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https://www.readbyqxmd.com/read/28433833/in-vitro-antitumor-activity-metal-uptake-and-reactivity-with-ascorbic-acid-and-bsa-of-some-gold-iii-complexes-with-n-n-ethylenediamine-bidentate-ester-ligands
#1
Nebojša Pantelić, Bojana B Zmejkovski, Branka Kolundžija, Marija Đorđić Crnogorac, Jelena M Vujić, Biljana Dojčinović, Srećko R Trifunović, Tatjana P Stanojković, Tibor J Sabo, Goran N Kaluđerović
Four novel gold(III) complexes of general formulae [AuCl2{(S,S)-R2eddl}]PF6 (R2eddl=O,O'-dialkyl-(S,S)-ethylenediamine-N,N'-di-2-(4-methyl)pentanoate, R=n-Pr, n-Bu, n-Pe, i-Bu; 1-4, respectively), were synthesized and characterized by elemental analysis, UV/Vis, IR, and NMR spectroscopy, as well as high resolution mass spectrometry. Density functional theory calculations pointed out that (R,R)-N,N'-configuration diastereoisomers were energetically the most favorable. Duo to high cytotoxic activity complex 3 was chosen for stability study in DMSO, no decomposition occurs within 24h, and for the reaction with ascorbic acid in which was reduced immediately...
April 4, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28433709/pulmonary-pathobiology-induced-by-zinc-oxide-nanoparticles-in-mice-a-24-hour-and-28-day-follow-up-study
#2
Hsiao-Chi Chuang, Kai-Jen Chuang, Jen-Kun Chen, His-En Hua, Yen-Ling Shen, Wei-Neng Liao, Chii-Hong Lee, Chih-Hong Pan, Kuan-Yuan Chen, Kang-Yun Lee, Ta-Chih Hsiao, Tsun-Jen Cheng
Inhaled zinc oxide nanoparticles (ZnONPs) have high deposition rates in the alveolar region of the lungs; however, the adverse health effects of ZnONPs on the respiratory system are unclear. Herein, pathobiological responses of the respiratory system of mice that received intratracheal administration of ZnONPs were investigated by a combination of molecular and imaging (SPECT and CT) approaches. Also, normal BEAS-2B and adenocarcinoma A549 cells were used to confirm the results in mice. First, female BALB/c mice were administrated a series of doses of 20-nm ZnONPs and were compared to the phosphate-buffered saline control for 24-h and 28-day follow-up observations...
April 19, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28433633/angiotensin-converting-enzyme-2-is-a-potential-therapeutic-target-for-egfr-mutant-lung-adenocarcinoma
#3
Miki Yamaguchi, Sachie Hirai, Toshiyuki Sumi, Yusuke Tanaka, Makoto Tada, Yukari Nishii, Tadashi Hasegawa, Hiroaki Uchida, Gen Yamada, Atsushi Watanabe, Hiroki Takahashi, Yuji Sakuma
EGFR-mutant lung adenocarcinomas contain a subpopulation of cells that have undergone epithelial-to-mesenchymal transition and can grow independently of EGFR. To kill these cancer cells, we need a novel therapeutic approach other than EGFR inhibitors. If a molecule is specifically expressed on the cell surface of such EGFR-independent EGFR-mutant cancer cells, it can be a therapeutic target. We found that a mesenchymal EGFR-independent subline derived from HCC827 cells, an EGFR-mutant lung adenocarcinoma cell line, expressed angiotensin-converting enzyme 2 (ACE2) to a greater extent than its parental cells...
April 19, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28433460/stimulatory-effect-of-desipramine-on-lung-metastases-of-adenocarcinoma-madb-106-in-stress-highly-sensitive-and-stress-non-reactive-rats
#4
Beata Grygier, Marta Kubera, Danuta Wrona, Adam Roman, Agnieszka Basta-Kaim, Piotr Gruca, Mariusz Papp, Zofia Rogoz, Monika Leskiewicz, Boguslawa Budziszewska, Magdalena Regulska, Barbara Korzeniak, Katarzyna Curzytek, Katarzyna Glombik, Joanna Slusarczyk, Michael Maes, Wladyslaw Lason
The effect of antidepressant drugs on tumor progress is very poorly recognized. The aim of the present study was to examine the effect of individual reactivity to stress and 24-day desipramine (DES) administration on the metastatic colonization of adenocarcinoma MADB 106 cells in the lungs of Wistar rats. Wistar rats were subjected to stress procedure according to the chronic mild stress (CMS) model of depression for two weeks and stress highly-sensitive (SHS) and stress non-reactive (SNR) rats were selected...
