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https://www.readbyqxmd.com/read/28448446/renalase-protects-against-renal-fibrosis-by-inhibiting-the-activation-of-the-erk-signaling-pathways
#1
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/28435451/ahnak2-is-a-novel-prognostic-marker-and-oncogenic-protein-for-clear-cell-renal-cell-carcinoma
#2
Minglei Wang, Xuefeng Li, Jin Zhang, Qiong Yang, Wenqi Chen, Weilin Jin, Yi-Ran Huang, Ru Yang, Wei-Qiang Gao
Integrative database analysis was performed to identify novel candidate oncogene AHNAK2 overexpressed in clear cell renal cell carcinoma (ccRCC). However, the function of AHNAK2 in cancer cells is currently unknown. In this study, we first confirmed the upregulation of AHNAK2 in ccRCC tissues compared with adjacent normal tissues in 15 pairs of samples. Then we analyzed AHNAK2 expression in a large cohort of ccRCC patient samples (n = 355), and found that up-regulation of AHNAK2 was positively correlated with tumor progression and poor survival (p = 0...
2017: Theranostics
https://www.readbyqxmd.com/read/28409352/epithelial-to-mesenchymal-transition-emt-and-endothelial-to-mesenchymal-transition-endmt-role-and-implications-in-kidney-fibrosis
#3
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
#4
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/28408246/renal-protective-effect-and-action-mechanism-of-huangkui-capsule-and-its-main-five-flavonoids
#5
Hong-Die Cai, Shu-Lan Su, Da-Wei Qian, Sheng Guo, Wei-Wei Tao, Xu Dong Cong, Renmao Tang, Jin-Ao Duan
ETHNOPHARMACOLOGICAL RELEVANCE: The flower of Abelmoschus manihot (Linn.) Medicus (A. manihot), as a traditional Chinese Herbal medicine, was used widely in China with efficacy of inducing diuresis for treating strangurtia, and subdhing swelling and detoxicating. It has been reported that Huangkui capsule, prepared by the extract of the flower of A. manihot, can reduce the content of urinary protein, serum creatinine and serum urea nitrogen in nephropathy rats and processes renoprotective activity, while the action mechanism need to illuminate deeply...
April 10, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28406456/metronomic-cordycepin-therapy-prolongs-survival-of-oral-cancer-bearing-mice-and-inhibits-epithelial-mesenchymal-transition
#6
Nai-Wen Su, Shu-Hua Wu, Chih-Wen Chi, Chung-Ji Liu, Tung-Hu Tsai, Yu-Jen Chen
Cordycepin (3'-deoxyadenosine) is a natural compound abundantly found in Cordyceps sinesis in natural and fermented sources. In this study, we examined the effects of cordycepin in a human oral squamous cell carcinoma (OSCC) xenograft model. Cordycepin was administered in a regular, low-dose and prolonged schedule metronomic therapy. Two doses of cordycepin (25 mg/kg, 50 mg/kg) were administrated five days a week for eight consecutive weeks. The tumor volumes were reduced and survival time was significantly prolonged from 30...
April 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28394941/correction-heparanase-a-potential-new-factor-involved-in-the-renal-epithelial-mesenchymal-transition-emt-induced-by-ischemia-reperfusion-i-r-injury
#7
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0160074.].
2017: PloS One
https://www.readbyqxmd.com/read/28393205/high-annexin-a5-expression-promotes-tumor-progression-and-poor-prognosis-in-renal-cell-carcinoma
#8
Jingyuan Tang, Zhiqiang Qin, Peng Han, Wei Wang, Chengdi Yang, Zhen Xu, Ran Li, Bianjiang Liu, Chao Qin, Zengjun Wang, Min Tang, Wei Zhang
Annexin A5 has been found to act as an oncogenic protein in a variety of cancers. However, its specific biological role and mechanism in renal cell cancer (RCC) remains unknown. Quantitative Real-time PCR and western blotting were used to evaluate the mRNA and protein expression level of Annexin A5 in human RCC cell lines and tissues. Immunohistochemistry was adopted to measure the Annexin A5 expression in 123 cases of RCC tissues. Survival analysis was performed to explore the association between Annexin A5 expression and the prognosis of RCC...
April 3, 2017: International Journal of Oncology
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
#9
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
#10
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
#11
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
#12
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/28372569/cancer-metastasis-issues-and-challenges
#13
EDITORIAL
Chao-Nan Qian, Yan Mei, Jian Zhang
Metastasis is the major cause of treatment failure in cancer patients and of cancer-related deaths. This editorial discusses how cancer metastasis may be better perceived and controlled. Based on big-data analyses, a collection of 150 important pro-metastatic genes was studied. Using The Cancer Genome Atlas datasets to re-analyze the effect of some previously reported metastatic genes-e.g., JAM2, PPARGC1A, SIK2, and TRAF6-on overall survival of patients with renal and liver cancers, we found that these genes are actually protective factors for patients with cancer...
