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https://www.readbyqxmd.com/read/27916556/micrornas-mediated-epithelial-mesenchymal-transition-in-fibrotic-diseases
#1
REVIEW
Xiao-Zhou Zou, Ting Liu, Zhi-Cheng Gong, Chang-Ping Hu, Zheng Zhang
MicroRNAs (miRNAs), a large family of small and highly conserved non-coding RNAs, regulate gene expression through translational repression or mRNA degradation. Aberrant expression of miRNAs underlies a spectrum of diseases including organ fibrosis. Recent evidence suggests that miRNAs contribute to organ fibrosis through mediating epithelial-mesenchymal transition (EMT). Alleviation of EMT has been proposed as a promising strategy against fibrotic diseases given the key role of EMT in fibrosis. miRNAs impact the expression of specific ligands, receptors, and signaling pathways, thus modulating EMT and consequently influencing fibrosis...
December 1, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27902771/piceatannol-attenuates-renal-fibrosis-induced-by-unilateral-ureteral-obstruction-via-downregulation-of-histone-deacetylase-4-5-or-p38-mapk-signaling
#2
Sin Young Choi, Zhe Hao Piao, Li Jin, Jung Ha Kim, Gwi Ran Kim, Yuhee Ryu, Ming Quan Lin, Hyung-Seok Kim, Hae Jin Kee, Myung Ho Jeong
Piceatannol, a resveratrol metabolite, is a phenolic compound found in red wine and grapes. We investigated the effect of piceatannol on renal fibrosis and histone deacetylase (HDAC) expression in a mouse model of unilateral ureteral obstruction (UUO). Fibrosis was established by UUO and piceatannol was intraperitoneally injected for 2 weeks. Piceatannol suppressed extracellular matrix (ECM) protein deposition including collagen type I and fibronectin as well as connective tissue growth factor (CTGF) and α-smooth muscle actin (α-SMA) in UUO kidneys...
2016: PloS One
https://www.readbyqxmd.com/read/27886164/fumarate-drives-emt-in-renal-cancer
#3
Marco Sciacovelli, Christian Frezza
No abstract text is available yet for this article.
November 25, 2016: Cell Death and Differentiation
https://www.readbyqxmd.com/read/27874055/the-coordinated-roles-of-mir-26a-and-mir-30c-in-regulating-tgf%C3%AE-1-induced-epithelial-to-mesenchymal-transition-in-diabetic-nephropathy
#4
Zongji Zheng, Meiping Guan, Yijie Jia, Dan Wang, Ruoyu Pang, Fuping Lv, Zhizhou Xiao, Ling Wang, Hongbin Zhang, Yaoming Xue
MicroRNAs (miRNAs) play vital roles in the development of diabetic nephropathy. Here, we compared the protective efficacies of miR-26a and miR-30c in renal tubular epithelial cells (NRK-52E) and determined whether they demonstrated additive effects in the attenuation of renal fibrosis. TGFβ1 suppressed miR-26a and miR-30c expression but up-regulated pro-fibrotic markers in NRK-52E cells, and these changes were also found in the kidney cortex of 40-week-old diabetic Otsuka Long-Evans Tokushima fatty (OLETF) rats...
November 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27871329/high-expression-of-epb41l5-an-integral-component-of-the-arf6-driven-mesenchymal-program-correlates-with-poor-prognosis-of-squamous-cell-carcinoma-of-the-tongue
#5
Yutaro Otsuka, Hiroki Sato, Tsukasa Oikawa, Yasuhito Onodera, Jin-Min Nam, Ari Hashimoto, Kiyoshi Fukunaga, Kanako C Hatanaka, Yutaka Hatanaka, Yoshihiro Matsuno, Satoshi Fukuda, Hisataka Sabe
BACKGROUND: Squamous cell carcinoma of the tongue (tongue SCC) is a major subtype of head and neck squamous cell carcinoma (HNSCC), which is an intractable cancer under current therapeutics. ARF6 and its effector AMAP1 are often overexpressed in different types of cancers, such as breast cancer and renal cancer, and in these cancers, AMAP1 binds to EPB41L5 to promote invasion, metastasis, and drug resistance. EPB41L5 is a mesenchymal-specific protein, normally induced during epithelial-mesenchymal transition (EMT) to promote focal adhesion dynamics...
