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Smad3 AND Beta cells

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https://www.readbyqxmd.com/read/29704139/anti-fibrogenic-potential-of-mesenchymal-stromal-cells-in-treating-fibrosis-in-crohn-s-disease
#1
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/29693337/impact-of-mesenchymal-stem-cells-and-vitamin-d-on-transforming-growth-factor-beta-signaling-pathway-in-hepatocellular-carcinoma-in-rats
#2
Shimaa Saad El-Din, Hanan Fouad, Laila Ahmed Rashed, Soheir Mahfouz, Rania Elsayed Hussein
Background: Transforming growth factor-beta (TGF-β) signaling is recognized as being critical for carcinogenesis. Vitamin D has proved to exert numerous tumor suppressive effects. Effects of bone marrow derived mesenchymal stem cells (BM-MSCs) on tumor progression are still controversial. The present study was conducted to evaluate the effects of BM-MSCs and vitamin D on TGF-β signaling in an experimental hepatocellular carcinoma (HCC) model in rats. Materials and Methods: The study was conducted on fifty female white albino rats divided equally into 5 groups: controls, HCC induced by diethyl-nitrosamine (DENA) and carbon tetrachloride (CCl4), HCC plus MSCs, HCC plus vitamin D and HCC plus both MSCs and vitamin D...
April 25, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29588073/mir-22-regulates-c2c12-myoblast-proliferation-and-differentiation-by-targeting-tgfbr1
#3
Han Wang, Qian Zhang, BinBin Wang, WangJun Wu, Julong Wei, Pinghua Li, Ruihua Huang
Recently, miR-22 was found to be differentially expressed in different skeletal muscle growth period, indicated that it might have function in skeletal muscle myogenesis. In this study, we found that the expression of miR-22 was the most in skeletal muscle and was gradually up-regulated during mouse myoblast cell (C2C12 myoblast cell line) differentiation. Overexpression of miR-22 repressed C2C12 myoblast proliferation and promoted myoblast differentiation into myotubes, whereas inhibition of miR-22 showed the opposite results...
March 21, 2018: European Journal of Cell Biology
https://www.readbyqxmd.com/read/29581863/reduced-smad2-3-activation-independently-predicts-increased-depth-of-human-cutaneous-squamous-cell-carcinoma
#4
Aidan M Rose, Lindsay C Spender, Christopher Stephen, Alastair Mitchell, William Rickaby, Susan Bray, Alan T Evans, Jasbani Dayal, Karin J Purdie, Catherine A Harwood, Charlotte M Proby, Irene M Leigh, Philip J Coates, Gareth J Inman
The incidence of cutaneous squamous cell carcinoma (cSCC) is rising. Whilst the majority are cured surgically, aggressive metastatic cSCC carry a poor prognosis. Inactivating mutations in transforming growth factor beta (TGF-β) receptors have been identified amongst genetic drivers of sporadic tumours and murine models of cSCC, suggesting a tumour suppressor function for TGF-β in normal skin. However, paradoxically, TGF-β acts as a tumour promoter in some murine model systems. Few studies have analysed the role of TGF-β/activin signalling in human normal skin, hyper-proliferative skin disorders and cSCC...
March 6, 2018: Oncotarget
https://www.readbyqxmd.com/read/29530599/the-glucagon-like-peptide-1-glp-1-analog-liraglutide-attenuates-renal-fibrosis
#5
Ya-Kun Li, Dong-Xia Ma, Zhi-Min Wang, Xiao-Fan Hu, Shang-Lin Li, Hong-Zhe Tian, Meng-Jun Wang, Yan-Wen Shu, Jun Yang
Renal fibrosis is recognized as the common route of all chronic kidney disease (CKD) progressing to end-stage renal disease (ESRD). Additionally, accumulating evidence suggests that epithelial-mesenchymal transition (EMT) plays a significant role in the process of renal fibrogenesis. Liraglutide is a long-acting glucagon-like peptide-1 (GLP-1) analog that has been widely used to treat type 2 diabetes. Recent studies have demonstrated that the GLP-1 analogs could also exert protective effects in cardiac fibrosis models...
May 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29505748/neuronal-transforming-growth-factor-beta-signaling-via-smad3-contributes-to-pain-in-animal-models-of-chronic-pancreatitis
#6
Liansheng Liu, Yaohui Zhu, Michaël Noë, Qian Li, Pankaj Jay Pasricha
BACKGROUND & AIMS: Chronic pancreatitis (CP) is characterized by pancreatic inflammation and fibrosis, associated with increased pancreatic expression of transforming growth factor beta (TGFB). It is not clear how these might contribute to pain. We investigated whether TGFB signaling via SMAD induces sensitization of pancreatic sensory neurons to increase nociception. METHODS: CP was induced in Sprague-Dawley rats by infusion of trinitrobenzene sulfonic acid; some rats were given intrathecal infusions of TGFB1...
