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https://www.readbyqxmd.com/read/28730765/prognostic-role-of-inflammatory-biomarkers-in-metastatic-breast-cancer
#1
Ibrahim Petekkaya, Ozan Unlu, Emir C Roach, Gizem Gecmez, Alexis K Okoh, Taner Babacan, Furkan Sarici, Ozge Keskin, Cagatay Arslan, Emine Petekkaya, Ali R Sever, Kadri Altundag
PURPOSE: The effects of inflammation on the prognosis, life expectancy and several parameters such as response to treatment of breast cancer have been previously studied. The purpose of this study was to investigate the effect of inflammatory markers on prognosis in patients with metastatic breast cancer. METHODS: This study was conducted on 81 patients with metastatic breast cancer who have been followed up at the Department of Medical Oncology, Hacettepe University Institute of Oncology, between December, 2009 and March, 2014...
May 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28730333/identification-of-a-novel-leukemic-specific-splice-variant-of-dnmt3b-and-its-stability
#2
Prachi Singh, Sarvagalla Sailu, Elango Palchamy, Mohane Selvaraj Coumar, Sudhakar Baluchamy
DNA methyltransferases make use of alternative splicing mechanism to generate various splice variants, but their role(s) in modulating DNA methylation patterns in the cells is unclear. Notably, DNMT3B alone contains nearly 40 different splice variants. In this study, we have identified a novel splice variant of DNMT3B, which lacks exon 7 and 10 from leukemic cell lines which we termed as DNMT3B9. The exon 7 codes for the major part of PWWP domain, and exon 10 inclusion serves as a pluripotent marker. By quantitative RT-PCR using exon-exon junction-specific primers, we showed higher level of DNMT3B9 transcripts in several leukemic cell lines...
August 2017: Medical Oncology
https://www.readbyqxmd.com/read/28727134/biological-markers-with-potential-clinical-value-in-endometrial-cancer-review-of-the-literature
#3
Nadia Taoussi, Ali Alghamdi, Konrad Futyma, Tomasz Rechberger
Endometrial carcinoma (EC) is the most common malignancy of the female genital tract encountered in western countries, making it the fourth most common cancer in women. The incidence of uterine cancer is on the rise throughout the developed world where diagnosis is increasingly observed among younger patients. With regard to this, attention has been focused on conducting more studies to achieve a better understanding of the molecular genetics related to endometrial carcinogenesis. Over the years, EC has been classified into two broad histopathological subtypes based on the mechanism of development, and we can therefore observe specific biomarkers related to the respective subtype...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28726491/interview-with-thomas-powles-the-use-of-durvalumab-in-urothelial-cancer-the-latest-strides-in-immuno-oncology
#4
Thomas Powles
Thomas Powles speaks to Sebastian Dennis-Beron, Commissioning Editor: Dr. Thomas Powles is a clinical professor of genitourinary oncology and the lead for solid tumor research at Barts Cancer Institute in London. His main research interests are in genital and urinary cancers, in which he leads a spectrum of clinical studies from Phase I to randomized Phase III investigating novel targeted and immune therapies. His research also focuses on correlation of novel biomarkers and aims to define markers with prognostic value that may predict response or resistance to therapy...
July 20, 2017: Future Oncology
https://www.readbyqxmd.com/read/28725964/toward-early-detection-of-helicobacter-pylori-associated-gastric-cancer
#5
Rachel Walker, Jan Poleszczuk, Jaime Mejia, Jae K Lee, Jose M Pimiento, Mokenge Malafa, Anna R Giuliano, Heiko Enderling, Domenico Coppola
BACKGROUND: Gastric cancer is typically diagnosed at a late stage, leading to poor prognoses. Helicobacter pylori is responsible for 70% of gastric cancers globally, and patients with this bacterial infection often present with early stages of the carcinogenic pathway such as inflammation or gastritis. Although many patients continue to progress to advanced-stage disease after antibacterial treatment, there are no follow-up screening protocols for patients with a history of H. pylori...
