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https://www.readbyqxmd.com/read/29777737/type-i-collagen-induces-mesenchymal-cell-differentiation-into-myofibroblasts-through-yap-induced-tgf-%C3%AE-1-activation
#1
Xiaoling Liu, Xinyu Long, Weiwei Liu, Yeli Zhao, Toshihiko Hayashi, Masayuki Yamato, Kazunori Mizuno, Hitomi Fujisaki, Shunji Hattori, Shin-Ichi Tashiro, Takaaki Ogura, Yuji Atsuzawa, Takashi Ikejima
In organ fibrosis, mechanical stress and transforming growth factor beta-1 (TGF-β1) promote differentiation into myofibroblast from mesenchymal cells, leading to extracellular matrix (ECM) remodeling or active synthesis, deposition or degradation of ECM components. A major component of ECM, type I collagen (col I) triple helical molecules assemble into fibrils or are denatured to gelatin without triple-helicity in remodeling. However, whether changes of ECM components in remodeling have influence on mesenchymal cell differentiation remains elusive...
May 16, 2018: Biochimie
https://www.readbyqxmd.com/read/29770908/level-of-hydrogen-peroxide-affects-expression-and-sub-cellular-localization-of-pax6
#2
Sachin Shukla, Rajnikant Mishra
The Pax6 is a multifunctional pairedbox and homeobox containing transcription factor which is involved in several functions of brain, eyes, and pancreas. It regulates expression of genes involved in cell proliferation, differentiation, inflammation, oxidative stress management, and neuropathy. Dynamic changes in the sub-cellular localization of Pax6 are proposed to regulate its activity, however, the underlying mechanism remains poorly understood. The oxidative stress mediated changes were studied in sub-cellular localization of Pax6 in cultured cells derived from the eye (cornea) and pancreas...
May 16, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/29767241/transcriptome-sequencing-analysis-reveals-the-effect-of-combinative-treatment-with-low%C3%A2-intensity-pulsed-ultrasound-and-magnesium-ions-on-hfob1-19-human-osteoblast-cells
#3
Haiyue Zu, Xueting Yi, Dewei Zhao
Biodegradable magnesium (Mg) materials are considered ideal as osteosynthesis implants. However, clinical application has proven complex. This is primarily associated with the issue of reducing the extent of implant degradation to a range acceptable for the human body, while simultaneously enhancing osteogenesis or osteoinduction. In the present study, a combination of Mg ions and low‑intensity pulsed ultrasound (LIPUS) treatment was applied in hFOB 1.19 human osteoblast cells as a potential strategy to resolve this issue...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29753615/targeting-the-proinflammatory-cytokines-oxidative-stress-apoptosis-and-tgf-%C3%AE-1-stat-3-signaling-by-irbesartan-to-ameliorate-doxorubicin-induced-hepatotoxicity
#4
Ahmed M Kabel, Abdulaziz A Alzahrani, Nawaf M Bawazir, Rayan O Khawtani, Hany H Arab
Doxorubicin (DOX) is an anthracycline antibiotic that is used frequently for treatment of various types of malignancies. Hepatotoxicity is one of the serious complications of DOX. The aim of this study was to explore the effect of different doses of irbesartan on doxorubicin-induced hepatotoxicity in mice. Sixty male BALB/c mice were divided into six equal groups as follows: Control group; DOX group; Irbesartan (Small dose) group; Irbesartan (Large dose) group; DOX + Irbesartan (Small dose) group and DOX + Irbesartan (Large dose) group...
May 9, 2018: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/29748374/the-microrna-371-373-cluster-represses-colon-cancer-initiation-and-metastatic-colonization-by-inhibiting-the-tgfbr2-id1-signaling-axis
#5
Pit Ullmann, Fabien Rodriguez, Martine Schmitz, Steffen K Meurer, Komal Qureshi-Baig, Paul Felten, Aurélien Ginolhac, Laurent Antunes, Sonia Frasquilho, Nikolaus Zügel, Ralf Weiskirchen, Serge Haan, Elisabeth Letellier
The vast majority of colorectal cancer (CRC)-related deaths can be attributed to metastatic spreading of the disease. Therefore, deciphering molecular mechanisms of metastatic dissemination is a key prerequisite to improve future treatment options. With this aim, we took advantage of different CRC cell lines and recently established primary cultures enriched in colon cancer stem cells (CSCs) - also known as tumor-initiating cells (TICs) - to identify genes and microRNAs (miRNAs) with regulatory functions in CRC progression...
