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EMT kidney

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https://www.readbyqxmd.com/read/28550085/knockdown-of-sodium-calcium-exchanger-1-induces-epithelial-to-mesenchymal-transition-in-kidney-epithelial-cells
#1
Sona Lakshme Balasubramaniam, Anilkumar Gopalakrishnapillai, Nicholas J Petrelli, Sonali P Barwe
Mesenchymal to epithelial transition (MET) and epithelial to mesenchymal transition (EMT) are important processes in kidney development. Failure to undergo MET during development leads to the initiation of Wilms tumor (WT) whereas EMT contributes to the development of renal cell carcinomas (RCC). The role of calcium regulators in governing these processes is becoming evident. We demonstrated earlier that Na+/Ca2+ exchanger 1 (NCX1), a major calcium exporter in renal epithelial cells, regulates epithelial cell motility...
May 26, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28545667/arctigenin-suppresses-renal-interstitial-fibrosis-in-a-rat-model-of-obstructive-nephropathy
#2
Ao Li, Xiaoxun Zhang, Mao Shu, Mingjun Wu, Jun Wang, Jingyao Zhang, Rui Wang, Peng Li, Yitao Wang
BACKGROUND: Renal tubulointerstitial fibrosis (TIF) is commonly the final result of a variety of progressive injuries and leads to end-stage renal disease. There are few therapeutic agents currently available for retarding the development of renal TIF. PURPOSE: The aim of the present study is to evaluate the role of arctigenin (ATG), a lignan component derived from dried burdock (Arctium lappa L.) fruits, in protecting the kidney against injury by unilateral ureteral obstruction (UUO) in rats...
July 1, 2017: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/28523000/mast-cells-and-mcpt4-chymase-promote-renal-impairment-after-partial-ureteral-obstruction
#3
Maguelonne Pons, Liza Ali, Walid Beghdadi, Luca Danelli, Marianne Alison, Lydia Celia Madjène, Jessica Calvo, Julien Claver, Shamila Vibhushan, Magnus Åbrink, Gunnar Pejler, Marie-Laurence Poli-Mérol, Michel Peuchmaur, Alaa El Ghoneimi, Ulrich Blank
Obstructive nephropathy constitutes a major cause of pediatric renal progressive disease. The mechanisms leading to disease progression are still poorly understood. Kidney fibrotic lesions are reproduced using a model of partial unilateral ureteral obstruction (pUUO) in newborn mice. Based on data showing significant mast cell (MC) infiltration in patients, we investigated the role of MC and murine MCPT4, a MC-released chymase, in pUUO using MC- (W(sh/sh)), MCPT4-deficient (Mcpt4(-/-)), and wild-type (WT) mice...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28506831/cryab-promotes-the-invasion-and-metastasis-of-colorectal-cancer-via-epithelial-mesenchymal-transition
#4
Chuanbing Shi, Xiaojun Yang, Xiaodong Bu, Ning Hou, Pingsheng Chen
Alpha B-crystallin (CRYAB, HSPB5) is a protein that was first discovered in the lens of the eye. It is a member of the small heat-shock protein family (sHsps). CRYAB functions primarily as a molecular chaperone to prevent the aggregation and degradation of damaged unfolded proteins due to cellular damage resulting from heat shock, radiation, oxidative stress, and other insults, thereby promoting cell survival and preventing apoptosis. In recent years, the role of CRYAB in tumorigenesis, tumor invasion, and metastasis has received increasing attention...
May 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28501426/attenuation-of-diabetic-nephropathy-by-sanziguben-granule-inhibiting-emt-through-nrf2-mediated-anti-oxidative-effects-in-streptozotocin-stz-induced-diabetic-rats
#5
Chenxue Zhang, Qian Li, Sisi Lai, Lei Yang, Guoqi Shi, Qing Wang, Zijie Luo, Ruizhi Zhao, Yang Yu
ETHNOPHARMACOLOGICAL RELEVANCE: Diabetic nephropathy (DN) is an acute and serious diabetic complication characterized by renal hypertrophy and renal fibrosis with the expansion of extracellular matrices. Diabetic nephropathy has become a major cause of end-stage kidney disease. Sanziguben Granule (SZGB) is a compound prescription which has been widely applied in clinical medicine for the prevention and treatment of diabetic nephropathy as well as for acute and chronic kidney injuries...
