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https://www.readbyqxmd.com/read/28934732/long-noncoding-rna-cir-promotes-chondrocyte-extracellular-matrix-degradation-in-osteoarthritis-by-acting-as-a-sponge-for-mir-27b
#1
Yu-Fei Li, Shu-Hua Li, Yong Liu, Ya-Tong Luo
BACKGROUND/AIMS: Osteoarthritis (OA) is a degenerative joint disease characterized by articular cartilage degradation. The degradation of the extracellular matrix (ECM) of chondrocyte is closely associated with the destruction of joints in OA patients. lncRNAs are non-coding segments of RNA that possess important regulatory functions at the cellular level and in a variety of pathophysiological processes. The present study was conducted to investigate whether lncRNA-CIR regulated the expression of MMP13 as a sponge of miR-27 in OA...
September 21, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28934594/noncoding-rnas-in-polycomb-and-trithorax-regulation-a-quantitative-perspective
#2
Leonie Ringrose
The question of how noncoding RNAs are involved in Polycomb group (PcG) and Trithorax group (TrxG) regulation has been on an extraordinary journey over the last three decades. Favored models have risen and fallen, and healthy debates have swept back and forth. The field has recently reached a critical mass of compelling data that throws light on several previously unresolved issues. The time is ripe for a fruitful combination of these findings with two other long-running avenues of research, namely the biochemical properties of the PcG/TrxG system and the application of theoretical mathematical models toward an understanding of the system's regulatory properties...
September 15, 2017: Annual Review of Genetics
https://www.readbyqxmd.com/read/28934561/epigenetic-mechanisms-regulating-adaptive-responses-to-targeted-kinase-inhibitors-in-cancer
#3
Steven P Angus, Jon S Zawistowski, Gary L Johnson
Although targeted inhibition of oncogenic kinase drivers has achieved remarkable patient responses in many cancers, the development of resistance has remained a significant challenge. Numerous mechanisms have been identified, including the acquisition of gatekeeper mutations, activating pathway mutations, and copy number loss or gain of the driver or alternate nodes. These changes have prompted the development of kinase inhibitors with increased selectivity, use of second-line therapeutics to overcome primary resistance, and combination treatment to forestall resistance...
September 15, 2017: Annual Review of Pharmacology and Toxicology
https://www.readbyqxmd.com/read/28934413/factors-extending-the-chronological-lifespan-of-yeast-ecl1-family-genes
#4
Hokuto Ohtsuka, Hirofumi Aiba
Ecl1 family genes are conserved among yeast, in which their overexpression extends chronological lifespan. Ecl1 family genes were first identified in the fission yeast Schizosaccharomyces pombe; at the time, they were considered noncoding RNA owing to their short coding sequence of fewer than 300 base pairs. Schizosaccharomyces pombe carries three Ecl1 family genes, ecl1+, ecl2+ and ecl3+, whereas Saccharomyces cerevisiae has one, ECL1. Their overexpression extends chronological lifespan, increases oxidative stress resistance and induces sexual development in fission yeast...
November 1, 2017: FEMS Yeast Research
https://www.readbyqxmd.com/read/28934383/overexpression-of-micrornas-from-the-gtl2-rian-locus-contributes-to-postnatal-death-in-mice
#5
Soichiro Kumamoto, Nozomi Takahashi, Kayo Nomura, Makoto Fujiwara, Megumi Kijioka, Yoshinobu Uno, Yoichi Matsuda, Yusuke Sotomaru, Tomohiro Kono
The Dlk1-Dio3 imprinted domain functions in embryonic development but the roles of noncoding RNAs expressed from this domain remain unclear. We addressed this question by generating transgenic (TG) mice harbouring a BAC carrying IG-DMR (intergenic-differentially methylated region), Gtl2-DMR, Gtl2, Rtl1/Rtl1as, and part of Rian. High postnatal lethality (>85%) of the BAC-TG pups was observed in the maternally transmitted individuals (MAT-TG), but not following paternal transmission (PAT-TG). The DNA methylation status of IG-DMR and Gtl2-DMR in the BAC-allele was paternally imprinted similar to the genomic allele...
