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https://www.readbyqxmd.com/read/29644261/detection-and-analysis-of-circular-rnas-by-rt-pcr
#1
Amaresh C Panda, Myriam Gorospe
Gene expression in eukaryotic cells is tightly regulated at the transcriptional and posttranscriptional levels. Posttranscriptional processes, including pre-mRNA splicing, mRNA export, mRNA turnover, and mRNA translation, are controlled by RNA-binding proteins (RBPs) and noncoding (nc)RNAs. The vast family of ncRNAs comprises diverse regulatory RNAs, such as microRNAs and long noncoding (lnc)RNAs, but also the poorly explored class of circular (circ)RNAs. Although first discovered more than three decades ago by electron microscopy, only the advent of high-throughput RNA-sequencing (RNA-seq) and the development of innovative bioinformatic pipelines have begun to allow the systematic identification of circRNAs (Szabo and Salzman, 2016; Panda et al ...
March 20, 2018: Bio-protocol
https://www.readbyqxmd.com/read/29626476/long-non-coding-rna-thor-promotes-human-osteosarcoma-cell-growth-in-vitro-and-in-vivo
#2
Wangzhen Chen, Meikai Chen, Yifan Xu, Xuerong Chen, Ping Zhou, Xiaofeng Zhao, Fei Pang, Wenqing Liang
Long non-coding RNA (LncRNA) dysregulation is associated with human osteosarcoma (OS) cell progression. Recent studies have characterized a novel but ultra-conserved LncRNA THOR ("Lnc-THOR") as a cancer-specific LncRNA, mediating cell growth. In the current study, we show that Lnc-THOR is expressed in established and primary human OS cells. It is also detected in human OS tissues, but not in the surrounding normal bone tissues. siRNA-induced knockdown or CRSIPR/Cas9-mediated knockout Lnc-THOR significantly inhibited human OS cell survival and proliferation...
April 4, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29543785/long-noncoding-rna-taurine-upregulated-gene1-tug1-promotes-tumor-growth-and-metastasis-through-tug1-mir-129-5p-astrocyte-elevated-gene-1-aeg-1-axis-in-malignant-melanoma
#3
Jianwen Long, Qiqige Menggen, Qimige Wuren, Quan Shi, Xianming Pi
BACKGROUND Malignant melanoma is a class of malignant tumors derived from melanocytes. lncRNAs have been considered as pro-/anti-tumor factors in progression of cancers. The function of lncRNA TUG1 on growth of melanoma was investigated in this study. MATERIAL AND METHODS The TUG1 and miR-129-5p expression were examined via qRT-PCR. The protein expression was investigated by Western blotting assay. Luciferase reporter assay was used to assess if lncRNA TUG1 can bind to miR-129-5p and if miR-129-5p can target AEG1 mRNA...
March 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29512756/expression-profiles-of-long-noncoding-rnas-and-mrnas-in-post-cardiac-arrest-rat-brains
#4
Rong Liu, Xiaoxing Liao, Xin Li, Hongyan Wei, Qing Liang, Zuopeng Zhang, Meixian Yin, Xiaoyun Zeng, Zijing Liang, Chunlin Hu
To investigate long noncoding (lnc)-RNA and mRNA expression profiles in post‑cardiac arrest (CA) brains, an external transthoracic electrical current was applied for 8 min to induce CA (the CA group). A total of 4 rats received sham-operations and served as the blank control (BC) group. Upon return of spontaneous circulation (ROSC), lncRNA and mRNA expression in the rat cerebral cortex was assayed with high‑throughput Agilent lncRNA and mRNA microarrays. In total, 37 lncRNAs were upregulated and 21 lncRNAs were downregulated in the CA group, and 258 mRNA transcripts were differentially expressed with 177 mRNAs upregulated and 81 mRNAs downregulated in the CA group...
March 7, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29509239/prognostic-value-of-long-non-coding-rna-host2-expression-and-its-tumor-promotive-function-in-human-osteosarcoma
#5
X-D Qi, S-Y Xu, Y Song
OBJECTIVE: Aberrant expression of long noncoding RNA (lncRNA) is associated with carcinogenesis of various tumors. The aim of current study was to explore the clinical significance and biological function of long non-coding RNA HOST2 (lnc-HOST2) in patients with osteosarcoma. PATIENTS AND METHODS: The expression of lnc-HOST2 was detected by quantitative Real-time PCR (qRT-PCR) in 163 osteosarcoma specimens and matched the normal tissues. The significance of lnc-HOST2 as a prognostic factor as well as its relationship with survival was determined...
