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https://www.readbyqxmd.com/read/28441714/long-non-coding-rna-hotair-functions-as-mirna-sponge-to-promote-the-epithelial-to-mesenchymal-transition-in-esophageal-cancer
#1
Feng Xu, Jing Zhang
BACKGROUND: Accumulating evidence indicates dysregulated expression of the long non-coding RNA HOTAIR (lncRNA-HOTAIR) may play a significant role in tumor progression. LncRNA-HOTAIR promotes several processes in esophageal cancer (EC), including cell growth, differentiation, invasion and migration. However, the mechanisms by which lncRNA-HOTAIR promotes invasion and migration EC remain unclear. METHODS: LncRNA-HOTAIR and miR-148a expression were quantified in 40 paired human EC and tumor-adjacent tissues and EC cell lines by quantitative real-time PCR (qRT-PCR)...
April 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28440499/effects-of-tanshinone-iia-on-the-regulation-of-renal-proximal-tubular-fibrosis
#2
Luoyuan Cao, Baoying Huang, Xianguo Fu, Jing Yang, Yinghua Lin, Feng Lin
The development of diabetes mellitus, along with its complications, is a chronic inflammatory response process. Chronic kidney diseases are characterized by renal fibrosis, and fibrosis is an important pathway for end‑stage renal failure. According to previous studies, high glucose (HG) has been demonstrated to be the most important fibrogenesis‑inducing agent. Tanshinone IIA is one of the main components isolated from Danshen (Salvia miltiorrhiza). Although tanshinone IIA has been widely used for the treatment of cardiovascular diseases, the possible role of tanshinone IIA in fibrosis regulation remains to be elucidated and requires investigation...
April 21, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28440492/axl-and-gas6-co-expression-in-lung-adenocarcinoma-as-a-prognostic-classifier
#3
Masahiro Seike, Cheol-Hong Kim, Fenfei Zou, Rintaro Noro, Mika Chiba, Arimi Ishikawa, Shinobu Κunugi, Kaoru Kubota, Akihiko Gemma
AXL, a receptor tyrosine kinase implicated in cell survival, proliferation, and migration, is also associated with acquired resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor therapy. However, its prognostic significance in lung adenocarcinoma (AD) remains unclear. We therefore evaluated the prognostic significance of the expression of AXL and/or its ligand, growth arrest-specific 6 (GAS6), in completely resected lung AD. We evaluated the relationship between AXL, GAS6, and vimentin expression, as determined by immunohistochemistry (IHC) analysis, with overall survival and disease-free survival in 113 patients with stages I-III lung AD...
April 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440402/erk5-regulates-tobacco-smoke%C3%A2-induced-urocystic-epithelial%C3%A2-mesenchymal-transition-in-balb-c-mice
#4
Jie Min, Hao Geng, Zhiqi Liu, Zhaofeng Liang, Zhiqiang Zhang, Dongdong Xie, Yi Wang, Tao Zhang, Dexin Yu, Caiyun Zhong
Tobacco smoke (TS) is an important risk factor of bladder cancer. Epithelial‑mesenchymal transition (EMT) is involved in the initiation and development of cancer. The role of extracellular signal‑regulated kinase (ERK) 5 in regulating TS‑induced EMT remains to be elucidated. The aim of the present study was to investigate the regulatory role of ERK5 in TS‑triggered EMT in the bladder of mice. BALB/c mice were used for an in vivo TS exposure model. Mice were treated for 6 h a day for 12 weeks. The results demonstrated that mice exposed to TS had decreased mRNA and protein expression levels of the epithelial markers E‑cadherin and zonula occludens‑1, whereas expression levels of the mesenchymal markers Vimentin and N‑cadherin were increased...
April 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28438134/poly-i-c-induces-collective-migration-of-hacat-keratinocytes-via-il-8
#5
Kazuhide Takada, Shihoko Komine-Aizawa, Naoko Hirohata, Quang Duy Trinh, Atsuyoshi Nishina, Hirokazu Kimura, Satoshi Hayakawa
BACKGROUND: Delayed wound healing reduces the quality of life (QOL) of patients. Thus, understanding the mechanism of wound healing is indispensable for better management. However, the role of innate immunity in wound healing is thus far unknown. Recently the involvement of TLR3 in wound healing has been evaluated. The systemic administration of polyriboinosinic-polyribocytidylic acid (poly I:C ; a substitute for viral dsRNA and a ligand of toll-like receptor 3), enhances wound healing in vivo...