March 2, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29487805/anti-fibrotic-effect-of-rosmarinic-acid-on-inhibition-of-pterygium-epithelial-cells
#7
Ya-Yu Chen, Chia-Fang Tsai, Ming-Chu Tsai, Wen-Kang Chen, Yu-Wen Hsu, Fung-Jou Lu
AIM: To investigate the anti-fibrosis effect of rosmarinic acid (RA) in pterygium epithelial cells (PECs) to determine if RA is a potent agent for treating pterygium. METHODS: The PECs (1×104 cells/mL) were treated with 100 µmol/L of RA for 1, 3 and 6h. After RA treatment, the cell viability was determined by staining with acridine orange/DAPI and analysis via a NucleoCounter NC-3000. The protein expression levels of type I collagen, transforming growth factor beta-1 (TGF-β1), TGF-β type II receptor (TGF-βRII), p-Smad1/5, p-Smad2, p-Smad3, and Smad4 of the cell lysates were measured by Western blot analysis...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29435202/podocyte-derived-microparticles-promote-proximal-tubule-fibrotic-signaling-via-p38-mapk-and-cd36
#8
Mercedes N Munkonda, Shareef Akbari, Chloe Landry, Suzy Sun, Fengxia Xiao, Maddison Turner, Chet E Holterman, Rania Nasrallah, Richard L Hébert, Christopher R J Kennedy, Dylan Burger
Tubulointerstitial fibrosis is a hallmark of advanced diabetic kidney disease that is linked to a decline in renal function, however the pathogenic mechanisms are poorly understood. Microparticles (MPs) are 100-1000 nm vesicles shed from injured cells that are implicated in intercellular signalling. Our lab recently observed the formation of MPs from podocytes and their release into urine of animal models of type 1 and 2 diabetes and in humans with type 1 diabetes. The purpose of the present study was to examine the role of podocyte MPs in tubular epithelial cell fibrotic responses...
2018: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/29406185/differential-effects-of-sevoflurane-on-the-metastatic-potential-and-chemosensitivity-of-non-small-cell-lung-adenocarcinoma-and-renal-cell-carcinoma-in-vitro
#9
S Ciechanowicz, H Zhao, Q Chen, J Cui, E Mi, E Mi, Q Lian, D Ma
BACKGROUND: Increasing evidence suggests that perioperative factors including anaesthetics influence cancer recurrence and metastasis after surgery. This study investigated the influence of sevoflurane on the response of lung and renal cancer cells to cisplatin, with focus on transforming growth factor-beta (TGF-β) and osteopontin (OPN) that are both closely associated with cancer tumorigenesis and metastasis. METHODS: Non-small cell lung adenocarcinoma (A549) and renal cell carcinoma (RCC4) cells were exposed to 3...
February 2018: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/29215776/tgf-%C3%AE-transactivates-egfr-and-facilitates-breast-cancer-migration-and-invasion-through-canonical-smad3-and-erk-sp1-signaling-pathways
#10
Yuanyuan Zhao, Jing Ma, Yanling Fan, Zhiyong Wang, Ran Tian, Wei Ji, Fei Zhang, Ruifang Niu
Transforming growth factor-beta (TGF-β) functions as a potent proliferation inhibitor and apoptosis inducer in the early stages of breast cancer, yet promotes cancer aggressiveness in the advanced stages. The dual effect of TGF-β on cancer development is known as TGF-β paradox, and the remarkable functional conversion of TGF-β is a pivotal and controversial phenomenon that has been widely investigated for decades. This phenomenon may be attributed to the cross talk between TGF-β signaling and other pathways, including EGF receptor (EGFR) signaling during cancer progression...
March 2018: Molecular Oncology
https://www.readbyqxmd.com/read/29209813/fsp1-specific-smad2-knockout-in-renal-tubular-endothelial-and-interstitial-cells-reduces-fibrosis-and-epithelial-to-mesenchymal-transition-in-murine-stz-induced-diabetic-nephropathy
#11
Ivonne Loeffler, Marita Liebisch, Stefanie Allert, Elke Kunisch, Raimund W Kinne, Gunter Wolf
Extracellular matrix deposition during tubulointerstitial fibrosis (TIF), a central pathological process in patients with diabetic nephropathy (DN), is driven by locally activated, disease-relevant myofibroblasts. Myofibroblasts can arise from various cellular sources, e.g., tubular epithelial cells via a process named epithelial-to-mesenchymal transition (EMT). Transforming growth factor beta 1 (TGF-β1) and its downstream Smad signaling play a critical role in both TIF and EMT. Whereas Smad3 is one central mediator, the role of the other prominently expressed variant, Smad2, is not completely understood...
