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https://www.readbyqxmd.com/read/28922017/effects-of-chronic-and-intermittent-calorie-restriction-on-adropin-levels-in-breast-cancer
#1
Bilge G Tuna, Pinar B Atalay, Mine Altunbek, Batuhan M Kalkan, Soner Dogan
Adropin is a peptide hormone that has been implicated in insulin resistance and as a potential regulator of growth. The aim of this study is to determine the effect of calorie restriction on circulating levels of adropin in the MMTV-TGFα breast cancer mouse model and investigate the effects of adropin peptide on the viability of MCF-7 and MDA-231 breast cancer cells in culture. Ten-week-old mice were assigned to either ad libitum-fed (AL), chronic calorie-restricted, or intermittent calorie-restricted groups...
September 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28921841/in-a-randomized-trial-in-prostate-cancer-patients-dietary-protein-restriction-modifies-markers-of-leptin-and-insulin-signaling-in-plasma-extracellular-vesicles
#2
Erez Eitan, Valeria Tosti, Caitlin N Suire, Edda Cava, Sean Berkowitz, Beatrice Bertozzi, Sophia M Raefsky, Nicola Veronese, Ryan Spangler, Francesco Spelta, Maja Mustapic, Dimitrios Kapogiannis, Mark P Mattson, Luigi Fontana
Obesity, metabolic syndrome, and hyperleptinemia are associated with aging and age-associated diseases including prostate cancer. One experimental approach to inhibit tumor growth is to reduce dietary protein intake and hence levels of circulating amino acids. Dietary protein restriction (PR) increases insulin sensitivity and suppresses prostate cancer cell tumor growth in animal models, providing a rationale for clinical trials. We sought to demonstrate that biomarkers derived from plasma extracellular vesicles (EVs) reflect systemic leptin and insulin signaling and respond to dietary interventions...
September 17, 2017: Aging Cell
https://www.readbyqxmd.com/read/28919743/nanovelcro-captured-ctc-number-concomitant-with-enhanced-serum-levels-of-mmp7-and-mmp9-enables-accurate-prediction-of-metastasis-and-poor-prognosis-in-patients-with-lung-adenocarcinoma
#3
Yu Sun, Yangshan Chen, Shuhua Li, Yiyan Lei, Di Xu, Neng Jiang, Yang Zhang, Jessica Cao, Zunfu Ke
Lung adenocarcinoma (LADC) is among the most malignant cancers that frequently develops micrometastases even in early stages of the disease. Circulating tumor cell (CTC) number, matrix metalloproteinase (MMP) 7, and MMP9 show great prospects as predictive biomarkers in many tumors. However, the interactions between these biomarkers and the molecular basis of their roles in the metastasis and prognosis of LADC remain unclear. The present study revealed that an elevated CTC count and overexpression of MMP7 and MMP9 correlate with metastasis and clinical progression in LADC patients (n=143)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28919351/suspension-state-increases-reattachment-of-breast-cancer-cells-by-up-regulating-lamin-a-c
#4
Xiaomei Zhang, Yonggang Lv
Extravasation is a rate-limiting step of tumor metastasis, for which adhesion to endothelium of circulating tumor cells (CTCs) is the prerequisite. The suspension state of CTCs undergoing detachment from primary tumor is a persistent biomechanical cue, which potentially regulates the biophysical characteristics and cellular behaviors of tumor cells. In this study, breast tumor cells MDA-MB-231 in suspension culture condition were used to investigate the effect of suspension state on reattachment of CTCs. Our study demonstrated that suspension state significantly increased the adhesion ability of breast tumor cells...
September 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28918288/th9-cells-promote-antitumor-immunity-via-il-9-and-il-21-and-demonstrate-atypical-cytokine-expression-in-breast-cancer
#5
Fa-Ping You, Jian Zhang, Tao Cui, Rui Zhu, Chong-Qing Lv, Hai-Tao Tang, Di-Wen Sun
Breast cancer is a major cause of cancer-related death in women. Antitumor T cell responses play critical therapeutic roles, including direct cytotoxicity mediated by CD8(+) T cells and immunomodulatory roles mediated by CD4(+) T cells. The IL-9-expressing Th9 cells are recently found to present antitumor immunity in melanoma and lung adenocarcinoma. In this study, we found that IL-9 expression in the serum and in circulating CD4(+) T cells were significantly upregulated in breast cancer patients compared to healthy controls...
