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https://www.readbyqxmd.com/read/28822802/stromal-expression-of-activated-leukocyte-cell-adhesion-molecule-alcam-promotes-lung-tumor-growth-and-metastasis
#1
Ann-Helen Willrodt, Michal Beffinger, Martina Vranova, Darya Protsyuk, Katja Schuler, Maria Jadhav, Mathias Heikenwalder, Maries van den Broek, Lubor Borsig, Cornelia Halin Winter
Activated leukocyte cell adhesion molecule (ALCAM) is expressed on various cell types, including leukocytes, endothelial cells and certain tumor cells. While ALCAM expression on tumor cells has been linked with tumor invasion and metastatic spread, the contribution of ALCAM expressed in cells forming the tumor stroma to cancer progression has not been investigated. In this study, we made use of ALCAM-deficient (ALCAM(-/-)) mice to evaluate the role of ALCAM in lung tumor growth and metastasis. ALCAM(-/-) mice displayed an altered blood vascular network in the lung and the diaphragm, indicative of an angiogenesis defect...
August 16, 2017: American Journal of Pathology
https://www.readbyqxmd.com/read/28822765/local-radiotherapy-reduces-circulating-tumor-cells-and-metastatic-progression-role-of-circulating-cell-detection-in-response-to-vascular-damaging-therapies
#2
Nathan A Koonce, Mazen A Juratli, Chengzhong Cai, Mustafa Sarimollaoglu, Yulian A Menyaev, Judy Dent, Charles M Quick, Ruud P M Dings, Dmitry Nedosekin, Vladimir Zharov, Robert J Griffin
Noninvasive biological readouts of tumor metastatic risk and therapeutic efficacy are needed as healthcare costs rise. Conventional imaging modalities are expensive; require significant periods of time to see appreciable change and repetitive use increases risk of hazardous side effects. Utilizing circulating tumor cells (CTCs) as a minimally invasive biological readout of tumor progression or therapeutic response is increasingly being studied. While focus has primarily been on the predictive value of naturally occurring CTCs, a more recent effort has emerged regarding the potential consequence of therapy induced CTCs...
August 16, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28821892/routine-staging-using-chest-computed-tomography-in-workup-of-treatment-na%C3%A3-ve-hepatocellular-carcinoma-prior-to-locoregional-therapy-is-there-a-need
#3
Po Wey Leong, Uei Pua, Kian Soon Lim
INTRODUCTION: The lung is the most common site of distal metastasis in patients with hepatocellular carcinoma (HCC), as seen in more than half of patients with extrahepatic disease. The incidence of pulmonary metastasis in all patients with HCC, however, remains low (between 4.5% to 20%). Their presence, nevertheless, contraindicates curative locoregional therapies. The role of staging chest computed tomography (CT) before locoregional treatment is not well defined. This study aimed to assess the utility of pre-treatment chest CT prior to locoregional therapy...
July 2017: Annals of the Academy of Medicine, Singapore
https://www.readbyqxmd.com/read/28821543/airway-basal-cell-heterogeneity-and-lung-squamous-cell-carcinoma
#4
EDITORIAL
Robert E Hynds, Sam M Janes
Basal cells are stem/progenitor cells that maintain airway homeostasis, enact repair following epithelial injury, and are a candidate cell-of-origin for lung squamous cell carcinoma. Heterogeneity of basal cells is recognized in terms of gene expression and differentiation capacity. In this Issue, Pagano and colleagues isolate a subset of immortalized basal cells that are characterized by high motility, suggesting that they might also be heterogeneous in their biophysical properties. Motility-selected cells displayed an increased ability to colonize the lung in vivo The possible implications of these findings are discussed in terms of basal cell heterogeneity, epithelial cell migration, and modeling of metastasis that occurs early in cancer evolution...
August 18, 2017: Cancer Prevention Research
https://www.readbyqxmd.com/read/28821205/cerebrospinal-fluid-circulating-tumor-cells-a-novel-tool-to-diagnose-leptomeningeal-metastases-from-epithelial-tumors
#5
Xuling Lin, Martin Fleisher, Marc Rosenblum, Oscar Lin, Adrienne Boire, Samuel Briggs, Yevgeniya Bensman, Brenda Hurtado, Larisa Shagabayeva, Lisa M DeAngelis, Katherine S Panageas, Antonio Omuro, Elena I Pentsova
Background: Diagnosis of leptomeningeal metastasis (LM) remains challenging due to low sensitivity of CSF cytology and infrequent unequivocal MRI findings. In a previous pilot study, we showed that rare cell capture technology (RCCT) could be used to detect circulating tumor cells (CTC) in the CSF of patients with LM from epithelial tumors. To establish the diagnostic accuracy of CSF-CTC in the diagnosis of LM, we applied this technique in a distinct, larger cohort of patients. Methods: In this institutional review board-approved prospective study, patients with epithelial tumors and clinical suspicion of LM underwent CSF-CTC evaluation and standard MRI and CSF cytology examination...