May 10, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28487942/cyclic-amp-responsive-element-binding-protein-induces-metastatic-renal-cell-carcinoma-by-mediating-the-expression-of-matrix-metallopeptidase-2-9-and-proteins-associated-with-epithelial-mesenchymal-transition
#6
Xue Wang, Hui Cui, Zhongguan Lou, Shuaishuai Huang, Yu Ren, Ping Wang, Guobin Weng
Renal cell carcinoma (RCC) is the most frequently occurring malignancy of the kidney worldwide. Anti-angiogenic targeted therapies inhibit the progression of RCC, however, limited effects on the invasion or metastasis of tumor cells have been observed. Cyclic AMP responsive element‑binding protein (CREB) is a serine/threonine kinase that has been implicated in the regulation of cell proliferation, apoptosis, cycle progression and metastasis, amongst others. Our previous research demonstrated that phosphorylated CREB (pCREB) was upregulated in human renal cancer cell lines and tissues, and decreased pCREB at the Ser133 site inhibited the growth and metastatic activity of OS‑RC‑2 cells...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28463799/qi-zhu-xie-zhuo-fang-reduces-serum-uric-acid-levels-and-ameliorates-renal-fibrosis-in-hyperuricemic-nephropathy-rats
#7
Wang Huijuan, Chen Xiaoxu, Song Rui, Li Xinghui, Tao Beibei, Mao Jianchun
Hyperuricemia is associated with the development of chronic kidney disease. Epithelial-to-mesenchymal transition (EMT) induced by hyperuricemia is blamed for initiation of renal fibrosis, which is one of the main characters of hyperuricemic nephropathy. Qi-Zhu-Xie-Zhuo-Fang (QZXZF) has been employed clinically for many years to treat patients with hyperuricemic nephropathy, but the mechanism underlying the therapeutic potential remains unclear. In the present study, QZXZF was applied to rats treated with adenine (100mg/kg) and potassium oxonate (300mg/kg) and biochemical estimations, morphology and immunohistochemistry were performed to investigate whether QZXZF can improve hyperuricemia induced renal fibrosis and to explore the possible mechanisms...
April 29, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28460508/-effect-of-febuxostat-on-epithelial-to-mesenchymal-transition-of-kidney-tubules-serum-interleukin-6-and-transforming-growth-factor-%C3%AE-1-in-hyperuricemic-rats
#8
Z M Lin, R S Zhang, C X Fan, Y L Liang, L Li, L Zhao, J C Qu, X Xu, H Y Zhao, X N Liu, K S Zhu
Objective: To observe the effect of febuxostat on epithelial-to-mesenchymal transition (EMT) of kidney tubules and the levels of serum IL-6 nad transforming growth factor (TGF)β(1) in hyperuricemic rats. Methods: Forty male SD rats were divided into 4 groups: normal control group (NC group), oteracil potassium group (OP group), oteracil potassium with febuxostat group (OF group) and oteracil potassium with benzbromarone group (OB group). Each group had 10 rats and balanced in body weights. To induce hyperuricemia, rats were given oteracil potassium by gastric gavage once a day for eight weeks...
May 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28458345/hydrogen-rich-water-attenuates-renal-injury-and-fibrosis-by-regulation-transforming-growth-factor-%C3%AE-induced-sirt1
#9
Zhaoyu Xing, Wanma Pan, Jing Zhang, Xianlin Xu, Xuemei Zhang, Xiaozhou He, Min Fan
The current research was designed to study the role of hydrogen in renal fibrosis and the renal epithelial to mesenchymal transition (EMT) induced by transforming growth factor-β1 (TGF-β1). Hydrogen rich water (HW) was used to treat animal and cell models. Unilateral ureteral obstruction (UUO) was performed on Balb/c mice to create a model of renal fibrosis. Human kidney proximal tubular epithelial cells (HK-2 cells) were treated with TGF-β1 for 36 h to induce EMT. Serum creatinine (Scr) and blood urea nitrogen (BUN) were measured to test renal function, in addition, kidney histology and immunohistochemical staining of alpha-smooth muscle actin (α-SMA) positive cells was performed to examine the morphological changes...
2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28448446/renalase-protects-against-renal-fibrosis-by-inhibiting-the-activation-of-the-erk-signaling-pathways
#10
Yiru Wu, Liyan Wang, Dai Deng, Qidong Zhang, Wenhu Liu
Renal interstitial fibrosis is a common pathway for the progression of chronic kidney disease (CKD) to end-stage renal disease. Renalase, acting as a signaling molecule, has been reported to have cardiovascular and renal protective effects. However, its role in renal fibrosis remains unknown. In this study, we evaluated the therapeutic efficacy of renalase in rats with complete unilateral ureteral obstruction (UUO) and examined the inhibitory effects of renalase on transforming growth factor-β1 (TGF-β1)-induced epithelial-mesenchymal transition (EMT) in human proximal renal tubular epithelial (HK-2) cells...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28413908/molecular-mechanisms-involved-in-podocyte-emt-and-concomitant-diabetic-kidney-diseases-an-update
#11
Qidi Ying, Guanzhong Wu
Epithelial-mesenchymal transition (EMT) is a tightly regulated process by which epithelial cells lose their hallmark epithelial characteristics and gain the features of mesenchymal cells. For podocytes, expression of nephrin, podocin, P-cadherin, and ZO-1 is downregulated, the slit diaphragm (SD) will be altered, and the actin cytoskeleton will be rearranged. Diabetes, especially hyperglycemia, has been demonstrated to incite podocyte EMT through several molecular mechanisms such as TGF-β/Smad classic pathway, Wnt/β-catenin signaling pathway, Integrins/integrin-linked kinase (ILK) signaling pathway, MAPKs signaling pathway, Jagged/Notch signaling pathway, and NF-κB signaling pathway...
