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https://www.readbyqxmd.com/read/27923066/somatic-genomics-and-clinical-features-of-lung-adenocarcinoma-a-retrospective-study
#1
Jianxin Shi, Xing Hua, Bin Zhu, Sarangan Ravichandran, Mingyi Wang, Cu Nguyen, Seth A Brodie, Alessandro Palleschi, Marco Alloisio, Gianluca Pariscenti, Kristine Jones, Weiyin Zhou, Aaron J Bouk, Joseph Boland, Belynda Hicks, Adam Risch, Hunter Bennett, Brian T Luke, Lei Song, Jubao Duan, Pengyuan Liu, Takashi Kohno, Qingrong Chen, Daoud Meerzaman, Crystal Marconett, Ite Laird-Offringa, Ian Mills, Neil E Caporaso, Mitchell H Gail, Angela C Pesatori, Dario Consonni, Pier Alberto Bertazzi, Stephen J Chanock, Maria Teresa Landi
BACKGROUND: Lung adenocarcinoma (LUAD) is the most common histologic subtype of lung cancer and has a high risk of distant metastasis at every disease stage. We aimed to characterize the genomic landscape of LUAD and identify mutation signatures associated with tumor progression. METHODS AND FINDINGS: We performed an integrative genomic analysis, incorporating whole exome sequencing (WES), determination of DNA copy number and DNA methylation, and transcriptome sequencing for 101 LUAD samples from the Environment And Genetics in Lung cancer Etiology (EAGLE) study...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27922699/adhesion-and-invasion-of-streptococcus-pneumoniae-to-primary-and-secondary-respiratory-epithelial-cells
#2
Sara Novick, Marilous Shagan, Karin Blau, Sarit Lifshitz, Noga Givon-Lavi, Nili Grossman, Lipa Bodner, Ron Dagan, Yaffa Mizrachi Nebenzahl
The interaction between Streptococcus pneumoniae (S. pneumoniae) and the mucosal epithelial cells of its host is a prerequisite for pneumococcal disease development, yet the specificity of this interaction between different respiratory cells is not fully understood. In the present study, three areas were examined: i) The capability of the encapsulated S. pneumoniae serotype 3 strain (WU2) to adhere to and invade primary nasal‑derived epithelial cells in comparison to primary oral‑derived epithelial cells, A549 adenocarcinoma cells and BEAS‑2B viral transformed bronchial cells; ii) the capability of the unencapsulated 3...
December 6, 2016: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27922678/a-novel-rapid-point-of-care-test-for-lung-cancer-patients-to-detect-epidermal-growth-factor-receptor-gene-mutations-by-using-real-time-droplet-pcr-and-fresh-liquid-cytology-specimens
#3
Shiho Asaka, Akihiko Yoshizawa, Kazuyuki Matsuda, Akemi Yamaguchi, Hiroshi Yamamoto, Takayuki Shiina, Rie Nakata, Kaoru Ogawa, Meng Zhang, Takayuki Honda
Epidermal growth factor receptor gene (EGFR) mutations are associated with response to tyrosine kinase inhibitors (TKIs) in patients with non-small cell lung cancer (NSCLC). We developed a novel, rapid EGFR mutation assay using a real-time droplet-polymerase chain reaction machine (EGFR d-PCR assay). The purpose of this study was to validate the performance of the EGFR d-PCR assay using fresh liquid cytology specimens. We analyzed three major EGFR mutations (L858R in exon 21, E746_A750del in exon 19 and T790M in exon 20) in 80 fresh liquid cytology specimens of adenocarcinoma (ADC) or NSCLC-not otherwise specified (NOS) via the EGFR d-PCR assay and conventional real-time PCR assay using the therascreen® EGFR RGQ PCR kit (Therascreen assay)...
