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https://www.readbyqxmd.com/read/29245116/human-lung-epithelial-cells-a549-epithelial-mesenchymal-transition-induced-by-pva-collagen-nanofiber
#1
Xiuchun Li, Shanshan Yan, Jing Dai, Yi Lu, Yiqun Wang, Man Sun, Jinkang Gong, Yuan Yao
Epithelial-mesenchymal transition (EMT) is a process by which epithelial cells lose their cell-cell contact to become mesenchymal stem cells, which is important on development and embryogenesis, wound healing, and cancer metastasis. This research aims to investigate the effect of topological cue as modulating factor on the EMT by tuning the diameter of electrospinning nanofiber. The cell-nanofiber interaction between human lung epithelial cell A549 and electrospinning nanofibers composed of polyvinyl alcohol (PVA) and type I collagen were investigated...
December 11, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29243194/kallistatin-inhibits-lymphangiogenesis-and-lymphatic-metastasis-of-gastric-cancer-by-downregulating-vegf-c-expression-and-secretion
#2
Caiqi Ma, Chuanghua Luo, Haofan Yin, Yang Zhang, Wenjun Xiong, Ting Zhang, Tianxiao Gao, Xi Wang, Di Che, Zhenzhen Fang, Lei Li, Jinye Xie, Mao Huang, Liuqing Zhu, Ping Jiang, Weiwei Qi, Ti Zhou, Zhonghan Yang, Wei Wang, Jianxing Ma, Guoquan Gao, Xia Yang
BACKGROUND: Tumor-induced lymphangiogenesis and lymphatic metastasis are predominant during the metastasis of many types of cancers. However, the endogenous inhibitors that counterbalance the lymphangiogenesis and lymphatic metastasis of tumors have not been well evaluated. Kallistatin has been recognized as an endogenous angiogenesis inhibitor. METHODS AND RESULTS: Our recent study showed for the first time that the lymphatic vessel density (LVD) was reduced in lung and stomach sections from kallistatin-overexpressing transgenic mice...
December 14, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/29242733/68ga-psma-pet-ct-imaging-of-metastatic-adenoid-cystic-carcinoma
#3
Bart de Keizer, Gerard C Krijger, F Tessa Ververs, Robert J J van Es, Remco de Bree, Stefan Willems
A patient with a history of adenoid cystic carcinoma of the nasal cavity presented himself with bone pain and an elevated PSA level. On suspicion of metastatic prostate cancer a 68Ga-PSMA PET-CT was performed. The PET-CT showed numerous lung and non-sclerotic bone metastasis. Biopsy of a bone metastasis was performed and pathology showed adenoid cystic carcinoma instead of prostate cancer. Immunohistochemical PSMA staining of the primary tumour showed intense PSMA expression in adenoid cystic carcinoma tumour cells...
December 2017: Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29239816/mir-9-5p-promotes-cell-growth-and-metastasis-in-non-small-cell-lung-cancer-through-the-repression-of-tgfbr2
#4
Gang Li, Fang Wu, Han Yang, Xia Deng, Yawei Yuan
BACKGROUND: Increasing evidence indicates that the dysregulation of microRNAs (miRNAs) play critical roles tumor progression and metastasis, but very few papers had reported the function of miR-9-5p in lung cancer, especially in NSCLCs. METHODS: In this study, we investigated the role of miR-9-5p in non-small cell lung cancers (NSCLCs). MiR-9-5p level were analyzed in 62 clinical NSCLC lung tissue samples and adjacent normal lung tissues by RT-PCR. The target of miR-9-5p was predicted by TargetScan and luciferase reporter assay was used to verify the binding site of miR-9-5p on TGFBR2 mRNA...
