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https://www.readbyqxmd.com/read/28512191/mir-2392-suppresses-metastasis-and-epithelial-mesenchymal-transition-by-targeting-maml3-and-whsc1-in-gastric-cancer
#1
Jinjing Li, Tingyu Li, Yuanyuan Lu, Gaofei Shen, Hao Guo, Jian Wu, Chao Lei, Feng Du, Fenli Zhou, Xiaodi Zhao, Yongzhan Nie, Daiming Fan
MicroRNAs have emerged as essential regulators of various cellular processes. We identified the role and underlying mechanisms of miR-2392 in gastric cancer (GC) metastasis. miR-2392 was down-regulated in GC cell lines and tissues, and overexpression of miR-2392 significantly inhibited GC invasion and metastasis in vitro and in vivo We identified MAML3 and WHSC1 as novel targets of miR-2392, and knockdown of MAML3 and WHSC1 had the same antimetastatic effect as that of miR-2392 in GC cells. These effects were clinically relevant, as low miR-2392 expression was correlated with high MAML3 and WHSC1 expression and poor survival in patients with GC...
May 16, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28506831/cryab-promotes-the-invasion-and-metastasis-of-colorectal-cancer-via-epithelial-mesenchymal-transition
#2
Chuanbing Shi, Xiaojun Yang, Xiaodong Bu, Ning Hou, Pingsheng Chen
Alpha B-crystallin (CRYAB, HSPB5) is a protein that was first discovered in the lens of the eye. It is a member of the small heat-shock protein family (sHsps). CRYAB functions primarily as a molecular chaperone to prevent the aggregation and degradation of damaged unfolded proteins due to cellular damage resulting from heat shock, radiation, oxidative stress, and other insults, thereby promoting cell survival and preventing apoptosis. In recent years, the role of CRYAB in tumorigenesis, tumor invasion, and metastasis has received increasing attention...
May 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28504716/vegfa-links-self-renewal-and-metastasis-by-inducing-sox2-to-repress-mir-452-driving-slug
#3
M Kim, K Jang, P Miller, M Picon-Ruiz, T M Yeasky, D El-Ashry, J M Slingerland
Cancer stem cells (CSC) appear to have increased metastatic potential, but mechanisms underlying this are poorly defined. Here we show that VEGFA induction of Sox2 promotes EMT and tumor metastasis. In breast lines and primary cancer culture, VEGFA rapidly upregulates SOX2 expression, leading to SNAI2 induction, EMT, increased invasion and metastasis. We show Sox2 downregulates miR-452, which acts as a novel metastasis suppressor to directly target the SNAI2 3'-untranslated region (3'-UTR). VEGFA stimulates Sox2- and Slug-dependent cell invasion...
May 15, 2017: Oncogene
https://www.readbyqxmd.com/read/28502716/neuropeptides-predicted-from-the-transcriptome-analysis-of-the-gray-garden-slug-deroceras-reticulatum
#4
Seung-Joon Ahn, Ruth Martin, Sujaya Rao, Man-Yeon Choi
The gray garden slug, Deroceras reticulatum (Gastropoda: Pulmonata), is one of the most common terrestrial molluscs. Research for this slug has focused mainly on its ecology, biology, and management due to the severe damage it causes on a wide range of vegetables and field crops. However, little is known about hormonal signaling and neuropeptide sequences. This study, therefore, aimed to establish the transcriptome of D. reticulatum and to identify a comprehensive repertoire of neuropeptides in this slug. Illumina high-throughput sequencing of the whole body transcriptome of D...
May 11, 2017: Peptides
https://www.readbyqxmd.com/read/28500896/a-microrna-ubiquitin-ligase-feedback-loop-regulates-slug-mediated-invasion-in-breast-cancer
#5
Rajesh Kumar Manne, Yashika Agrawal, Anil Bargale, Asha Patel, Debasish Paul, Neha Anilkumar Gupta, Srikanth Rapole, Vasudevan Seshadri, Deepa Subramanyam, Praveenkumar Shetty, Manas Kumar Santra
The transformation of a normal cell to cancer requires the derail of multiple pathways. Normal signaling in a cell is regulated at multiple stages by the presence of feedback loops, calibration of levels of proteins by their regulated turnover, and posttranscriptional regulation, to name a few. The tumor suppressor protein FBXO31 is a component of the SCF E3 ubiquitin ligase and is required to arrest cells at G1 following genotoxic stresses. Due to its growth-suppression activity, it is underexpressed in many cancers...
