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https://www.readbyqxmd.com/read/29447301/esophageal-squamous-cell-carcinoma-with-low-mitochondrial-copy-number-has-mesenchymal-and-stem-like-characteristics-and-contributes-to-poor-prognosis
#1
Yasunori Masuike, Koji Tanaka, Tomoki Makino, Makoto Yamasaki, Yasuhiro Miyazaki, Tsuyoshi Takahashi, Yukinori Kurokawa, Kiyokazu Nakajima, Masaki Mori, Yuichiro Doki
Alterations in mitochondrial DNA (mtDNA) copy numbers in various human cancers have been studied, but any such changes in esophageal squamous cell carcinoma (ESCC) are not established. In the present study, we investigated the correlation of mtDNA copy number with clinicopathologic features, prognosis, and malignant potential of ESCC. MtDNA copy numbers of resected specimens from 80 patients treated with radical esophagectomy were measured by quantitative real-time PCR analyses. Human ESCC cells, TE8 and TE11, were cultured, and depletion of mtDNA content was induced by knockdown of mitochondrial transcription factor A expression or treatment with ethidium bromide...
2018: PloS One
https://www.readbyqxmd.com/read/29445342/the-a-2b-adenosine-receptor-modulates-the-epithelial-mesenchymal-transition-through-the-balance-of-camp-pka-and-mapk-erk-pathway-activation-in-human-epithelial-lung-cells
#2
Chiara Giacomelli, Simona Daniele, Chiara Romei, Laura Tavanti, Tommaso Neri, Ilaria Piano, Alessandro Celi, Claudia Martini, Maria L Trincavelli
The epithelial-mesenchymal transition (EMT) is a complex process in which cell phenotype switches from the epithelial to mesenchymal one. The deregulations of this process have been related with the occurrence of different diseases such as lung cancer and fibrosis. In the last decade, several efforts have been devoted in understanding the mechanisms that trigger and sustain this transition process. Adenosine is a purinergic signaling molecule that has been involved in the onset and progression of chronic lung diseases and cancer through the A 2B adenosine receptor subtype activation, too...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29444423/nuclear-organization-in-the-spinal-cord-depends-on-motor-neuron-lamination-orchestrated-by-catenin-and-afadin-function
#3
Carola Dewitz, Sofia Pimpinella, Patrick Hackel, Altuna Akalin, Thomas M Jessell, Niccolò Zampieri
Motor neurons in the spinal cord are found grouped in nuclear structures termed pools, whose position is precisely orchestrated during development. Despite the emerging role of pool organization in the assembly of spinal circuits, little is known about the morphogenetic programs underlying the patterning of motor neuron subtypes. We applied three-dimensional analysis of motor neuron position to reveal the roles and contributions of cell adhesive function by inactivating N-cadherin, catenin, and afadin signaling...
February 13, 2018: Cell Reports
https://www.readbyqxmd.com/read/29442042/trim59-promotes-cell-proliferation-migration-and-invasion-in-human-hepatocellular-carcinoma-cells
#4
Gang Sun, Xin Sui, Dayue Han, Jianjun Gao, Yining Liu, Lin Zhou
The human tripartite motif (TRIM) 59 has been implicated in tumorigenesis of many types of cancer. However, the biological function and molecular mechanism of TRIM59 in hepatocellular carcinoma (HCC) remains unknown. In our study, the purpose was to investigate the impact of TRIM59 on the biologic behavior of HCC cells. We observed that TRIM59 was highly expressed in HCC cells compared with a normal human hepatocyte cell line. Lentivirus-mediated knocking down of TRIM59 significantly suppressed the proliferation, migration and invasion of HCC cells, whereas overexpression of TRIM59 enhanced cell growth and metastasis...
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
#5
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/29439310/lncrna-ab073614-induces-epithelial-mesenchymal-transition-of-colorectal-cancer-cells-via-regulating-the-jak-stat3-pathway
#6
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/29438779/down-regulation-of-mirna-320c-promotes-tumor-growth-and-metastasis-and-predicts-poor-prognosis-in-human-glioma
#7
Qiao-Li Lv, Hui-Ting Zhu, Xiao-Hua Cheng, Hong-Mi Li, Hong-Hao Zhou, Shu-Hui Chen
Emerging studies show that dysregulated miRNAs are implicated in tumorigenesis and progression of various cancers. MiRNA-320c, an important member of miRNA-320 family, was characterized as a new candidate miRNA that suppressed the development of colorectal cancer and bladder cancer. However, the function of miRNA-320c in human glioma remained unclear. Here, we found that miRNA-320c was significantly down-regulated in glioma tissues and cell lines in contrast with normal brain tissues, being tightly related to clinical stage of glioma by qRT-PCR...