April 19, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28432617/prognostic-significance-of-histologic-subtype-in-pstage-i-lung-adenocarcinoma
#5
Nozomu Motono, Takuma Matsui, Yuichiro Machida, Katsuo Usuda, Hidetaka Uramoto
The International Association for the Study of Lung Cancer, the American Thoracic Society, and the European Respiratory Society (IASLC/ATS/ERS) proposed a new histologic classification of lung adenocarcinoma in 2011. While several studies have already validated the prognostic value of this new classification of lung adenocarcinoma, we conducted own investigation in the present study. This study included 197 patients with invasive lung adenocarcinoma who underwent complete resection. Pathologic diagnoses were made in accordance with the new IASLC/ATS/ERS classification for lung adenocarcinoma...
June 2017: Medical Oncology
https://www.readbyqxmd.com/read/28432455/dual-activation-of-toll-like-receptors-7-and-9-impairs-the-efficacy-of-antitumor-vaccines-in-murine-models-of-metastatic-breast-cancer
#6
Mariela A Moreno Ayala, María Florencia Gottardo, María Soledad Gori, Alejandro Javier Nicola Candia, Carla Caruso, Andrea De Laurentiis, Mercedes Imsen, Slobodanka Klein, Elisa Bal de Kier Joffé, Gabriela Salamone, Maria G Castro, Adriana Seilicovich, Marianela Candolfi
PURPOSE: Since combination of Toll-like receptor (TLR) ligands could boost antitumor immunity, we evaluated the efficacy of dendritic cell (DC) vaccines upon dual activation of TLR9 and TLR7 in breast cancer models. METHODS: DCs were generated from mouse bone marrow or peripheral blood from healthy human donors and stimulated with CpG1826 (mouse TLR9 agonist), CpG2006 or IMT504 (human TLR9 agonists) and R848 (TLR7 agonist). Efficacy of antitumor vaccines was evaluated in BALB/c mice bearing metastatic mammary adenocarcinomas...
April 21, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28430603/tumor-heterogeneity-assessed-by-texture-analysis-on-contrast-enhanced-ct-in-lung-adenocarcinoma-association-with-pathologic-grade
#7
Ying Liu, Shichang Liu, Fangyuan Qu, Qian Li, Runfen Cheng, Zhaoxiang Ye
Objectives To investigate whether texture features on contrast-enhanced computed tomography (CECT) images of lung adenocarcinoma have association with pathologic grade.Methods A cohort of 148 patients with surgically operated adenocarcinoma was retrospectively reviewed. Fifty-four CT features of the primary lung tumor were extracted from CECT images using open-source 3D Slicer software; meanwhile, enhancement homogeneity was evaluated by two radiologists using visual assessment. Multivariate logistic regression analysis was performed to determine significant image indicator of pathologic grade...
February 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28429795/cd200-positive-cancer-associated-fibroblasts-augment-the-sensitivity-of-epidermal-growth-factor-receptor-mutation-positive-lung-adenocarcinomas-to-egfr-tyrosine-kinase-inhibitors
#8
Masayuki Ishibashi, Shinya Neri, Hiroko Hashimoto, Tomoyuki Miyashita, Tatsuya Yoshida, Yuka Nakamura, Hibiki Udagawa, Keisuke Kirita, Shingo Matsumoto, Shigeki Umemura, Kiyotaka Yoh, Seiji Niho, Masahiro Tsuboi, Kenkichi Masutomi, Koichi Goto, Atsushi Ochiai, Genichiro Ishii
Cancer associated fibroblasts (CAFs) play important roles in the chemotherapeutic process, especially through influencing the resistance of tumor cells to molecular targeted therapy. Here we report the existence of a special subpopulation of patient-specific-CAFs that augment the sensitivity of EGFR gene mutation-positive lung cancer to the EGFR-tyrosine kinase inhibitor (EGFR-TKI), gefitinib. When cocultured with EGFR mutation positive lung cancer cells, these CAFs increased the apoptic effect of gefitinib on cancer cells, whereas, in the absence of gefitinib, they did not affect cancer cell viability...
April 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28429425/accuracy-of-cytology-in-sub-typing-non-small-cell-lung-carcinomas
#9
Trupti S Patel, Majal G Shah, Jahnavi S Gandhi, Pratik Patel
BACKGROUND: Sub typing of non small cell lung carcinoma (NSCLC) has an important task in the era of molecular and targeted therapies. Differentiating between squamous cell carcinoma (SQCC) and adenocarcinoma (ADC) is challenging when limited material is available in lung carcinoma. We investigated the accuracy and feasibility of sub typing NSCLCs in cytology and small biopsy material. METHODS: Concurrent cytology and biopsy material obtained in a single CT- guided procedure in lung carcinoma over a year period retrospectively...