May 9, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28493830/ing5-knockdown-enhances-migration-and-invasion-of-lung-cancer-cells-by-inducing-emt-via-egfr-pi3k-akt-and-il-6-stat3-signaling-pathways
#6
Xin-Li Liu, Xu-Tao Zhang, Jin Meng, Hong-Fei Zhang, Yong Zhao, Chen Li, Yang Sun, Qi-Bing Mei, Feng Zhang, Tao Zhang
ING5 belongs to the Inhibitor of Growth (ING) candidate tumor suppressor family, whose functions have been involved in the regulation of chromatin remodeling, cell cycle progression, proliferation and apoptosis. Our previous study has shown that ING5 overexpression inhibits lung cancer aggressiveness via suppressing epithelial to mesenchymal transition (EMT). However, the mechanisms remain largely unknown. In the current study, by Phospho-Kinase array and western blot, we have defined significantly upregulated EGFR/PI3K/Akt and IL-6/STAT3 oncogenic signaling pathways in ING5 knockdown A549 cells, which could be downregulated by ING5 overexpression...
April 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28492136/inhibition-of-erk1-2-signaling-impairs-the-promoting-effects-of-tgf-%C3%A3-1-on-hepatocellular-carcinoma-cell-invasion-and-epithelial-mesenchymal-transition
#7
Ling Liu, Nianfeng Li, Qi Zhang, Jixiang Zhou, Ling Lin, Xinxin He
TGF-ß and ERK signaling have been implicated in various human cancers including hepatocellular carcinoma, but the underlying mechanism remains largely unclear. In this study, we aimed to explore the role of ERK1/2 in the regulation of TGF-ß's promoting and suppressive activities in HCC cells. Our data showed that treatment with TGF-ß1 enhanced invasion and epithelial-mesenchymal transition (EMT) in HCC HepG2 cells, accompanied with increased MMP9 production and activation of Smad2/3 and ERK1/2, but inhibited tumor cell proliferation...
May 11, 2017: Oncology Research
https://www.readbyqxmd.com/read/28487957/chemokine-c%C3%A2-c-motif-ligand-21-c%C3%A2-c-chemokine-receptor-type-7-triggers-migration-and-invasion-of-human-lung-cancer-cells-by-epithelial%C3%A2-mesenchymal-transition-via-the-extracellular-signal%C3%A2-regulated-kinase-signaling-pathway
#8
Guangxin Zhong, Lu Chen, Ruihong Yin, Yan Qu, Yongxing Bao, Qiong Xiao, Zhaolin Zhang, Yaqian Shen, Cailing Li, Yun Xu, Zhigeng Zou, Hua Tian
C-C chemokine receptor type 7 (CCR7) has been implicated in lymph node metastasis of various cancers. Previous studies have revealed that epithelial‑mesenchymal transition (EMT) is involved in the chemotactic process mediated by CCR7 and its ligands in various types of carcinoma. However, the underlying mechanism of this process remains to be fully elucidated. The present study investigated whether chemokine (C‑C motif) ligand 21 (CCL21)/CCR7 may activate EMT of lung cancer cells and their associated signaling pathways...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28485480/shikonin-inhibited-migration-and-invasion-of-human-lung-cancer-cells-via-suppression-of-c-met-mediated-epithelial-to-mesenchymal-transition
#9
Yei-San Hsieh, Chiung-Ho Liao, Wan-Shen Chen, Jih-Tung Pai, Meng-Shih Weng
Epithelial-to-mesenchymal transition (EMT) is a major process to regulate cell migration and invasion. Inhibition of epidermal growth factor receptor (EGFR)-mediated EMT by tyrosine kinase inhibitors (TKIs) is a strategy to prevent lung cancer invasion. However, drug resistance is emerged and accelerated invasion through other signaling bypassing EGFR after TKIs therapy. c-Met signaling pathway is highly activated in EGFR-mutated lung cancer cells. Targeting c-Met signaling pathway may be a strategy to suppress EGFR-independent migration and invasion for lung cancer therapy...
