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https://www.readbyqxmd.com/read/28109086/grade-dependent-expression-of-nima-related-kinase-2-in-glioma-and-its-cellular-upregulatory-activity-on-proliferation-and-invasion
#1
Li Tian, Peng Cheng, Huaiyu Sun, Yulin Wang, Lei Zhang, Zongze Guo
Glioma is one of the most common tumors in central nervous system. The median life expectancy for glioma patients is only 13-15 months. NIMA-related expressed kinase 2 (NEK2) is a kind of serine-threonine kinases and involves in carcinogenesis and progression of cancer, however, the specific roles in the glioma remains unknown. We found the high expression of NEK2 was positively correlated with deteriorated severity of glioma. Therefore, we sought to investigate the effects of NEK2 on U87 and U251 cells. To explore the expression of NEK2 and alteration of signaling pathway factors, qRT-PCR and Western blot analysis were performed...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28109084/mir-5195-3p-inhibits-proliferation-and-invasion-of-human-bladder-cancer-cells-by-directly-targeting-oncogene-klf5
#2
Zhangjie Jiang, Yida Zhang, Runfu Cao, Li Li, Kezhao Zhong, Qingsheng Chen, Jianjun Xiao
MiRNAs played key roles in carcinogenesis of many cancers including bladder cancer. In current study, the role of miR-5195-3p, a quite recently discovered and poorly studied miRNA, in the proliferation and invasion of human bladder cancer cells was investigated. Our data displayed that, compared with the healthy volunteers (control) and SU-HUC-1 human normal bladder epithelial cells, miR-5195-3p was sharply down-regulated in the bladder cancer patients and 5 human bladder cancer cell lines. Then, the oligo miR-5195-3p mimic or miR-5195-3p antagomir was respectively transfected into both T24 and BIU-87 bladder cancer cell lines...
January 20, 2017: Oncology Research
https://www.readbyqxmd.com/read/28109061/urocortin-suppresses-endometrial-cancer-cell-migration-via-crfr2-and-its-system-components-are-differentially-modulated-by-estrogen
#3
Gemma L Owens, Kevin M Lawrence, Tom R Jackson, Emma J Crosbie, Berna S Sayan, Henry C Kitchener, Paul A Townsend
Urocortin (UCN1) peptide shares structural and functional homology with corticotropin-releasing factor (CRF). UCN1 is significantly reduced in endometrial adenocarcinoma compared to healthy controls. However, there are no data which evaluate the effects of UCN1 in the endometrium, or how it is modulated. We used proliferation and transwell assays to determine the effect of UCN1 on the proliferation and migration of Ishikawa and HEC1A cells. We also determined the expression levels of UCN1 and its receptors produced by estrogen receptor agonists, and the effect of UCN1 on estrogen receptor expression, using quantitative polymerase chain reaction...
January 21, 2017: Cancer Medicine
https://www.readbyqxmd.com/read/28109014/urothelial-generation-and-regeneration-in-development-injury-and-cancer
#4
REVIEW
Caihong Wang, Whitney Trotter Ross, Indira U Mysorekar
Homeostatic maintenance and repair of the urothelium upon injury are required for a functional bladder in both healthy and disease conditions. Understanding the cellular and molecular mechanisms underlying the urothelial regenerative response is key to designing strategies for tissue repair and ultimately treatments for urologic diseases including urinary tract infections, voiding dysfunction, painful bladder syndrome and bladder cancer. In this article, we review studies on urothelial ontogeny during development and regeneration following various injury modalities...
January 20, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28108625/combined-parthenolide-and-balsalazide-have-enhanced-antitumor-efficacy-through-blockade-of-nf-%C3%AE%C2%BAb-activation
#5
Se-Lim Kim, Seong Hun Kim, Young Ran Park, Yu-Chuan Liu, Eun-Mi Kim, Hwan-Jeong Jeong, Yo Na Kim, Seung Young Seo, In Hee Kim, Seung Ok Lee, Soo Teik Lee, Sang-Wook Kim
: Balsalazide is a colon-specific prodrug of 5-aminosalicylate that is associated with a reduced risk of colon cancer in patients with ulcerative colitis. Parthenolide, a strong NF-κB inhibitor, has recently been demonstrated to be a promising therapeutic agent, promoting apoptosis of cancer cells. In the current study, the antitumor effect of balsalazide combined with parthenolide in human colorectal cancer cells and colitis-associated colon cancers (CAC) was investigated. The results demonstrate that the combination of balsalazide and parthenolide markedly suppress proliferation, nuclear translocation of NF-κB, IκB-α phosphorylation, NF-κB DNA binding, and expression of NF-κB targets...