February 10, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29437039/microrna-1246-is-an-exosomal-biomarker-for-aggressive-prostate-cancer
#8
Divya Bhagirath, Thao Ly Yang, Nathan Bucay, Kirandeep Sekhon, Shahana Majid, Varahram Shahryari, Rajvir Dahiya, Yuichiro Tanaka, Sharanjot Saini
Due to high heterogeneity, molecular characterization of prostate cancer (PCa) based on biopsy sampling is often challenging. Hence, a minimally invasive method to determine the molecular imprints of a patient's tumor for risk stratification would be advantageous. In this study, we employ a novel, digital amplification-free quantification method using the nCounter technology (Nanostring Technologies) to profile exosomal serum miRNAs (ex-miRNA) from aggressive PCa cases, benign prostatic hyperplasia (BPH), and disease-free controls...
February 1, 2018: Cancer Research
https://www.readbyqxmd.com/read/29435065/increased-expression-of-monoamine-oxidase-a-is-associated-with-epithelial-to-mesenchymal-transition-and-clinicopathological-features-in-non-small-cell-lung-cancer
#9
Fei Liu, Liang Hu, Yuefan Ma, Bingyu Huang, Zihan Xiu, Peihua Zhang, Keyuan Zhou, Xudong Tang
Monoamine oxidase A (MAOA), a mitochondrial enzyme, is closely associated with neurological disorders. Recently, MAOA has been linked to the progression of prostate cancer, hepatocellular carcinoma, and cholangiocarcinoma. However, MAOA was reported to have different effects on the progression of these types of cancer, and the role of MAOA in non-small cell lung cancer (NSCLC) progression remains unclear. The present study determined the expression of MAOA and epithelial to mesenchymal transition (EMT) markers in 45 pairs of NSCLC and matched non-tumor adjacent lung tissues, and further analyzed the correlation between MAOA expression and the EMT or the development of clinicopathological features...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29435056/furin-inhibitor-d6r-suppresses-epithelial-mesenchymal-transition-in-sw1990-and-patu8988-cells-via-the-hippo-yap-signaling-pathway
#10
Meng Zhou, Youli Zhang, Hong Wei, Junbo He, Dawei Wang, Baoding Chen, Jian Zeng, Aihua Gong, Min Xu
Hexa-D-arginine (D6R), an inhibitor of furin, has potential therapeutic applications in different types of human tumor. However, the function of D6R in targeting pancreatic cancer cells remains to be elucidated. In the present study, the proliferation, invasion and migration abilities of SW1990 and PaTu8988 cells were examined using a Cell Counting Kit-8, and Transwell and wound healing assays. Subsequently, the expression of proteins associated with epithelial-mesenchymal transition (EMT) and the Hippo-yes-associated protein (YAP) pathway were detected using western blot analysis...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29435022/metformin-inhibits-the-migration-and-invasion-of-esophageal-squamous-cell-carcinoma-cells-by-downregulating-the-protein-kinase-b-signaling-pathway
#11
Yindi He, Xiaojun Tan, Hui Hu, Qinjia Wang, Xi Hu, Xianbin Cai, Yinghong Guan, Binming Chen, Xubin Jing
Previous studies have suggested that metformin, a biguanide family member widely used as an oral antidiabetic drug, may inhibit proliferation and induce apoptosis in certain types of cancer cell. However, the molecular mechanisms underlying metformin-associated anticancer effects, and in particular antimetastatic effects, remain to be fully understood. The present study assessed the efficacy of metformin in inhibiting the migration and invasion of the esophageal carcinoma cell line EC109, and evaluated the effect of metformin on the protein kinase B (AKT) signaling pathway...
