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https://www.readbyqxmd.com/read/29667881/the-ability-of-adc-measurements-in-the-assessment-of-patients-with-stage-i-endometrial-carcinoma-based-on-three-risk-categories
#1
Shijia Wang, Jia Liu, Feng Yuan, Xiaojun Chen, Fenghua Ma, Guofu Zhang, Xiaomei Tian
Background Better selection of patients with intermediate and high-risk stage I endometrial carcinoma (EC) for lymphadenectomy has an important effect on the prognosis. Purpose To investigate the role of apparent diffusion coefficient (ADC) measurements in the assessment of stage I EC patients based on three risk categories. Material and Methods We retrospectively studied 80 patients with EC and 28 cervical cancer patients with normal endometrium. 1.5-T conventional magnetic resonance imaging (MRI) and diffusion-weighted imaging (DWI) (b = 0, 1000 s/mm2 ) were performed, and ADC values were calculated...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29667779/mir-193a-3p-and-mir-224-mediate-renal-cell-carcinoma-progression-by-targeting-alpha-2-3-sialyltransferase-iv-and-the-phosphatidylinositol-3-kinase-akt-pathway
#2
Yue Pan, Jialei Hu, Jia Ma, Xia Qi, Huimin Zhou, Xiaoyan Miao, Wei Zheng, Li Jia
Tumor metastasis is a major cause of cancer-related death in renal cell carcinoma (RCC). MicroRNAs (miRNAs) have been widely known to modulate proliferation invasion, metastasis and apoptosis of cancer cells. In this study, we aimed to investigate the function and novel target of miR-193a-3p and miR-224 in RCC. The levels of miR-193a-3p and miR-224 were significantly increased in RCC tissues and RCC cell lines. Alpha-2, 3-Sialyltransferase IV (ST3GalIV) was highly expressed in adjacent nontumor tissues and human normal proximal tubular cell line HK-2 compared to RCC tissues and cell lines...
April 18, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29667555/synthesis-cytotoxicity-and-antioxidant-activity-of-new-analogues-of-rc-121-synthetic-derivatives-of-somatostatin
#3
Diana Wesselinova, Emilia D Naydenova, S Staykova, I G Goshev, L Vezenkov
BACKGROUND: Based on the structure of RC-121 (D-Phe-c (Cys-Tyr-D-Trp-Lys-Val-Cys)-Thr-NH2, - synthetic derivatives of somatostatin), some analogs were synthesized and tested for in vitro cytotoxic and antioxidant activity. OBJECTIVES: The new analogs were modifyed at position 5 with Dap (diaminopropanoic acid), Dab (diaminobutanoic acid) and Orn and at position 6 with the unnatural amino acids Tle (t-leucine). METHODS: The in vitro cytotoxic effects of the substances were investigated against a panel of human tumor cell lines HT-29 (human colorectal cancer cell line), MDA-MB-23 (human breast cancer cell line), Hep G-2 (human hepatocellular carcinoma cell line) and HeLa (cervical cancer cell line)...
April 17, 2018: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/29667299/usp4-expression-independently-predicts-favorable-survival-in-lung-adenocarcinoma
#4
Ming Zhong, Qi Jiang, Ronghui Jin
Ubiquitin specific protease 4 (USP4) is a member of the USPs family, which catalyzes the cleavage of ubiquitin from a series of protein substrates, thereby modulating a number of cellular signaling pathways. In this study, we aimed to explore the expression profile of USP4 in lung adenocarcinoma (LUAD) using large patient cohorts in the Cancer Genome Atlas and the International Cancer Genome Consortium and to investigate its prognostic value and the possible mechanisms of its dysregulation. Results showed that USP4 was significantly downregulated in LUAD tissues (N = 514) compared with the normal controls (N = 59)...