November 24, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29238224/prognostic-value-of-cox-2-and-pd-l1-expression-and-its-relationship-with-tumor-infiltrating-lymphocytes-in-resected-lung-adenocarcinoma
#5
Katsuhiko Shimizu, Riki Okita, Shinsuke Saisho, Ai Maeda, Yuji Nojima, Masao Nakata
Programmed cell death-1 ligand 1 (PD-L1), tumor-infiltrating CD8-positive T lymphocytes (CD8-positive TILs), and cyclooxygenase-2 (Cox-2) have been used as prognostic tools in patients with lung adenocarcinoma. We conducted a retrospective review of data from 170 patients who had undergone pulmonary resection as an initial treatment for clinical T1-2 N0 lung adenocarcinoma. We then investigated the expressions of three biomarkers using immunohistochemical analyses and compared the expression levels with the clinicopathological characteristics and outcomes of the patients...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/29237805/preclinical-evaluation-of-scc244-glumetinib-a-novel-potent-and-highly-selective-inhibitor-of-c-met-in-met-dependent-cancer-models
#6
Jing Ai, Yi Chen, Xia Peng, Yinchun Ji, Yong Xi, Yanyan Shen, Xinying Yang, Yi Su, Yi-Ming Sun, Yinglei Gao, Yuchi Ma, Bing Xiong, Jingkang Shen, Jian Ding, Meiyu Geng
Because the receptor tyrosine kinase c-Met plays a critical role in tumor growth, metastasis, tumor angiogenesis and drug resistance, the c-Met axis represents an attractive therapeutic target. Herein, we report the first preclinical characterization of SCC244, a novel, potent and highly selective inhibitor of c-Met kinase. SCC244 showed subnanomolar potency against c-Met kinase activity and high selectivity versus 312 other tested protein kinases, making it one of the most selective c-Met inhibitors described to date...
December 13, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29237502/initial-clinical-presentation-of-single-soft-tissue-metastasis-of-medullary-thyroid-carcinoma-without-primary-tumor-in-the-thyroid-gland
#7
Masanori Okamoto, Akira Takazawa, Kaoru Aoki, Yasuo Yoshimura, Hiroyuki Kato, Toshiaki Otsuki, Kazuma Maeno, Tomonobu Koizumi
BACKGROUND: Single soft tissue metastasis of medullary thyroid carcinoma is extremely rare. In addition, several occult medullary thyroid carcinomas with distant metastasis were reported, but undetectable primary lesion at diagnosis was also extremely rare. CASE PRESENTATION: A 74-year-old man was admitted to our hospital because of a painful nodule in his left buttock for over 1 year. Needle biopsy was performed, and the histological findings revealed adenocarcinoma positive for thyroid transcription factor-1...
December 13, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/29237381/targeting-fgfr-with-bgj398-in-breast-cancer-effect-on-tumor-growth-and-metastasis
#8
Ana Sahores, Maria May, Gonzalo Sequeira, Cynthia Fuentes, Britta Jacobsen, Claudia Lanari, Caroline Ana Lamb
BACKGROUND: Endocrine resistance and metastatic dissemination comprise major clinical challenges for breast cancer treatment. The fibroblast growth factor receptor family (FGFR) consists of four tyrosine kinase transmembrane receptors, involved in key biological processes. Genomic alterations in FGFR have been identified in advanced breast cancer and thus, FGFR are an attractive therapeutic target. However, the efficacy of FGFR inhibitors on in vivo tumor growth is still controversial...
December 13, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/29235102/eukaryotic-elongation-factor-2-kinase-up-regulates-the-expression-of-proteins-implicated-in-cell-migration-and-cancer-cell-metastasis
#9
Jianling Xie, Kaikai Shen, Roman V Lenchine, Lee A Gethings, Paul J Trim, Marten F Snel, Ying Zhou, Justin W Kenney, Makoto Kamei, Marina Kochetkova, Xuemin Wang, Christopher G Proud
Eukaryotic elongation factor 2 kinase (eEF2K) negative regulates the elongation phase of mRNA translation and hence protein synthesis. Increasing evidence indicates that eEF2K plays an important role in the survival and migration of cancer cells and in tumour progression. As demonstrated by two-dimensional wound-healing and three-dimensional transwell invasion assays, knocking down or inhibiting eEF2K in cancer cells impairs migration and invasion of cancer cells. Conversely, exogenous expression of eEF2K or knocking down eEF2 (the substrate of eEF2K) accelerates wound healing and invasion...
December 13, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/29234633/clinical-factors-predicting-better-survival-outcome-for-pulmonary-metastasectomy-of-hepatocellular-carcinoma
#10
Tse-Ming Kuo, Kai-Ming Chang, Tsun-I Cheng, Kuo-Jang Kao
Background: In patients with lung metastasis of hepatocellular carcinoma (HCC), it remains uncertain how a better survival outcome can be predicted after metastasectomy. This study aims to identify clinical factors that may be used to guide patient selection for such a therapeutic modality. A total of 28 patients who received pulmonary metastasectomy for HCC between 1993 and 2012 were identified. All relevant clinical factors were extracted from medical records up to September 2015. Patients were classified into high- and low-risk groups according to survival outcome after metastasectomy...