February 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29387902/lnc-ing-non-coding-rnas-with-metabolism-and-diabetes-roles-of-lncrnas
#6
REVIEW
Neha Goyal, Devesh Kesharwani, Malabika Datta
Type 2 diabetes is a complex metabolic disorder characterized by insulin resistance and pancreatic β-cell dysfunction. Deregulated glucose and lipid metabolism are the primary underlying manifestations associated with this disease and its complications. Long non-coding RNAs (lncRNAs) are a novel class of functional RNAs that regulate a variety of biological processes by a diverse interplay of mechanisms including recruitment of epigenetic modifiers, transcriptional and post-transcriptional regulation, control of mRNA decay, and sequestration of transcription factors...
January 31, 2018: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/29383128/genome-wide-identification-of-long-non-coding-rna-and-mrna-profiling-using-rna-sequencing-in-subjects-with-sensitive-skin
#7
Li Yang, Lechun Lyu, Wenjuan Wu, Dongyun Lei, Ying Tu, Dan Xu, Jiaqi Feng, Li He
Sensitive skin (SS) is a condition of subjective cutaneous hyper-reactivity. The role of long non-coding RNAs (lncRNAs) in subjects with SS is unclear. Therefore, the aim of the present study was to provide a comprehensive profile of the mRNAs and lncRNAs in subjects with SS. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis presented the characteristics of associated protein-coding genes. In addition, a co-expression network of lncRNA and mRNA was constructed to identify potential underlying regulation targets; the results were verified by quantitative real-time PCR (qRT-PCR) and RNA-seq analyses in patients with SS and normal samples...
December 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/29370759/identification-of-gossypium-hirsutum-long-non-coding-rnas-lncrnas-under-salt-stress
#8
Fenni Deng, Xiaopei Zhang, Wei Wang, Rui Yuan, Fafu Shen
BACKGROUND: Long non-coding RNAs (lncRNAs) represent a class of riboregulators that either directly act in long form or are processed into shorter microRNAs (miRNAs) and small interfering RNAs. Long noncoding RNAs (lncRNAs) are arbitrarily defined as RNA genes larger than 200 nt in length that have no apparent coding potential. lncRNAs have emerged as playing important roles in various biological regulatory processes and are expressed in a more tissue-specific manner than mRNA. Emerging evidence shows that lncRNAs participate in stress-responsive regulation...
January 25, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29319165/long-noncoding-rna-neat1-regulate-papillary-thyroid-cancer-progression-by-modulating-mir-129-5p-klk7-expression
#9
Hong Zhang, Yuechang Cai, Li Zheng, Zhanlei Zhang, Xiaofeng Lin, Ningyi Jiang
PURPOSE: Considering the dilemma in papillary thyroid cancer treatment, this study intended to find solution in molecular respect. By probing into lncRNA-NEAT1/miR-129-5p/ KLK7 interaction, this study would provide new targets for future treatment. METHODS: Microarray analysis and R language package were applied to select possible lncRNA and miRNA. Luciferase reporter assay and RNA pull-down test were employed in the detection of target relationship between lncRNA and miRNA...
January 10, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29236315/lnc-rna-snhg20-participated-in-proliferation-invasion-and-migration-of-breast-cancer-cells-via-mir-495
#10
Yan-Xing Guan, Zhan-Min Zhang, Xue-Zhong Chen, Qing Zhang, Shao-Zheng Liu, Yong-Lu Zhang
OBJECTIVE: To explore the mechanism of lnc SNHG20 in the regulation of proliferation, invasion and migration of breast cancer cells. MATERIALS AND METHODS: mRNA levels of SNHG20, miR-495 and HER2 were detected by qRT-PCR. Protein level of HER2 was measured by Western blot. Cell proliferation, invasion and migration were detected by CCK-8 assay, Boyden chamber assay and Transwell assay. The combination between SNHG20 and miR-495 was confirmed by RNA pull down assay...
