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https://www.readbyqxmd.com/read/29748005/genomic-alterations-of-plasma-cell-free-dnas-in-small-cell-lung-cancer-and-their-clinical-relevance
#1
Meijun Du, Jonathan Thompson, Hannah Fisher, Peng Zhang, Chiang-Ching Huang, Liang Wang
OBJECTIVES: To identify genomic variations in cell-free DNA (cfDNA) and evaluate their clinical utility in small cell lung cancer (SCLC). MATERIALS AND METHODS: We performed whole genome sequencing using plasma cfDNAs derived from 24 SCLC patients for copy number variation (CNV) analysis, and targeted sequencing using 17 pairs of plasma cfDNA and their matched gDNA for mutation analysis. We defined somatic mutations by comparing cfDNA to its matched gDNA with 5% variant alleles as the cutoff for mutation calls...
June 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29742721/coexistence-of-lambert-eaton-myasthenic-syndrome-and-autoimmune-encephalitis-with-anti-crmp5-cv2-and-anti-gabab-receptor-antibodies-in-small-cell-lung-cancer-a-case-report
#2
Hongfang Li, Aimei Zhang, Yanlei Hao, Hongzhi Guan, Zhanyun Lv
RATIONALE: Autoimmune encephalitis and Lambert-Eaton myasthenic syndrome are classic paraneoplastic neurological conditions common in patients with small cell lung cancer. PATIENT CONCERNS: The patient complained of tiredness, fluctuating recent memory loss, and inability to find his home. His family members reported a change in character, irritability, and paranoia. One month later, the patient had 1 grand mal seizure lasting 5 minutes. DIAGNOSIS: The patient was diagnosed with limbic encephalitis combined with Lambert-Eaton myasthenic syndrome...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29738824/radiologic-pseudoprogression-during-anti-pd1-therapy-for-advanced-non-small-cell-lung-cancer
#3
Sharyn I Katz, Mark Hammer, Stephen Bagley, Charu Aggarwal, Joshua Bauml, Jeffrey C Thompson, Arun C Nachiappan, Charles B Simone, Corey Langer
INTRODUCTION: Anti-PD1 (programmed cell death protein 1) therapy can lead to unconventional tumor responses including radiologic pseudoprogression. Here we determine the real-world incidence of radiologic pseudoprogression in advanced non-small cell lung cancer (NSCLC) and compare radiologic response criteria for disease response assessment. METHODS: Electronic medical records of all NSCLC patients receiving anti-PD1 therapy at our institution over a 3-year period were retrospectively reviewed and patients with clinically suspected radiologic pseudoprogression identified...
May 5, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29701374/bilateral-recurrent-spontaneous-pneumothorax-as-a-late-consequence-of-oesophageal-surgery-case-report
#4
Cristina Rodrigues, Daniel Cabral, Leonor Mota, António Bettencourt
INTRODUCTION: We report a case of a patient with recurrent bilateral spontaneous pneumothorax presumably originating in a left bulla. METHODS: A 68 year old male, was admitted to the emergency department with shortness of breath and bilateral chest pain. He had had oesophageal cancer resection 2 years before, with a posterior mediastinal reconstruction using a gastric tube. Afterwards he had to be operated twice for hiatal hernia. RESULTS: Bilateral chest tubes were inserted, with complete resolution in 72 hours...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29691297/validation-of-a-plasma-based-comprehensive-cancer-genotyping-assay-utilizing-orthogonal-tissue-and-plasma-based-methodologies
#5
Justin I Odegaard, John J Vincent, Stefanie Mortimer, James V Vowles, Bryan C Ulrich, Kimberly C Banks, Stephen R Fairclough, Oliver A Zill, Marcin Sikora, Reza Mokhtari, Diana Abdueva, Rebecca J Nagy, Christine E Lee, Lesli A Kiedrowski, Cloud P Paweletz, Helmy Eltoukhy, Richard B Lanman, Darya I Chudova, AmirAli Talasaz
PURPOSE: Liquid biopsies are powerful tools that enable non-invasive genotyping of advanced solid tumors; however, comprehensive, structured validation studies employing validated orthogonal comparator methods are lacking. EXPERIMENTAL DESIGN: Analytical validation was conducted according to established principles and guidelines. Blood-to-blood clinical validation comprised blinded external comparison to clinical digital droplet PCR across 222 consecutive biomarker-positive clinical samples...