November 21, 2016: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/27855304/therapeutic-activity-of-the-histone-deacetylase-inhibitor-sb939-on-renal-fibrosis
#6
Sun-Woo Kang, Soung-Min Lee, Joo-Yong Kim, So-Yeon Kim, Yeong-Hoon Kim, Tae-Hee Kim, Mi-Seon Kang, Won-Hee Jang, Su-Kil Seo
Fibrosis is the final pathological outcome of many chronic kidney diseases and is quite common. Thus, development of effective anti-fibrotic agents is urgently needed. Although histone deacetylases (HDACs) have been reported to be involved in renal fibrosis, current HDAC inhibitors are unsatisfactory anti-fibrosis drugs. Therefore, more potentially relevant anti-renal fibrosis HDAC inhibitors are needed. We initially found that non-cytotoxic concentrations of SB939 (pracinostat) had strong anti-fibrotic activity, drastically decreasing TGF-β1-induced alpha smooth muscle actin (α-SMA) expression in the NRK renal fibroblast cell line...
November 14, 2016: International Immunopharmacology
https://www.readbyqxmd.com/read/27835887/runx3-regulates-renal-cell-carcinoma-metastasis-via-targeting-mir-6780a-5p-e-cadherin-emt-signaling-axis
#7
Feifei Chen, Xin Liu, Qian Cheng, Shudong Zhu, Jin Bai, Junnian Zheng
Runt-related transcription factor 3 (RUNX3) is a tumor suppressor in many human solid tumors. In this study, renal cell carcinoma (RCC) microarray analysis showed that the level of RUNX3 expression was lower in RCC tissue than in adjacent normal renal tissues, and was correlated with depth of invasion (pT stage) (P<0.001) and Tumor Node Metastasis (TNM) stage (P<0.001). RUNX3 expression was negatively correlated with poor 5-year overall and disease-free patient survival. RUNX3 suppressed RCC metastasis and invasion and increased levels of E-cadherin, an important marker of epithelial-mesenchymal transition, in vitro and in vivo...
November 8, 2016: Oncotarget
https://www.readbyqxmd.com/read/27829579/curcumin-suppresses-epithelial-mesenchymal-transition-of-renal-tubular-epithelial-cells-through-the-inhibition-of-akt-mtor-pathway
#8
Fang-Qiang Zhu, Min-Jia Chen, Ming Zhu, Rong-Seng Zhao, Wei Qiu, Xiang Xu, Hong Liu, Hong-Wen Zhao, Rong-Jie Yu, Xiong-Fei Wu, Keqin Zhang, Hong Huang
Curcumin has exhibited a protective effect against development of renal fibrosis in animal models, however, its underlying molecular mechanisms are largely unclear. Therefore, we investigated the anti-fibrosis effects of curcumin in TGF-β1-induced epithelial-to-mesenchymal transition (EMT), and the mechanism by which it mediates the PI3K/Akt pathway. Human kidney tubular epithelial cells (HKCs) were treated with TGF-β1 or curcumin alone, or TGF-β1 in combination with curcumin. The effect of curcumin on cell proliferation was measured by MTT assay...
November 8, 2016: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/27812180/comparative-gene-expression-profiling-of-primary-and-metastatic-renal-cell-carcinoma-stem-cell-like-cancer-cells
#9
Mohammed I Khan, Anna M Czarnecka, Sławomir Lewicki, Igor Helbrecht, Klaudia Brodaczewska, Irena Koch, Robert Zdanowski, Magdalena Król, Cezary Szczylik
BACKGROUND: Recent advancement in cancer research has shown that tumors are highly heterogeneous, and multiple phenotypically different cell populations are found in a single tumor. Cancer development and tumor growth are driven by specific types of cells-stem cell-like cancer cells (SCLCCs)-which are also responsible for metastatic spread and drug resistance. This research was designed to verify the presence of SCLCCs in renal cell cancer cell lines. Subsequently, we aimed to characterize phenotype and cell biology of CD105+ cells, defined previously as renal cell carcinoma tumor-initiating cells...
2016: PloS One
https://www.readbyqxmd.com/read/27804885/the-functions-of-heparanase-in-human-diseases
#10
Hao Jin, Shaobo Zhou
The study of the heparanase has long been paid wide attention. Heparanase ,an endo-β-D-glucuronidase, is capable of specifically degrading heparan sulfate(HS), one of the excellular matrix(ECM) components. It exerts its enzymatic activity catalyzing the cleavage of the β (1,4)-glycosidic bond between glucuronic acid and glucosamine residue. HS cleavage results in remodelling of the extracellular matrix as well as in regulating the release of many HS-linked molecules such as growth factors, cytokines and enzymes involved in inflammation, wound healing and tumour invasion...
