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https://www.readbyqxmd.com/read/29456848/survival-associated-factors-of-first-line-egfr-tyrosine-kinase-inhibitor-responders-and-non-responders-in-lung-adenocarcinoma-patients-with-common-egfr-mutations
#1
Ming-Szu Hung, Yu-Hung Fang, Yu-Ching Lin, Jr-Hau Lung, Meng-Jer Hsieh, Ying-Huang Tsai
The aim of the present retrospective cohort study was to elucidate the clinical presentation of epidermal growth factor receptor (EGFR)-tyrosine kinase inhibitor (TKI) responders and non-responders in lung adenocarcinoma patients with common EGFR mutations. The cohort included 131 lung adenocarcinoma patients with common exon 19 or exon 21 EGFR mutations, who were receiving first-line EGFR-TKI therapy. The patient characteristics, treatment regimen and outcomes were recorded and analyzed. Of the 131 patients, 104 (79...
March 2018: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/29456509/curcumin-inhibits-growth-of-human-nci-h292-lung-squamous-cell-carcinoma-cells-by-increasing-foxa2-expression
#2
Lingling Tang, Jinjin Liu, Linyun Zhu, Qingge Chen, Ziyu Meng, Li Sun, Junsheng Hu, Zhenhua Ni, Xiongbiao Wang
Lung squamous cell carcinoma (LSCC) is a common histological lung cancer subtype, but unlike lung adenocarcinoma, limited therapeutic options are available for treatment. Curcumin, a natural compound, may have anticancer effects in various cancer cells, but how it may be used to treat LSCC has not been well studied. Here, we applied curcumin to a human NCI-H292 LSCC cell line to test anticancer effects and explored underlying potential mechanisms of action. Curcumin treatment inhibited NCI-H292 cell growth and increased FOXA2 expression in a time-dependent manner...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29455666/kras-oncogene-in-non-small-cell-lung-cancer-clinical-perspectives-on-the-treatment-of-an-old-target
#3
REVIEW
Marta Román, Iosune Baraibar, Inés López, Ernest Nadal, Christian Rolfo, Silvestre Vicent, Ignacio Gil-Bazo
Lung neoplasms are the leading cause of death by cancer worldwide. Non-small cell lung cancer (NSCLC) constitutes more than 80% of all lung malignancies and the majority of patients present advanced disease at onset. However, in the last decade, multiple oncogenic driver alterations have been discovered and each of them represents a potential therapeutic target. Although KRAS mutations are the most frequently oncogene aberrations in lung adenocarcinoma patients, effective therapies targeting KRAS have yet to be developed...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29455656/the-e3-ubiquitin-ligase-nedd4-mediates-cell-migration-signaling-of-egfr-in-lung-cancer-cells
#4
Genbao Shao, Ranran Wang, Aiqin Sun, Jing Wei, Ke Peng, Qian Dai, Wannian Yang, Qiong Lin
BACKGROUND: EGFR-dependent cell migration plays an important role in lung cancer progression. Our previous study observed that the HECT E3 ubiquitin ligase NEDD4 is significantly correlated with tumor metastasis and required for migration and invasion signaling of EGFR in gastric cancer cells. However, how NEDD4 promotes the EGFR-dependent lung cancer cell migration is unknown. This study is to elucidate the mechanism by which NEDD4 mediates the EGFR lung cancer migration signaling. METHODS: Lentiviral vector-loaded NEDD4 shRNA was used to deplete endogenous NEDD4 in lung cancer cell lines...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29455652/expression-regulation-and-targeting-of-receptor-tyrosine-kinases-in-esophageal-squamous-cell-carcinoma
#5
REVIEW
Manoj Kumar Kashyap, Omar Abdel-Rahman
Esophageal cancer is one of the most common types of cancer, which is a leading cause of cancer-related death worldwide. Based on histological behavior, it is mainly of two types (i) Esophageal squamous cell carcinoma (ESCC), and (ii) esophageal adenocarcinoma (EAD or EAC). In astronomically immense majority of malignancies, receptor tyrosine kinases (RTKs) have been kenned to play a consequential role in cellular proliferation, migration, and metastasis of the cells. The post-translational modifications (PTMs) including phosphorylation of tyrosine (pY) residue of the tyrosine kinase (TK) domain have been exploited for treatment in different malignancies...
