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https://www.readbyqxmd.com/read/28916639/small-rna-seq-during-acute-maximal-exercise-reveal-rnas-involved-in-vascular-inflammation-and-cardiometabolic-health
#1
Ravi Shah, Ashish S Yeri, Avash Das, Amanda Courtright-Lim, Olivia Ziegler, Ernest Gervino, Jeffrey Ocel, Pablo Quintero Pinzon, Luke Wooster, Cole Shields Bailey, Kahraman Tanriverdi, Lea Beaulieu, Jane E Freedman, Ionita Ghiran, Gregory D Lewis, Kendall Van Keuren-Jensen, Saumya Das
OBJECTIVE: Exercise improves cardiometabolic and vascular function, though mechanisms remain unclear. Our objective was to demonstrate the diversity of circulating extracellular RNA (ex-RNA) release during acute exercise in humans and its relevance to exercise-mediated benefits on vascular inflammation. Approach and Results: We performed plasma small RNA sequencing (RNA-seq) in 26 individuals undergoing symptom-limited maximal treadmill exercise, with replication of our top candidate miRNA in a separate cohort of 59 individuals undergoing bicycle ergometry...
September 15, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28916633/systems-genetics-identifies-a-co-regulated-module-of-liver-micrornas-associated-with-plasma-ldl-cholesterol-in-murine-diet-induced-dyslipidemia
#2
Alisha R Coffey, Tangi L Smallwood, Jody Albright, Kunjie Hua, Matt Kanke, Daniel Pomp, Brian J Bennett, Praveen Sethupathy
Chronically altered levels of circulating lipids, termed dyslipidemia, is a significant risk factor for a number of metabolic and cardiovascular morbidities. MicroRNAs (miRNAs) have emerged as important regulators of lipid balance, have been implicated in dyslipidemia, and have been proposed as candidate therapeutic targets in lipid-related disorders including atherosclerosis. A major limitation of most murine studies of miRNAs in lipid metabolic disorders is that they have been performed in just one (or very few) inbred strains, such as C57BL/6...
September 15, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28914096/micrornas-as-biomarkers-for-clinical-studies
#3
Igor P Pogribny
The development of better diagnostic and prognostic non-invasive biomarkers holds an enormous potential to improve the ability to diagnose and individualize treatment of a great number of human diseases and substantially reduce health care cost. The discovery of a fundamental role of microRNAs in the disease pathogenesis and their presence and stability in biological fluids has led to extensive investigation of the role of microRNAs as potential non-invasive biomarkers for disease diagnosis and prognosis. The result of this research has suggested that alterations of microRNAs may be sensitive indicators of various pathologies; however, despite the indisputable progress in this field, the diagnostic promise of microRNAs has remained a work in progress, and circulating microRNAs have not entered the field of clinical medicine yet...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28910345/circulating-mrnas-and-mirnas-as-candidate-markers-for-the-diagnosis-and-prognosis-of-prostate-cancer
#4
Marilesia Ferreira de Souza, Hellen Kuasne, Mateus de Camargo Barros-Filho, Heloísa Lizotti Cilião, Fabio Albuquerque Marchi, Paulo Emilio Fuganti, Alexandre Rossi Paschoal, Silvia Regina Rogatto, Ilce Mara de Syllos Cólus
Circulating nucleic acids are found in free form in body fluids and may serve as minimally invasive tools for cancer diagnosis and prognosis. Only a few studies have investigated the potential application of circulating mRNAs and microRNAs (miRNAs) in prostate cancer (PCa). The Cancer Genome Atlas (TCGA) database was used for an in silico analysis to identify circulating mRNA and miRNA as potential markers of PCa. A total of 2,267 genes and 49 miRNAs were differentially expressed between normal and tumor samples...
2017: PloS One
https://www.readbyqxmd.com/read/28906481/insights-into-the-diagnostic-potential-of-extracellular-vesicles-and-their-mirna-signature-from-liquid-biopsy-as-early-biomarkers-of-diabetic-micro-macrovascular-complications
#5
REVIEW
Valeria La Marca, Alessandra Fierabracci
Extracellular vesicles (EVs) represent a heterogeneous population of small vesicles, consisting of a phospholipidic bilayer surrounding a soluble interior cargo. Almost all cell types release EVs, thus they are naturally present in all body fluids. Among the several potential applications, EVs could be used as drug delivery vehicles in disease treatment, in immune therapy because of their immunomodulatory properties and in regenerative medicine. In addition to general markers, EVs are characterized by the presence of specific biomarkers (proteins and miRNAs) that allow the identification of their cell or tissue origin...
