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Tumor profiling

Baoyong Wang, Hongwei Chen, Chunfen Zhang, Tian Yang, Qiaofei Zhao, Yifan Yan, Yu Zhang, Feng Xu
Primary hepatocellular carcinoma (HCC) is one of the most common malignant tumors. At present, the molecular mechanism of HCC remains unclear. A recent circular RNA (circRNA) profiling study showed that circRBM23 expression was upregulated in HCC tissues. Therefore, in this study, the impact of circRBM23 during the progression of HCC was evaluated. The expression levels of circRBM23 and miR-138 in HCC tissues and HCC cell lines were determined by RT-PCR and the results indicated that circRBM23 expression was increased in the HCC tissues and HCC cell lines, whereas miR-138 expression was decreased...
June 2018: Cancer Biotherapy & Radiopharmaceuticals
Vo Thi Thuong Lan, Ho Van Son, Vu Lan Trang, Nguyen Thu Trang, Nguyen Thi Phuong, Nguyen Linh Toan, Pham Anh Thuy Duong
The three genes encoding small non‑coding microRNA (miR)34a, MIR34b and MIR34c act as tumor‑suppressor genes. Their aberrant expressions regulated by DNA methylation have been frequently found in various types of cancer. In the present study, the DNA promoter methylation profiles of the MIR34 gene family were analyzed using the methylation specific polymerase chain reaction in order to clarify their association with breast and lung cancer, non‑cancerous or normal adjacent tissues. The methylation frequency of MIR34a was significantly higher in breast cancer (49...
June 18, 2018: Molecular Medicine Reports
Kun Qian, Huiying Huang, Jing Jiang, Dahua Xu, Shengnan Guo, Ying Cui, Hao Wang, Liqiang Wang, Kongning Li
Autophagy is crucial in cellular homeostasis and has been implicated in the development of malignant tumors. However, the regulatory function of autophagy in cancer remains to be fully elucidated. In the present study, the autophagy-mediated competing endogenous RNA (ceRNA)‑ceRNA interaction networks in colorectal cancer (CRC) were constructed by integrating systematically expression profiles of long non‑coding RNAs and mRNAs. It was found that a large proportion of autophagy genes were inclined to target hub nodes, including a fraction of autophagy genes, by comparing with other genes within ceRNA networks, and showed preferential interaction with themselves...
June 18, 2018: International Journal of Oncology
Tomonobu Koizumi, Vivek Shetty, Masaki Yamaguchi
Objective To develop a combinatorial panel of salivary cytokines that manifests the presence of non-small cell lung cancer (NSCLC) that will eventually improve prognosis by facilitating the early diagnosis and management of this common cancer. Methods We performed a case-control study comparing salivary cytokine profiles of 35 adult subjects with NSCLC with those of 35 matched, healthy nonsmokers. Multiplex bead array assays were used to quantify 27 cytokines in saliva, serum, and oral mucosal transudate samples...
January 1, 2018: Journal of International Medical Research
Raghav Sundar, Aditi Qamra, Angie Lay Keng Tan, Shenli Zhang, Cedric Chuan Young Ng, Bin Tean Teh, Jeeyun Lee, Kyoung-Mee Kim, Patrick Tan
BACKGROUND: Epstein-Barr virus-associated gastric cancer (EBVaGC) has traditionally been associated with high expression of PD-L1 and immune infiltration. Correlations between PD-L1 and other immune-related gene (IRG) expressions in EBVaGC have not been previously described. METHODS: We performed NanoString® transcriptomic profiling and PD-L1 immunohistochemistry (IHC) (using the FDA approved Dako PD-L1 IHC 22C3) on EBVaGC samples from gastric cancer patients undergoing primary tumor resections at Samsung Medical Centre, South Korea...
