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https://www.readbyqxmd.com/read/29036787/evaluation-of-serum-ccl18-as-a-potential-biomarker-for-ovarian-cancer
#1
Linjing Yuan, Jianxin Wan, Chumei Huang, Jingjing Liang, Min Liu, Caifeng Yue, Laisheng Li
BACKGROUND: Early detection and differentiation diagnosis of a pelvic mass (PM) is crucial in improving the prognosis of patients with epithelial ovarian cancer (EOC). C-C motif chemokine ligand 18 (CCL18) was reported as a chemokine-mediated tumor-related inflammation that can be detected in serum and may correlate with cancer patients' prognosis. OBJECTIVE: We performed this study to investigate the relationship between CCL18 levels and clinical characteristics of EOC patients, and to explore their diagnostic and prognostic values...
September 29, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29036786/pancreatic-cancer-and-associated-exosomes
#2
Chengfei Zhao, Feng Gao, Shaohuang Weng, Qicai Liu
Pancreatic cancers with poor prognosis are highly malignant, readily metastatic and of immune tolerance, mainly due to delayed detection. The metastatic progression and immune tolerance of pancreatic cancer is greatly attributed to the intercellular communication. However, exosomes are deemed to be the most important tool of intercellular communicators. Thus, we present a review of pancreatic cancer and exosomes in this article. We intensively summarize the progress of early pancreatic cancer and the relationship of the proliferation, progression and metastasis of pancreatic cancer and pancreatic cancer-derived exosomes, and propose new ideas of the study of pancreatic cancer...
September 29, 2017: Cancer Biomarkers: Section A of Disease Markers
https://www.readbyqxmd.com/read/29036489/training-community-health-workers-to-promote-breast-cancer-screening-in-brazil
#3
Lorna Bittencourt, Isabel C Scarinci
Although it has been show that early detection through mammograms is the most effective way to reduce breast cancer mortality, breast cancer is the leading cause of cancer deaths among women worldwide with survival rates being even lower in low- and middle-income countries as compared to high-income countries. Despite the availability of breast cancer screening programs in Brazil through the public health system, some women do not participate in these programs due to structural and/or inter/intrapersonal barriers...
September 26, 2017: Health Promotion International
https://www.readbyqxmd.com/read/29035737/rethinking-liquid-biopsy-microfluidic-assays-for-mobile-tumor-cells-in-human-body-fluids
#4
REVIEW
Kuang Hong Neoh, Ayon Ahmed Hassan, Anqi Chen, Yukun Sun, Peng Liu, Kai-Feng Xu, Alice S T Wong, Ray P S Han
Traditionally, liquid biopsy is a blood test involving the harvesting of tumor materials from peripheral blood. Tumor cells from non-blood body fluids have always been clinically available in cytological examinations but limited for use in differential diagnosis due to the low sensitivity of conventional cytopathology. With the recent significant progress in microfluidic and downstream molecular technologies, liquid biopsies have now evolved to include harvesting tumor cells and DNA fragments in all kinds of non-blood body fluids...
October 3, 2017: Biomaterials
https://www.readbyqxmd.com/read/29035458/concordance-of-mutation-detection-in-circulating-tumor-dna-in-early-clinical-trials-using-different-blood-collection-protocols
#5
Lise B Ahlborn, Mette Madsen, Lars Jonson, Finn C Nielsen, Ulrik Lassen, Christina W Yde, Morten Mau-Sorensen
BACKGROUND: Small fragments of tumor DNA can be found in the circulation of cancer patients, providing a noninvasive access to tumor material (liquid biopsy). Analysis of circulating tumor DNA (ctDNA) has been used for diagnosis, treatment decisions, and detection of therapy resistance, including in patients with tumors inaccessible for biopsy, making ctDNA an important alternative source of tumor material. Immediate separation of plasma is widely used in standard isolation of cell-free DNA to ensure high quality plasma DNA...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29035457/evaluation-of-mir-203-expression-levels-and-dna-promoter-methylation-status-in-serum-of-patients-with-endometrial-cancer
#6
Marco Benati, Martina Montagnana, Elisa Danese, Elisa Paviati, Silvia Giudici, Massimo Franchi, Giuseppe Lippi
BACKGROUND: Endometrial cancer (EC) is currently considered the fourth most frequent female cancer in Europe. In an attempt to achieve an early diagnosis, many studies have identified some putative biomarkers for gynecologic cancers, including circulating microRNAs (miRs) and aberrant promoter methylation status. Previous studies which have investigated miR-203 expression profiles in EC tissues and normal endometrial tissues concluded that miR-203 is regulated by methylation promoter...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29035444/circulating-micrornas-expressions-as-genetic-biomarkers-in-pancreatic-cancer-patients-continuous-non-invasive-monitoring
#7
REVIEW
Mihai Sandesc, Anca Dinu, Alexandru F Rogobete, Ovidiu H Bedreag, Dorel Sandesc, Marius Papurica, Lavinia M Bratu, Silvius Negoita, Corina Vernic, Sonia E Popovici, Dan Corneci
BACKGROUND: Pancreatic cancer is one of the most important causes of death worldwide. The main cause is late detection. Also, an important factor playing a role in altering the clinical status of these patients is the lack of methods for the evaluation of therapeutic response. A marker that can be useful, both in early diagnosis and in evaluating and monitoring non-invasive treatment response, is analyzing the expression of miRNAs. In this paper, we summarize genetic and epigenetic aspects of miRNAs in pancreatic cancer...