April 3, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/28363829/integrin-signaling-potentiates-transforming-growth-factor-beta-1-tgf-%C3%AE-1-dependent-down-regulation-of-e-cadherin-expression-important-implications-for-epithelial-to-mesenchymal-transition-emt-in-renal-cell-carcinoma
#14
B Feldkoren, R Hutchinson, Y Rapaport, A Mahajan, V Margulis
Signal transduction through the transforming growth factor-beta 1 (TGF-β1) pathway affects epithelial to mesenchymal transition (EMT), partly by modulation of E-Cadherin expression. The concurrent impact of extracellular matrix driven regulation of integrin signaling on EMT has not been well characterized. We assessed the cumulative effect and molecular mechanisms of TGF-β1 and integrin signal transduction on E-Cadherin in a renal cell cancer (RCC) model. Stimulation of RCC cells with TGF-β1 demonstrated a three-fold increased expression of integrin αv...
March 28, 2017: Experimental Cell Research
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
#15
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/28350874/snon-upregulation-ameliorates-renal-fibrosis-in-diabetic-nephropathy
#16
Lirong Liu, Mingjun Shi, Yuanyuan Wang, Changzhi Zhang, Bo Su, Ying Xiao, Bing Guo
Progressive reduction of SnoN is associated with gradual elevation of TGF-β1 during diabetic nephropathy progression, suggesting SnoN to be a possible mediator of TGF-β1 signaling, with potential therapeutic benefits against TGF- β1 -induced renal fibrosis. To characterize SnoN for its role in renal fibrosis, we assessed SnoN expression patterns in response to high glucose stress, and evaluated the effects of upregulating SnoN on renal fibrosis. High glucose stress induced significantly elevated SnoN, TGF-β1, and Arkadia transcription; however, significantly reduced SnoN protein levels were observed under these conditions...
2017: PloS One
https://www.readbyqxmd.com/read/28339958/postconditioning-protects-renal-fibrosis-by-attenuating-oxidative-stress-induced-mitochondrial-injury
#17
Shuxian Zhang, Xiaohua Tan, Yan Chen, Xiuying Zhang
Background.: Epithelial-mesenchymal transition (EMT) plays a critical role in renal fibrosis. We hypothesize that mitochondrial DNA damage and DNA deletions caused by reactive oxygen species (ROS) during renal ischemia-reperfusion injury (IRI) might lead to EMT in renal fibrosis. Methods.: Rats were classified into seven groups: sham-operation, IRI, postconditioning (POC), I/R + apocynin, POC +  apocynin, I/R + Mito-Tempol (Mito-T) and POC +  Mito-T...
March 3, 2017: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/28316213/-expression-of-lim-and-sh3-protein-1-in-renal-clear-cell-carcinoma-and-its-effects-on-invasion-and-migration-of-renal-clear-cell-carcinoma-786-o-cells
#18
B Jin, L Gao, W Li, J C Chen, R M Wen, J Q Wang
Objective: To investigate the expression of LIM and SH3 protein 1 (LASP1) in renal cell carcinoma and its significance in the invasion and migration of renal clear cell carcinoma 786-O cell line. Methods: The expression level of LASP1 in 41 cases of renal cell carcinoma tissues and normal renal tissues was analyzed by immunohistochemistry. The relationship between the expression level of LASP1 and clinical characteristics was further analyzed. Expression of LASP1 in 10 cases of tumor tissues with or without lymph node metastasis was analyzed by Western blot...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28281968/knockdown-of-collagen-triple-helix-repeat-containing-1-inhibits-the-proliferation-and-epithelial-to-mesenchymal-transition-in-renal-cell-carcinoma-cells
#19
Xue-Fei Jin, Hai Li, Shi Zong, Hong-Yan Li
Collagen triple helix repeat containing-1 (CTHRC1), a secreted glycoprotein, is frequently upregulated in human cancers. However, the functional role of CTHRC1 in renal cell carcinoma (RCC) remains unclear. Thus, the aim of this study was to explore the role of CTHRC1 in RCC. Our results demonstrated that CTHRC1 was upregulated in RCC tissues and cell lines. Knockdown of CTHRC1 significantly inhibits the proliferation in RCCs. Furthermore, knockdown of CTHRC1 significantly inhibited the epithelial-to-mesenchymal transition (EMT) process in RCCs, as well as suppressed RCC cell migration and invasion...
October 27, 2016: Oncology Research
https://www.readbyqxmd.com/read/28270206/meis1-inhibits-clear-cell-renal-cell-carcinoma-cells-proliferation-and-in-vitro-invasion-or-migration
#20
Jie Zhu, Liang Cui, Axiang Xu, Xiaotao Yin, Fanglong Li, Jiangping Gao
BACKGROUND: Myeloid ecotropic viral integration site 1 (MEIS1) protein plays a synergistic causative role in acute myeloid leukemia (AML). However, MEIS1 has also shown to be a potential tumor suppressor in some other cancers, such as non-small-cell lung cancer (NSCLC) and prostate cancer. Although multiple roles of MEIS1 in cancer development and progression have been identified, there is an urgent demand to discover more functions of this molecule for further therapeutic design. METHODS: MEIS1 was overexpressed via adenovirus vector in clear cell renal cell carcinoma (ccRCC) cells...
March 7, 2017: BMC Cancer
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