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https://www.readbyqxmd.com/read/28729638/inhibition-of-microrna-214-promotes-epithelial-mesenchymal-transition-process-and-induces-interstitial-cystitis-in-postmenopausal-women-by-upregulating-mfn2
#1
Jian-Wei Lv, Wei Wen, Chen Jiang, Qi-Bo Fu, Yin-Jun Gu, Ting-Ting Lv, Zhen-Dong Li, Wei Xue
Our study aims to investigate the roles that microRNA-214 (miR-214) plays in the epithelial mesenchymal transition (EMT) process and the development of interstitial cystitis (IC) in postmenopausal women by targeting Mitofusin 2 (Mfn2). IC bladder tissues and adjacent normal bladder tissues were collected from postmenopausal women. Immunohistochemistry (IHC) staining was conducted. The target relationship between miR-214 and Mfn2 was determined by a dual luciferase reporter gene assay. Adipose-derived mesenchymal stem cells (ADMSCs) were extracted from postmenopausal rats and assigned to the blank, mimics, miR-214 inhibitors, mimics negative control (NC), inhibitors NC, Mfn2 siRNA, miR-214 inhibitors and Mfn2 siRNA groups...
July 21, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28728276/-the-role-of-hur-in-mediating-snail-expression-in-human-small-airway-epithelium-induced-by-cigarette-smoke-extract
#2
X M Gu, X G Wang, J Sun, N Wang, S J Jiang
Objective: To investigate the abundance of human antigen R (HuR) in small airway epithelial cells stimulated by cigarette smoke extract (CSE) as well as the role of HuR in mediating snail which is recognized as a key transcription factor in regulating epithelial-mesenchymal transition (EMT). Methods: Human small airway epithelial cells (HSAEpiC) cultured in vitro were exposed to cigarette smoke extract (CSE) to model COPD status. Real-time PCR and western blotting analysis were used in detecting HuR protein and mRNA expression in cells with CSE which were divided into 5 groups: a control group, a 1%-24 h group, a 3%-24 h group, a 1%-48 h group and a 3%-48 h group...
July 12, 2017: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/28728219/-solitary-fibrous-tumor-hemangiopericytoma-of-central-nervous-system-a-clinicopathologic-analysis-of-71-cases
#3
X L Li, W W Fu, S Zhang, D Y Chen, Y P Chen, J Wu, X Y Liu, G P Li, S M Lin, S Luo, S S Cai, W Guo, X F Wang
Objective: As solitary fibrous tumor (SFT) and hemangiopericytoma (HPC) share the same molecular genetics features, the 2016 WHO classification of central nervous system (CNS) tumors had created the combined term SFT/HPC and assigns three grades. This study aims to investigate the clinicopathologic characteristics, diagnosis, differential diagnosis and prognosis of CNS SFT/HPC. Methods: Seventy-one cases of CNS SFT and HPC were retrospectively reclassified and studied. Histopathological, immunohistochemical and imaging features were analyzed...
July 8, 2017: Zhonghua Bing Li Xue za Zhi Chinese Journal of Pathology
https://www.readbyqxmd.com/read/28726209/characteristics-of-mel-ibr-melanoma-line-subclone-after-treatment-with-chicken-embryo-extract
#4
N M Suraeva, L F Morozova, O O Ryabaya, Yu A Khochenkova, A V Samoilov, O S Burova, N V Golubtsova, A E Barmashov, M A Baryshnikova
We continue analysis of the phenotype of human melanoma cell Mel Ibr subclone obtained previously by treatment of the parental cell line by chicken embryo extract. The present study is focused on detection of markers of epithelial-mesenchymal transition that determine enhanced metastatic and invasive potential of malignant tumors of various locations. Analysis of the expression of E-cadherin and vimentin genes in the subclone and parental cells detected activation of epithelial-mesenchymal transition in the subclone...
July 18, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28725012/phycocyanin-attenuates-pulmonary-fibrosis-via-the-tlr2-myd88-nf-%C3%AE%C2%BAb-signaling-pathway
#5
Chengcheng Li, Yan Yu, Wenjun Li, Bo Liu, Xudong Jiao, Xinyu Song, Changjun Lv, Song Qin
Our aim was to investigate the effects of phycocyanin (PC) on bleomycin (BLM)-induced pulmonary fibrosis (PF). In this study, C57 BL/6 wild-type (WT) mice and toll-like receptor (TLR) 2 deficient mice were treated with PC for 28 days following BLM exposure. Serum and lung tissues were collected on days 3, 7 and 28. Data shows PC significantly decreased the levels of hydroxyproline (HYP), vimentin, surfactant-associated protein C (SP-C), fibroblast specific protein-1 (S100A4) and α-smooth muscle actin (α-SMA) but dramatically increased E-cadherin and podoplanin (PDPN) expression on day 28...