March 2018: Oncology Letters
https://www.readbyqxmd.com/read/29434823/long-non-coding-rna-sox2ot-promotes-cell-proliferation-and-motility-in-human-ovarian-cancer
#12
Ling Han, Wei Zhang, Bingyi Zhang, Leyun Zhan
Ovarian cancer is one of the most common malignant gynecological cancers. Although conventional chemotherapies have improved the treatment of patients with ovarian cancer, the mortality rate remains high. Hence, it is crucial that the detailed mechanisms that promote ovarian cancer are urgently identified. Therefore, reverse transcription-quantitative polymerase chain reaction was used to reveal the relative transcript levels. Colony formation assay and cell cycle assay were performed in siRNA-treated cells...
February 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29434219/nemopilema-nomurai-jellyfish-venom-exerts-an-anti-metastatic-effect-by-inhibiting-smad-and-nf-%C3%AE%C2%BAb-mediated-epithelial-mesenchymal-transition-in-hepg2-cells
#13
Hyunkyoung Lee, Min Jung Pyo, Seong Kyeong Bae, Yunwi Heo, Indu Choudhary, Duhyeon Hwang, Hyeryeon Yang, Je-Hein Kim, Jinho Chae, Chang Hoon Han, Changkeun Kang, Seungshic Yum, Euikyung Kim
Epithelial-mesenchymal transition (EMT) is a key initial step in metastasis for malignant cancer cells to obtain invasive and motile properties. Inhibiting EMT has become a new strategy for cancer therapy. In our previous in vivo study, Nemopilema nomurai jellyfish venom (NnV) -treated HepG2 xenograft mice group showed that E-cadherin expression was strongly detected compared with non-treated groups. Therefore, this study aimed to determine whether NnV could inhibit the invasive and migratory abilities of HepG2 human hepatocellular carcinoma cells and to examine its effect on EMT...
February 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29432996/lncrna-let-inhibits-cell-viability-migration-and-emt-while-induces-apoptosis-by-up-regulation-of-timp2-in-human-granulosa-like-tumor-cell-line-kgn
#14
Qingfang Han, Wenke Zhang, Jinlai Meng, Li Ma, Aihua Li
BACKGROUND: Polycystic ovary syndrome (PCOS) is a common endocrine disease characterized by hyperandrogenism, irregular menses, and polycystic ovaries. Several long non-coding RNAs (lncRNAs) are aberrantly expressed in PCOS patients; however, little is known about the effects of the lncRNA-low expression in tumor (lncRNA-LET) on PCOS. We aimed to explore the effects of lncRNA-LET on human granulosa-like tumor cell line, KGN. METHODS: Expression of lncRNA-LET in normal IOSE80 cells and granulosa cells was determined by qRT-PCR...
February 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29429273/-effects-of-monobutyl-phthalate-on-migration-and-invasion-of-mouse-leydig-tumor-cells
#15
P Gong, H C Lu, C Zhang, S S Chen, Y B Wang
Objective: This study aimed to investigate the influence of monobutyl phthalate (MBP) on the expressions of epithelial-mesenchymal transition (EMT)-related proteins, migration and invasion of mouse Leydig tumor cells (MLTC-1) cells. Methods: After exposed to different doses of MBP (0、10(-7)、10(-6), 10(-5), 10(-4), 10(-3) mol/L) for 24 h or 48 h, cell viability was determined by 3-(4 5-dimethyl-2-thiazolyl)-2 5-diphenyl-2-H-tetrazolium bromide (MTT) assay. Expressions of vimentin, E-cadherin, N-cadherin and Snail proteins related to EMT were detected by Western blot...
February 6, 2018: Zhonghua Yu Fang Yi Xue za Zhi [Chinese Journal of Preventive Medicine]
https://www.readbyqxmd.com/read/29428669/psmb8-regulates-glioma-cell-migration-proliferation-and-apoptosis-through-modulating-erk1-2-and-pi3k-akt-signaling-pathways
#16
Bing-Ya Yang, Jing-Wei Song, Hong-Zhi Sun, Ji-Cheng Xing, Zhi-Hui Yang, Chang-Yong Wei, Tuo-Ye Xu, Zhen-Nan Yu, Ye-Nan Zhang, Ying-Fan Wang, Hao Chang, Zhi-Peng Xu, Min Hou, Min-Jun Ji, Yan-Song Zhang
Glioma has been considered as one of the most aggressive and popular brain tumors of patients. It is essential to explore the mechanism of glioma. In this study, we established PSMB8 as a therapeutic target for glioma treatment. Expression of PSMB8 as well as Ki-67 was higher in glioma tissues demonstrated by western blot and immunohistochemistry. Then, the role of PSMB8 in migration and proliferation of glioma cells was investigated by conducting wound-healing, trans-well assay, cell counting kit (CCK)-8, flow cytometry assay and colony formation analysis...
