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https://www.readbyqxmd.com/read/28092102/micrornas-potential-candidates-for-diagnosis-and-treatment-of-colorectal-cancer
#1
REVIEW
Abdullah Moridikia, Hamed Mirzaei, Amirhossein Sahebkar, Jafar Salimian
Colorectal cancer (CRC) is known as the third common cancer worldwide and an important public health problem in different populations. Several genetics and environmental risk factors are involved in the development and progression of CRC including chromosomal abnormalities, epigenetic alterations, and unhealthy lifestyle. Identification of risk factors and biomarkers could lead to a better understanding of molecular pathways involved in CRC pathogenesis. MicroRNAs (miRNAs) are important regulatory molecules which could affect a variety of cellular and molecular targets in CRC...
January 16, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28091918/changes-in-the-level-of-circulating-hsa-mir-297-and-hsa-mir-19b-3p-mirna-are-associated-with-generalization-of-prostate-cancer
#2
A I Osip'yants, E N Knyazev, A V Galatenko, K M Nyushko, V V Galatenko, M Yu Shkurnikov, B Ya Alekseev
We performed diagnostic classification of plasma specimens from patients with non-metastatic and metastatic prostate cancer based on pairs of miRNA that have no individual diagnostic significance. Of 230 miRNA detected in plasma specimens, 3 pairs were diagnostically significant. The miRNA pair hsa-miR-19b-3p and hsa-miR-297 demonstrated highest sensitivity and specificity. Among common target genes of these miRNA, CFL2 gene associated with cell mobility was detected.
January 14, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28086747/microrna-based-pan-cancer-diagnosis-and-treatment-recommendation
#3
Nikhil Cheerla, Olivier Gevaert
BACKGROUND: The current state-of-the-art in cancer diagnosis and treatment is not ideal; diagnostic tests are accurate but invasive, and treatments are "one-size fits-all" instead of being personalized. Recently, miRNA's have garnered significant attention as cancer biomarkers, owing to their ease of access (circulating miRNA in the blood) and stability. There have been many studies showing the effectiveness of miRNA data in diagnosing specific cancer types, but few studies explore the role of miRNA in predicting treatment outcome...
January 13, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28081568/non-lethal-endotoxin-injection-a-rat-model-of-hypercoagulability
#4
Marjory B Brooks, James R Turk, Abraham Guerrero, Padma K Narayanan, John P Nolan, Elizabeth G Besteman, Dennis W Wilson, Roberta A Thomas, Cindy E Fishman, Karol L Thompson, Heidrun Ellinger-Ziegelbauer, Jennifer B Pierson, April Paulman, Alan Y Chiang, Albert E Schultze
Systemic inflammation co-activates coagulation, which unchecked culminates in a lethal syndrome of multi-organ microvascular thrombosis known as disseminated intravascular coagulation (DIC). We studied an endotoxin-induced inflammatory state in rats to identify biomarkers of hemostatic imbalance favoring hypercoagulability. Intraperitoneal injection of LPS at 15 mg/kg body weight resulted in peripheral leukopenia and widespread neutrophilic sequestration characteristic of an acute systemic inflammatory response...
2017: PloS One
https://www.readbyqxmd.com/read/28079796/serum-microrna-panel-for-early-diagnosis-of-the-onset-of-hepatocellular-carcinoma
#5
Ying Zhang, Tao Li, Yumin Qiu, Tao Zhang, Pengbo Guo, Xiaomin Ma, Qing Wei, Lihui Han
Unique change of circulating microRNAs (miRNAs) was recognized to occur in early oncogenesis, which conferred it the potential as biomarkers for early detection of cancer. However, its diagnostic capability for hepatocellular carcinoma (HCC) has not been fully understood. In this study, microarray analysis was applied to screen the initial candidate miRNA from both the supernatants of anoikis-resistant cellular models and the sera samples of HCC patients. The selected differentially expressed miRNAs were further verified in 115 HCC patients and 40 health controls by qRT-PCR...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28078993/mirnas-new-biomarkers-and-therapeutic-targets-in-dementia
#6
Ana Teresa de Bastos Viegas, Joana Ribeiro Guedes, Ana Rafaela Oliveira, Ana Maria Sequeira Cardoso, Ana Luísa Colaço Cardoso
BACKGROUND: Dementia is a complex pathological state that affects millions of individuals worldwide and is responsible for a huge socioeconomic burden, making it a major health concern of current times. Given the impact of dementia in both patients and caregivers, it is crucial to fully clarify the molecular mechanisms underlying dementia-associated disorders, since without this knowledge our ability to correctly diagnose and treat these diseases is severely hampered. METHODS: Epigenetic mechanisms, such as miRNA-mediated post-transcriptional regulation, have been reported to play a role in dementia pathogenesis...