September 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28918054/rapid-and-sensitive-detection-of-breast-cancer-cells-in-patient-blood-with-nuclease-activated-probe-technology
#6
Sven Kruspe, David D Dickey, Kevin T Urak, Giselle N Blanco, Matthew J Miller, Karen C Clark, Elliot Burghardt, Wade R Gutierrez, Sneha D Phadke, Sukriti Kamboj, Timothy Ginader, Brian J Smith, Sarah K Grimm, James Schappet, Howard Ozer, Alexandra Thomas, James O McNamara, Carlos H Chan, Paloma H Giangrande
A challenge for circulating tumor cell (CTC)-based diagnostics is the development of simple and inexpensive methods that reliably detect the diverse cells that make up CTCs. CTC-derived nucleases are one category of proteins that could be exploited to meet this challenge. Advantages of nucleases as CTC biomarkers include: (1) their elevated expression in many cancer cells, including cells implicated in metastasis that have undergone epithelial-to-mesenchymal transition; and (2) their enzymatic activity, which can be exploited for signal amplification in detection methods...
September 15, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28917595/perioperative-and-oncologic-outcomes-of-nephrectomy-and-caval-thrombectomy-using-extracorporeal-circulation-and-deep-hypothermic-circulatory-arrest-for-renal-cell-carcinoma-invading-the-supradiaphragmatic-inferior-vena-cava-and-or-right-atrium
#7
Alessandro Nini, Umberto Capitanio, Alessandro Larcher, Paolo Dell'Oglio, Federico Dehò, Nazareno Suardi, Fabio Muttin, Cristina Carenzi, Massimo Freschi, Roberta Lucianò, Giovanni La Croce, Alberto Briganti, Renzo Colombo, Andrea Salonia, Alessandro Castiglioni, Patrizio Rigatti, Francesco Montorsi, Roberto Bertini
BACKGROUND: Radical nephrectomy (RN) and caval thrombectomy (CT) for renal cell carcinoma, with extracorporeal circulation (ECC) and deep hypothermic circulatory arrest (DHCA) is a challenging surgical approach. OBJECTIVE: To assess peri-operative and oncologic outcomes of renal cell carcinoma patients treated with RN and CT, using ECC and DHCA. DESIGN, SETTING, AND PARTICIPANTS: We retrospectively evaluated 46 patients who underwent RN and CT using ECC and DHCA...
September 13, 2017: European Urology
https://www.readbyqxmd.com/read/28916277/circulating-tumor-cell-as-a-biomarker-for-evaluating-allogenic-nk-cell-immunotherapy-on-stage-%C3%A2-non-small-cell-lung-cancer
#8
Mao Lin, Shu-Zhen Liang, Jian Shi, Li-Zhi Niu, Ji-Bing Chen, Ming-Jie Zhang, Ke-Cheng Xu
In this study, we determined the number of peripheral blood circulating tumor cells (CTCs) pre- and post-NK in patients with stage Ⅳ non- small cell lung cancer (NSCLC) as a reference for understanding the relevance of any changes to the efficacy of NK cells therapy. The patients were given one to three courses of immunotherapy.CTC numbers and CTC-related gene expression were measured in the peripheral blood of 31 patients with stage Ⅳ NSCLC at 1day before and 7 and 30 d after NK cells therapy using magnetic activated cell sorting (MACS) and fluorescence activated cell sorting (FACS) combined with real-time quantitative PCR (RT-qPCR)...
September 12, 2017: Immunology Letters
https://www.readbyqxmd.com/read/28915599/copy-number-variations-of-circulating-cell-free-dna-in-urothelial-carcinoma-of-the-bladder-patients-treated-with-radical-cystectomy-a-prospective-study
#9
Armin Soave, Felix K-H Chun, Timo Hillebrand, Michael Rink, Lars Weisbach, Bettina Steinbach, Margit Fisch, Klaus Pantel, Heidi Schwarzenbach
The aim of the present study was to establish a rapid profiling method using multiplex ligation-dependent probe amplification (MLPA) and characterize copy number variations (CNV) in circulating, cell-free DNA (cfDNA) in 85 urothelial carcinoma of the bladder (UCB) patients treated with radical cystectomy (RC). MLPA was tested for the use of cfDNA extracted from serum and plasma by various commercial extraction kits. Eighteen probes served as reference to control denaturation, ligation and amplification efficiency...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28911924/sialyl-tn-identifies-muscle-invasive-bladder-cancer-basal-and-luminal-subtypes-facing-decreased-survival-being-expressed-by-circulating-tumor-cells-and-metastases
#10
Luís Lima, Manuel Neves, Marta I Oliveira, Lorena Dieguez, Rui Freitas, Rita Azevedo, Cristiana Gaiteiro, Janine Soares, Dylan Ferreira, Andreia Peixoto, Elisabete Fernandes, Diana Montezuma, Ana Tavares, Ricardo Ribeiro, Ana Castro, Manuel Oliveira, Avelino Fraga, Celso A Reis, Lúcio Lara Santos, José Alexandre Ferreira
OBJECTIVES: To evaluate the potential of sialyl-Tn (STn), a cancer-associated glycan antigen present in membrane glycoproteins, to improve a recent molecular model for stratification and prognostication of advanced stage bladder tumors based on keratins (KRT14, 5, and 20) expression. In addition, determine the association between STn and disease dissemination based on the evaluation of circulating tumor cells (CTCs) and the metastasis, which is a critical matter to improve patient management...
