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https://www.readbyqxmd.com/read/27925198/cancer-cell-plasticity-rapid-reversal-of-chemosensitivity-and-expression-of-stemness-markers-in-lung-and-breast-cancer-tumorspheres
#1
Juan Sebastian Yakisich, Neelam Azad, Vivek Kaushik, Anand Krishnan V Iyer
In cancer cells, the reversible nature of the stemness status in terms of chemoresistance has been poorly characterized. In this study, we have simulated on cycle of environmental conditions to study such reversibility by first generating floating tumorspheres (FTs) from lung and breast cancer cells by culturing them in serum-free media without the addition of any external mitogenic stimulation, and subsequently (after two weeks) re-incubating them back in serum-containing media to simulate routine culture conditions (RCCs)...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27924164/smoking-associated-dna-methylation-markers-predict-lung-cancer-incidence
#2
Yan Zhang, Magdeldin Elgizouli, Ben Schöttker, Bernd Holleczek, Alexandra Nieters, Hermann Brenner
BACKGROUND: Newly established blood DNA methylation markers that are strongly associated with smoking might open new avenues for lung cancer (LC) screening. We aimed to assess the performance of the top hits from previous epigenome-wide association studies in prediction of LC incidence. In a prospective nested case-control study, DNA methylation at AHRR (cg05575921), 6p21.33 (cg06126421), and F2RL3 (cg03636183) were measured by pyrosequencing in baseline whole blood samples of 143 incident LC cases identified during 11 years of follow-up and 457 age- and sex-matched controls without diagnosis of LC until the end of follow-up...
2016: Clinical Epigenetics
https://www.readbyqxmd.com/read/27924058/foxo1-inhibits-the-invasion-and-metastasis-of-hepatocellular-carcinoma-by-reversing-zeb2-induced-epithelial-mesenchymal-transition
#3
Tianxiu Dong, Yu Zhang, Yaodong Chen, Pengfei Liu, Tingting An, Jiuwei Zhang, Haichao Yang, Wenjing Zhu, Xiuhua Yang
The epithelial-to-mesenchymal transition (EMT) program is critical for epithelial cell cancer progression and fibrotic diseases. FOXO1 influences a broad range of physiological and pathological processes. However, the mechanism by which FOXO1 inhibits EMT is not fully understood. In this study, we demonstrated that FOXO1 overexpression inhibited cell motility and invasiveness in vitro and inhibited lung metastasis in vivo. In addition, we found that FOXO1 couldreverse the EMT program. FOXO1 silencing by siRNA in hepatocellular carcinoma (HCC) cell lines enhanced the expression of mesenchymal markers and decreased the expression of the epithelial markers...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27923905/%C3%AE-lapachone-inhibits-lung-metastasis-of-colorectal-cancer-by-inducing-apoptosis-of-ct26-cells
#4
Ji-Ye Kee, Yo-Han Han, Jinbong Park, Dae-Seung Kim, Jeong-Geon Mun, Kwang Seok Ahn, Hyun-Jung Kim, Jae-Young Um, Seung-Heon Hong
BACKGROUND: β-Lapachone is a quinone-containing compound found in red lapacho (Tabebuia impetiginosa, syn. T avellanedae) trees. Lapacho has been used in traditional medicine by several South and Central American indigenous people to treat various types of cancer. The purpose of this study was to investigate the antimetastatic properties of β-lapachone and the underlying mechanisms using colon cancer cells. METHODS: This research used metastatic murine colon cancer cell lines, colon 26 (CT26) and colon 38 (MC38)...
December 5, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27922113/non-small-cell-lung-cancer-quantitative-phenotypic-analysis-of-ct-images-as-a-potential-marker-of-prognosis
#5
Jiangdian Song, Zaiyi Liu, Wenzhao Zhong, Yanqi Huang, Zelan Ma, Di Dong, Changhong Liang, Jie Tian
This was a retrospective study to investigate the predictive and prognostic ability of quantitative computed tomography phenotypic features in patients with non-small cell lung cancer (NSCLC). 661 patients with pathological confirmed as NSCLC were enrolled between 2007 and 2014. 592 phenotypic descriptors was automatically extracted on the pre-therapy CT images. Firstly, support vector machine (SVM) was used to evaluate the predictive value of each feature for pathology and TNM clinical stage. Secondly, Cox proportional hazards model was used to evaluate the prognostic value of these imaging signatures selected by SVM which subjected to a primary cohort of 138 patients, and an external independent validation of 61 patients...