February 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29455641/circadian-pathway-genetic-variation-and-cancer-risk-evidence-from-genome-wide-association-studies
#6
Simone Mocellin, Saveria Tropea, Clara Benna, Carlo Riccardo Rossi
BACKGROUND: Dysfunction of the circadian clock and single polymorphisms of some circadian genes have been linked to cancer susceptibility, although data are scarce and findings inconsistent. We aimed to investigate the association between circadian pathway genetic variation and risk of developing common cancers based on the findings of genome-wide association studies (GWASs). METHODS: Single nucleotide polymorphisms (SNPs) of 17 circadian genes reported by three GWAS meta-analyses dedicated to breast (Discovery, Biology, and Risk of Inherited Variants in Breast Cancer (DRIVE) Consortium; cases, n = 15,748; controls, n = 18,084), prostate (Elucidating Loci Involved in Prostate Cancer Susceptibility (ELLIPSE) Consortium; cases, n = 14,160; controls, n = 12,724) and lung carcinoma (Transdisciplinary Research In Cancer of the Lung (TRICL) Consortium; cases, n = 12,160; controls, n = 16,838) in patients of European ancestry were utilized to perform pathway analysis by means of the adaptive rank truncated product (ARTP) method...
February 19, 2018: BMC Medicine
https://www.readbyqxmd.com/read/29454587/comparison-of-ct-radiogenomic-and-clinical-characteristics-between-egfr-and-kras-mutations-in-lung-adenocarcinomas
#7
J Lv, H Zhang, J Ma, Y Ma, G Gao, Z Song, Y Yang
AIM: To compare computed tomography (CT) radiogenomic and clinical characteristics between patients with epidermal growth factor receptor (EGFR) and Kirsten rat sarcoma viral oncogene (KRAS) mutations in lung adenocarcinomas. MATERIALS AND METHODS: This study was a retrospective analysis of patients with histopathologically confirmed lung adenocarcinoma, who had complete clinical and imaging data, and were tested for EGFR and KRAS mutations. Of the 313 included patients, 116 had effective EGFR mutations (EGFR group), 31 had KRAS mutations (KRAS group), and 166 had no EGFR or KRAS mutations (control group)...
February 14, 2018: Clinical Radiology
https://www.readbyqxmd.com/read/29454534/sarcomatoid-carcinoma-of-the-lung-the-mayo-clinic-experience-in-127-patients
#8
Kunlatida Maneenil, Zhiqiang Xue, Ming Liu, Jennifer Boland, Fengying Wu, Shawn M Stoddard, Julian Molina, Ping Yang
BACKGROUND: Pulmonary sarcomatoid carcinoma (PSC) is an unusual form of non-small-cell lung cancer (NSCLC). Because of its rarity and heterogeneity, the treatment and prognosis of PSC have not been clearly described. METHODS AND MATERIALS: We retrospectively evaluated all patients with a diagnosis of PSC from 1997 to 2015 at the Mayo Clinic (Rochester, MN). The clinical characteristics, treatment details, and outcomes were collected. The survival rates of the PSC patients were compared with those for other subtypes of NSCLC...
December 21, 2017: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29454349/sgef-is-a-potential-prognostic-and-therapeutic-target-for-lung-adenocarcinoma
#9
Qian Chen, Xiao Lu, Quan-Xing Liu, Dong Zhou, Yuan Qiu, Ji-Gang Dai, Hong Zheng
BACKGROUND: SH3-containing guanine nucleotide exchange factor (SGEF), a RhoG-specific guanine nucleotide exchange factor (GEF), was consider as a key signal that determines cancer cell invasion. Although SGEF has been considered to highly express in glioma and prostate cancer. However, it is not well illustrated in LAC. METHODS: In this experiment, expression of SGEF was detected in 92 LAC and corresponding normal tissue samples by immunohistochemistry. In addition, we evaluated the invasion and migration of lung adenocarcinoma cells by the gain and loss of SGEF expression...
February 17, 2018: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29454261/frequency-of-somatic-tp53-mutations-in-combination-with-known-pathogenic-mutations-in-colon-adenocarcinoma-non-small-cell-lung-carcinoma-and-gliomas-as-identified-by-next-generation-sequencing
#10
Zahra Shajani-Yi, Francine B de Abreu, Jason D Peterson, Gregory J Tsongalis
The tumor suppressor gene TP53 is the most frequently mutated gene in human cancer. It encodes p53, a DNA-binding transcription factor that regulates multiple genes involved in DNA repair, metabolism, cell cycle arrest, apoptosis, and senescence. TP53 is associated with human cancer by mutations that lead to a loss of wild-type p53 function as well as mutations that confer alternate oncogenic functions that enable them to promote invasion, metastasis, proliferation, and cell survival. Identifying the discrete TP53 mutations in tumor cells may help direct therapies that are more effective...
