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Lncrna fibrosis

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https://www.readbyqxmd.com/read/29249416/lncrna-gas5-as1-inhibits-myofibroblasts-activities-in-oral-submucous-fibrosis
#1
Che-Yi Lin, Yi-Wen Liao, Pei-Ling Hsieh, Ming-Yi Lu, Chih-Yu Peng, Pei-Ming Chu, Hui-Wen Yang, Yu-Feng Huang, Cheng-Chia Yu, Chuan-Hang Yu
BACKGROUND/PURPOSE: Emerging research findings suggest that long non-coding RNAs (lncRNAs) are key regulators to fibrosis formation. Nevertheless, the role of lncRNA GAS5-AS1 in the progression of precancerous oral submucous fibrosis (OSF) remains to be elucidated. METHODS: Quantitative real-time PCR were used to examine the expression of GAS5-AS1 in OSF tissues. The activities of myofibroblasts, including collagen contractility and cell migration, as well as the marker α-smooth muscle actin (SMA) were assessed following overexpression of GAS5-AS1...
December 14, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/29222368/novel-lncrna-erbb4-ir-promotes-diabetic-kidney-injury-in-db-db-mice-by-targeting-mir-29b
#2
Si F Sun, Patrick Mk Tang, Min Feng, Xiao Jun, Xiao R Huang, Ping Li, Ronal Cw Ma, Hui Y Lan
TGF-β/Smad signaling plays an important role in diabetic nephropathy. The present study identified a novel Smad3-dependent long non-coding RNA (lncRNA) Erbb4-IR in the development of type-2 diabetic nephropathy (T2DN) in db/db mice. We found that Erbb4-IR was highly expressed in T2DN of db/db mice and was specifically induced by AGE via a Smad3-dependent mechanism. The functional role of Erbb4-IR in T2DN was revealed by kidney-specific silencing of Erbb4-IR to protect against the development of T2DN such as elevated microalbuminuria, serum creatinine and progressive renal fibrosis in db/db mice, and to block AGE-induced collagen I and IV expression in mouse mesangial cells (mMCs) and mouse tubular epithelial cells (mTECs)...
December 8, 2017: Diabetes
https://www.readbyqxmd.com/read/29160413/long-non-coding-rna-chchd4p4-promotes-epithelial-mesenchymal-transition-and-inhibits-cell-proliferation-in-calcium-oxalate-induced-kidney-damage
#3
C Zhang, J Yuan, H Hu, W Chen, M Liu, J Zhang, S Sun, Z Guo
Kidney stone disease is a major cause of chronic renal insufficiency. The role of long non-coding RNAs (lncRNAs) in calcium oxalate-induced kidney damage is unclear. Therefore, we aimed to explore the roles of lncRNAs in glyoxylate-exposed and healthy mouse kidneys using microarray technology and bioinformatics analyses. A total 376 mouse lncRNAs were differentially expressed between the two groups. Using BLAST, 15 lncRNA homologs, including AU015836 and CHCHD4P4, were identified in mice and humans. The AU015836 expression in mice exposed to glyoxylate and the CHCHD4P4 expression in human proximal tubular epithelial (HK-2) cells exposed to calcium oxalate monohydrate were analyzed, and both lncRNAs were found to be upregulated in response to calcium oxalate...
November 13, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/29113749/long-non-coding-rna-atb-promotes-emt-during-silica-induced-pulmonary-fibrosis-by-competitively-binding-mir-200c
#4
Yi Liu, Yan Li, Qi Xu, Wenxi Yao, Qiuyun Wu, Jiali Yuan, Weiwen Yan, Tiantian Xu, Xiaoming Ji, Chunhui Ni
Long non-coding RNAs (lncRNAs) are important signal transduction regulators that act by various patterns. However, little is known about the molecular mechanisms of lncRNA related pathways in occupational lung fibrosis. Our previous study found that epithelial-mesenchymal transition (EMT) was one of the key events in silica-induced pulmonary fibrosis. This study showed that the lncRNA-ATB promoted EMT by acting as a miR-200c sponge. miR-200c was identified by miRNA array as a potential target of lncRNA-ATB and verified by dual luciferase reporter gene together with RNA pull-down assays...