September 1, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28820285/oligometastatic-cancer-stereotactic-ablative-radiotherapy-for-patients-affected-by-isolated-body-metastasis
#6
Andrea Lancia, Gianluca Ingrosso, Alessandra Carosi, Luana Di Murro, Emilia Giudice, Sara Cicchetti, Pasquale Morelli, Daniela di Cristino, Claudia Bruni, Alessandra Murgia, Alessandro Cancelli, Irene Turturici, Anjali Iadevaia, Elisabetta Ponti, Riccardo Santoni
BACKGROUND: To evaluate the outcome of patients affected by a single isolated body metastasis treated with stereotactic body radiotherapy (SBRT). MATERIAL AND METHODS: Seven-eight patients were treated with SBRT for isolated body metastasis. The most frequent primary tumor was prostate cancer (28.2%), followed by colorectal cancer (23.1%) and lung cancer (20.5%). Median age at diagnosis of oligometastatic disease was 70 years (range 47-88). Median Karnofsky Performance Status (KPS) was 90 (range 70-100)...
August 18, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28820254/blockade-of-asparagine-endopeptidase-inhibits-cancer-metastasis
#7
Qi Qi, Obiamaka Obianyo, Yuhong Du, Haian Fu, Shiyong Li, Keqiang Ye
Asparagine endopeptidase (AEP), also called legumain, is highly expressed in various solid tumors, promoting cancer cell invasion, migration, and metastasis. It has been proposed to be a prognostic marker and therapeutic target for cancer treatment. However, an effective nonpeptide, small-molecule inhibitor against this protease has not yet been identified. Here we show that a family of xanthine derivatives selectively inhibit AEP and suppress matrix metalloproteinase (MMP) cleavage, leading to the inhibition of cancer metastasis...
August 18, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28819438/elevated-expression-of-derlin-1-associates-with-unfavorable-survival-time-of-squamous-cell-carcinoma-of-the-head-and-neck-and-promotes-its-malignance
#8
Leiming Pi, Gangcai Zhu, Li She, Ming Wei, Guancheng Liu, Changhan Chen, Di Hu, Fusen Peng, Haolei Tan, Yong Liu, Donghai Huang, Yongquan Tian, Xin Zhang
Derlin-1 is over-expressed to function as an oncoprotein in breast, lung and colon cancers. However, the implications of Derlin-1 involved in squamous cell carcinoma of the head and neck (SCCHN) remain unknown. This study aims to investigate the effects of Derlin-1 expression on SCCHN tissues and cells. The potential mechanism of Derlin-1 regulating SCCHN cell proliferation, apoptosis and metastasis was also indicated in this work. Western blot and immunohistochemistry (IHC) assays showed that Derlin-1 was over-expressed in 114 SCCHN samples and five SCCHN cell lines...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819435/pattern-of-distant-extrahepatic-metastases-in-primary-liver-cancer-a-seer-based-study
#9
Wenrui Wu, Xingkang He, Dewi Andayani, Liya Yang, Jianzhong Ye, Yating Li, Yanfei Chen, Lanjuan Li
Background and Aims: Primary liver cancer remains still the common cause of cancer-related deaths globally and the prognosis for patients with extrahepatic metastasis is poor. The aim of our study was to assess extrahepatic metastatic pattern of different histological subtypes and evaluate prognostic effects of extrahepatic metastasis in patients with advanced disease. Methods: Based on the Surveillance, Epidemiology and End Results (SEER) database, eligible patients diagnosed with primary liver cancer was identified between 2010 to 2012...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819419/osteopontin-a-promising-biomarker-for-cancer-therapy
#10
REVIEW
Ran Wei, Janet Pik Ching Wong, Hang Fai Kwok
Osteopontin (OPN), a multifunctional protein, has emerged as a potentially valuable biomarker for diagnosing and treating cancers. Recent research focuses on its involvement in tumor biology including the cell proliferation, survival, angiogenesis, invasion, and metastasis. Understanding the molecular mechanisms and pharmacological effects of OPN in cancer development could lead to new targets for improving cancer diagnosis and treatment. This review explains how the structurally conserved domains of OPN are associated with OPN signaling mediators and CD44, and how the conserved OPN domains determine biological functions...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819417/mdm2-snp309-and-snp285-act-as-negative-prognostic-markers-for-non-small-cell-lung-cancer-adenocarcinoma-patients
#11
Christophe Deben, Ken Op de Beeck, Jolien Van den Bossche, Julie Jacobs, Filip Lardon, An Wouters, Marc Peeters, Guy Van Camp, Christian Rolfo, Vanessa Deschoolmeester, Patrick Pauwels