February 13, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29453984/gata3-acetylation-at-k119-by-cbp-inhibits-cell-migration-and-invasion-in-lung-adenocarcinoma
#11
Xueying Li, Jiaqi Jin, Siyuan Yang, Weizhi Xu, Xianbin Meng, Haiteng Deng, Jun Zhan, Shan Gao, Hongquan Zhang
GATA3 is a transcriptional factor involved in the development of multiple organs. Post translational modifications of GATA3 are critical to its function. Here, we report that GATA3 interacts with and is acetylated by the acetyltransferase CBP. Class I deacetylases HDAC1, HDAC2 and HDAC3 deacetylate GATA3. The major acetylated site of GATA3 in lung adenocarcinoma cells was determined at lysine 119 (AcK119). Functionally, GATA3-acetylation mimics K119Q mutant was found to inhibit lung adenocarcinoma cell migration and invasion with concomitant downregulation of EMT-controlling transcriptional factors Slug, Zeb1 and Zeb2...
February 14, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29453963/significance-of-spread-through-air-spaces-in-resected-pathological-stage-i-lung-adenocarcinoma
#12
Gouji Toyokawa, Yuichi Yamada, Tetsuzo Tagawa, Yuka Kozuma, Taichi Matsubara, Naoki Haratake, Shinkichi Takamori, Takaki Akamine, Yoshinao Oda, Yoshihiko Maehara
BACKGROUND: Spread through air spaces (STAS) is a recently described invasive pattern of lung cancer, which spreads within air spaces beyond the edge of the main tumor. In the current study, we investigated the significance of STAS in patients with pathological stage I adenocarcinoma. METHODS: STAS was assessed in a total of 276 patients with resected pathological stage I adenocarcinoma. STAS was classified as either no STAS, low STAS (1-4 single cells or clusters of STAS), or high STAS (≥5 single cells or clusters of STAS) using a 20x objective and a 10x ocular lens...
February 14, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29453833/ketamine-induces-apoptosis-in-lung-adenocarcinoma-cells-by-regulating-the-expression-of-cd69
#13
Xuhui Zhou, Peihong Zhang, Wei Luo, Lei Zhang, Rong Hu, Yu Sun, Hong Jiang
Ketamine, an anesthetic, analgesic, or sedative, is widely used for the treatment of cancer pain. Recently, ketamine has been also reported to be tumor repressor for inhibiting proliferation, invasion, and migration, and inducing apoptosis in many cancers. However, whether ketamine can induce the apoptosis of lung adenocarcinoma (LUAD) and which downstream molecular mediates its function remain largely unknown. A LUAD cell line A549 was incubated with ketamine at 0, 1, 10, and 100 μmol/L for 24 h. Trypan blue staining was used to detect the cell viability...
February 17, 2018: Cancer Medicine
https://www.readbyqxmd.com/read/29453377/optimized-peptide-based-inhibitors-targeting-the-dihydrofolate-reductase-pathway-in-cancer
#14
Amrinder Singh, Neha Deshpande, Nilkamal Pramanik, Siddharth Jhunjhunwala, Annapoorni Rangarajan, Hanudatta S Atreya
We report the first peptide based hDHFR inhibitors designed on the basis of structural analysis of dihydrofolate reductase (DHFR). A set of peptides were rationally designed and synthesized using solid phase peptide synthesis and characterized using nuclear magnetic resonance and enzyme immunoassays. The best candidate among them, a tetrapeptide, was chosen based on molecular mechanics calculations and evaluated in human lung adenocarcinoma cell line A549. It showed a significant reduction of cell proliferation and an IC 50 of 82 µM was obtained...
February 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29453076/development-of-novel-synthesized-phthalazinone-based-parp-1-inhibitors-with-apoptosis-inducing-mechanism-in-lung-cancer
#15
Hadia Almahli, Elie Hadchity, Maiy Y Jaballah, Racha Daher, Hazem A Ghabbour, Maha M Kabil, Nasser S Al-Shakliah, Wagdy M Eldehna
Herein we report the synthesis of two series of 4-phenylphthalazin-1-ones 11a-i and 4- benzylphthalazin-1-ones 16a-h as anti-lung adenocarcinoma agents with potential inhibitory activity against PARP-1. All the newly synthesized phthalazinones were evaluated for their anti-proliferative activity against A549 lung carcinoma cell line. Phthalazinones 11c-i and 16b, c showed significant cytotoxic activity against A549 cells at different concentrations (0.1, 1 and 10 μM) for two time intervals (24 h and 48 h)...
