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microRNA lipid

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https://www.readbyqxmd.com/read/28540143/association-between-coronary-artery-disease-and-microrna-literature-review-and-clinical-perspective
#1
Rehan Malik, Raja S Mushtaque, Usman A Siddiqui, Adnan Younus, Muhammad A Aziz, Choudhry Humayun, Kanaan Mansoor, Muhammad A Latif, Salman Waheed, Salman Assad, Idrees Khan, Syed M Bukhari, Daniel DelCampo, Ali Adus, Swetha Gannarapu
BACKGROUND: Until recently, circulating micro-RNAs (miRNAs) have attracted major interest as novel biomarkers for the early diagnosis of coronary artery disease (CAD). This review article summarizes the available evidence on the correlation of micro-RNAs with both the clinical and subclinical coronary artery disease and highlights the necessity for exploring miRNAs as a potential diagnostic and prognostic biomarker of early CAD in an adult population. METHODS: A systematic literature analysis and retrieval online systems Public/Publisher MEDLINE/ Excerpta Medica Database /Medical Literature Analysis and Retrieval System Online,(PUBMED/EMBASE/MEDLINE) search were conducted for relevant information...
April 23, 2017: Curēus
https://www.readbyqxmd.com/read/28536328/-microrna-in-various-aspects-of-cancer-development
#2
Sho Nambara, Koshi Mimori
MicroRNAs(miRNAs)are small(18-25 nucleotides)noncoding RNA molecules that bind to partially complementary mRNA sequences, resulting in target degradation or translation inhibition. A single miRNA can influence the expression of hundreds of target genes, and miRNAs have been implicated as key molecules in various diseases, including cancer. Many studies have shown that the miRNAs play an important role in cancer cells and tumor microenvironment and may be biomarkers for early detection and therapeutic targets for various cancers...
May 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28534160/micrornas-new-therapeutic-targets-for-familial-hypercholesterolemia
#3
REVIEW
Amir Abbas Momtazi, Maciej Banach, Matteo Pirro, Evan A Stein, Amirhossein Sahebkar
Familial hypercholesterolemia (FH) is the most common inherited form of dyslipidemia and a major cause of premature cardiovascular disease. Management of FH mainly relies on the efficiency of treatments that reduce plasma low-density lipoprotein (LDL) cholesterol (LDL-C) concentrations. MicroRNAs (miRs) have been suggested as emerging regulators of plasma LDL-C concentrations. Notably, there is evidence showing that miRs can regulate the post-transcriptional expression of genes involved in the pathogenesis of FH, including LDLR, APOB, PCSK9, and LDLRAP1...
May 22, 2017: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/28527797/mir-26b-promoter-analysis-reveals-regulatory-mechanisms-by-lipid-related-transcription-factors-in-goat-mammary-epithelial-cells
#4
Hui Wang, Jun Luo, Qiuya He, Dawei Yao, Jiao Wu, Juan J Loor
MicroRNA (miRNA) regulate protein abundance and control diverse aspects of cellular processes and biological functions associated with lipid metabolism. MiR-26b and its host gene CTDSP1 regulate triacylglycerol synthesis by synergistically suppressing the insulin-induced gene 1 (INSIG1); however, the direct regulators of miR-26b expression remain unknown. In the present study, we characterized the activity of a novel putative promoter region in miR-26b. Results revealed that promoter activity and miR-26b expression are dynamically regulated by different transcription factors including peroxisome proliferator-activated receptor gamma (PPARG), sterol regulatory element binding transcription factor 1 (SREBF1), and liver X receptor α (LXRα)...
May 17, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28502800/microrna-211-regulates-oxidative-phosphorylation-and-energy-metabolism-in-human-vitiligo
#5
Anupama Sahoo, Bongyong Lee, Katia Boniface, Julien Seneschal, Sanjaya K Sahoo, Tatsuya Seki, Chunyan Wang, Soumen Das, Xianlin Han, Michael Steppie, Sudipta Seal, Alain Taieb, Ranjan J Perera
Vitiligo is a common, chronic skin disorder characterized by loss of epidermal melanocytes and progressive depigmentation. Vitiligo has complex immune, genetic, environmental, and biochemical etiology, but the exact molecular mechanisms of vitiligo development and progression, particularly those related to metabolic control, are poorly understood. Here we characterized the human vitiligo cell line PIG3V and the normal human melanocytes, HEM-l by RNA-sequencing (RNA-seq), targeted metabolomics, and shotgun lipidomics...
