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https://www.readbyqxmd.com/read/29783093/a-direct-plasma-mirna-assay-for-early-detection-and-histological-classification-of-lung-cancer
#1
Qixin Leng, Yue Wang, Feng Jiang
Cell-free microRNAs in plasma provide circulating biomarkers for lung cancer. Most techniques for analysis of miRNAs require a large plasma volume to purify a sufficient RNA yield followed by complicated downstream processing. Small differences in the multiple procedures often cause large analytical variations and poor diagnostic values of the plasma biomarkers. Here we investigate whether directly quantifying plasma miRNAs without RNA purification could diagnose lung cancer. FirePlex assay was directly applied to 20 μl plasma of 56 lung cancer patients and 28 cancer free controls for quantifying 11 lung tumor-associated miRNAs...
May 17, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29782621/darpp-32-and-t-darpp-promote-non-small-cell-lung-cancer-growth-through-regulation-of-ikk%C3%AE-dependent-cell-migration
#2
Sk Kayum Alam, Matteo Astone, Ping Liu, Stephanie R Hall, Abbygail M Coyle, Erin N Dankert, Dane K Hoffman, Wei Zhang, Rui Kuang, Anja C Roden, Aaron S Mansfield, Luke H Hoeppner
Lung cancer is the leading cause of cancer-related death worldwide. Here we demonstrate that elevated expression of dopamine and cyclic adenosine monophosphate-regulated phosphoprotein, Mr 32000 (DARPP-32) and its truncated splice variant t-DARPP promote lung tumor growth, while abrogation of DARPP-32 expression in human non-small cell lung cancer (NSCLC) cells reduces tumor growth in orthotopic mouse models. We observe a novel physical interaction between DARPP-32 and inhibitory kappa B kinase-α (IKKα) that promotes NSCLC cell migration through non-canonical nuclear factor kappa-light-chain-enhancer of activated B cells 2 (NF-κB2) signaling...
2018: Commun Biol
https://www.readbyqxmd.com/read/29782226/microparticle-release-from-cell-lines-and-its-anti-influenza-activity
#3
Saharat Jantaratrirat, Chompunuch Boonarkart, Kanyarat Ruangrung, Ornpreya Suptawiwat, Prasert Auewarakul
Microparticles (MPs) are vesicles that are released by budding from plasma membrane of living cells. Recently, the role of MPs in antiviral activity has been proposed. We investigated quantity and anti-influenza activity of MPs from human alveolar epithelial cells A549, human bronchial epithelial cells BEAS-2B, human colon adenocarcinoma cells HT-29, and the human lung fibroblast cells MRC-5. MPs were found from all four cell lines. However, anti-influenza activity against an H1N1 influenza virus was found only from MPs of A549 and BEAS-2B...
May 21, 2018: Viral Immunology
https://www.readbyqxmd.com/read/29781194/paraneoplastic-autoimmune-encephalitis-associated-with-pleomorphic-lung-carcinoma-an-autopsy-case-report
#4
Takashi Ando, Yoji Goto, Kazuo Mano, Fumio Nomura, Masako Kurashige, Masafumi Ito, Maya Mimuro, Yasushi Iwasaki, Masahisa Katsuno, Mari Yoshida
A 64-year-old man was admitted with acute onset disturbed consciousness. Cerebrospinal fluid analysis revealed pleocytosis and elevated protein, with negative cultures and PCR. Serum antibodies for autoimmune encephalitis were also negative. Brain magnetic resonance imaging (MRI) was unremarkable, but whole-body CT scan showed a tumor in the left lower lung lobe. Bronchial brush cytology demonstrated clusters of malignant cells, and 18 F-fluorodeoxyglucose positron emission tomography showed multiple lesions and increased uptake in the lung tumor...
