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https://www.readbyqxmd.com/read/29031201/long-non-coding-rna-or3a4-promotes-proliferation-and-migration-in-breast-cancer
#1
Genxiang Liu, Xingchi Hu, Guangjun Zhou
More and more researches have shown the vital functions of long non-coding RNAs (LncRNAs) in modulating the biological progresses in tumorigenesis. OR3A4 is such a type of lncRNA. The long non-coding RNA (lncRNA) OR3A4 has recently been exposed to be exceptionally expressed and referred to the development of several cancers. Nevertheless, the biological function and clinical significance of OR3A4 in the carcinogenesis of breast cancer (BC) are still blurry. Therefore, we carried out the following study to make sure the underlying functions of OR3A4 in breast cancer...
October 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29029361/the-mechanism-of-attenuation-of-epithelial-mesenchymal-transition-by-a-phosphodiesterase-5-inhibitor-via-renal-klotho-expression
#2
Seung Tae Han, Jae Seok Kim, Jun Young Lee, Min Keun Kim, Jin Sae Yoo, Byoung Geun Han, Seung Ok Choi, Jae Won Yang
OBJECTIVES: Phosphodiesterase-5 (PDE-5) inhibitors induces vasodilation in several organs by blocking cyclic GMP (guanosine monophosphate) degradation. However, the existence of alternative mechanism of action in case of an impaired nitric oxide (NO) system remains controversial. Previous studies suggested that decreased NO bioavailability may result in the down-regulation of klotho expression, but the relationship between klotho and NO remains obscure. Therefore, we investigated whether a PDE-5 inhibitor could preserve epithelial mesenchymal transition (EMT) and relationship exists between the NO and renal klotho expression...
October 13, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/29028349/proteomic-profiling-of-%C3%AE-hcg-induced-spheres-in-brca1-defective-triple-negative-breast-cancer-cells
#3
Satheesh Kumar Sengodan, Arathi Rajan, Sreelatha Krishnakumar Hemalatha, Revathy Nadhan, Abdul Jaleel, Priya Srinivas
Previously we identified that β-hCG is expressed by BRCA1 mutated but not wild type breast cancers in-vitro/in-vivo and exhibit a novel event in β-hCG over expressing BRCA1 mutated HCC1937cells where the cells were able to form spheres in adherent cell culture plates even in the absence of any growth factors. These spheres express stem cell and EMT markers. In the present study we carried out the total proteomic profiling of these HCC1937 β spheres obtained from BRCA1 defective β-hCG expressing stable breast cancer cells to analyze the cell signaling pathways that are active in these cells...
October 13, 2017: Journal of Proteome Research
https://www.readbyqxmd.com/read/29028086/downregulation-of-microrna-645-suppresses-breast-cancer-cell-metastasis-via-targeting-dcdc2
#4
Y Cai, W-F Li, Y Sun, K Liu
OBJECTIVE: To analyze the functioning mode of miR-645 on breast cancer cell metastasis and provide therapeutic targets for breast cancer. MATERIALS AND METHODS: Quantitative Real-time PCR (qRT-PCR) assay was employed to detect miR-645 expression level. Wound healing assay and transwell assay were performed to investigate metastasis capacity of breast cancer cells. Protein levels were assessed by Western blotting assay. The target gene was predicted and verified by bioinformatics analysis and luciferase assay...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29028085/nestin-and-cd146-expression-in-metaplastic-breast-cancer-stem-cell-therapy-in-need-lessons-reported-from-a-male-patient
#5
A Tampakis, E C Tampaki, D Trafalis, A Nonni, K Kontzoglou, E Patsouris, M Kontos, G Kouraklis
OBJECTIVE: Metaplastic breast carcinomas represent a rare subtype of breast cancer exhibiting aggressive clinical features. They appear as highly chemoresistant tumors, therefore showing poor outcome and high rates of local recurrence or distant metastasis. CASE REPORT: A 37-year-old greek man was referred to our hospital for evaluation of a locally advanced, ulcerated, fixed, irregular and hard in consistency mass covering his left breast and chest wall. Further work out with CT and biopsy of the tumor revealed a triple negative metaplastic breast cancer classified as cT4cN3cM1...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29027712/upregulation-of-ube2q1-via-gene-copy-number-gain-in-hepatocellular-carcinoma-promotes-cancer-progression-through-%C3%AE-catenin-egfr-pi3k-akt-mtor-signaling-pathway
#6
Bin Zhang, Chao Deng, Lei Wang, Fan Zhou, Shu Zhang, Wei Kang, Ping Zhan, Juan Chen, Shanshan Shen, Huimin Guo, Ming Zhang, Yi Wang, Feng Zhang, Wei Zhang, Jiangqiang Xiao, Bo Kong, Helmut Friess, Yuzheng Zhuge, Hongli Yan, Xiaoping Zou
Hepatocellular carcinoma (HCC) is the most common type of liver cancer and represents a highly malignant tumor with a poor prognosis. Therapeutic modalities for HCC are limited and generally ineffective. UBE2Q1 is a putative E2 ubiquitin conjugating enzyme, and has been shown to be overexpressed in various types of cancers including HCC. How UBE2Q1 contributes to hepatocarcinogenesis remains unknown. Here, we show that UBE2Q1 is up-regulated in HCC cell lines and in a subset of human HCC tissues. Up-regulation of UBE2Q1 in primary HCC tumors was significantly correlated with shorter overall survival and disease-free survival...