May 11, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28502511/functional-analysis-of-new-3-untranslated-regions-genetic-variants-in-genes-associated-with-genetic-hypercholesterolemias
#6
Flor María Pérez-Campo, Isabel De Castro-Orós, Alicia Noriega, Montserrat Cofán, Itziar Lamiquiz-Moneo, Ana Cenarro, Emilio Ros, Fernando Civeira, Miguel Pocoví, José Carlos Rodríguez-Rey
BACKGROUND: Familial hypercholesterolemia (FH) is the best-described autosomal dominant genetic hypercholesterolemia (GH). Mutations in candidate genes can explain a high proportion of FH cases, but for many, no causative mutations are detected (designed non-FG-GH), suggesting the existence of additional genetic variants associated with the disease. OBJECTIVE: We aimed to identify new single-nucleotide variants (SNVs) located at the 3' untranslated regions (3'UTRs) of the low-density lipoprotein receptor, low-density lipoprotein receptor-related protein-associated protein 1, ATP-binding cassette sub-family G member 5, and sterol regulatory element-binding protein 2 genes in non-FH-GH individuals and investigated whether the association of these SNVs with non-FH-GH could be explained by changes in the affinity of regulatory microRNAs (miRNA) targeting the sequences modified by the SNVs...
March 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28496562/epigenetics-of-lipid-phenotypes
#7
Sergi Sayols-Baixeras, Marguerite R Irvin, Donna K Arnett, Roberto Elosua, Stella W Aslibekyan
Dyslipidemia is a well-established risk factor for cardiovascular disease, the main cause of death worldwide. Blood lipid profiles are patterned by both genetic and environmental factors. In recent years, epigenetics has emerged as a paradigm that unifies these influences. In this review, we have summarized the latest evidence implicating epigenetic mechanisms-DNA methylation, histone modification, and regulation by RNAs-in lipid homeostasis. Key findings have emerged in a number of novel epigenetic loci located in biologically plausible genes (e...
October 2016: Current Cardiovascular Risk Reports
https://www.readbyqxmd.com/read/28494740/nucleic-acids-based-nanotherapeutics-crossing-the-blood-brain-barrier
#8
Noha Nafee, Noha Gouda
The restless endeavors revealing the molecular pathways underlying many neurodegenerative diseases and brain tumors have paved the way for the introduction of the selective exogenous gene-based therapeutics. The implicated active biomolecules encompass mainly negatively-charged nucleic acids ranging from DNA, mRNA, non-coding RNAs (small-interfering RNA, siRNA, and microRNA, miRNA), to antisense oligonucleotides. They selectively interfere with the genes translational and/or transcriptional processes. Although many reviews previously addressed brain targeting, a thorough correlation between the molecular properties of these biomacromolecules, the nature of blood brain barrier (BBB) in the accompanying pathological condition, the intracellular targets, as well as the design of the delivery system which will transport the bioactive cargo to the target cells attempting efficient delivery to the active sites in the brain will be appraised...
May 10, 2017: Current Gene Therapy
https://www.readbyqxmd.com/read/28483554/downregulation-of-mir-192-causes-hepatic-steatosis-and-lipid-accumulation-by-inducing-srebf1-novel-mechanism-for-bisphenol-a-triggered-non-alcoholic-fatty-liver-disease
#9
Yi Lin, Dongxiao Ding, Qiansheng Huang, Qiong Liu, Haoyang Lu, Yanyang Lu, Yulang Chi, Xia Sun, Guozhu Ye, Huimin Zhu, Jie Wei, Sijun Dong
Exposure to Bisphenol A (BPA) has been associated with the development of non-alcoholic fatty liver disease (NAFLD) but the underlying mechanism remains unclear. Given that microRNA (miRNA) is recognized as a key regulator of lipid metabolism and a potential mediator of environmental cues, this study was designed to explore whether exposure to BPA-triggered abnormal steatosis and whether lipid accumulation in the liver could be modulated by miR-192. We showed that male post-weaning C57BL/6 mice exposed to 50μg/kg/day of BPA by oral gavage for 90days displayed a NAFLD-like phenotype...
May 5, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28476065/extracellular-vesicles-in-the-antiphospholipid-syndrome
#10
Shruti Chaturvedi, Ravi Alluri, Keith R McCrae
Antiphospholipid antibodies (aPL), particularly those directed against β2-glycoprotein I, cause activation of vascular cells (endothelial cells, platelets, monocytes) and release of extracellular vesicles (EVs), which include exosomes and microparticles (MPs). MPs, particularly endothelial MPs, have been most extensively studied in antiphospholipid syndrome (APS). Compared with healthy controls, patients with aPL have significantly higher levels of circulating endothelial and platelet MPs, including MPs expressing immunological and functional tissue factor...