July 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28724775/n-degradomic-analysis-reveals-a-proteolytic-network-processing-the-podocyte-cytoskeleton
#6
Markus M Rinschen, Ann-Kathrin Hoppe, Florian Grahammer, Martin Kann, Linus A Völker, Eva-Maria Schurek, Julie Binz, Martin Höhne, Fatih Demir, Milena Malisic, Tobias B Huber, Christine Kurschat, Jayachandran N Kizhakkedathu, Bernhard Schermer, Pitter F Huesgen, Thomas Benzing
Regulated intracellular proteostasis, controlled in part by proteolysis, is essential in maintaining the integrity of podocytes and the glomerular filtration barrier of the kidney. We applied a novel proteomics technology that enables proteome-wide identification, mapping, and quantification of protein N-termini to comprehensively characterize cleaved podocyte proteins in the glomerulus in vivo We found evidence that defined proteolytic cleavage results in various proteoforms of important podocyte proteins, including those of podocin, nephrin, neph1, α-actinin-4, and vimentin...
July 19, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28724608/erbb4-deletion-accelerates-renal-fibrosis-following-renal-injury
#7
Fenghua Zeng, Tomoki Miyazawa, Lance A Kloepfer, Raymond C Harris
Tubulointerstitial fibrosis (TIF) is a prominent factor in the progression of chronic kidney disease (CKD) regardless of etiology. ErbB4 expression levels were inversely correlated to renal fibrosis in human fibrotic kidneys. In both unilateral ureteral obstruction (UUO) and ischemia reperfusion injury followed by uninephrectomy (IRI/UNx) mouse models, expression levels of ErbB4 were elevated in the early stage of renal injury. Using mice with global ErbB4 deletion except for transgenic rescue in cardiac tissue (ErbB4-/-ht+), we determined that UUO induced similar injury in proximal tubules compared to wild-type mice but more severe injury in distal nephrons...
July 19, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28723640/trim22-confers-poor-prognosis-and-promotes-epithelial-mesenchymal-transition-through-regulation-of-akt-gsk3%C3%AE-%C3%AE-catenin-signaling-in-non-small-cell-lung-cancer
#8
Li Liu, Xiao-Ming Zhou, Fang-Fei Yang, Yuan Miao, Yan Yin, Xue-Jun Hu, Gang Hou, Qiu-Yue Wang, Jian Kang
Expression pattern and biological roles of TRIM22 remains unknown in most human cancers. The present study aims to discover its clinical significance and function in human non-small cell lung cancer (NSCLC). Immunohistochemistry was used to examine TRIM22 expression in 126 cases of NSCLC specimens. TRIM22 protein was upregulated in 70/126 (55.6%) non-small cell lung cancer tissues compared with normal lung tissue. TRIM22 overexpression was associated with advanced TNM stage, positive nodal metastasis and poor prognosis...
July 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722313/cellular-glycosylation-senses-metabolic-changes-and-modulates-cell-plasticity-during-emt
#9
REVIEW
P Carvalho-Cruz, F Alisson-Silva, A R Todeschini, W B Dias
Epithelial to mesenchymal transition (EMT) is a developmental program reactivated by tumor cells that leads to the switch from epithelial to mesenchymal phenotype. During EMT, cells are transcriptionally regulated to decrease E-cadherin expression while expressing mesenchymal markers such as vimentin, fibronectin and N-cadherin. Growing body of evidences suggest that cells engaged in EMT undergo a metabolic reprograming process, redirecting glucose flux toward Hexosamine Biosynthesis Pathway (HBP) which fuels aberrant glycosylation patterns that are extensively observed in cancer cells...
July 19, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28720386/cdc42-interacting-protein-4-silencing-relieves-pulmonary-fibrosis-in-stz-induced-diabetic-mice-via-the-wnt-gsk-3%C3%AE-%C3%AE-catenin-pathway
#10
Xiaoping Zhang, Ying Liu, Runxia Shao, Wei Li
Cdc42-interacting protein-4 (CIP4) has been reported to be closely associated with diabetic nephropathy in rat. However, little is known about the correlation between CIP4 and diabetic pulmonary fibrosis (PF) in mice. Here, diabetes was induced by streptozotocin (STZ), and later lung tissue was collected and subjected to hematoxylin and eosin (H & E) staining for morphological examination. The distinct up-regulation of CIP4 was observed in diabetic PF mice. CIP4 silencing increased overall weight and decreased lung weight...
