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Microrna and serum

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https://www.readbyqxmd.com/read/28641313/evaluation-of-serum-microrna-biomarkers-for-gastric-cancer-based-on-blood-and-tissue-pools-profiling-the-importance-of-mir-21-and-mir-331
#1
Marek Sierzega, Marcin Kaczor, Piotr Kolodziejczyk, Jan Kulig, Marek Sanak, Piotr Richter
BACKGROUND: High stability and disease-specific disarrangements suggest that microRNA molecules (miRNAs) present in body fluids are ideally suited for diagnostic applications, including gastric cancer (GC). However, the actual source of circulating miRNA biomarkers in GC has not been adequately evaluated, particularly in the Western populations that have some distinct characteristics compared with Asian patients. METHODS: Twenty treatment-naive patients with GC along with 20 cancer-free controls were recruited...
June 22, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28640790/microrna-155-deficiency-in-kupffer-cells-ameliorates-liver-ischemia-reperfusion-injury-in-mice
#2
Yakun Li, Dongxia Ma, Zhimin Wang, Jun Yang
BACKGROUND: MicroRNA-155 (miR-155) is known to be involved in autoimmune diseases, inflammation, and transplantation. However, its role in a warm hepatic ischemia-reperfusion (IR) model has not been fully elucidated. METHODS: Partial hepatic IR was performed in wild-type and miR-155-deficient mice treated with or without GdCl3, and then the serum transaminase concentration and histology were analyzed. Kupffer cells (KCs) were isolated from the liver after IR, and immunohistochemistry was used to evaluate activation and polarization...
July 2017: Transplantation
https://www.readbyqxmd.com/read/28637221/digital-direct-detection-of-micrornas-using-single-molecule-arrays
#3
Limor Cohen, Mark R Hartman, Aaron Amardey-Wellington, David R Walt
MicroRNAs (miRNAs) are involved in many biological pathways, and detecting miRNAs accurately is critical for diagnosing a variety of diseases including cancer. However, most current methods for miRNA detection require lengthy sample preparation and amplification steps that can bias the results. In addition, lack of specificity and reproducibility give rise to various challenges in detection of circulating miRNAs in biological samples. In this work, we applied the Single Molecule Array (Simoa) technique to develop an ultra-sensitive sandwich assay for direct detection of multiple miRNAs without pre-amplification...
June 20, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28636562/exosome-encapsulated-micrornas-as-circulating-biomarkers-for-colorectal-cancer
#4
Shushan Yan, Bing Han, Shunyuan Gao, Xiaochen Wang, Zengfang Wang, Fakai Wang, Jianjun Zhang, Donghua Xu, Beicheng Sun
Currently available studies have suggested that a number of exosome-encapsulated microRNAs (miRNAs) are recognized as stable biomarkers for cancers. However, little is known about the effect of exosomal miRNAs on colorectal cancer (CRC). The aim of study is to identify specific miRNAs in serum exosomes, which may serve as potential diagnostic and prognostic biomarkers and therapeutic targets for CRC. Microarray analyses of miRNAs in serum exosomes from 3 primary CRC patients and 3 healthy controls were performed...
June 16, 2017: Oncotarget
https://www.readbyqxmd.com/read/28632432/serum-micrornas-as-early-indicators-for-estimation-of-exposure-degree-in-response-to-ionizing-irradiation
#5
Wenjun Wei, Jinpeng He, Jufang Wang, Nan Ding, Bing Wang, Sulan Lin, Xurui Zhang, Junrui Hua, He Li, Burong Hu
Exposure to ionizing radiation from nuclear devices, spaceflights or terrorist attacks represents a major threat to human health and public security. After a radiological incident, noninvasive biomarkers that can facilitate rapid assessment of exposure risk in the early stages are urgently needed for optimal medical treatment. Serum microRNAs (miRNAs) are ideal biomarkers because they are stable in response to environmental changes, they are common among different species and are easily collected. Here, we performed miRNA PCR arrays to analyze miRNA expression profiles at 24 h postirradiation...