November 14, 2016: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28108217/cdk3-is-a-major-target-of-mir-150-in-cell-proliferation-and-anti-cancer-effect
#6
Liang Wang, Yongyong Xi, Chengcao Sun, Feng Zhang, Heng Jiang, Qiqiang He, Dejia Li
MiR-150, a member of small non-coding RNAs, has been proven to dysregulate in different types of tumor and bear on carcinogenesis and cancer prognosis by regulating the expression of a series of gene including utrophin. Given that utrophin can compensate for dystrophin's absence and be regarded as a promising therapeutic target for Duchenne Muscular Dystrophy (DMD), we further detected the deep role of miR-150 in dystrophic muscle. Using a range of bioinformatic, molecular and cell biology techniques, we declared that miR-150 directly targets cyclin-dependent kinase 3 (CDK3) and leads to the regulation of CDK3 gene expression in both muscle-derived and non-muscle cells...
January 17, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28108177/discriminating-between-adaptive-and-carcinogenic-liver-hypertrophy-in-rat-studies-using-logistic-ridge-regression-analysis-of-toxicogenomic-data-the-mode-of-action-and-predictive-models
#7
Shujie Liu, Taisuke Kawamoto, Osamu Morita, Kouichi Yoshinari, Hiroshi Honda
Chemical exposure often results in liver hypertrophy in animal tests, characterized by increased liver weight, hepatocellular hypertrophy, and/or cell proliferation. While most of these changes are considered adaptive responses, there is concern that they may be associated with carcinogenesis. In this study, we have employed a toxicogenomic approach using a logistic ridge regression model to identify genes responsible for liver hypertrophy and hypertrophic hepatocarcinogenesis and to develop a predictive model for assessing hypertrophy-inducing compounds...
January 17, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28107834/a-label-free-colorimetric-isothermal-cascade-amplification-for-the-detection-of-disease-related-nucleic-acids-based-on-double-hairpin-molecular-beacon
#8
Dong Wu, Huo Xu, Haimei Shi, Weihong Li, Mengze Sun, Zai-Sheng Wu
K-Ras mutations at codon 12 play an important role in an early step of carcinogenesis. Here, a label-free colorimetric isothermal cascade amplification for ultrasensitive and specific detection of K-Ras point mutation is developed based on a double-hairpin molecular beacon (DHMB). The biosensor consists of DHMB probe and a primer-incorporated polymerization template (PPT) designed partly complementary to DHMB. In the presence of polymerase, target DNA is designed to trigger strand displacement amplification (SDA) via promote the hybridization of PPT with DHMB and subsequently initiates cascade amplification process with the help of the nicking endonuclease...
March 8, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28107678/nobiletin-and-its-colonic-metabolites-suppress-colitis-associated-colon-carcinogenesis-by-down-regulating-inos-inducing-antioxidative-enzymes-and-arresting-cell-cycle-progression
#9
Xian Wu, Mingyue Song, Zili Gao, Yue Sun, Minqi Wang, Fang Li, Jinkai Zheng, Hang Xiao
Nobiletin (NOB) is a major citrus polymethoxyflavone (PMF) with various beneficial biological activities. We reported previously that dietary NOB significantly inhibited colitis-associated colon carcinogenesis in azoxymethane (AOM)/dextran sulfate sodium (DSS)-treated mice, and the chemopreventive effects were associated with NOB metabolites found in the mouse colonic tissues. In this study, to better understand the role of colonic metabolites of NOB, we determined the anti-inflammation and anticancer effects of a mixture of NOB and its major metabolites (NOB-Met) at the concentrations equivalent to those found in colonic tissues of NOB-fed mice...
January 11, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28107620/chemical-interaction-of-protein-cysteine-residues-with-reactive-metabolites-of-methyleugenol
#10
Yukun Feng, Hui Wang, Qian Wang, Wenlin Huang, Ying Peng, Jiang Zheng
Methyleugenol (ME), an alkenylbenzene compound, is a natural ingredient of several herbs and is used as flavoring agent in foodstuffs and fragrance in cosmetics. The hepatotoxicity, cytotoxicity, and carcinogenesis of ME have been well documented, and metabolic activation has been suggested to involve in ME-induced toxicities. The objective of this study was to identify chemical identity of interactions of protein with reactive metabolites of ME. Modification of cysteine residues of protein was observed in microsomal incubations and mice after exposure to ME...
