synthesis in primary human buccal mucosal fibroblasts (BMFs) were assessed by enzyme-linked immunosorbent assay or Western blot analysis...
May 2, 2017: Head & Neck
https://www.readbyqxmd.com/read/28463085/low-intensity-pulsed-ultrasound-reduces-periodontal-atrophy-in-occlusal-hypofunctional-teeth
#19
Yuki Kasahara, Risa Usumi-Fujita, Jun Hosomichi, Sawa Kaneko, Yuji Ishida, Naoki Shibutani, Yasuhiro Shimizu, Asuka Okito, Shuji Oishi, Yoichiro Kuma, Hiroyuki Yamaguchi, Takashi Ono
OBJECTIVE: To clarify whether low-intensity pulsed ultrasound (LIPUS) exposure has recovery effects on the hypofunctional periodontal ligament (PDL) and interradicular alveolar bone (IRAB). MATERIALS AND METHODS: Twelve-week-old male Sprague-Dawley rats were divided into three groups (n = 5 each): a normal occlusion (C) group, an occlusal hypofunction (H) group, and an occlusal hypofunction group subjected to LIPUS (HL) treatment. Hypofunctional occlusion of the maxillary first molar (M1) of the H and HL groups was induced by the bite-raising technique...
May 2, 2017: Angle Orthodontist
https://www.readbyqxmd.com/read/28460256/12-month-patterns-of-serum-markers-of-collagen-synthesis-transforming-growth-factor-and-connective-tissue-growth-factor-are-similar-in-new-onset-and-chronic-dilated-cardiomyopathy-in-patients-both-with-and-without-cardiac-fibrosis
#20
Paweł Rubiś, Sylwia Wiśniowska-Smiałek, Ewa Wypasek, Lucyna Rudnicka-Sosin, Marta Hlawaty, Agata Leśniak-Sobelga, Magdalena Kostkiewicz, Piotr Podolec
BACKGROUND: The dynamics of the extracellular matrix (ECM) fibrosis process in dilated cardiomyopathy (DCM) may be assessed non-invasively by means of serum markers of fibrosis. AIM: To explore the kinetics of serum markers of fibrosis during a 12-month follow-up in DCM. METHODS: We included 70 consecutive DCM patients (pts) (48±12.1years, EF 24.4±7.4%) with new-onset (n=35, duration <6months) and chronic DCM (n=35, >6months). Markers of collagen type I and III synthesis - procollagens type I and III carboxy- and amino-terminal peptides (PICP, PINP, PIIICP, PIIINP), and ECM metabolism controlling factors - tumor growth factor beta-1 (TGF1-β), and connective tissue growth factor (CTGF) - were measured in serum at baseline, and at 3- and 12-month follow-up...
April 28, 2017: Cytokine
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