June 18, 2018: Gastric Cancer
Yanping Zhang, Shi Ding, Jie Yang, Xingfeng Chen, Weilin Huang
There is emerging evidence that some microRNAs can promote or suppress several human cancer development and progression. However, the profile and molecular mechanism of microRNAs for human breast cancer is poorly unknown. We used bioinformatics approaches to find new candidate diagnostic and therapeutic miRNAs in human breast cancer via analysis of TCGA RNA sequencing data and publicly GEO microarray data, in order to provide theoretical basis for the future investigations of breast cancer. Decreased expression miR-146a was identified as a key regulator of human breast cancer development and progression...
June 18, 2018: Pathology Oncology Research: POR
Konrad H Stopsack, Ericka M Ebot, Mary K Downer, Travis A Gerke, Jennifer R Rider, Philip W Kantoff, Lorelei A Mucci
PURPOSE: Pharmacoepidemiology studies suggest prognostic benefits of aspirin in prostate cancer. We hypothesized that aspirin induces transcriptional changes in tumors or normal prostate tissue. METHODS: We analyzed the prostatic transcriptome from men diagnosed with prostate cancer during follow-up of the Physicians' Health Study 1 (PHS, n = 149), initially a randomized controlled trial of aspirin. Aspirin target genes were identified through systematic literature review and a drug target database...
June 18, 2018: Cancer Causes & Control: CCC
Asunción Díaz-Serrano, Pablo Gella, Elisabeth Jiménez, Jon Zugazagoitia, Luis Paz-Ares Rodríguez
Lung cancer is the second most common malignant tumor and the leading cause of cancer death. Epidermal growth factor receptor (EGFR)-mutant non-small cell lung cancer (NSCLC) is a distinct subtype of lung cancer comprising approximately 15-40% of non-squamous tumors. The development of first- and second-generation EGFR tyrosine kinase inhibitors (TKIs) has been a significant step forward in the treatment of patients with EGFR-mutant tumors, and over the last few years has been the therapy of choice in the initial management of patients with activating mutations in EGFR, with some differences in efficacy and toxicity profile...
June 18, 2018: Drugs
Liron Kogan, David Octeau, Zainab Amajoud, Jeremie Abitbol, Ido Laskov, Alex Ferenczy, Manuela Pelmus, Neta Eisenberg, Roy Kessous, Susie Lau, Amber Yasmeen, Walter H Gotlieb, Shannon Salvador
Objective: Evaluation of the impact of lower uterine segment involvement (LUSI) in type II endometrial cancer, and mutational profile of uterine papillary serous carcinomas (UPSC). Methods: Retrospective cohort study comparing patients with type II endometrial cancer with LUSI to patients without LUSI. Genes commonly implicated in carcinogenesis were analyzed in a subgroup of 42 patients with UPSC using next generation sequencing. Results: 83 patients with type II endometrial cancer were included in the study, of these, LUSI was diagnosed in 31...
May 2018: Gynecologic Oncology Reports
Dalong Sun, Jing Chen, Longzi Liu, Guangxi Zhao, Pingping Dong, Bingrui Wu, Jun Wang, Ling Dong
A robust and accurate gene expression signature is essential to assist oncologists to determine which subset of patients at similar Tumor-Lymph Node-Metastasis (TNM) stage has high recurrence risk and could benefit from adjuvant therapies. Here we applied a two-step supervised machine-learning method and established a 12-gene expression signature to precisely predict colon adenocarcinoma (COAD) prognosis by using COAD RNA-seq transcriptome data from The Cancer Genome Atlas (TCGA). The predictive performance of the 12-gene signature was validated with two independent gene expression microarray datasets: GSE39582 includes 566 COAD cases for the development of six molecular subtypes with distinct clinical, molecular and survival characteristics; GSE17538 is a dataset containing 232 colon cancer patients for the generation of a metastasis gene expression profile to predict recurrence and death in COAD patients...