January 20, 2017: Chemical Research in Toxicology
https://www.readbyqxmd.com/read/28107544/cutaneous-hpv8-and-mmupv1-e6-proteins-target-the-notch-and-tgf-%C3%AE-tumor-suppressors-to-inhibit-differentiation-and-sustain-keratinocyte-proliferation
#11
Jordan M Meyers, Aayushi Uberoi, Miranda Grace, Paul F Lambert, Karl Munger
Cutaneous beta-papillomaviruses are associated with non-melanoma skin cancers that arise in patients who suffer from a rare genetic disorder, Epidermodysplasia verruciformis (EV) or after immunosuppression following organ transplantation. Recent studies have shown that the E6 proteins of the cancer associated beta human papillomavirus (HPV) 5 and HPV8 inhibit NOTCH and TGF-β signaling. However, it is unclear whether disruption of these pathways may contribute to cutaneous HPV pathogenesis and carcinogenesis...
January 20, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28107196/wilms-tumor-gene-1-silencing-inhibits-proliferation-of-human-osteosarcoma-mg-63-cell-line-by-cell-cycle-arrest-and-apoptosis-activation
#12
Adriana Carol Eleonora Graziano, Venera Cardile, Rosanna Avola, Nunzio Vicario, Carmela Parenti, Lucia Salvatorelli, Gaetano Magro, Rosalba Parenti
Wilms' tumor gene 1 (WT1) plays complex roles in tumorigenesis, acting as tumor suppressor gene or an oncogene depending on the cellular context. A high WT1 expression level was described in various types of human bone and soft-tissue sarcomas, including osteosarcoma (OS), but its function in carcinogenesis is not yet well understood. This study investigated WT1 both in human OS tissues and in human OS MG-63 cell line in which WT1 gene is up-regulated. The results demonstrated that WT1 is expressed in 50% of human OS cases...
January 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106826/colorectal-carcinoma-a-general-overview-and-future-perspectives-in-colorectal-cancer
#13
REVIEW
Inés Mármol, Cristina Sánchez-de-Diego, Alberto Pradilla Dieste, Elena Cerrada, María Jesús Rodriguez Yoldi
Colorectal cancer (CRC) is the third most common cancer and the fourth most common cause of cancer-related death. Most cases of CRC are detected in Western countries, with its incidence increasing year by year. The probability of suffering from colorectal cancer is about 4%-5% and the risk for developing CRC is associated with personal features or habits such as age, chronic disease history and lifestyle. In this context, the gut microbiota has a relevant role, and dysbiosis situations can induce colonic carcinogenesis through a chronic inflammation mechanism...
January 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28106539/plasma-mir-92a-2-as-a-biomarker-for-small-cell-lung-cancer
#14
Yalan Yu, Jiangcheng Zuo, Qian Tan, Khaing Zar Thin, Ping Li, Man Zhu, Mingxia Yu, Zhenming Fu, Chunzi Liang, Jiancheng Tu
MicroRNAs (miRNAs) are small, non-coding RNAs that play important roles in the carcinogenesis and progression of cancers. Aberrant expression of miRNAs in tissue and plasma has been found in various solid tumors. Our research aims to determine whether the abnormal plasma miRNA expression patterns can be used as a predictive marker for the diagnosis and prognosis of small cell lung cancer (SCLC). Fifty SCLC patients and 30 healthy controls annotated with clinical characteristics and specific questionnaire survey for smoking history were available...
January 13, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/28106049/food-grade-tio2-impairs-intestinal-and-systemic-immune-homeostasis-initiates-preneoplastic-lesions-and-promotes-aberrant-crypt-development-in-the-rat-colon
#15
Sarah Bettini, Elisa Boutet-Robinet, Christel Cartier, Christine Coméra, Eric Gaultier, Jacques Dupuy, Nathalie Naud, Sylviane Taché, Patrick Grysan, Solenn Reguer, Nathalie Thieriet, Matthieu Réfrégiers, Dominique Thiaudière, Jean-Pierre Cravedi, Marie Carrière, Jean-Nicolas Audinot, Fabrice H Pierre, Laurence Guzylack-Piriou, Eric Houdeau
Food-grade titanium dioxide (TiO2) containing a nanoscale particle fraction (TiO2-NPs) is approved as a white pigment (E171 in Europe) in common foodstuffs, including confectionary. There are growing concerns that daily oral TiO2-NP intake is associated with an increased risk of chronic intestinal inflammation and carcinogenesis. In rats orally exposed for one week to E171 at human relevant levels, titanium was detected in the immune cells of Peyer's patches (PP) as observed with the TiO2-NP model NM-105. Dendritic cell frequency increased in PP regardless of the TiO2 treatment, while regulatory T cells involved in dampening inflammatory responses decreased with E171 only, an effect still observed after 100 days of treatment...