November 2017: Renal Failure
https://www.readbyqxmd.com/read/28409352/epithelial-to-mesenchymal-transition-emt-and-endothelial-to-mesenchymal-transition-endmt-role-and-implications-in-kidney-fibrosis
#12
Ana S Cruz-Solbes, Keith Youker
Tubulointerstitial injury is one of the hallmarks of renal disease. In particular, interstitial fibrosis has a prominent role in the development and progression of kidney injury. Collagen-producing fibroblasts are responsible for the ECM deposition. However, the origin of those activated fibroblasts is not clear. This chapter will discuss in detail the concept of epithelial to mesenchymal transition (EMT) and endothelial to mesenchymal transition (EndMT) in the context of fibrosis and kidney disease. In short, EMT and EndMT involve a change in cell shape, loss of polarity and increased motility associated with increased collagen production...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/28408805/effect-of-berberine-on-the-renal-tubular-epithelial-to-mesenchymal-transition-by-inhibition-of-the-notch-snail-pathway-in-diabetic-nephropathy-model-kkay-mice
#13
Guannan Yang, Zongjiang Zhao, Xinxue Zhang, Amin Wu, Yawei Huang, Yonghui Miao, Meijuan Yang
Renal tubular epithelial-to-mesenchymal transition (EMT) and renal tubular interstitial fibrosis are the main pathological changes of diabetic nephropathy (DN), which is a common cause of end-stage renal disease. Previous studies have suggested that berberine (BBR) has antifibrotic effects in the kidney and can reduce apoptosis and inhibit the EMT of podocytes in DN. However, the effect of BBR on the renal tubular EMT in DN and its mechanisms of action are unknown. This study was performed to explore the effects of BBR on the renal tubular EMT and the molecular mechanisms of BBR in DN model KKAy mice and on the high glucose (HG)-induced EMT in mouse renal tubular epithelial cells...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28387228/calcium-oxalate-crystals-and-oxalate-induce-an-epithelial-to-mesenchymal-transition-in-the-proximal-tubular-epithelial-cells-contribution-to-oxalate-kidney-injury
#14
Marcia Bastos Convento, Edson Andrade Pessoa, Edgar Cruz, Maria Aparecida da Glória, Nestor Schor, Fernanda Teixeira Borges
TGF-β1 is the main mediator of epithelial-to-mesenchymal transition (EMT). Hyperoxaluria induces crystalluria, interstitial fibrosis, and progressive renal failure. This study analyzed whether hyperoxaluria is associated with TGF-β1 production and kidney fibrosis in mice and if oxalate or calcium oxalate (CaOx) could induce EMT in proximal tubule cells (HK2) and therefore contribute to the fibrotic process. Hyperoxaluria was induced by adding hydroxyproline and ethylene glycol to the mice's drinking water for up to 60 days...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28385574/ouabain-promotes-partial-epithelial-to-mesenchymal-transition-emt-changes-in-human-autosomal-dominant-polycystic-kidney-disease-adpkd-cells
#15
Jessica Venugopal, Jeffrey McDermott, Gladis Sanchez, Madhulika Sharma, Leandro Barbosa, Gail A Reif, Darren P Wallace, Gustavo Blanco
The hormone ouabain has been shown to enhance the cystic phenotype of autosomal dominant polycystic kidney disease (ADPKD). Among other characteristics, the ADPKD phenotype includes cell de-differentiation and epithelial to mesenchymal transition (EMT). Here, we determined whether physiological concentrations of ouabain induces EMT in human renal epithelial cells from patients with ADPKD. We found that ADPKD cells respond to ouabain with a decrease in expression of the epithelial marker E-cadherin and increase in the expression of the mesenchymal markers N-cadherin, α smooth muscle actin (αSMA) and collagen-I; and the tight junction protein occludin and claudin-1...
