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https://www.readbyqxmd.com/read/28098914/role-of-mir-647-in-human-gastric-cancer-suppression
#1
Wenlong Cao, Weiyuan Wei, Zexu Zhan, Dongyi Xie, Yubo Xie, Qiang Xiao
MicroRNAs (miRNAs) regulate various oncogenes concomitantly, resulting in tumor suppression. They regulate proliferation and migration pathways in tumor development, suggesting a potential therapeutic role. In the present study, we found that miR-647 was markedly downregulated in gastric cancer (GC), and was significantly correlated with reduced tumor size and metastasis. In addition, miR-647 was also reduced in GC cell lines. Furthermore, overexpression of miR-647 in the GC cell lines inhibited cell proliferation, promoted cell cycle arrest at the G0/G1 phase and induced cell apoptosis...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098909/biology-and-function-of-glypican-3-as-a-candidate-for-early-cancerous-transformation-of-hepatocytes-in-hepatocellular-carcinoma-review
#2
Mauro Montalbano, Jeremias Georgiadis, Ashlyn L Masterson, Joshua T McGuire, Janika Prajapati, Ali Shirafkan, Cristiana Rastellini, Luca Cicalese
Glypican-3 (GPC-3), a transmembrane heparan sulfate proteoglycan (HSPG), has recently been investigated as a player in tissue-dependent cellular signaling, specifically as a regulator of growth. Noteworthy, the regulatory protein has been implicated in both stimulatory and inhibitory pathways involving cell growth. Initially, GPC-3 was thought to act as a cell cycle regulator, as a loss-of-function mutation in the gene caused a hyper-proliferative state known as Simpson-Golabi-Behmel (SGB) overgrowth syndrome...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098897/overexpression-of-arf1-is-associated-with-cell-proliferation-and-migration-through-pi3k-signal-pathway-in-ovarian-cancer
#3
Guifang Gu, Yannan Chen, Chengwei Duan, Linsen Zhou, Caiwen Chen, Jie Chen, Jialin Cheng, Nannan Shi, Yunfeng Jin, Qinghua Xi, Jianxin Zhong
ADP-ribosylation factor 1 (ARF1) is a small G protein that regulates many cellular processes such as reorganization of the actin cytoskeleton and is highly expressed in various tumor cells and tissues. However, the role of ARF1 in ovarian cancer progression remains unknown. In the present study, we explored the expression patterns of ARF1 in clinical ovarian cancer samples and adjacent noncancerous tissues. The results revealed that ARF1 overexpressed in EOC tissues and cell lines, compared with the adjacent non-tumorous tissues and normal ovarian cells...
January 18, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098887/mirna%C3%A2-375-regulates-the-cell-survival-and-apoptosis-of-human-non%C3%A2-small-cell-carcinoma-by-targeting-her2
#4
Longqiang Cheng, Bingxiang Zhan, Peng Luo, Baolong Wang
micro (mi)‑RNAs are a class of small non‑coding RNAs that regulate gene expression by binding to the 3'‑untranslated region of mRNA, which may lead to mRNA degradation or transcription regulation. Previous studies indicated that miRNAs are important for the pathogenesis of human cancer. miR‑375 has been implicated in various tumor types; however, the biological activity in human non‑small cell lung carcinoma (NSCLC) cells remains to be fully elucidated. The purpose of the present study was to investigate the biological importance of miR‑375 in human NSCLC cells...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098886/novel-zinc-phthalocyanine-as-a-promising-photosensitizer-for-photodynamic-treatment-of-esophageal-cancer
#5
Weronika Kuzyniak, Jacob Schmidt, Wojciech Glac, Janine Berkholz, Gustav Steinemann, Björn Hoffmann, Eugeny A Ermilov, Ayşe Gül Gürek, Vefa Ahsen, Bianca Nitzsche, Michael Höpfner
Photodynamic therapy (PDT) has gathered much attention in the field of cancer treatment and is increasingly used as an alternative solution for esophageal cancer therapy. However, there is a constant need for improving the effectiveness and tolerability of the applied photosensitizers (PS). Here, we propose tetra-triethyleneoxysulfonyl substituted zinc phthalocyanine (ZnPc) as a promising PS for photodynamic treatment of esophageal cancer. ZnPc-induced phototoxicity was studied in two human esophageal cancer cell lines: OE-33 (adenocarcinoma) and Kyse-140 (squamous cell carcinoma)...