June 20, 2017: Radiation Research
https://www.readbyqxmd.com/read/28628844/serum-micrornas-in-buffalo-cows-potential-biomarkers-of-pregnancy
#6
Gabriella Guelfi, Valentina Stefanetti, Silvio De Luca, Andrea Giontella, Vittoria Lucia Barile, Olimpia Barbato
MiRNAs (microRNA) constitute a large family of single-stranded, non-coding small RNAs. Although the functions and target genes of most miRNAs are still unknown, it has been well established that they are involved in embryogenesis, organogenesis and neonatal birth. In recent decades, interest in buffalo breeding has largely increased worldwide thus focusing the attention on this species as a dairy purpose animal. Problems related to long calving interval, late puberty and seasonal anestrus hamper reproductive efficiency in this species...
June 4, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28628652/microrna-433-3p-promotes-osteoblast-differentiation-through-targeting-dkk1-expression
#7
Xiaolin Tang, Jiantao Lin, Guanhai Wang, Jianlin Lu
Dickkopf-1 (DKK1) is a powerful antagonist of canonical WNT signaling pathway, and is regarded as a biomarker for osteoporosis. Its expression is highly correlated with bone mass and osteoblasts maturation. In this study, mouse primary bone marrow cells and osteoblast cell lines were used. Luciferase reporter assay and western blotting methods were employed to validate if miRNA-433-3p epigenetically regulated DKK1 translation. Rat bone marrow derived osteoblasts were infected with lentivirus vector in which miR-433-3p was constructed...
2017: PloS One
https://www.readbyqxmd.com/read/28627619/expression-of-dicer-in-rheumatoid-arthritis-is-associated-with-disease-activity-and-balances-the-production-of-tnf%C3%A2-%C3%AE
#8
Shujun Wang, Min Yuan, Lijun Song, Xiuying Zhang, Qin Geng, Hongju Zhang, Xingfu Li
Gene expression can be altered through RNA interference (RNAi), including microRNA (miRNA) or small interfering RNA. Alterations of miRNAs in rheumatoid arthritis (RA) have been reported, however, the components of the RNAi machinery in RA remain to be fully elucidated. The aim of the present study was to detect the levels of Dicer, Argonaute2 and Drosha, components of the RNAi machinery, in the peripheral blood mononuclear cells of patients with RAusingreverse transcription‑quantitative polymerase chain reaction, and to compare the results with disease activity and clinical features...
June 9, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28626163/lower-serum-levels-of-mir-29c-3p-and-mir-19b-3p-as-biomarkers-for-alzheimer-s-disease
#9
Yuquan Wu, Juan Xu, Jing Xu, Jun Cheng, Demin Jiao, Chun Zhou, Yi Dai, Qingyong Chen
MicroRNAs (miRNAs) are short noncoding RNA that participate in posttranscriptional gene regulation. However, little is understood about the roles of miRNAs in Alzheimer's disease (AD). In this study, we used next-generation sequencing on RNA extracted from the serum samples of 20 AD patients and 20 controls, yielding a total of 72 miRNAs with significantly changed expression levels. Among these candidates, we selected 9 miRNAs with most significant alteration in disease, and validated their expression levels using RT-qPCR analysis on serum samples from 45 AD patients and 40 control subjects...
2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28620131/exosomes-containing-differential-expression-of-microrna-and-mrna-in-osteosarcoma-that-can-predict-response-to-chemotherapy
#10
Ji-Feng Xu, Ya-Ping Wang, Shui-Jun Zhang, Yu Chen, Hai-Feng Gu, Xiao-Fan Dou, Bing Xia, Qing Bi, Shun-Wu Fan
A major challenge in osteosarcoma (OS) is the selection of the most effective chemotherapeutic agents for individual patients, while the administration of ineffective chemotherapy increases mortality and decreases quality of life in patients. This emphasizes the need to evaluate every patient's probability of responding to each chemotherapeutic agent. We developed a profiling strategy for serum exosomal microRNAs and mRNAs in OS patients with differential chemotherapeutic responses. Twelve miRNAs were up regulated and 18 miRNAs were under regulated significantly in OS patient with poor chemotherapeutic response when compared with those in good chemotherapeutic response (p<0...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28618945/the-expression-profiling-of-serum-mir-92a-mir-375-and-mir-760-in-colorectal-cancer-an-egyptian-study
#11
Ahmed Elshafei, Olfat Shaker, Ossama Abd El-Motaal, Tarek Salman
Dysregulation in microRNA expression is a common feature in colorectal cancer. Due to the inconsistent results regarding serum miR-92a expression pattern and the insufficient studies on serum miR-375 and miR-760, we aimed in this study to investigate their expression profile and diagnostic and prognostic power in Egyptian colorectal cancer patients. The expression profile of miR-92a, miR-375, and miR-760 was determined in the sera of 64 colorectal cancer patients using quantitative real-time reverse transcription polymerase chain reaction in comparison to 27 healthy control subjects...