May 20, 2018: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29780627/a-new-approach-to-predict-lymph-node-metastasis-in-solid-lung-adenocarcinoma-a-radiomics-nomogram
#5
Xinguan Yang, Xiaohuan Pan, Hui Liu, Dashan Gao, Jianxing He, Wenhua Liang, Yubao Guan
Background: Lymph node metastasis (LNM) of lung cancer is an important factor related to survival and recurrence. The association between radiomics features of lung cancer and LNM remains unclear. We developed and validated a radiomics nomogram to predict LNM in solid lung adenocarcinoma. Methods: A total of 159 eligible patients with solid lung adenocarcinoma were divided into training (n=106) and validation cohorts (n=53). Radiomics features were extracted from venous-phase CT images...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29780256/the-utilization-of-next-generation-sequencing-to-detect-somatic-mutations-and-predict-clinical-prognosis-of-chinese-non-small-cell-lung-cancer-patients
#6
Liming Cao, Long Long, Min Li, Huaping Yang, Pengbo Deng, Xinru Mao, Jianxing Xiang, Bing Li, Tengfei Zhang, Chengping Hu
Purpose: The development of next-generation sequencing (NGS) has revolutionized the understanding of oncogenesis of multiple types of cancer, including non-small cell lung cancer (NSCLC). However, there has been some debate over the utility of NGS for predicting patient prognosis and determining molecular targeted therapy. Therefore, we sought to demonstrate the numerous applications of NGS in the prognostic predictions and treatment of NSCLC patients. Materials and methods: We performed NGS on either liquid or tissue tumor biopsies obtained from 53 NSCLC patients...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29780119/a-rare-case-of-isolated-chronic-cough-caused-by-pulmonary-lymphangitic-carcinomatosis-as-a-primary-manifestation-of-rectum-carcinoma
#7
Minami Okayama, Yoshihiro Kanemitsu, Tetsuya Oguri, Takamitsu Asano, Satoshi Fukuda, Hirotsugu Ohkubo, Masaya Takemura, Ken Maeno, Yutaka Ito, Akio Niimi
A 36-year old man was referred to our hospital due to isolated chronic cough that was refractory to anti-asthma medications, including inhaled corticosteroids/long-acting β2 agonists. Chest X-ray showed diffuse nodular and enhanced vascular shadows with Kerley lines in both lungs. A blood analysis showed elevated serum CEA and CA19-9 levels. A transbronchial biopsy revealed well to moderately differentiated adenocarcinoma, the origin of which was immunohistochemically suspected to be the gastrointestinal tract...
May 18, 2018: Internal Medicine
https://www.readbyqxmd.com/read/29777909/lncrnas-as-potential-molecular-biomarkers-for-the-clinicopathology-and-prognosis-of-glioma-a-systematic-review-and-meta-analysis
#8
REVIEW
Qian Zhou, Jing Liu, Jing Quan, Wenlan Liu, Hui Tan, Weiping Li
BACKGROUND: An increasing number of studies have shown that long noncoding RNAs (lncRNAs) play important roles in the development of glioma. However, a systematic review and meta-analysis to evaluate the clinical value of lncRNA expression in glioma patients is lacking. We performed this study to assess the relationship between the expression of various lncRNAs and the clinicopathological features, diagnosis and prognosis of glioma. MATERIALS AND METHODS: Eligible studies were identified through a comprehensive literature search...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777108/factor-xiiia-expressing-inflammatory-monocytes-promote-lung-squamous-cancer-through-fibrin-cross-linking
#9
Alessandro Porrello, Patrick L Leslie, Emily B Harrison, Balachandra K Gorentla, Sravya Kattula, Subrata K Ghosh, Salma H Azam, Alisha Holtzhausen, Yvonne L Chao, Michele C Hayward, Trent A Waugh, Sanggyu Bae, Virginia Godfrey, Scott H Randell, Cecilia Oderup, Liza Makowski, Jared Weiss, Matthew D Wilkerson, D Neil Hayes, H Shelton Earp, Albert S Baldwin, Alisa S Wolberg, Chad V Pecot
Lung cancer is the leading cause of cancer-related deaths worldwide, and lung squamous carcinomas (LUSC) represent about 30% of cases. Molecular aberrations in lung adenocarcinomas have allowed for effective targeted treatments, but corresponding therapeutic advances in LUSC have not materialized. However, immune checkpoint inhibitors in sub-populations of LUSC patients have led to exciting responses. Using computational analyses of The Cancer Genome Atlas, we identified a subset of LUSC tumors characterized by dense infiltration of inflammatory monocytes (IMs) and poor survival...