May 9, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28481717/implementation-of-quality-by-design-approach-in-manufacturing-process-optimization-of-dry-granulated-immediate-release-coated-tablets-a-case-study
#10
Michał Teżyk, Emilia Jakubowska, Bartłomiej Milanowski, Janina Lulek
The aim of this study was to optimize the process of tablets compression and identification of film-coating critical process parameters (CPPs) affecting critical quality attributes (CQAs) using Quality by Design approach. Design of experiment (DOE) and regression methods were employed to investigate hardness, disintegration time and thickness of uncoated tablets depending on slugging and tableting compression force (CPPs). Plackett-Burman experimental design was applied to identify critical coating process parameters among selected ones, that is: drying and preheating time, atomization air pressure, spray rate, air volume, inlet air temperature and drum pressure, that may influence the hardness and disintegration time of coated tablets...
May 8, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/28481366/the-zinc-finger-transcriptional-factor-slug-transcriptionally-downregulates-er%C3%AE-by-recruiting-lysine-specific-demethylase-1-in-human-breast-cancer
#11
J-W Bai, M-N Chen, X-L Wei, Y-Ch Li, H-Y Lin, M Chen, J-W Li, C-W Du, K Man, G-J Zhang
Estrogen receptor α (ERα) is related with epithelial-mesenchymal transition, invasion and metastasis, and serves as an important therapeutic predictor and prognostic factor in breast cancer patients. The triple negative breast cancer (TNBC) is characterized by loss of hormone receptors and human epidermal growth factor receptor 2 (Her2), and lacks effective targeted therapy with poor prognosis. Unfortunately, the molecular mechanisms of ERα deficiency, which becomes hormone independent and results in resistance to endocrine therapy, remain to be elucidated in breast cancer...
May 8, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28474313/expression-of-hypoxia-associated-protein-hif-1%C3%AE-in-follicular-thyroid-cancer-is-associated-with-distant-metastasis
#12
Aumayr Klaus, Osmen Fathi, Traub-Weidinger Tatjana, Niederle Bruno, Koperek Oskar
Follicular thyroid carcinomas (FTCs) are the second most common malignant neoplasia of the thyroid and in general its prognosis is quite favorable. However, the occurrence of metastases or non-responsiveness to radioiodine therapy worsens the prognosis considerably. We evaluated immunohistochemically the expression of hypoxia-associated proteins by hypoxia-induced factor 1α (HIF-1α), the stroma-remodeling marker Tenascin C, as well as markers for the epithelial-mesenchymal transition (EMT), namely E-cadherin and slug in a series of 59 sporadic FTCs...
May 4, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/28466555/hic1-loss-promotes-prostate-cancer-metastasis-by-triggering-epithelial-mesenchymal-transition
#13
Mingang Hao, Yue Li, Jinglong Wang, Jun Qin, Yingying Wang, Yufeng Ding, Min Jiang, Xueqing Sun, Lidong Zu, Kun Chang, Guowen Lin, Jiangyuan Du, Vladimir Korinek, Din-Wei Ye, Jianhua Wang
Metastatic disease is the leading cause of death due to prostate cancer (PCa). Although the HIC1 (hypermethylated in cancer 1) gene has been observed to be epigenetically modified in PCa, its intrinsic role and mechanism in PCa metastasis still remain unsettled. Here we show that hypermethylation of the HIC1 promoter markedly reduces its suppressive function in metastatic PCa tissues compared to primary and adjacent normal prostate tissues, and is associated with poor patient survival. Prostate cancers in cancer-prone mice homozygous for a prostate-targeted Hic1 conditional knockout displayed stronger metastatic behaviour than heterozygous animals, as a result of epithelial-mesenchymal transition (EMT)...
May 3, 2017: Journal of Pathology
https://www.readbyqxmd.com/read/28461325/role-of-rac1-pathway-in-epithelial-to-mesenchymal-transition-and-cancer-stem-like-cell-phenotypes-in-gastric-adenocarcinoma
#14
Changhwan Yoon, Soo-Jeong Cho, Kevin K Chang, Do Joong Park, Sandra Ryeom, Sam S Yoon
Rac1, a Rho GTPase family member, is dysregulated in a variety of tumor types including gastric adenocarcinoma (GA), but little is known about its role in cancer stem-like cells (CSCs). Therefore, Rac1 activity and inhibition were examined in GA cells and mouse xenograft models for epithelial-to-mesenchymal transition (EMT) and CSC phenotypes. Rac1 activity was significantly higher in spheroid-forming or CD44(+) GA CSCs compared to unselected cells. Rac1 inhibition using Rac1 shRNA or a Rac1 inhibitor (NSC23766) decreased expression of the self-renewal transcription factor, Sox-2, decreased spheroid formation by 78-81%, and prevented tumor initiation in immunodeficient mice...
