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https://www.readbyqxmd.com/read/29444383/stemness-and-anti-cancer-drug-resistance-in-abcg2-highly-expressed-pancreatic-cancer-is-induced-on-3d-culture-condition
#1
Norihiko Sasaki, Toshiyuki Ishiwata, Fumio Hasegawa, Masaki Michishita, Hiroki Kawai, Yoko Matsuda, Tomio Arai, Naoshi Ishikawa, Junko Aida, Kaiyo Takubo, Masashi Toyoda
The expression of ATP-binding cassette subfamily G member 2 (ABCG2) is related with tumorigenic cancer stem cells (CSCs) in several cancers. However, the effects of ABCG2 on CSC-related malignant characteristics in pancreatic ductal adenocarcinoma (PDAC) are not well elucidated. In this study, we compared the characteristics of low (ABCG2-) and high (ABCG2+)-ABCG2-expressing PDAC cells after cell sorting. In adherent culture condition, human PDAC cells, PANC-1, contained approximately 10% ABCG2+ cell populations, and ABCG2+ cells displayed more and longer microvilli compared with ABCG2- cells...
February 14, 2018: Cancer Science
https://www.readbyqxmd.com/read/29443714/emt-training-as-a-transition-into-medical-education
#2
Reba Maglin Halsey-Nichols
No abstract text is available yet for this article.
February 13, 2018: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/29442045/mir-200a-promotes-epithelial-mesenchymal-transition-of-endometrial-cancer-cells-by-negatively-regulating-foxa2-expression
#3
Wei Shi, Xiaoling Wang, Lihong Ruan, Jiamei Fu, Fang Liu, Jinfeng Qu
Endometrial cancer is the most common gynecological cancer. Epithelial-mesenchymal transition (EMT) plays a critical role in tumor invasion and metastasis, which limits the success of treatment. Here, we investigated the roles of forkhead box A2 (FOXA2) and microRNA-200a (miR-200a) in regulating the EMT of endometrial cancer cells RL95-2. Empty vector or FOXA2 was stably transfected into RL95-2 cells. MTT assay measured cell proliferation, apoptosis assay measured apoptosis, Transwell invasion assay measured cell invasion, and Western blot measured the protein expression of FOXA2, E-cadherin, and vimentin...
November 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29441907/microrna-335-inhibits-colorectal-cancer-hct116-cells-growth-and-epithelial-mesenchymal-transition-emt-process-by-targeting-twist1
#4
Jingyuan Wang, Xuemei Wang, Fengjun Liu, Yuguang Fu
Colorectal cancer is one of the most commonly diagnosed cancers. Recently, several microRNAs (miRNAs) have been characterized as oncogenes or tumor suppressors in colorectal cancer. This study was aimed to explore the tumor suppressive effects and its underling mechanism of miR-335 on colorectal cancer cells. Human colorectal cancer HCT116 cells were employed and the expression of miR-335 in cells was altered by transfection with miR-335 mimic and miR-335 inhibitor. Thereafter, CCK-8 assay, flow cytometry, Transwell assay and Western blotting were used to detect cell viability, apoptosis, migration, invasion, and the expression of epithelial-mesenchymal transition (EMT)-related proteins...
August 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29440769/epithelial-mesenchymal-transition-emt-signature-is-inversely-associated-with-t-cell-infiltration-in-non-small-cell-lung-cancer-nsclc
#5
Young Kwang Chae, Sangmin Chang, Taeyeong Ko, Jonathan Anker, Sarita Agte, Wade Iams, Wooyoung M Choi, Kyoungmin Lee, Marcelo Cruz
Epithelial-mesenchymal transition (EMT) is able to drive metastasis during progression of multiple cancer types, including non-small cell lung cancer (NSCLC). As resistance to immunotherapy has been associated with EMT and immune exclusion in melanoma, it is important to understand alterations to T-cell infiltration and the tumor microenvironment during EMT in lung adenocarcinoma and squamous cell carcinoma. We conducted an integrated analysis of the immune landscape in NSCLCs through EMT scores derived from a previously established 16 gene signature of canonical EMT markers...