September 14, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28906477/microrna-signaling-in-embryo-development
#6
REVIEW
Nicole Gross, Jenna Kropp, Hasan Khatib
Expression of microRNAs (miRNAs) is essential for embryonic development and serves important roles in gametogenesis. miRNAs are secreted into the extracellular environment by the embryo during the preimplantation stage of development. Several cell types secrete miRNAs into biological fluids in the extracellular environment. These fluid-derived miRNAs have been shown to circulate the body. Stable transport is dependent on proper packaging of the miRNAs into extracellular vesicles (EVs), including exosomes. These vesicles, which also contain RNA, DNA and proteins, are on the forefront of research on cell-to-cell communication...
September 14, 2017: Biology
https://www.readbyqxmd.com/read/28903345/profiling-of-metastatic-small-intestine-neuroendocrine-tumors-reveals-characteristic-mirnas-detectable-in-plasma
#7
Michaela Bowden, Chensheng W Zhou, Sui Zhang, Lauren Brais, Ashley Rossi, Laurent Naudin, Arunthi Thiagalingam, Ewa Sicinska, Matthew H Kulke
BACKGROUND: Current diagnostic and prognostic blood-based biomarkers for neuroendocrine tumors are limited. MiRNAs have tumor-specific expression patterns, are relatively stable, and can be measured in patient blood specimens. We performed a multi-stage study to identify and validate characteristic circulating miRNAs in patients with metastatic small intestine neuroendocrine tumors, and to assess associations between miRNA levels and survival. METHODS: Using a 742-miRNA panel, we identified candidate miRNAs similarly expressed in 19 small intestine neuroendocrine tumors and matched plasma samples...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28900608/comparative-analysis-of-microrna-expression-among-benign-and-malignant-tongue-tissue-and-plasma-of-patients-with-tongue-cancer
#8
Guilherme Rabinowits, Michaela Bowden, Ludmila M Flores, Sigitas Verselis, Victoria Vergara, Vickie Y Jo, Nicole Chau, Jochen Lorch, Peter S Hammerman, Tom Thomas, Laura A Goguen, Donald Annino, Jonathan D Schoenfeld, Danielle N Margalit, Roy B Tishler, Robert I Haddad
BACKGROUND: Identification of a microRNA (miRNA) pattern to be used as a biomarker for HNSCC is challenging given the heterogeneity of the disease and different methodologies used. To better define the field, we performed a prospective analysis of blood, tumor, and paired benign tissues in tongue squamous cell carcinoma (SCC) patients. METHODS: Plasma samples were collected prior to surgery, and paired tumor and benign tissue blocks were collected from tongue cancer resections...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28898588/micrornas-in-the-pathogenesis-of-type-2-diabetes-new-research-progress-and-future-direction
#9
Chenggui Miao, Guoxue Zhang, Zhongwen Xie, Jun Chang
MicroRNA (miRNA) is a short non-coding RNA that can influence messenger RNA (mRNA) processing at the post-transcriptional level. A large number of miRNAs have been found in virtually all species so far, and these small molecules play an important role in many different physiological processes and various pathologic conditions, such as cell metabolism, cancer, autoimmune disease, and diabetes mellitus. Type 2 diabetes (T2D) arises from a dysregulated response to the elevated glucose level in the circulation...
September 12, 2017: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/28892656/plasma-let-7i-and-mir-15a-expression-are-associated-with-the-effect-of-recombinant-tissue-plasminogen-activator-treatment-in-acute-ischemic-stroke-patients
#10
Wei Xiang, Canhui Tian, Jingru Lin, Xiaohui Wu, Guanlai Pang, Liang Zhou, Suyue Pan, Zhen Deng
Circulating microRNAs (miRNAs) have been reported as diagnosis biomarkers and predictors in acute ischemic stroke (AIS). However, how the expression of circulating miRNAs changes after recombinant tissue plasminogen activator (rt-PA) treatment in AIS patients is still unknown. OBJECTIVE: To determine the expression of circulating miRNAs in AIS patients receiving rt-PA treatment and those not receiving it. METHODS: Blood samples were collected 24h after onset from 40 AIS patients receiving rt-PA treatment and 46 AIS patients (admission at 8-24h of onset) not receiving rt-PA treatment...