May 10, 2018: Cancer Research
https://www.readbyqxmd.com/read/29747422/role-of-bone-morphogenetic-protein-7-bmp7-in-the-modulation-of-corneal-stromal-and-epithelial-cell-functions
#6
Bhavani S Kowtharapu, Ruby Kala Prakasam, Radovan Murín, Dirk Koczan, Thomas Stahnke, Andreas Wree, Anselm G M Jünemann, Oliver Stachs
In the cornea, healing of the wounded avascular surface is an intricate process comprising the involvement of epithelial, stromal and neuronal cell interactions. These interactions result to the release of various growth factors that play prominent roles during corneal wound healing response. Bone morphogenetic proteins (BMPs) are unique multi-functional potent growth factors of the transforming growth factor-beta (TGF-β) superfamily. Treatment of corneal epithelial cells with substance P and nerve growth factor resulted to an increase in the expression of BMP7 mRNA...
May 9, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29739329/thrombin-and-factor-xa-link-the-coagulation-system-with-liver-fibrosis
#7
Ameet Dhar, Fouzia Sadiq, Quentin M Anstee, Adam P Levene, Robert D Goldin, Mark R Thursz
BACKGROUND: Thrombin activates hepatic stellate cells via protease-activated receptor-1. The role of Factor Xa (FXa) in hepatic fibrosis has not been elucidated. We aimed to evaluate the impact of FXa and thrombin in vitro on stellate cells and their respective inhibition in vivo using a rodent model of hepatic fibrosis. METHODS: HSC-LX2 cells were incubated with FXa and/or thrombin in cell culture, stained for αSMA and relative gene expression and gel contraction calculated...
May 8, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29735800/potential-molecular-targets-of-statins-in-the-prevention-of-hepatocarcinogenesis
#8
Ezequiel Ridruejo, Giselle Romero-Caími, María J Obregón, Diana Kleiman de Pisarev, Laura Alvarez
Hepatocellular carcinoma (HCC) represents 90% of liver tumors. Statins, may reduce the incidence of various tumors, including HCC. Antitumoral activities may be mediated by changes in transforming growth factor-beta (TGF-β1) and thyroid hormones (TH) regulation. AIM: The aim of our study is to establish the statins mechanism of action and the potential key molecules involved in an in vivo and in vitro HCC model. MATERIALS AND METHODS: We used two models: in vivo (in rats) using diethylnitrosamine (DEN) and hexachlorobenzene (HCB) to develop HCC, we analyzed cell proliferation parameters (proliferating cell nuclear antigen, PCNA) and cholesterol metabolism (hydroxy-methylglutaryl-CoA reductase, HMGCoAR)...
April 9, 2018: Annals of Hepatology
https://www.readbyqxmd.com/read/29726981/dickkopf-3-in-aberrant-endothelial-secretome-triggers-renal-fibroblast-activation-and-endothelial-mesenchymal-transition
#9
Mark Lipphardt, Hassan Dihazi, Noo Li Jeon, Sina Dadafarin, Brian B Ratliff, David W Rowe, Gerhard A Müller, Michael S Goligorsky
Background: Our laboratory has previously demonstrated that Sirt1endo-/- mice show endothelial dysfunction and exaggerated renal fibrosis, whereas mice with silenced endothelial transforming growth factor beta (TGF-β) signaling are resistant to fibrogenic signals. Considering the fact that the only difference between these mutant mice is confined to the vascular endothelium, this indicates that secreted substances contribute to these contrasting responses. Methods: We performed an unbiased proteomic analysis of the secretome of renal microvascular endothelial cells (RMVECs) isolated from these two mutants...
May 3, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29723998/the-ebv-encoded-oncoprotein-lmp1-induces-an-epithelial-to-mesenchymal-transition-emt-via-its-ctar1-domain-through-integrin-mediated-erk-mapk-signalling
#10
Mhairi A Morris, Louise Laverick, Wenbin Wei, Alexandra M Davis, Samantha O'Neill, Liam Wood, Jack Wright, Christopher W Dawson, Lawrence S Young
The Epstein⁻Barr virus (EBV)-encoded latent membrane protein 1 (LMP1) oncogene can induce profound effects on epithelial growth and differentiation including many of the features of the epithelial-to-mesenchymal transition (EMT). To better characterise these effects, we used the well-defined Madin Darby Canine Kidney (MDCK) epithelial cell model and found that LMP1 expression in these cells induces EMT as defined by characteristic morphological changes accompanied by loss of E-cadherin, desmosomal cadherin and tight junction protein expression...