October 13, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29027279/long-non-coding-rna-pvt1-emerging-biomarker-in-digestive-system-cancer
#7
REVIEW
Dan-Dan Zhou, Xiu-Fen Liu, Cheng-Wei Lu, Om Prakash Pant, Xiao-Dong Liu
The digestive system cancers are leading cause of cancer-related death worldwide, and have high risks of morbidity and mortality. More and more long non-coding RNAs (lncRNAs) have been studied to be abnormally expressed in cancers and play a key role in the process of digestive system tumour progression. Plasmacytoma variant translocation 1 (PVT1) seems fairly novel. Since 1984, PVT1 was identified to be an activator of MYC in mice. Its role in human tumour initiation and progression has long been a subject of interest...
October 12, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/29026523/medical-support-during-an-ironman-70-3-triathlon-race
#8
Hae-Rang Yang, Jinwoo Jeong, Injoo Kim, Ji Eun Kim
BACKGROUND: The Ironman 70.3 race is also called a half Ironman, and consists of 1.9 km of swimming, 90.1 km of cycling, and 21.1 km of running. The authors provide practical insights that may be useful for medical support in future events by summarizing the process and results of on-scene medical care. METHODS: The medical post was established at the transition area between the cycling and running courses, which was close to the finish line, and staffed with the headquarters team comprised of an emergency physician, an EMT, two nurses, and an ambulance with a driver...
2017: F1000Research
https://www.readbyqxmd.com/read/29026462/murine-hepatocellular-carcinoma-derived-stem-cells-reveal-epithelial-to-mesenchymal-plasticity
#9
Aparna Jayachandran, Ritu Shrestha, Bijay Dhungel, I-Tao Huang, Marianna Yumi Kawashima Vasconcelos, Brian J Morrison, Charmaine A Ramlogan-Steel, Jason C Steel
AIM: To establish a model to enrich and characterize stem-like cells from murine normal liver and hepatocellular carcinoma (HCC) cell lines and to further investigate stem-like cell association with epithelial-to-mesenchymal transition (EMT). METHODS: In this study, we utilized a stem cell conditioned serum-free medium to enrich stem-like cells from mouse HCC and normal liver cell lines, Hepa 1-6 and AML12, respectively. We isolated the 3-dimensional spheres and assessed their stemness characteristics by evaluating the RNA levels of stemness genes and a cell surface stem cell marker by quantitative reverse transcriptase-PCR (qRT-PCR)...
