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https://www.readbyqxmd.com/read/28441828/-clinical-analysis-of-seven-cases-of-pulmonary-malignant-tumors-in-children
#1
D Xu, Z M Chen, W Z Gu, Y S Wang, M X Huang, L F Tang, Y Y Zhang, Y Jiang
Objective: To understand the clinical manifestation, imaging characteristics and outcomes of pulmonary malignant tumors in children. Method: We retrospectively collected information about seven cases of pulmonary malignant tumors in children in our hospital from Jan 2010 to Dec 2016. The information included clinical manifestation, imaging characteristics, pathologic results, and treatment. Result: (1) All the seven patients firstly visited pediatric internal medicine departments. Symptoms included cough (n=6), dyspnea (n=4), fever (n=2), anorexia (n=2), chest tightness (n=1), chest pain (n=1), lameness (n=1), abdominal distension and constipation (n=1)...
April 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28440452/bambi-overexpression-together-with-%C3%AE-sitosterol-ameliorates-nsclc-via-inhibiting-autophagy-and-inactivating-tgf-%C3%AE-smad2-3-pathway
#2
Xingchun Wang, Minjie Li, Mengyao Hu, Ping Wei, Wei Zhu
Non-small cell lung cancer (NSCLC) has the highest mortality rate among all solid tumors with a poor prognosis. The BMP and activin receptor membrane bound inhibitor (BAMBI) has been identified as a hallmark of NSCLC and β-sitosterol possesses antitumor potentiality. This study explores the effect of BAMBI overexpression and β-sitosterol in the context of NSCLC. The results revealed that the transfection of pcDNA‑BAMBI and β-sitosterol treatment significantly reduced the levels of autophagy markers light chain 3 (LC3) II and Beclin 1, whereas the levels of LC3 I and p62 were promoted...
May 2017: Oncology Reports
https://www.readbyqxmd.com/read/28440399/%C3%AE-1-antitrypsin-promotes-lung-adenocarcinoma-metastasis-through-upregulating-fibronectin-expression
#3
Yan Li, Liyun Miao, Min Yu, Minke Shi, Yongsheng Wang, Jun Yang, Yonglong Xiao, Hourong Cai
α1-antitrypsin (AAT) has been recognized to be associated with lung adenocarcinoma metastasis. However, the mechanisms by which AAT promotes tumor metastasis remain to be investigated. Herein, we first examined AAT expression in a panel of formalin-fixed paraffin-embedded tumor tissues from 88 lung adenocarcinoma patients undergoing curative resection, using immunohistochemical methods. Lung adenocarcinoma patients with high AAT expression showed a significantly shorter overall survival compared to those with low AAT expression by Kaplan-Meier method (P=0...
April 18, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28438662/never-let-it-go-stopping-key-mechanisms-underlying-metastasis-to-fight-pancreatic-cancer
#4
REVIEW
E Giovannetti, C L van der Borden, A E Frampton, A Ali, O Firuzi, G J Peters
Pancreatic ductal adenocarcinoma (PDAC) is an extremely aggressive neoplasm, predicted to become the second leading cause of cancer-related deaths before 2030. This dismal trend is mainly due to lack of effective treatments against its metastatic behavior. Therefore, a better understanding of the key mechanisms underlying metastasis should provide new opportunities for therapeutic purposes. Genomic analyses revealed that aberrations that fuel PDAC tumorigenesis and progression, such as SMAD4 loss, are also implicated in metastasis...
April 21, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28437190/consuming-a-ketogenic-diet-while-receiving-radiation-and-chemotherapy-for-locally-advanced-lung-cancer-and-pancreatic-cancer-the-university-of-iowa-experience-of-two-phase-1-clinical-trials
#5
Amir Zahra, Melissa A Fath, Emyleigh Opat, Kranti A Mapuskar, Sudershan K Bhatia, Daniel C Ma, Samuel N Rodman Iii, Travis P Snyders, Catherine A Chenard, Julie M Eichenberger-Gilmore, Kellie L Bodeker, Logan Ahmann, Brian J Smith, Sandy A Vollstedt, Heather A Brown, Taher Abu Hejleh, Gerald H Clamon, Daniel J Berg, Luke I Szweda, Douglas R Spitz, John M Buatti, Bryan G Allen
Ketogenic diets are low in carbohydrates and high in fat, which forces cells to rely more heavily upon mitochondrial oxidation of fatty acids for energy. Relative to normal cells, cancer cells are believed to exist under a condition of chronic mitochondrial oxidative stress that is compensated for by increases in glucose metabolism to generate reducing equivalents. In this study we tested the hypothesis that a ketogenic diet concurrent with radiation and chemotherapy would be clinically tolerable in locally advanced non-small cell lung cancer (NSCLC) and pancreatic cancer and could potentially exploit cancer cell oxidative metabolism to improve therapeutic outcomes...