November 2017: Liver Cancer
https://www.readbyqxmd.com/read/29234589/retrospective-study-of-predictors-of-bone-metastasis-in-colorectal-cancer-patients
#11
Zhenghong, Zihua Zhu, Guoweijian, Zhangning, Caiyunyun, Yingjiangshan, Xiaomi
Background: We explored risk factors for bone metastasis (BMs) in colorectal cancer (CRC) to improve in early diagnosis and follow-up and to reduce bone metastasis. Methods: With a retrospective analysis of 2066 patients with CRC treated in our institution from January 2006 to January 2015, we assessed high-risk variables associated with bone metastasis using univariate and multivariate analyses. Results: Of those subjects studied, 102 patients developed BMs, including 62 of 1014 the rectal cancer patients and 40 of the 1052 colon cancer patients...
November 2017: Journal of Bone Oncology
https://www.readbyqxmd.com/read/29234153/netrin-1-elicits-metastatic-potential-of-non-small-cell-lung-carcinoma-cell-by-enhancing-cell-invasion-migration-and-vasculogenic-mimicry-via-emt-induction
#12
Xiaofei Zhang, Ping Cui, Beichen Ding, Yuening Guo, Kaiyu Han, Jianing Li, Hong Chen, Wei Zhang
Ectopic expression of netrin-1 has been validated in several cancers including non-small cell lung cancer (NSCLC). Recent research confirms the critical role of netrin-1 in NSCLC growth and its prognostic value. Unfortunately, its contribution in NSCLC metastasis remains elusive. Here, netrin-1 had relatively high expression in NSCLC tissues and cells, especially in high metastatic groups. Notably, netrin-1 overexpression aggravated the malignant metastatic behavior of NSCLC cells, including cell invasion, migration, and vasculogenic mimicry (VM), whereas netrin-1 depression reversely dampened the metastatic potential...
December 12, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/29232243/artifactual-hepatic-metastasis-on-fdg-pet-ct-secondary-to-cryoablation-for-adrenal-metastasis
#13
Joseph Frankl, Naghmehossadat Eshghi, Tamara F Lundeen, Phillip H Kuo
A 65-year-old woman with metastatic lung cancer was referred for CT-guided cryoablation of a right adrenal metastasis. For cryoablation, probes were placed into the adrenal region. FDG PET/CT 3 months later showed new activity in hepatic segment 6 initially suspected to be metastasis. Proximity of the hepatic lesion to the adrenal metastasis was a strange coincidence and prompted review of imaging from the cryoablation. CT showed the probe entered the liver, and postablation image demonstrated injury to the liver adjacent to the adrenal metastasis...
December 11, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/29230336/metastatic-spinal-cord-compression-secondary-to-liver-cancer
#14
Daniel Gams Massi, Japhari Nyassinde, Ngor Side Diagne, Ramy Abdennaji, Kamadore Toure, Moustapha Ndiaye, Amadou Gallo Diop, Mouhamadou Mansour Ndiaye
Metastatic spinal cord compression (MSCC) is a medical emergency that requires rapid diagnosis and treatment to reduce pain, to preserve neurological functioning, and to prolong survival. The diagnosis of liver cancer is often neglected in the differential diagnosis of MSCC. Treatment is usually palliative and evolution is often fatal. This is a case report of a 28-year-old patient living in Mauritania hospitalized in November 2014 at the neurology department of Fann national teaching hospital in Dakar, for the management of a chronic dorsal spinal cord compression...