May 5, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28446531/mining-exosomal-genes-for-pancreatic-cancer-targets
#11
Amy Makler, Ramaswamy Narayanan
BACKGROUND: Exosomes, cell-derived vesicles encompassing lipids, DNA, proteins coding genes and noncoding RNAs (ncRNAs) are present in diverse body fluids. They offer novel biomarker and drug therapy potential for diverse diseases, including cancer. MATERIALS AND METHODS: Using gene ontology, exosomal genes database and GeneCards metadata analysis tools, a database of cancer-associated protein coding genes and ncRNAs (n=2,777) was established. Variant analysis, expression profiling and pathway mapping were used to identify putative pancreatic cancer exosomal gene candidates...
May 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28445161/zerumbone-ameliorates-high-fat-diet-induced-adiposity-by-restoring-ampk-regulated-lipogenesis-and-microrna-146b-sirt1-mediated-adipogenesis
#12
Jiyun Ahn, Hyunjung Lee, Chang Hwa Jung, Won Hee Choi, Tae Youl Ha
Obesity is characterized by increased fat mass, as adipose tissue serves as a storage site for excess energy from food consumption. In obesity, altered lipid metabolism of adipose tissue, characterized by fatty acid uptake, de novo lipogenesis, and lipolysis, are induced. In this study, we examined the effect of zerumbone, a major sesquiterpene from wild ginger, on high-fat diet (HF)-induced obesity and dysregulated lipid metabolism in the white adipose tissues (WAT) of C57BL/6N mice. Dietary supplementation with zerumbone ameliorated HF-induced obesity and improved impaired lipid metabolism in WAT...
April 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28439258/diabetic-cardiomyopathy-an-immunometabolic-perspective
#13
REVIEW
Paras K Mishra, Wei Ying, Shyam Sundar Nandi, Gautam K Bandyopadhyay, Kaushik K Patel, Sushil K Mahata
The heart possesses a remarkable inherent capability to adapt itself to a wide array of genetic and extrinsic factors to maintain contractile function. Failure to sustain its compensatory responses results in cardiac dysfunction, leading to cardiomyopathy. Diabetic cardiomyopathy (DCM) is characterized by left ventricular hypertrophy and reduced diastolic function, with or without concurrent systolic dysfunction in the absence of hypertension and coronary artery disease. Changes in substrate metabolism, oxidative stress, endoplasmic reticulum stress, formation of extracellular matrix proteins, and advanced glycation end products constitute the early stage in DCM...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28431855/relationship-between-long-noncoding-rnas-and-physiological-risk-factors-of-cardiovascular-disease
#14
REVIEW
Moshen Mazidi, Peter Penson, Anna Gluba-Brzozka, Jacek Rysz, Maciej Banach
Long noncoding ribonucleic acids (lncRNAs) are an important category of noncoding RNAs that play crucial roles in controlling the expression of genes in health and in a range of illnesses including cardiovascular disease. A large body of genetic, experimental, and epidemiologic evidence suggests roles for an increasing number of lncRNAs in the regulation of metabolism, lipid profile, inflammation, and glucose metabolism in type II diabetes. Importantly, it has been suggested that lncRNAs can regulate chromatin alteration, messenger RNA stability, microRNA action, and can control transcription factors...
March 27, 2017: Journal of Clinical Lipidology
https://www.readbyqxmd.com/read/28428217/microrna-33-regulates-macrophage-autophagy-in-atherosclerosis
#15
Mireille Ouimet, Hasini Ediriweera, Milessa Silva Afonso, Bhama Ramkhelawon, Ragunath Singaravelu, Xianghai Liao, Rachel C Bandler, Karishma Rahman, Edward A Fisher, Katey J Rayner, John P Pezacki, Ira Tabas, Kathryn J Moore
OBJECTIVE: Defective autophagy in macrophages leads to pathological processes that contribute to atherosclerosis, including impaired cholesterol metabolism and defective efferocytosis. Autophagy promotes the degradation of cytoplasmic components in lysosomes and plays a key role in the catabolism of stored lipids to maintain cellular homeostasis. microRNA-33 (miR-33) is a post-transcriptional regulator of genes involved in cholesterol homeostasis, yet the complete mechanisms by which miR-33 controls lipid metabolism are unknown...