July 19, 2017: Gastric Cancer
https://www.readbyqxmd.com/read/28725482/systems-biology-driving-drug-development-from-design-to-the-clinical-testing-of-the-anti-erbb3-antibody-seribantumab-mm-121
#6
REVIEW
Birgit Schoeberl, Art Kudla, Kristina Masson, Ashish Kalra, Michael Curley, Gregory Finn, Emily Pace, Brian Harms, Jaeyeon Kim, Jeff Kearns, Aaron Fulgham, Olga Burenkova, Viara Grantcharova, Defne Yarar, Violette Paragas, Jonathan Fitzgerald, Marisa Wainszelbaum, Kip West, Sara Mathews, Rachel Nering, Bambang Adiwijaya, Gabriela Garcia, Bill Kubasek, Victor Moyo, Akos Czibere, Ulrik B Nielsen, Gavin MacBeath
The ErbB family of receptor tyrosine kinases comprises four members: epidermal growth factor receptor (EGFR/ErbB1), human EGFR 2 (HER2/ErbB2), ErbB3/HER3, and ErbB4/HER4. The first two members of this family, EGFR and HER2, have been implicated in tumorigenesis and cancer progression for several decades, and numerous drugs have now been approved that target these two proteins. Less attention, however, has been paid to the role of this family in mediating cancer cell survival and drug tolerance. To better understand the complex signal transduction network triggered by the ErbB receptor family, we built a computational model that quantitatively captures the dynamics of ErbB signaling...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28725148/isolation-biological-evaluation-and-validated-hptlc-quantification-of-the-marker-constituent-of-the-edible-saudi-plant-sisymbrium-irio-l
#7
Shaza M Al-Massarani, Ali A El Gamal, Perwez Alam, Ebtesam S Al-Sheddi, Mai M Al-Oqail, Nida N Farshori
Phytochemical investigation and chromatographic purification of the n-hexane fraction of the aerial parts of the edible Saudi plant Sisymbrium irio led to the isolation of β-sitosterol (1), stigmasterol (2) and β-sitosterol-β-d-glucoside (3). The cytotoxic effects of the n-hexane, dichloromethane, ethyl acetate and n-butanol fractions were tested against three cancer cell lines viz., MCF-7, HCT-116 and HepG2, using the crystal violet staining (CVS) method, while the antibacterial activity against a number of pathogenic bacterial strains, was also estimated using the broth microdilution assay...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28724284/inter-alpha-inhibitor-h4-as-a-potential-biomarker-predicting-the-treatment-outcomes-in-patients-with-hepatocellular-carcinoma
#8
Eun-Jung Lee, Seung-Hyun Yang, Kyoung-Jin Kim, Hyejung Cha, Seo Jin Lee, Ji-Hye Kim, Junkyu Song, Kyung-Hee Chun, Jinsil Seong
Purpose: Early prediction of treatment outcomes represents an essential step towards increased treatment efficacy and survival in patients with hepatocellular carcinoma (HCC). In this study, we performed two-dimensional electrophoresis (2-DE) followed by protein profiling to identify biomarkers predictive of therapeutic outcomes in patients with HCC who received liver-directed therapy (LDTx) involving local radiotherapy (RT), and studied the underlying mechanisms of the identified proteins...
July 17, 2017: Cancer Research and Treatment: Official Journal of Korean Cancer Association
https://www.readbyqxmd.com/read/28723655/long-non-coding-rna-tug1-as-a-potential-prognostic-biomarker-in-human-cancers-a-meta-analysis
#9
Peng-Ju Ma, Qing-Kai Guan, Lei Meng, Nan Qin, Jia Zhao, Bao-Zhe Jin
LncRNA taurine upregulated gene 1 (TUG1) is reportedly dysregulated in various cancers. We performed this meta-analysis to clarify the usefulness of TUG1 as a prognostic marker in malignant tumors. The PubMed, Medline, OVID, Cochrane Library, and Web of Science databases were searched from inception to Jan 11, 2017. Hazard ratios (HRs) and 95% confidence intervals (CIs) were calculated to explore the relationship between TUG1 expression and overall survival (OS). Odds ratios (ORs) were calculated to assess the association between TUG1 expression and pathological parameters...
July 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28723610/pediatric-reference-intervals-for-29-ortho-vitros-5600-immunoassays-using-the-caliper-cohort-of-healthy-children-and-adolescents
#10
Victoria Higgins, Angela W S Fung, Man Khun Chan, Joseph Macri, Khosrow Adeli
BACKGROUND: Accurate reference intervals (RIs) based on a healthy pediatric population are essential for pediatric test result interpretation. The CALIPER project has recruited a large healthy cohort and completed a series of a priori studies to address gaps in pediatric RIs. As immunoassays from different manufacturers for endocrine and special chemistry markers are not standardized and show marked intermethod differences, direct RI studies are needed for each major analytical platform...
