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whole genome sequencing AND lung cancer

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https://www.readbyqxmd.com/read/29337640/molecular-determinants-of-response-to-anti-programmed-cell-death-pd-1-and-anti-programmed-death-ligand-pd-l-ligand-1-blockade-in-patients-with-non-small-cell-lung-cancer-profiled-with-targeted-next-generation-sequencing
#1
Hira Rizvi, Francisco Sanchez-Vega, Konnor La, Walid Chatila, Philip Jonsson, Darragh Halpenny, Andrew Plodkowski, Niamh Long, Jennifer L Sauter, Natasha Rekhtman, Travis Hollmann, Kurt A Schalper, Justin F Gainor, Ronglai Shen, Ai Ni, Kathryn C Arbour, Taha Merghoub, Jedd Wolchok, Alexandra Snyder, Jamie E Chaft, Mark G Kris, Charles M Rudin, Nicholas D Socci, Michael F Berger, Barry S Taylor, Ahmet Zehir, David B Solit, Maria E Arcila, Marc Ladanyi, Gregory J Riely, Nikolaus Schultz, Matthew D Hellmann
Purpose Treatment of advanced non-small-cell lung cancer with immune checkpoint inhibitors (ICIs) is characterized by durable responses and improved survival in a subset of patients. Clinically available tools to optimize use of ICIs and understand the molecular determinants of response are needed. Targeted next-generation sequencing (NGS) is increasingly routine, but its role in identifying predictors of response to ICIs is not known. Methods Detailed clinical annotation and response data were collected for patients with advanced non-small-cell lung cancer treated with anti-programmed death-1 or anti-programmed death-ligand 1 [anti-programmed cell death (PD)-1] therapy and profiled by targeted NGS (MSK-IMPACT; n = 240)...
January 16, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29301485/strategies-for-identification-of-somatic-variants-using-the-ion-torrent-deep-targeted-sequencing-platform
#2
Aditya Deshpande, Wenhua Lang, Tina McDowell, Smruthy Sivakumar, Jiexin Zhang, Jing Wang, F Anthony San Lucas, Jerry Fowler, Humam Kadara, Paul Scheet
BACKGROUND: 'Next-generation' (NGS) sequencing has wide application in medical genetics, including the detection of somatic variation in cancer. The Ion Torrent-based (IONT) platform is among NGS technologies employed in clinical, research and diagnostic settings. However, identifying mutations from IONT deep sequencing with high confidence has remained a challenge. We compared various computational variant-calling methods to derive a variant identification pipeline that may improve the molecular diagnostic and research utility of IONT...
January 4, 2018: BMC Bioinformatics
https://www.readbyqxmd.com/read/29279706/metachronous-and-synchronous-occurrence-of-5-primary-malignancies-in-a-female-patient-between-1997-and-2013-a-case-report-with-germline-and-somatic-genetic-analysis
#3
Jenny Nyqvist, Fredrik Persson, Toshima Z Parris, Khalil Helou, Elisabeth Kenne Sarenmalm, Zakaria Einbeigi, Åke Borg, Per Karlsson, Anikó Kovács
The number of patients with multiple primary malignancies has been increasing steadily in recent years. In the present study, we describe a unique case of an 81-year-old woman with 5 metachronous and synchronous primary malignant neoplasms. The patient was first diagnosed with an endometrium adenocarcinoma in 1997 and a colon adenocarcinoma in 2002. Eleven years after her colon surgery, in 2013, the patient presented with 3 other primary malignancies within a 4-month time span: an invasive malignant melanoma on the lower leg, an invasive mucinous breast carcinoma in the right breast, and a pleomorphic spindle cell sarcoma on the left upper arm...
September 2017: Case Reports in Oncology
https://www.readbyqxmd.com/read/29204651/whole-exome-sequencing-in-adults-with-chronic-kidney-disease-a-pilot-study
#4
Sneh Lata, Maddalena Marasa, Yifu Li, David A Fasel, Emily Groopman, Vaidehi Jobanputra, Hila Rasouly, Adele Mitrotti, Rik Westland, Miguel Verbitsky, Jordan Nestor, Lindsey M Slater, Vivette D'Agati, Marcin Zaniew, Anna Materna-Kiryluk, Francesca Lugani, Gianluca Caridi, Luca Rampoldi, Aditya Mattoo, Chad A Newton, Maya K Rao, Jai Radhakrishnan, Wooin Ahn, Pietro A Canetta, Andrew S Bomback, Gerald B Appel, Corinne Antignac, Glen S Markowitz, Christine K Garcia, Krzysztof Kiryluk, Simone Sanna-Cherchi, Ali G Gharavi
Background: The utility of whole-exome sequencing (WES) for the diagnosis and management of adult-onset constitutional disorders has not been adequately studied. Genetic diagnostics may be advantageous in adults with chronic kidney disease (CKD), in whom the cause of kidney failure often remains unknown. Objective: To study the diagnostic utility of WES in a selected referral population of adults with CKD. Design: Observational cohort. Setting: A major academic medical center...