April 21, 2017: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/28428908/metastatic-squamous-cell-carcinoma-of-colon-from-esophageal-cancer
#10
Natasha Garg, Constance Stoehr, Yan Shi Zhao, Heather Rojas, Chung-Tsen Hsueh
BACKGROUND: Esophageal cancer including squamous cell carcinoma (SCC) and adenocarcinoma represents 4% of all cancers in the United States. Patients with esophageal cancer frequently present with locally advanced disease, and about 40% of patients have evidence of metastatic disease on presentation. Common sites of metastasis include liver, lung and bone. Here, we present a rare case of colonic metastasis from primary esophageal SCC. CASE PRESENTATION: A 60-year-old Caucasian male with a history of 20-pack-year cigarette smoking received surgery and adjuvant chemoradiotherapy for locally advanced SCC of larynx...
2017: Experimental Hematology & Oncology
https://www.readbyqxmd.com/read/28427194/alternative-rna-splicing-of-the-meaf6-gene-facilitates-neuroendocrine-prostate-cancer-progression
#11
Ahn R Lee, Yinan Li, Ning Xie, Martin E Gleave, Michael E Cox, Colin C Collins, Xuesen Dong
Although potent androgen receptor pathway inhibitors (ARPI) improve overall survival of metastatic prostate cancer patients, treatment-induced neuroendocrine prostate cancer (t-NEPC) as a consequence of the selection pressures of ARPI is becoming a more common clinical issue. Improved understanding of the molecular biology of t-NEPC is essential for the development of new effective management approaches for t-NEPC. In this study, we identify a splice variant of the MYST/Esa1-associated factor 6 (MEAF6) gene, MEAF6-1, that is highly expressed in both t-NEPC tumor biopsies and neuroendocrine cell lines of prostate and lung cancers...
March 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427175/clinical-significance-of-cripto-1-expression-in-lung-adenocarcinoma
#12
Hua Zhang, Bin Zhang, Liuwei Gao, Lianmin Zhang, Kaikai Zhu, Runfen Cheng, Changli Wang
Cripto-1 can promote tumourigenesis and may be a potential prognostic biomarker in several malignancies, yet little is known about this protein in lung adenocarcinoma (LAC). The aim of this study was to evaluate the prognostic value of cripto-1 expression in a cohort of patients with LAC. Tumours from 290 patients with pathologically confirmed LAC were used for an immunohistochemical analysis of cripto-1 expression. The correlation between cripto-1 expression and the clinicopathological parameters of patients, EGFR-TKI sensitivity was analysed...
February 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427144/human-papillomavirus-infection-as-a-prognostic-marker-for-lung-adenocarcinoma-a-systematic-review-and-meta-analysis
#13
Lanwei Guo, Shuzheng Liu, Shaokai Zhang, Qiong Chen, Meng Zhang, Peiliang Quan, Xibin Sun
Although a number of studies have investigated the association between human papillomavirus (HPV) and lung cancer prognosis, the results remain inconsistent. We therefore conducted a meta-analysis of epidemiologic studies to address this issue. Searches of the MEDLINE and EMBASE electronic databases from their inception until June 30, 2016 yielded nine studies involving a total of 1,205 lung cancer cases that were used to conduct the meta-analysis. Study-specific risk estimates were pooled using a random-effects model...
February 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28426704/population-effect-model-identifies-gene-expression-predictors-of-survival-outcomes-in-lung-adenocarcinoma-for-both-caucasian-and-asian-patients
#14
Guoshuai Cai, Feifei Xiao, Chao Cheng, Yafang Li, Christopher I Amos, Michael L Whitfield
BACKGROUND: We analyzed and integrated transcriptome data from two large studies of lung adenocarcinomas on distinct populations. Our goal was to investigate the variable gene expression alterations between paired tumor-normal tissues and prospectively identify those alterations that can reliably predict lung disease related outcomes across populations. METHODS: We developed a mixed model that combined the paired tumor-normal RNA-seq from two populations. Alterations in gene expression common to both populations were detected and validated in two independent DNA microarray datasets...
2017: PloS One
https://www.readbyqxmd.com/read/28426338/causes-of-death-in-long-term-lung-cancer-survivors-a-seer-database-analysis
#15
Omar Abdel-Rahman
BACKGROUND: Long-term (>5 years) lung cancer survivors represent a small but distinct subgroup of lung cancer patients and information about the causes of death of this subgroup is scarce. METHODS: Surveillance, epidemiology and end results (SEER) database (1988-2008) has been utilized to determine the causes of death of long-term survivors of lung cancer. Survival analysis has been conducted through Kaplan Meier analysis and multivariate analysis has been conducted through a Cox proportional hazard model...