January 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098879/cytokines-inducers-and-inhibitors-modulate-mmp-2-and-mmp%C3%A2-9-secretion-by-human-fanconi-anemia-immortalized-fibroblasts
#6
M W Roomi, T Kalinovsky, M Rath, A Niedzwiecki
Acute myeloid leukemia and head and neck squamous cell carcinomas are the major causes of mortality and morbidity in Fanconi anemia (FA) patients. Matrix metalloproteinases (MMPs), particularly MMP-2 and MMP-9, have been implicated in tumor invasion and metastasis. Various cytokines, mitogens, growth factors, inducers and inhibitors control MMP activities. We investigated the roles of these in the regulation of MMP-2 and MMP-9 in human immortalized fibroblasts from FA. Human FA immortalized fibroblast cell lines FA-A:PD220 and FA-D2:PD20 were grown in minimum essential medium (MEM) supplemented with 15% fetal bovine serum (FBS) and antibiotics in 24-well tissue culture plates...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098878/early-growth-response-3-inhibits-growth-of-hepatocellular-carcinoma-cells-via-upregulation-of-fas-ligand
#7
Shujuan Zhang, Chao Xia, Cong Xu, Jing Liu, Han Zhu, Ya Yang, Fei Xu, Juanfeng Zhao, Ying Chang, Qiu Zhao
Hepatocellular carcinoma (HCC) is a prevalent malignancy with aggressive biological behavior and poor prognosis. Early growth response 3 (EGR3) is a zinc finger transcription factor, and has been studied primarily in the context of neurodevelopment, autoimmunity, inflammation and angiogenesis. Accumulating evidence indicates that EGR3 is a novel suppressor gene of tumor initiation and progression in certain cancer events, but little work has been carried out in exploring the relationship between EGR3 and HCC growth...
January 18, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098876/bdnf-regulates-the-expression-and-secretion-of-vegf-from-osteoblasts-via-the-trkb-erk1-2-signaling-pathway-during-fracture-healing
#8
Zitao Zhang, Yan Zhang, Zhengnan Zhou, Hongfei Shi, Xusheng Qiu, Jin Xiong, Yixin Chen
Brain‑derived neurotrophic factor (BDNF), a member of the neurotropic family, is expressed in osteoblast‑like cells of a fracture callus, however, its role in fracture healing remains to be fully elucidated. Osteoblasts isolated from Sprague Dawley rats were stimulated by BDNF in a dose‑ and time‑dependent manner. Immunoblotting and immunofluorescence was used to detect the expression and distribution of targeted proteins. The concentration of vascular endothelial growth factor (VEGF) released in medium was determined using an ELISA...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28098871/lectin-pcl-inhibits-the-warburg-effect-of-pc3-cells-by-combining-with-egfr-and-inhibiting-hk2
#9
Hong Zhang, Xia Du, Ting-Ting Sun, Chun-Liu Wang, Ye Li, Shou-Zhen Wu
Prostatic carcinoma is the most aggressive tumor in adult men. Warburg effect is an important characteristic of tumor cell metabolism including prostate cancer cells, in which hexokinase 2 (HK2), a major rate-limiting enzyme involved in Warburg effect, is selectively upregulated. The lectin PCL is a mannose binding lectin which induces tumor cell apoptosis and autophagy. In the present study, we report that PCL could lower glucose consumption and lactate production, shift the Warburg effect by inhibiting the expression of HK2 in PC3 cells and the suppression of HK2 by siRNA reversed the effect of PCL on glucose consumption and lactate production...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098868/microrna-187-promotes-growth-and-metastasis-of-gastric-cancer-by-inhibiting-foxa2
#10
Cong Li, Sumei Lu, Yubin Shi
MicroRNAs (miRNAs) play an active role in the pathogenesis of gastric cancer. The expression and biological function for miR-187 in gastric cancer remains unknow. In the present study, we demonstrated that miR-187 expression was increased in gastric cancer (GC) tissues and cells. Increased expression level of miR-187 was associated with adverse clinical features including tumor size, lymph metastasis and TNM stage, and decreased overall survival and disease-free survival of GC patients. Functionally, overexpression miR-187 could promote while inhibition of miR-187 could suppress, the proliferation, migration and invasion of GC cells in vitro...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098865/endophytic-fungi-from-mangrove-inhibit-lung-cancer-cell-growth-and-angiogenesis-in-vitro
#11
Xin Liu, Xin Wu, Yuefan Ma, Wenzhang Zhang, Liang Hu, Xiaowei Feng, Xiangyong Li, Xudong Tang
The secondary metabolites of mangrove-derived endophytic fungi contain multiple substances with novel structures and biological activities. In the present study, three types of mangrove plants, namely Kandelia candel, Rhizophora stylosa and Rhizophoraceae from Zhanjiang region including the leaves, roots and stems were collected, and endophytic fungi were isolated, purified and identified from these mangrove plants. MTT assay was used to observe the effects of the isolated endophytic fungi on the growth of A549 and NCI-H460 lung cancer cells...