April 24, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28438065/reduced-expression-of-eukaryotic-translation-initiation-factor-3-subunit-e-and-its-possible-involvement-in-the-epithelial-mesenchymal-transition-in-endometriosis
#6
Xianjun Cai, Minhong Shen, Xishi Liu, Sun-Wei Guo
Epithelial-mesenchymal transition (EMT) is now well documented to be involved in the development of endometriosis through the promotion of invasion and fibrogenesis. To date, several factors have been reported to be involved in EMT in endometriosis. The eukaryotic translation initiation factor 3 subunit e (eIF3e) protein is a component of the multisubunit eIF3 complex essential for cap-dependent translation initiation. The aim of this study was to investigate whether eIF3e is involved in EMT in endometriosis...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28437075/fluorescent-photoswitchable-diarylethenes-for-biolabeling-and-single-molecule-localization-microscopies-with-optical-superresolution
#7
Benoit Roubinet, Michael Weber, Heydar Shojaei, Mark Bates, Mariano L Bossi, Vladimir N Belov, Masahiro Irie, Stefan W Hell
A modular assembly of water soluble diarylethenes (DAEs), applicable as bio-markers for optical nanoscopy, is reported. Reversibly photoswitchable 1,2-bis(2-alkyl-6-phenyl-1-benzothiophene-1,1-dioxide-3-yl)perfluorocyclopentenes possessing a fluorescent "closed" form were decorated with one or two methoxy group(s) attached to the para-position(s) of phenyl ring(s) and two, four or eight carboxylic acid groups. Antibody conjugates of these DAEs feature low aggregation, efficient photoswitching in aqueous buffers, specific staining of cellular structures and photophysical properties (high emission efficiencies and low cycloreversion quantum yields) enabling their application in superresolution microscopy...
April 24, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28436288/ossifying-fibromyxoid-tumor-of-the-retromolar-trigone-a-case-report-and-systematic-review-of-the-literature
#8
Savvas Titsinides, Nikolaos G Nikitakis, Jason Tasoulas, Argyriοs Daskalopoulos, Lampros Goutzanis, Alexandra Sklavounou
Ossifying fibromyxoid tumor (OFMT) is a mesenchymal neoplasm of uncertain lineage and intermediate biologic behavior. Involvement of the head and neck area is infrequent (10% to 15%) and intraoral presentation is very rare. An OFMT developing in the retromolar trigone of a 13-year-old male is presented, along with a comprehensive review of oral OFMT cases. Among 12 oral OFMTs (including the present case), most patients were male (72.7%), with a mean age of 30.3 (13-67) years. The tumors generally appeared as painless masses of firm or hard consistency (mean diameter 27...
April 1, 2017: International Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28433181/effects-of-scutellaria-barbata-polysaccharide-on-the-proliferation-apoptosis-and-emt-of-human-colon-cancer-ht29-cells
#9
Pengda Sun, Dong Sun, Xudong Wang
A water-soluble polysaccharide SPS2p was isolated from the whole grass of Scutellaria barbata and SPS2p contained 53.6% carbohydrates, 38.5% uronic acid and 8.2% proteins. The molecular weight of SPS2p showed only one molecular weight distribution (2.6×10(4)Da) and the monosaccharide composition of SPS2p showed the presence of arabinose, mannose, glucose and galactose at the ratio of 1.31:1.00:3.59:1.59. The results showed that SPS2p could improve the proliferation inhibition rate; SPS2p could also elevate apoptosis rate, apoptosis index and the levels of Bax and Bak, but lower levels of Bcl-2 and FN; SPS2p could up-regulate the expression of E-cadherin mRNA, and down-regulate the expressions of N-cadherin and vimentin mRNA, and the ratio of p-AKT/AKT in HT29 cells...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432469/renal-findings-in-patients-with-mulibrey-nanism
#10
Johanna Sivunen, Susann Karlberg, Jouko Lohi, Niklas Karlberg, Marita Lipsanen-Nyman, Hannu Jalanko
BACKGROUND: Mulibrey nanism (MUL) is a rare inherited disease caused by genetic defects affecting peroxisomal TRIM37 protein. MUL affects multiple organs, leading to growth retardation and early onset type 2 diabetes. We aimed to characterize the structure and function of kidneys and the urinary tract in a large cohort of Finnish MUL patients. METHODS: Ultrasound, magnetic resonance imaging (MRI), and autopsy findings of the kidneys and urinary tract from 101 MUL patients were retrospectively analyzed...
