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MicroRNAs and early detection

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https://www.readbyqxmd.com/read/28213880/detection-of-digestive-malignancies-and-post-gastrectomy-complications-via-gastrointestinal-fluid-examination
#1
REVIEW
Lei Huang, Aman Xu
To date, gastric carcinoma (GC) is one of the common and fatal digestive malignancies worldwide. The prognosis of GC is not always satisfactory because of late diagnosis. Scholars are keen on discovering novel accurate and economical biomarkers in body liquids for GC screening to detect and evaluate the lesion before the results of imaging techniques are obtained. While traditional serum assays have limited sensitivity and specificity, gastrointestinal juice may provide relevant specific biomarkers because of its close contact with the tumor...
February 17, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/28203552/a-novel-panel-of-serum-mir-21-mir-155-mir-365-as-a-potential-diagnostic-biomarker-for-breast-cancer
#2
Ji-Guang Han, Yong-Dong Jiang, Chun-Hui Zhang, Yan-Mei Yang, Da Pang, Yan-Ni Song, Guo-Qiang Zhang
PURPOSE: Insufficient sensitivity and specificity prevent the use of most existing biomarkers for early detection of breast cancer. Recently, it was reported that serum microRNAs (miRNAs) may be potential biomarkers in many cancer diseases. In this study, we investigated whether serum levels of 5 miRNAs including miR-21, miR-125b, miR-145, miR-155, and miR-365 could discriminate breast cancer patients and healthy controls. METHODS: Serum levels of miRNAs were measured by using quantitative real-time polymerase chain reaction in 99 breast cancer patients and 21 healthy controls...
February 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/28191475/the-potential-of-micrornas-as-novel-biomarkers-for-transplant-rejection
#3
REVIEW
Matthias Hamdorf, Satoru Kawakita, Matthew Everly
The control of gene expression by microRNAs (miRNAs, miR) influences many cellular functions, including cellular differentiation, cell proliferation, cell development, and functional regulation of the immune system. Recently, miRNAs have been detected in serum, plasma, and urine and circulating miR profiles have been associated with a variety of diseases. Rejection is one of the major causes of allograft failure and preventing and treating acute rejection are the central task for clinicians working with transplant patients...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28190836/specificity-of-microrna-detection-on-a-power-free-microfluidic-chip-with-laminar-flow-assisted-dendritic-amplification
#4
Kazuki Hasegawa, Rina Negishi, Mutsuyoshi Matsumoto, Masafumi Yohda, Kazuo Hosokawa, Mizuo Maeda
MicroRNAs (miRNAs) are attracting considerable attention as potential biomarkers for the early diagnosis of cancer. We have been developing a detection method for miRNAs on a microfluidic chip with external-power-free fluid pumping and enzyme-free amplification. The assay is completed within 20 min. Here, we describe the specificity of this miRNA detection method. First, the specificity against mismatched sequences was investigated. The nonspecific detection of a 2-nucleotide mismatched sequence was negligible, while that of a 1-nucleotide mismatched sequence was observed to a reasonable extent...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28184024/oip5-a-target-of-mir-15b-5p-regulates-hepatocellular-carcinoma-growth-and-metastasis-through-the-akt-mtorc1-and-%C3%AE-catenin-signaling-pathways
#5
Hua Li, Jun Zhang, Mi-Jin Lee, Goung-Ran Yu, Xueji Han, Dae-Ghon Kim
Opa interacting protein 5 (OIP5) is upregulated in some types of human cancers, but the biological implications of its upregulation have not yet been clarified in human hepatocellular carcinoma (HCC). In this study, the signaling pathway downstream of OIP5 was analyzed by proteome kinase profiling. A putative microRNA targeting OIP5 was identified using a miRNA PCR array. Tumorigenicity and metastatic ability were examined in an orthotopic animal model. OIP5 expression was strongly detected in early and advanced tumors via gene expression profiling and immunohistochemical staining analyses...
