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https://www.readbyqxmd.com/read/29157387/non-small-cell-lung-cancer-pet-imaging-beyond-f18-fluorodeoxyglucose
#1
REVIEW
Gang Cheng
F18 Flurodeoxyglucose (FDG) is a nonspecific PET tracer representing tumor energy metabolism, with common false-positive and false-negative findings in clinical practice. Non-small cell lung cancer is highly heterogeneous histologically, biologically, and molecularly. Novel PET tracers designed to characterize a specific aspect of tumor biology or a pathway-specific molecular target have the potential to provide noninvasive key information in tumor heterogeneity for patient stratification and in the assessment of treatment response...
January 2018: PET Clinics
https://www.readbyqxmd.com/read/29152147/microrna-370-inhibits-the-growth-and-metastasis-of-lung-cancer-by-down-regulating-epidermal-growth-factor-receptor-expression
#2
Xin Liu, You-Guang Huang, Cong-Guo Jin, Yong-Chun Zhou, Xiao-Qun Chen, Jia Li, Yan Chen, Mei Li, Qian Yao, Ke Li, Min Lan, Jia-Gui Ye, Xi-Cai Wang
Abnormal microRNA-370 (miR-370) expression has been frequently reported in several types of cancers, including lung cancer. However, the role and molecular mechanisms of miR-370 in regulating the growth and metastasis of lung cancer have not been clarified. Here, we show higher levels of epidermal growth factor receptor (EGFR), but lower levels of miR-370 expression in most human lung cancer cells and non-tumor cells. Induction of miR-370 over-expression significantly reduced the levels of EGFR expression and the EGFR 3'untranslated region (UTR)-regulated luciferase activity in XWLC-05 and H157 cells, suggesting that miR-370 may bind to the 3'UTR of EGFR mRNA...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29151074/interferon-lambda-2-promotes-mammary-tumor-metastasis-via-angiogenesis-extension-and-stimulation-of-cancer-cell-migration
#3
R Pingwara, K Witt-Jurkowska, K Ulewicz, J Mucha, K Tonecka, Z Pilch, B Taciak, K Zabielska-Koczywas, M Mori, S Berardozzi, B Botta, T P Rygiel, M Krol
Myeloid-derived suppressor cells (MDSCs) support tumor development by stimulation of angiogenesis and immune response inhibition. In our previous study, we showed that interferon lambda 2 (IFN-λ2), secreted by MDSCs, enhances production of pro-angiogenic factors by cancer cells via phosphorylation of STAT3 and therefore promotes blood vessels formation. In the present study IFN-λ2 level was evaluated by ELISA in serum of tumor-bearing mice, whereas its expression in MDSCs isolated from the lungs with metastatic tumors and normal lungs was assessed by qPCR...
August 2017: Journal of Physiology and Pharmacology: An Official Journal of the Polish Physiological Society
https://www.readbyqxmd.com/read/29148169/antitumor-and-anti-metastatic-mechanisms-of-rhizoma-paridis-saponins-in-lewis-mice
#4
Shuli Man, Hongyan Chai, Jingxia Cui, Jingwen Yao, Long Ma, Wenyuan Gao
Lung cancer is one of the most common causes of death in the world. Rhizoma paridis saponins (RPS) have been found to show inhibition of pulmonary adenoma in previous research. However, the detailed mechanisms of RPS from a holistic view have not been established. In this study, Lewis pulmonary adenoma mice were successfully established to analyze the pathways involved in RPS intervening tumor formation and progression. As a result, RPS inhibited levels of cytokines or receptors such as VEGFD, VEGFR3, RAGE, IL6R, IL17BR, and CXCL16 which were regarded as the initiators induced tumor cell proliferation, adhesion, angiogenesis, and invasion...