December 6, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27919971/usefulness-of-18f-%C3%AE-methyltyrosine-pet-for-therapeutic-monitoring-of-patients-with-advanced-lung-cancer
#6
Kyoichi Kaira, Tetsuya Higuchi, Noriaki Sunaga, Yukiko Arisaka, Takeshi Hisada, Hideyuki Tominaga, Noboru Oriuchi, Takayuki Asao, Yoshihito Tsushima, Masanobu Yamada
BACKGROUND/AIM: L-[3-(18)F]-α-methyl tyrosine ((18)F-FAMT) positron emission tomography (PET) has a high specificity for detecting malignant lesions. However, the usefulness of therapeutic monitoring of (18)F-FAMT PET against advanced human neoplasms remains unclear. Here, we evaluated (18)F-FAMT PET clinical significance regarding therapy response and outcome after systemic chemotherapy in patients with advanced lung cancer, compared to (18)F-FDG PET. PATIENTS AND METHODS: All patients with untreated advanced lung cancer received (18)F-FAMT PET and (18)F-FDG PET before and 4 weeks after one cycle of chemotherapy...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919958/dietary-flavonoids-luteolin-and-quercetin-suppressed-cancer-stem-cell-properties-and-metastatic-potential-of-isolated-prostate-cancer-cells
#7
Pei-Hsun Tsai, Chia-Hsiung Cheng, Chun-Yu Lin, Ying-Tang Huang, Lung-Ta Lee, Chithan C Kandaswami, Yo-Chuen Lin, Kevin Po-Hao Lee, Chin-Chun Hung, Jiuan-Jiuan Hwang, Ferng-Chun Ke, Geen-Dong Chang, Ming-Ting Lee
A highly invasive Du145-III subline was isolated by three successive passages of the parental Du145 prostate tumor cell line (Du145-P) through a Boyden chamber with matrigel-coated membrane support. Du145-III cells showed great invasion potential based on their increased ability to spread/migrate and enhanced expression/secretion of the matrix metalloproteinase 9 (MMP9). Du145-III cells exerted vasculogenic mimicry (VM) properties, reminiscent of endothelial cell characteristics and expressed elevated levels of cancer stem cell (CSC) markers, including Nanog, Sox2, CD44 and ABCG2 and ability to self-renew...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919953/bishydroquinone-renieramycin-m-induces-apoptosis-of-human-lung-cancer-cells-through-a-mitochondria-dependent-pathway
#8
Tatchakorn Pinkhien, Arnatchai Maiuthed, Supakarn Chamni, Khanit Suwanborirux, Naoki Saito, Pithi Chanvorachote
BACKGROUND: Renieranycin M (RM), a bistetrahydro-isoquinolinequinone isolated from the Thai blue sponge, Xestospongia sp. was reported to be a potent anti-lung cancer agent. Modification at quinone ring enhanced apoptosis over necrosis. Thus, bishydroquinone renieramycin M (HQ-RM) was prepared and evaluated for apoptosis induction in lung cancer cells. METHODS: HQ-RM was examined for cytotoxicity and apoptosis induction in human lung cancer H292 cells by 3-[4,5-dimethylthiazol-2-yl]-2,5 diphenyltetrazoliumbromide and Hoechst/propidium iodide staining, respectively...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919952/molecular-factors-associated-with-pemetrexed-sensitivity-according-to-histological-type-in-non-small-cell-lung-cancer
#9
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/27916583/a-novel-marker-of-lung-cancer-risk-in-people-with-hiv
#10
Alain Makinson, Jacques Reynes
No abstract text is available yet for this article.