July 19, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28722438/graphene-oxide-upconversion-nanoparticle-based-optical-sensors-for-targeted-detection-of-mrna-biomarkers-present-in-alzheimer-s-disease-and-prostate-cancer
#11
Patrick Vilela, Afaf El-Sagheer, Timothy M Millar, Tom Brown, Otto L Muskens, Antonios G Kanaras
The development of new sensors for the accurate detection of biomarkers in biological fluids is of utmost importance for the early diagnosis of diseases. Next to advanced laboratory techniques, there is a need for relatively simple methods which can significantly broaden the availability of diagnostic capability. Here, we demonstrate the successful application of a sensor platform based on graphene oxide and upconversion nanoparticles (NPs) for the specific detection of mRNA-related oligonucleotide markers in complex biological fluids...
January 27, 2017: ACS Sensors
https://www.readbyqxmd.com/read/28722341/proteomic-analysis-of-neuroblastoma-derived-exosomes-new-insights-into-a-metastatic-signature
#12
Marta Colletti, Andrea Petretto, Angela Galardi, Virginia Di Paolo, Luigi Tomao, Chiara Lavarello, Elvira Inglese, Maurizio Bruschi, Ana Amor Lopez, Luisa Pascucci, Birgit Geoerger, Hector Peinado, Locatelli Franco, Di Giannatale Angela
Neuroblastoma (NB) is the most common extracranial pediatric solid tumor. Around 70% of patients with metastatic disease at diagnosis present bone-marrow infiltration, which is considered a marker of poor outcome; however, the mechanism underlying this specific tropism has to be elucidated. Tumor-derived exosomes may support metastatic progression in several tumors by interacting with the microenvironment, and may serve as tumor biomarkers. The main objective of this study was to identify an exosomal signature associated with NB metastatic bone-marrow dissemination...
July 19, 2017: Proteomics
https://www.readbyqxmd.com/read/28721066/clinical-importance-of-serum-he4-and-mmp2-levels-in-endometrial-cancer-patients
#13
Aneta Cymbaluk-Płoska, Anita Chudecka-Głaz, Ewa Pius-Sadowska, Agnieszka Sompolska-Rzechuła, Bogusław Machaliński, Anna Surowiec, Janusz Menkiszak
INTRODUCTION: Endometrial cancer is the one of the most common cancers of the genital organ. HE4 and MMP2 are both proteins whose serum levels increase in endometrial cancer. AIM: To explore the diagnostic potential of the serum levels of HE4 and MMP2 in patients with endometrial cancer and benign endometrial diseases. To assess the relationship between the serum levels of HE4 and MMP2 and the typical prognostic factors in patients with endometrial cancer. MATERIALS AND METHODS: Included in the study was a group of 112 patients presenting with bleeding abnormalities at the Pomeranian Medical University in years 2012-2016...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28721039/top-down-nanofabrication-of-silicon-nanoribbon-field-effect-transistor-si-nr-fet-for-carcinoembryonic-antigen-detection
#14
Zengtao Bao, Jialin Sun, Xiaoqian Zhao, Zengyao Li, Songkui Cui, Qingyang Meng, Ye Zhang, Tong Wang, Yanfeng Jiang
Sensitive and quantitative detection of tumor markers is highly required in the clinic for cancer diagnosis and consequent treatment. A field-effect transistor-based (FET-based) nanobiosensor emerges with characteristics of being label-free, real-time, having high sensitivity, and providing direct electrical readout for detection of biomarkers. In this paper, a top-down approach is proposed and implemented to fulfill a novel silicon nano-ribbon FET, which acts as biomarker sensor for future clinical application...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28720900/low-frequency-ultrasound-induced-vegf-suppression-and-synergy-with-dendritic-cell-mediated-anti-tumor-immunity-in-murine-prostate-cancer-cells-in-vitro
#15
Wei Zhang, Wen-De Shou, Yan-Jun Xu, Wen-Kun Bai, Bing Hu
High tumor vascular endothelial growth factor (VEGF) levels are associated with poor treatment outcomes in prostate cancer (PCa), and immune deficiency in the PCa microenvironment, especially suppression of dendritic cell (DC) proliferation, has been confirmed. In this study, we (1) investigated whether VEGF participates in DC suppression in murine PCa cells (RM-1), (2) down-regulated VEGF expression using low-frequency ultrasound and microbubbles (UM), and (3) further explored any synergistic effect on immunological activation...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720841/novel-immunohistochemistry-based-signatures-to-predict-metastatic-site-of-triple-negative-breast-cancers
#16
Sergey Klimov, Padmashree Cg Rida, Mohammed A Aleskandarany, Andrew R Green, Ian O Ellis, Emiel Am Janssen, Emad A Rakha, Ritu Aneja
BACKGROUND: Although distant metastasis (DM) in breast cancer (BC) is the most lethal form of recurrence and the most common underlying cause of cancer related deaths, the outcome following the development of DM is related to the site of metastasis. Triple negative BC (TNBC) is an aggressive form of BC characterised by early recurrences and high mortality. Athough multiple variables can be used to predict the risk of metastasis, few markers can predict the specific site of metastasis...