April 17, 2018: IUBMB Life
https://www.readbyqxmd.com/read/29667114/efficacy-of-endoscopic-ultrasonography-for-determining-clinical-t-category-for-esophageal-squamous-cell-carcinoma-data-from-1434-surgical-cases
#5
Jie Yang, Guang-Yu Luo, Run-Bin Liang, Tai-Shan Zeng, Hao Long, Jian-Hua Fu, Guo-Liang Xu, Mu-Zi Yang, Shuo Li, Lan-Jun Zhang, Peng Lin, Xin Wang, Xue Hou, Hao-Xian Yang
BACKGROUND: The efficacy of endoscopic ultrasonography (EUS) for determining T category is variable for esophageal squamous cell carcinoma (ESCC). We aimed to assess the efficacy of EUS in accurately identifying T category for ESCC based on the 8th AJCC Cancer Staging Manual. METHODS: A retrospective analysis was conducted using a prospectively collected ESCC database from January 2003 to December 2015, in which all patients underwent EUS examination followed by esophagectomy...
April 17, 2018: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/29667067/a-first-in-class-inhibitor-mln4924-pevonedistat-induces-cell-cycle-arrest-senescence-and-apoptosis-in-human-renal-cell-carcinoma-by-suppressing-ube2m-dependent-neddylation-modification
#6
Bo Xu, Yuyou Deng, Ran Bi, Haoran Guo, Chang Shu, Neelam Kumari Shah, Junliang Chang, Guanchen Liu, Yujun Du, Wei Wei, Chunxi Wang
PURPOSE: MLN4924 is a second-generation inhibitor that targets ubiquitin-proteasome system by inhibiting neddylation activation enzyme (NAE), and subsequently blocking the neddylation-dependent activation of Cullin-RING E3 ligases (CRLs), which leads to the accumulation of CRLs substrates and hence, suppressing diverse tumor development. In this study, we investigated the potential application of this first-in-class inhibitor MLN4924 in the treatment of human renal cell carcinoma both in vitro and in vivo...
April 17, 2018: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/29667008/eco-friendly-synthesis-in-vitro-anti-proliferative-evaluation-and-3d-qsar-analysis-of-a-novel-series-of-monocationic-2-aryl-heteroaryl-substituted-6-2-imidazolinyl-benzothiazole-mesylates
#7
Livio Racané, Lucija Ptiček, Mirela Sedić, Petra Grbčić, Sandra Kraljević Pavelić, Branimir Bertoša, Irena Sović, Grace Karminski-Zamola
Herein, we describe the synthesis of twenty-one novel water-soluble monocationic 2-aryl/heteroaryl-substituted 6-(2-imidazolinyl)benzothiazole mesylates 3a-3u and present the results of their anti-proliferative assays. Efficient syntheses were achieved by three complementary simple two-step synthetic protocols based on the condensation reaction of aryl/heteroaryl carbaldehydes or carboxylic acid. We developed an eco-friendly synthetic protocol using glycerol as green solvent, particularly appropriate for the condensation of thermally and acid-sensitive heterocycles such as furan, benzofuran, pyrrole, and indole...
April 17, 2018: Molecular Diversity
https://www.readbyqxmd.com/read/29666991/frequency-and-characteristics-of-contralateral-breast-abnormalities-following-recall-at-screening-mammography
#8
Joost R C Lameijer, Angela Coolen, Adri C Voogd, Luc J Strobbe, Marieke W J Louwman, Dick Venderink, Vivian C Tjan-Heijnen, Lucien E M Duijm
PURPOSE: To determine the frequency and characteristics of contralateral, non-recalled breast abnormalities following recall at screening mammography. METHODS: We included a series of 130,338 screening mammograms performed between 1 January 2014 and 1 January 2016. During the 1-year follow-up, clinical data were collected for all recalls. Screening outcome was determined for recalled women with or without evaluation of contralateral breast abnormalities. RESULTS: Of 3,995 recalls (recall rate 3...
April 17, 2018: European Radiology
https://www.readbyqxmd.com/read/29666959/carney-complex-a-case-with-thyroid-follicular-adenoma-without-a-prkar1a-mutation
#9
Shinji Hattori, Yukou Yamane, Ryoichi Shimomura, Yuki Uchida, Nobuhiko Toyota, Yoshio Miura, Setsujyo Shiota, Yoshitsugu Tajima
BACKGROUND: Carney complex (CNC) is a very rare disease. Although thyroid lesions are included in the diagnostic criteria for CNC, they are an infrequent occurrence. CASE PRESENTATION: The patient was a 69-year-old woman who had undergone the removal of a left atrial myxoma 10 years earlier, at the age of 59. At the time of the operation, thyroid ultrasonography (US) revealed multiple hypoechoic nodules. Thyroid scintigraphy revealed an increased uptake of 99m Tc in these lesions, which was consistent with toxic multinodular goiter, and she was diagnosed with CNC...
