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https://www.readbyqxmd.com/read/29679926/peripheral-artery-disease-a-micro-rna-related-condition
#1
REVIEW
Georgia Vogiatzi, Evangelos Oikonomou, Spyridon Deftereos, Gerasimos Siasos, Dimitris Tousoulis
Peripheral artery disease (PAD) is a vascular problem of diffuse atherosclerosis and is a major cause of cardiovascular morbidity and mortality. Many studies have tried to gain insight into the molecular mechanisms involved in PAD. Lately, highly stable circulating small noncoding RNAs, microRNAs (miRNAs), seem to have disease-specific expression. Thus, miRNAs are emerging as new measurable diagnostic biomarkers and a start point for individualized treatment. To date, the association of miRNA regulation in angiogenesis and maintenance of vascular integrity in PAD has attracted little interest...
April 18, 2018: Current Opinion in Pharmacology
https://www.readbyqxmd.com/read/29679906/microrna-876-5p-inhibits-epithelial-mesenchymal-transition-and-metastasis-of-hepatocellular-carcinoma-by-targeting-bcl6-corepressor-like-1
#2
Qiuran Xu, Qiaojuan Zhu, Zhenyu Zhou, Yufeng Wang, Xin Liu, Guozhi Yin, Xiangmin Tong, Kangsheng Tu
Our previous study has reported that BCL6 corepressor like 1 (BCORL1) plays an oncogenic role in hepatocellular carcinoma (HCC) via promoting epithelial-mesenchymal transition (EMT) and tumor metastasis. However, the regulation of BCORL1 mediated by microRNAs (miRNAs) remains poorly known. The analysis of our clinical samples indicated that BCORL1 expression was markedly higher in HCC tissues than that in tumor-adjacent normal tissues. The Cancer Genome Atlas (TCGA) and Gene Expression Omnibus (GEO) datasets revealed that high BCORL1 expression associated with high tumor grade, advanced tumor stage and poor survival of HCC patients...
April 18, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29679758/validation-and-bioinformatic-analysis-of-propofol-induced-differentially-expressed-micrornas-in-primary-cultured-neural-stem-cells
#3
Yan Li, Youtan Liu, Jun Fan, Quan Zhou, Xiuling Song, Zhiyong Peng, Zaisheng Qin, Tao Tao
Propofol, a widely used intravenous anesthetic, was previously considered as a neuroprotective agent. Recently, however, accumulating evidence suggests that it may cause neurotoxicity, especially in the development of neural stem cells (NSCs). The potential mechanisms contributing to propofol-induced neurotoxicity during neurogenesis, such as those involving microRNAs (miRNAs), are still unknown. In this study, a total of 27 differentially expressed miRNAs were identified in our initial screen and 6 miRNAs were validated by qRT-PCR...
April 18, 2018: Gene
https://www.readbyqxmd.com/read/29679644/non-viral-based-mir-delivery-and-recent-developments
#4
REVIEW
Annalise Elizabeth Labatut, George Mattheolabakis
miRNAs are promising therapeutic targets or tools for the treatment of numerous diseases, with most prominently, cancer. The inherent capacity of these short nucleic acids to regulate multiple cancer-related pathways simultaneously has prompted strong research on understanding miR functions and their potential use for therapeutic purposes. A key determinant of miR therapeutics' potential for treatment is their delivery. Viral and non-viral vectors attempt to address the major limitations associated with miR delivery, but several hurdles have been identified...
April 18, 2018: European Journal of Pharmaceutics and Biopharmaceutics
https://www.readbyqxmd.com/read/29679626/microrna-expression-profile-in-plasma-from-type-1-diabetic-patients-case-control-study-and-bioinformatic-analysis
#5
Taís S Assmann, Mariana Recamonde-Mendoza, Márcia Puñales, Balduíno Tschiedel, Luís H Canani, Daisy Crispim
AIMS: To investigate a miRNA expression profile in plasma of type 1 diabetes (T1DM) patients and control subjects and analyze the putative pathways involved. METHODS: Expressions of 48 miRNAs were analyzed in plasma of 33 T1DM patients and 26 age-and-gender-matched controls using Stem-loop RT-PreAmp PCR and TaqMan Low Density Arrays (Thermo Fisher Scientific). Five dysregulated miRNAs were then chosen for validation in an independent sample of 27 T1DM patients and 14 controls, using RT-qPCR...