October 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/29034706/chronic-lymphocytic-leukaemia-and-secondary-skin-malignancies
#8
Geraldine Kyle
Chronic lymphocytic leukaemia (CLL) is a non-Hodgkin lymphoma commonly occurring in older adults. Many people with CLL can go for years without requiring treatment. However, they have an increased risk of secondary cancers, specifically melanoma and non-melanoma skin cancers. Furthermore, these secondary cancers are frequently more aggressive in this cohort of patients. Health professionals working in haematology, dermatology and general practice have an opportunity to educate patients about risk factors and measures to aid prevention...
October 12, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29034276/evaluation-of-the-ki-67-and-mcm3-expression-in-cytologic-smear-of-oral-squamous-cell-carcinoma
#9
Fahimeh Rezazadeh, Rahele Ebrahimi, Azadeh Andisheh-Tadbir, Mohammad Javad Ashraf, Bijan Khademi
STATEMENT OF THE PROBLEM: Squamous cell carcinoma (SCC) is the most frequent oral cancer whose 5-year survival rate is 80% for early-detected lesions and nearly 30-50% for advanced lesions. Early detection of oral cancers and precancerous lesions can improve the patient's survival and decrease the morbidity. PURPOSE: This study aimed to evaluate and compare the Ki-67 and MCM3 expression in cytologic smear of oral SCC (OSCC). MATERIALS AND METHOD: We examined 48 oral brush biopsies including 28 OSCC and 20 healthy non-smoking samples...
September 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/29033394/diagnostic-biomarkers-for-lung-cancer-prevention
#10
Roberto Gasparri, Rosalia Romano, Giulia Sedda, Alessandro Borri, Francesco Petrella, Domenico Galetta, Monica Casiraghi, Lorenzo Spaggiari
Lung cancer is the leading cause of death for neoplasm. The lung cancer mortality is frequently associated with late diagnosis, therefore an early diagnosis is a key factor to significantly improve overall survival in high risk populations of asymptomatic patients. Conventional cancer screenings (low-dose computed tomography or chest x-ray) today offers early detection but are invasive and expensive. Up to date these studies evaluated the solid and topographic cancer structure and morphology. Today the concept of tumor has been remodeled and it has been defined as a disease that has its own genetic, biological and metabolic identity and on this new awareness we should base the new screening methods...
October 16, 2017: Journal of Breath Research
https://www.readbyqxmd.com/read/29033369/fecal-clostridium-symbiosum-for-noninvasive-detection-of-early-and-advanced-colorectal-cancer-test-and-validation-studies
#11
Yuan-Hong Xie, Qin-Yan Gao, Guo-Xiang Cai, Xiao-Ming Sun, Tian-Hui Zou, Hui-Min Chen, Si-Yi Yu, Yi-Wen Qiu, Wei-Qi Gu, Xiao-Yu Chen, Yun Cui, Danfeng Sun, Zhan-Ju Liu, San-Jun Cai, Jie Xu, Ying-Xuan Chen, Jing-Yuan Fang
OBJECTIVE: Current non-invasive early detection of colorectal cancer (CRC) requires improvement. We aimed to identified a fecal Clostridium symbiosum-based biomarker for early and advanced colorectal cancer detection. DESIGN: In the test stage, the relative abundance of Clostridium symbiosum (C. symbiosum) was measured by qPCR in 781 cases including 242 controls, 212 colorectal adenoma (CRA) patients, 109 early CRC (tumor restricted to the submucosa) patients, 218 advanced CRC patients...