February 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28183420/circulating-microrna-216-as-a-marker-for-the-early-identification-of-severe-acute-pancreatitis
#6
Xiao-Xin Zhang, Li-Hui Deng, Wei-Wei Chen, Na Shi, Tao Jin, Zi-Qi Lin, Yun Ma, Kun Jiang, Xiao-Nan Yang, Qing Xia
BACKGROUND: To study the value of circulating microRNA 216 (miR-216) as a marker for the severity of acute pancreatitis (AP) in both murine models and patients. MATERIALS AND METHODS: Mice with AP were induced by intraperitoneal injection of 50μg/kg/hour cerulean either 7 times, sacrificed at 8, 9, 10, 11 or 12 hours after the first injection, or 12 times, sacrificed at 24 hours after the first injection. Plasma samples and data from patients with AP were obtained from a prospective cohort...
February 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28183252/pharmacological-profile-and-pharmacogenomics-of-anti-cancer-drugs-used-for-targeted-therapy
#7
Raffaele Di Francia, Angela De Monaco, Mariangela Saggese, Giancarla Iaccarino, Stefania Crisci, Ferdinando Frigeri, Rosaria De Filippi, Massimiliano Berretta, Antonio Pinto
Drugs for targeted therapies are primarily Small Molecules Inhibitors (SMIs), monoclonal antibodies (mAbs), interfering RNA molecules and microRNA. The use of these new agents generates a multifaceted step in the pharmacokinetics (PK) of these drugs. Individual PK variability is often large, and unpredictability observed in the response to the pharmacogenetic profile of the patient (e.g. cytochome P450 enzyme), patient characteristics such as adherence to treatment and environmental factors. Objective This review aims to overview the latest anticancer drugs eligible for targeted therapies and the most recent finding in pharmacogenomics related to toxicity/resistance because either individual gene polymorphisms or acquired mutation in a cancer cell...
February 8, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28176654/transforming-cancer-epigenetics-using-nutritive-approaches-and-non-coding-rnas
#8
Centdrika R Dates, Trygve O Tollefsbol
Cancer is considered one of the leading causes of death in the United States. Although preventive strategies, early detection, and improved treatment options have been developed, novel targets and therapeutics are still needed. Since concluding that cancer is mediated by genetic and epigenetic alterations of the cell, many research groups are now focusing on other means of prevention and therapy via nutrition, epigenetic mechanisms, and non-coding RNAs which have been shown to control gene expression and have many different functions at the cellular level...
February 3, 2017: Current Cancer Drug Targets
https://www.readbyqxmd.com/read/28164635/microrna-122-as-a-novel-non-invasive-marker-of-liver-fibrosis-in-hepatitis-c-virus-patients
#9
Ahmed A S Omran, Khalid S Osman, Hanan M Kamel, Emad A Abdel-Naem, Dalia E El-Deen Hasan
BACKGROUND: Noninvasive evaluation of hepatic fibrosis is a growing scientific effort in medicine and is of particular interest as early diagnosis is important for the timely prevention and treatment of liver fibrosis and cirrhosis. Non-invasive markers of liver fibrosis have recently been developed as an alternative to liver biopsy. Aim of the work: The aim of this study was to assess the diagnostic value of serum microRNA 122 in Egyptian chronic hepatitis C virus infected patients. This may be a useful tool as a non invasive diagnostic test to detect early stages of fibrosis in comparison to 4 non invasive indexes (APRI, Forns, FIB-4, and FI) vs...
July 1, 2016: Clinical Laboratory
https://www.readbyqxmd.com/read/28164492/significance-of-serum-micrornas-in-the-auxiliary-diagnosis-of-non-small-cell-lung-cancer
#10
Guang-Li Shi, Yan Chen, Yong Sun, Yan-Jun Yin, Chang-Xing Song
BACKGROUND: The lack of effective means for the early diagnosis of non-small cell lung cancer (NSCLC) is the leading cause of the high mortality associated with this form of lung cancer. This study aims to explore the potential significance of serum miRNA in the auxiliary diagnosis of NSCLC. METHODS: The relative serum levels of 10 miRNAs in 120 patients with NSCLC, 45 patients with benign lung diseases, and 45 healthy controls were detected using real-time quantitative polymerase chain reaction (PCR)...