April 24, 2017: Radiation Research
https://www.readbyqxmd.com/read/28437189/metformin-attenuates-radiation-induced-pulmonary-fibrosis-in-a-murine-model
#6
Jian Wang, Ye Wang, Jun Han, Hong Mei, Dandan Yu, Qian Ding, Tao Zhang, Gang Wu, Gang Peng, Zhenyu Lin
While radiotherapy continues to be a major cancer treatment option, its dose-limiting side effects, such as pulmonary fibrosis, severely impair the quality of life in these patients. In this study, we evaluated the radioprotective effects of metformin, a commonly used biguanide antidiabetic medication, in a murine model of pulmonary damage. Sprague Dawley(®) rats received whole lung 20 Gy irradiation with or without metformin treatment. Computed tomography (CT) was performed and Hounsfield units (HU) were determined during the observation period...
April 24, 2017: Radiation Research
https://www.readbyqxmd.com/read/28435028/antagonistic-effects-of-p53-and-hif1a-on-microrna-34a-regulation-of-ppp1r11-and-stat3-and-hypoxia-induced-epithelial-to-mesenchymal-transition-in-colorectal-cancer-cells
#7
Huihui Li, Matjaz Rokavec, Longchang Jiang, David Horst, Heiko Hermeking
BACKGROUND & AIMS: In colorectal tumors, hypoxia causes resistance to therapy and promotes metastasis. Loss of the tumor suppressor p53 (encoded by TP53) provides cancer cells with a selective advantage under conditions of hypoxia, but little is known about the mediators of this effect. METHODS: Isogenic CRC cell lines with different TP53 genotypes were placed under conditions of hypoxia. We examined the effects on levels and activity of microRNA-34 a (MIR34A) in CRC cells...
April 20, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28432274/sensitive-detection-of-viable-circulating-tumor-cells-using-a-novel-conditionally-telomerase-selective-replicating-adenovirus-in-non-small-cell-lung-cancer-patients
#8
Shinsaku Togo, Nobuyoshi Katagiri, Yukiko Namba, Miniwan Tulafu, Kumi Nagahama, Kotarou Kadoya, Kazuya Takamochi, Siaki Oh, Kenji Suzuki, Fuminori Sakurai, Hiroyuki Mizuguchi, Yasuo Urata, Kazuhisa Takahashi
Circulating tumor cells (CTCs) have a crucial role in the clinical outcome of cancer patients. Detection of non-small cell lung cancer (NSCLC) using an antibody against epithelial cell adhesion molecule (EpCAM) in captured CTCs has low sensitivity; the loss of epithelial markers leads to underestimation of CTCs with mesenchymal phenotype. We propose a new approach for detection of viable CTCs, including those with epithelial-mesenchymal transition status (EMT-CTCs), using the new telomerase-specific replication-selective adenovirus (OBP-1101), TelomeScan F35...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28431928/cisplatin-and-photodynamic-therapy-exert-synergistic-inhibitory-effects-on-small-cell-lung-cancer-cell-viability-and-xenograft-tumor-growth
#9
You-Shuang Chen, Yin-Bo Peng, Min Yao, Ji-Ping Teng, Da Ni, Zhi-Jun Zhu, Bu-Feng Zhuang, Zhi-Yin Yang
Lung cancer is the leading cause of cancer death worldwide. Small-cell lung cancer (SCLC) is an aggressive type of lung cancer that shows an overall 5-year survival rate below 10%. Although chemotherapy using cisplatin has been proven effective in SCLC treatment, conventional dose of cisplatin causes adverse side effects. Photodynamic therapy, a form of non-ionizing radiation therapy, is increasingly used alone or in combination with other therapeutics in cancer treatment. Herein, we aimed to address whether low dose cisplatin combination with PDT can effectively induce SCLC cell death by using in vitro cultured human SCLC NCI-H446 cells and in vivo tumor xenograft model...