February 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29426928/lamb3-mediates-metastatic-tumor-behavior-in-papillary-thyroid-cancer-by-regulating-c-met-akt-signals
#17
Seung-Nam Jung, Hyun Sil Lim, Lihua Liu, Jae Won Chang, Young Chang Lim, Ki Sang Rha, Bon Seok Koo
Laminin subunit beta-3 (LAMB3) encodes one of the three subunits of LM-332, a protein of the extracellular matrix secreted by cultured human keratinocytes. While LAMB3 is involved in the invasive and metastatic abilities of several tumor types, including those found in the colon, pancreas, lung, cervix, stomach, and prostate, its mechanism of action in thyroid cancer has not been investigated previously. Our results show that LAMB3 is up-regulated in papillary thyroid cancer, and that its suppression reduces cell migration/invasion via down-regulation of epithelial‒mesenchymal transition-associated proteins (N-cadherin, vimentin, slug) and inhibition of matrix metalloproteinase 9...
February 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29424266/silencing-of-lncrna-zfas1-inhibits-malignancies-by-blocking-wnt-%C3%AE-catenin-signaling-in-gastric-cancer-cells
#18
Weiran Xu, Liang He, Ying Li, Yan Tan, Fan Zhang, Hong Xu
Gastric cancer is a common malignancy with high mortality. Long noncoding RNA (lncRNA) zinc finger antisense (ZFAS)1 is upregulated in gastric cancer specimens compared with the para-carcinoma tissues. The silencing of ZFAS1 inhibited the growth, proliferation, cell cycle progress, migration, invasion and epithelial-mesenchymal transition (EMT), and enhanced the sensitivity to cis-platinum or paclitaxel in SGC7901 cells, as evidenced by the expression changes of proliferating cell nuclear antigen, Cyclin D1, Cyclin E, Cyclin B1, E-cadherin, N-cadherin, vimentin, matrix metalloproteinase (MMP)-2 and MMP-14...
February 9, 2018: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29423667/paeoniflorin-inhibits-migration-and-invasion-of-human-glioblastoma-cells-via-suppression-transforming-growth-factor-%C3%AE-induced-epithelial-mesenchymal-transition
#19
Zhaotao Wang, Zhi Liu, Guoyong Yu, Xiaohu Nie, Weiqiang Jia, Ru-En Liu, Ruxiang Xu
Paeoniflorin (PF) is a polyphenolic compound derived from Radix Paeoniae Alba thathas anti-cancer activities in a variety of human malignancies including glioblastoma. However, the underlying mechanisms have not been fully elucidated. Epithelial to mesenchymal transition (EMT), characterized as losing cell polarity, plays an essential role in tumor invasion and metastasis. TGFβ, a key member of transforming growth factors, has been demonstrated to contribute to glioblastoma aggressiveness through inducing EMT...
February 8, 2018: Neurochemical Research
https://www.readbyqxmd.com/read/29421438/in-vitro-study-of-fuz-as-a-novel-potential-therapeutic-target-in-non-small-cell-lung-cancer
#20
Minwei He, Kangqi Li, Chuanfei Yu, Bingfeng Lv, Ning Zhao, Jinhai Deng, Lulu Cao, He Huang, Ang Yin, Taiping Shi, Lu Wang
FUZ is regarded as a planar cell polarity effector that controls multiple cellular processes during vertebrate development. However, the role of FUZ in tumor biology remains poorly studied. Our purpose of this study is to discover the physiological effects and mechanism of FUZ in non-small-cell lung cancer (NSCLC) in vitro. With the help of bioinformatics analysis, we noticed that the expression level of FUZ negatively correlates with prognosis of NSCLC patients. Exogenous FUZ expression markedly promoted cell proliferation of NSCLC cells...
February 5, 2018: Life Sciences
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