November 4, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29102563/tgf-%C3%AE-mediates-renal-fibrosis-via-the-smad3-erbb4-ir-long-noncoding-rna-axis
#5
Min Feng, Patrick Ming-Kuen Tang, Xiao-Ru Huang, Si-Fan Sun, Yong-Ke You, Jun Xiao, Lin-Li Lv, An-Ping Xu, Hui-Yao Lan
Transforming growth factor β (TGF-β)/Smad3 signaling plays a role in tissue fibrosis. We report here that Erbb4-IR is a novel long non-coding RNA (lncRNA) responsible for TGF-β/Smad3-mediated renal fibrosis and is a specific therapeutic target for chronic kidney disease. Erbb4-IR was induced by TGF-β1 via a Smad3-dependent mechanism and was highly upregulated in the fibrotic kidney of mouse unilateral ureteral obstructive nephropathy (UUO). Silencing Erbb4-IR blocked TGF-β1-induced collagen I and alpha-smooth muscle actin (α-SMA) expressions in vitro and effectively attenuated renal fibrosis in the UUO kidney by blocking TGF-β/Smad3 signaling...
October 5, 2017: Molecular Therapy: the Journal of the American Society of Gene Therapy
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
#6
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/29062612/lncrna-h19-is-involved-in-tgf-%C3%AE-1-induced-epithelial-to-mesenchymal-transition-in-bovine-epithelial-cells-through-pi3k-akt-signaling-pathway
#7
Wei Yang, Xuezhong Li, Shaopei Qi, Xueru Li, Kun Zhou, Suzhu Qing, Yong Zhang, Ming-Qing Gao
Increased levels of long noncoding RNA H19 (H19) have been observed in many inflammatory and organ fibrosis diseases including ulcerative colitis, osteoarthritis, liver fibrosis, renal fibrosis and pulmonary fibrosis. However, the role of H19 in bovine mastitis and mastitis-caused fibrosis is still unclear. In our study, H19 was characterized as a novel regulator of EMT induced by transforming growth factor-β1 (TGF-β1) in bovine mammary alveolar cell-T (MAC-T) cell line. We found that H19 was highly expressed in bovine mastitis tissues and inflammatory MAC-T cells induced by virulence factors of pathogens...
2017: PeerJ
https://www.readbyqxmd.com/read/28993096/altered-expression-of-malat1-lncrna-in-nonalcoholic-steatohepatitis-fibrosis-regulates-cxcl5-in-hepatic-stellate-cells
#8
Fatjon Leti, Christophe Legendre, Christopher D Still, Xin Chu, Anthony Petrick, Glenn S Gerhard, Johanna K DiStefano
In the present study, we sought to identify long noncoding RNA (lncRNA) expression profiles in nonalcoholic steatohepatitis (NASH) patients with histologic evidence of lobular inflammation and advanced fibrosis. We profiled lncRNA expression using RNA-sequencing of wedge liver biopsies from 24 nonalcoholic fatty liver disease (NAFLD) patients with normal liver histology, 53 NAFLD patients with lobular inflammation, and 65 NAFLD patients with advanced fibrosis. Transcript profiling identified 4432 and 4057 differentially expressed lncRNAs in comparisons of normal tissue with lobular inflammation and fibrosis samples, respectively...
September 19, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28983614/interaction-network-of-coexpressed-mrna-mirna-and-lncrna-activated-by-tgf%C3%A2-%C3%AE-1-regulates-emt-in-human-pulmonary-epithelial-cell
#9
Huizhu Liu, Xueying Zhao, Jing Xiang, Jie Zhang, Chao Meng, Jinjin Zhang, Minge Li, Xiaodong Song, Changjun Lv
Noncoding RNAs (ncRNAs), such as microRNAs (miRNAs) and long noncoding RNAs (lncRNAs), play increasingly important roles in pathological processes involved in disease development. However, whether mRNAs interact with miRNAs and lncRNAs to form an interacting regulatory network in diseases remains unknown. In this study, the interaction of coexpressed mRNAs, miRNAs and lncRNAs during tumor growth factor‑β1‑activated (TGF‑β1) epithelial‑mesenchymal transition (EMT) was systematically analyzed in human alveolar epithelial cells...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944926/upregulation-of-long-noncoding-rna-ap003419-16-predicts-high-risk-of-aging%C3%A2-associated-idiopathic-pulmonary-fibrosis
#10
Xiaoyan Hao, Yufeng Du, Li Qian, Dan Li, Xuejun Liu
Long noncoding RNAs (lncRNAs) are able to regulate adjacent genes and thus participate in the incidence in the present study has identified lncRNA AP003419.16, adjacent to the protein‑coding gene ribosomal protein S6 kinase B‑2 (RPS6KB2). RPS6KB2 is believed to be involved in the process of aging and idiopathic pulmonary fibrosis (IPF), due to its activation by growth factors and regulation by the protein kinase mTOR signaling pathway. The results of the present study indicated that the expression of AP003419...