December 1, 2016: Lancet HIV
https://www.readbyqxmd.com/read/27914529/agglutinin-isolated-from-arisema-heterophyllum-blume-induces-apoptosis-and-autophagy-in-a549-cells-through-inhibiting-pi3k-akt-pathway-and-inducing-er-stress
#11
Li-Xing Feng, Peng Sun, Tian Mi, Miao Liu, Wang Liu, Si Yao, Yi-Min Cao, Xiao-Lu Yu, Wan-Ying Wu, Bao-Hong Jiang, Min Yang, De-An Guo, Xuan Liu
Arisaema heterophyllum Blume is one of the three medicinal plants known as traditional Chinese medicine Rhizoma Arisaematis (RA). RA has been popularly used to treat patients with convulsions, inflammation, and cancer for a long time. However, the underlying mechanisms for RA effects are still unclear. The present study was designed to determine the cytotoxicity of agglutinin isolated from Arisema heterophyllum Blume (AHA) and explore the possible mechanisms in human non-small-cell lung cancer A549 cells. AHA with purity up to 95% was isolated and purified from Arisaema heterophyllum Blume using hydrophobic interaction chromatography...
November 2016: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/27913729/qsea-modelling-of-genome-wide-dna-methylation-from-sequencing-enrichment-experiments
#12
Matthias Lienhard, Sabrina Grasse, Jana Rolff, Steffen Frese, Uwe Schirmer, Michael Becker, Stefan Börno, Bernd Timmermann, Lukas Chavez, Holger Sültmann, Gunda Leschber, Iduna Fichtner, Michal R Schweiger, Ralf Herwig
Genome-wide enrichment of methylated DNA followed by sequencing (MeDIP-seq) offers a reasonable compromise between experimental costs and genomic coverage. However, the computational analysis of these experiments is complex, and quantification of the enrichment signals in terms of absolute levels of methylation requires specific transformation. In this work, we present QSEA, Quantitative Sequence Enrichment Analysis, a comprehensive workflow for the modelling and subsequent quantification of MeDIP-seq data...
December 1, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27911863/correlation-of-long-non-coding-rna-h19-expression-with-cisplatin-resistance-and-clinical-outcome-in-lung-adenocarcinoma
#13
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/27911859/kras-exon-2-codon-13-mutation-is-associated-with-a-better-prognosis-than-codon-12-mutation-following-lung-metastasectomy-in-colorectal-cancer
#14
Stéphane Renaud, Francesco Guerrera, Joseph Seitlinger, Lorena Costardi, Mickaël Schaeffer, Benoit Romain, Claudio Mossetti, Anne Claire-Voegeli, Pier Luigi Filosso, Michèle Legrain, Enrico Ruffini, Pierre-Emmanuel Falcoz, Alberto Oliaro, Gilbert Massard
INTRODUCTION: The utilization of molecular markers as routinely used biomarkers is steadily increasing. We aimed to evaluate the potential different prognostic values of KRAS exon 2 codons 12 and 13 after lung metastasectomy in colorectal cancer (CRC). RESULTS: KRAS codon 12 mutations were observed in 116 patients (77%), whereas codon 13 mutations were observed in 34 patients (23%). KRAS codon 13 mutations were associated with both longer time to pulmonary recurrence (TTPR) (median TTPR: 78 months (95% CI: 50...
November 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/27911233/elevated-preoperative-neutrophil-to-lymphocyte-ratio-as-a-predictor-of-worse-survival-after-resection-in-patients-with-brain-metastasis
#15
Koichi Mitsuya, Yoko Nakasu, Takeshi Kurakane, Nakamasa Hayashi, Hideyuki Harada, Kazuhiko Nozaki
OBJECTIVE The median postoperative survival duration of patients with brain metastases who undergo tumor resection is 12 months. Most of these patients die of systemic metastases or the progression of primary cancer but not brain metastases. The criteria for indicating resection are still controversial. Systemic assessment is restricted, especially in patients who need emergent management for their large-size or life-threatening brain metastases. The neutrophil-to-lymphocyte ratio (NLR) is reported to correlate with survival time or progression-free survival in patients with various cancers...