December 2, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27922075/cancer-associated-fibroblasts-treated-with-cisplatin-facilitates-chemoresistance-of-lung-adenocarcinoma-through-il-11-il-11r-stat3-signaling-pathway
#4
Leilei Tao, Guichun Huang, Rui Wang, Yan Pan, Zhenyue He, Xiaoyuan Chu, Haizhu Song, Longbang Chen
Cancer-associated fibroblasts (CAF) are recognized as one of the key determinants in the malignant progression of lung adenocarcinoma. And its contributions to chemoresistance acquisition of lung cancer has raised more and more attention. In our study, cancer associated fibroblasts treated with cisplatin conferred chemoresistance to lung cancer cells. Meanwhile, Interleukin-11(IL-11) was significantly up-regulated in the CAF stimulated by cisplatin. As confirmed in lung adenocarcinoma cells in vivo and in vitro, IL-11 could protect cancer cells from cisplatin-induced apoptosis and thus promote their chemoresistance...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27922010/mek-inhibitors-block-growth-of-lung-tumours-with-mutations-in-ataxia-telangiectasia-mutated
#5
Michal Smida, Ferran Fece de la Cruz, Claudia Kerzendorfer, Iris Z Uras, Barbara Mair, Abdelghani Mazouzi, Tereza Suchankova, Tomasz Konopka, Amanda M Katz, Keren Paz, Katalin Nagy-Bojarszky, Markus K Muellner, Zsuzsanna Bago-Horvath, Eric B Haura, Joanna I Loizou, Sebastian M B Nijman
Lung cancer is the leading cause of cancer deaths, and effective treatments are urgently needed. Loss-of-function mutations in the DNA damage response kinase ATM are common in lung adenocarcinoma but directly targeting these with drugs remains challenging. Here we report that ATM loss-of-function is synthetic lethal with drugs inhibiting the central growth factor kinases MEK1/2, including the FDA-approved drug trametinib. Lung cancer cells resistant to MEK inhibition become highly sensitive upon loss of ATM both in vitro and in vivo...
December 6, 2016: Nature Communications
https://www.readbyqxmd.com/read/27920206/activation-of-d2-dopamine-receptors-in-cd133-ve-cancer-stem-cells-in-non-small-cell-lung-carcinoma-inhibits-proliferation-clonogenic-ability-and-invasiveness-of-these-cells
#6
Soumyabrata Roy, Kai Lu, Mukti Kant Nayak, Avishek Bhuniya, Tithi Ghosh, Suman Kundu, Sarbari Ghosh, Rathindranath Baral, Partha Sarathi Dasgupta, Sujit Basu
Lung carcinoma is the leading cause of cancer-related death worldwide, and among this cancer, non-small cell lung carcinoma (NSCLC) comprises the majority of cases. Furthermore, recurrence and metastasis of NSCLC correlate well with CD133+ve tumor cells, a small population of tumor cells, which has been designated as cancer stem cells (CSC). We here for the first time have demonstrated high expression of D2 dopamine (DA) receptors in CD133+ve adenocarcinoma NSCLC cells. Also, activation of D2 DA receptors in these cells significantly inhibited their proliferation, clonogenic ability and invasiveness by suppressing extracellular-signal-regulated kinases 1/2 (ERK1/2) and AKT, downregulation of octamer-binding transcription factor 4 (Oct-4) expression and matrix metalloproteinase-9 (MMP-9) secretion by these cells...