April 22, 2017: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/28432274/sensitive-detection-of-viable-circulating-tumor-cells-using-a-novel-conditionally-telomerase-selective-replicating-adenovirus-in-non-small-cell-lung-cancer-patients
#11
Shinsaku Togo, Nobuyoshi Katagiri, Yukiko Namba, Miniwan Tulafu, Kumi Nagahama, Kotarou Kadoya, Kazuya Takamochi, Siaki Oh, Kenji Suzuki, Fuminori Sakurai, Hiroyuki Mizuguchi, Yasuo Urata, Kazuhisa Takahashi
Circulating tumor cells (CTCs) have a crucial role in the clinical outcome of cancer patients. Detection of non-small cell lung cancer (NSCLC) using an antibody against epithelial cell adhesion molecule (EpCAM) in captured CTCs has low sensitivity; the loss of epithelial markers leads to underestimation of CTCs with mesenchymal phenotype. We propose a new approach for detection of viable CTCs, including those with epithelial-mesenchymal transition status (EMT-CTCs), using the new telomerase-specific replication-selective adenovirus (OBP-1101), TelomeScan F35...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28432079/regulation-of-microtubule-associated-motors-drives-intermediate-filament-network-polarization
#12
Cécile Leduc, Sandrine Etienne-Manneville
Intermediate filaments (IFs) are key players in the control of cell morphology and structure as well as in active processes such as cell polarization, migration, and mechanoresponses. However, the regulatory mechanisms controlling IF dynamics and organization in motile cells are still poorly understood. In this study, we investigate the mechanisms leading to the polarized rearrangement of the IF network along the polarity axis. Using photobleaching and photoconversion experiments in glial cells expressing vimentin, glial fibrillary acidic protein, and nestin, we show that the distribution of cytoplasmic IFs results from a continuous turnover based on the cooperation of an actin-dependent retrograde flow and anterograde and retrograde microtubule-dependent transports...
April 21, 2017: Journal of Cell Biology
https://www.readbyqxmd.com/read/28431931/peroxiredoxin-5-promotes-the-epithelial-mesenchymal-transition-in-colon-cancer
#13
Hye-Mi Ahn, Jin-Woo Yoo, Seunghoon Lee, Hong Jun Lee, Hyun-Shik Lee, Dong-Seok Lee
Globally, colorectal cancer (CRC) is common cause of cancer-related deaths. The high mortality rate of patients with colon cancer is due to cancer cell invasion and metastasis. Initiation of the epithelial-to-mesenchymal transition (EMT) is essential for the tumorigenesis. Peroxiredoinxs (PRX1-6) have been reported to be overexpressed in various tumor tissues, and involved to be responsible for tumor progression. However, the exact role of PRX5 in colon cancer remains to be investigated enhancing proliferation and promoting EMT properties...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28430648/radioimmunotherapy-for-cd133-colonic-cancer-stem-cells-inhibits-tumor-development-in-nude-mice
#14
Dinghu Weng, Xueyan Jin, Saimei Qin, Xiaoli Lan, Chong Chen, Xun Sun, Xianliang She, Changling Dong, Rui An
Accumulating evidence indicates that cancer stem cells (CSCs) are the cause of tumor drug/radio-resistance or distant metastasis; therefore, it is essential to eliminate CSCs to cure cancer completely. The purpose of this study was to utilize radioimmunotherapy (RIT) to target CD133(+) colonic CSCs and observe whether this prevented tumor development, by assessing the maximum tolerated dose (MTD) of HCT116 tumor-bearing nude mice with escalating doses of 131I-AC133.1 monoclonal antibody (mAb), and determining the therapeutic efficacy of RIT with 131I-AC133...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427476/regeneration-of-full-thickness-skin-defects-by-differentiated-adipose-derived-stem-cells-into-fibroblast-like-cells-by-fibroblast-conditioned-medium
#15
Woojune Hur, Hoon Young Lee, Hye Sook Min, Maierdanjiang Wufuer, Chang-Won Lee, Ji An Hur, Sang Hyon Kim, Byeung Kyu Kim, Tae Hyun Choi
BACKGROUND: Fibroblasts are ubiquitous cells in the human body and are absolutely necessary for wound healing such as for injured skin. This role of fibroblasts was the reason why we aimed to differentiate human adipose-derived stem cells (hADSCs) into fibroblasts and to test their wound healing potency. Recent reports on hADSC-derived conditioned medium have indicated stimulation of collagen synthesis as well as migration of dermal fibroblasts in wound sites with these cells. Similarly, human fibroblast-derived conditioned medium (F-CM) was reported to contain a variety of factors known to be important for growth of skin...