May 1, 2018: Cancers
https://www.readbyqxmd.com/read/29723859/upregulation-of-nox2-and-nox4-mediated-by-tgf-%C3%AE-signaling-pathway-exacerbates-cerebral-ischemia-reperfusion-oxidative-stress-injury
#11
Zheng Lou, Ai-Ping Wang, Xiao-Ming Duan, Guo-Huang Hu, Gui-Lin Song, Mei-Ling Zuo, Zhong-Bao Yang
BACKGROUND/AIMS: Ischemic stroke is still one of the leading debilitating diseases with high morbidity and mortality. NADPH oxidase (NOX)-derived reactive oxygen species (ROS) play an important role in cerebral ischemia/reperfusion (I/R) injury. However, the mechanism underlying the regulation of ROS generation is still not fully elucidated. This study aims to explore the role of transforming growth beta (TGF-β) signals in ROS generation. METHODS: Sprague-Dawley rats were subjected to I/R injury, and PC-12 cells were challenged by hypoxia/reoxygenation (H/R) and/or treated with activin receptor-like kinase (ALK5) inhibitor Sb505124 or siRNA against ALK5...
2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29720405/-smad4-dpc4
#12
REVIEW
Aoife J McCarthy, Runjan Chetty
Smad4 or DPC4 belongs to a family of signal transduction proteins that are phosphorylated and activated by transmembrane serine-threonine receptor kinases in response to transforming growth factor beta (TGF-β) signaling via several pathways. The gene acts as a tumour suppressor gene and inactivation of smad4/DPC4 is best recognised in pancreatic cancer. However, smad4/DPC4 is also mutated in other conditions and cancers such as juvenile polyposis syndrome with and without hereditary haemorrhagic telangiectasia, colorectal and prostate cancers...
May 2, 2018: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29718995/correction-inhibiting-tgf-beta-signaling-preserves-the-function-of-highly-activated-in-vitro-expanded-natural-killer-cells-in-aml-and-colon-cancer-models
#13
Folashade Otegbeye, Evelyn Ojo, Stephen Moreton, Nathan Mackowski, Dean A Lee, Marcos de Lima, David N Wald
[This corrects the article DOI: 10.1371/journal.pone.0191358.].
2018: PloS One
https://www.readbyqxmd.com/read/29705848/how-to-monitor-the-neuroimmune-biological-response-in-patients-affected-by-immune-alteration-related-systemic-diseases
#14
Paolo Lissoni, Franco Rovelli, Luigi Vigorè, Giusy Messina, Arianna Lissoni, Giorgio Porro, Giuseppe Di Fede
The clinical management of patients affected by systemic diseases, including cancer and autoimmune diseases, is generally founded on the evaluation of the only markers related to the single disease rather than the biological immuno-inflammatory response of patients, despite the fundamental role of cytokine network in the pathogenesis of cancer and autoimmunity is well known. Cancer progression has appeared to be associated with a progressive decline in the blood levels of the main antitumor cytokines, including IL-2 and IL-12, in association with an increase in those of inflammatory cytokines, including IL-6, TNF-alpha, and IL-1-beta, and immunosuppressive cytokines, namely TGF-beta and IL-10...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29704139/anti-fibrogenic-potential-of-mesenchymal-stromal-cells-in-treating-fibrosis-in-crohn-s-disease
#15
Lei Lian, Qunsheng Huang, Longjuan Zhang, Huabo Qin, Xiaosheng He, Xin He, Jia Ke, Minghao Xie, Ping Lan
BACKGROUND: Intestinal fibrosis is a major complication of CD and may result in stricture formation leading to intestinal obstruction. MSCs play multiple roles in active CD and fibrosis-associated diseases. AIMS: This study was designed to investigate the role of MSCs in CD-associated intestinal fibrosis. METHODS: Intestinal fibrosis was induced over 7 weeks of enema with increasing doses of TNBS and assessed by Masson's trichrome staining...