July 15, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28720059/cervical-cancer-cell-derived-angiopoietins-promote-tumor-progression
#11
Ping Yang, Na Chen, Dongyun Yang, Janet Crane, Bangxing Huang, Ruiqing Dong, Xiaoqing Yi, Jing Guo, Jing Cai, Zehua Wang
Metastatic or recurrent cervical cancer has limited treatment options and a high rate of mortality. Although anti-vascular endothelial growth factor drugs have shown great promise as a therapeutic target for treatment of advanced cervical cancer, drug resistance and class-specific side effects negate long-term benefits. The identification of alternative anti-angiogenic factors will be critical for future drug development for advanced or recurrent cervical cancer. In this study, we found that angiopoietins and Tie receptors were highly expressed in cervical cancer cells...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28719656/phenotypic-characterization-of-circulating-tumor-cells-in-the-peripheral-blood-of-patients-with-small-cell-lung-cancer
#12
Ippokratis Messaritakis, Eleni Politaki, Athanasios Kotsakis, Eleftheria-Kleio Dermitzaki, Filippos Koinis, Eleni Lagoudaki, Anastasios Koutsopoulos, Galatea Kallergi, John Souglakos, Vassilis Georgoulias
BACKGROUND: To evaluate the phenotypic heterogeneity of circulating tumor cells (CTCs) based on the expression of proliferative, apoptotic and Epithelial-to-Mesenchymal Transmission (EMT) markers during front-line treatment in patients with small cell lung cancer (SCLC) and to evaluate their clinical relevance. METHODS: CTCs from 108 chemotherapy-naïve patients with SCLC were analyzed by double immunofluorescence staining using anti-Ki67, anti-M30, anti-Vimentin along with anti-CKs antibodies...
2017: PloS One
https://www.readbyqxmd.com/read/28719468/etv6-gene-rearrangements-characterize-a-morphologically-distinct-subset-of-sinonasal-low-grade-non-intestinal-type-adenocarcinoma-a-novel-translocation-associated-carcinoma-restricted-to-the-sinonasal-tract
#13
Simon Andreasen, Alena Skálová, Abbas Agaimy, Justin A Bishop, Jan Laco, Ilmo Leivo, Alessandro Franchi, Stine R Larsen, Daiva Erentaite, Benedicte P Ulhøi, Christian von Buchwald, Linea C Melchior, Michal Michal, Katalin Kiss
Low-grade sinonasal adenocarcinomas (low-grade SNACs) of the sinonasal tract comprise a poorly characterized and histologically heterogeneous group of tumors. We describe three cases of a histologically distinct variant of low-grade SNAC characterized by ETV6 gene rearrangements. The patients included 2 women (aged 32 and 88 y) and a man (aged 75 y); all were initially treated with surgery alone. Follow-up ranged from 9 to 170 months with one patient having 2 local recurrences and none experiencing distant or regional metastases...
July 17, 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28718375/emp3-is-induced-by-twist1-2-and-regulates-epithelial-to-mesenchymal-transition-of-gastric-cancer-cells
#14
Ming Han, Wanpeng Xu
In this study, we aimed to explore new downstream effectors of TWIST1/2 in inducing epithelial-to-mesenchymal transition in gastric cancer. Bioinformatic data mining was performed using data in The Cancer Genome Atlas Stomach Adenocarcinoma. Survival curves were generated using Kaplan-Meier plotter. Gastric cancer cell lines (AGS and SGC-7901) were used as in vitro cell model to investigate the regulative effect of TWIST1/2 on epithelial membrane protein 3 expression and the progression of epithelial-to-mesenchymal transition...
July 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28717191/mln4924-pevonedistat-a-protein-neddylation-inhibitor-suppresses-proliferation-and-migration-of-human-clear-cell-renal-cell-carcinoma
#15
Shuai Tong, Yang Si, Hefen Yu, Lingqiang Zhang, Ping Xie, Wenguo Jiang
Neddylation is a post-translational protein modification associated with cancer development. MLN4924 is a neddylation inhibitor currently under investigation in multiple phase I studies on various malignancies, and its clincal name is Pevonedistat. It has been documented that MLN4924 blocks Cullins neddylation and inactivates CRLs and, in turn, triggers cell-cycle arrest, apoptosis, senescence and autophagy in many cancer cells. In this study, we investigated the anti-tumor effect of MLN4924 in human clear cell renal carcinoma (ccRCC)...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28716864/alpha1-antitrypsin-binds-hemin-and-prevents-oxidative-activation-of-human-neutrophils-putative-pathophysiological-significance
#16
Sabina Janciauskiene, Srinu Tumpara, Malgorzata Wiese, Sabine Wrenger, Vijith Vijayan, Faikah Gueler, Rongjun Chen, Kukuh Madyaningrana, Ravi Mahadeva, Tobias Welte, Stephan Immenschuh, Joanna Chorostowska-Wynimko
Heme is a ubiquitous compound of human tissues, and it is involved in cellular physiology and metabolism. Once released from the cell, free heme oxidizes to the ferric state (hemin). High levels of hemin can cause oxidative stress and inflammation if not neutralized immediately by specialized scavenger proteins. Human alpha1-antitrypsin (A1AT), an acute-phase glycoprotein and important inhibitor of neutrophil proteases, is also a hemin-binding protein. A short-term exposure of freshly isolated human blood neutrophils to 4 µM hemin results in cell spreading, surface expression of filament protein, vimentin, free radical production, expression of heme oxygenase-1 (HO-1), release of IL-8, and enhanced neutrophil adhesion to human endothelial cells...