February 7, 2018: Bioorganic Chemistry
https://www.readbyqxmd.com/read/29453000/neoadjuvant-chemoradiation-shows-no-survival-advantage-to-chemotherapy-alone-in-stage-iiia-patients
#16
Seth B Krantz, Brian Mitzman, Waseem Lutfi, Kristine Kuchta, Chi-Hsiung Wang, John A Howington, Ki Wan Kim
BACKGROUND: For operable patients with clinical stage IIIA non-small cell lung cancer, the optimum neoadjuvant treatment strategy remains unclear. Our aim was to compare perioperative and long-term outcomes for patients receiving neoadjuvant chemoradiotherapy (NCRT) versus neoadjuvant chemotherapy (NCT) alone. METHODS: We queried the National Cancer Database to identify all patients with N2 and either T1-T2 non-small cell lung cancer who received either NCRT or NCT followed by lobectomy between 2006 and 2012...
February 13, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29452959/differential-expressions-of-mdm2-and-tap73-in-cancer-and-cancer-adjacent-tissues-in-patients-with-non-small-cell-lung-carcinoma
#17
B Wang, X Liu, H Liu, J Guo, T Zhang, N Zhou, Y Ma, H Yu, L Chen, Z Ren, K Fan, X Tian
AIM: To investigate the differences in mRNA and protein expressions of MDM2 (mouse double minute 2 homolog) and P73 in cancer and cancer-adjacent tissues in patients with non-small-cell lung carcinoma (NSCLC). MATERIALS AND METHODS: We compared the protein expressions of MDM2 and P73 in lung cancer and cancer-adjacent tissues in NSCLC patients by IHC (immunohistochemistry) and WB (Western blot). We divided the NSCLC patients into two subgroups, adenocarcinoma and squamous carcinoma...
February 13, 2018: Revista Portuguesa de Pneumologia
https://www.readbyqxmd.com/read/29452091/expression-profiles-and-clinical-value-of-plasma-exosomal-tim-3-and-galectin-9-in-non-small-cell-lung-cancer
#18
Jianwei Gao, Xiangyu Qiu, Xinying Li, Hang Fan, Fang Zhang, Tangfeng Lv, Yong Song
Exosomes are membrane-bound, virus-size vesicles present in circulating blood. Tumor cells are avid producers of exosomes, which are thought to mimic molecular features of parent tumor cells. T-cell Immunoglobulin- and Mucin-domain-containing molecule 3 (Tim-3) is one of the next generation immune checkpoints and can be activated by its ligand Galectin-9, negatively regulating anti-tumor immune response. However, the characteristics of plasma exosomal Tim-3/Galectin-9 (Exo-T/G) in cancer remained unknown. Our study aimed to investigate the expression patterns and clinical value of plasma exosomal total protein (Exo-pro) and Exo-T/G in non-small cell lung caner (NSCLC)...
February 13, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29451745/detection-of-ros1-positive-non-small-cell-lung-cancer-on-cytological-specimens-using-immunocytochemistry
#19
Tatjana Vlajnic, Spasenija Savic, Audrey Barascud, Betty Baschiera, Michel Bihl, Bruno Grilli, Michelle Herzog, Julien Rebetez, Lukas Bubendorf
BACKGROUND: Rearrangements of the ROS1 oncogene are found in 1% to 2% of non-small cell lung cancers (NSCLC) and are regarded as mutually exclusive oncogenic driver mutations. Since the approval of targeted therapy for ROS1-positive NSCLC, ROS1 testing has become a part of the diagnostic routine. Fluorescence in situ hybridization (FISH), optionally selected for by immunohistochemistry on histological material, is a common practice for the detection of ROS1 rearrangements. However, NSCLC often is diagnosed by cytology alone, requiring predictive marker testing on cytological specimens...
February 16, 2018: Cancer Cytopathology
https://www.readbyqxmd.com/read/29450750/survival-impact-of-stations-of-pathological-lymph-nodes-in-n2-non-small-cell-lung-cancer-in-a-french-hospital
#20
Christelle Clément-Duchêne, Amandine Luc, Jean-Matthieu Casse, Jean-Michel Vignaud, Stéphanie Lacomme, Valentine Anne, Joëlle Siat, Olivier Ménard, Yves Martinet
BACKGROUND: The prognosis of lung cancer remains poor; only 20% of patients can undergo surgery. N2 non-small cell lung cancer (NSCLC) is a heterogeneous disease. We conducted a retrospective study to analyze the impact of N2 location on survival. METHODS: This study included 342 NSCLC with N2 involvement between 1988 and 2014. Patient-related data were collected through the CRB biobank and included demographic, therapeutic, and survival data. Survival was analyzed according to Kaplan-Maier method...
February 14, 2018: Annals of Surgical Oncology
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