January 10, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28077372/extracellular-microrna-signature-in-chronic-kidney-disease
#7
Jagdeesan Muralidharan, Ali Ramezani, Monica J Hubal, Susan Knoblach, Shashi Shrivastav, Sara Karandish, Richard Scott, Nirmal Maxwell, Savas Ozturk, Srinivasan Beddhu, Jeffrey B Kopp, Dominic S Raj
MicroRNAs (miRNAs) are noncoding RNAs that regulate post-transcriptional gene expression. In this study we characterized the circulating and urinary miRNA pattern associated with reduced glomerular filtration rate using Affymetrix GeneChip miR 4.0 in 28 patients with chronic kidney disease (CKD). Top miRNA discoveries from the human studies were validated in an Alb/TGF-β mouse model of CKD, and in rat renal proximal tubular cells (NRK52E) exposed to TGF-β1. Plasma and urinary levels of procollagen III N-terminal propeptide and collagen IV were elevated in patients with decreased estimated glomerular filtration rate (eGFR)...
January 11, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28073899/paper-based-microrna-expression-profiling-from-plasma-and-circulating-tumor-cells
#8
Sai Mun Leong, Karen Mei-Ling Tan, Hui Wen Chua, Mo-Chao Huang, Wai Chye Cheong, Mo-Huang Li, Steven Tucker, Evelyn Siew-Chuan Koay
BACKGROUND: Molecular characterization of circulating tumor cells (CTCs) holds great promise for monitoring metastatic progression and characterizing metastatic disease. However, leukocyte and red blood cell contamination of routinely isolated CTCs makes CTC-specific molecular characterization extremely challenging. METHODS: Here we report the use of a paper-based medium for efficient extraction of microRNAs (miRNAs) from limited amounts of biological samples such as rare CTCs harvested from cancer patient blood...
January 10, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28063928/mir-107-induces-tnf-%C3%AE-secretion-in-endothelial-cells-causing-tubular-cell-injury-in-patients-with-septic-acute-kidney-injury
#9
Shanshan Wang, Zengdi Zhang, Jun Wang, Hongjun Miao
Activation of endothelial cells plays a key role in septic acute kidney injury (AKI). This study investigated the role of miRNA in endothelial-induced tubular cell injury in sepsis. Circulating endothelial cells (CECs) from septic AKI, non-septic AKI, septic non-AKI patients and healthy volunteers were isolated and cultured, and HK2 cells were exposed to CEC-conditioned medium. CEC-conditioned medium prepared from septic AKI patients led to cell shrinkage, decreased E-cadherin, the release of NAG and cell apoptosis in HK2 cells...
January 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28061744/comprehensive-evaluation-of-extracellular-small-rna-isolation-methods-from-serum-in-high-throughput-sequencing
#10
Yan Guo, Kasey Vickers, Yanhua Xiong, Shilin Zhao, Quanhu Sheng, Pan Zhang, Wanding Zhou, Charles R Flynn
BACKGROUND: DNA and RNA fractions from whole blood, serum and plasma are increasingly popular analytes that are currently under investigation for their utility in the diagnosis and staging of disease. Small non-coding ribonucleic acids (sRNAs), specifically microRNAs (miRNAs) and their variant isoforms (isomiRs), and transfer RNA (tRNA)-derived small RNAs (tDRs) comprise a repertoire of molecules particularly promising in this regard. RESULTS: In this designed study, we compared the performance of various methods and kits for isolating circulating extracellular sRNAs (ex-sRNAs)...
January 7, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28060535/circulating-micrornas-promising-biomarkers-involved-in-several-cancers-and-other-diseases
#11
Yicheng Zhao, Yuanyuan Song, Li Yao, Guangqi Song, Chunbo Teng
Recently, many studies indicated that microRNAs (miRNAs) stably existed in various body fluids, including serum, plasma, saliva, and urine. Such miRNAs that exist in mammalian body fluids are known as circulating miRNAs, and they can transmit signals between cells and regulate intracellular gene expression. Currently, we barely understand the characteristics, sources, secretion, uptake, and functions of newly generated miRNAs. Particularly, it has been shown that certain types of circulating miRNAs can provide effective clinical data, suggesting their roles as novel biomarkers for the early detection of diseases such as cancers, cardiovascular diseases, and diabetes...