December 5, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29185122/genomic-variations-in-the-counterpart-normal-controls-of-lung-squamous-cell-carcinomas
#5
Liwei Qu, Bo Zhou, Guizhen Wang, Guangbiao Zhou
Lung squamous cell carcinoma (LUSC) causes approximately 400 000 deaths each year worldwide. The occurrence of LUSC is attributed to exposure to cigarette smoke, which induces the development of numerous genomic abnormalities. However, few studies have investigated the genomic variations that occur only in normal tissues that have been similarly exposed to tobacco smoke as tumor tissues. In this study, we sequenced the whole genomes of three normal lung tissue samples and their paired adjacent squamous cell carcinomas...
November 28, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/29172773/an-update-on-liquid-biopsy-analysis-for-diagnostic-and-monitoring-applications-in-non-small-cell-lung-cancer
#6
Clara Mayo-de-Las-Casas, Mónica Garzón Ibáñez, Núria Jordana-Ariza, Beatriz García-Peláez, Ariadna Balada-Bel, Sergio Villatoro, Umberto Malapelle, Niki Karachaliou, Giancarlo Troncone, Rafael Rosell, Miguel Angel Molina-Vila
Collection of tumor samples is not always feasible in non-small cell lung cancer (NSCLC) patients, and circulating free DNA (cfDNA) extracted from blood represents a viable alternative. Different sensitive platforms have been developed for genetic cfDNA testing, some of which are already in clinical use. However, several difficulties remain, particularly the lack of standardization of these methodologies. Areas covered: Here, the authors present a review of the literature to update the applicability of cfDNA for diagnosis and monitoring of NSCLC patients...
November 26, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/29153840/association-of-omics-features-with-histopathology-patterns-in-lung-adenocarcinoma
#7
Kun-Hsing Yu, Gerald J Berry, Daniel L Rubin, Christopher Ré, Russ B Altman, Michael Snyder
Adenocarcinoma accounts for more than 40% of lung malignancy, and microscopic pathology evaluation is indispensable for its diagnosis. However, how histopathology findings relate to molecular abnormalities remains largely unknown. Here, we obtained H&E-stained whole-slide histopathology images, pathology reports, RNA sequencing, and proteomics data of 538 lung adenocarcinoma patients from The Cancer Genome Atlas and used these to identify molecular pathways associated with histopathology patterns. We report cell-cycle regulation and nucleotide binding pathways underpinning tumor cell dedifferentiation, and we predicted histology grade using transcriptomics and proteomics signatures (area under curve >0...
November 13, 2017: Cell Systems
https://www.readbyqxmd.com/read/29152610/mutations-in-coagulation-factor-viii-are-associated-with-more-favorable-outcome-in-patients-with-cutaneous-melanoma
#8
Zheng Ping, Abha Soni, Lance A Williams, Huy P Pham, Malay K Basu, X Long Zheng
Coagulation factor VIII (FVIII), von Willebrand factor (VWF), and ADAMTS13 play an important role in regulation of normal hemostasis. However, little is known about their roles in patients with malignancy, particularly with cutaneous melanoma. Whole genome sequencing data are available for 25,719 cases in 126 cancer genomic studies for analysis. All sequencing data and corresponding pathology findings were obtained from The Cancer Genome Atlas. The cBioportal bioinformatics tools were used for the data analysis...
July 2017: TH Open: Companion Journal to Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/29110840/immunohistochemical-and-genetic-characteristics-of-lung-cancer-mimicking-organizing-pneumonia
#9
Tomohiro Ichikawa, Koichi Saruwatari, Sachiyo Mimaki, Masato Sugano, Keiju Aokage, Motohiro Kojima, Tomoyuki Hishida, Satoshi Fujii, Junji Yoshida, Takeshi Kuwata, Atsushi Ochiai, Kenji Suzuki, Masahiro Tsuboi, Koichi Goto, Katsuya Tsuchihara, Genichiro Ishii
INTRODUCTION: Lung cancer mimicking organizing pneumonia (LCOP) is a novel radiological entity of lung adenocarcinoma that could be misdiagnosed as inflammatory lesions. However, the characteristic biological and genetic features of LCOP are not fully clarified. MATERIALS AND METHODS: We used thin-section CT images to select cases of (LCOP) among surgically resected lung adenocarcinoma patients. We compared the clinicopathological characteristics and the immunophenotypes of LCOP (n=44) and other lepidic-predominant adenocarcinomas (non-LCOP, n=56)...