April 18, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28431562/effects-of-the-common-polymorphism-in-the-human-aldehyde-dehydrogenase-2-aldh2-gene-on-the-lung
#10
Aoi Kuroda, Ahmed E Hegab, Gao Jingtao, Shuji Yamashita, Nobuyuki Hizawa, Tohru Sakamoto, Hideyasu Yamada, Satoshi Suzuki, Makoto Ishii, Ho Namkoong, Takanori Asakura, Mari Ozaki, Hiroyuki Yasuda, Junko Hamamoto, Shizuko Kagawa, Kenzo Soejima, Tomoko Betsuyaku
BACKGROUND: Aldehyde dehydrogenases (ALDHs) play a major role in detoxification of aldehydes. High expression of ALDHs is a marker for stem cells of many organs including the lungs. A common polymorphism in ALDH2 gene (ALDH2*2) results in inactivation of the enzyme and is associated with alcohol flushing syndrome and increased risk for cardiovascular and Alzheimer's diseases and some cancers. The effect of this ALDH2 polymorphism on the lung and its stem cells has not been thoroughly examined...
April 21, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28431267/mir-19-targeting-of-gsk3%C3%AE-mediates-sulforaphane-suppression-of-lung-cancer-stem-cells
#11
Jianyun Zhu, Shijia Wang, Yue Chen, Xiaoting Li, Ye Jiang, Xue Yang, Yuan Li, Xiaoqian Wang, Yu Meng, Mingming Zhu, Xiao Ma, Cong Huang, Rui Wu, Chunfeng Xie, Shanshan Geng, Jieshu Wu, Caiyun Zhong, Hongyu Han
Cancer stem cells (CSCs) play a central role in the development of cancer. The canonical Wnt/β-catenin pathway is critical for maintaining stemness of CSCs. Phytochemicals from dietary compounds possess anti-CSCs properties and have been characterized as promising therapeutic agents for the prevention and treatment of many cancers. To date, the involvement and function of miR-19, a key oncogenic miRNA, in regulating Wnt/β-catenin pathway and lung CSCs has not been defined. Meanwhile, the effect of sulforaphane (SFN) on lung CSCs also remains to be elucidated...
April 5, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28429357/inhibition-of-pulmonary-carcinoma-proliferation-or-metastasis-of-mir-218-via-down-regulating-cdcp1-expression
#12
X-J Zeng, Y-H Wu, M Luo, P-G Cong, H Yu
OBJECTIVE: Pulmonary carcinoma is one common malignant tumor with a high risk of recurrence and metastasis. Non-small cell lung cancer (NSCLC) is the most common subtype. As one tumor biomarker, microRNA (miR) has tissue sensitivity and can facilitate oncogene or inhibit tumor suppressor gene. MiR-218 has abnormal expression and can work as one molecular marker for tumors. However, its expression and function mechanism in lung cancer cells have not been fully illustrated. MATERIALS AND METHODS: In vitro cultured pulmonary adenoma A549 cells and normal bronchial epithelial cell line 16HBE were tested for miR-218 expression...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28429102/improved-systemic-treatment-for-early-breast-cancer-improves-cure-rates-modifies-metastatic-pattern-and-shortens-post-metastatic-survival-35-year-results-from-the-munich-cancer-registry
#13
Dieter Hölzel, Renate Eckel, Ingo Bauerfeind, Bernd Baier, Thomas Beck, Michael Braun, Johannes Ettl, Ulrich Hamann, Marion Kiechle, Sven Mahner, Christian Schindlbeck, Johann de Waal, Nadia Harbeck, Jutta Engel
PURPOSE: Systemic therapies (ATHs) in early breast cancer have improved the survival of breast cancer (BC) patients in recent decades. The magnitude of the changes in overall, metastasis-free (MFS) and post-metastatic (PMS) survival and in the metastasis (MET) pattern will be described. PATIENT AND METHODS: We analysed 60,227 patients with a diagnosis of T-N-M0 BC between 1978 and 2013 and 11,983 patients with metastases (MET) in the Munich Cancer Registry. Patients will be divided into four time periods to identify relationships between BC and METs...
April 20, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28427243/usp22-drives-colorectal-cancer-invasion-and-metastasis-via-epithelial-mesenchymal-transition-by-activating-ap4
#14
Yongmin Li, Yanmei Yang, Jingwen Li, He Liu, Fuxun Chen, Bingyang Li, Binbin Cui, Yanlong Liu
Ubiquitin specific peptidase 22 (USP22), a putative cancer stem cell marker, is overexpressed in liver metastases of colorectal cancer (CRC). However, the mechanism by which USP22 promotes CRC metastasis remains largely unknown. Here, we report that USP22 and AP4 are simultaneously overexpressed during TGF-β1-induced CRC cell epithelial-mesenchymal transition (EMT). USP22 up-regulation enhances CRC cell migration and invasion and EMT-related marker and AP4 expression, but these effects are partly blocked by AP4 knockdown...