July 17, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28716733/ml327-induces-apoptosis-and-sensitizes-ewing-sarcoma-cells-to-tnf-related-apoptosis-inducing-ligand
#17
Eric J Rellinger, Chandrasekhar Padmanabhan, Jingbo Qiao, Andrew Appert, Alex G Waterson, Craig W Lindsley, R Daniel Beauchamp, Dai H Chung
Ewing sarcomas are rare mesenchymal-derived bone and soft tissue tumors in children. Afflicted children with distant metastases have poor survival despite aggressive therapeutics. Epithelial-to-mesenchymal transition in epithelial carcinomas is associated with loss of E-cadherin and resistance to apoptosis. ML327 is a novel small molecule that we have previously shown to reverse epithelial-to-mesenchymal transition features in both epithelial and neural crest-derived cancers. Herein, we sought to evaluate the effects of ML327 on mesenchymal-derived Ewing sarcoma cells, hypothesizing that ML327 initiates growth arrest and sensitizes to TNF-related apoptosis-inducing ligand...
July 14, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28716029/foxp3-promotes-tumor-growth-and-metastasis-by-activating-wnt-%C3%AE-catenin-signaling-pathway-and-emt-in-non-small-cell-lung-cancer
#18
Shucai Yang, Yi Liu, Ming-Yue Li, Calvin S H Ng, Sheng-Li Yang, Shanshan Wang, Chang Zou, Yujuan Dong, Jing Du, Xiang Long, Li-Zhong Liu, Innes Y P Wan, Tony Mok, Malcolm J Underwood, George G Chen
BACKGROUND: The role of cancer cell FOXP3 in tumorigenesis is conflicting. We aimed to study FOXP3 expression and regulation, function and clinical implication in human non-small cell lung cancer (NSCLC). METHODS: One hundred and six patients with histologically-confirmed NSCLC who underwent surgery were recruited for the study. Tumor samples and NSCLC cell lines were used to examine FOXP3 and its related molecules. Various cell functions related to tumorigenesis were performed...
July 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28713970/human-chorionic-gonadotropin%C3%A2-%C3%AE-regulates-epithelial-mesenchymal-transition-and-metastasis-in-human-ovarian-cancer
#19
Na Liu, Shu-Min Peng, Guang-Xi Zhan, Jing Yu, Wei-Min Wu, Hao Gao, Xiao-Feng Li, Xiao-Qing Guo
Human chorionic gonadotropin β (β-hCG) is a well-known and accurate marker for the diagnosis and monitoring of pregnancy, trophoblastic tumors and ovarian germ cell tumors. Recently, β-hCG has been found to be closely related to poor prognosis and metastasis in various other malignant tumors, while its role and mechanism in ovarian cancer is still unclear. In the present study, lentiviral‑mediated transfection and small interfering RNA (siRNA) were used to alter β-hCG expression in the ovarian cancer cell lines ES-2 and SKOV3, respectively...
July 14, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28713917/stim1-silencing-inhibits-the-migration-and-invasion-of-a549-cells
#20
Yadong Wang, Haiyu Wang, Teng Pan, Li Li, Jiangmin Li, Haiyan Yang
The present study aimed to explore the effects of stromal interaction molecule 1 (STIM1) knockdown on the migration, invasion and metastasis of A549 cells in vitro and in vivo. Western blotting and immunohistochemistry were used to detect protein expression levels. Wound healing and Transwell invasion assays were used to assess the migratory and invasive abilities of A549 cells transfected with STIM1‑specific short hairpin (sh)RNA (shSTIM1). In addition, a tail vein metastatic assay was performed. The results demonstrated that the frequency of STIM1 high‑expression was significantly increased in metastatic lung cancer tissues (72...
July 15, 2017: Molecular Medicine Reports
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