May 18, 2018: Nature Communications
https://www.readbyqxmd.com/read/29776903/prolonged-survival-with-maintenance-pemetrexed-for-a-multiple-primary-malignancy
#10
Md Shuayb, Md Salim Reza
Despite the fact that multiple primary malignancies (MPMs) are not new and have been diagnosed for about a hundred-year time, literatures on lung and colon primaries are scarce. We report a case of a 62-year-old Asian Bangladeshi man with stage IV lung adenocarcinoma who developed a metachronous stage II colon adenocarcinoma approximately 3 years later. A chemotherapy protocol of six cycles of pemetrexed/cisplatin followed by maintenance pemetrexed was used, and surgery was done for the colon primary. With more than 5 years of periodic follow-up, his disease remains stable without any local or metastatic recurrence...
May 18, 2018: BMJ Supportive & Palliative Care
https://www.readbyqxmd.com/read/29775805/new-subsolid-pulmonary-nodules-in-lung-cancer-screening-a-brief-report-of-the-nelson-trial
#11
Joan E Walter, Marjolein A Heuvelmans, Uraujh Yousaf-Khan, Monique D Dorrius, Erik Thunnissen, Anna Schermann, Harry J M Groen, Carlijn M van der Aalst, Kristiaan Nackaerts, Rozemarijn Vliegenthart, Harry J de Koning, Matthijs Oudkerk
INTRODUCTION: Low-dose computed tomography (LDCT) lung cancer screening is recommended in the United States. While new solid nodules after baseline screening have a high lung cancer probability at small size and require lower size cutoff values than baseline nodules, there only is limited evidence on management of new subsolid nodules. METHODS: Within the Dutch-Belgian randomized controlled LDCT lung cancer screening trial (NELSON), 7557 participants underwent baseline screening between April 2004 and December 2006...
May 15, 2018: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/29775598/selective-cytotoxicity-of-the-nampt-inhibitor-fk866-toward-gastric-cancer-cells-with-markers-of-the-epithelial-mesenchymal-transition-due-to-loss-of-naprt
#12
Jooyoung Lee, Hyosil Kim, Jae Eun Lee, Su-Jin Shin, Sejin Oh, Sungjin Kwon, Hakhyun Kim, Yoon Young Choi, Michael A White, Soonmyung Paik, Jae-Ho Cheong, Hyun Seok Kim
BACKGROUND & AIMS: Markers of the epithelial-mesenchymal transition (EMT) in gastric tumor tissues are associated with poor outcomes of patients. We performed a screen to identify pharmacologic compounds that kill gastric cancer cells with EMT-associated gene expression patterns and investigate their mechanisms. METHODS: We identified 29 gastric cancer cell lines with gene expression signature previously associated with an EMT subtype, based on data from RNA sequence analyses, and confirmed their mesenchymal phenotypes of 7 lines (Hs746T, SNU1750, MKN1, SK4, SNU484, SNU668, and YCC11), based in invasive activity and protein markers...