April 17, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29666799/comparison-of-two-major-staging-systems-of-esophageal-cancer-toward-more-practical-common-scale-for-tumor-staging
#10
REVIEW
Harushi Udagawa, Masaki Ueno
The latest 8th edition of TNM Classification of Malignant Tumours by Union for International Cancer Control (UICC) and 11th edition of Japanese Classification of Esophageal Cancer by Japan Esophageal Society (JES) are the two major classifications widely accepted as tools for clinical staging of esophageal cancer. Both systems consist of three main categories, i.e., T, N, and M, but large difference exists between the two. JES system has more detailed sub-classification of T1 tumors reflecting meticulous work by Japanese investigators on superficial esophageal cancer...
February 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29666752/pathways-of-topological-rank-analysis-potra-a-novel-method-to-detect-pathways-involved-in-hepatocellular-carcinoma
#11
Chaoxing Li, Li Liu, Valentin Dinu
Complex diseases such as cancer are usually the result of a combination of environmental factors and one or several biological pathways consisting of sets of genes. Each biological pathway exerts its function by delivering signaling through the gene network. Theoretically, a pathway is supposed to have a robust topological structure under normal physiological conditions. However, the pathway's topological structure could be altered under some pathological condition. It is well known that a normal biological network includes a small number of well-connected hub nodes and a large number of nodes that are non-hubs...
2018: PeerJ
https://www.readbyqxmd.com/read/29666669/-egfr-amplification-induces-sensitivity-to-anti-egfr-therapy-in-pancreatic-acinar-cell-carcinoma
#12
Corentin Richard, Julie Niogret, Romain Boidot, Francois Ghiringhelli
Pancreatic acinar cell carcinoma (PACC) is a rare cancer. When the tumor is metastatic, few therapeutic options are available. Precision medicine using next-generation sequencing is defined by the administration of drugs based on the tumor genetic mutations. The usage of precision medicine for finding new therapeutic options for rare cancers is an emerging field. We have reported here the case of a patient bearing a multitreated metastatic PACC. This patient underwent somatic and constitutional exome analyses...
April 15, 2018: World Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/29666643/rna-seq-reveals-the-overexpression-of-igsf9-in-endometrial-cancer
#13
Zonggao Shi, Chunyan Li, Laura Tarwater, Jun Li, Yang Li, William Kaliney, Darshan S Chandrashekar, M Sharon Stack
We performed RNA-seq on an Illumina platform for 7 patients with endometrioid endometrial carcinoma for which both tumor tissue and adjacent noncancer tissue were available. A total of 66 genes were differentially expressed with significance level at adjusted p value < 0.01. Using the gene functional classification tool in the NIH DAVID bioinformatics resource, 5 genes were found to be the only enriched group out of that list of genes. The gene IGSF9 was chosen for further characterization with immunohistochemical staining of a larger cohort of human endometrioid carcinoma tissues...
2018: Journal of Oncology
https://www.readbyqxmd.com/read/29666149/genetic-and-phenotypic-difference-in-cd8-t-cell-exhaustion-between-chronic-hepatitis-b-infection-and-hepatocellular-carcinoma
#14
Xiaochen Wang, Qifeng He, Haiyuan Shen, Xiao-Jie Lu, Beicheng Sun
BACKGROUND: Several recent studies published have suggested that T cell exhaustion exists both in chronic infection and cancer. However, to date, few studies have investigated their differences. Here we designed this study to explore the genetic and phenotypic difference in CD8+ T cell exhaustion between chronic hepatitis B (CHB) and hepatocellular carcinoma (HCC). METHODS: In this study, we assayed the phenotypes and functional states of CD8+ T cells separating from human CHB tissues and HCC tissues, and re-analyse the single-cell sequencing data (GSE98638) published previously...
April 17, 2018: Journal of Medical Genetics
https://www.readbyqxmd.com/read/29666097/natural-history-of-luminal-a-breast-invasive-ductal-carcinoma-in-an-elderly
#15
Geok Hoon Lim, Samantha Piao Xue Tay, Mihir Gudi
An elderly woman, with no clinically palpable breast lump, presented with an initially benign-appearing lesion on ultrasound. She was followed up to reveal the natural history of luminal A breast cancer.