Objectives: Two functional polymorphisms in the MDM2 promoter region, SNP309T>G and SNP285G>C, have been shown to impact MDM2 expression and cancer risk. Currently available data on the prognostic value of MDM2 SNP309 in non-small cell lung cancer (NSCLC) is contradictory and unavailable for SNP285. The goal of this study was to clarify the role of these MDM2 SNPs in the outcome of NSCLC patients. Materials and Methods: In this study we genotyped SNP309 and SNP285 in 98 NSCLC adenocarcinoma patients and determined MDM2 mRNA and protein levels...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819407/ccr7-promote-lymph-node-metastasis-via-regulating-vegf-c-d-r3-pathway-in-lung-adenocarcinoma
#12
Jie Yu, Shaolin Tao, Pingping Hu, Ruwen Wang, Chunshu Fang, Yi Xu, Di Qi, Zhuanqin Wei, Jingge Zhang, Qunyou Tan
Lymph node metastasis is still an important issue in metastatic process of lung adenocarcinoma. C-C chemokine receptor 7 (CCR7) has been proved to be closely associated with the metastasis of lung adenocarcinoma, and the mechanism is poorly understood. In order to investigate the relationship between CCR7 and lymph node metastasis in lung adenocarcinoma, and to explore the role of CCR7 in treating lung adenocarcinoma, 40 clinical specimens were collected to define the relationship between CCR7 and lymph node metastasis in lung adenocarcinoma by immunohistochemistry...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819405/linc00152-promotes-cancer-cell-proliferation-and-invasion-and-predicts-poor-prognosis-in-lung-adenocarcinoma
#13
Pei-Pei Zhang, Yi-Qin Wang, Wei-Wei Weng, Wei Nie, Yong Wu, Yu Deng, Ping Wei, Mi-Die Xu, Chao-Fu Wang
Background: The long non-coding RNA Linc00152 stimulates tumor progression in cancer. However, its clinical significance and biological functions in lung adenocarcinoma remains unknown. We evaluate the expression of Linc00152 in lung adenocarcinoma and its possible correlation with clinicopathologic features and patient survival to reveal its biological effects in cancer progression and prognosis. Methods: Total RNA extraction was performed on 110 pairs of lung adenocarcinoma and adjacent normal tissue samples, and then RT-qPCR was conducted...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819375/bone-marrow-derived-mesenchymal-stem-cells-involve-in-the-lymphangiogenesis-of-lung-cancer-and-jinfukang-inhibits-the-involvement-in-vivo
#14
Xian-Mei Zhou, Dan Wang, Hai-Lang He, Jie Tang, Jing Wu, Ling Xu, Jian-Xin Li
Lymphangiogenesis plays an important role in cancer metastasis. Bone marrow-derived mesenchymal stem cells (BMMSCs) migrate to the site of tumorigenesis and in turn promote the metastasis. However, whether BMMSCs involve in the lymphangiogenesis of lung cancer is unclear. Jinfukang has clinically been used for the treatment of non small cell lung cancer (NSCLC) in China. In this study, to investigate the involvement of BMMSCs in lymphangiogenesis in lung cancer, and evaluate the inhibitory effect of Jinfukang on the lymphangiogenesis, chimeric mice were prepared by transplanting bone marrow from green fluorescent protein (GFP) transgenic mice (C57BL/6-EGFP) into irradiated C57BL/6 mice...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28819116/silencing-of-tgf-%C3%AE-1-in-tumor-cells-impacts-mmp-9-in-tumor-microenvironment
#15
Lakisha D Moore-Smith, Tatyana Isayeva, Joo Hyoung Lee, Andra Frost, Selvarangan Ponnazhagan
Transforming growth factor (TGF)-β1 contributes to autocrine and paracrine functions in the tumor microenvironment (TME). The present study examined the effects of TGF-β1 crosstalk in TME and its role in mediating tumor formation and progression by targeted abrogation of TGF-β1 expression in metastatic cells in situ. Using species-specific primers, we found a significant increase in MMP-9 gene expression in the tumor-reactive stroma during late-stage metastasis in the lung. This effect was also confirmed in cancer-associated fibroblasts (CAFs) when co-cultured with the tumor cells...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28817811/downregulation-of-microrna-330-correlates-with-the-radiation-sensitivity-and-prognosis-of-patients-with-brain-metastasis-from-lung-cancer
#16
Li-Peng Jiang, Zhi-Tu Zhu, Yue Zhang, Chun-Yan He
BACKGROUND: The present study sought to explore the role of microRNA-330 (miR-330) in predicting the radiation response and prognosis of patients with brain metastasis (BM) from lung cancer (LC). METHODS: Patients with BM from LC were identified and classified into radiation-sensitive and radiation-resistant groups according to the overall survival rate, local and distant recurrence rate after conventional whole-brain radiation therapy. Quantitative realtime polymerase chain reaction (qRT-PCR) was used to detect miR-330 expression in serum...