May 15, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29773717/stk11-lkb1-mutations-and-pd-1-inhibitor-resistance-in-kras-mutant-lung-adenocarcinoma
#13
Ferdinandos Skoulidis, Michael E Goldberg, Danielle M Greenawalt, Matthew D Hellmann, Mark M Awad, Justin F Gainor, Alexa B Schrock, Ryan J Hartmaier, Sally E Trabucco, Laurie Gay, Siraj M Ali, Julia A Elvin, Gaurav Singal, Jeffrey S Ross, David Fabrizio, Peter M Szabo, Han Chang, Ariella Sasson, Sujaya Srinivasan, Stefan Kirov, Joseph Szustakowski, Patrik Vitazka, Robin Edwards, Jose A Bufill, Neelesh Sharma, Sai-Hong I Ou, Nir Peled, David R Spigel, Hira Rizvi, Elizabeth Jimenez Aguilar, Brett W Carter, Jeremy Erasmus, Darragh F Halpenny, Andrew J Plodkowski, Niamh M Long, Mizuki Nishino, Warren L Denning, Ana Galan-Cobo, Haifa Hamdi, Taghreed Hirz, Pan Tong, Jing Wang, Jaime Rodriguez-Canales, Pamela A Villalobos, Edwin R Parra, Neda Kalhor, Lynette M Sholl, Jennifer L Sauter, Achim A Jungbluth, Mari Mino-Kenudson, Roxana Azimi, Yasir Y Elamin, Jianjun Zhang, Giulia C Leonardi, Fei Jiang, Kwok-Kin Wong, J Jack Lee, Vassiliki A Papadimitrakopoulou, Ignacio I Wistuba, Vincent A Miller, Garrett M Frampton, Jedd D Wolchok, Alice T Shaw, Pasi A Jänne, Philip J Stephens, Charles M Rudin, William J Geese, Lee A Albacker, John V Heymach
KRAS is the most common oncogenic driver in lung adenocarcinoma (LUAC). We previously reported that STK11/LKB1 (KL) or TP53 (KP) co-mutations define distinct subgroups of KRAS-mutant LUAC. Here, we examine the efficacy of PD-1 inhibitors in these subgroups. Objective response rates to PD-1 blockade differed significantly among KL (7.4%), KP (35.7%), and K-only (28.6%) subgroups (P<0.001) in the SU2C cohort (174 patients) with KRAS-mutant LUAC and in patients treated with nivolumab in the CheckMate-057 phase 3 trial (0% vs 57...
May 17, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29772622/-delay-in-high-grade-metastatic-prostate-cancer-progression-by-dutasteride-a-case-report
#14
Yuya Yamada, Hiroshi Fujiwara, Shinya Somiya, Shohei Fujikawa, Yuki Kamiyama, Masahiro Tamaki, Toshio Kanaoka
An 84-year-old man was referred to our hospital with swollen right cervical lymph nodes. Computed tomography showed right supraclavicular and mediastinal lymph node enlargement, and fluorodeoxyglucose positronemissiontomography showed multiple areas of abnormally increased radioactivity inthe right supraclavicular and mediastinal lymph nodes, right ninth rib, and left fifth and seventh ribs. Biopsy of the right supraclavicular lymph node revealed metastatic adenocarcinoma with partial immunohistochemical staining for prostate specific antigen (PSA)...
April 2018: Hinyokika Kiyo. Acta Urologica Japonica
https://www.readbyqxmd.com/read/29772549/long-non-coding-rna-and-polycomb-an-intricate-partnership-in-cancer-biology
#15
Cyrinne Achour, Francesca Aguilo
High-throughput analyses have revealed that the vast majority of the transcriptome does not code for proteins. These non-translated transcripts, when larger than 200 nucleotides, are termed long non-coding RNAs (lncRNAs), and play fundamental roles in diverse cellular processes. LncRNAs are subject to dynamic chemical modification, adding another layer of complexity to our understanding of the potential roles that lncRNAs play in health and disease. Many lncRNAs regulate transcriptional programs by influencing the epigenetic state through direct interactions with chromatin-modifying proteins...
June 1, 2018: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/29770847/the-investigation-of-the-survival-time-after-recurrence-in-patients-with-pancreatic-ductal-adenocarcinoma-for-individualization-of-adjuvant-chemotherapy
#16
Daisaku Yamada, Hidetoshi Eguchi, Yoshifumi Iwagami, Tadafumi Asaoka, Takehiro Noda, Koichi Kawamoto, Kunihito Gotoh, Shogo Kobayashi, Masaki Mori, Yuichiro Doki
PURPOSE: Pancreatic ductal adenocarcinoma (PDAC) is a lethal disease; however, the frequency of recurrence can be reduced if curative surgery following adjuvant chemotherapy is applied. At present, adjuvant chemotherapy is uniformly performed in all patients, as it is unclear which tumor types are controlled best or worst. We investigated patients with recurrence to establish the optimum treatment strategy. METHODS: Of 138 patients who underwent curative surgery for PDAC, 85 developed recurrence...