November 1, 2016: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/27796696/klotho-mitigates-cyclosporine-a-csa-induced-epithelial-mesenchymal-transition-emt-and-renal-fibrosis-in-rats
#11
Qi-Feng Liu, Jian-Ming Ye, Li-Xia Yu, Xiao-Hong Dong, Jian-Hua Feng, Yan Xiong, Xiao-Xia Gu, Sha-Sha Li
PURPOSE: Klotho deficiency is implicated in various kidney diseases, including renal fibrosis. The aim of this study was to investigate the effect of Klotho administration on epithelial-mesenchymal transition (EMT) and renal fibrosis induced by cyclosporine A (CsA) in rats. METHODS: CsA-induced renal fibrosis was established by oral administration of CsA (30 mg/kg) to rats on a low-salt diet for 28 days. Klotho was administered to rats by intraperitoneal injection...
October 28, 2016: International Urology and Nephrology
https://www.readbyqxmd.com/read/27784448/-effects-and-underlying-mechanism-of-berberine-on-renal-tubulointerstitial-injury-in-diabetic-rats
#12
Z J Ma, S L Hu, S S Wang, X Guo, X N Zhang, B Sun, L M Chen
Objective: To investigate the effect of Berberine on renal tubulointerstitial injury and its potential mechanism in rats with type 2 diabetes mellitus (T2DM). Methods: Thirty Sprague-Dawley rats were randomly divided into 3 groups: normal control rats (NC group), diabetic rats without drug treatment (DM group), diabetic rats treated with Berberine (BBR group) for 8 weeks. At the end of the study, blood and urine samples were collected for biochemical examination, and tubulointerstitial fibrosis was quantified by Hematoxylin and Eosin (HE) and Masson staining...
October 18, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/27756344/spheres-derived-from-the-human-sn12c-renal-cell-carcinoma-cell-line-are-enriched-in-tumor-initiating-cells
#13
Yanhui Zhang, Baocun Sun, Xiulan Zhao, Huizhi Sun, Wei Cui, Zhiyong Liu, Xin Yao, Xueyi Dong
BACKGROUND: Recently, tumor initiating cells (TICs), which possess self-renewal and other stem cell properties, are regarded as the cause of tumor initiation, recurrence and metastasis. The isolation and identification of TICs could help to develop novel therapeutic strategies. METHODS: In this study, we isolated spheroid cells from human renal cell carcinoma (RCC) cell line SN12C in stem cell-conditioned medium. The stemness characteristics of spheroid cells, including tumorigenicity, self-renewal, proliferation and aldehyde dehydrogenase (ALDH) activity were evaluated; the expression levels of stemness genes and related proteins were assessed...
October 18, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27754026/yia-03-02-adiponectin-mediated-epithelial-autophagy-attenuates-hypertensive-renal-fibrosis
#14
Cheng-Chao Ruan, Yan Li, Yu Ma, Ding-Liang Zhu, Ping-Jin Gao
OBJECTIVE: Previous studies have indicated that adiponectin (APN) protects against hypertension-related cardiovascular disease. However, whether APN is involved in the regulation of hypertensive renal damage remains unclear. The present study aimed to elucidate how APN regulates renal epithelial to mesenchymal transdifferentiation (EMT) in desoxycorticosterone (DOCA)-salt hypertensive mice. DESIGN AND METHOD: Male APN knockout (APNKO) mice and wild-type (WT) C57BL/6 littermates were sc infused with DOCA pellet (50 mg for 21 day release)...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27735870/a-high-content-screening-assay-to-identify-compounds-with-anti-epithelial-mesenchymal-transition-effects-from-the-chinese-herbal-medicine-tong-mai-yang-xin-wan
#15
Ningning Liu, Lailai Li, Xin Zhu, Zhiqiang Ling, Jianguo Feng, Ying Hu, Yi Wang, Lijun Mou, Yi Wang
Chronic kidney disease (CKD) is a worldwide health problem with growing prevalence in developing countries. Renal tubular epithelial-mesenchymal transition (EMT) is a critical step and key factor in the development of this condition. Renal tubulointerstitial fibrosis is a basic pathological change at the later stages of the disease. Therefore, blocking the development of EMT could be a critical factor in curing CKD. We have established a cell-based high-content screening (HCS) method to identify inhibitors of EMT in human proximal tubular epithelial (HK-2) cells by automatic acquisition and processing of dual-fluorescent labeled images...