April 17, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29666026/cervical-cancer-state-of-the-science-from-angiogenesis-blockade-to-checkpoint-inhibition
#16
REVIEW
Lindsey E Minion, Krishnansu S Tewari
Vascular endothelial growth factor (VEGF) has emerged as a therapeutic target in several malignancies, including cervical cancer. Chemotherapy doublets combined with the fully humanized monoclonal antibody, bevacizumab, now constitute first-line therapy for women struggling with recurrent/metastatic cervical carcinoma. Regulatory approval for this indication was based on the phase III randomized trial, GOG 240, which demonstrated a statistically significant and clinically meaningful improvement in overall survival when bevacizumab was added to chemotherapy: 17...
March 2018: Gynecologic Oncology
https://www.readbyqxmd.com/read/29666004/biallelic-tp53-gain-of-function-mutations-in-rapidly-progressing-solid-tumors
#17
Christopher M Sande, Brian Chang, Varun Monga, Aaron D Bossler, Deqin Ma
Recent studies are discovering TP53 mutations with gain of function (GOF) properties that promote tumorigenesis via a variety of mechanisms. To our knowledge, all reported compound mutations are allelic. We identified two patients with biallelic GOF TP53 mutations in their tumors and a third with allelic compound variants. The correlation with p53 expression was also examined. Genomic DNA was extracted from formalin-fixed, paraffin-embedded tissue and mutational analysis was performed using Ion AmpliSeq™Cancer HotSpot Panel V2...
April 2018: Cancer Genetics
https://www.readbyqxmd.com/read/29665790/the-oncogenic-effects-of-hes1-on-salivary-adenoid-cystic-carcinoma-cell-growth-and-metastasis
#18
Xiao-Yu Huang, Rui-Huan Gan, Jian Xie, Lin She, Yong Zhao, Lin-Can Ding, Bo-Hua Su, Da-Li Zheng, You-Guang Lu
BACKGROUND: Our previous study demonstrated a close relationship between NOTCH signaling pathway and salivary adenoid cystic carcinoma (SACC). HES1 is a well-known target gene of NOTCH signaling pathway. The purpose of the present study was to further explore the molecular mechanism of HES1 in SACC. METHODS: Comparative transcriptome analyses by RNA-Sequencing (RNA-Seq) were employed to reveal NOTCH1 downstream gene in SACC cells. Immunohistochemical staining was used to detect the expression of HES1 in clinical samples...
April 17, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29665787/valproic-acid-sensitizes-metformin-resistant-human-renal-cell-carcinoma-cells-by-upregulating-h3-acetylation-and-emt-reversal
#19
Muyun Wei, Shaowei Mao, Guoliang Lu, Liang Li, Xiaopeng Lan, Zhongxian Huang, Yougen Chen, Miaoqing Zhao, Yueran Zhao, Qinghua Xia
BACKGROUND: Metformin (Met) is a widely available diabetic drug and shows suppressed effects on renal cell carcinoma (RCC) metabolism and proliferation. Laboratory studies in RCC suggested that metformin has remarkable antitumor activities and seems to be a potential antitumor drug. But the facts that metformin may be not effective in reducing the risk of RCC in cancer clinical trials made it difficult to determine the benefits of metformin in RCC prevention and treatment. The mechanisms underlying the different conclusions between laboratory experiments and clinical analysis remains unclear...
April 17, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29665555/hesperidin-promotes-programmed-cell-death-by-downregulation-of-nongenomic-estrogen-receptor-signalling-pathway-in-endometrial-cancer-cells
#20
Z B Cincin, B Kiran, Y Baran, B Cakmakoglu
Endometrial carcinoma (EC) is the most common malignant gynecologic tumor in women. EC is thought to be caused by increasing estrogen levels relative to progesterone in the body. Hesperidin (Hsd), a biologically active flavonoid, could be extracted from Citrus species. It has been recently shown that Hsd could exert anticarcinogenic properties in different cancer types. However, the effects of Hsd and its molecular mechanisms on EC remain unclear. In this study, the antiproliferative, apoptotic and genomic effects of Hsd in EC and its underlying mechanisms were identified...
April 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
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