October 1, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28933584/circular-rna-hsa_circ_0001982-promotes-breast-cancer-cell-carcinogenesis-through-decreasing-mir-143
#6
Yi-Yin Tang, Ping Zhao, Tian-Ning Zou, Jia-Jun Duan, Rong Zhi, Si-Yuan Yang, De-Chun Yang, Xiao-Li Wang
Circular RNAs (circRNAs) are a type of noncoding RNAs generated from back-splicing, which have been verified to mediate multiple tumorigenesis. With the development of high-throughput sequencing, massive circRNAs are discovered in tumorous tissue. However, the potential physiological effect of circRNAs in breast cancer is still unknown. The purpose of this study is to investigate the expression profile of circRNA in breast cancer tissue and explore the in-depth regulatory mechanism in breast cancer tumorigenesis...
September 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28931965/polymorphisms-in-lncrna-ptenp1-and-the-risk-of-gastric-cancer-in-a-chinese-population
#7
Yugang Ge, Yu He, Mingkun Jiang, Dakui Luo, Xiangkun Huan, Weizhi Wang, Diancai Zhang, Li Yang, Jundong Zhou
Long noncoding RNA (lncRNA) phosphatase and tensin homolog pseudogene 1 (PTENP1) is significantly downregulated in gastric cancer (GC), playing critical roles in GC progression. However, the association between PTENP1 genetic variants and GC risk has not yet been reported. Using TaqMan technology, three lncRNA PTENP1 tag single nucleotide polymorphisms (tagSNPs) (rs7853346 C>G, rs865005 C>T, and rs10971638 G>A) were genotyped in 768 GC patients and 768 cancer-free controls in a Chinese population. We found that subjects with rs7853346 G allele had a remarkably decreased risk of GC, compared with those carrying C allele (P = 0...
2017: Disease Markers
https://www.readbyqxmd.com/read/28931686/host-noncoding-retrotransposons-induced-by-dna-viruses-a-sine-of-infection
#8
Jessica M Tucker, Britt A Glaunsinger
Our genomes are dominated by repetitive elements. The majority of these elements derive from retrotransposons, which expand throughout the genome through a process of reverse transcription and integration. Short interspersed nuclear elements, or SINEs, are an abundant class of retrotransposons that are transcribed by RNA polymerase III, thus generating exclusively noncoding RNA (ncRNA) that must hijack the machinery required for their transposition. SINE loci are generally transcriptionally repressed in somatic cells, but can be robustly induced upon infection with multiple DNA viruses...
September 20, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28931564/towards-precision-medicine-for-hypertension-a-review-of-genomic-epigenomic-and-microbiomic-effects-on-blood-pressure-in-experimental-rat-models-and-humans
#9
REVIEW
Sandosh Padmanabhan, Bina Joe
Compelling evidence for the inherited nature of essential hypertension has led to extensive research in rats and humans. Rats have served as the primary model for research on the genetics of hypertension resulting in identification of genomic regions that are causally associated with hypertension. In more recent times, genome-wide studies in humans have also begun to improve our understanding of the inheritance of polygenic forms of hypertension. Based on the chronological progression of research into the genetics of hypertension as the "structural backbone," this review catalogs and discusses the rat and human genetic elements mapped and implicated in blood pressure regulation...
October 1, 2017: Physiological Reviews
https://www.readbyqxmd.com/read/28931210/long-noncoding-rna-pcat-1-promotes-invasion-and-metastasis-via-the-mir-129-5p-hmgb1-signaling-pathway-in-hepatocellular-carcinoma
#10
Deyuan Zhang, Jinyu Cao, Qingling Zhong, Liangtao Zeng, Chang Cai, Lang Lei, Wen Zhang, Fanrong Liu
OBJECTIVE: The long non-coding RNA (lncRNA) prostate cancer-associated transcript 1(PCAT-1) has been shown to be dysregulated and exert vital roles in tumorigenesis and progression of various malignancies. However, the precise molecular mechanism in the metastasis and invasion of HCC remain unclear. METHODS: The expression levels of PCAT1 derived from human HCC tissues and cell lines were analyzed through quantitative real-time PCR. QRT-PCR was also applied to detect the expression of HMGB1 and miR-129-5p...