April 27, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29701666/tgf-%C3%AE-and-the-tissue-microenvironment-relevance-in-fibrosis-and-cancer
#16
REVIEW
Laia Caja, Francesco Dituri, Serena Mancarella, Daniel Caballero-Diaz, Aristidis Moustakas, Gianluigi Giannelli, Isabel Fabregat
Transforming growth factor-β (TGF-β) is a cytokine essential for the induction of the fibrotic response and for the activation of the cancer stroma. Strong evidence suggests that a strong cross-talk exists among TGF-β and the tissue extracellular matrix components. TGF-β is stored in the matrix as part of a large latent complex bound to the latent TGF-β binding protein (LTBP) and matrix binding of latent TGF-β complexes, which is required for an adequate TGF-β function...
April 26, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29700311/increased-transforming-growth-factor-beta-tgf-%C3%AE-and-psmad3-signaling-in-a-murine-model-for-contrast-induced-kidney-injury
#17
Sreenivasulu Kilari, Binxia Yang, Amit Sharma, Deborah L McCall, Sanjay Misra
We tested the hypothesis that post-contrast acute kidney injury (PC-AKI) occurs due to increase in transforming growth factor beta (Tgf-β) and pSMAD3 signaling in a murine model of PC-AKI. Mice had nephrectomy performed and twenty-eight days later, 100-μL of radio-contrast (Vispaque 320) or saline was administered via the jugular vein. Animals were sacrificed at 2, 7, and 28 days later and the serum BUN, creatinine, urine protein levels, and kidney weights were assessed. In human kidney-2 (HK-2) cells, gene and protein expression with cellular function was assessed following inhibition of TGFβR-1 plus contrast exposure...
April 26, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29699384/tgf-%C3%AE-induces-smad2-phosphorylation-are-induction-and-trophoblast-differentiation
#18
Renee E Albers, Kaisa Selesniemi, David R C Natale, Thomas L Brown
Background: Transforming growth factor beta (TGF-β) signaling has been shown to control a large number of critical cellular actions such as cell death, differentiation, and development and has been implicated as a major regulator of placental function. SM10 cells are a mouse placental progenitor cell line, which has been previously shown to differentiate into nutrient transporting, labyrinthine-like cells upon treatment with TGF-β. However, the signal transduction pathway activated by TGF-β to induce SM10 progenitor differentiation has yet to be fully investigated...
April 30, 2018: International Journal of Stem Cells
https://www.readbyqxmd.com/read/29696080/therapeutic-effects-of-serum-extracellular-vesicles-in-liver-fibrosis
#19
Li Chen, Ruju Chen, Sherri Kemper, Min Cong, Hong You, David R Brigstock
The lack of approved therapies for hepatic fibrosis seriously limits medical management of patients with chronic liver disease. Since extracellular vesicles (EVs) function as conduits for intercellular molecular transfer, we investigated if EVs from healthy individuals have anti-fibrotic properties. Hepatic fibrogenesis or fibrosis in carbon tetrachloride (CCl4 )- or thioacetic acid-induced liver injury models in male or female mice were suppressed by serum EVs from normal mice (EVN) but not from fibrotic mice (EVF)...
2018: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/29695674/induction-of-myosin-light-chain-kinase-and-cpi-17-by-tgf-%C3%AE-accelerates-contractile-activity-in-intestinal-epithelial-cells
#20
Md Shafiqul Islam, Noriyuki Kaji, Shoma Mikawa, Qunhui Yang, Moriaki Kusabe, Masatoshi Hori, Hiroshi Ozaki
Epithelial-mesenchymal transition (EMT) is an orchestral and functional change in epithelial cells. Many signaling pathways are involved in EMT, and transforming growth factor-beta (TGF-β) is considered to be one of the most important factors in induction of EMT. In this study, we treated the rat intestinal epithelial cell line (IEC-6) with TGF-β1 as a signaling stimulant. Gross analysis of IEC-6 cells showed typical characteristics of epithelial cells such as cuboidal morphology and cell-cell contact, whereas treatment with TGF-β1 (10 ng·ml-1 ) for 7 days produced robust, spindle-shaped morphology...
April 24, 2018: Journal of Veterinary Medical Science
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