November 17, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/29147627/stat1-gene-deficient-mice-develop-accelerated-breast-cancer-growth-and-metastasis-which-is-reduced-by-il-17-blockade
#5
Sanjay Varikuti, Steve Oghumu, Mohamad Elbaz, Greta Volpedo, Dinesh K Ahirwar, Pablo C Alarcon, Rachel H Sperling, Ellen Moretti, Marissa S Pioso, Jennifer Kimble, Mohd W Nasser, Ramesh K Ganju, Cesar Terrazas, Abhay R Satoskar
Signal transducer and activator of transcription 1 (STAT1) mediates interferon gamma signaling which activates the expression of various genes related to apoptosis, inflammation, cell cycle and angiogenesis. Several experimental and clinical studies have investigated the role of STAT1 in primary tumor growth in breast cancer; however, its role in tumor metastasis remains to be determined. To determine the role of STAT1 in breast cancer metastasis, we analyzed growth and metastasis in WT or STAT1(-/-) mice orthotopically implanted with metastatic 4T1...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/29138417/association-of-predicted-pathogenic-mutations-in-mitochondrial-nd-genes-with-distant-metastasis-in-nsclc-and-colon-cancer
#6
Nobuko Koshikawa, Miho Akimoto, Jun-Ichi Hayashi, Hiroki Nagase, Keizo Takenaga
Cancer cells have more mutations in their mitochondrial DNA (mtDNA) than do normal cells, and pathogenic mutations in the genes encoding mitochondrial NADH dehydrogenase (ND) subunits have been found to enhance the invasive and metastatic ability of various tumour cells in animal experiments. However, it is unknown whether single-nucleotide variants (SNVs) of the ND genes that decrease complex I activity are involved in distant metastasis in human clinical samples. Here, we demonstrated the enhancement of the distant metastasis of Lewis lung carcinoma cells by the ND6 13885insC mutation, which is accompanied by the overexpression of metastasis-related genes, metabolic reprogramming, the enhancement of tumour angiogenesis and the acquisition of resistance to stress-induced cell death...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29137669/blocked-expression-of-key-genes-of-the-angiogenic-pathway-in-jsrv-induced-pulmonary-adenocarcinomas
#7
Maryline Gomes, Fabienne Archer, Nicolas Girard, Barbara Gineys, Christine Dolmazon, Alexandra Bobet Erny, Jean-François Mornex, Caroline Leroux
JSRV (Jaagsiekte Sheep Retrovirus) is a retrovirus inducing a transmissible lung adenocarcinoma in sheep and goats with predominantly lepidic and papillary lesions. This naturally occurring lung cancer in large animals shares many features with human pneumonic-type lung adenocarcinomas with predominant lepidic growth. The metastatic spread is rare in both human and animal cancers. This unique feature prompted us to decipher the angiogenesis pathway in these cancers. We focused on the levels of mRNA and proteins of genes implicated in the extension of JSRV-induced lung adenocarcinomas by studying their expression in lung cancers (n = 10) and normal lungs (n = 10) and in primary epithelial alveolar type II cells derived from cancers (n = 10) or normal lungs (n = 6)...
November 14, 2017: Veterinary Research
https://www.readbyqxmd.com/read/29137392/selective-secretion-of-micrornas-from-lung-cancer-cells-via-extracellular-vesicles-promotes-camk1d-mediated-tube-formation-in-endothelial-cells
#8
James Lawson, Christopher Dickman, Sara MacLellan, Rebecca Towle, James Jabalee, Stephen Lam, Cathie Garnis
Extracellular vesicles (EVs) are key signaling mediators between cancer cells and their supporting stroma, and regulate critical processes such as invasion, metastases, and angiogenesis. We have identified a subset of miRNAs (miR-142-3p, miR-143-3p, miR-145-5p, miR-150-5p, miR-223-3p, miR-451a, miR-486-5p, miR-605-5p) that are enriched in lung adenocarcinoma extracellular vesicles compared to the donor cells from which they were derived. Two well-known tumor suppressors, miR-143-3p and miR-145-5p, were also enriched in serum samples collected during surgery from blood vessels draining directly from lung adenocarcinoma tumor beds...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29130110/epimedium-koreanum-nakai-inhibits-pma-induced-cancer-cell-migration-and-invasion-by-modulating-nf-%C3%AE%C2%BAb-mmp-9-signaling-in-monomorphic-malignant-human-glioma-cells
#9
Wonil Lee, Jin Han Nam, Hyun-Ji Cho, Ju-Young Lee, Won-Kyung Cho, Υeongyeon Kim, Young-Man We, Jin Yeul Ma, Hyang-Sook Hoe
Previously, we showed that the herbal extract EYK (Epimedium koreanum Nakai) can regulate the immune response. Other studies showed that EYK has beneficial effects in human lung cancer, angiogenesis and Alzheimer's disease (AD). However, it remains unknown whether EYK can affect cancer cell migration and invasion in human brain cancer cell lines. In the present study, we found that pre- or post-treatment with EYK inhibited phorbol 12-myristate 13-acetate (PMA)-induced cancer cell migration and invasion in A172 cells, but not in U373MG or T98G cells...