September 16, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28931158/new-mitogenomes-of-two-chinese-stag-beetles-coleoptera-lucanidae-and-their-implications-for-systematics
#11
Zi-Qi Lin, Fan Song, Teng Li, Yuan-Yuan Wu, Xia Wan
Although conspicuous and well-studied, stag beetles have been slow to join the genomic era. In this study, mitochondrial genomes of two stag beetles, Sinodendron yunnanense and Prosopocoilus confucius, are sequenced for the first time. Both of their genomes consisted of 13 protein-coding genes (PCGs), 22 transfer RNA genes (tRNAs), 2 ribosomal RNAs (rRNAs), and a control region. The mitogenome of S. yunnanense was 16,921 bp in length, and P. confucius was 16,951 bp. The location of the gene trnL(UUR), between the A + T-rich and control region in S...
January 1, 2017: Journal of Insect Science
https://www.readbyqxmd.com/read/28931080/low-serum-level-of-mir-485-3p-predicts-poor-survival-in-patients-with-glioblastoma
#12
Zhi-Qiang Wang, Mei-Yin Zhang, Mei-Ling Deng, Nuo-Qing Weng, Hui-Yun Wang, Shao-Xiong Wu
MicroRNAs (miRNAs) are short noncoding RNAs that play critical roles in human malignancies and can be used as biomarkers for cancer. Until now, a number of biomarkers for prognosis of glioblastoma (GBM) have been reported in tumor tissues but only a few biomarkers in circulating fluid. Using a custom microarray, we previously identified 19 differentially expressed miRNAs in serum of patients with GBM. In this study, we investigated whether 3 of the 19 miRNAs in serum could be used as prognostic biomarkers for patients with GBM...
2017: PloS One
https://www.readbyqxmd.com/read/28929110/retracted-long-noncoding-rna-kiaa0125-potentiates-cell-migration-and-invasion-in-gallbladder-cancer
#13
BioMed Research International
[This retracts the article DOI: 10.1155/2015/108458.].
2017: BioMed Research International
https://www.readbyqxmd.com/read/28928947/puzzles-in-modern-biology-v-why-are-genomes-overwired
#14
Steven A Frank
Many factors affect eukaryotic gene expression. Transcription factors, histone codes, DNA folding, and noncoding RNA modulate expression. Those factors interact in large, broadly connected regulatory control networks. An engineer following classical principles of control theory would design a simpler regulatory network. Why are genomes overwired? Neutrality or enhanced robustness may lead to the accumulation of additional factors that complicate network architecture. Dynamics progresses like a ratchet. New factors get added...