October 4, 2017: EBioMedicine
https://www.readbyqxmd.com/read/29032825/line-1-retrotransposon-mediated-dna-transductions-in-endometriosis-associated-ovarian-cancers
#12
Zhouchunyang Xia, Dawn R Cochrane, Michael S Anglesio, Yi Kan Wang, Tayyebeh Nazeran, Basile Tessier-Cloutier, Melissa K McConechy, Janine Senz, Amy Lum, Ali Bashashati, Sohrab P Shah, David G Huntsman
OBJECTIVE: Endometrioid (ENOC) and clear cell ovarian carcinoma (CCOC) share a common precursor lesion, endometriosis, hence the designation endometriosis associated ovarian cancers (EAOC). Long interspersed nuclear element 1 (LINE-1 or L1), is a family of mobile genetic elements activated in many cancers capable of moving neighboring DNA through 3' transductions. Here we investigated the involvement of specific L1-mediated transductions in EAOCs. METHODS: Through whole genome sequencing, we identified active L1-mediated transductions originating within the TTC28 gene in 34% (10/29) of ENOC and 31% (11/35) of CCOC cases...
October 9, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/29032804/-clinical-relevance-of-esr1-circulating-mutations-detection-in-hormone-receptor-positive-metastatic-breast-cancer
#13
REVIEW
Florian Clatot, Anne Perdrix, David Sefrioui, Nasrin Sarafan-Vasseur, Frédéric Di Fiore
If hormone therapy is a key treatment for hormone receptor positive advanced breast cancers, secondary resistance occurs as a rule. Recently, acquired alterations of the ESR1 gene have been identified as a mechanism of resistance on aromatase inhibitor (AI) treatment. The selective pressure by AI exposure during the metastatic setting triggers the emergence of ESR1 activating mutations. In that context, the "liquid biopsy" concept has been used to detect this molecular resistance before progression. Thus, the ESR1 circulating mutation detection will soon be used in daily practice to help monitoring patients on AI treatment and provide an early change for specific therapies that still have to be determined in prospective clinical trials...
October 9, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/29032455/electrochemical-aptamer-based-biosensor-developed-to-monitor-psa-and-vegf-released-by-prostate-cancer-cells
#14
Bruno P Crulhas, Agnieszka E Karpik, Flávia K Delella, Gustavo R Castro, Valber A Pedrosa
Early prostate cancer (PCa) diagnostic is crucial to enhance patient survival rates; besides, non-invasive platforms have been developed worldwide in order to precisely detect PCa biomarkers. Therefore, the aim of the present study is to develop a new aptamer-based biosensor through the self-assembling of thiolated aptamers for PSA and VEGF on the top of gold electrodes. This biosensor was tested in three prostate cell lines (RWPE-1, LNCaP and PC3). The results evidenced a stable and sensitive sensor presenting wide linear detection ranges (0...
October 14, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29032394/clinical-performance-of-68-ga-psma-11-pet-mri-for-the-detection-of-recurrent-prostate-cancer-following-radical-prostatectomy
#15
Benedikt Kranzbühler, Hannes Nagel, Anton S Becker, Julian Müller, Martin Huellner, Paul Stolzmann, Urs Muehlematter, Matthias Guckenberger, Philipp A Kaufmann, Daniel Eberli, Irene A Burger
PURPOSE: Sensitive visualization of recurrent prostate cancer foci is a challenge in patients with early biochemical recurrence (EBR). The recently established (68)Ga-PSMA-11 PET/CT has significantly improved the detection rate with published values of up to 55% for patients with a serum PSA concentration between 0.2-0.5 ng/mL. The increased soft tissue contrast in the pelvis using simultaneous (68)Ga-PSMA-11 PET/MRI might further improve the detection rate in patients with EBR and low PSA values over PET/CT...