September 11, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28911086/large-scale-prospective-screening-of-egfr-mutations-in-the-blood-of-advanced-nsclc-patients-to-guide-treatment-decisions
#11
C Mayo-de-Las-Casas, N Jordana-Ariza, M Garzón-Ibañez, A Balada-Bel, J Bertrán-Alamillo, S Viteri-Ramírez, N Reguart, M A Muñoz-Quintana, P Lianes-Barragan, C Camps, E Jantús, J Remon-Massip, S Calabuig, D Aguiar, M L Gil, N Viñolas, A K Santos-Rodríguez, M Majem, B García-Peláez, S Villatoro, A Pérez-Rosado, J C Monasterio, E Ovalle, M J Catalán, R Campos, D Morales-Espinosa, A Martínez-Bueno, M González-Cao, X González, I Moya-Horno, A E Sosa, N Karachaliou, R Rosell, M A Molina-Vila
Background: In a significant percentage of advanced non-small-cell lung cancer (NSCLC) patients, tumor tissue is unavailable or insufficient for genetic analyses. We prospectively analyzed if circulating-free DNA (cfDNA) purified from blood can be used as a surrogate in this setting to select patients for treatment with epidermal growth factor receptor tyrosine kinase inhibitors (EGFR-TKIs). Patients and methods: Blood samples were collected in 119 hospitals from 1138 advanced NSCLC patients at presentation (n = 1033) or at progression to EGFR-TKIs (n = 105) with no biopsy or insufficient tumor tissue...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28911069/clinical-utility-of-circulating-dna-analysis-for-rapid-detection-of-actionable-mutations-to-select-metastatic-colorectal-patients-for-anti-egfr-treatment
#12
A R Thierry, S El Messaoudi, C Mollevi, J L Raoul, R Guimbaud, D Pezet, P Artru, E Assenat, C Borg, M Mathonnet, C De La Fouchardière, O Bouché, C Gavoille, C Fiess, B Auzemery, R Meddeb, E Lopez-Crapez, C Sanchez, B Pastor, M Ychou
Background: While tumor-tissue remains the 'gold standard' for genetic analysis in cancer patients, it is challenged with the advent of circulating cell-free tumor DNA (ctDNA) analysis from blood samples. Here, we broaden our previous study on the clinical validation of plasma DNA in metastatic colorectal cancer patients, by evaluating its clinical utility under standard management care. Patients and methods: Concordance and data turnaround-time of ctDNA when compared with tumor-tissue analysis were studied in a real-time blinded prospective multicenter clinical study (n = 140 metastatic colorectal patients)...
September 1, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28910951/-the-detection-of-circulating-tumor-cell-in-patients-with-liver-cancer
#13
X Liang, Y Y Xie
No abstract text is available yet for this article.
September 12, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28906427/biological-pathways-involved-in-tumor-angiogenesis-and-bevacizumab-based-anti-angiogenic-therapy-with-special-references-to-ovarian-cancer
#14
REVIEW
Vera Loizzi, Vittoria Del Vecchio, Giulio Gargano, Maria De Liso, Anila Kardashi, Emanuele Naglieri, Leonardo Resta, Ettore Cicinelli, Gennaro Cormio
The creation of new blood vessels from existing ones, which is a mechanism called "angiogenesis", is essential in cancer to supply cancerous growth. Moreover, the development and the progression of the tumor and its metastases are the result of an efficient vascular response. Cancer cells release and activate different angiogenic growth factors and their receptors in the tumor microenvironment to promote the angiogenic process. The most important pro-angiogenic factor is the "Vascular Endothelial Growth Factor" (VEGF) because of its mitogen activity on vascular endothelium...