April 24, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29651367/-lazarus-response-to-olaparib-in-a-virtually-chemonaive-breast-cancer-patient-carrying-gross-brca2-gene-deletion
#6
Vladimir M Moiseyenko, Vyacheslav A Chubenko, Fedor V Moiseyenko, Lyudmila A Zagorskaya, Yuliya A Zaytseva, Nataliya E Gesha, Evgeny N Zykov, Valeriya I Ni, Elena V Preobrazhenskaya, Anna P Sokolenko, Evgeny N Imyanitov
This report describes an estrogen receptor-positive breast cancer patient, who relapsed at two and a half years after the completion of adjuvant chemotherapy while being on the aromatase inhibition. Based on the clinical evidence for potential sensitivity of the tumor to hormone ablation, everolimus was added to continuing exemestane treatment. Oral chemotherapy was administered at further disease progression, however, it lasted only for 10 days due to rapidly deteriorating condition of the patient. BRCA test was performed just before the failure of endocrine therapy and revealed a gross deletion within BRCA2 gene...
February 4, 2018: Curēus
https://www.readbyqxmd.com/read/29608934/transition-points-for-the-routine-integration-of-palliative-care-in-patients-with-advanced-cancer
#7
Anna Collins, Vijaya Sundararajan, Jodie Burchell, Jeremy Millar, Sue-Anne McLachlan, Meinir Krishnasamy, Brian H Le, Linda Mileshkin, Peter Hudson, Jennifer Philip
CONTEXT: Increasing emphases are being placed upon early integration of palliative care for patients with advanced cancers, yet barriers to implementation in clinical practice remain. Criteria to standardise referral have been endorsed, but their application are yet to be tested at the population level. OBJECTIVES: This study sought to: 1) establish the need for standardised referral by examining current end of life care outcomes of decedents with cancer; and 2) define transition points within a cancer illness course which are associated with poor prognosis, whereby palliative care should be routinely introduced to augment clinician- based decision making...
March 30, 2018: Journal of Pain and Symptom Management
https://www.readbyqxmd.com/read/29600074/presence-of-pleural-adhesions-can-predict-conversion-to-thoracotomy-and-postoperative-surgical-complications-in-patients-undergoing-video-assisted-thoracoscopic-lung-cancer-lobectomy
#8
Shuang-Jiang Li, Kun Zhou, Yan-Ming Wu, Ming-Ming Wang, Cheng Shen, Zhi-Qiang Wang, Guo-Wei Che, Lun-Xu Liu
Background: The purpose of our cohort study was to investigate the effects of pleural adhesions on perioperative outcomes in patients undergoing video-assisted thoracoscopic surgery (VATS) lobectomy for non-small-cell lung cancer (NSCLC). Methods: We performed a single-center retrospective analysis on the prospectively-maintained dataset at our unit from February 2014 to November 2015. Patients were divided into two groups (Group A: presence of pleural adhesions; Group B: absence of pleural adhesions) according to our grading system of pleural adhesions when entering the chest cavity...
January 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29593891/immune-checkpoint-inhibitors-in-small-cell-lung-cancer
#9
REVIEW
Suchita Pakkala, Taofeek K Owonikoko
Small cell lung cancer (SCLC) is a rapidly progressive cancer that often debilitates patients within months of detection and quickly becomes refractory to the limited options of therapy. While SCLC is not generally considered an immunogenic tumor, clinical experience suggests that patients with robust immune response manifesting as paraneoplastic syndrome are more likely to present with limited stage of the disease and tend to have a better prognosis. Monoclonal antibodies targeting critical negative regulators of immune response, so called immune checkpoints, such as cytotoxic T-lymphocyte-associated protein 4 (CTLA-4) and programmed death 1 (PD-1) have expanded the application of immune-based therapies to increasing number of advanced stage cancers...
February 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29544586/large-cell-carcinoma-with-adenocarcinoma-in-lung
#10
Mustafa Kupeli, Resit Dogan Koseoglu
Large cell neuroendocrine carcinoma (LCNC) is a rare and aggressive cancer accounting for 3% of all lung cancers. A small percentage of LCNC called combined LCNC, can be seen in combinations with other lung tumor types. Multimodal therapy is proposed for this type of tumor but there is no any significant therapy since it is very rare tumor. This patient was a 66-year male and a heavy smoker with no symptoms of lung disease. Computed tomography core biopsy showed suspected adenocarcinoma. Right lower lobectomy was performed with mediastinal lymph node dissection via mini thoracotomy...
