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Microrna and serum

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https://www.readbyqxmd.com/read/29051037/serum-microrna-signature-predicts-response-to-high-dose-radiation-therapy-in-locally-advanced-non-small-cell-lung-cancer
#1
Yilun Sun, Peter G Hawkins, Nan Bi, Robert T Dess, Muneesh Tewari, Jason W D Hearn, James A Hayman, Gregory P Kalemkerian, Theodore S Lawrence, Randall K Ten Haken, Martha M Matuszak, Feng-Ming Kong, Shruti Jolly, Matthew J Schipper
PURPOSE: To assess the utility of circulating serum microRNAs (c-miRNAs) to predict response to high-dose radiation therapy for locally advanced non-small cell lung cancer (NSCLC). METHODS AND MATERIALS: Data from 80 patients treated from 2004 to 2013 with definitive standard- or high-dose radiation therapy for stages II-III NSCLC as part of 4 prospective institutional clinical trials were evaluated. Pretreatment serum levels of 62 miRNAs were measured by quantitative reverse transcription-polymerase chain reaction array...
September 4, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/29050253/differential-expression-of-exosomal-mirnas-between-breast-cancer-patients-with-and-without-recurrence
#2
Aiko Sueta, Yutaka Yamamoto, Mai Tomiguchi, Takashi Takeshita, Mutsuko Yamamoto-Ibusuki, Hirotaka Iwase
BACKGROUND: Exosomal microRNAs (miRNAs) are promising candidate biomarkers for diagnosis or prognosis for breast cancer. We investigated the prognostic role of exosomal miRNAs in serum samples derived from patients with breast cancer and compared miRNA expression between serum and tumor tissues. METHODS: The miRNA profile derived from exosome between breast cancer patients with recurrence (n = 16) and without recurrence (n = 16) were compared by miRNA PCR array...
September 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29045034/differential-expression-profiles-of-circulating-micrornas-in-newborns-associated-to-maternal-pregestational-overweight-and-obesity
#3
A Méndez-Mancilla, V Lima-Rogel, J C Toro-Ortíz, F Escalante-Padrón, A E Monsiváis-Urenda, D E Noyola, M Salgado-Bustamante
BACKGROUND: The perinatal environment has a role in the establishment of altered metabolic and inflammatory responses, and could be modulated by microRNAs regulating immune and metabolic processes. OBJECTIVE: To analyze the expression profile of four circulating microRNAs and cytokine serum concentrations in neonates born to overweight and obese women. METHODS: Pregnant women were included and grouped by pregestational body mass index (21 with normal weight, 10 overweight and 10 obese women)...
October 17, 2017: Pediatric Obesity
https://www.readbyqxmd.com/read/29043654/evaluation-of-selected-micrornas-expression-in-remission-phase-of-multiple-sclerosis-and-their-potential-link-to-cognition-depression-and-disability
#4
Marta Niwald, Monika Migdalska-Sęk, Ewa Brzeziańska-Lasota, Elżbieta Miller
Accumulating data suggests that miRNAs might play a major role in neuroinflammatory processes. Therefore, our study aimed to first estimate the levels of miR-155, miR-326, and miR-301a in serum of RR-MS patients in the remission phase and then compare the levels of the examined miRNAs at different times after relapse. In this study, 36 RR-MS patients in the remission phase took part. We analyzed two subgroups of RR-MS: one, 1 to 2 months after completing steroid treatment during relapse (post-acute; n = 13) and the other, over 2 years without any relapse (stable; n = 23)...
October 17, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29040578/systemic-inflammation-induced-by-micrornas-endometriosis-derived-alterations-in-circulating-microrna-125b-5p-and-let7b-5p-regulate-macrophage-cytokine-production
#5
Sepide E Nematian, Ramanaiah Mamillapalli, Trisha S Kadakia, Masoumeh Majidi Zolbin, Sarah Moustafa, Hugh S Taylor
Context: Endometriosis is characterized by aberrant inflammation. We previously reported increased levels of miRNA 125b-5p and decreased levels of miRNA let 7b-5p in serum of patients with endometriosis. Objective: Determine the regulatory function of microRNAs 125b-5p and Let 7b-5p on production of pro-inflammatory cytokines in endometriosis. Design: Case-control study. Setting: University hospital. Patients: Women with (20) and without (26) endometriosis; human U937 macrophage cell line...