September 26, 2017: World Journal of Stem Cells
https://www.readbyqxmd.com/read/29026322/molecular-classification-of-esophagogastric-junction-carcinoma-correlated-with-prognosis
#10
Long Zou, Yinying Wu, Ke Ma, Yangwei Fan, Danfeng Dong, Ningyan Geng, Enxiao Li
A novel molecular classification of gastric cancer by the Asian Cancer Research Group (ACRG) is a potential advance in diagnosis and treatment, and it helps to determine prognosis. The use of immunohistochemistry (IHC) rather than gene expression analysis to determine tumor subtypes was evaluated with the aim of determining the feasibility of using the ACRG molecular classification. A total of 69 esophagogastric junction (EGJ) carcinomas were classified as microsatellite instable (MSI, 17.40%, 12 of 69), microsatellite stable with markers of epithelial-to-mesenchymal transition (MSS/EMT, 18...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29026320/quercetin-inhibits-epithelial-mesenchymal-transition-decreases-invasiveness-and-metastasis-and-reverses-il-6-induced-epithelial-mesenchymal-transition-expression-of-mmp-by-inhibiting-stat3-signaling-in-pancreatic-cancer-cells
#11
Dinglai Yu, Tingting Ye, Yukai Xiang, Zhehao Shi, Jie Zhang, Bin Lou, Fan Zhang, Bicheng Chen, Mengtao Zhou
Quercetin, a flavone, is multifaceted, having anti-oxidative, anti-inflammatory, and anticancer properties. In the present study, we explored the effects of quercetin on the epithelial-mesenchymal transition (EMT) and invasion of pancreatic cancer cells and the underlying mechanisms. We noted that quercetin exerted pronounced inhibitory effects in PANC-1 and PATU-8988 cells. Moreover, quercetin inhibited EMT and decreased the secretion of matrix metalloproteinase (MMP). Meanwhile, we determined the activity of STAT3 after quercetin treatment...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29026202/loss-of-abhd5-promotes-the-aggressiveness-of-prostate-cancer-cells
#12
Guohua Chen, Guoli Zhou, Siddhesh Aras, Zhenhui He, Stephanie Lucas, Izabela Podgorski, Wael Skar, James G Granneman, Jian Wang
The accumulation of neutral lipids in intracellular lipid droplets has been associated with the formation and progression of many cancers, including prostate cancer (PCa). Alpha-beta Hydrolase Domain Containing 5 (ABHD5) is a key regulator of intracellular neutral lipids that has been recently identified as a tumor suppressor in colorectal cancer, yet its potential role in PCa has not been investigated. Through mining publicly accessible PCa gene expression datasets, we found that ABHD5 gene expression is markedly decreased in metastatic castration-resistant PCa (mCRPC) samples...
October 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29025375/dopamine-induced-sult1a3-4-promotes-emt-and-cancer-stemness-in-hepatocellular-carcinoma
#13
Juan Zou, Hong Li, Qianling Huang, Xiaomin Liu, Xiaoxiao Qi, Ying Wang, Linlin Lu, Zhongqiu Liu
Hepatocellular carcinoma has the second highest incidence rate among malignant cancers in China. Hepatocellular carcinoma development is complex because of the metabolism disequilibrium involving SULT1A3/4, a predominant sulfotransferase that metabolizes sulfonic xenobiotics and endogenous catecholamines. However, the correlation between SULT1A3/4 and hepatocellular carcinoma progression is unclear. By utilizing immunofluorescence and immunohistochemical analysis, we found that in nine hepatocellular carcinoma clinical specimens, SULT1A3/4 was abundantly expressed in tumor tissues compared to that in the adjacent tissues...
October 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/29025258/microrna-373-inhibits-cell-proliferation-and-invasion-via-targeting-brf2-in-human-non-small-cell-lung-cancer-a549-cell-line
#14
Lei Wang, Junfeng Qu, Li Zhou, Fei Liao, Ju Wang
Purpose: The purpose of this study was to investigate the biological role and mechanism of miR-373 targeting of TFIIB-related factor 2 (BRF2) in the regulation of non-small cell lung cancer (NSCLC) cells. Methods: miRNA microarray chip analysis of four paired NSCLC and adjacent non-tumor tissues was performed. Quantitative real-time polymerase chain reaction (qRT-PCR) and western blotting were used to detect the expression levels of miR-373 and BRF2 in NSCLC tissues and cell lines...
October 12, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/29024700/high-ybx1-expression-indicates-poor-prognosis-and-promotes-cell-migration-and-invasion-in-nasopharyngeal-carcinoma
#15
Lei-Lei Zhou, Jie Ni, Wan-Ting Feng, Rong Yao, Shun Yue, Ya-Ning Zhu, Hai-Yan Tang, Ling-Yun Lv, Ji-Feng Feng, Wei-Guo Zhu
Y-box binding protein-1 (YBX1) is a multifunctional protein and often acts as an indicator of poor prognosis in cancers. Increasing evidence has shown that the levels of YBX1 protein were closely associated with multidrug resistance, relapse, metastasis and poor prognosis in cancers. However, its role in nasopharyngeal carcinoma (NPC) metastasis remains unknown. In our study, we discovered that the expression of YBX1 was increased in nasopharyngeal carcinoma tissues. YBX1 protein levels positively correlated with T stage and metastasis of NPC patients...