February 13, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29440295/microrna-203-inhibits-long-noncoding-rna-hotair-and-regulates-tumorigenesis-through-epithelial-to-mesenchymal-transition-pathway-in-renal-cell-carcinoma
#6
Pritha Dasgupta, Priyanka Kulkarni, Shahana Majid, Shahryari Varahram, Yutaka Hashimoto, Nadeem S Bhat, Marisa Shiina, Guoren Deng, Sharanjot Saini, Z Laura Tabatabai, Soichiro Yamamura, Yuichiro Tanaka, Rajvir Dahiya
This study aims to investigate the role of miR-203-HOTAIR interaction in the suppression of renal cell carcinoma (RCC). We employed series of in vitro assays such as proliferation, invasion, migration and colony formation along with in vivo tumor xenograft model. Profiling of miR-203 and HOTAIR expression revealed that miR-203 was significantly under-expressed whereas HOTAIR was overexpressed in RCC cell-lines and clinical specimens compared to normal cell line and tissue. Both miR-203 and HOTAIR expression significantly distinguished malignant from normal tissues and significantly correlated with clinicopathological characteristics of patients...
February 13, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29440289/neo212-inhibits-migration-and-invasion-of-glioma-stem-cells
#7
Nagore I Marín-Ramos, Thu Zan Thein, Hee-Yeon Cho, Stephen D Swenson, Weijun Wang, Axel H Schönthal, Thomas C Chen, Florence M Hofman
Glioblastoma multiforme is a malignant brain tumor noted for its extensive vascularity, aggressiveness, and highly invasive nature, suggesting that cell migration plays an important role in tumor progression. The poor prognosis in GBM is associated with a high rate of tumor recurrence, and resistance to the standard of care chemotherapy, temozolomide (TMZ). The novel compound NEO212, a conjugate of TMZ and perillyl alcohol (POH), has proven to be 10 fold more cytotoxic to glioma stem cells (GSCs) than TMZ, and is active against TMZ-resistant tumor cells...
February 13, 2018: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29439504/comparing-the-potential-of-multispectral-and-hyperspectral-data-for-monitoring-oil-spill-impact
#8
Shruti Khanna, Maria J Santos, Susan L Ustin, Kristen Shapiro, Paul J Haverkamp, Mui Lay
Oil spills from offshore drilling and coastal refineries often cause significant degradation of coastal environments. Early oil detection may prevent losses and speed up recovery if monitoring of the initial oil extent, oil impact, and recovery are in place. Satellite imagery data can provide a cost-effective alternative to expensive airborne imagery or labor intensive field campaigns for monitoring effects of oil spills on wetlands. However, these satellite data may be restricted in their ability to detect and map ecosystem recovery post-spill given their spectral measurement properties and temporal frequency...
February 12, 2018: Sensors
https://www.readbyqxmd.com/read/29439310/lncrna-ab073614-induces-epithelial-mesenchymal-transition-of-colorectal-cancer-cells-via-regulating-the-jak-stat3-pathway
#9
Jinfang Xue, Liya Liao, Fang Yin, Haoyu Kuang, Xiaojun Zhou, Yanan Wang
BACKGROUND: LncRNAs are involved in the metastasis and recurrence of human tumors, including colorectal cancer (CRC). We previously reported that lncRNA AB073614 promotes tumor proliferation and metastasis and predicted a poor clinical outcome of CRC patients. Herein, we investigated the underlying mechanism of lncRNA AB073614-related metastasis in CRC. MATERIAL AND METHODS: The expression of lncRNA AB073614 in CRC tissues were evaluated by quantitative real-time PCR (qRT-PCR)...
January 26, 2018: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29439261/metabolomics-reveals-protection-of-resveratrol-in-diet-induced-metabolic-risk-factors-in-abdominal-muscle
#10
Guoyou Chen, Guozhu Ye, Xinbo Zhang, Xiaoxiao Liu, Yingfeng Tu, Zengjie Ye, Jincheng Liu, Qi Guo, Zhiguo Wang, Lin Wang, Sijun Dong, Yuhua Fan
BACKGROUND/AIMS: Abdominal obesity is recognized as the main reason of metabolic syndrome, which is closely related to disordered skeletal and/or abdominal muscle metabolic functions. Metabolomics is a comprehensive assessment system in biological metabolites. The aim of our present study is to investigate the diet-induced metabolic risk factors by metabolic in the abdominal muscles and clarify the relationship between atheroprotective effects of Resveratrol (Rev) and abdominal muscles metabolic components during the development of atherosclerosis...