December 6, 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/29158824/dioscin-exerts-protective-effects-against-crystalline-silica-induced-pulmonary-fibrosis-in-mice
#12
Chao Li, Yiping Lu, Sitong Du, Siyi Li, Yiting Zhang, Fangwei Liu, Ying Chen, Dong Weng, Jie Chen
Inhalation of crystalline silica particles leads to pulmonary fibrosis, eventually resulting in respiratory failure and death. There are few effective drugs that can delay the progression of this disease; thus, patients with silicosis are usually only offered supportive care. Dioscin, a steroidal saponin, exhibits many biological activities and health benefits including its protective effects against hepatic fibrosis. However, the effect of dioscin on silicosis is unknown. METHODS: We employed experimental mouse mode of silicosis...
2017: Theranostics
https://www.readbyqxmd.com/read/29136085/transforming-growth-factor-beta1-from-endometriomas-promotes-fibrosis-in-surrounding-ovarian-tissues-via-smad2-3-signaling
#13
Li Bing Shi, Feng Zhou, Hai Yan Zhu, Dong Huang, Xiao Ying Jin, Chao Li, Yongdong Dai, Yi Bin Pan, Song Ying Zhang
To elucidate whether the endometriotic cells of endometriomas synthesize transforming growth factor beta1 (TGF-beta1) and understand how it affects surrounding ovarian tissue. We collected biopsies of the cystic walls from 42 endometriomas and 29 mature teratomas and compared mRNA and protein expression of fibrosis-related factors between the cystic walls. Then we detected TGFB1 mRNA synthesis in endometriomas, and tested TGF-beta1 fibrotic effect in vitro. Moreover, we verified the expression of Smad2/3 signaling components in the endometriotic cystic wall in order to understand whether TGF-beta1/Smad signaling is involved in fibrosis formation of the tissue surrounding endometriomas...
January 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29126441/tgf%C3%AE-3-recruits-endogenous-mesenchymal-stem-cells-to-initiate-bone-regeneration
#14
Moyuan Deng, Tieniu Mei, Tianyong Hou, Keyu Luo, Fei Luo, Aijun Yang, Bo Yu, Hao Pang, Shiwu Dong, Jianzhong Xu
BACKGROUND: The recruitment of a sufficient number of endogenous mesenchymal stem cells (MSCs) is the first stage of in-situ tissue regeneration. Transforming growth factor beta-3 (TGFβ3) could recruit stem or progenitor cells and endothelial cells to participate in tissue regeneration. However, the mechanism of TGFβ3 recruiting MSCs toward bone regeneration has remained obscure. METHODS: We estimated the promigratory property of TGFβ3 on human bone marrow MSCs (hBMSCs) cocultured with the vascular cells (human umbilical artery smooth muscle cells or human umbilical vein endothelial cells) or not by Transwell assay...
November 10, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29123266/sox5-contributes-to-prostate-cancer-metastasis-and-is-a-master-regulator-of-tgf-%C3%AE-induced-epithelial-mesenchymal-transition-through-controlling-twist1-expression
#15
Jieping Hu, Jing Tian, Shimiao Zhu, Libin Sun, Jianpeng Yu, Hao Tian, Qian Dong, Qiang Luo, Ning Jiang, Yuanjie Niu, Zhiqun Shang
BACKGROUND: Metastatic castration-resistant prostate cancer (mCRPC) is one of the main contributors to the death of prostate cancer patients. To date, the detailed molecular mechanisms underlying mCRPC are unclear. Given the crucial role of epithelial-mesenchymal transition (EMT) in cancer metastasis, we aimed to analyse the expression and function of Transforming growth factor-beta (TGF-β) signal-associated protein named Sox5 in mCRPC. METHODS: The protein expression levels were analysed by western blot, immunohistochemistry and immunofluorescence...