January 6, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28055956/circulating-exosomal-micrornas-as-prognostic-biomarkers-for-non-small-cell-lung-cancer
#12
Qingyun Liu, Zubin Yu, Shuai Yuan, Weijia Xie, Chengying Li, Zeyao Hu, Ying Xiang, Na Wu, Long Wu, Li Bai, Yafei Li
Exosomal miRNAs are proposed as excellent candidate biomarkers for clinical applications. However, little is known about their potential roles as prognostic biomarkers in lung cancer. In this study, we explored the prognostic value of plasma exosomal microRNAs (miRNAs) for non-small-cell lung cancer (NSCLC). Using a quantitative polymerase chain reaction (qPCR) array panel, we analyzed 84 plasma exosomal miRNAs in 10 lung adenocarcinoma patients and 10 matched healthy controls. The qPCR array showed 30 aberrantly expressed exosomal miRNAs...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28053049/genome-wide-association-study-with-additional-genetic-and-post-transcriptional-analyses-reveals-novel-regulators-of-plasma-factor-xi-levels
#13
Bengt Sennblad, Saonli Basu, Johanna Mazur, Pierre Suchon, Angel Martinez-Perez, Astrid van Hylckama Vlieg, Vinh Truong, Yuhuang Li, Jesper R Gådin, Weihong Tang, Vera Grossman, Hugoline G de Haan, Niklas Handin, Angela Silveira, Juan Carlos Souto, Anders Franco-Cereceda, Pierre-Emmanuel Morange, France Gagnon, Jose Manuel Soria, Per Eriksson, Anders Hamsten, Lars Maegdefessel, Frits R Rosendaal, Philipp Wild, Aaron R Folsom, David-Alexandre Trégouët, Maria Sabater-Lleal
Coagulation factor XI (FXI) has become increasingly interesting for its role in pathogenesis of thrombosis. While elevated plasma levels of FXI have been associated with venous thromboembolism and ischemic stroke, its deficiency is associated with mild bleeding. We aimed to determine novel genetic and post-transcriptional plasma FXI regulators.We performed a genome-wide association study (GWAS) for plasma FXI levels, using novel data imputed to the 1000 Genomes reference panel. Individual GWAS analyses, including a total of 16,169 European individuals from the ARIC, GHS, MARTHA and PROCARDIS studies, were meta-analysed and further replicated in 2,045 individuals from the F5L family, GAIT2 and MEGA studies...
January 4, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28052002/circulating-mir-1-as-a-potential-biomarker-of-doxorubicin-induced-cardiotoxicity-in-breast-cancer-patients
#14
Vagner Oliveira-Carvalho Rigaud, Ludmila R P Ferreira, Silvia M Ayub-Ferreira, Mônica S Ávila, Sara M G Brandão, Fátima D Cruz, Marília H H Santos, Cecilia B B V Cruz, Marco S L Alves, Victor S Issa, Guilherme V Guimarães, Edécio Cunha-Neto, Edimar A Bocchi
Cardiotoxicity is associated with the chronic use of doxorubicin leading to cardiomyopathy and heart failure. Identification of cardiotoxicity-specific miRNA biomarkers could provide clinicians with a valuable prognostic tool. The aim of the study was to evaluate circulating levels of miRNAs in breast cancer patients receiving doxorubicin treatment and to correlate with cardiac function. This is an ancillary study from "Carvedilol Effect on Chemotherapy-induced Cardiotoxicity" (CECCY trial), which included 56 female patients (49...