February 7, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29439245/downregulation-of-spink13-promotes-metastasis-by-regulating-upa-in-ovarian-cancer-cells
#11
Shengyun Cai, Pei Zhang, Suhe Dong, Li Li, Jianming Cai, Mingjuan Xu
BACKGROUND/AIMS: Ovarian cancer (OC) is the fifth leading cause of cancer-related death in women, and it is difficult to diagnose at an early stage. The purpose of this study was to explore the prognostic biological markers of OC. METHODS: Univariate Cox regression analysis was used to identify genes related to OC prognosis from the Cancer Genome Atlas(TCGA) database. Immunohistochemistry was used to analyse the level of SPINK13 in OC and normal tissues. Cell proliferation, apoptosis and invasion were performed using MTT assay, flow cytometric analysis and Transwell assay, respectively...
February 7, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29438480/human-trophoblast-epithelial-mesenchymal-transition-in-abnormally-invasive-placenta
#12
Sonia DaSilva-Arnold, Stacy Zamudio, Abdulla Al-Khan, Jesus Alvarez-Perez, Ciaran Mannion, Christopher Koenig, Davlyn Luke, Anisha Perez, Margaret Petroff, Manuel Alvarez, Nicholas P Illsley
Differentiation of first trimester human placental cytotrophoblast from an anchorage-dependent epithelial phenotype into the mesenchymal-like invasive extravillous trophoblast is crucial in the development of the maternal-fetal interface. We showed previously that differentiation of first trimester cytotrophoblast to extravillous trophoblast involves an epithelial-mesenchymal transition (EMT). Here we compare the epithelial-mesenchymal characteristics of cytotrophoblast (CTB) and extravillous trophoblast (EVT) derived from normal third trimester placenta or placenta previa versus abnormally invasive placenta (AIP)...
February 9, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29437854/bet-proteins-exhibit-transcriptional-and-functional-opposition-in-the-epithelial-to-mesenchymal-transition
#13
Guillaume P Andrieu, Gerald V Denis
Transcriptional programs in embryogenesis and cancer, such as the epithelial-to-mesenchymal transition (EMT), ensure cellular plasticity, an essential feature of carcinoma progression. As effectors of signal transduction, the bromodomain and extraterminal (BET) proteins are well suited to support plasticity because they function as co-activators or co-repressors of mammalian transcriptomes. Here, using both hormone-sensitive and triple-negative breast cancer (TNBC) model systems, we systematically altered EMT transcriptional profiles by manipulating individual BET proteins and found that BRD2 positively regulates EMT, whereas BRD3 and BRD4 repress this program...
February 7, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29437830/face-morphogenesis-is-promoted-by-pbx-dependent-emt-via-regulation-of-snail1-during-frontonasal-prominence-fusion
#14
Marta Losa, Maurizio Risolino, Bingsi Li, James Hart, Laura Quintana, Irina Grishina, Hui Yang, Irene F Choi, Patrick Lewicki, Sameer Khan, Robert Aho, Jennifer Feenstra, C Theresa Vincent, Anthony M C Brown, Elisabetta Ferretti, Trevor Williams, Licia Selleri
Human cleft lip with or without cleft palate (CL/P) is a common craniofacial abnormality caused by impaired fusion of the facial prominences. We have previously reported that in the mouse embryo epithelial apoptosis mediates fusion at the seam where the prominences coalesce. Here, we show that apoptosis alone is not sufficient to remove the epithelial layers. We observed morphological changes in the seam epithelia, intermingling of cells of epithelial descent into the mesenchyme, and molecular signatures of Epithelial-Mesenchymal-Transition (EMT)...
February 5, 2018: Development
https://www.readbyqxmd.com/read/29436741/targeting-epithelial-to-mesenchymal-transition-in-prostate-cancer-by-a-novel-compound-plectranthoic-acid-isolated-from-ficus-microcarpa
#15
Nosheen Akhtar, Deeba N Syed, Rahul K Lall, Bushra Mirza, Hasan Mukhtar
Epithelial-to-mesenchymal transition (EMT) plays a crucial role in prostate cancer (PCa) metastasis. This has led to a surge in the efforts for identification of safer and more effective compounds which can modulate EMT and consequently inhibiting migration and invasion of PCa cells. We reported previously that Plectranthoic acid (PA), a natural compound isolated from the extracts of Ficus microcarpa, has the capability to induce cell cycle arrest and apoptosis in PCa cells. Here, we determined the effects of PA on EMT, migration and invasion of PCa cells...