2017: Case Reports in Neurological Medicine
https://www.readbyqxmd.com/read/29230130/periampullary-carcinoma-unusual-sites-of-metastasis
#15
Anju Bansal, Varsha Dalal, Manveen Kaur, Fouzia Siraj
Background: Periampullary neoplasms include carcinomas of the duodenum, ampulla of Vater, distal common bile duct, and pancreas. The aggressive course of these neoplasms is attributable to the delay in diagnosis, as patients have no symptoms until advanced stages of the disease. More than half of patients have distant metastasis at the time of diagnosis. The most frequent sites of metastasis are the liver, lymph nodes, peritoneum, lung, bone, kidney, and, rarely the skin. Case Report: We report the case of a 45-year-old female patient with adenocarcinoma of the ampulla of Vater metastasizing to the right parietal skull with overlying cutaneous involvement 1 year after a Whipple procedure...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29230121/leptomeningeal-disease-and-the-evolving-role-of-molecular-targeted-therapy-and-immunotherapy
#16
REVIEW
Katharine Hall Thomas, Robert A Ramirez
Background: Leptomeningeal disease (LMD) is a complication that results from solid tumor metastasis. Prognosis is extremely poor. As therapeutic options for solid tumors improve, the rate of LMD continues to increase. Until recently, treatment has been limited to radiation therapy, intrathecal chemotherapy, and systemic chemotherapy, with an overall survival of 2-3 months. Targeted molecular therapy and immunotherapies are promising new options for increasing overall survival and clinical improvement; however, optimal clinical management remains unknown...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/29229885/mir-876-5p-suppresses-epithelial-mesenchymal-transition-of-lung-cancer-by-directly-down-regulating-bone-morphogenetic-protein-4
#17
Liang Bao, Lei Lv, Jinping Feng, Yuyu Chen, Xinhua Wang, Shuguang Han, Hongqing Zhao
Lung cancer is the leading cause of cancer-related death throughout the world. We aimed to investigate the role of a novel microRNA-876-5p and its potential molecular target bone morphogenetic protein 4 (BMP-4), in the epithelial-mesenchymal transition (EMT) of lung cancer. Expressions of microRNA-876-5p and its potential target BMP-4 were analysed in lung cancer cells and patient tissues. Luciferase activity assay was conducted to verify direct targeting of microRNA- 876-5p to the 3'-UTR of BMP-4 mRNA. Migration, invasion capacities of lung cancer cells expressing microRNA-876-5p were analysed, and characteristics of lung cancer EMT protein markers were also evaluated...
December 2017: Journal of Biosciences
https://www.readbyqxmd.com/read/29228994/survival-and-prognostic-factors-of-non-small-cell-lung-cancer-patients-with-postoperative-locoregional-recurrence-treated-with-radical-radiotherapy
#18
Li Ma, Bo Qiu, Jun Zhang, Qi-Wen Li, Bin Wang, Xu-Hui Zhang, Meng-Yun Qiang, Zhao-Lin Chen, Su-Ping Guo, Hui Liu
BACKGROUND: Locoregional recurrence remains the challenge for long-term survival of non-small cell lung cancer (NSCLC) patients after radical surgery, and curative-intent radiotherapy could be a treatment choice. This study aimed to assess the survival and prognostic factors of patients with postoperative locoregionally recurrent NSCLC treated with radical radiotherapy. METHODS: We reviewed medical records of 74 NSCLC patients with postoperative locoregional recurrence who received radical radiotherapy between April 2012 and February 2016 at Sun Yat-sen University Cancer Center (Guangzhou, China)...
December 11, 2017: Chinese Journal of Cancer
https://www.readbyqxmd.com/read/29228726/tyrosine-kinase-inhibitors-show-different-anti-brain-metastases-efficacy-in-nsclc-a-direct-comparative-analysis-of-icotinib-gefitinib-and-erlotinib-in-a-nude-mouse-model
#19
Jianlong Tan, Min Li, Wen Zhong, Chengping Hu, Qihua Gu, Yali Xie
Brain metastasis is an increasing problem in non-small cell lung cancer (NSCLC) patients. Tyrosine kinase inhibitors (TKIs), including gefitinib, erlotinib, and icotinib, are reported to be effective in patients with brain metastases. However, direct comparative studies of the pharmacokinetics and efficacy of these three drugs in treating brain metastases are lacking. In the present investigation, we found that gefitinib penetrated the blood-tumor barrier and was distributed to brain metastases more effectively than erlotinib or icotinib in a nude mouse model...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29228680/long-noncoding-rna-miat-promotes-non-small-cell-lung-cancer-proliferation-and-metastasis-through-mmp9-activation
#20
I-Lu Lai, Chin-An Yang, Pei-Chin Lin, Wen-Ling Chan, Ya-Ting Lee, Ju-Chen Yen, Ya-Sian Chang, Jan-Gowth Chang
Long noncoding RNAs (lncRNAs) play crucial roles in carcinogenesis. Myocardial infarction-associated transcript (MIAT), originally isolated as a candidate gene for myocardial infarction, has been found to act as an oncogene in chronic lymphocytic leukaemias and neuroendocrine prostate cancer (NEPC); however, little is known about its expression pattern, biological function, and underlying mechanism in non-small cell lung cancer (NSCLC). In this study, we observed that MIAT expression was upregulated in NSCLC, and its overexpression was associated with advanced tumor stage...
November 17, 2017: Oncotarget
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