January 16, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28098860/chondroitin-sulfate-proteoglycan-protein-is-stimulated-by-interleukin%C3%A2-11-and-promotes-endometrial-epithelial-cancer-cell-proliferation-and-migration
#12
Amy Winship, Michelle Van Sinderen, Ariella Heffernan-Marks, Eva Dimitriadis
Endometrial cancer is the most common gynecological cancer. We identified interleukin 11 (IL11) as a critical mediator of endometrial tumourigenesis and demonstrated that IL11 regulates chondroitin sulfate proteoglycan (CSPG4) in human placental trophoblasts. CSPG4 is a cell membrane protein overexpressed in numerous human cancers, although its role in endometrial cancer has not been investigated. We examined CSPG4 expression and localization in primary human type I endometrioid grade (G) 1-3 tumours by qPCR and immunohistochemistry and determined whether IL11 stimulated CSPG4...
January 13, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28098826/hair-growth-promoting-and-anticancer-effects-of-p21-activated-kinase-1-pak1-inhibitors-isolated-from-different-parts-of-alpinia-zerumbet
#13
Nozomi Taira, Binh Cao Quan Nguyen, Shinkichi Tawata
PAK1 (p21-activated kinase 1) is an emerging target for the treatment of hair loss (alopecia) and cancer; therefore, the search for PAK1 blockers to treat these PAK1-dependent disorders has received much attention. In this study, we evaluated the anti-alopecia and anticancer effects of PAK1 inhibitors isolated from Alpinia zerumbet (alpinia) in cell culture. The bioactive compounds isolated from alpinia were found to markedly promote hair cell growth. Kaempferol-3-O-β-d-glucuronide (KOG) and labdadiene, two of the isolated compounds, increased the proliferation of human follicle dermal papilla cells by approximately 117%-180% and 132%-226%, respectively, at 10-100 μM...
January 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28098806/antibacterial-activities-and-possible-modes-of-action-of-acacia-nilotica-l-del-against-multidrug-resistant-escherichia-coli-and-salmonella
#14
Muhammad Bilal Sadiq, Joel Tarning, Tay Zar Aye Cho, Anil Kumar Anal
Medicinal plants are frequently used for the treatment of various infectious diseases. The objective of this study was to evaluate the antibacterial activity and mode of action of Acacia nilotica and the antibiogram patterns of foodborne and clinical strains of Escherichia coli and Salmonella. The mechanism of action of acacia extracts against E. coli and Salmonella was elucidated by observing morphological damages including cell integrity and cell membrane permeability, as well as changes in cell structures and growth patterns in kill-time experiments...
January 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28098804/gadd45a-regulates-olaquindox-induced-dna-damage-and-s-phase-arrest-in-human-hepatoma-g2-cells-via-jnk-p38-pathways
#15
Daowen Li, Chongshan Dai, Xiayun Yang, Bin Li, Xilong Xiao, Shusheng Tang
Olaquindox, a quinoxaline 1,4-dioxide derivative, is widely used as a feed additive in many countries. The potential genotoxicity of olaquindox, hence, is of concern. However, the proper mechanism of toxicity was unclear. The aim of the present study was to investigate the effect of growth arrest and DNA damage 45 alpha (GADD45a) on olaquindox-induced DNA damage and cell cycle arrest in HepG2 cells. The results showed that olaquindox could induce reactive oxygen species (ROS)-mediated DNA damage and S-phase arrest, where increases of GADD45a, cyclin A, Cdk 2, p21 and p53 protein expression, decrease of cyclin D1 and the activation of phosphorylation-c-Jun N-terminal kinases (p-JNK), phosphorylation-p38 (p-p38) and phosphorylation-extracellular signal-regulated kinases (p-ERK) were involved...