April 20, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28422941/metabolism-related-micrornas-in-maternal-breast-milk-are-influenced-by-premature-delivery
#16
Molly C Carney, Andrij Tarasiuk, Susan L DiAngelo, Patricia Silveyra, Abigail Podany, Leann L Birch, Ian M Paul, Shannon Kelleher, Steven D Hicks
BACKGROUND: Maternal breast milk (MBM) is enriched in microRNAs, factors that regulate protein translation throughout the human body. MBM from mothers of term and preterm infants differ in nutrient, hormone, and bioactive-factor composition, but the microRNA differences between these groups have not been compared. We hypothesized that gestational age at delivery influences microRNA in MBM, particularly microRNAs involved in immunologic and metabolic regulation. METHODS: MBM from mothers of premature infants (pMBM) obtained 3-4 weeks post-delivery was compared with MBM from mothers of term infants obtained at birth (tColostrum) and 3-4 weeks post-delivery (tMBM)...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28412904/the-role-of-exosomes-and-exosome-derived-micrornas-in-atherosclerosis
#17
Xinjie Lu
BACKGROUND: Atherosclerosis is the leading cause of death and morbidity throughout industrialized nations, accounting for one-fifth of all deaths globally. Exosomes are bi-lipid membranous vesicles containing protein, lipid and nucleic acid contents that are released from cells via the endolysosomal pathway. Exosomes are derived from several cells including macrophages, dendritic cells, platelets as well as human serum. METHODS: In this review, an overview of recent advances and the evidence for the role exosomes and exosome-derived microRNAs (miRNAs) in atherosclerosis are provided...
April 13, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28412359/potentiation-of-docetaxel-sensitivity-by-mir-638-via-regulation-of-stard10-pathway-in-human-breast-cancer-cells
#18
Ge Zhao, Ying Li, Ting Wang
Acquired resistance to classical chemotherapeutics such as docetaxel (DTX) remains a critical challenge in breast cancer (BCa) treatment. Epigenetic modification by microRNAs (miRNAs) has been shown to play a crucial role in cancer drug resistance. Previous study, using human drug-resistant BCa tissues, has identified miR-638 as one of the most down-regulated miRNAs, but its exact roles and underlying mechanisms during the pathogenesis of chemoresistance remain to be determined. In the current study, we found that miR-638 expression was significantly down-regulated in clinical DTX-resistant BCa tissues compared to that in DTX-sensitive BCa tissues...
April 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28404597/altered-mirna-29-expression-in-type-2-diabetes-influences-glucose-and-lipid-metabolism-in-skeletal-muscle
#19
Julie Massart, Rasmus J O Sjögren, Leonidas S Lundell, Jonathan M Mudry, Niclas Franck, Donal J O'Gorman, Brendan Egan, Juleen R Zierath, Anna Krook
MicroRNAs have emerged as important regulators of glucose and lipid metabolism in several tissues, however, their role in skeletal muscle remains poorly characterized. We determined the effects of the miR-29 family on glucose and lipid metabolism, and insulin responsiveness in skeletal muscle. We provide evidence that miR-29a and miR-29c are increased in skeletal muscle from type 2 diabetic patients and decreased following endurance training in healthy young men and in rats. In primary human skeletal muscle cells, inhibition and overexpression strategies demonstrate that miR-29a and miR-29c regulate glucose uptake and insulin-stimulated glucose metabolism...
April 12, 2017: Diabetes
https://www.readbyqxmd.com/read/28403518/formation-of-the-igf1r-cav1-src-tri-complex-antagonizes-trail-induced-apoptosis-in-gastric-cancer-cells
#20
Tianshu Guo, Ling Xu, Xiaofang Che, Simeng Zhang, Ce Li, Jin Wang, Jing Gong, Rui Ma, Yibo Fan, Kezuo Hou, Huiming Zhou, Xuejun Hu, Yunpeng Liu, Xiujuan Qu
Lipid rafts provide a biological platform for apoptosis induced by tumor necrosis factor-related apoptosis-inducing ligand (TRAIL). We previously reported that insulin-like growth factor 1 receptor (IGF1R) translocation into lipid rafts helped to explain TRAIL resistance. However, it was not clear whether TRAIL resistance was caused by the interaction of IGF1R with caveolin-1 (CAV1) and the non-receptor tyrosine kinase SRC in lipid rafts of gastric cancer cells. Here, we observed high IGF1R expression in TRAIL-resistant gastric cancer cells, and showed that IGF1R combined with both CAV1 and SRC in a native complex...
April 12, 2017: Cell Biology International
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