April 3, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28378840/alpha-lipoic-acid-ameliorates-the-epithelial-mesenchymal-transition-induced-by-unilateral-ureteral-obstruction-in-mice
#16
Hyun Seop Cho, Jin Hyun Kim, Ha Nee Jang, Tae Won Lee, Myeong Hee Jung, Tae Ho Kim, Se-Ho Chang, Dong Jun Park
The epithelial-to-mesenchymal transition (EMT) is one of mechanisms that induce renal interstitial fibrosis. Understanding EMT in renal fibrosis has important therapeutic implications for patients with kidney disease. Alpha-lipoic acid (ALA) is a natural compound with antioxidant properties. Studies for ALA are performed in acute kidney injury with renal tubular apoptosis, renal inflammation, and oxidative stress. We investigated the effects of ALA on EMT-mediated renal interstitial fibrosis in mice with unilateral ureteral obstruction (UUO)...
April 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28374152/uric-acid-activates-nrlp3-inflammasome-in-an-in-vivo-model-of-epithelial-to-mesenchymal-transition-in-the-kidney
#17
César Andrés Romero, Aline Remor, Alexandra Latini, Ana Lucía De Paul, Alicia Inés Torres, Jorge Humberto Mukdsi
Uric acid (UA) has been associated with renal fibrosis and progression of chronic kidney disease. However, the underlying mechanisms of this process have still not been identified. Here, we studied the role of the innate imunity receptor NLRP3/ASC in UA induced epithelial-mesenchymal transition (EMT) in kidney. Wistar rats were fed with oxonic acid 2% and UA 2% (OXA + U), OXA + U plus allopurinol (ALL) or regular chow (C) for 7 weeks. We analyzed the presence of EMT markers, the expression of NLRP3, ASC, Caspase-1 and Smad 2/3 molecules and the mitochondrial morphological and functional characteristics...
April 3, 2017: Journal of Molecular Histology
https://www.readbyqxmd.com/read/28366875/dual-role-of-muc1-mucin-in-kidney-ischemia-reperfusion-injury-nephroprotector-in-early-phase-but-pro-fibrotic-in-late-phase
#18
Jean-Baptiste Gibier, Brigitte Hémon, Mélanie Fanchon, Kelly Gaudelot, Nicolas Pottier, Bélinda Ringot, Isabelle Van Seuningen, François Glowacki, Christelle Cauffiez, David Blum, Marie-Christine Copin, Michaël Perrais, Viviane Gnemmi
Acute kidney injury (AKI) is characterized by acute tubular necrosis (ATN) which involves mainly proximal tubules. Past AKI is associated with higher risk of chronic kidney disease (CKD). The MUC1 mucin is a large glycoprotein responsible for epithelial protection and locates to convoluted distal tubules and collecting ducts. Since MUC1 activates the epithelial-mesenchymal transition (EMT) in carcinoma cells, we hypothesized that MUC1 could be involved in epithelial tubular cell plasticity, a process that not only accompanies epithelial repair, but also participates into kidney fibrosis, histological substratum of CKD...
March 31, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28362712/vascular-endothelial-growth-inhibitor-a-cytokine-of-the-tumor-necrosis-factor-family-is-associated-with-epithelial-mesenchymal-transition-in-renal-cell-carcinoma
#19
Qiang Zhao, Tiezhu Liu, Baoan Hong, Feng Wang, Changhua Zhou, Xin Du, Siqi Chen, Xiaohu Deng, Shayiremu Duoerkun, Qing Li, Yong Yang, Kan Gong, Ning Zhang
Previous studies have revealed that the activation of the epithelial-mesenchymal transition (EMT) endows metastatic properties upon cancer cells to promote invasion and migration. In this study, immunohistochemical analysis was performed in 50 cases of clear cell renal cell carcinoma (RCC) and paired normal kidney tissues. We detected the expression of vascular endothelial growth inhibitor (VEGI) and EMT markers (E-cadherin, fibronectin, and Slug) and recorded the clinical, pathologic, and follow-up (median follow-up: 79...
March 30, 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/28345629/wt1-expression-in-breast-cancer-disrupts-the-epithelial-mesenchymal-balance-of-tumour-cells-and-correlates-with-the-metabolic-response-to-docetaxel
#20
Mara Artibani, Andrew H Sims, Joan Slight, Stuart Aitken, Anna Thornburn, Morwenna Muir, Valerie G Brunton, Jorge Del-Pozo, Linda R Morrison, Elad Katz, Nicholas D Hastie, Peter Hohenstein
WT1 is a transcription factor which regulates the epithelial-mesenchymal balance during embryonic development and, if mutated, can lead to the formation of Wilms' tumour, the most common paediatric kidney cancer. Its expression has also been reported in several adult tumour types, including breast cancer, and usually correlates with poor outcome. However, published data is inconsistent and the role of WT1 in this malignancy remains unclear. Here we provide a complete study of WT1 expression across different breast cancer subtypes as well as isoform specific expression analysis...
March 27, 2017: Scientific Reports
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