December 13, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29228702/lncrna-and-mrna-profiling-during-activation-of-tilapia-macrophages-by-hsp70-and-streptococcus-agalactiae-antigen
#11
Honglin Luo, Huizan Yang, Yong Lin, Yongde Zhang, Chuanyan Pan, Pengfei Feng, Yanling Yu, Xiaohan Chen
Objectives: To investigate the lncRNA profiling during tilapia peritoneal macrophages (TPMs) activation and discuss the relationship between lncRNA and mRNA. Materials and Methods: RNA sequencing was used to investigate the lncRNA and mRNA profiles of TPMs activation following stimulation with Streptococcus agalactiae (Sa) antigen, heat shock protein 70 (HSP70) and HSP70+Sa. The expressions of lncRNA and mRNA were confirmed by qPCR. 356 lncRNA, 10173 mRNA and 1782 transcripts of uncertain coding potential (TUCP) were differentially expressed by pairwise comparison...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29226685/size-effect-on-lipid-nanocapsule-mediated-glp-1-secretion-from-enteroendocrine-l-cells
#12
Yining Xu, Dario Carradori, Mireille Alhouayek, Giulio G Muccioli, Patrice D Cani, Véronique Préat, Ana Beloqui
L cells are enteroendocrine cells located throughout the gastrointestinal tract that secrete physiologically important peptides. The most characterized peptides secreted by L cells are the peptide YY (PYY) and the glucagon-like peptides 1 (GLP-1) and 2 (GLP-2). These peptides are released rapidly into the circulation after oral nutrient ingestion. Recently, lipid-based nanoparticles (NP) have been described as triggers for GLP-1 secretion by L cells. NP physicochemical properties play a key role in the NP-cell interaction, and drive NP cell internalization...
January 2, 2018: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29216366/lncrna-lnc-ri-regulates-homologous-recombination-repair-of-dna-double-strand-breaks-by-stabilizing-rad51-mrna-as-a-competitive-endogenous-rna
#13
Liping Shen, Qi Wang, Ruixue Liu, Zhongmin Chen, Xueqing Zhang, Pingkun Zhou, Zhidong Wang
DNA double-strand break (DSB) repair is critical for the maintenance of genome stability. The current models of the mechanism of DSB repair are based on studies of DNA repair proteins. Long non-coding RNAs (lncRNAs) have recently emerged as new regulatory molecules, with diverse functions in biological processes. In the present study, we found that expression of the ionizing radiation-inducible lncRNA, lnc-RI, was correlate negatively with micronucleus frequencies in human peripheral blood lymphocytes. Knockdown of lnc-RI significantly increased spontaneous DSBs levels, which was confirmed to be associated with the decreased efficiency of homologous recombination (HR) repair of DSBs...
January 25, 2018: Nucleic Acids Research
https://www.readbyqxmd.com/read/29207090/long-intergenic-non%C3%A2-coding-rna%C3%A2-p21-mediates-cardiac-senescence-via-the-wnt-%C3%AE-%C3%A2-catenin-signaling-pathway-in-doxorubicin-induced-cardiotoxicity
#14
Zhongdong Xie, Wenzheng Xia, Meng Hou
Doxorubicin (Dox)-induced cardiotoxicity has been a well‑known phenomenon to clinicians and scientists for decades. It has been confirmed that Dox‑dependent cardiotoxicity is accompanied by cardiac cellular senescence. However, the molecular mechanisms underlying Dox cardiotoxicity remains to be fully elucidated. Long non‑coding (lnc) RNAs regulate gene transcription and the fate of post‑transcriptional mRNA, which affects a broad range of age‑associated physiological and pathological conditions, including cardiovascular disease and cellular senescence...
February 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29190961/long-noncoding-rna-ccat1-functions-as-a-cerna-to-antagonize-the-effect-of-mir-410-on-the-down-regulation-of-itpkb-in-human-hct-116-and-hct-8-cells
#15
Bo Li, Chong Shi, Jingming Zhao, Bai Li
Colorectal cancer is one of the most common malignancies, which has seriously affected people's health. Abnormal expression of long non-coding RNAs and microRNAs are closely related to the process of occurrence, development, invasion and metastasis of colorectal cancer. However, the effect of lnc CCAT1 on human HCT-116/HCT-8 cells and its potential mechanism were investigated. In present study, differential expression of CCAT1 , miR-410 and ITPKB were detected in colon cancer tissues and adjacent parts. Then the prediction programs were applied to predict the target genes of miR-410...