December 2017: Oncology Reports
https://www.readbyqxmd.com/read/29130101/the-recombinant-egfr-cd13-bi-targeted-fusion-protein-induces-apoptosis-and-blocks-tube-formation
#10
Weijin Sheng, Jianhua Gong, Min Jiang, Yongsu Zhen
Previously it was shown that the recombinant EGFR/CD13 bi-targeted fusion protein ER(Fv)‑LDP-NGR which consists of an anti‑EGFR scFv antibody fragment, a tri‑cyclic NGR peptide, and a lidamycin-derived apoprotein, inhibited the proliferation of cancer cells and markedly suppressed tumor growth of breast carcinoma MCF-7 xenografts in athymic mice. This study investigated the mechanism of action of the fusion protein. Human breast cancer MCF-7 cells, lung adenocarcinoma A549 cells, and microvascular endothelial HMEC‑1 cells were used for a series of assays and determinations...
December 2017: Oncology Reports
https://www.readbyqxmd.com/read/29121075/functional-evaluation-of-therapeutic-response-of-hcc827-lung-cancer-to-bevacizumab-and-erlotinib-targeted-therapy-using-dynamic-contrast-enhanced-and-diffusion-weighted-mri
#11
Yi-Fang Chen, Ang Yuan, Kuan-Hung Cho, Yi-Chien Lu, Mark Yen-Ping Kuo, Jyh-Horng Chen, Yeun-Chung Chang
This study aimed to investigate the therapeutic responses of lung cancer mice models with adenocarcinoma HCC827 (gefitinib sensitive) and HCC827R (gefitinib resistant) to the epidermal growth factor receptor-tyrosine kinase inhibitor erlotinib alone and in combination with the anti-angiogenesis agent bevacizumab using dynamic contrast enhanced (DCE) and diffusion-weighted MRI. In the HCC827 model, temporal changes in DCE-MRI derived parameters (Ktrans, kep, and iAUC90) and apparent diffusion coefficient (ADC) were significantly correlated with tumor size...
2017: PloS One
https://www.readbyqxmd.com/read/29118670/an-overview-of-the-role-of-platelets-in-angiogenesis-apoptosis-and-autophagy-in-chronic-myeloid-leukaemia
#12
REVIEW
Lisa Repsold, Roger Pool, Mohammed Karodia, Gregory Tintinger, Annie Margaretha Joubert
Amongst males, leukaemia is the most common cause of cancer-related death in individuals younger than 40 years of age whereas in female children and adolescents, leukaemia is the most common cause of cancer-related death. Chronic myeloid leukaemia (CML) is a chronic leukaemia of the haematopoietic stem cells affecting mostly adults. The disease results from a translocation of the Philadelphia chromosome in stem cells of the bone marrow. CML patients usually present with mild to moderate anaemia and with decreased, normal, or increased platelet counts...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/29118335/adam9-promotes-lung-cancer-progression-through-vascular-remodeling-by-vegfa-angpt2-and-plat
#13
Chen-Yuan Lin, Chia-Fong Cho, Shih-Ting Bai, Jing-Pei Liu, Ting-Ting Kuo, Li-Ju Wang, Yu-Sen Lin, Ching-Chan Lin, Liang-Chuan Lai, Tzu-Pin Lu, Chih-Ying Hsieh, Chin-Nan Chu, Da-Chuan Cheng, Yuh-Pyng Sher
Lung cancer has a very high prevalence of brain metastasis, which results in a poor clinical outcome. Up-regulation of a disintegrin and metalloproteinase 9 (ADAM9) in lung cancer cells is correlated with metastasis to the brain. However, the molecular mechanism underlying this correlation remains to be elucidated. Since angiogenesis is an essential step for brain metastasis, microarray experiments were used to explore ADAM9-regulated genes that function in vascular remodeling. The results showed that the expression levels of vascular endothelial growth factor A (VEGFA), angiopoietin-2 (ANGPT2), and tissue plasminogen activator (PLAT) were suppressed in ADAM9-silenced cells, which in turn leads to decreases in angiogenesis, vascular remodeling, and tumor growth in vivo...