January 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28149864/early-detection-of-myocardial-infarction-micrornas-right-at-the-time
#11
EDITORIAL
Nicolle Kränkel, Stefan Blankenberg, Tanja Zeller
No abstract text is available yet for this article.
December 2016: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28146445/risk-of-cholangiocarcinoma-in-patients-with-primary-sclerosing-cholangitis-diagnosis-and-surveillance
#12
Hanno Ehlken, Roman Zenouzi, Christoph Schramm
PURPOSE OF REVIEW: Primary sclerosing cholangitis (PSC) is associated with an increased risk of hepatobiliary and extrahepatic malignancy. Particularly the risk of cholangiocarcinoma (CCA) is greatly increased. To provide potentially curative treatments for affected patients an early diagnosis of CCA is crucial. We here review the current advances with respect to CCA diagnosis and surveillance and discuss a rational approach on how to perform surveillance of CCA in PSC patients. RECENT FINDINGS: Given the shortcomings of the current modalities for the surveillance and diagnosis of CCA in PSC, recent studies have focused on novel biomarkers for CCA...
March 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28145567/gd2-targeted-immunotherapy-and-potential-value-of-circulating-micrornas-in-neuroblastoma
#13
REVIEW
Sharareh Gholamin, Hamed Miezaei, Seyed-Mostafa Razavi, Seyed Mahdi Hassanian, Leila Saadatpour, Aria Masoudifar, Soodabeh ShahidSales, Amir Avan
Neuroblastoma (NB) with various clinical presentation is a known childhood malignancy. Despite significant progress in treatment of NB afflicted patients, high risk disease is usually associated with poor outcome, resulting in long-term survival of less that 50%. Known as a disease most commonly originated form the nerve roots, the variants involved in NB imitation and progression remain to be elucidated. The outcome of low to intermediate risk disease is favorable whereas the high risk NB disease with dismal prognosis, positing the necessity of novel approaches for early detection and prognostication of advanced disease...
February 1, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28143873/emerging-role-of-micrornas-as-liquid-biopsy-biomarkers-in-gastrointestinal-cancers
#14
Kunitoshi Shigeyasu, Shusuke Toden, Timothy J Zumwalt, Yoshinaga Okugawa, Ajay Goel
Cancer has emerged as a leading cause of mortality worldwide, claiming over 8 million lives annually. Gastrointestinal (GI) cancers account for ~35% of these mortalities. Recent advances in diagnostic and treatment strategies have reduced mortality among GI cancer patients, yet a significant number of patients still develop late-stage cancer, where treatment options are inadequate. Emerging interests in 'liquid biopsies' have encouraged investigators to identify and develop clinically-relevant noninvasive genomic and epigenomic signatures that can be exploited as biomarkers capable of detecting premalignant and early-stage cancers...
January 31, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28134381/dna-nanomachine-based-regenerated-sensing-platform-a-novel-electrochemiluminescence-resonance-energy-transfer-strategy-for-ultra-high-sensitive-detection-of-microrna-from-cancer-cells
#15
Pu Zhang, Zhaoyang Li, Haijun Wang, Ying Zhuo, Ruo Yuan, Yaqin Chai
The construction of DNA nanomachines holds great significance in the development of DNA nanostructures; however, the real application of nanomachines is still in its early stage. Moreover, one-step regenerated sensing platforms for the detection of biomarkers in the current research remain a practical challenge. Herein, a novel electrochemiluminescence resonance energy transfer (ERET) strategy between Alexa Flour 488 (AF 488), which is a type of small molecule dye, as the donor and CdSe@ZnS quantum dots (QDs) as the acceptor, which easily enter the cells, has been reported and was applied for the construction of a DNA nanomachine-based regenerated biosensor for the ultra-high sensitive determination of cancer cells without any enzyme...