January 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28105689/preferential-recognition-of-auto-antibodies-against-4-hydroxynonenal-modified-dna-in-the-cancer-patients
#16
Mohammad Faisal, Uzma Shahab, Abdulrahman A Alatar, Saheem Ahmad
BACKGROUND: The structural perturbations in DNA molecule may be caused by a break in a strand, a missing base from the backbone, or a chemically changed base. These alterations in DNA that occurs naturally can result from metabolic or hydrolytic processes. DNA damage plays a major role in the mutagenesis, carcinogenesis, aging and various other patho-physiological conditions. DNA damage can be induced through hydrolysis, exposure to reactive oxygen species (ROS) and other reactive carbonyl metabolites including 4-hydroxynonenal (HNE)...
January 20, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28105582/-control-of-opisthorchis-viverrini-infection-for-cholangiocarcinoma-prevention
#17
Y Buisson
The International Agency for Research on Cancer (IARC) has classified two liver flukes as carcinogenic to humans (Group 1): Opisthorchis viverrini in 1994 and Clonorchis sinensis in 2009. This review is focused on O. viverrini, the most studied of these two trematodes, which infects nearly 10 million people in Southeast Asia. The life cycle involves two intermediate hosts living in fresh water: a snail of the genus Bithynia and a ciprinid fish. The definitive hosts (human, cat, dog) become infected by ingesting raw fish containing metacercariae, the infective stage of the parasite...
January 19, 2017: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/28105225/mir-1297-promotes-cell-proliferation-by-inhibiting-rb1-in-liver-cancer
#18
Chengyong Liu, Chunying Wang, Ji Wang, Haibin Huang
Liver cancer is the one of the most common causes of cancer-associated mortality worldwide. MicroRNAs (miRNAs or miRs) are important in various types of cancer, including liver cancer. In the present study, with miRNA expression profile data obtained from the Gene Expression Omnibus database, three independent methods were used to investigate the miRNAs that are involved in liver carcinogenesis, including Fisher's exact test, t-test and Wilcoxon test. Five differentially expressed miRNAs were identified. Among them, miR-1297 drew specific attention...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105186/upregulated-mir-193a-3p-as-an-oncogene-in-esophageal-squamous-cell-carcinoma-regulating-cellular-proliferation-migration-and-apoptosis
#19
Yunfeng Yi, Jianming Chen, Changjie Jiao, Jing Zhong, Zhiming Song, Xiaoping Yu, Xiujuan Lu, Baoli Lin
MicroRNAs (miRs) are small endogenous non-coding RNAs that play a vital role in carcinogenesis. miR-193a-3p has been described in multiple cancers. However, the function of miR-193a-3p in esophageal squamous cell carcinoma (ESCC) is still unclear. To explore the role of miR-193a-3p in ESCC, reverse transcription-quantitative polymerase chain reaction was used to evaluate the expression of miR-193a-3p in 48 paired ESCC and adjacent normal tissues. In addition, the impact of miR-193a-3p on cell proliferation, migration and apoptosis were analyzed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, wound scratch assay and flow cytometry, respectively...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28105166/mir-217-regulates-tumor-growth-and-apoptosis-by-targeting-the-mapk-signaling-pathway-in-colorectal-cancer
#20
Nan Zhang, Canrong Lu, Lin Chen
MicroRNA (miR)-217 has been reported to participate in carcinogenesis and tumor progression in several cancers; however, its expression and biological functions in colorectal cancer (CRC) are still unclear. The present study demonstrated that miR-217 expression was significantly higher in matched adjacent noncancerous tissues than in CRC tissues (P<0.001). In addition, it was observed that low-grade CRC exhibited greater expression of miR-217 compared with high-grade CRC (P<0.05). Kaplan-Meier survival and Cox regression analyses revealed that overall survival rates were significantly poorer in the low-expression group relative to the high-expression group (P<0...
December 2016: Oncology Letters
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