September 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28904891/clinical-utility-of-circulating-tumor-cells-in-patients-with-non-small-cell-lung-cancer
#15
REVIEW
Marianna Gallo, Antonella De Luca, Monica Rosaria Maiello, Amelia D'Alessio, Claudia Esposito, Nicoletta Chicchinelli, Laura Forgione, Maria Carmela Piccirillo, Gaetano Rocco, Alessandro Morabito, Gerardo Botti, Nicola Normanno
Several different studies have addressed the role of the circulating tumor cells (CTC) in non-small-cell lung cancer (NSCLC). In particular, the potential of CTC analysis in the early diagnosis of NSCLC and in the prediction of the outcome of patients with early and advanced NSCLC have been explored. A major limit of these studies is that they used different techniques for CTC isolation and enumeration, they employed different thresholds to discriminate between high- and low-risk patients, and they enrolled heterogeneous and often small cohort of patients...
August 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28904890/biophysical-technologies-for-understanding-circulating-tumor-cell-biology-and-metastasis
#16
REVIEW
Derrick W Su, Jorge Nieva
An understanding of cancer evolution in lung cancer with its associated resistance to therapy can only be achieved with repeated sampling and analysis of the cancer. Given the high risks and costs associated with repeat physical biopsy, alternative technologies must be applied. Several modalities exist for analysis and re-analysis of cancer biology. Among them are the CellSearch platform, the CTC chip, and the high-definition CTC platform. While the former is primarily able to provide prognosticating information in the form of CTC enumeration, the latter two have the advantage of serving as a platform to study tumor biology...
August 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28904889/challenges-and-unanswered-questions-for-the-next-decade-of-circulating-tumour-cell-research-in-lung-cancer
#17
REVIEW
Sumitra Mohan, Francesca Chemi, Ged Brady
Since blood borne circulating tumour cells (CTCs) initially shed from the primary tumour can seed and initiate metastasis at distant sites a better understanding of the biology of CTCs and their dissemination could provide valuable information that could guide therapeutic intervention and real time monitoring of disease progression. Although CTC enumeration has provided a reliable prognostic readout for a number of cancers, including lung cancer, the precise clinical utility of CTCs remains to be established...
August 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28904888/routine-clinical-use-of-circulating-tumor-cells-for-diagnosis-of-mutations-and-chromosomal-rearrangements-in-non-small-cell-lung-cancer-ready-for-prime-time
#18
REVIEW
Emma Pailler, Vincent Faugeroux, Marianne Oulhen, Cyril Catelain, Françoise Farace
In non-small cell lung cancer (NSCLC), diagnosis of predictive biomarkers for targeted therapies is currently done in small tumor biopsies. However, tumor biopsies can be invasive, in some cases associated with risk, and tissue adequacy, both in terms of quantity and quality is often insufficient. The development of efficient and non-invasive methods to identify genetic alterations is a key challenge which circulating tumor cells (CTCs) have the potential to be exploited for. CTCs are extremely rare and phenotypically diverse, two characteristics that impose technical challenges and impact the success of robust molecular analysis...
August 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28904887/biology-and-clinical-significance-of-circulating-tumor-cell-subpopulations-in-lung-cancer
#19
REVIEW
Linda O'Flaherty, Harriet Wikman, Klaus Pantel
By identifying and tracking genetic changes in primary tumors and metastases, patients can be stratified for the most efficient therapeutic regimen by screening for known biomarkers. However, retrieving tissues biopsies is not always feasible due to tumor location or risk to patient. Therefore, a liquid biopsies approach offers an appealing solution to an otherwise invasive procedure. The rapid growth of the liquid biopsy field has been aided by improvements in the sensitivity and specificity of enrichment assays for isolating circulating tumor cells (CTCs) from normal surrounding blood cells...
August 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28904886/circulating-tumor-cell-interactions-with-macrophages-implications-for-biology-and-treatment
#20
REVIEW
Gerhard Hamilton, Barbara Rath
Cancer and metastasis are closely associated with inflammation. Macrophages are important effector cells in enhancing tumor proliferation, invasion and providing protection against the immune system. Despite advanced knowledge of tumor-macrophage interactions, the role of macrophages in emergence and invasion of circulating tumor cells (CTCs) is not known. A series of six CTC cell lines have been derived from blood of patients with extensive disease small cell lung cancer (ED-SCLC) in our lab, most likely representing a homogenous cell population of the actual metastasis-initiating cells (MIC) of CTCs...
August 2017: Translational Lung Cancer Research
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