November 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29116741/high-performance-plga-magnetic-microspheres-prepared-by-rotating-membrane-emulsification-for-transcatheter-arterial-embolization-and-magnetic-ablation-in-vx2-liver-tumors
#14
Yi-Jun Liang, Hui Yu, Guodong Feng, Linlin Zhuang, Wei Xi, Ming Ma, Jun Chen, Ning Gu, Yu Zhang
Interventional embolization is a popular minimally invasive vascular therapeutic technique and has been widely applied for hepatocellular carcinoma (HCC) therapy. However, harmful effects caused by transcatheter arterial chemoembolization (TACE) and radioembolization, such as the toxicity of chemotherapy or excessive radiation damage, are serious disadvantages and significantly reduce the therapeutic efficacy. Here, a synergistic therapeutic strategy combined transcatheter arterial embolization and magnetic ablation (TAEMA) by using PLGA-magnetic microspheres (MMs) has been successfully applied to orthotopic VX2 liver tumors of rabbits...
November 8, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29115583/unfavorable-effect-of-calcitriol-and-its-low-calcemic-analogs-on-metastasis-of-4t1-mouse-mammary-gland-cancer
#15
Artur Anisiewicz, Agata Pawlik, Beata Filip-Psurska, Eliza Turlej, Stanisław Dzimira, Magdalena Milczarek, Katarzyna Gdesz, Diana Papiernik, Joanna Jarosz, Dagmara Kłopotowska, Andrzej Kutner, Andrzej Mazur, Joanna Wietrzyk
Low vitamin D status is considered as a risk factor for breast cancer and has prognostic significance. Furthermore, vitamin D deficiency increases after adjuvant cancer therapy, which alters bone metabolism increasing the risk of osteoporosis. It is now postulated that vitamin D supplementation in breast cancer treatment delays the recurrence of cancer thereby extending survival. We evaluated the impact of calcitriol and its low-calcemic analogs, PRI‑2191 and PRI‑2205, on the tumor growth, angiogenesis, and metastasis of 4T1 mouse mammary gland cancer...