April 18, 2018: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29679611/control-of-t-cell-effector-functions-by-mirnas
#6
Daniel P Inácio, Tiago Amado, Bruno Silva-Santos, Anita Q Gomes
The differentiation of effector T cells is a tightly regulated process that relies on the selective expression of lineage-defining master regulators that orchestrate unique transcriptional programs, including the production of distinct sets of effector cytokines. miRNAs are post-transcriptional regulators that are now viewed as critical players in these gene expression networks and help defining cell identity and function. This review summarises the role of individual miRNAs in the regulation of the differentiation of effector T cell subsets, including CD4+ T helper cells, cytotoxic CD8+ T cells and innate-like NKT cells...
April 18, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29679573/circrna-expression-analysis-in-lung-adenocarcinoma-comparison-of-paired-fresh-frozen-and-formalin-fixed-paraffin-embedded-specimens
#7
Fan Zhang, Xing Zhao, Hongyan Dong, Jianzhen Xu
Circular RNA (circRNAs) is a novel class of endogenous non-coding RNAs which is widely involved in carcinogenesis. Archived formalin-fixed paraffin-embedded (FFPE) specimens represent valuable resources for cancer research. Currently there is a lack of systematic analysis on the feasibility of circRNAs expression analysis using FFPE samples. Here, we reported the first comparison study of circRNA expression from paired fresh frozen and FFPE specimens of lung adenocarcinoma. circRNAs expression of paired lung adenocarcinoma and adjacent normal samples, starting from either fresh frozen or FFPE materials, were analyzed via a high-throughput circRNA microarray...
April 18, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29679569/ddx1-regulates-alternative-splicing-and-insulin-secretion-in-pancreatic-%C3%AE-cells
#8
Wen Zhong, Zonghong Li, Maoge Zhou, Tao Xu, You Wang
DEAD-box helicase 1 (DDX1) is a multifunction protein involved in diverse cellular processes including transcription, viral replication, mRNA/miRNA processing, and tRNA splicing. Here, we report a novel function of DDX1 in mRNA alternative splicing in pancreatic β cells. By performing integrated data analysis of high-throughput RNA sequencing (RNA-Seq), and cross-linking and immunoprecipitation coupled with deep sequencing (CLIP-Seq), we identify hundreds of alternative splicing genes that are targeted by DDX1...
April 18, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29679565/activation-of-tlr3-and-its-adaptor-ticam-1-increases-mir-21-levels-in-extracellular-vesicles-released-from-human-cells
#9
Yoshimi Fukushima, Masaaki Okamoto, Kana Ishikawa, Takahisa Kouwaki, Hirotake Tsukamoto, Hiroyuki Oshiumi
Pattern-recognition receptors (PRRs) recognizes viral RNAs and trigger the innate immune responses. Toll-like receptor 3 (TLR3), a PRR, recognizes viral double-stranded RNA (dsRNA) in endolysosomes, whereas cytoplasmic dsRNA is sensed by another PRR, MDA5. TLR3 and MDA5 utilize TICAM-1 and MAVS, respectively, to trigger the signal for inducing innate immune responses. Extracellular vesicles (EVs) include the exosomes and microvesicles; an accumulating body of evidence has shown that EVs delivers functional RNA, such as microRNAs (miRNAs), to other cells and thus mediate intercellular communications...
April 18, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29679553/potential-diagnostic-role-of-circulating-mirnas-in-breast-cancer-implications-on-clinicopathological-characters
#10
Menha Swellam, Hekmat M El Magdoub, Naglaa M Hassan, Mona M Hefny, Mohamed Emam Sobeih
BACKGROUND: Circulating miRNAs are stable in body fluids and resembles their levels in cancer tissue/cells. They have been expressed in many cancers among them is breast cancer. Authors aimed to investigate the expression level of three circulating oncomiRNAs (miRNA-21, miRNA-222 and miRNA-373) in serum samples as a minimally non-invasive method for early detection of breast cancer, and study their relation with clinicopathological characters. METHODS: MiRNAs expression levels were determined using quantitative real-time polymerase chain reaction (qPCR) in serum samples from three groups: primary breast cancer patients (n = 137), benign breast lesion patients (n = 60), and healthy individuals as control group (n = 38)...