December 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28912732/transcriptome-identified-lncrnas-associated-with-renal-fibrosis-in-uuo-rat-model
#11
Jiazeng Sun, Shang Zhang, Bianhua Shi, Dexian Zheng, Juan Shi
Renal fibrosis represents a final common outcome of many renal diseases and has attracted a great deal of attention. To better understand whether lncRNAs could be a player in this process or be a biomarker for renal fibrosis diagnosis, we compared transcriptome sequencing data on renal tissues and urine respectively between UUO (unilateral ureteral obstruction) and shamed (Sham) rat model. Numerous genes including lncRNAs with significant changes in their expression were identified. 24 lncRNAs were up-regulated and 79 lncRNAs were down-regulated in the renal tissues of the UUO rats...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28900284/mir-503-modulates-epithelial-mesenchymal-transition-in-silica-induced-pulmonary-fibrosis-by-targeting-pi3k-p85-and-is-sponged-by-lncrna-malat1
#12
Weiwen Yan, Qiuyun Wu, Wenxi Yao, Yan Li, Yi Liu, Jiali Yuan, Ruhui Han, Jingjin Yang, Xiaoming Ji, Chunhui Ni
Silicosis is a kind of chronic, progressive and incurable lung fibrotic diseases with largely unknown and complex pathogenesis and molecular mechanisms. Mounting evidence suggests that microRNAs (miRNAs, miRs) are involved in the pathogenesis of silicosis. Our previous study based on miRNA microarray had shown that the expression levels of miR-503 were down-regulated in mouse lung tissues of silica-induced pulmonary fibrosis. Here, we validated the decreased expression of miR-503 in the fibrotic mouse lung tissues, human bronchial epithelial cells (HBE) and human lung adenocarcinoma A549 cells which were exposed to silica...
September 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28864835/neat1-accelerates-the-progression-of-liver-fibrosis-via-regulation-of-microrna-122-and-kruppel-like-factor-6
#13
Fujun Yu, Zhe Jiang, Bicheng Chen, Peihong Dong, Jianjian Zheng
Long non-coding RNAs (lncRNAs) have been reported to be involved in many important biological processes including proliferation, apoptosis, differentiation, and survival. Recently, nuclear paraspeckle assembly transcript 1 (NEAT1), a novel lncRNA, serves as a crucial regulator in tumors. However, the biological role of NEAT1 in liver fibrosis is largely unknown. In this study, the role of NEAT1 was explored in primary mouse hepatic stellate cells (HSCs) and carbon tetrachloride (CCl4)-induced mouse liver fibrosis models...
November 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28837672/cardiac-transcriptome-profiling-of-diabetic-akita-mice-using-microarray-and-next-generation-sequencing
#14
Varun Kesherwani, Hamid R Shahshahan, Paras K Mishra
Although diabetes mellitus (DM) causes cardiomyopathy and exacerbates heart failure, the underlying molecular mechanisms for diabetic cardiomyopathy/heart failure are poorly understood. Insulin2 mutant (Ins2+/-) Akita is a mouse model of T1DM, which manifests cardiac dysfunction. However, molecular changes at cardiac transcriptome level that lead to cardiomyopathy remain unclear. To understand the molecular changes in the heart of diabetic Akita mice, we profiled cardiac transcriptome of Ins2+/- Akita and Ins2+/+ control mice using next generation sequencing (NGS) and microarray, and determined the implications of differentially expressed genes on various heart failure signaling pathways using Ingenuity pathway (IPA) analysis...
2017: PloS One
https://www.readbyqxmd.com/read/28803234/rna-sequencing-and-bioinformatics-analysis-implicate-the-regulatory-role-of-a-long-noncoding-rna-mrna-network-in-hepatic-stellate-cell-activation
#15
Can-Jie Guo, Xiao Xiao, Li Sheng, Lili Chen, Wei Zhong, Hai Li, Jing Hua, Xiong Ma
BACKGROUND/AIMS: To analyze the long noncoding (lncRNA)-mRNA expression network and potential roles in rat hepatic stellate cells (HSCs) during activation. METHODS: LncRNA expression was analyzed in quiescent and culture-activated HSCs by RNA sequencing, and differentially expressed lncRNAs verified by quantitative reverse transcription polymerase chain reaction (qRT-PCR) were subjected to bioinformatics analysis. In vivo analyses of differential lncRNA-mRNA expression were performed on a rat model of liver fibrosis...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28753062/long-noncoding-rna-h19-acts-as-a-competing-endogenous-rna-to-mediate-ctgf-expression-by-sponging-mir-455-in-cardiac-fibrosis
#16
Zhi-Wen Huang, Li-Hong Tian, Bin Yang, Run-Min Guo
Cardiac fibrosis is closely related to multiple cardiovascular system diseases, and noncoding RNAs (ncRNAs), including long noncoding RNA (lncRNA) and microRNA (miRNA), have been reported to play a vital role in fibrogenesis. The present study aims to investigate the potential regulatory mechanism of lncRNA H19 and miR-455 on fibrosis-associated protein synthesis in cardiac fibroblasts (CFs). miRNA microarray assay revealed 34 significantly dysregulated miRNAs, including 13 upregulated miRNAs and 21 downregulated miRNAs...