April 20, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/28425853/evaluation-of-the-in-vitro-chemosensitivity-and-correlation-with-clinical-outcomes-in-lung-cancer-using-the-atp-tca
#16
Zhiyao Chen, Shichao Zhang, Sheng Ma, Chang Li, Chun Xu, Yinfang Shen, Jun Zhao, Liyan Miao
BACKGROUND AND OBJECTIVE: Multiple drug resistance (MDR) to chemotherapeutic agents often leads to a failure to respond to chemotherapy. We utilized an in vitro chemosensitivity test to identify sensitive and effective chemotherapeutic drugs and further elucidated the correlation between the in vivo chemosensitivity and clinical outcomes. METHODS: Here, we evaluated the in vitro chemosensitivity and MDR of 120 lung cancer patients to eight single-drug chemotherapies and of 291 lung cancer patients to seven chemotherapy regimens using an ATP-based tumour chemosensitivity assay (ATP-TCA)...
April 19, 2017: Anti-cancer Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28424406/targeting-ccr2-with-its-antagonist-suppresses-viability-motility-and-invasion-by-downregulating-mmp-9-expression-in-non-small-cell-lung-cancer-cells
#17
Jun An, Ying Xue, Meijun Long, Ge Zhang, Junhang Zhang, Hang Su
Non-small cell lung cancer (NSCLC) is the most common type of lung cancer, which is the leading cancer killer in the world. Despite the recent advances in its diagnosis and therapy, the prognosis of NSCLC patients remains very poor, mainly due to the development of drug resistance and metastasis. Both the chemokine network and the matrix metalloproteinase (MMP) system play important roles in cancer cell metastasis. The disruption of CCL2/CCR2 chemokine signaling has been shown to suppress cancer cellviability and metastasis...
April 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423988/tumor-collision-of-uterine-adenocarcinoma-and-leiomyosarcoma-in-a-goat
#18
Jenna C Dockweiler, Brieuc Cossic, Sean P McDonough, Susan L Fubini, Kayla M Le, Callum G Donnelly, Robert O Gilbert, Soon Hon Cheong
An aged mixed-breed goat doe was presented with a 9-mo history of serosanguineous vaginal discharge. Vaginal speculum examination revealed serosanguineous discharge but otherwise no abnormalities. Transrectal ultrasonography showed normal ovaries and multifocal cystic lesions within the uterus. Ovariohysterectomy was recommended because of a strong suspicion of neoplasia. Multiple, non-resectable masses were noted in and around the uterus intraoperatively, and euthanasia was elected. Autopsy revealed multiple masses within the uterus, cervix, and lung parenchyma...
April 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28423676/tumor-associated-macrophages-promote-ezrin-phosphorylation-mediated-epithelial-mesenchymal-transition-in-lung-adenocarcinoma-through-fut4-ley-up-regulation
#19
Aman Wang, Chang Lu, Zhen Ning, Wei Gao, Yunpeng Xie, Ningning Zhang, Jinxiao Liang, Faisal S Abbasi, Qiu Yan, Jiwei Liu
Tumor-associated macrophages (TAMs) are key components of tumor microenvironment (TME) during tumorigenesis and progression. However, the role of TAMs in lung adenocarcinoma is still unclear. In this study, we aimed to clarify the mechanism underlying the crosstalk between TAMs and epithelial-mesenchymal transition (EMT) of lung adenocarcinoma. Fucosyltransferase IV (FUT4) and its synthetic cancer sugar antigen Lewis Y (LeY) was aberrantly elevated in various solid tumors, it plays critical role in the invasion and metastasis...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423619/cdca2-promotes-lung-adenocarcinoma-cell-proliferation-and-predicts-poor-survival-in-lung-adenocarcinoma-patients
#20
Run Shi, Chunrong Zhang, Yaqin Wu, Xin Wang, Qi Sun, Jing Sun, Wenjie Xia, Gaochao Dong, Anpeng Wang, Feng Jiang, Lin Xu
Cell division cycle associated 2(CDCA2) is overexpressed in neuroblastoma and oral squamous cell carcinoma, and its overexpression positively correlates to tumor progression. However, the biological and clinical significance of CDCA2 in lung adenocarcinoma(LAC) has never been investigated. We determined the expression profile and clinical significance of CDCA2 using The Cancer Genome Atlas(TCGA) and tissue microarray(TMA). Furthermore, we explored the biological function of CDCA2 both in vitro and in vivo. A great upregulation of CDCA2 was observed in LAC tissues compared with adjacent normal tissues...
March 21, 2017: Oncotarget
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