March 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29535534/tspan12-is-overexpressed-in-nsclc-via-p53-inhibition-and-promotes-nsclc-cell-growth-in-vitro-and-in-vivo
#11
Zhongwu Hu, Daorong Hou, Xiaowei Wang, Zhenbing You, Xiufeng Cao
Background: Tetraspanin 12 (TSPAN12), a member of the phylogenetically ancient tetraspanin family, is linked to impaired vascularization of the eye called familial exudative vitreoretinopathy, while the functional role of TSPAN12 in lung cancer has not been well characterized. Results: In our study, TSPAN12 is able to regulate the growth of non-small-cell lung carcinoma (NSCLC) cells both in vitro and in vivo. TSPAN12 mRNA level was significantly increased in human NSCLC samples compared with their corresponding paracancerous histologic normal tissues...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29526181/-research-advances-of-pan-negative-type-of-non-small-cell-lung-cancer
#12
Li Sun, Zhicheng Xiong, Chengbo Han
In recent years, series of driver genes, such as EGFR, KRAS/NRAS, BRAF, PIK3CA, ALK and ROS1 and so on, have been found in non-small cell lung cancer (NSCLC) one after another with the development of molecular detecting technology. Targeted drugs bring benefits for these NSCLC patients with driver gene variations. However, some NSCLC did not have any known driver gene variations; we called it pan-negative lung cancer. In this paper, we summarize the concept, clinical pathological characteristics, the epidemiological characteristics, treatment and prognosis of pan-negative NSCLC...
February 20, 2018: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/29499932/in-vivo-selex-of-an-inhibitory-nsclc-specific-rna-aptamer-from-pegylated-rna-library
#13
Hanlu Wang, Yibang Zhang, Haiping Yang, Meng Qin, Xinxin Ding, Rihe Liu, Yongping Jiang
Aptamers are widely used in numerous biochemical, bioanalytical, and biological studies. Most aptamers are developed through an in vitro selection process called SELEX against either purified targets or living cells expressing targets of interest. We report here an in vivo SELEX in mice using a PEGylated RNA library for the identification of a 2'-F RNA aptamer (RA16) that specifically binds to NCI-H460 non-small-cell lung cancer cells with an affinity (KD ) of 9 ± 2 nM. Interestingly, RA16 potently inhibited cancer cell proliferation in a dose-dependent manner with an IC50 of 116...
March 2, 2018: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/29413050/exosomes-as-a-liquid-biopsy-for-lung-cancer
#14
REVIEW
Shaohua Cui, Zhuoan Cheng, Wenxin Qin, Liyan Jiang
In lung cancer and other malignancies, the so-called "liquid biopsy" is quickly moving into clinical practice. Its full potential has not yet been fully identified, but the "liquid biopsy" is no longer a promise but has become a reality that allows for better treatment selection and monitoring of lung cancer. This emerging field has significant potential to make up for the limitations of the traditional tissue-derived biomaterials. Exosomes are spherical nano-sized vesicles with a diameter of 40-100 nm and a density of 1...
February 2018: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/29397516/role-of-polymorphic-xrcc6-ku70-xrcc7-dna-pkcs-genes-towards-susceptibility-and-prognosis-of-lung-cancer-patients-undergoing-platinum-based-doublet-chemotherapy
#15
Amrita Singh, Navneet Singh, Digambar Behera, Siddharth Sharma
The DNA repair genes XRCC6 and XRCC7 formed an integral part of double strand break repair (DSBR) pathway. The two genes are thought to play an important role in the repair of lethal double strand damage on DNA. Polymorphic DSBR genes are studied to effect genomic stability. We intend to explore the association of DSBR genes i.e. XRCC6 and XRCC7 with susceptibility and survival in North Indian lung cancer patients. DNA isolation and genotyping was done for 320 controls and 330 lung cancer cases enrolled in the study...
February 3, 2018: Molecular Biology Reports
https://www.readbyqxmd.com/read/29395859/role-of-tumor-infiltrating-lymphocytes-in-patients-with-solid-tumors-can-a-drop-dig-a-stone
#16
REVIEW
Giuseppe Badalamenti, Daniele Fanale, Lorena Incorvaia, Nadia Barraco, Angela Listì, Rossella Maragliano, Bruno Vincenzi, Valentina Calò, Juan Lucio Iovanna, Viviana Bazan, Antonio Russo
In recent years, multiple strategies for eliciting anti-tumor immunity have been developed in different clinical studies. Currently, immunotherapy was clinically validated as effective treatment option for many tumors such as melanoma, non-small cell lung cancer (NSCLC) and renal cell carcinoma (RCC). Some surface receptors of immune cells, called immune checkpoint receptors, may inhibit activity of proinflammatory lymphocytes, following binding with specific ligands. Cancer cells exploit these mechanisms to inactivate tumor-infiltrating lymphocytes (TILs) to escape from immunosurveillance...