December 5, 2016: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/27919952/molecular-factors-associated-with-pemetrexed-sensitivity-according-to-histological-type-in-non-small-cell-lung-cancer
#7
Tsukihisa Yoshida, Tatsuro Okamoto, Tokujiro Yano, Kazuki Takada, Mikihiro Kohno, Kenichi Suda, Mitsuhiro Takenoyama, Yoshinao Oda, Yoshihiko Maehara
BACKGROUND: This study was designed to investigate potential molecules that predict chemosensitivity to pemetrexed (Alimta®) in surgically resected non-small cell lung cancer (NSCLC). MATERIALS AND METHODS: Chemosensitivity to ALM and other drugs was assessed by succinate dehydrogenase inhibition (SDI) test in 69 NSCLC samples (55 adenocarcinomas, and 14 squamous cell carcinomas). The mRNA expression levels of Alimta®-target enzymes [thymidylate synthase (TYMS); dihydrofolate reductase (DHFR) and glycinamide ribonucleotide formyltransferase (GARFT)], Alimta®-metabolizing enzymes [γ-glutamyl hydrase (GGH) and folylpolyglutamate synthase] and an Alimta® transporter [reduce folate carrier (RFC)] were measured and examined for potential correlations to chemosensitivity...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919939/lung-adenocarcinoma-in-never-smokers-problems-of-primary-prevention-from-aspects-of-susceptible-genes-and-carcinogens
#8
REVIEW
Isao Okazaki, Shigemi Ishikawa, Wataru Ando, Yasunori Sohara
Global statistics estimate that approximately 25% of patients with lung cancer are never smokers. We suggest that genes related to susceptibility to metabolic syndrome were present among those related to susceptibility to lung adenocarcinoma (AC) in never smokers. There are many questions concerning lung AC in never smokers, which is increasing in incidence, with female predominance, good prognosis, unique genes related to susceptibility and good response to treatment with specific agents. The purpose of this review was to investigate the carcinogenesis of lung AC in never smokers focusing on genes related to susceptibility to lung AC and carcinogens, including environmental factors...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27916828/enhancing-anticancer-effect-of-gefitinib-across-the-blood-brain-barrier-model-using-liposomes-modified-with-one-%C3%AE-helical-cell-penetrating-peptide-or-glutathione-and-tween-80
#9
Kuan-Hung Lin, Shu-Ting Hong, Hsiang-Tsui Wang, Yu-Li Lo, Anya Maan-Yuh Lin, James Chih-Hsin Yang
Epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKI), such as gefitinib, have been demonstrated to effectively treat the patients of extracranial non-small cell lung cancer (NSCLC). However, these patients often develop brain metastasis (BM) during their disease course. The major obstacle to treat BM is the limited penetration of anticancer drugs across the blood-brain barrier (BBB). In the present study, we utilized gefitinib-loaded liposomes with different modifications to improve gefitinib delivery across the in vitro BBB model of bEnd...
November 29, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27916050/-the-clinical-and-pathological-features-of-85-cases-with-positive-cerebrospinal-fluid-cytology-by-thin-layer-centrifugal-cytological-test
#10
W Gao, Z Li, L M Wang, F Lian, C C Liu, D H Lu, Y S Piao
Objective: To evaluate cytological test of cerebrospinal fluid in the diagnosis of meningeal dissemination of tumor cells. Methods: The clinical and imaging features of 85 cases with tumor cells diagnosed by thin-layer centrifugal cytological test of cerebrospinal fluid were retrospectively reviewed. The characteristics of cellular morphology and immunocytochemical staining were analyzed. Results: The main presentations of all the patinets was meningeal irritation and neurological dysfunction. The features of the brain MRI were meningeal thicking and enhancement, intracranial abnormal signals and intracranial space occupying lesion in part of the patients...
December 1, 2016: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/27914156/-intratechal-chemotherapy-treatment-through-an-ommaya-reservoir-catheter-for-meningeal-carcinomatosis-a-single-centre-experience
#11
José Pedro Lavrador, Nuno Simas, Edson Oliveira, Manuel Herculano Carvalho
INTRODUCTION: Meningeal carcinomatosis is defined as tumour cells infiltration of leptomeninges and subarachnoid space. It is normally related with poor survival (2 - 5 months). The best multidisciplinary treatment for this condition is a matter of discussion. Patient's condition and the natural history of the disease should be considered in the decision making process. MATERIAL AND METHODS: Retrospective cohort analysis of patients submitted to Ommaya Reservoir placement due to systemic solid tumour meningeal carcinomatosis between 2006 and 2014...