May 17, 2018: Surgery Today
https://www.readbyqxmd.com/read/29769567/genomic-alterations-of-ground-glass-nodular-lung-adenocarcinoma
#17
Hyun Lee, Je-Gun Joung, Hyun-Tae Shin, Duk-Hwan Kim, Yujin Kim, Hojoong Kim, O Jung Kwon, Young Mog Shim, Ho Yun Lee, Kyung Soo Lee, Yoon-La Choi, Woong-Yang Park, D Neil Hayes, Sang-Won Um
In-depth molecular pathogenesis of ground-glass nodular lung adenocarcinoma has not been well understood. The objectives of this study were to identify genomic alterations in ground-glass nodular lung adenocarcinomas and to investigate whether viral transcripts were detected in these tumors. Nine patients with pure (n = 4) and part-solid (n = 5) ground-glass nodular adenocarcinomas were included. Six were females with a median age of 58 years. We performed targeted exon sequencing and RNA sequencing...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29768255/asiatic-acid-aa-sensitizes-multidrug-resistant-human-lung-adenocarcinoma-a549-ddp-cells-to-cisplatin-ddp-via-downregulation-of-p-glycoprotein-mdr1-and-its-targets
#18
Qilai Cheng, Meixiang Liao, Haibo Hu, Hongliang Li, Longhuo Wu
BACKGROUND/AIMS: P-glycoprotein (P-gp, i.e., MDR1) is associated with the phenotype of multidrug resistance (MDR) and causes chemotherapy failure in the management of cancers. Searching for effective MDR modulators and combining them with anticancer drugs is a promising strategy against MDR. Asiatic acid (AA), a natural triterpene isolated from the plant Centella asiatica, may have an antitumor activity. The present study assessed the reversing effect of AA on MDR and possible molecular mechanisms of AA action in MDR1-overexpressing cisplatin (DDP)-resistant lung cancer cells, A549/DDP...
May 11, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29767258/pd-l1-mrna-expression-in-egfr-mutant-lung-adenocarcinoma
#19
Kazutoshi Isobe, Atsushi Kakimoto, Tetuo Mikami, Kyohei Kaburaki, Hiroshi Kobayashi, Takahiro Yoshizawa, Yuta Nakano, Takashi Makino, Hajime Otsuka, Go Sano, Keishi Sugino, Susumu Sakamoto, Yujiro Takai, Naobumi Tochigi, Akira Iyoda, Sakae Homma
Molecular mechanisms of programmed death-ligand 1 (PD-L1) mRNA expression and roles of apoptosis and biomarkers are poorly understood in epidermal growth factor receptor (EGFR)-mutant lung adenocarcinoma patients. Thirty-three patients with recurrent postoperative EGFR-mutant lung adenocarcinoma (exon 19 deletion in 16, L858R in 15, G719C in 2 patients) treated with gefitinib were studied. PD-L1 mRNA expression of formalin-fixed paraffin-embedded paratumoral and intratumoral tissues was quantified by PCR. Correlations of PD-L1 mRNA expression with BIM, p53 upregulated modular of apoptosis (PUMA), human epidermal growth factor receptor 2 (HER2), mesenchymal-epithelial transition (MET), EGFR, and vascular endothelial growth factor A (VEGFA) were determined...
May 16, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29765819/complications-in-salvage-surgery-for-nasal-and-paranasal-malignant-tumors-involving-the-skull-base
#20
Masanori Teshima, Hirotaka Shinomiya, Naoki Otsuki, Hidehito Kimura, Masaaki Taniguchi, Kazunobu Hashikawa, Eiji Kohmura, Ken-Ichi Nibu
Objective  Nasal and paranasal malignant tumors invading the skull base are rare and poorly studied. We evaluated postoperative complications in patients undergoing salvage surgery for such tumors. Design  Retrospective study. Setting  Kobe University Hospital. Participants  Among 48 patients who underwent surgery for tumors involving the skull base between 1993 and 2015, 21 patients had squamous cell carcinoma, 13 had olfactory neuroblastoma, 5 had adenocarcinoma, 2 had sarcoma, 2 had adenoid cystic carcinoma, and 1 each had malignant melanoma, poorly differentiated carcinoma, undifferentiated carcinoma, myoepithelial carcinoma, and malignant peripheral nerve sheath tumor...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
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