January 30, 2017: Nanoscale
https://www.readbyqxmd.com/read/28129650/microrna-34a-regulates-liver-regeneration-and-the-development-of-liver-cancer-in-rats-by-targeting-notch-signaling-pathway
#16
Xiao-Ping Wang, Jian Zhou, Ming Han, Chuan-Bao Chen, Yi-Tao Zheng, Xiao-Shun He, Xiao-Peng Yuan
OBJECTIVE: This study aimed to investigate the role of microRNA-34a (miR-34a) in regulating liver regeneration (LR) and the development of liver cancer in rats by targeting Notch signaling pathway. METHODS: Thirty male Sprague-Dawley (SD) rats were randomly assigned into partial hepatectomy (PH) group and sham hepatectomy (SH) group. Hematoxylin and eosin (HE) staining was used to observe the histological change in liver tissues. Enzyme-linked immunosorbent assay (ELISA) was used to measure the serum tumor necrosis factor α (TNF-α) and interleukin-6 (IL-6) levels...
January 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28125729/association-of-serum-mir-142-3p-and-mir-101-3p-levels-with-acute-cellular-rejection-after-heart-transplantation
#17
Ihdina Sukma Dewi, Zsuzsanna Hollander, Karen K Lam, Janet-Wilson McManus, Scott J Tebbutt, Raymond T Ng, Paul A Keown, Robert W McMaster, Bruce M McManus, Olof Gidlöf, Jenny Öhman
BACKGROUND: Identifying non-invasive and reliable blood-derived biomarkers for early detection of acute cellular rejection in heart transplant recipients is of great importance in clinical practice. MicroRNAs are small molecules found to be stable in serum and their expression patterns reflect both physiological and underlying pathological conditions in human. METHODS: We compared a group of heart transplant recipients with histologically-verified acute cellular rejection (ACR, n = 26) with a control group of heart transplant recipients without allograft rejection (NR, n = 37) by assessing the levels of a select set of microRNAs in serum specimens...
2017: PloS One
https://www.readbyqxmd.com/read/28123597/identification-of-a-panel-of-serum-micrornas-as-biomarkers-for-early-detection-of-lung-adenocarcinoma
#18
Shaogang Lv, Jian Xue, Chuanyong Wu, Lin Wang, Jing Wu, Shujun Xu, Xiaohui Liang, Jiatao Lou
Introduction: Since currently no sensitive and specific biomarkers for early detection of lung adenocarcinoma (AD) exist and the majority of AD patients are diagnosed at late stages of disease, the development of effective screening tests for early-stage lung AD is urgently needed. Serum microRNAs (miRNAs) have been documented as novel noninvasive biomarkers in tumor diagnosis; thus, we studied the profile of serum miRNA in AD patients in order to identify the differentially expressed miRNAs as potential biomarkers for early detection of AD...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28109133/the-prognostic-and-therapeutic-application-of-micrornas-in-breast-cancer-tissue-and-circulating-micrornas
#19
REVIEW
Afsane Bahrami, Seyed Amir Aledavoud, Kazem Anvari, Seyed Mahdi Hassanian, Mina Maftouh, Ali Yaghobzade, Omid Salarzaee, Soodabeh ShahidSales, Amir Avan
Breast cancer is the second most common malignancy diagnosed in women, supporting the need for identification of novel prognostic and diagnostic biomarkers. Recently, microRNAs have emerged as molecular regulators that can have key roles in pathogenesis and progression of different malignancies, including breast cancer. Micro-RNAs can be circulated in body fluid, suggesting their values as non-invasive marker. There is growing body of evidence showing the aberrant activation of some known circulating miRNAs, e...
January 21, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28106714/a-promising-future-for-prostate-cancer-diagnostics
#20
EDITORIAL
Stephen J Assinder, Vanitha Bhoopalan
It has been estimated that globally there is a death attributable to prostate cancer every four minutes. As life expectancy in all world regions increases, so too incidence of this disease of the ageing male will increase. For many men diagnosis occurs after presentation with symptoms of altered urinary dynamics. Unfortunately, these changes, whilst also associated with benign disease, are evident quite late in the aetiology of prostate cancer. Early detection provides for better management and prognosis. This Special Issue provides an up to date view of the advances made towards early diagnosis and prognosis...
January 17, 2017: Diagnostics
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