November 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29054765/characterization-of-germline-mutations-in-familial-lung-cancer-from-the-chinese-population
#10
Madiha Kanwal, Xiao-Jie Ding, Zhans-Han Ma, Lian-Wei Li, Ping Wang, Ying Chen, Yun-Chao Huang, Yi Cao
Compared with numerous studies of somatic mutations using sporadic lung cancer, the research into germline mutations using familial lung cancer (FLC) is limited. In the present study, we used FLC samples obtained from the Chinese population in highly air-polluted regions to screen for novel germline mutations in lung cancer. Through a whole genome sequencing (WGS) analysis of the nine subjects (four lung cancer patients and five normal family members of FLC), we obtained a whole genome dataset of DNA alterations in FLC samples...
October 17, 2017: Gene
https://www.readbyqxmd.com/read/29045549/emerging-treatment-paradigms-in-brain-metastasis-in-non-small-cell-lung-cancer-an-overview-of-the-current-landscape-and-challenges-ahead
#11
D Ulahannan, J Khalifa, C Faivre-Finn, S M Lee
Advances in the last decade in genomic profiling and the identification of druggable targets amenable to biological agents, has transformed the management and survival of a subgroup of patients with brain metastasis in non-small cell lung cancer. In parallel, clinicians have re-evaluated the role of whole brain radiotherapy in selected patients with brain metastases to reduce neurocognitive toxicity. Continual progress in this understudied field is required: optimisation of the sequence of schedules for therapies in patients with brain metastases of differing genomic profiles, focusing on new strategies to overcome mechanisms of biological resistance and increasing drug penetrability into the central nervous system...
October 17, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29039585/identification-of-genome-variations-in-patients-with-lung-adenocarcinoma-using-whole-genome-re%C3%A2-sequencing
#12
Guiyuan Li, Yunqing Mei, Fan Yang, Shengming Yi, Lemin Wang
Lung adenocarcinoma is one of the types of non‑small cell lung carcinoma, which tends to be treated with surgical therapy rather than radiation therapy. It occurs in smokers and non‑smokers, and is the most common form of lung cancer among non‑smokers and women. Gene rearrangements, including ALK, ROS1 and RET, and gene mutations, including epidermal growth factor receptor (EGFR), HER2, Kristen rat sarcoma viral oncogene homolog, BRAF, phosphoinositide‑3‑kinase, catalytic, α polypeptide and MET, have been identified in lung adenocarcinoma, which enable targeted therapy in lung adenocarcinoma, for example erlotinib, gefitinib and afatinib, which are EGFR inhibitors...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29028887/identification-of-cancer-driver-genes-in-focal-genomic-aberrations-from-whole-exome-sequencing-data
#13
Ho Jang, Hyunju Lee
Summary: Whole-exome sequencing (WES) data have been used for identifying copy number aberrations in cancer cells. Nonetheless, the use of WES is still challenging for identification of focal aberrant regions in multiple samples that may contain cancer driver genes. In this study, we developed a wavelet-based method for identifying focal genomic aberrant regions in the WES data from cancer cells (WIFA-X). When we applied WIFA-X to glioblastoma multiforme and lung adenocarcinoma datasets, WIFA-X outperformed other approaches on identifying cancer driver genes...
September 28, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28950338/successful-targeting-of-the-nrg1-pathway-indicates-novel-treatment-strategy-for-metastatic-cancer
#14
M R Jones, H Lim, Y Shen, E Pleasance, C Ch'ng, C Reisle, S Leelakumari, C Zhao, S Yip, J Ho, E Zhong, T Ng, D Ionescu, D F Schaeffer, A J Mungall, K L Mungall, Y Zhao, R A Moore, Y Ma, S Chia, C Ho, D J Renouf, K Gelmon, S J M Jones, M A Marra, J Laskin
Background: NRG1 fusion-positive lung cancers have emerged as potentially actionable events in lung cancer but clinical support is currently limited and no evidence of efficacy of this approach in cancers beyond lung has been shown. Patients and Methods: Here we describe two patients with advanced cancers refractory to standard therapies. Patient 1 had lung adenocarcinoma and patient 2 cholangiocarcinoma. Whole-genome and transcriptome sequencing were carried out for these cases with select findings validated by fluorescence in situ hybridization...