October 10, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27717821/mir-144-3p-serves-as-a-tumor-suppressor-for-renal-cell-carcinoma-and-inhibits-its-invasion-and-metastasis-by-targeting-map3k8
#16
Fei Liu, Na Chen, Ruihai Xiao, Weichao Wang, Zhengyue Pan
MicroRNAs (miRNAs) are important regulators involved in various cancers, including renal cell carcinoma (RCC). The role of the miRNAs involved in RCC progress and metastasis is largely unknown. Here, miRNA microarray analysis was performed to screen the significant miRNAs involved in RCC progress, and miR-144-3p was chosen for further study. We found that the expression of miR-144-3p was significantly lower in RCC specimens and cell lines. In addition, low expression level of miR-144-3p is correlated with tumor progression and poor survival in RCC patients...
October 4, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27707584/epithelial-mesenchymal-transition-in-pediatric-nephropathies
#17
Laura Penna Rocha, Samuel Cavalcante Xavier, Fernanda Rodrigues Helmo, Juliana Reis Machado, Fernando Silva Ramalho, Marlene Antônia Dos Reis, Rosana Rosa Miranda Corrêa
INTRODUCTION: Epithelial-mesenchymal transition (EMT) is a process in which epithelial cells may express mesenchymal cell markers with subsequent change in their functions, and it may be part of the etiopathogenesis of kidney disease. OBJECTIVE: The aim of this study was to evaluate the immunexpression of some EMT inducers and markers in frequent nephropathies in pediatric patients. METHODS: 59 patients aged 2-18 years old were selected and divided into 6 groups of frequent nephropathies in children and adolescents, as well as one control group...
December 2016: Pathology, Research and Practice
https://www.readbyqxmd.com/read/27693697/let-7d-mirna-prevents-tgf-%C3%AE-1-induced-emt-and-renal-fibrogenesis-through-regulation-of-hmga2-expression
#18
Ya Wang, Ying Le, Jun-Yu Xue, Zong-Ji Zheng, Yao-Ming Xue
TGF-β1-induced epithelial to mesenchymal transition (EMT) process of tubular epithelial cells plays a leading role in the occurrence and progression of renal fibrosis as seen in diabetic nephropathy (DN). High mobility group AT-hook 2 (HMGA2) is considered to be involved in TGF-β1-mediated EMT via multifactorial mechanisms. Specific microRNAs (miRNAs) are closely associated with EMT, and here we focused on let-7d miRNA as a regulator of HMGA2. This study aims to investigate the effects of HMGA2 on EMT process induced by TGF-β1 using small interfering RNA (siRNA) technique in vitro, and further explore the potential role of let-7d miRNA during renal fibrosis in DN...
October 28, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27651308/efficacy-of-cotargeting-angiopoietin-2-and-the-vegf-pathway-in-the-adjuvant-postsurgical-setting-for-early-breast-colorectal-and-renal-cancers
#19
Florence T H Wu, Shan Man, Ping Xu, Annabelle Chow, Marta Paez-Ribes, Christina R Lee, Steven R Pirie-Shepherd, Urban Emmenegger, Robert S Kerbel
Antiangiogenic tyrosine kinase inhibitors (TKI) that target VEGF receptor-2 (VEGFR2) have not been effective as adjuvant treatments for micrometastatic disease in phase III clinical trials. Angiopoietin-2 (Ang2) is a proangiogenic and proinflammatory vascular destabilizer that cooperates with VEGF. The purpose of this study was to test whether CVX-060 (an Ang2-specific CovX-body) can be combined with VEGFR2-targeting TKIs (sunitinib or regorafenib) to successfully treat postsurgical metastatic disease in multiple orthotopically implanted human tumor xenograft and syngeneic murine tumor models...
December 1, 2016: Cancer Research
https://www.readbyqxmd.com/read/27642944/yia-03-02-adiponectin-mediated-epithelial-autophagy-attenuates-hypertensive-renal-fibrosis
#20
Cheng-Chao Ruan, Yan Li, Yu Ma, Ding-Liang Zhu, Ping-Jin Gao
OBJECTIVE: Previous studies have indicated that adiponectin (APN) protects against hypertension-related cardiovascular disease. However, whether APN is involved in the regulation of hypertensive renal damage remains unclear. The present study aimed to elucidate how APN regulates renal epithelial to mesenchymal transdifferentiation (EMT) in desoxycorticosterone (DOCA)-salt hypertensive mice. DESIGN AND METHOD: Male APN knockout (APNKO) mice and wild-type (WT) C57BL/6 littermates were sc infused with DOCA pellet (50 mg for 21 day release)...
September 2016: Journal of Hypertension
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