February 13, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29436686/downregulation-of-the-long-non-coding-rna-xloc_010588-inhibits-the-invasion-and-migration-of-colorectal-cancer
#16
Yue Li, Lin Zhao, Yining Zhang, Lin Guan, Huijing Zhang, Huan Zhou, Tong Gao, Peng Miao, Mingjun Sun
Long non-coding RNAs (lncRNAs) have emer-ged as major players in many biological and pathological processes; however, investigation into the function of lncRNAs in the development and progression of cancer is in its infancy. Therefore, clarification of the mechanism by which cancer‑related lncRNAs function is of critical importance in research on tumorigenesis. It has been demonstrated that the lncRNA XLOC_010588 is expressed at a low level in cervical cancer, and that this has significant impact on the proliferation of cervical cancer cells...
February 12, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29436636/effects-of-bradykinin-on-tgf%C3%A2-%C3%AE-1%C3%A2-induced-epithelial%C3%A2-mesenchymal-transition-in-arpe%C3%A2-19-cells
#17
Qingquan Wei, Qingyu Liu, Chengda Ren, Junling Liu, Wenting Cai, Meijiang Zhu, Huizi Jin, Mengmei He, Jing Yu
The aim of the present study was to investigate the effects of bradykinin (BK) on an epithelial-mesenchymal transition (EMT) model in retinal pigment epithelium (RPE) cells through exposure to transforming growth factor‑β1 (TGF‑β1). The aim was to improve the effect of BK on proliferative vitreoretinopathy (PVR) progression, and to find a novel method of clinical prevention and treatment for PVR. The morphology of ARPE‑19 cells was observed using an inverted phase‑contrast microscope. A Cell Counting Kit‑8 was used to assess the effects of TGF‑β1 on the proliferation of ARPE‑19 cells...
February 2, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29436620/highglucose-induces-podocyteepithelial%C3%A2-to%C3%A2-mesenchymal-transition-by-demethylation%C3%A2-mediated-enhancement-of-mmp9-expression
#18
Li Ling, Libo Chen, Changning Zhang, Shuyan Gui, Haiyan Zhao, Zhengzhang Li
Abnormal expression of matrix metalloproteinase 9 (MMP9) is correlated with podocyte epithelial-to---mesenchymal transition (EMT) in diabetic nephropathy (DN). However, the mechanisms underlying this process are not well defined. Site‑specific demethylation may sustain high expression levels of target genes. In the present study, in order to investigate the association between DNA demethylation of MMP9 promoter and podocyte EMT in DN, human podocytes were cultured in high‑glucose (HG) medium and a rat model of DN was established by intraperitoneal injection of streptozotocin (STZ) to determine whether site‑specific demethylation of the MMP9 promoter was involved in regulating podocyte EMT in DN...
February 2, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29436615/identification-and-validation-of-the-role-of-matrix-metalloproteinase-1-in-cervical-cancer
#19
Run Tian, Xiaofang Li, Yan'e Gao, Yue Li, Pei Yang, Kunzheng Wang
Lymph node (LN) metastasis at an early stage of cervical cancer is often an indicator of poor prognosis and is critical for subsequent adjuvant therapy. The current study aimed to identify aberrant gene signatures and biomarkers of metastasis for patients with cervical cancer. RNA-sequencing data of 132 LN negative (N0) and 60 LN positive (N1) cervical cancer samples obtained from The Cancer Genome Atlas database were analyzed. Differentially expressed genes were identified using R packages 'edgeR' and 'limma'...
February 7, 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29436600/adenovirus-mediated-p311-ameliorates-renal-fibrosis-through-inhibition-of-epithelial-mesenchymal-transition-via-tgf-%C3%AE-1-smad-ilk-pathway-in-unilateral-ureteral-obstruction-rats
#20
Fang-Hua Qi, Ping-Ping Cai, Xiang Liu, Guo-Min Si
Epithelial-mesenchymal transition (EMT) is a critical step and key factor during renal fibrosis. Preventing renal tubular EMT is important for delaying the progression of chronic kidney disease (CKD). P311, a highly conserved 8-kDa intracellular protein, has been indicated as an important factor in myofibroblast transformation and in the progression of fibrosis. However, the related studies on P311 on renal fibrosis are limited and the mechanisms of P311 in the progression of renal tubulointerstitial fibrosis remain largely unknown...
February 12, 2018: International Journal of Molecular Medicine
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