2017: F1000Research
https://www.readbyqxmd.com/read/28928830/overexpression-of-long-noncoding-rna-peg10-promotes-proliferation-invasion-and-metastasis-of-hypopharyngeal-squamous-cell-carcinoma
#15
Miaoqing Zhao, Dianshui Sun, Xinwei Li, Ying Xu, Hao Zhang, Yejun Qin, Ming Xia
The present study aimed to investigate the impact of overexpression of long noncoding RNA PEG10 (lncRNA PEG10) on the proliferation, invasion and metastasis of hypopharyngeal squamous cell carcinoma (HSCC). Quantitative reverse transcription polymerase chain reaction was used to quantify lncRNA PEG10 expression levels in HSCC tumor tissues samples, para-carcinoma tissue samples and the HSCC FaDu cell line. Cell proliferation assays, Transwell invasion assays and wound healing assays were used to evaluate the effects of lncRNA PEG10 on FaDu cells in vitro...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28928602/lncrna-nonratt021972-was-associated-with-neuropathic-pain-scoring-in-patients-with-type-2-diabetes
#16
Wei Yu, Guo-Qing Zhao, Rang-Juan Cao, Zhi-Hua Zhu, Kai Li
BACKGROUND: Long noncoding RNAs were involved in the processes of diabetes. Our study was aimed to explore clinical potential of LncRNA NONRATT021972 in diabetic neuropathic pain and investigate detailed mechanisms. METHODS: 154 patients with type 2 diabetes were enrolled as experimental group paired with control. Patients without diabetes but neuropathy were enrolled to explore exclusive role of LncRNA NONRATT021972 in neuropathy. Real-time PCR and ELISA were performed to examine expression of LncRNA and TNF-α in flood...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28928231/the-role-of-circrnas-in-cancers
#17
Ling-Ping Zhu, Yun-Jie He, Jun-Chen Hou, Xiu Chen, Si-Ying Zhou, Su-Jin Yang, Jian Li, He-Da Zhang, Jia-Hua Hu, Shan-Liang Zhong, Jian-Hua Zhao, Jin-Hai Tang
Circular RNAs (circRNAs) are recently regarded as a naturally forming family of widespread and diverse endogenous noncoding RNAs that may regulate gene expression in mammals. At present, above 30,000 circRNAs have already been found, with their unique structures to maintain stability more easily than linear RNAs. Several previous literatures stressed on the important role of circRNAs, whose expression was relatively correlated with patients' clinical characteristics and grade, in the carcinogenesis of cancer...
September 19, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/28928124/emerging-mechanisms-of-long-noncoding-rna-function-during-normal-and-malignant-hematopoiesis
#18
Juan R Alvarez-Dominguez, Harvey F Lodish
Long noncoding RNAs (lncRNAs) are increasingly recognized as vital components of gene programs controlling cell differentiation and function. Central to their functions is an ability to act as scaffolds or as decoys that recruit or sequester effector proteins from their DNA, RNA, or protein targets. lncRNA-modulated effectors include regulators of transcription, chromatin organization, RNA processing, and translation, such that lncRNAs can influence gene expression at multiple levels. Here we review the current understanding of how lncRNAs help coordinate gene expression to modulate cell fate in the hematopoietic system...
September 19, 2017: Blood
https://www.readbyqxmd.com/read/28925938/circulating-micrornas-and-bioinformatics-tools-to-discover-novel-diagnostic-biomarkers-of-pediatric-diseases
#19
REVIEW
Antonella Baldassarre, Cristina Felli, Giorgio Prantera, Andrea Masotti
MicroRNAs (miRNAs) are small noncoding RNAs that regulate gene expression at the post-transcriptional level. Current studies have shown that miRNAs are also present in extracellular spaces, packaged into various membrane-bound vesicles, or associated with RNA-binding proteins. Circulating miRNAs are highly stable and can act as intercellular messengers to affect many physiological processes. MicroRNAs circulating in body fluids have generated strong interest in their potential use as clinical biomarkers. In fact, their remarkable stability and the relative ease of detection make circulating miRNAs ideal tools for rapid and non-invasive diagnosis...
September 19, 2017: Genes
https://www.readbyqxmd.com/read/28925486/long-non-coding-rna-foxd2-as1-functions-as-a-tumor-promoter-in-colorectal-cancer-by-regulating-emt-and-notch-signaling-pathway
#20
X Yang, B Duan, X Zhou
OBJECTIVE: A growing number of long noncoding RNAs (lncRNAs) are emerging as new modulators in cancer origination and progression. However, the functions and molecular mechanisms of lncRNAs to colorectal cancer (CRC) are still largely unknown. The aim of this study was to investigate the function and role of lncRNA FOXD2-AS1 (FOXD2-AS1) in human CRC. PATIENTS AND METHODS: The expression of FOXD2-AS1 was investigated using Real-time reverse transcription-polymerase chain reaction (qRT-PCR) in 45 CRC specimens and matched adjacent normal tissues and CRC cell lines...
August 2017: European Review for Medical and Pharmacological Sciences
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