August 2016: Acta Médica Portuguesa
https://www.readbyqxmd.com/read/27913776/necitumumab-for-the-treatment-of-squamous-cell-non-small-cell-lung-cancer
#12
Jessica K Brinkmeyer, Donald C Moore
Non-small cell lung cancer is the most common form of lung cancer, accounting for about 85% of all cases and is further subdivided into adenocarcinoma, squamous cell, and large cell carcinoma. Necitumumab (Portrazza™, Eli Lilly and Company) is an anti-epidermal growth factor receptor monoclonal antibody approved for the first-line treatment of squamous cell non-small cell lung cancer in combination with cisplatin and gemcitabine. The safety and efficacy of necitumumab has been evaluated in two-phase III clinical trials, one demonstrating a lack of efficacy in non-squamous non-small cell lung cancer and another demonstrating improvement in overall survival and progression-free survival in squamous cell non-small cell lung cancer...
December 2, 2016: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/27912836/epidermal-growth-factor-receptor-mutated-advanced-non-small-cell-lung-cancer-a-changing-treatment-paradigm
#13
REVIEW
Suchita Pakkala, Suresh S Ramalingam
Activating mutations in the epidermal growth factor receptor (EGFR) are present in approximately 15% of US patients with lung adenocarcinoma. EGFR tyrosine kinase inhibitors are associated with high response rate and progression-free survival for patients with non-small cell lung cancer with this genotype. Gefitinib, erlotinib, and afatinib are the EGFR tyrosine kinase inhibitors that are presently in clinical use. Understanding resistance mechanisms has led to the identification of a secondary mutational target, T790M, in more than half of patients, for which osimertinib has been approved...
February 2017: Hematology/oncology Clinics of North America
https://www.readbyqxmd.com/read/27912770/endometriosis-associated-clear-cell-carcinoma-arising-in-caesarean-section-scar-a-case-report-and-review-of-the-literature
#14
Gabriella Ferrandina, Eleonora Palluzzi, Francesco Fanfani, Stefano Gentileschi, Anna Lia Valentini, Maria Vittoria Mattoli, Ilaria Pennacchia, Giovanni Scambia, Gianfranco Zannoni
BACKGROUND: Malignant transformation has been reported in approximately 1% of the endometriosis cases; herein, we report a case of clear cell endometrial carcinoma arising from endometriosis foci located within a caesarean section scar. CASE PRESENTATION: In November 2014, a Caucasian, 44-year-old woman was transferred to our institution because of severe respiratory failure due to massive lung embolism and rapid enlargement of a subcutaneous suprapubic mass. Abdomino-pelvic magnetic resonance showed a 10...
December 3, 2016: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27911863/correlation-of-long-non-coding-rna-h19-expression-with-cisplatin-resistance-and-clinical-outcome-in-lung-adenocarcinoma
#15
Qi Wang, Ningning Cheng, Xuefei Li, Hui Pan, Chunyu Li, Shengxiang Ren, Chunxia Su, Weijing Cai, Chao Zhao, Limin Zhang, Caicun Zhou
The acquired drug resistance would influence the efficacy of cisplatin-based chemotherapy in non-small-cell lung cancer. The present study aimed to investigate the correlation of long non-coding RNA (lncRNA) H19 with cisplatin-resistance and clinical outcome in lung adenocarcinoma. In our study, the expression of H19 in cisplatin-resistant A549/DDP cells was unregulated. Knockdown of H19 restored the response of A549/DDP cells to cisplatin. H19-mediated chemosensitivity enhancement was associated with metastasis, induction of G0/G1 cell-cycle arrest, cell proliferation, and increased apoptosis...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27909284/-organizing-pneumonia-with-high-radiotracer-concentration-on-fluorodeoxyglucose-positron-emission-tomography-mimicking-pleural-dissemination-of-lung-cancer-report-of-a-case
#16
Takahisa Matsuoka, Tetsu Yamada, Shinjiro Nagai, Katsunari Matsuoka, Mitsuhiro Ueda, Yoshihiro Miyamoto