April 20, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28427171/evaluation-of-intracavitary-administration-of-curcumin-for-the-treatment-of-sarcomatoid-mesothelioma
#16
Daniel L Pouliquen, Béatrice Nawrocki-Raby, Joëlle Nader, Stéphanie Blandin, Myriam Robard, Philippe Birembaut, Marc Grégoire
A rat model of sarcomatoid mesothelioma, mimicking some of the worst clinical conditions encountered, was established to evaluate the therapeutic potential of intracavitary curcumin administration.The M5-T1 cell line, selected from a collection established from F344 rats induced with asbestos, produces tumors within three weeks, with extended metastasis in normal tissues, after intraperitoneal inoculation in syngeneic rats. The optimal concentration/time conditions for killing M5-T1 cells with curcumin were first determined in vitro...
February 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426124/propofol-suppresses-lps-induced-nuclear-accumulation-of-hif-1%C3%AE-and-tumor-aggressiveness-in-non-small-cell-lung-cancer
#17
Nengli Yang, Yafeng Liang, Pei Yang, Fuhai Ji
Tumor hypoxia has been recognized as a characteristic of the tumor microenvironment and promotes metastasis in a variety of types of cancer. However, in lung cancer, the role of hypoxia-inducible factor 1α (HIF-1α) in modulating the cellular response to the inflammation-related microenvironment remains unclear. In the present study, enhanced expression of HIF-1α accompanied by an increased ROS level was observed in lipopolysaccharide (LPS)-stimulated non-small cell lung cancer (NSCLC) cells. In addition, propofol, a general anesthetic, was found to significantly reduce the LPS-induced upregulation of HIF-1α and ROS in a dose-dependent manner...
March 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28425620/periarticular-bone-loss-in-arthritis-is-induced-by-autoantibodies-against-citrullinated-vimentin
#18
Cecilia Engdahl, Holger Bang, Katharina Dietel, Stefanie C Lang, Ulrike Harre, Georg Schett
Periarticular bone loss is a long known but yet insufficiently understood phenomenon in patients with rheumatoid arthritis. This study investigated whether autoimmunity against citrullinated proteins is causally involved in triggering periarticular bone loss. Periarticular bone loss was studied in the standard antigen induced arthritis (AIA) mouse model with methylated bovine serum albumin (mBSA) as well as modified model with mutated citrullinated vimentin (MCV) alone or in combination with mBSA. Periarticular bone loss, subchondral osteoclastogenesis as well as local expression of cytokines, osteoclast genes and PAD enzymes were assessed after arthritis induction...
April 20, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28425477/microrna-27a-3p-modulates-the-wnt-%C3%AE-catenin-signaling-pathway-to-promote-epithelial-mesenchymal-transition-in-oral-squamous-carcinoma-stem-cells-by-targeting-sfrp1
#19
Bin Qiao, Bao-Xia He, Jing-Hua Cai, Qian Tao, Alfred King-Yin Lam
This study aimed to elucidate how microRNA27a-3p (miR-27a-3p) modulates the Wnt/β-catenin signaling pathway to promote the epithelial-mesenchymal transition (EMT) in oral squamous carcinoma stem cells (OSCSCs) by targeting secreted frizzled-related protein 1 (SFRP1). Flow cytometry was used to sort OSCSCs from the SCC-9 and Tca8113 cell lines. The OSCSCs were randomly assigned into the miR-27a-3p inhibitors group, the miR-27a-3p inhibitors-NC group, the si-SFRP1 group, the si-SFRP1 + miR-27a-3p inhibitors group and the blank group...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28423510/genistein-inhibits-the-growth-and-regulates-the-migration-and-invasion-abilities-of-melanoma-cells-via-the-fak-paxillin-and-mapk-pathways
#20
Shuna Cui, Juan Wang, Qingqing Wu, Jing Qian, Changshui Yang, Ping Bo
Genistein is one of the main components of soy-based foods, which are widely known for their many benefits, including anti-cancer, anti-inflammatory, and antioxidant effects. In this study, we investigated the anti-metastasis effects of genistein on B16F10 melanoma cells. Our results showed that genistein strongly inhibited B16F10 cell proliferation and induced apoptosis in time- and concentration-dependent manners. Genistein altered the morphology of B16F10 cells to an elongated shape with slim pseudopodia-like protrusions...
March 28, 2017: Oncotarget
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