January 2018: British Journal of Cancer
https://www.readbyqxmd.com/read/29025069/wnk-lysine-deficient-protein-kinase-1-regulates-human-endometrial-stromal-cell-decidualization-proliferation-and-migration-in-part-through-mitogen-activated-protein-kinase-7
#16
Nyssa R Adams, Yasmin M Vasquez, Qianxing Mo, William Gibbons, Ertug Kovanci, Francesco J DeMayo
The differentiation of endometrial stromal cells into decidual cells, termed decidualization, is an integral step in the establishment of pregnancy. The mitogen-activated protein kinase homolog, WNK lysine deficient protein kinase 1 (WNK1), is activated downstream of epidermal growth factor receptor during decidualization. Primary human endometrial stromal cells (HESCs) were subjected to small interfering RNA knockdown of WNK1 followed by in vitro decidualization. This abrogated expression of the decidual marker genes, insulin like growth factor binding protein 1 (IGFBP1) and prolactin (PRL), and prevented adoption of decidual cell morphology...
September 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/28984468/tgf-%C3%AE-1-evokes-human-airway-smooth-muscle-cell-shortening-and-hyperresponsiveness-via-smad3
#17
Christie A Ojiaku, Gaoyuan Cao, Wanqu Zhu, Edwin J Yoo, Maya Shumyatcher, Blanca E Himes, Steven S An, Reynold A Panettieri
Transforming growth factor β1 (TGF-β1), a cytokine whose levels are elevated in the airways of patients with asthma, perpetuates airway inflammation and modulates airway structural cell remodeling. However, the role of TGF-β1 in excessive airway narrowing in asthma, or airway hyperresponsiveness (AHR), remains unclear. In this study, we set out to investigate the direct effects of TGF-β1 on human airway smooth muscle (HASM) cell shortening and hyperresponsiveness. The dynamics of AHR and single-cell excitation-contraction coupling were measured in human precision-cut lung slices and in isolated HASM cells using supravital microscopy and magnetic twisting cytometry, respectively...
May 2018: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28967702/a-snp-uncoupling-mina-expression-from-the-tgf%C3%AE-signaling-pathway
#18
Shang L Lian, Belgacem Mihi, Madoka Koyanagi, Toshinori Nakayama, Mark Bix
INTRODUCTION: Mina is a JmjC family 2-oxoglutarate oxygenase with pleiotropic roles in cell proliferation, cancer, T cell differentiation, pulmonary inflammation, and intestinal parasite expulsion. Although Mina expression varies according to cell-type, developmental stage and activation state, its transcriptional regulation is poorly understood. Across inbred mouse strains, Mina protein level exhibits a bimodal distribution, correlating with inheritance of a biallelic haplotype block comprising 21 promoter/intron 1-region SNPs...
March 2018: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/28943409/interleukin-1-%C3%AE-induced-smad2-3-linker-modifications-are-tak1-dependent-and-delay-tgf%C3%AE-signaling-in-primary-human-mesenchymal-stem-cells
#19
Guus G van den Akker, Henk M van Beuningen, Elly L Vitters, Marije I Koenders, Fons A van de Loo, Peter L van Lent, Esmeralda N Blaney Davidson, Peter M van der Kraan
BACKGROUND: Chondrogenic differentiation of mesenchymal stem cells (MSC) requires transforming growth factor beta (TGFβ) signaling. TGFβ binds to the type I receptor activin-like kinase (ALK)5 and results in C-terminal SMAD2/3 phosphorylation (pSMAD2/3C). In turn pSMAD2/3C translocates to the nucleus and regulates target gene expression. Inflammatory mediators are known to exert an inhibitory effect on MSC differentiation. In this study we investigated the effect of interleukin 1 β (IL1β) on SMAD2/3 signaling dynamics and post-translational modifications...
December 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28918914/analysis-of-genomes-and-transcriptomes-of-hepatocellular-carcinomas-identifies-mutations-and-gene-expression-changes-in-the-transforming-growth-factor-%C3%AE-pathway
#20
Jian Chen, Sobia Zaidi, Shuyun Rao, Jiun-Sheng Chen, Liem Phan, Patrizia Farci, Xiaoping Su, Kirti Shetty, Jon White, Fausto Zamboni, Xifeng Wu, Asif Rashid, Nagarajan Pattabiraman, Raja Mazumder, Anelia Horvath, Ray-Chang Wu, Shulin Li, Cuiying Xiao, Chu-Xia Deng, David A Wheeler, Bibhuti Mishra, Rehan Akbani, Lopa Mishra
BACKGROUND & AIMS: Development of hepatocellular carcinoma (HCC) is associated with alterations in the transforming growth factor-beta (TGF-β) signaling pathway, which regulates liver inflammation and can have tumor suppressor or promoter activities. Little is known about the roles of specific members of this pathway at specific of HCC development. We took an integrated approach to identify and validate the effects of changes in this pathway in HCC and identify therapeutic targets...
January 2018: Gastroenterology
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