A 68-year-old man was referred to our hospital because of an abnormal shadow in the chest roentgenogram. Chest computed tomography (CT) showed the nodule in the right upper lobe (S3), 17 mm in size. One month later, fluorodeoxyglucose-positron emission tomography (FDG-PET)/CT scanning revealed positive reaction in the right upper lobe lesion and new lesion close to another lobe. In addition, interloblar small nodules were detected, 5 mm and 7 mm in size. A transbronchial brush cytology by bronchoscopy was performed, and the microscopic findings demonstrated the presence of atypical cells, suspected adenocarcinoma...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27909271/-epidermal-growth-factor-receptor-mutated-advanced-lung-adenocarcinoma-with-long-term-tumor-free-survival-by-chemotherapy-followed-by-tyrosine-kinase-inhibitor-treatment-after-reduction-surgery
#17
Atsushi Morio, Kazuki Nakahara, Toshirou Futagawa, Kenji Suzuki
A 67-year-old woman was detected stage III B adenocarcinoma of the left lung, with epidermal growth factor receptor(EGFR) -mutation. Since chest computed tomography showed enlarged lymph nodes in stations 7 and 1R-4R, radiochemotherapy was recommended. However, she declined radiochemotherapy and the chemotherapy after tumor reduction surgery was chosen. She underwent resection of the left lower lobe and lingular segment, and mediastinal lymph node dissection through a posterolateral thoracotomy by extended bronchoplasty(type C) due to the extranodal invasion of lymph nodes to the lingular segmental bronchus...
December 2016: Kyobu Geka. the Japanese Journal of Thoracic Surgery
https://www.readbyqxmd.com/read/27907907/expression-analysis-and-clinical-significance-of-eif4e-vegf-c-e-cadherin-and-mmp-2-in-colorectal-adenocarcinoma
#18
Minna Gao, Xiong Zhang, Dan Li, Ping He, Wenguang Tian, Bo Zeng
The underlying mechanisms of colorectal carcinoma (CRC) metastasis remain to be elucidated. The aim of this study is to investigate clinical significance and the expression of eIF4E, VEGF-C, MMP-2, and E-cadherin in the CRC metastasis. We investigated their expressions in 108 patients, analyzed the relationships between their expressions in CRC and evaluated the relationships between their expressions and clinical pathogenic parameters. Furthermore, their roles in patient survival and in CRC metastasis were also investigated...
November 19, 2016: Oncotarget
https://www.readbyqxmd.com/read/27906963/lncrna-rmrp-acts-as-an-oncogene-in-lung-cancer
#19
Qingjun Meng, Mingming Ren, Yanguang Li, Xiang Song
Accumulating studies have demonstrated that long noncoding RNAs (lncRNAs) act a crucial role in the development of tumors. However, the role of lncRNAs in lung cancer remains largely unknown. In this study, we demonstrated that theexpression of RMRP was upregulated in lung adenocarcinoma tissues compared to the matched adjacent normal tissues. Moreover, of 35 lung adenocarcinoma samples, RMRP expression was upregulated in 25 cases (25/35; 71.4%) compared to the adjacent normal tissues. We also showed that RMRP expression was upregulated in lung adenocarcinoma cell lines (A549, SPC-A1, H1299 and H23) compared to the bronchial epithelial cell line (16HBE)...
2016: PloS One
https://www.readbyqxmd.com/read/27904773/upregulation-of-fam83d-promotes-malignant-phenotypes-of-lung-adenocarcinoma-by-regulating-cell-cycle
#20
Run Shi, Jing Sun, Qi Sun, Quanli Zhang, Wenjie Xia, Gaochao Dong, Anpeng Wang, Feng Jiang, Lin Xu
The family with sequence similarity 83, member D (FAM83D) gene is upregulated in hepatocellular carcinoma and ovarian cancer, and its overexpression has been reported to positively correlate with tumor progression. However, the clinical significance and biological function of FAM83D in lung adenocarcinoma has not been investigated. We determined the expression profile and clinical significance of FAM83D using The Cancer Genome Atlas (TCGA) and immunohistochemistry (IHC) analysis. Considerable upregulation of FAM83D was observed in LUAD tissues compared with adjacent normal tissues, and its overexpression was significantly associated with more advanced clinicopathological characteristics...
2016: American Journal of Cancer Research
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