November 2, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/29113423/micrornas-in-lung-cancer
#16
REVIEW
Diana Castro, Márcia Moreira, Alexandra Monteiro Gouveia, Daniel Humberto Pozza, Ramon Andrade De Mello
Lung cancer (LC) is a serious public health problem responsible for the majority of cancer deaths and comorbidities in developed countries. Tobacco smoking is considered the main risk factor for LC; however, only a few smokers will be affected by this cancer. Current screening methods are focused on identifying the early stages of this malignancy. Thus, new data concerning the roles of microRNA alterations in inflammation, epithelial-mesenchymal transition and lung disease have increased hope about LC pathogenesis, diagnosis, treatment and prognosis...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29107691/antibiotic-bedaquiline-effectively-targets-growth-survival-and-tumor-angiogenesis-of-lung-cancer-through-suppressing-energy-metabolism
#17
Xiaomu Wu, Fajiu Li, Xiaojiang Wang, Chenghong Li, Qinghua Meng, Chuanhai Wang, Jie Huang, Shi Chen, Ziyang Zhu
Tumor angiogenesis plays essential roles during lung cancer progression and metastasis. Therapeutic agent that targets both tumor cell and vascular endothelial cell may achieve additional anti-tumor efficacy. We demonstrate that bedaquiline, a FDA-approved antibiotic drug, effectively targets lung cancer cells and angiogenesis. Bedaquiline dose-dependently inhibits proliferation and induces apoptosis of a panel of lung cancer cell lines regardless of subtypes and molecular heterogeneity. Bedaquiline also inhibits capillary network formation of human lung tumor associated-endothelial cell (HLT-EC) on Matrigel and its multiple functions, such as spreading, proliferation and apoptosis, even in the presence of vascular endothelial growth factor (VEGF)...
October 28, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29104463/plasma-levels-of-endothelial-cell-specific-molecule-1-as-a-potential-biomarker-of-oral-cancer-progression
#18
Wei-En Yang, Ming-Ju Hsieh, Chiao-Wen Lin, Chun-Ying Kuo, Shun-Fa Yang, Chun-Yi Chuang, Mu-Kuan Chen
In Taiwan, oral cancer is the fourth most common cancer and the most common malignancy with a poor prognosis. Endothelial cell-specific molecule-1 (ESM-1) is secreted by vascular endothelial cells in the liver, lungs, kidneys, and gastrointestinal tract. ESM-1 expression is associated with tumor prognosis, metastasis, and angiogenesis in many cancers. However, few studies have examined the association of plasma ESM-1 levels with oral squamous cell carcinoma (OSCC) progression. We measured the plasma ESM-1 levels of 438 male OSCC patients through a commercial enzyme-linked immunosorbent assay...
2017: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29104160/genome-wide-screen-for-micrornas-reveals-a-role-for-mir-203-in-melanoma-metastasis
#19
Warangkana Lohcharoenkal, Kunal Das Mahapatra, Lorenzo Pasquali, Caitrin Crudden, Lara Kular, Yeliz Z Akkaya Ulum, Lingyun Zhang, Ning Xu Landén, Leonard Girnita, Maja Jagodic, Mona Ståhle, Enikö Sonkoly, Andor Pivarcsi
Melanoma is one of the deadliest human cancers with no effective cure. MicroRNAs (miRNAs) are a class of small non-coding RNAs regulating gene expression post-transcriptionally. Here, we compared the miRNome of primary and metastatic melanomas in TCGA dataset and found lower miR-203 abundance in metastatic melanoma. Lower level of miR-203 is associated with poor overall survival in metastatic disease. We found that the methylation levels of several CpGs in the MIR203 promoter negatively correlated with miR-203 expression and that treatment with the demethylating agent 5-azaC induced miR-203 expression, which is associated with demethylation of promoter CpGs, in melanoma cell lines...
November 2, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/29100390/flna-is-implicated-in-pulmonary-neuroendocrine-tumors-aggressiveness-and-progression
#20
Eleonora Vitali, Ilena Boemi, Lorenzo Rosso, Valeria Cambiaghi, Pierluigi Novellis, Giovanna Mantovani, Anna Spada, Marco Alloisio, Giulia Veronesi, Stefano Ferrero, Andrea G Lania
Pulmonary neuroendocrine tumors (PNTs) comprise different neoplasms, ranging from low grade carcinoids to the highly malignant small cell lung cancers. Several studies identified the cytoskeleton protein Filamin A (FLNA) as determinant in cancer progression and metastasis, but the role of FLNA in PNT aggressiveness and progression is still unknown. We evaluated FLNA expression in PNTs with different grade of differentiation, the role of FLNA in cell proliferation, colony formation, angiogenesis, cell adhesion and migration in PNT cell line (H727 cells) and primary cultures and the possible interaction between FLNA and Rap1-GTPase...
September 29, 2017: Oncotarget
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