October 14, 2017: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29032256/real-time-fluorescent-sentinel-lymph-node-mapping-with-icg-in-women-with-previous-conization-undergoing-laparoscopic-surgery-for-early-invasive-cervical-cancer-comparison-with-radiotracer-blue-dye
#16
Alessandro Buda, Andrea Papadia, Giampaolo Di Martino, Sara Imboden, Beatrice Bussi, Luca Guerra, Elena De Ponti, Claudio Reato, Maria Luisa Gasparri, Cinzia Crivellaro, Michael Mueller
STUDY OBJECTIVE: To evaluate the added value of fluorescence dye Indocyanine Green (ICG) for sentinel lymph node (SLN) mapping in women with cervical cancer who had undergone previous conization (stage 1A-1B1), by comparing ICG versus Tc99(m) radiotracer + blue-dye (BD). DESIGN: A retrospective study by two European centers (San Gerardo Hospital, Italy and University of Berne, Switzerland). CANADIAN TASK FORCE FOR CLASSIFICATION OF THE STUDY DESIGN: II - 2 SETTING: Two academic medical centers...
October 12, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29031853/co-expression-modules-construction-by-wgcna-and-identify-potential-prognostic-markers-of-uveal-melanoma
#17
Qi Wan, Jing Tang, Yu Han, Dan Wang
Uveal melanoma is an aggressive cancer which has a high percentage recurrence and with a worse prognosis. Identify the potential prognostic markers of uveal melanoma may provide information for early detection of recurrence and treatment. RNA sequence data of uveal melanoma and patient clinic traits were obtained from The Cancer Genome Atlas (TCGA) database. Co-expression modules were built by weighted gene co -expression network analysis (WGCNA) and applied to investigate the relationship underlying modules and clinic traits...
October 12, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/29031295/competitive-amperometric-immunosensor-for-determination-of-p53-protein-in-urine-with-carbon-nanotubes-gold-nanoparticles-screen-printed-electrodes-a-potential-rapid-and-noninvasive-screening-tool-for-early-diagnosis-of-urinary-tract-carcinoma
#18
Marco Giannetto, Maria Vittoria Bianchi, Monica Mattarozzi, Maria Careri
Since p53 protein has become recognized biomarker for both diagnostic and therapeutic purposes in oncological diseases with particular relevance for bladder cancer, it is highly desirable to search for a novel sensing tool for detecting the patient's p53 level at the early stage. Here we report the first study on the development and validation of a novel disposable competitive amperometric immunosensor for determination of p53 protein at subnanomolar levels, based on p53 immobilization on gold nanoparticles/carbon nanotubes modified screen-printed carbon electrodes...
October 23, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29029470/real-time-in-vivo-imaging-of-metastatic-bone-tumors-with-a-targeted-near-infrared-fluorophore
#19
Wonbong Lim, HongMoon Sohn, Youngjong Ko, Mineon Park, Bora Kim, Danbi Jo, Jin Seok Jung, Dae Hyeok Yang, Jangho Kim, Ok Joon Kim, Donghwi Kim, Young Lae Moon, Jung-Joon Min, Hoon Hyun
Tumors of the prostate or breast are particularly likely to metastasize to the bone, and early diagnosis of metastatic bone tumors is important for designing an effective treatment strategy. Imaging modalities for the detection of bone metastasis are limited, and radiation-based techniques are commonly used. Here, we investigated the efficacy of selective near-infrared (NIR) fluorescence detection of metastatic bone tumors and its role in the detection of bone metastasis in prostate and breast cancer cell lines and in a xenograft mouse model...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029032/foxa1-expression-is-a-strong-independent-predictor-of-early-psa-recurrence-in-erg-negative-prostate-cancers-treated-by-radical-prostatectomy
#20
Maria Christina Tsourlakis, Agapi Eleftheriadou, Annegret Stender, Philipp Weigand, Katharina Grupp, Claudia Hube-Magg, Martina Kluth, Cornelia Schroeder, Stefan Steurer, Andrea Hinsch, Andreas Luebke, Alexander Angerer, Corinna Wittmer, Emily Friedrich, Cosima Göbel, Franziska Büscheck, Hans Heinzer, Markus Graefen, Ronald Simon, Guido Sauter, Waldemar Wilczak, Sarah Minner, Thorsten Schlomm, Frank Jacobsen
FOXA1 is a transcription factor involved in androgen signaling with relevance for lineage specific gene expression of the prostate. The expression was analyzed by immunohistochemistry on a tissue microarray containing 11,152 prostate cancer specimens. Results were compared to tumor phenotype, biochemical recurrence, androgen receptor expression, ERG status and other recurrent genomic alterations. FOXA1 expression was detectable in 97.6% of 8,227 interpretable cancers and considered strong in 28.5%, moderate in 46...
September 26, 2017: Carcinogenesis
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