June 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28617546/down-expression-of-mir-373-predicts-poor-prognosis-of-glioma-and-could-be-a-potential-therapeutic-target
#12
S-Y Jing, S-Q Jing, L-L Liu, L-F Xu, F Zhang, J-L Gao
OBJECTIVE: MicroRNAs (miRNAs) are epigenetic regulators of gene expression, and their deregulation plays an important role in human cancer, including glioma. The main objective of this work was to investigate the expression level of miR-373 and its clinical significance in glioma. PATIENTS AND METHODS: The expression levels of miR-373 in glioma tissues and non-neoplastic brain tissues were measured by the qRT-PCR assay. Patients were divided into two groups based on the median miR-373 expression...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28616908/-the-correlation-between-micrornas-in-serum-and-the-extent-of-liver-injury
#13
Yi-Nan Zuo, Xue-Ling He, Xue-Ni Shi, Shi-Hang Wei, Hai-Lin Yin
OBJECTIVES: To investigate the correlation between the absolute quantification of the microRNAs (miR-122, miR-451, miR-92a, miR-192) in serum during acute liver injury and the extent of liver injury on rat models of CCl4 induced acute liver injury and mice models of acetaminophen (APAP) induced acute liver injury. Furthermore, to investigate the correlation between the absolute quantification of microRNAs in serum and the drug induced liver injury pathological scoring system (DILI-PSS)...
May 2017: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28616250/potential-role-of-serum-and-urinary-biomarkers-in-diagnosis-and-prognosis-of-diabetic-nephropathy
#14
REVIEW
Carole G Campion, Oraly Sanchez-Ferras, Sri N Batchu
PURPOSE OF REVIEW: Diabetic nephropathy (DN) is a progressive kidney disease caused by alterations in kidney architecture and function, and constitutes one of the leading causes of end-stage renal disease (ESRD). The purpose of this review is to summarize the state of the art of the DN-biomarker field with a focus on the new strategies that enhance the sensitivity of biomarkers to predict patients who will develop DN or are at risk of progressing to ESRD. OBJECTIVE: In this review, we provide a description of the pathophysiology of DN and propose a panel of novel putative biomarkers associated with DN pathophysiology that have been increasingly investigated for diagnosis, to predict disease progression or to provide efficient personal treatment...
2017: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/28614373/relationship-between-microrna-146a-expression-and-plasma-renalase-levels-in-hemodialyzed-patients
#15
Marcin Dziedzic, Tomasz Powrózek, Ewelina Orłowska, Wojciech Koch, Wirginia Kukula-Koch, Kinga Gaweł, Anna Bednarek-Skublewska, Teresa Małecka-Massalska, Janusz Milanowski, Beata Petkowicz, Janusz Solski
BACKGROUND: microRNA (miRNA) belongs to the non-coding RNAs family responsible for the regulation of gene expression. Renalase is a protein composed of 342 amino acids, secreted by the kidneys and possibly plays an important role in the regulation of sympathetic tone and blood pressure. The aim of the present study was to investigate plasma renalase concentration, and explore the relationship between miRNA-146a-5p expression and plasma renalase levels in hemodialyzed patients. METHODS: The study population comprised 55 subjects who succumbed to various cardiac events, 27 women and 28 men, aged 65-70 years...