May 1, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28443456/calls-for-improvement-in-quality-of-hospital-food
#15
Chris Longhurst
A slug in a sandwich, a stone in a cottage pie and a Muslim patient being offered pork were among the hundreds of complaints made about NHS hospital food last year, Nursing Standard can reveal.
April 26, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28440207/epithelial-mesenchymal-transition-in-cancer-progression-preventive-phytochemicals
#16
Soorya Parathodi Illam, Arunaksharan Narayanankutty, Shaji Edappilly Mathew, Remya Valsalakumari, Rosemol M Jacob, Achuthan Chathrattil Raghavamenon
BACKGROUND: Epithelial-Mesenchymal Transition (EMT) is the conversion of epithelial cells into mesenchymal phenotype generally observed during embryogenesis and wound healing as well as in malignant transformation. Several signaling pathways and transcription factors associated with EMT have been explored. Dietary phytochemicals are multi-targeted agents that interfere with these pathways, assume preventive potential against pathologic EMT. OBJECTIVE: Present review aims to provide a detailed description on the nature, characteristics of EMT in physiological and pathophysiological conditions and the scope of phytochemicals in its prevention...
April 24, 2017: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/28434939/calreticulin-is-required-for-tgf-%C3%AE-induced-epithelial-to-mesenchymal-transition-during-cardiogenesis-in-mouse-embryonic-stem-cells
#17
Fereshteh Karimzadeh, Michal Opas
Calreticulin, a multifunctional endoplasmic reticulum resident protein, is required for TGF-β-induced epithelial-to-mesenchymal transition (EMT) and subsequent cardiomyogenesis. Using embryoid bodies (EBs) derived from calreticulin-null and wild-type (WT) embryonic stem cells (ESCs), we show that expression of EMT and cardiac differentiation markers is induced during differentiation of WT EBs. This induction is inhibited in the absence of calreticulin and can be mimicked by inhibiting TGF-β signaling in WT cells...
May 9, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28434000/apolipoprotein-a1-inhibits-the-tgf-%C3%AE-1-induced-endothelial-to-mesenchymal-transition-of-human-coronary-artery-endothelial-cells
#18
Juling Feng, Jingjing Zhang, Ampadu O Jackson, Xiao Zhu, Hainan Chen, Wen Chen, Qingjun Gui, Kai Yin
OBJECTIVE: Transforming growth factor β1 (TGF-β1) is the major cytokine for stimulating endothelial cells (ECs) to transdifferentiate to mesenchymal cells (MCs) in the process known as endothelial-to-mesenchymal transition (EndMT). Recently, TGF-β1-induced EndMT has been implicated in the pathogenesis of atherosclerosis (AS). It has been identified that apolipoprotein A1 (ApoA-I) obstructs TGF-β1-induced endothelial dysfunction, providing a protective effect for ECs and also anti-AS activity...
April 22, 2017: Cardiology
https://www.readbyqxmd.com/read/28433158/characterization-of-a-sulfated-galactoglucan-from-antrodia-cinnamomea-and-its-anticancer-mechanism-via-tgf%C3%AE-fak-slug-axis-suppression
#19
Mei-Kuang Lu, Tung-Yi Lin, Chun-Hao Hu, Chi-Hsein Chao, Chia-Chuan Chang, Hsien-Yeh Hsu
A sulfated 1,4-β-d-galactoglucan (B86-III) with 1,6-branches was isolated and identified from Antrodia cinnamomea. The repeating unit of B86-III was proposed based on one-dimensional 1D ((1)H, (13)C and DEPT-135) and 2D (DQF-COSY, TOCSY, HSQC and HMBC) NMR spectra. The conformation of the sugars was hypothesized to be a rare boat form instead of a (4)C1 chair form. The sulfate substitutions were suggested to be on the C-2 and C-3 positions, resulting in the following structure: B86-III inhibited the viability of H1975 lung cancer cells via cell apoptosis, including the activation of caspase 3 and PARP...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28431931/peroxiredoxin-5-promotes-the-epithelial-mesenchymal-transition-in-colon-cancer
#20
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...
June 3, 2017: Biochemical and Biophysical Research Communications
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