October 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29039586/a-single-nucleotide-polymorphism-located-in-microrna-499a-causes-loss-of-function-resulting-in-increased-expression-of-osbpl1a-and-reduced-serum-hdl-level
#6
Li-Bo Chen, Hai-Kuo Zheng, Lei Zhang, Zhe An, Xin-Peng Wang, Rui-Ting Shan, Wen-Qi Zhang
Atherosclerosis is the main pathological process that induces CVD (cardiovascular diseases), and the objective of our study was explore whether miR‑499a rs3746444 polymorphism was associated with the HDL level, one of the risk factors of atherosclerosis. Online public miRNA database was utilized to predict the miR‑499a target, and luciferase assay was conducted to confirm that miR‑499a targeted osbpl1a, then western blot analysis and real-time PCR were performed to verify miRNA-mRNA regulatory relationship between miR‑499a and osbpl1a...
October 9, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29039453/microrna-125a-3p-is-involved-in-early-behavioral-disorders-in-stroke-afflicted-rats-through-the-regulation-of-cadm2
#7
Yuqing Liu, Yunjun Li, Zhenxing Ren, Wenwen Si, Yiwei Li, Gang Wei, Wenguang Zhao, Jianhong Zhou, Yage Tian, Dongfeng Chen
Ischemic strokes carry a significant risk of mortality and recurrent vascular events. Recent studies suggest that changes in microRNAs (miRNAs or miRs) may affect the development of the stroke. However, few studies have investigated the role of miRNAs in behavioral disorder in early stroke. In the present study, animal models of middle cerebral artery occlusion (MCAO) are used, as well as a cell model of neurite outgrowth to further investigate the role of miRNAs in targeting synapse-associated proteins expression in early stroke...
October 10, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29038786/micrornas-as-biomarkers-in-thyroid-carcinoma
#8
REVIEW
Marilena Celano, Francesca Rosignolo, Valentina Maggisano, Valeria Pecce, Michelangelo Iannone, Diego Russo, Stefania Bulotta
Optimal management of patients with thyroid cancer requires the use of sensitive and specific biomarkers. For early diagnosis and effective follow-up, the currently available cytological and serum biomarkers, thyroglobulin and calcitonin, present severe limitations. Research on microRNA expression in thyroid tumors is providing new insights for the development of novel biomarkers that can be used to diagnose thyroid cancer and optimize its management. In this review, we will examine some of the methods commonly used to detect and quantify microRNA in biospecimens from patients with thyroid tumor, as well as the potential applications of these techniques for developing microRNA-based biomarkers for the diagnosis and prognostic evaluation of thyroid cancers...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/29038785/biological-function-of-microrna193a-3p-in-health-and-disease
#9
REVIEW
Ilaria Grossi, Alessandro Salvi, Edoardo Abeni, Eleonora Marchina, Giuseppina De Petro
MicroRNAs (miRNAs) are a class of small noncoding RNAs that act mainly as negative regulators of gene expression. Several studies demonstrated that miRNAs take part in numerous biological processes, such as proliferation, apoptosis, and migration. The dysregulation of miRNAs has been frequently observed in different types of disease, including cancer. Here, we provide a comprehensive review on the human miR-193a-3p by considering its role in both physiological and pathological contexts. Different mechanisms involved in regulating miR-193a-3p expression have been reported, including epigenetic modifications and transcription factors...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/29037479/circulating-mirnas-in-nontumoral-liver-diseases
#10
REVIEW
Alex Evangelista do Amaral, Júlia Cisilotto, Tânia Beatriz Creczynski-Pasa, Leonardo Lucca Schiavon
In recent years, there has been increasing interest in finding new biomarkers for diagnosis and prognostication of liver diseases. MicroRNAs (miRNAs) are small noncoding RNA molecules involved in the regulation of gene expression and have been studied in relation to several conditions, including liver disease. Mature miRNAs can reach the bloodstream by passive release or by incorporation into lipoprotein complexes or microvesicles, and have stable and reproducible concentrations among individuals. In this review, we summarize studies involving circulating miRNAs sourced from the serum or plasma of patients with nontumoral liver diseases in attempt to bring insights in the use of miRNAs as biomarkers for diagnosis, as well as for prognosis of such diseases...