2017: PloS One
https://www.readbyqxmd.com/read/28614065/microrna-423-5p-facilitates-hypoxia-reoxygenation-induced-apoptosis-in-renal-proximal-tubular-epithelial-cells-by-targeting-gstm1-via-endoplasmic-reticulum-stress
#16
Xiao-Peng Yuan, Long-Shan Liu, Chuan-Bao Chen, Jian Zhou, Yi-Tao Zheng, Xiao-Ping Wang, Ming Han, Chang-Xi Wang
It has been reported that microRNAs (miRs) can regulate renal response to acute injury and members of them are believed to be important in maintenance of renal function and development of renal injury. We investigated the actions of microRNA-423-5p (miR-423-5p) and glutathione-S-transferase (GST) M1 after acute kidney injury. MiR-423-5p was up-regulated and GSTM1 was down-regulated in human kidney (HK-2) cells subjected to hypoxia/reoxygenation (H/R) and in rat kidneys subjected to ischemia/reperfusion (I/R) injury...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28612337/microrna-371a-3p-as-informative-biomarker-for-the-follow-up-of-testicular-germ-cell-cancer-patients
#17
Ton van Agthoven, Wil M H Eijkenboom, Leendert H J Looijenga
PURPOSE: α-fetoprotein (AFP) and human chorionic gonadotropin subunit beta (B-HCG) are informative serum biomarkers for the primary diagnosis and follow-up of testicular germ cell cancer (TGCC) patients. About 20% of TGCC patients with a non-seminoma (NS) and about 80% with a seminoma (SE) are, however, negative for these biomarkers. Embryonic stem cell microRNAs (miRs) may serve as promising alternative serum biomarkers. Here we investigated a retrospective series of serum samples from selected TGCC patients who developed a relapse in time to test the possible additional value of the serum-based ampTSmiR test compared to the conventional serum-based protein biomarkers for follow-up...
June 13, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28610780/analysis-of-transcription-factors-micrornas-and-cytokines-involved-in-t-lymphocyte-differentiation-in-patients-with-tuberculosis-after-directly-observed-treatment-short-course
#18
Nancy Elizabeth Corral-Fernández, Juan Diego Cortes-García, Rivas-Santiago Bruno, Silvia Romano-Moreno, Susanna E Medellín-Garibay, Martín Magaña-Aquino, Raúl A Salazar-González, Roberto González-Amaro, Diana Patricia Portales-Pérez
Tuberculosis (Tb) is an infectious disease in which the immune system plays an important role. MicroRNAs are involved in the development and maintenance of CD4 + T lymphocyte subpopulations. miR-326 regulates the differentiation to Th17 cells and miR-29 correlates with the Th1 response. The aim of this study was to determine the role of microRNAs, Transcription Factors, and cytokines in Th differentiation before and after the directly observed treatment short-course (DOTS). Peripheral blood mononuclear cells and serum from Tb patients were collected at times 0 (before therapy), 2 (after the intensive phase), and 6 months (after the holding phase)...
July 2017: Tuberculosis
https://www.readbyqxmd.com/read/28605303/diagnostic-value-of-circulating-microrna-95-and-190-in-the-differential-diagnosis-of-thyroid-nodules-a-validation-study-in-1000-consecutive-patients
#19
Tania Pilli, Silvia Cantara, Carlotta Marzocchi, Sandro Cardinale, Chiara Santini, Gabriele Cevenini, Furio Pacini
BACKGROUND: It has recently been demonstrated that the combination of miRNA-190 and -95 (expressed as probability of malignant risk: pmiRNA) in the serum of Caucasian patients with thyroid nodular disease allows the identification of nodules at high risk of malignancy with great accuracy. The present study aimed to validate these results in a larger cohort of patients. MATERIALS AND METHODS: This study prospectively analyzed 1000 patients. Cytological diagnosis was available in 982/1000 (98...
June 12, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28601493/expression-of-peripheral-blood-mirna-720-and-mirna-1246-can-be-used-as-a-predictor-for-outcome-in-multiple-myeloma-patients
#20
Yuyue Ren, Xiaoyun Li, Wei Wang, Wanting He, Jinghua Wang, Ying Wang
OBJECTIVE: Multiple myeloma (MM) is a heterogeneous disorder, encompassing several related entities that share the common characteristic of being composed of monoclonal plasma cells (PCs). MicroRNAs (miRNAs) are small noncoding RNAs that control the expression of many target messenger RNAs involved in normal cell functions. Two serum microRNAs, miRNA-720 and miRNA-1246, were found to have potential as diagnostic biomarkers in myeloma. Therefore, we investigated a possible correlation of peripheral blood (PB) miRNA expression with diagnosis and prognosis...
May 10, 2017: Clinical Lymphoma, Myeloma & Leukemia
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