January 30, 2018: Cellular Immunology
https://www.readbyqxmd.com/read/29382922/arhgef39-promotes-tumor-progression-via-activation-of-rac1-p38-mapk-atf2-signaling-and-predicts-poor-prognosis-in-non-small-cell-lung-cancer-patients
#17
Haijing Zhou, Lin Cai, Xiupeng Zhang, Ailin Li, Yuan Miao, Qingchang Li, Xueshan Qiu, Enhua Wang
Rho guanine nucleotide exchange factor 39 (ARHGEF39), also called C9orf100, is a new member of the Dbl-family of guanine nucleotide exchange factors. Although ARHGEF39 has been proven to regulate tumor progression in hepatocellular carcinoma, the downstream signaling pathway of ARHGEF39 and its clinical associations in non-small cell lung cancer (NSCLC) are currently unknown. In the present study, using MTT, colony formation, flow cytometry, mice xenografts, wound healing, and transwell assays, we showed that ARHGEF39 promoted tumor proliferation, migration, and invasion...
January 30, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29364481/long-non-coding-rna-asap1-it1-promotes-cell-proliferation-invasion-and-metastasis-through-the-pten-akt-signaling-axis-in-non-small-cell-lung-cancer
#18
L Zhang, S-B Shi, Y Zhu, T-T Qian, H-L Wang
OBJECTIVE: To investigate the relative expression of long non-coding RNA (lncRNA) ASAP1-IT1 (hereafter called ASAP1-IT1) in tissues and cells of non-small cell lung cancer (NSCLC) patients, so as to explore the effect of ASAP1-IT1 on the biological effect of NSCLC cells. PATIENTS AND METHODS: Real-time quantitative polymerase chain reaction (qRT-PCR) was performed to detect the relative expressions of ASAP1-IT1 on tissues of 68 NSCLC patients and 5 cell lines. Besides, the interference sequence of ASAP1-IT1 was designed to detect the transfection efficiency through qRT-PCR experiment...
January 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29360965/reimplantation-of-the-upper-lobe-bronchus-after-lower-sleeve-lobectomy-or-bilobectomy-long-term-results
#19
Giulio Maurizi, Anna Maria Ciccone, Camilla Vanni, Antonio D'Andrilli, Mohsen Ibrahim, Claudio Andreetti, Cecilia Menna, Simone M Tierno, Federico Venuta, Erino A Rendina
OBJECTIVES: The advantages of a bronchial sleeve resection are well established. A clear majority of reported cases are of upper lobe sleeve resection. Reimplantation of the upper lobe bronchus after a lower sleeve lobectomy or bilobectomy (the so-called Y-sleeve resection) is infrequent. Related technical peculiarities are the main issues. We present our experience and results in this setting. METHODS: Between 1989 and 2015, we performed 28 Y-sleeve resections of the left lower lobe (n = 18) or right middle and lower lobes (n = 10)...
January 17, 2018: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/29348365/detection-and-localization-of-surgically-resectable-cancers-with-a-multi-analyte-blood-test
#20
Joshua D Cohen, Lu Li, Yuxuan Wang, Christopher Thoburn, Bahman Afsari, Ludmila Danilova, Christopher Douville, Ammar A Javed, Fay Wong, Austin Mattox, Ralph H Hruban, Christopher L Wolfgang, Michael G Goggins, Marco Dal Molin, Tian-Li Wang, Richard Roden, Alison P Klein, Janine Ptak, Lisa Dobbyn, Joy Schaefer, Natalie Silliman, Maria Popoli, Joshua T Vogelstein, James D Browne, Robert E Schoen, Randall E Brand, Jeanne Tie, Peter Gibbs, Hui-Li Wong, Aaron S Mansfield, Jin Jen, Samir M Hanash, Massimo Falconi, Peter J Allen, Shibin Zhou, Chetan Bettegowda, Luis A Diaz, Cristian Tomasetti, Kenneth W Kinzler, Bert Vogelstein, Anne Marie Lennon, Nickolas Papadopoulos
Earlier detection is key to reducing cancer deaths. Here, we describe a blood test that can detect eight common cancer types through assessment of the levels of circulating proteins and mutations in cell-free DNA. We applied this test, called CancerSEEK, to 1005 patients with nonmetastatic, clinically detected cancers of the ovary, liver, stomach, pancreas, esophagus, colorectum, lung, or breast. CancerSEEK tests were positive in a median of 70% of the eight cancer types. The sensitivities ranged from 69 to 98% for the detection of five cancer types (ovary, liver, stomach, pancreas, and esophagus) for which there are no screening tests available for average-risk individuals...
February 23, 2018: Science
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