March 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28427144/human-papillomavirus-infection-as-a-prognostic-marker-for-lung-adenocarcinoma-a-systematic-review-and-meta-analysis
#15
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/28426124/propofol-suppresses-lps-induced-nuclear-accumulation-of-hif-1%C3%AE-and-tumor-aggressiveness-in-non-small-cell-lung-cancer
#16
Nengli Yang, Yafeng Liang, Pei Yang, Fuhai Ji
Tumor hypoxia has been recognized as a characteristic of the tumor microenvironment and promotes metastasis in a variety of types of cancer. However, in lung cancer, the role of hypoxia-inducible factor 1α (HIF-1α) in modulating the cellular response to the inflammation-related microenvironment remains unclear. In the present study, enhanced expression of HIF-1α accompanied by an increased ROS level was observed in lipopolysaccharide (LPS)-stimulated non-small cell lung cancer (NSCLC) cells. In addition, propofol, a general anesthetic, was found to significantly reduce the LPS-induced upregulation of HIF-1α and ROS in a dose-dependent manner...
March 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28425640/profiling-of-the-silica-induced-molecular-events-in-lung-epithelial-cells-using-the-rna-seq-approach
#17
Judy Y W Chan, Joseph C C Tsui, Patrick T W Law, Winnie K W So, Doris Y P Leung, Michael M K Sham, Stephen K W Tsui, Carmen W H Chan
Silicosis is a prolonged, irreversible and incurable occupational disease, and there is a significant number of newly diagnosed cases every year in Hong Kong. Due to the long latency of the disease, the diagnosis can be missed until detailed clinical examination at a later stage. For a better control of this deadly disease, detailing the pro-inflammatory and fibrotic events in the macrophage would be instrumental in understanding the pathogenesis of the disease and essential for the significant biomarkers discovery...
April 20, 2017: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/28422717/c3orf21-ablation-promotes-the-proliferation-of-lung-adenocarcinoma-and-its-mutation-at-the-rs2131877-locus-may-serve-as-a-susceptibility-marker
#18
Litao Yang, Ying Wang, Meiyu Fang, Douhou Deng, Yongjun Zhang
In this study, we investigated the role of C3orf21 gene polymorphism at the rs2131877 locus and its contribution to lung adenocarcinoma pathogenesis. Normal lung and tumor tissue sections were collected from fifteen patients with lung adenocarcinoma for chromosome 3 open reading frame 21 (C3orf21) genotype analysis. In addition, a retrospective analysis was performed to assess the association between C3orf21 genotype and tumor markers from patient samples used in our previously published study. In parallel, we also manipulated C3orf21 gene expression either by overexpressing or ablating it in a MSTO-211H human lung cancer cell line to further understand its contribution to cell proliferation, apoptosis and migration...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421449/flow-cytometric-analysis-of-the-ercc1-marker-of-dna-damage-repair-in-the-tumor-specimens-embedded-into-paraffin-blocks
#19
T A Bogush, E A Dudko, A N Grishanina, V T Zarkua, E A Bogush, A A Basharina, B E Polotsky, S A Tjulandin, M M Davydov, M I Davydov
The differences in expression of ERCC1 were estimated between tumor specimens embedded into paraffin blocks and surgical biopsy specimens of non-small cell lung cancer as well as breast and ovarian cancers. Concordance or differences not higher than 20% were observed in 73% of the cases. The number of the cases with more significant differences in ERCC1 expression was less than 17%. The results show that ERCC1 detection in surgical biopsy specimens by flow cytometry is the more preferable method due to reduced preanalytical phase of the analysis...
January 2017: Doklady. Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28420814/cell-adhesion-molecule-1-cadm1-expressed-on-adult-t-cell-leukemia-lymphoma-cells-is-not-involved-in-the-interaction-with-macrophages
#20
Yoshihiro Komohara, Chaoya Ma, Hiromu Yano, Cheng Pan, Hasita Horlad, Yoichi Saito, Koji Ohnishi, Yukio Fujiwara, Yutaka Okuno, Kisato Nosaka, Shunsuke Shimosaki, Kazuhiro Morishita, Masao Matsuoka, Tomohiko Wakayama, Motohiro Takeya
Cell adhesion molecule 1 (CADM1) is a cell adhesion molecule that is expressed in brain, liver, lung, testis, and some kinds of cancer cells including adult T-cell leukemia/lymphoma (ATLL). Recent studies have indicated the involvement of CADM1 in cell-cell contact between cytotoxic T-lymphocytes and virus infected cells. We previously reported that cell-cell interaction between lymphoma cells and macrophages induces lymphoma cell proliferation. In the present study, we investigated whether CADM1 is associated with cell-cell interaction between several human lymphoma cell lines and macrophages...
April 18, 2017: Journal of Clinical and Experimental Hematopathology: JCEH
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