December 2, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27910780/naringenin-ameliorates-doxorubicin-toxicity-and-hypoxic-condition-in-dalton-s-lymphoma-ascites-tumor-mouse-model-evidence-from-electron-paramagnetic-resonance-imaging
#16
Venkatesan Kathiresan, Swathika Subburaman, Arun Venkatesh Krishna, Mathivanan Natarajan, Gandhidasan Rathinasamy, Kumaresan Ganesan, Murugesan Ramachandran
Doxorubicin (DOX) is a well-known cytotoxic agent used extensively as a chemotherapeutic drug to eradicate a wide variety of human cancers. Reactive oxygen species (ROS)-mediated oxidative stress during DOX treatment can induce cardiac, renal, and hepatic toxicities, which can constrain its use as a potential cytotoxic agent. The present work investigates the antioxidant potential of naringenin (NAR) against DOXinduced toxicities of a Dalton's lymphoma ascites (DLA) tumor-bearing mouse model. Mice were randomized into four groups: a negative control, positive control, DOX (2...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27910075/idiopathic-pulmonary-fibrosis-are-any-of-the-morphological-molecular-markers-useful-in-clinical-management
#17
REVIEW
Francesca Lunardi, Elisabetta Balestro, Nazarena Nannini, Stefania Edith Vuljan, Federico Rea, Fiorella Calabrese
Idiopathic pulmonary fibrosis (IPF), the most common form of chronic interstitial lung disease, is a severe progressive fibrotic disorder of unknown aetiology. The disease has a heterogeneous clinical course, with frequent poor prognosis, similar to malignant disease. Correctly diagnosing IPF has become particularly important in view of the availability of more precise therapeutic indications, thus avoiding steroid treatment and allowing new approaches with novel drugs. To date we have limited information about biomarkers predictive of progressive disease and associated complications...
December 2, 2016: Histology and Histopathology
https://www.readbyqxmd.com/read/27909873/neutrophil-to-lymphocyte-ratio-associated-with-prognosis-of-lung-cancer
#18
V Bar-Ad, J Palmer, L Li, Y Lai, B Lu, R E Myers, Z Ye, R Axelrod, J M Johnson, M Werner-Wasik, S W Cowan, N R Evans, B T Hehn, C C Solomides, C Wang
PURPOSE: Many studies recently focus on complicated and expensive genomic tests, but the prognostic values of biochemical markers which are easily obtained in clinics are largely overlooked and without further exploration. This study assesses the association of neutrophil-lymphocyte-ratio (NLR) with prognosis of lung cancer patients. METHODS: In 1032 patients with histologically confirmed lung cancer, the association of pretreatment NLR values with overall survival (OS) was evaluated using a Cox proportional hazards model and the temporal relationship of longitudinal NLR was assessed using a mixed effects model...
December 1, 2016: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/27908628/biomarkers-of-the-health-outcomes-associated-with-ambient-particulate-matter-exposure
#19
Lixin Yang, Xiang-Yu Hou, Yongjie Wei, Phong Thai, Fahe Chai
Epidemiologic evidence supports the positive association of cardiopulmonary morbidity and mortality, and lung cancer risk with exposure to airborne particulate matter (PM). Oxidative stress and inflammation have been proposed to be the major causal factors involved in mediating PM effects on both cardiovascular and pulmonary health outcomes. However, the mechanism whereby PM causes the health effects is not fully elucidated. To evaluate and investigate human exposure to PM, it is essential to have a specific, sensitive and robust characterization of individual exposure to PM...
November 29, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27906420/the-effect-of-low-dosage-of-procaine-on-lung-cancer-cell-proliferation
#20
X-W Ma, Y Li, X-C Han, Q-Z Xin
OBJECTIVE: Non-small cell lung cancer (NSCLC) is the most common type of human lung cancer leading cause of cancer death worldwide. However, first-line drugs such as gefitinib and erlotinib showed great drug resistance in the clinical. MATERIALS AND METHODS: The cell proliferation was evaluated by MTT assay; gene expression was detected by qPCR assay. The protein expression was analyzed by Western blotting. RESULTS: Our results showed that in mouse models of lung cancer by A549 or NCI-H1975 xenograft, the local anesthetic drug Procaine (PCA) with 50 mg/kg specifically attenuated tumors compared with the vehicle-treated group...
November 2016: European Review for Medical and Pharmacological Sciences
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