April 18, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29679068/profiling-of-179-mirna-expression-in-blood-plasma-of-lung-cancer-patients-and-cancer-free-individuals
#11
Ivan A Zaporozhchenko, Evgeny S Morozkin, Anastasia A Ponomaryova, Elena Y Rykova, Nadezhda V Cherdyntseva, Aleksandr A Zheravin, Oksana A Pashkovskaya, Evgeny A Pokushalov, Valentin V Vlassov, Pavel P Laktionov
Lung cancer is one of major cancers, and survival of lung cancer patients is dictated by the timely detection and diagnosis. Cell-free circulating miRNAs were proposed as candidate biomarkers for lung cancer. These RNAs are frequently deregulated in lung cancer and can persist in bodily fluids for extended periods of time, shielded from degradation by membrane vesicles and biopolymer complexes. To date, several groups reported the presence of lung tumour-specific subsets of miRNAs in blood. Here we describe the profiling of blood plasma miRNAs in lung cancer patients, healthy individuals and endobronchitis patients using miRCURY LNA miRNA qPCR Serum/Plasma Panel (Exiqon)...
April 20, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29678584/genome-wide-profiles-of-metastasis-associated-mrnas-and-micrornas-in-salivary-adenoid-cystic-carcinoma
#12
Shubin Wang, Lei Zhang, Pengwei Shi, Yuanyuan Zhang, Hong Zhou, Xuanping Cao
Salivary adenoid cystic carcinoma (SACC) is often accompanied with poor prognosis due to local recurrence, distant metastasis, and perineural invasion. The mechanism involved in SACC metastasis is not yet fully understood. In this study, we profiled the expression of messenger RNA (mRNA) and microRNA (miRNA) in an SACC cell line, ACC-2, and a highly metastatic SACC cell line, ACC-M, using high-throughput sequencing. We discovered that: (1) differentially expressed (DE) mRNAs and DE miRNAs are potentially involved in SACC metastasis; (2) multiple regulatory interactions between DE miRNAs and DE mRNAs exist; and (3) miR-338-5p/3p target LAMC2 to impair motility and invasion of ACC-M and MDA-MB-231 cells...
April 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29678580/microrna-185-inhibits-the-growth-and-proliferation-of-osteoblasts-in-fracture-healing-by-targeting-pth-gene-through-down-regulating-wnt-%C3%AE-catenin-axis-in-an-animal-experiment
#13
Chang-Jiang Yao, Yang Lv, Cheng-Jun Zhang, Jia-Xin Jin, Li-Hu Xu, Jin Jiang, Bin Geng, Hong Li, Ya-Yi Xia, Meng Wu
Fracture healing is a repair process of a mechanical discontinuity loss of force transmission, and pathological mobility of bone. Increasing evidence suggests that microRNA (miRNA) could regulate chondrocyte, osteoblast, and osteoclast differentiation and function, indicating miRNA as key regulators of bone formation, resorption, remodeling, and repair. Hence, during this study, we established a right femur fracture mouse model to explore the effect microRNA-185 (miR-185) has on osteoblasts in mice during fracture healing and its underlying mechanism...
April 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29678577/mir-485-5p-suppresses-breast-cancer-progression-and-chemosensitivity-by-targeting-survivin
#14
Meng Wang, Wen-Run Cai, Ran Meng, Jiang-Rui Chi, Yun-Rui Li, Ao-Xiang Chen, Yue Yu, Xu-Chen Cao
Breast cancer is the most common cancer among women worldwide. Chemoresistance remains to be a considerable obstacle in breast cancer therapy and it is often involves dysregulation of a variety of microRNAs (miRNAs). miR-485-5p functions as a tumor suppressor in several types of human cancers. However, its role in breast cancer chemosensitivity have not been determined. In the present study, we demonstrated that overexpression of miR-485-5p suppresses breast cancer progression and enhances chemosensitivity both in vitro and in vivo...
April 17, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29677532/sulforaphane-promotes-apoptosis-and-inhibits-proliferation-and-self-renewal-of-nasopharyngeal-cancer-cells-by-targeting-stat-signal-through-mirna-124-3p
#15
Xiqing Li, Zunlan Zhao, Ming Li, Mingyue Liu, Andres Bahena, Yaping Zhang, Yuwei Zhang, Chetan Nambiar, Guangzhi Liu
Sulforaphane (SF) exhibits an anti-tumor effect in a variety of cancers, but little is known about its function in nasopharyngeal carcinoma. SF could decrease the expression of stem cell markers, β-catenin, Nanog, c-Myc, Oct3/4 and Sox2 in nasopharyngeal cancer cells (HONE1 and SUN1), and inhibit the formation of tumor spheres. Moreover, SF inhibits proliferation and induces apoptosis decreasing the stemness of nasopharyngeal cancer cells through a mechanism related to STAT3 signaling in vitro. We found that SF inhibits total STAT3 expression level and STAT3 phosphorylation (troy 704 and troy 705) by upregulation of miRNA-124-3p...