September 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28747678/the-liver-enriched-lnc-lfar1-promotes-liver-fibrosis-by-activating-tgf%C3%AE-and-notch-pathways
#17
Kun Zhang, Xiaohui Han, Zhen Zhang, Lina Zheng, Zhimei Hu, Qingbin Yao, Hongmei Cui, Guiming Shu, Maojie Si, Chan Li, Zhemin Shi, Ting Chen, Yawei Han, Yanan Chang, Zhi Yao, Tao Han, Wei Hong
Long noncoding RNAs (lncRNAs) play important roles in various biological processes such as proliferation, cell death and differentiation. Here, we show that a liver-enriched lncRNA, named liver fibrosis-associated lncRNA1 (lnc-LFAR1), promotes liver fibrosis. We demonstrate that lnc-LFAR1 silencing impairs hepatic stellate cells (HSCs) activation, reduces TGFβ-induced hepatocytes apoptosis in vitro and attenuates both CCl4- and bile duct ligation-induced liver fibrosis in mice. Lnc-LFAR1 promotes the binding of Smad2/3 to TGFβR1 and its phosphorylation in the cytoplasm...
July 26, 2017: Nature Communications
https://www.readbyqxmd.com/read/28637928/the-long-noncoding-rna-wisper-controls-cardiac-fibrosis-and-remodeling
#18
Rudi Micheletti, Isabelle Plaisance, Brian J Abraham, Alexandre Sarre, Ching-Chia Ting, Michael Alexanian, Daniel Maric, Damien Maison, Mohamed Nemir, Richard A Young, Blanche Schroen, Arantxa González, Samir Ounzain, Thierry Pedrazzini
Long noncoding RNAs (lncRNAs) are emerging as powerful regulators of cardiac development and disease. However, our understanding of the importance of these molecules in cardiac fibrosis is limited. Using an integrated genomic screen, we identified Wisper (Wisp2 super-enhancer-associated RNA) as a cardiac fibroblast-enriched lncRNA that regulates cardiac fibrosis after injury. Wisper expression was correlated with cardiac fibrosis both in a murine model of myocardial infarction (MI) and in heart tissue from human patients suffering from aortic stenosis...
June 21, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28630135/inhibition-of-the-cardiac-fibroblast-enriched-lncrna-meg3-prevents-cardiac-fibrosis-and-diastolic-dysfunction
#19
Maria-Teresa Piccoli, Shashi Kumar Gupta, Janika Viereck, Ariana Foinquinos, Sabine Samolovac, Freya Luise Kramer, Ankita Garg, Janet Remke, Karina Zimmer, Sandor Batkai, Thomas Thum
RATIONALE: Cardiac fibroblasts (CFs) drive extracellular matrix remodeling after pressure overload, leading to fibrosis and diastolic dysfunction. Recent studies described the role of long noncoding RNAs (lncRNAs) in cardiac pathologies. Nevertheless, detailed reports on lncRNAs regulating CF biology and describing their implication in cardiac remodeling are still missing. OBJECTIVE: Here, we aimed at characterizing lncRNA expression in murine CFs after chronic pressure overload to identify CF-enriched lncRNAs and investigate their function and contribution to cardiac fibrosis and diastolic dysfunction...
August 18, 2017: Circulation Research
https://www.readbyqxmd.com/read/28611953/bronchial-epithelial-cells-from-cystic-fibrosis-patients-express-a-specific-long-non-coding-rna-signature-upon-pseudomonas-aeruginosa-infection
#20
Viviane Balloy, Remya Koshy, Lea Perra, Harriet Corvol, Michel Chignard, Loïc Guillot, Vinod Scaria
Pseudomonas aeruginosa (Pa) is the leading cause of chronic lung infection in Cystic Fibrosis (CF) patients. It is well recognized that CF epithelial cells fail to develop an appropriate response to infection, allowing bacterial colonization and a chronic inflammatory response. Since long non-coding RNAs (lncRNAs), are known to play a key role in regulating mammalian innate immune response, we hypothesized that CF cells exposed to Pa could express a specific lncRNA signature responsible of the maladaptative CF response...
2017: Frontiers in Cellular and Infection Microbiology
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