December 29, 2016: Oncotarget
https://www.readbyqxmd.com/read/28051023/circulating-microrna-145-is-associated-with-acute-myocardial-infarction-and-heart-failure
#15
Ming Zhang, Yun-Jiu Cheng, Jaskanwal Ds Sara, Li-Juan Liu, Li-Ping Liu, Xin Zhao, Hai Gao
BACKGROUND: Recent studies show that microRNA-145 (miRNA-145) might be an attractive tumor biomarker of considerable prognostic value, but little is known about their relationship with acute myocardial infarction (AMI). This study investigated the correlation between the level of miR-145 and AMI. METHODS: One-hundred patients were divided into three groups: no coronary artery disease (CAD) group, non-ST segment elevation myocardial infarction group, and ST segment elevation myocardial infarction group...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28039578/the-importance-of-standardization-on-analyzing-circulating-rna
#16
REVIEW
Inyoul Lee, David Baxter, Min Young Lee, Kelsey Scherler, Kai Wang
Circulating RNAs, especially microRNAs (miRNAs), have recently emerged as non-invasive disease biomarkers. Despite enthusiasm and numerous reports on disease-associated circulating miRNAs, currently there is no circulating miRNA-based diagnostic in use. In addition, there are many contradictory reports on the concentration changes of specific miRNA in circulation. Here we review the impact of various technical and non-technical factors related to circulating miRNA measurement and elucidate the importance of having a general guideline for sample preparation and concentration measurement in studying circulating RNA...
December 30, 2016: Molecular Diagnosis & Therapy
https://www.readbyqxmd.com/read/28035762/a-novel-serum-microrna-signature-to-screen-esophageal-squamous-cell-carcinoma
#17
Zebo Huang, Lan Zhang, Danxia Zhu, Xia Shan, Xin Zhou, Lian-Wen Qi, Lirong Wu, Jun Zhu, Wenfang Cheng, Huo Zhang, Yan Chen, Wei Zhu, Tongshan Wang, Ping Liu
Circulating microRNAs (miRNAs) have been used as promising diagnostic biomarkers for esophageal squamous cell carcinoma (ESCC). We performed miRNA expression profiling using quantitative reverse transcription polymerase chain reaction (qRT-PCR) based Exiqon panels from three ESCC pools and one normal control (NC) pool samples. Using qRT-PCR, identified serum miRNAs were further confirmed in training (32 ESCC vs. 32 NCs) and testing stages (108 ESCC vs. 96 NCs). Consequently, five serum miRNAs (miR-20b-5p, miR-28-3p, miR-192-5p, miR-223-3p, and miR-296-5p) were significantly overexpressed in ESCC compared with NCs...
December 30, 2016: Cancer Medicine
https://www.readbyqxmd.com/read/28035018/circulating-micrornas-in-acute-and-chronic-exercise-more-than-mere-biomarkers
#18
Ryan M Sapp, Daniel D Shill, Stephen M Roth, James M Hagberg
MicroRNAs (miRNAs) are short, non-coding RNAs that influence biological processes by regulating gene expression post-transcriptionally. It was recently discovered that miRNAs are released into the circulation (ci-miRNAs) where they are highly stable and can act as intercellular messengers to affect physiological processes. This review provides a comprehensive summary of the studies, to date, that have investigated the effects of acute exercise and exercise training on ci-miRNAs in humans. Findings indicate that specific ci-miRNAs are altered in response to different protocols of acute and chronic exercise in both healthy and diseased populations...
December 29, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28032524/classifying-circulating-tumor-cells-to-monitor-cancer-progression
#19
Panagiota Economopoulou, Vassilis Georgoulias, Athanasios Kotsakis
The term 'liquid biopsy' refers to molecular analysis of a tumor's genetic features based on circulating genetic material in the peripheral blood derived from circulating tumor cells (CTCs), circulating tumor DNA (ctDNA) and circulating miRNAs, and has emerged as a minimally invasive tool in early cancer diagnosis and disease monitoring. CTCs are believed to originate from the primary tumor and obtain genetic heterogeneity during evolution. Areas covered: The presence of CTCs has been associated with poor clinical outcome in patients with metastatic breast cancer, lung cancer, colorectal cancer and prostate cancer...
December 29, 2016: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28031973/life-as-an-early-career-researcher-interview-with-heloisa-helena-milioli
#20
Heloisa Helena Milioli
Heloisa Helena Milioli speaks to Francesca Lake, Managing Editor: Heloisa received a BSc degree in Biological Sciences (2008) from the Universidade Federal de Santa Catarina (Brazil) and obtained a MSc degree in Genetics (2011) from Universidade Federal do Paraná (Brazil). In 2011 and 2012, she worked as a lecturer and tutor in the Department of Cell Biology, Embryology and Genetics (Universidade Federal de Santa Catarina). She moved to Australia in 2012 to obtain her PhD in Biological Sciences, with emphasis on Bioinformatics, from The University of Newcastle...
June 2016: Future Science OA
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