2018: PeerJ
Chen Yang, Li Sun, Lingxin Zhang, Lixin Zhou, Dongfeng Niu, Wenfeng Cao, Zhongwu Li, Xiaozheng Huang, Qiang Kang, Lin Jia, Marina Platik, Xiuli Liu, Jinping Lai, Dengfeng Cao
Background: Special AT-rich sequence-binding protein 2 (SATB2) is a novel marker for colorectal adenocarcinomas but little is known about its expression in appendiceal adenocarcinomas. We aim to investigate SATB2 in these tumors and colorectal adenocarcinomas with comparison to CDX2. Methods: Immunohistochemical stains for SATB2 and CDX2 were performed in 49 appendiceal adenocarcinomas (23 conventional, 26 adenocarcinoma ex goblet cell carcinoids (AdexGCCs)) and 57 colorectal adenocarcinomas...
June 2018: Gastroenterology Research
Raj K Gopal, Sarah E Calvo, Angela R Shih, Frances L Chaves, Declan McGuone, Eran Mick, Kerry A Pierce, Yang Li, Andrea Garofalo, Eliezer M Van Allen, Clary B Clish, Esther Oliva, Vamsi K Mootha
Renal oncocytomas are benign tumors characterized by a marked accumulation of mitochondria. We report a combined exome, transcriptome, and metabolome analysis of these tumors. Joint analysis of the nuclear and mitochondrial (mtDNA) genomes reveals loss-of-function mtDNA mutations occurring at high variant allele fractions, consistent with positive selection, in genes encoding complex I as the most frequent genetic events. A subset of these tumors also exhibits chromosome 1 loss and/or cyclin D1 overexpression, suggesting they follow complex I loss...
June 18, 2018: Proceedings of the National Academy of Sciences of the United States of America
D Caputo, M Cartillone, C Cascone, D Pozzi, L Digiacomo, S Palchetti, G Caracciolo, R Coppola
BACKGROUND: Pancreatic ductal adenocarcinoma (PDAC) early diagnosis is  crucial  and new, cheap and user-friendly techniques for biomarker identification  are  needed. "Protein corona" (PC) is emerging a new bio-interface potentially useful in tumor early diagnosis. In a previous investigation, we showed that relevant differences between the  protein patterns of  PCs formed on lipid NPs after exposure to PDAC and non-cancer plasma  samples exist. To extend that research, We performed this pilot study to investigate the effect of PDAC tumor size and distant metastases on PC composition...
June 12, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Guan-Hui Zhou, Jun Han, Jun-Hui Sun, Yue-Lin Zhang, Tan-Yang Zhou, Chun-Hui Nie, Tong-Yin Zhu, Sheng-Qun Chen, Bao-Quan Wang, Zi-Niu Yu, Hong-Liang Wang, Li-Ming Chen, Wei-Lin Wang, Shu-Sen Zheng
BACKGROUND: This study aimed to investigate the efficacy and safety of drug eluting beads transarterial chemoembolization (DEB-TACE) treatment by CalliSpheres® in Chinese patients with hepatocellular carcinoma (HCC) as well as the predicting factors for response. METHODS: 99 patients with HCC were consecutively enrolled in this study. All participants were treated by CalliSpheres® DEB-TACE. Clinical response was evaluated according to modified Response Evaluation Criteria in Solid Tumors (mRECIST) criteria...
June 8, 2018: BMC Cancer
Cristina Müller, Patrycja Guzik, Klaudia Siwowska, Susan Cohrs, Raffaella M Schmid, Roger Schibli
Folic-acid-based radioconjugates have been developed for nuclear imaging of folate receptor (FR)-positive tumors; however, high renal uptake was unfavorable in view of a therapeutic application. Previously, it was shown that pre-injection of pemetrexed (PMX) increased the tumor-to-kidney ratio of radiofolates several-fold. In this study, PMX was combined with the currently best performing radiofolate ([177 Lu]cm13), which is outfitted with an albumin-binding entity. Biodistribution studies were carried out in mice bearing KB or IGROV-1 tumor xenografts, both FR-positive tumor types...