September 18, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28894165/evolution-analysis-of-heterogeneous-non-small-cell-lung-carcinoma-by-ultra-deep-sequencing-of-the-mitochondrial-genome
#15
Wafa Amer, Csaba Toth, Erik Vassella, Jeannine Meinrath, Ulrike Koitzsch, Anne Arens, Jia Huang, Hannah Eischeid, Alexander Adam, Reinhard Buettner, Andreas Scheel, Stephan C Schaefer, Margarete Odenthal
Accurate assessment of tumour heterogeneity is an important issue that influences prognosis and therapeutic decision in molecular pathology. Due to the shortage of protective histones and a limited DNA repair capacity, the mitochondrial (mt)-genome undergoes high variability during tumour development. Therefore, screening of mt-genome represents a useful molecular tool for assessing precise cell lineages and tracking tumour history. Here, we describe a highly specific and robust multiplex PCR-based ultra-deep sequencing technology for analysis of the whole mt-genome (wmt-seq) on low quality-DNA from formalin-fixed paraffin-embedded tissues...
September 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28862803/patient-and-cell-type-specific-heterogeneity-of-metformin-response
#16
Michael K Asiedu, Matthew Barron, Marie Christine Aubry, Dennis A Wigle
Most FDA approved drugs are not equally effective in all patients, suggesting that identification of biomarkers to predict responders to a chemoprevention agent will be needed to stratify patients and achieve maximum benefit. The goal of this study was to investigate both patient-specific and cell-context-specific heterogeneity of metformin response, using fibroblast cell lines and induced pluripotent stem cells differentiated into lung epithelial lineages. We performed cell survival analysis, transcriptome and whole exome sequencing analysis on both patient-derived cell lines and cancer cell lines to assess differential metformin response and identify response genes...
September 1, 2017: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28842574/using-the-new-cellcollector-to-capture-circulating-tumor-cells-from-blood-in-different-groups-of-pulmonary-disease-a-cohort-study
#17
Yutong He, Jin Shi, Gaofeng Shi, Xiaoli Xu, Qingyi Liu, Congmin Liu, Zhaoyu Gao, Jiaoteng Bai, Baoen Shan
Circulating tumor cells (CTCs) are promising biomarkers for clinical application. Cancer screening with Low-Dose Computed Tomography (LDCT) and CTC detections in pulmonary nodule patients has never been reported. The aim of this study was to explore the effectiveness of the combined methods to screen lung cancer. Out of 8313 volunteers screened by LDCT, 32 ground-glass nodules (GGNs) patients and 19 healthy volunteers were randomly selected. Meanwhile, 15 lung cancer patients also enrolled. CellCollector, a new CTC capturing device, was applied for CTCs detection...
August 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28819847/negative-enrichment-and-isolation-of-circulating-tumor-cells-for-whole-genome-amplification
#18
Nisha Kanwar, Susan J Done
Circulating tumor cells (CTCs) are a rare population of cells found in the peripheral blood of patients with many types of cancer such as breast, prostate, colon, and lung cancers. Higher numbers of these cells in blood are associated with a poorer prognosis of patients. Genomic profiling of CTCs would help characterize markers specific for the identification of these cells in blood, and also define genomic alterations that give these cells a metastatic advantage over other cells in the primary tumor. Here, we describe an immunomagnetic method to enrich CTCs from the blood of patients with breast cancer, followed by single-cell laser capture microdissection to isolate single CTCs...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28759038/high-depth-high-accuracy-microsatellite-genotyping-enables-precision-lung-cancer-risk-classification
#19
K R Velmurugan, R T Varghese, N C Fonville, H R Garner
There remains a large discrepancy between the known genetic contributions to cancer and that which can be explained by genomic variants, both inherited and somatic. Recently, understudied repetitive DNA regions called microsatellites have been identified as genetic risk markers for a number of diseases including various cancers (breast, ovarian and brain). In this study, we demonstrate an integrated process for identifying and further evaluating microsatellite-based risk markers for lung cancer using data from the cancer genome atlas and the 1000 genomes project...
November 16, 2017: Oncogene
https://www.readbyqxmd.com/read/28668385/driving-to-cancer-on-a-four-lane-expressway
#20
Lorenzo Galluzzi, Ilio Vitale
Recent findings from a prospective clinical study involving multiregion whole-exome sequencing suggest that driver mutations in cancer-relevant genes including EGFR and TP53 are often clonal and precede whole-genome duplication events in early lung carcinogenesis. This paves an expressway to extensive subclonal diversification, elevated intratumoral heterogeneity, and dismal disease outcome.
June 28, 2017: Trends in Genetics: TIG
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