October 9, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/29022908/mir-143-and-mir-145-inhibit-gastric-cancer-cell-migration-and-metastasis-by-suppressing-myo6
#16
Chao Lei, Feng Du, Lina Sun, Ting Li, Tingyu Li, Yali Min, Aiying Nie, Xin Wang, Lei Geng, Yuanyuan Lu, Xiaodi Zhao, Yongquan Shi, Daiming Fan
Metastasis is a major clinical obstacle responsible for the high mortality and poor prognosis of gastric cancer (GC). MicroRNAs (miRNAs) are critical mediators of metastasis that act by modulating their target genes. In this study, we found that miR-143 and miR-145 act via a common target gene, MYO6, to regulate the epithelial-mesenchymal transition (EMT) and inhibit metastasis. We determined that miR-143 and miR-145 were downregulated in GC, and the ectopic expression of miR-143 and/or miR-145 inhibited GC cell migration and metastasis...
October 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29022903/alternative-mechanisms-of-mir-34a-regulation-in-cancer
#17
REVIEW
Eva Slabáková, Zoran Culig, Ján Remšík, Karel Souček
MicroRNA miR-34a is recognized as a master regulator of tumor suppression. The strategy of miR-34a replacement has been investigated in clinical trials as the first attempt of miRNA application in cancer treatment. However, emerging outcomes promote the re-evaluation of existing knowledge and urge the need for better understanding the complex biological role of miR-34a. The targets of miR-34a encompass numerous regulators of cancer cell proliferation, survival and resistance to therapy. MiR-34a expression is transcriptionally controlled by p53, a crucial tumor suppressor pathway, often disrupted in cancer...
October 12, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29021386/suppression-of-microrna-activity-in-kidney-collecting-ducts-induces-partial-loss-of-epithelial-phenotype-and-renal-fibrosis
#18
Sachin Hajarnis, Matanel Yheskel, Darren Williams, Thomas Brefort, Bob Glaudemans, Huguette Debaix, Michel Baum, Olivier Devuyst, Vishal Patel
microRNAs (miRNAs) are sequence-specific inhibitors of post-transcriptional gene expression. The physiologic function of these noncoding RNAs in postnatal renal tubules still remains unclear. Surprisingly, they appear to be dispensable for mammalian proximal tubule (PT) function. Here, we examined the effects of miRNA suppression in collecting ducts (CDs). To conclusively evaluate the role of miRNAs, we generated three mouse models with CD-specific inactivation of key miRNA pathway genes Dicer, Dgcr8, and the entire Argonaute gene family (Ago1, 2, 3, and 4)...
October 11, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29021381/activation-of-fak-and-src-mediates-acquired-sorafenib-resistance-in-a549-human-lung-adenocarcinoma-xenografts
#19
Qingyu S Zhou, Xiaofang Guo, Riya Choksi
Despite encouraging clinical results with sorafenib monotherapy in patients with KRAS-mutant non-small cell lung cancer (NSCLC), the overall survival benefit of this drug is limited by the inevitable development of acquired resistance. The exact mechanism underlying acquired sorafenib resistance in KRAS-mutant NSCLC is unclear. In this study, the mechanism of acquired sorafenib resistance was explored using a biologically relevant xenograft model, which was established by using the A549 human lung adenocarcinoma cell line and an in-vivo derived sorafenib-resistant A549 subline (A549/SRFres)...
October 11, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29020987/shcbp1-promotes-synovial-sarcoma-cell-metastasis-via-targeting-tgf-%C3%AE-1-smad-signaling-pathway-and-is-associated-with-poor-prognosis
#20
Changliang Peng, Hui Zhao, Yan Song, Wei Chen, Xiaoying Wang, Xiaoli Liu, Cheng Zhang, Jie Zhao, Ji Li, Guanghui Cheng, Dongjin Wu, Chunzheng Gao, Xiuwen Wang
BACKGROUND: Our previous studies reported that SHC SH2-domain binding protein 1 (SHCBP1) functions as an oncogene via promoting cell proliferations in synovial sarcoma (SS) cells. However, whether SHCBP1 has any effect on tumor metastasis remains unexplored. METHODS: The expression of SHCBP1 was analyzed in 76 SS tissues and two SS cell lines by immunohistochemistry and real-time RT-PCR. The relationship between SHCBP1 expression and the clinicopathological features of SS was investigated...
October 11, 2017: Journal of Experimental & Clinical Cancer Research: CR
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