July 18, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28719245/production-of-a-mouse-monoclonal-antibody-against-mortalin-by-whole-cell-immunization
#17
Marzieh Rezaei, Abbas Ghaderi
Pancreatic carcinoma is the fourth leading cause of cancer death and is characterized by early invasion and metastasis. Advances in molecular biology directed new strategies in targeted therapy using monoclonal antibodies. To identify new biomarkers, we generated a panel of monoclonal antibodies against the newly established cell line, Faraz-ICR, from a patient with acinar cell carcinoma. After immunization of BALB/c female mice with Faraz-ICR cell line and fusion of splenocytes with SP2/0 myeloma cell line, high reactive hybridoma producing antibodies to Faraz-ICR were detected using enzyme-linked immunosorbent assay, immunofluorescence staining and flow cytometry...
July 18, 2017: Monoclonal Antibodies in Immunodiagnosis and Immunotherapy
https://www.readbyqxmd.com/read/28717416/feasibility-of-urinary-extracellular-vesicle-proteome-profiling-using-a-robust-and-simple-clinically-applicable-isolation-method
#18
Irene V Bijnsdorp, Olga Maxouri, Aarzo Kardar, Tim Schelfhorst, Sander R Piersma, Thang V Pham, Andre Vis, R Jeroen van Moorselaar, Connie R Jimenez
Extracellular vesicles (EVs) secreted by prostate cancer (PCa) cells contain specific biomarkers and can be isolated from urine. Collection of urine is not invasive, and therefore urinary EVs represent a liquid biopsy for diagnostic and prognostic testing for PCa. In this study, we optimised urinary EV isolation using a method based on heat shock proteins and compared it to gold-standard ultracentrifugation. The urinary EV isolation protocol using the Vn96-peptide is easier, time convenient (≈1.5 h) and no special equipment is needed, in contrast to ultracentrifugation protocol (>3...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28713682/predictive-biomarkers-of-immunotherapy-for-non-small-cell-lung-cancer-results-from-an-experts-panel-meeting-of-the-italian-association-of-thoracic-oncology
#19
REVIEW
Cesare Gridelli, Andrea Ardizzoni, Massimo Barberis, Federico Cappuzzo, Francesca Casaluce, Romano Danesi, Giancarlo Troncone, Filippo De Marinis
Unleashing the potential of immune system to fight cancer has become one of the main promising treatment modalities for advanced non-small cell lung cancer (NSCLC). The knowledge of numerous factors that come into play in the cancer-immunity cycle provide a wide range of potential therapeutic targets, including monoclonal antibodies that inhibits the programmed death-1 (PD-1) checkpoint pathway. Over the last two years, nivolumab, pembrolizumab and atezolizumab received approval for treatment of pretreated advanced NSCLC, and more recently, immunotherapy with pembrolizumab is the new standard of care as first-line in patients with high levels of programmed death-ligand 1 (PD-L1) expression...
June 2017: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/28712427/depression-inflammation-and-epidermal-growth-factor-receptor-egfr-status-in-metastatic-non-small-cell-lung-cancer-a-pilot-study
#20
Jamie M Jacobs, Lara Traeger, Justin Eusebio, Naomi M Simon, Lecia V Sequist, Joseph A Greer, Jennifer S Temel, William F Pirl
OBJECTIVE: Patients with stage IV non-small cell lung cancer (NSCLC) have high risk for depressive symptoms and major depressive disorder (MDD); however, those with epidermal growth factor receptor (EGFR) mutations may have decreased risk. The biological underpinning of this relationship is unknown. We examined differences in depression severity and MDD in patients with newly diagnosed stage IV NSCLC based on EGFR mutation status, and examined proinflammatory cytokines and growth factors known to play a role in cancer progression and depression...
August 2017: Journal of Psychosomatic Research
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