January 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28098802/penduliflaworosin-a-diterpenoid-from-croton-crassifolius-exerts-anti-angiogenic-effect-via-vegf-receptor-2-signaling-pathway
#16
Yeyin Liang, Yubo Zhang, Guocai Wang, Yaolan Li, Weihuan Huang
Anti-angiogenesis targeting vascular endothelial growth factor receptor-2 (VEGFR-2) has been considered as an important strategy for cancer therapy. Penduliflaworosin is a diterpenoid isolated from the plant Croton crassifolius. Our previous study showed that this diterpenoid possesses strong anti-angiogenic activity by inhibiting vessel formation in zebrafish. This study was conducted to further investigate the anti-angiogenic activity and mechanism of penduliflaworosin. Results revealed that penduliflaworosin significantly inhibited VEGF-induced angiogenesis processes including proliferation, invasion, migration, and tube formation of human umbilical vein endothelial cells (HUVECs)...
January 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28098794/ftr82-is-critical-for-vascular-patterning-during-zebrafish-development
#17
Hsueh-Wei Chang, Wen-Der Wang, Chien-Chih Chiu, Chiou-Hua Chen, Yi-Shan Wang, Zih-Ying Chen, Wangta Liu, Ming-Hong Tai, Zhi-Hong Wen, Chang-Yi Wu
Cellular components and signaling pathways are required for the proper growth of blood vessels. Here, we report for the first time that a teleost-specific gene ftr82 (finTRIM family, member 82) plays a critical role in vasculature during zebrafish development. To date, there has been no description of tripartite motif proteins (TRIM) in vascular development, and the role of ftr82 is unknown. In this study, we found that ftr82 mRNA is expressed during the development of vessels, and loss of ftr82 by morpholino (MO) knockdown impairs the growth of intersegmental vessels (ISV) and caudal vein plexus (CVP), suggesting that ftr82 plays a critical role in promoting ISV and CVP growth...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098775/mammary-gland-involution-provides-a-unique-model-to-study-the-tgf-%C3%AE-cancer-paradox
#18
REVIEW
Qiuchen Guo, Courtney Betts, Nathan Pennock, Elizabeth Mitchell, Pepper Schedin
Transforming Growth Factor-β (TGF-β) signaling in cancer has been termed the "TGF-β paradox", acting as both a tumor suppresser and promoter. The complexity of TGF-β signaling within the tumor is context dependent, and greatly impacted by cellular crosstalk between TGF-β responsive cells in the microenvironment including adjacent epithelial, endothelial, mesenchymal, and hematopoietic cells. Here we utilize normal, weaning-induced mammary gland involution as a tissue microenvironment model to study the complexity of TGF-β function...
January 13, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28098758/neurotrophin-promotes-neurite-outgrowth-by-inhibiting-rif-gtpase-activation-downstream-of-mapks-and-pi3k-signaling
#19
Xiaoxia Tian, Huijuan Yan, Jiayi Li, Shuang Wu, Junyu Wang, Lifei Fan
Members of the well-known semaphorin family of proteins can induce both repulsive and attractive signaling in neural network formation and their cytoskeletal effects are mediated in part by small guanosine 5'-triphosphatase (GTPases). The aim of this study was to investigate the cellular role of Rif GTPase in the neurotrophin-induced neurite outgrowth. By using PC12 cells which are known to cease dividing and begin to show neurite outgrowth responding to nerve growth factor (NGF), we found that semaphorin 6A was as effective as nerve growth factor at stimulating neurite outgrowth in PC12 cells, and that its neurotrophic effect was transmitted through signaling by mitogen-activated protein kinases (MAPKs) and phosphatidylinositol-3-kinase (PI3K)...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28098558/platelet-derived-growth-factor-pdgf-signaling-directs-cardiomyocyte-movement-toward-the-midline-during-heart-tube-assembly
#20
Joshua Bloomekatz, Reena Singh, Owen Wj Prall, Ariel C Dunn, Megan Vaughan, Chin-San Loo, Richard P Harvey, Deborah Yelon
Communication between neighboring tissues plays a central role in guiding organ morphogenesis. During heart tube assembly, interactions with the adjacent endoderm control the medial movement of cardiomyocytes, a process referred to as cardiac fusion. However, the molecular underpinnings of this endodermal-myocardial relationship remain unclear. Here, we show an essential role for platelet-derived growth factor receptor alpha (Pdgfra) in directing cardiac fusion. Mutation of pdgfra disrupts heart tube assembly in both zebrafish and mouse...
January 18, 2017: ELife
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