August 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28816950/pemetrexed-carboplatin-with-intercalated-icotinib-in-the-treatment-of-patient-with-advanced-egfr-wild-type-lung-adenocarcinoma-a-case-report
#17
Tongpeng Xu, Hao Wu, Shidai Jin, Huang Min, Zhihong Zhang, Yongqian Shu, Wei Wen, Renhua Guo
RATIONALE: Tyrosine kinase inhibitors (TKIs) are known to have greater efficacy in epidermal growth factor receptor (EGFR) mutation nonsmall cell lung cancer (NSCLC). However, about 10% of EGFR wild-type (wt) patients respond to TKIs. PATIENT CONCERNS: Several strategies to increase the efficacy of TKIs in wt NSCLC are the subjects of ongoing investigations. One of them is combining EGFR TKI with intercalated chemotherapy. DIAGNOSES: We describe a patient with EGFR wt NSCLC, who was found with ovarian and lung metastasis, was treated with pemetrexed and intercalated icotinib...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28816272/-radical-nephrectomy-and-thrombectomy-for-mayo-clinic-stage-iii-tumor-thrombus-a-surgical-technique-and-clinical-experience
#18
Z Liu, L L Ma, X J Tian, G L Wang, X F Hou, S D Zhang, S H Deng
OBJECTIVE: To evaluate the effectiveness and safety of radical nephrectomy and inferior vena cava thrombectomy in the treatment of patients with Mayo III tumor thrombus, and to introduce our experience and surgical technique. METHODS: The clinical data of 8 patients with Mayo III tumor thrombus from October 2014 to September 2016 were analyzed retrospectively. Of the 8 patients, 3 were male and 5 were female. The average age was (50.8±18.7) years (18 to 77 years)...
August 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28816142/vorinostat-and-concurrent-stereotactic-radiosurgery-for-non-small-cell-lung-cancer-brain-metastases-a-phase-1-dose-escalation-trial
#19
Clara Y H Choi, Heather A Wakelee, Joel W Neal, Mary C Pinder-Schenck, Hsiang-Hsuan Michael Yu, Steven D Chang, John R Adler, Leslie A Modlin, Griffith R Harsh, Scott G Soltys
PURPOSE: To determine the maximum tolerated dose (MTD) of vorinostat, a histone deacetylase inhibitor, given concurrently with stereotactic radiosurgery (SRS) to treat non-small cell lung cancer (NSCLC) brain metastases. Secondary objectives were to determine toxicity, local failure, distant intracranial failure, and overall survival rates. MATERIALS AND METHODS: In this multicenter study, patients with 1 to 4 NSCLC brain metastases, each ≤2 cm, were enrolled in a phase 1, 3 + 3 dose escalation trial...
September 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28815470/alterations-in-scai-expression-during-cell-plasticity-fibrosis-and-cancer
#20
Ákos Gasparics, Gábor Kökény, Attila Fintha, Rita Bencs, Miklós M Mózes, Emese Irma Ágoston, Anna Buday, Zoltán Ivics, Péter Hamar, Balázs Győrffy, László Rosivall, Attila Sebe
Suppressor of cancer cell invasion (SCAI) has been originally characterized as a tumor suppressor inhibiting metastasis in different human cancer cells, and it has been suggested that SCAI expression declines in tumors. The expression patterns and role of SCAI during physiological and pathophysiological processes is still poorly understood. Earlier we demonstrated that SCAI is regulating the epithelial-mesenchymal transition of proximal tubular epithelial cells, it is downregulated during renal fibrosis and it is overexpressed in Wilms' tumors...
August 16, 2017: Pathology Oncology Research: POR
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