September 5, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28891455/epigenetic-biomarkers-for-risk-assessment-of-particulate-matter-associated-lung-cancer
#11
Arpit Bhargava, Neha Bunkar, Aniket Aglawe, Kailash Chand Pandey, Rajnarayan Tiwari, Koel Chaudhury, Irina Yu Goryacheva, Pradyumna Kumar Mishra
BACKGROUND: Particulate matter directly emitted into the air by sources such as combustion processes and windblown dust, or formed in the atmosphere by transformation of emitted gases are the major contributors to air pollution that triggers a diverse array of human pathologies including lung cancer. The mortality in lung cancer is usually high as the disease is not symptomatic at its early treatable stage. Moreover, available methods for screening are costly and mainly rely on imaging techniques which lack sufficient sensitivity and specificity...
September 10, 2017: Current Drug Targets
https://www.readbyqxmd.com/read/28891208/serum-microrna-150-predicts-prognosis-for-early-stage-non-small-cell-lung-cancer-and-promotes-tumor-cell-proliferation-by-targeting-tumor-suppressor-gene-srcin1
#12
Liren Zhang, Jing Lin, Yuanqing Ye, Taro Oba, Emanuela Gentile, Jie Lian, Jing Wang, Yang Zhao, Jian Gu, Ignacio I Wistuba, Jack A Roth, Lin Ji, Xifeng Wu
This integrative multistage study was aimed to identify circulating miRNAs as prognostic biomarkers and investigate treatment target for early-stage non-small cell lung cancer (NSCLC) patients. In stage I-II NSCLC patients, we screened and validated miRNA ratio signatures predictive of prognosis in serum. In tumor, we found that the expression of miR-150 in identified miRNA signatures was also associated with survival. Increased miR-150 expression promoted NSCLC cell proliferation and migration and vice versa...
September 10, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28890884/circulating-mir-92a-mir-143-and-mir-342-in-plasma-are-novel-potential-biomarkers-for-acute-myeloid-leukemia
#13
Amr Rafat Elhamamsy, Muhammad Suleiman El Sharkawy, Ahmed Farouk Zanaty, Mohammed Ahmed Mahrous, Ahmed Ezzat Mohamed, Eslam Ahmed Abushaaban
MicroRNAs (miRNAs) are small non-coding RNAs that function as post-transcriptional gene expression regulators. The expression profiling of miRNAs has already entered into cancer clinics as diagnostic and prognostic biomarkers to assess tumor initiation, progression and response to treatment in cancer patients. Recent studies have opened the way for the use of circulating miRNAs as non-invasive diagnosis and prognosis of Acute myeloid leukemia (AML). The aim of this study was to identify plasma miR-92a, miR-143 and miR-342 expression signatures in AML patients to introduce new markers for establishing AML diagnosis and prognosis...
2017: International Journal of Molecular and Cellular Medicine
https://www.readbyqxmd.com/read/28884117/the-role-of-mirnas-as-biomarkers-for-pregnancy-outcomes-a-comprehensive-review
#14
REVIEW
Martina Barchitta, Andrea Maugeri, Annalisa Quattrocchi, Ottavia Agrifoglio, Antonella Agodi
Several studies showed that altered expression of the miRNA-ome in maternal circulation or in placental tissue may reflect not only gestational disorders, such as preeclampsia, spontaneous abortion, preterm birth, low birth weight, or macrosomia, but also prenatal exposure to environmental pollutants. Generally, the relationships between environmental exposure, changes in miRNA expression, and gestational disorders are explored separately, producing conflicting findings. However, validation of tissue-accessible biomarkers for the monitoring of adverse pregnancy outcomes needs a systematic methodological approach that takes also into account early-life environmental exposure...
2017: International Journal of Genomics
https://www.readbyqxmd.com/read/28883647/circulating-mir-122-and-mir-200a-as-biomarkers-for-fatal-liver-disease-in-art-treated-hiv-1-infected-individuals
#15
Daniel D Murray, Kazuo Suzuki, Matthew Law, Jonel Trebicka, Jacquie Neuhaus Nordwall, Margaret Johnson, Michael J Vjecha, Anthony D Kelleher, Sean Emery
Liver disease is one of the main contributors to the increased levels of morbidity and mortality seen in the HIV-1-infected, ART-treated population. Circulating miRNAs, particularly those located inside extracellular vesicles, are seen as promising biomarkers for a number of human disease conditions, including liver-related diseases. Here, we show that serum levels of miR-122 and miR-200a are greater in HIV/HCV co-infected individuals compared to HIV-1 mono-infected individuals. We also show that miR-122 and miR-200a are elevated in ART-treated, HIV-1-infected individuals prior to the development of fatal liver disease, suggesting that these miRNA may have some potential clinical utility as biomarkers...