October 13, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29036818/a-9-microrna-signature-in-serum-serves-as-a-noninvasive-biomarker-in-early-diagnosis-of-alzheimer-s-disease
#11
Rui Guo, Gang Fan, Jian Zhang, Chunxiao Wu, Yifeng Du, Hui Ye, Zhang Li, Lili Wang, Zhihui Zhang, Lu Zhang, Yueran Zhao, Zhiming Lu
Alzheimer's disease (AD) is the most common type of age-related neurodegenerative disorder; nevertheless, nowadays there are no reliable biomarkers or non-invasive techniques available for its early detection. Recent studies have indicated that the circulating level profiles of microRNAs (miRNAs) have the potential to be used as valuable biomarkers for diagnosis, staging, and progress monitoring of various diseases. Here we report a novel 9-miRNA signature (hsa-miR-26a-5p, hsa-miR-181c-3p, hsa-miR-126-5p, hsa-miR-22-3p, hsa-miR-148b-5p, hsa-miR-106b-3p, hsa-miR-6119-5p, hsa-miR-1246, and hsa-miR-660-5p) that can be utilized as biomarker for detecting AD...
October 12, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29035457/evaluation-of-mir-203-expression-levels-and-dna-promoter-methylation-status-in-serum-of-patients-with-endometrial-cancer
#12
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/29031207/microrna-25-inhibits-high-glucose-induced-apoptosis-in-renal-tubular-epithelial-cells-via-pten-akt-pathway
#13
Huicong Li, Xiaoguang Zhu, Junwei Zhang, Jun Shi
Diabetic nephropathy (DN) has become the major cause of end-stage renal disease (ESRD). It has been demonstrated that apoptosis of renal tubular epithelial cells induced by hyperglycemia contributes to the pathogenesis of DN. Recent researches have corroborated the critical roles of microRNAs (miRNAs) in the apoptosis of various types of cells including renal tubular epithelial cells. However, the eff ; ;ect of miRNAs on the hyperglycemia-induced apoptosis of renal tubular epithelial cells remains unclear...
October 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29030826/analysis-of-microrna-mediated-translation-activation-of-in-vitro-transcribed-reporters-in-quiescent-cells
#14
Syed I A Bukhari, Samuel S Truesdell, Shobha Vasudevan
Quiescence (G0) is defined as an assortment of cell cycle arrested states that exhibit distinct properties. Leukemias harbor a subpopulation of G0 cells that can be enriched by growth factor deprivation or serum starvation. Target site reporters with shortened poly(A) tails show translation activation by microRNAs, via a noncanonical mechanism, when introduced into the nucleus of G0 cells. This is because recruitment by the activation causing FXR1a-microRNA-protein complex (FXR1a-microRNP) is nuclear and requires shortened poly(A) tails to avoid repressive factors and canonical translation...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29030663/extraction-of-micrornas-from-biological-matrices-with-titanium-dioxide-nanofibers
#15
Luis A Jimenez, Marissa A Gionet-Gonzales, Sabrina Sedano, Jocelyn G Carballo, Yomara Mendez, Wenwan Zhong
MicroRNAs (miRNAs) are small RNAs that bind to mRNA targets and regulate their translation. A functional study of miRNAs and exploration of their utility as disease markers require miRNA extraction from biological samples, which contain large amounts of interfering compounds for downstream RNA identification and quantification. The most common extraction methods employ silica columns or the TRIzol reagent but give out low recovery for small RNAs probably due to their short strand lengths. Herein, we fabricated the titanium dioxide nanofibers using electrospinning to facilitate miRNA extraction and developed the optimal buffer conditions to improve miRNA recovery from biological matrices of cell lysate and serum...