April 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29677441/homologous-mirna-analyses-using-a-combinatorial-nanosensor-array-with-two-dimensional-nanoparticles
#16
Mustafa Salih Hizir, Nidhi Nandu, Mehmet Veysel Yigit
A novel combinatorial nanosensor array for miRNA analyses was assembled using the intrinsic non-covalent interactions of unmodified two-dimensional nanoparticles. Discrimination of nine miRNA analogs with as little as a single nucleotide difference was demonstrated under four hours. All nine targets were identified simultaneously with 95% confidence. The developed nanotechnology offered identification and quantification of unknown targets with unknown concentration. Discrimination of target mixtures from low-to-high ratios was demonstrated...
April 20, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29677213/ifn-%C3%AE-and-micrornas-are-important-modulators-of-the-pulmonary-innate-immune-response-against-influenza-a-h1n2-infection-in-pigs
#17
Louise Brogaard, Lars E Larsen, Peter M H Heegaard, Christian Anthon, Jan Gorodkin, Ralf Dürrwald, Kerstin Skovgaard
The innate immune system is paramount in the response to and clearance of influenza A virus (IAV) infection in non-immune individuals. Known factors include type I and III interferons and antiviral pathogen recognition receptors, and the cascades of antiviral and pro- and anti-inflammatory gene expression they induce. MicroRNAs (miRNAs) are increasingly recognized to participate in post-transcriptional modulation of these responses, but the temporal dynamics of how these players of the antiviral innate immune response collaborate to combat infection remain poorly characterized...
2018: PloS One
https://www.readbyqxmd.com/read/29677166/in-vitro-identification-of-new-transcriptomic-and-mirnomic-profiles-associated-with-pulmonary-fibrosis-induced-by-high-doses-everolimus-looking-for-new-pathogenetic-markers-and-therapeutic-targets
#18
Simona Granata, Gloria Santoro, Valentina Masola, Paola Tomei, Fabio Sallustio, Paola Pontrelli, Matteo Accetturo, Nadia Antonucci, Pierluigi Carratù, Antonio Lupo, Gianluigi Zaza
The administration of Everolimus (EVE), a mTOR inhibitor used in transplantation and cancer, is often associated with adverse effects including pulmonary fibrosis. Although the underlying mechanism is not fully clarified, this condition could be in part caused by epithelial to mesenchymal transition (EMT) of airway cells. To improve our knowledge, primary bronchial epithelial cells (BE63/3) were treated with EVE (5 and 100 nM) for 24 h. EMT markers (α-SMA, vimentin, fibronectin) were measured by RT-PCR. Transepithelial resistance was measured by Millicell-ERS ohmmeter...
April 20, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29676930/high-value-bioproducts-from-microalgae-strategies-and-progress
#19
Ming-Hua Liang, Jianhua Zhu, Jian-Guo Jiang
Microalgae have been considered as alternative sustainable resources for high-value bioproducts such as lipids (especially triacylglycerides [TAGs]), polyunsaturated fatty acids (PUFAs), and carotenoids, due to their relatively high photosynthetic efficiency, no arable land requirement, and ease of scale-up. It is of great significance to exploit microalgae for the production of high-value bioproducts. How to improve the content or productivity of specific bioproducts has become one of the most urgent challenges...
April 20, 2018: Critical Reviews in Food Science and Nutrition
https://www.readbyqxmd.com/read/29676832/circulating-mirnas-in-acute-new-onset-atrial-fibrillation-and-their-target-mrna-network
#20
Ananília Medeiros Gomes da Silva, Jéssica Nayara Góes de Araújo, Katiene Macêdo de Oliveira, Ana Eloísa Melo Novaes, Mariana Borges Lopes, Júlio César Vieira de Sousa, Antônio Amorim de Araújo Filho, André Ducati Luchessi, Adriana Augusto de Rezende, Mário Hiroyuki Hirata, Vivian Nogueira Silbiger
BACKGROUND: MicroRNAs (miRNAs) are involved in the pathogenesis of atrial fibrillation (AF), acting on development and progression. Our pilot study investigated the expression of six miRNAs and their miRNA-mRNA interactions in patients with acute new-onset AF, well-controlled AF, and normal sinus rhythm (controls). METHODS AND RESULTS: Plasma of acute new-onset AF patients (n = 5) was collected in the emergency room when patients presented with irregular and fast-atrial fibrillation rhythm...
April 20, 2018: Journal of Cardiovascular Electrophysiology
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