September 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28880477/exosomes-as-new-players-in-metabolic-organ-cross-talk
#16
REVIEW
Claudiane Guay, Romano Regazzi
Blood glucose homeostasis requires a constant communication between insulin-secreting and insulin-sensitive cells. A wide variety of circulating factors, including hormones, cytokines and chemokines work together to orchestrate the systemic response of metabolic organs to changes in the nutritional state. Failure in the coordination between these organs can lead to a rise in blood glucose levels and to the appearance of metabolic disorders such as diabetes mellitus. Exosomes are small extracellular vesicles (EVs) that are produced via the endosomal pathway and are released from the cells upon fusion of multivesicular bodies with the plasma membrane...
September 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28880270/circulating-micrornas-in-breast-cancer-novel-diagnostic-and-prognostic-biomarkers
#17
REVIEW
Rimi Hamam, Dana Hamam, Khalid A Alsaleh, Moustapha Kassem, Waleed Zaher, Musaad Alfayez, Abdullah Aldahmash, Nehad M Alajez
Effective management of breast cancer depends on early diagnosis and proper monitoring of patients' response to therapy. However, these goals are difficult to achieve because of the lack of sensitive and specific biomarkers for early detection and for disease monitoring. Accumulating evidence in the past several years has highlighted the potential use of peripheral blood circulating nucleic acids such as DNA, mRNA and micro (mi)RNA in breast cancer diagnosis, prognosis and for monitoring response to anticancer therapy...
September 7, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28878865/micrornas-and-clinical-implications-in-hepatocellular-carcinoma
#18
Amal Ahmed Mohamed, Zainab A Ali-Eldin, Tamer A Elbedewy, Magdy El-Serafy, Fatma A Ali-Eldin, Hossameldin AbdelAziz
AIM: To assess the role of some circulating miRNAs (miR-23a, miR-203, miR338, miR-34, and miR-16) as tumor markers for diagnosis of hepatocellular carcinoma (HCC). METHODS: One hundred and seventy-one subjects were enrolled, 57 patients with HCC, 57 patients with liver cirrhosis (LC) and 57 healthy subjects as control group. Severity of liver disease was assessed by Child Pugh score. Tumor staging was done using Okuda staging system. Quantification of Micro RNA (miR-23a, miR-203, miR338, miR-34, and miR-16) was performed...
August 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28878141/intestinal-and-circulating-micrornas-in-coeliac-disease
#19
REVIEW
Cristina Felli, Antonella Baldassarre, Andrea Masotti
MicroRNAs (miRNAs) are short non-coding RNAs that regulate gene expression at the post-transcriptional level and play a key role in the pathogenesis of autoimmune and gastrointestinal diseases. Previous studies have revealed that miRNAs are dysregulated in intestinal biopsies of patients affected by coeliac disease (CD). Combined bioinformatics analyses of miRNA expression profiles and mRNA target genes as classified by Gene Ontology, are powerful tools to investigate the functional role of miRNAs in coeliac disease...
September 6, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28878093/implications-of-microrna-dysregulation-in-the-development-of-prostate-cancer
#20
REVIEW
Cintia Massillo, Guillermo N Dalton, Paula L Farré, Paola De Luca, Adriana De Siervi
MicroRNAs (miRNAs) are non-coding small RNAs that target mRNA to reduce protein expression. They play fundamental roles in several diseases, including prostate cancer (PCa). A single miRNA can target hundreds of mRNAs and coordinately regulate them, which implicates them in nearly every biological pathway. Hence, miRNAs modulate proliferation, cell cycle, apoptosis, adhesion, migration, invasion and metastasis, most of them constituting crucial hallmarks of cancer. Due to these properties, miRNAs emerged as promising tools for diagnostic, prognosis and management of cancer patients...
October 2017: Reproduction: the Official Journal of the Society for the Study of Fertility
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