October 13, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/29030400/microrna-signature-of-cigarette-smoking-and-evidence-for-a-putative-causal-role-of-micrornas-in-smoking-related-inflammation-and-target-organ-damage
#16
Christine M Willinger, Jian Rong, Kahraman Tanriverdi, Paul L Courchesne, Tianxiao Huan, Gregory A Wasserman, Honghuang Lin, Josée Dupuis, Roby Joehanes, Matthew R Jones, George Chen, Emelia J Benjamin, George T O'Connor, Joseph P Mizgerd, Jane E Freedman, Martin G Larson, Daniel Levy
BACKGROUND: Cigarette smoking increases risk for multiple diseases. MicroRNAs regulate gene expression and may play a role in smoking-induced target organ damage. We sought to describe a microRNA signature of cigarette smoking and relate it to smoking-associated clinical phenotypes, gene expression, and lung inflammatory signaling. METHODS AND RESULTS: Expression profiling of 283 microRNAs was conducted on whole blood-derived RNA from 5023 Framingham Heart Study participants (54...
October 2017: Circulation. Cardiovascular Genetics
https://www.readbyqxmd.com/read/29030340/microrna-206-correlates-with-left-ventricular-function-after-transcatheter-aortic-valve-implantation-tavi
#17
Jan A Kleeberger, Jonas Neuser, David de Gonzalo-Calvo, Tibor Kempf, Johann Bauersachs, Thomas Thum, Julian D Widder
Transcatheter aortic valve implantation (TAVI) is the method of choice in patients with high risk or contraindications for conventional aortic valve replacement. However, it is not well understood which parameters predict the overall cardiac function post- procedurally. MicroRNAs (miRNA/ miR) are small non-coding RNA molecules that repress gene expression by different mechanisms and can also be detected in the blood. Recent studies have shown that miRNAs detected in the blood may serve as sensitive and specific biomarkers in various diseases, therefore we examined the levels of different microRNAs in the serum of patients undergoing TAVI...
October 13, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29029418/identification-of-circulating-microrna-signatures-as-potential-noninvasive-biomarkers-for-prediction-and-prognosis-of-lymph-node-metastasis-in-gastric-cancer
#18
Xiumei Jiang, Wenfei Wang, Yongmei Yang, Lutao Du, Xiaoyun Yang, Lili Wang, Guixi Zheng, Weili Duan, Rui Wang, Xin Zhang, Lishui Wang, Xiaoyang Chen, Chuanxin Wang
Circulating microRNAs (miRNAs) are emerging as novel noninvasive biomarkers for prediction of lymph node metastasis (LNM) in cancer. The aim of this study was to identify serum miRNA signatures for prediction and prognosis of LNM in gastric cancer (GC). MiSeq sequencing was performed for an initial screening of serum miRNAs in 10 GC patients with LNM, 10 patients without LNM and 10 healthy controls. Reverse transcription quantitative real-time PCR was applied to confirm concentration of candidate miRNAs using a training cohort (n = 279) and a validation cohort (n = 180)...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29028093/mir-144-3p-serves-as-a-tumor-suppressor-by-targeting-fzd7-and-predicts-the-prognosis-of-human-glioblastoma
#19
Z-X Cheng, Y-X Song, Z-Y Wang, Y Wang, Y Dong
OBJECTIVE: Previous research indicated that miR-144-3p was associated with the regulation of the carcinogenic processes, but the role of miR-144-3p in glioblastoma (GBM) remains unclear. In this study, we aimed to analyze the role of miR-144-3p in GBM. PATIENTS AND METHODS: The expression of miR-144-3p was measured in GBM tissues and adjacent non-malignant tissues using qRT-PCR. The correlation of miR-144-3p with clinicopathological features and prognosis was also analyzed...
September 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29027393/down-regulated-serum-microrna-101-is-associated-with-aggressive-progression-and-poor-prognosis-of-cervical-cancer
#20
Wei Jiang, Jia Jia Pan, Ying Hui Deng, Mei Rong Liang, Li Hua Yao
OBJECTIVE: MicroRNAs (miRNAs) play a vital role in pathogenesis and progression of many cancers, including cervical cancer. However, importance of serum level of miR-101 in cervical cancer has rarely been studied. In the present study, clinical significance and prognostic value of serum miR-101 for cervical cancer was investigated. METHODS: Association between miR-101 level in cervical cancer tissues and prognosis of patients was analyzed by using data retrieved from The Cancer Genome Atlas (TCGA) database, which was followed with our clinical study in which miR-101 serum level comparison between cervical cancer patients and healthy controls was conducted by real-time quantitative polymerase chain reaction (PCR)...
November 2017: Journal of Gynecologic Oncology
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