November 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/29106055/lnc-ntf3-5-promotes-osteogenic-differentiation-of-maxillary-sinus-membrane-stem-cells-via-sponging-mir-93-3p
#16
Wei Peng, Shuang-Xi Zhu, Jin Wang, Li-Li Chen, Jun-Quan Weng, Song-Ling Chen
BACKGROUND: The function and the mechanism of long non-coding RNAs (lncRNAs) on the osteogenic differentiation of maxillary sinus membrane stem cells (MSMSCs) remain largely unknown. MATERIALS AND METHODS: The expression of lnc-NTF3-5 and Runt-related transcription factor 2 (RUNX2), Osterix (OSX), and Alkaline Phosphatase (ALP) was examined by quantitative real-time PCR (qRT-PCR) in MSMSCs during the process osteogenic differentiation. Then the function of lnc-NTF3-5 was evaluated by loss- and gain-of-function techniques, as well as qRT-PCR, western blot, and Alizarin Red staining...
November 6, 2017: Clinical Implant Dentistry and related Research
https://www.readbyqxmd.com/read/29072702/a-novel-lnc-pcf-promotes-the-proliferation-of-tgf-%C3%AE-1-activated-epithelial-cells-by-targeting-mir-344a-5p-to-regulate-map3k11-in-pulmonary-fibrosis
#17
Huizhu Liu, Bingsi Wang, Jinjin Zhang, Songzi Zhang, Youlei Wang, Jie Zhang, Changjun Lv, Xiaodong Song
Emerging evidence suggests that microRNA (miRNA) and long noncoding RNA (lncRNA) play important roles in disease development. However, the mechanism underlying mRNA interaction with miRNA and lncRNA in idiopathic pulmonary fibrosis (IPF) remains unknown. This study presents a novel lnc-PCF that promotes the proliferation of TGF-β1-activated epithelial cells through the regulation of map3k11 by directly targeting miR-344a-5p during pulmonary fibrogenesis. Bioinformatics and in vitro translation assay were performed to confirm whether or not lnc-PCF is an actual lncRNA...
October 26, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29020916/integrated-analysis-of-coding-genes-and-non-coding-rnas-during-hair-follicle-cycle-of-cashmere-goat-capra-hircus
#18
Shanhe Wang, Wei Ge, Zhixin Luo, Yang Guo, Beilei Jiao, Lei Qu, Zhiying Zhang, Xin Wang
BACKGROUND: Cashmere growth is a seasonal and cyclic phenomenon under the control of photoperiod and multiple stimulatory and inhibitory signals. Beyond relevant coding genes, microRNA (miRNA) and long non coding RNA (lncRNA) play an indispensable role in hair follicle (HF) development and skin homeostasis. Furthermore, the influence of lncRNA upon miRNA function is also rapidly emerging. However, little is known about miRNAs, lncRNAs and their functions as well as their interactions on cashmere development and cycling...
October 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28946875/overexpression-of-lncrna-igfbp4-1-reprograms-energy-metabolism-to-promote-lung-cancer-progression
#19
Binyao Yang, Lisha Zhang, Yi Cao, Shuai Chen, Jun Cao, Di Wu, Jiansong Chen, Huali Xiong, Zihua Pan, Fuman Qiu, Jinbin Chen, Xiaoxuan Ling, Maosheng Yan, Suli Huang, Shiyu Zhou, Tiegang Li, Lei Yang, Yunchao Huang, Jiachun Lu
BACKGROUND: Reprogrammed energy metabolism as an emerging hallmark of cancer has recently drawn special attention since it facilitate cell growth and proliferation. Recently, long noncoding RNAs (lncRNAs) have been served as key regulators implicated in tumor development and progression by promoting proliferation, invasion and metastasis. However, the associations of lncRNAs with cellular energy metabolism in lung cancer (LC) need to be clarified. METHODS: Here, we conducted bioinformatics analysis and found insulin-like growth factor binding protein 4-1 (IGFBP4-1) as a new candidate lncRNA located in the upstream region of IGFBP4 gene...
September 25, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28901439/long-noncoding-rna%C3%A2-p21-modulates-cellular-senescence-via-the-wnt-%C3%AE-%C3%A2-catenin-signaling-pathway-in-mesenchymal-stem-cells
#20
Wenzheng Xia, Lei Zhuang, Xia Deng, Meng Hou
Mesenchymal stem cell (MSC)‑based therapies have demonstrated efficacy in animal models of cardiovascular diseases. However, MSCs decrease in quantity and quality with age, which reduces their capacity for damage repair. Long noncoding (lnc) RNAs regulate gene transcription and the fate of post‑transcriptional mRNA, affecting a broad range of age‑associated physiological and pathological conditions, including cardiovascular disease and cancer cell senescence. However, the functional role of lncRNAs in stem cell senescence remains largely unknown...
November 2017: Molecular Medicine Reports
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