June 16, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Shanshan Wang, Shichang Cui, Wenming Zhao, Zhiling Qian, Hui Liu, Yuhan Chen, Fudong Lv, Hui-Guo Ding
BACKGROUND: Circular RNAs (circRNAs) play an important role in pathogenesis and development of hepatocellular carcinoma (HCC). However, circRNA expression profiles in hepatitis B Virus (HBV)-related HCC remain to be studied. METHODS: Total 13 HBV-related HCC patients were enrolled for study. Three HCC and 3 paired adjacent non-tumorous (NT) tissues from 3 patients were performed for microarray. Ten pairs of HCC tissues were used to verify the identified up-regulated and down-regulated circRNAs obtained from the microarray data by quantitative real-time reverse transcription PCR (qRT-PCR)...
May 29, 2019: Cancer Biomarkers: Section A of Disease Markers
Juan E Corral, Omar Y Mousa, Murli Krishna, Iris J M Levink, Khela R Pursell, Mohammad Afsh, Paul T Kröner, Denise M Harnois, Herbert C Wolfsen, Michael B Wallace, Frank J Lukens
BACKGROUND:  Volumetric laser endomicroscopy (VLE) provides circumferential images 3 mm into the biliary and pancreatic ducts. We aimed to correlate VLE images with the normal and abnormal microstructure of these ducts. METHODS: Samples from patients undergoing hepatic or pancreatic resection were evaluated. VLE images were collected using a low-profile VLE catheter inserted manually into the biliary and pancreatic ducts ex vivo. Histological correlation was assessed by two unblinded investigators...
June 18, 2018: Endoscopy
Xin Zhou, Zipeng Lu, Tongshan Wang, Zebo Huang, Wei Zhu, Yi Miao
The differential expression of microRNAs (miRNAs) in plasma of pancreatic cancer (PC) patients may act as a diagnostic biomarker. A four-stage study was performed to identify plasma miRNAs with potential in detecting PC. Exiqon panels (20 PC vs. 10 normal controls (NCs)) were applied in the screening phase to obtain miRNA profiling. The identified miRNAs were further assessed in the training (40 PC vs. 40 NCs) and testing stages (112 PC vs. 116 NCs) with qRT-PCR assays. A six-miRNA signature including up-regulated miR-122-5p, miR-125b-5p, miR-192-5p, miR-193b-3p, miR-221-3p and miR-27b-3p was identified...
June 15, 2018: Gene
Silvia Salerno, Elisabetta Barresi, Giorgio Amendola, Emanuela Berrino, Ciro Milite, Anna Maria Marini, Federico Da Settimo, Ettore Novellino, Claudiu T Supuran, Sandro Cosconati, Sabrina Taliani
As a part of our efforts to expand chemical diversity in the Carbonic Anhydrases Inhibitors (CAIs), three small series of polyheterocyclic compounds (4-6) featuring the primary benzenesulfonamide moiety linked to bi/tricyclic scaffolds were investigated. Highly effective inhibitors against the target tumor-associated hCA IX (low nanomolar/subnanomolar potency levels), showing significant functional selectivity profile towards hCA I, II and IV isozymes were identified. Molecular docking studies clarified the reasons behind the activity and selectivity of the new compounds...
June 18, 2018: Journal of Medicinal Chemistry
Katie Palen, Monica Thakar, Bryon D Johnson, Jill A Gershan
Adoptive cell therapy (ACT) of chimeric antigen receptor T cells has demonstrated remarkable success for the treatment of pediatric B-cell leukemia. For patients who are not candidates for chimeric antigen receptor T-cell therapy, ACT using tumor antigen-experienced polyclonal T cells may be a treatment option. Since leukemic blasts reside in the bone marrow and bone marrow is a preferred site for homeostatic proliferation of cytotoxic memory CD8 T cells, we hypothesized that bone marrow would be a source of activated T cells...
June 14, 2018: Journal of Pediatric Hematology/oncology
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