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miR-29b

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https://www.readbyqxmd.com/read/30097674/oxidative-stress-induced-mirnas-modulate-akt-signaling-and-promote-cellular-senescence-in-uterine-leiomyoma
#1
Xiuhua Xu, J Julie Kim, Yinuo Li, Jia Xie, Changshun Shao, Jian-Jun Wei
Uterine leiomyomas (ULM) grow under high oxidative stress due to a hypoxic microenvironment and defects in redox metabolism. AKT is one major pathway activated by reactive oxygen species (ROS) that maintains ULM growth and survival. We previously reported that AKT inactivated by AKT inhibitors can significantly induce cellular senescence in ULM cells. Since some miRNAs are induced by AKT inhibitors in an ROS-dependent manner, we proposed that these miRNAs may modulate AKT function and cellular senescence in ULM...
August 10, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/30092402/the-supercarbonate-apatite-microrna-complex-inhibits-dextran-sodium-sulfate-induced-colitis
#2
Tadafumi Fukata, Tsunekazu Mizushima, Junichi Nishimura, Daisuke Okuzaki, Xin Wu, Haruka Hirose, Yuhki Yokoyama, Yui Kubota, Kazuya Nagata, Naoto Tsujimura, Akira Inoue, Norikatsu Miyoshi, Naotsugu Haraguchi, Hidekazu Takahashi, Taishi Hata, Chu Matsuda, Hisako Kayama, Kiyoshi Takeda, Yuichiro Doki, Masaki Mori, Hirofumi Yamamoto
The incidence of inflammatory bowel disease (IBD) is increasing. Nucleic acid-based medicine has potential as a next-generation treatment, but it is rarely successful with IBD. The aim of this study was to establish a microRNA-based therapy in an IBD model. For this purpose, we used microRNA-29 (miR-29) and a supercarbonate apatite (sCA) nanoparticle as a drug delivery system. Injection of sCA-miR-29a-3p or sCA-miR-29b-3p into mouse tail veins markedly prevented and restored inflammation because of dextran sulfate sodium (DSS)-induced colitis...
August 6, 2018: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/30090550/microrna-29b-inhibits-supernatants-from-silica-treated-macrophages-from-inducing-extracellular-matrix-synthesis-in-lung-fibroblasts
#3
Ximeng Lian, Xiaowei Chen, Jingping Sun, Guoliang An, Xiaoli Li, Yan Wang, Piye Niu, Zhonghui Zhu, Lin Tian
Silicosis is pathologically characterized by diffused pulmonary fibrosis and abundant deposition of extracellular matrix (ECM) components. The ECM is mainly secreted by myofibroblasts which are the activated state of fibroblasts. MicroRNA-29b (miR-29b) is one of the well-known microRNAs involved in fibrosis, but its roles in silicosis have not been specified. In this study, we hypothesized that miR-29b might play a protective role in the progression of silicosis. MTT assay, qRT-PCR, immunofluorescence and western blotting were applied...
November 1, 2017: Toxicology Research
https://www.readbyqxmd.com/read/30081328/mir-29b-directly-targets-activation-induced-cytidine-deaminase-in-human-b-cells-and-can-limit-its-inappropriate-expression-in-na%C3%A3-ve-b-cells
#4
Timothy Recaldin, Philip S Hobson, Elizabeth H Mann, Faruk Ramadani, David J Cousins, Paul Lavender, David J Fear
Class-switch recombination (CSR) is an essential B cell process that alters the isotype of antibody produced by the B cell, tailoring the immune response to the nature of the invading pathogen. CSR requires the activity of the mutagenic enzyme AID (encoded by AICDA) to generate chromosomal lesions within the immunoglobulin genes that initiate the class switching recombination event. These AID-mediated mutations also participate in somatic-hypermutation of the immunoglobulin variable region, driving affinity maturation...
August 3, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/30078842/micrornas-and-immunity-in-periodontal-health-and-disease
#5
Xianghong Luan, Xiaofeng Zhou, Afsar Naqvi, Marybeth Francis, Deborah Foyle, Salvador Nares, Thomas G H Diekwisch
MicroRNAs (miRNAs) are critical regulators of the host immune and inflammatory response against bacterial pathogens. In the present review, we discuss target genes, target gene functions, the potential regulatory role of miRNAs in periodontal tissues, and the potential role of miRNAs as biomarkers and therapeutics. In periodontal disease, miRNAs exert control over all aspects of innate and adaptive immunity, including the functions of neutrophils, macrophages, dendritic cells and T and B cells. Previous human studies have highlighted some key miRNAs that are dysregulated in periodontitis patients...
August 6, 2018: International Journal of Oral Science
https://www.readbyqxmd.com/read/30056425/circulating-mir-127-3p-as-a-potential-biomarker-for-differential-diagnosis-in-frontotemporal-dementia
#6
Paola Piscopo, Margherita Grasso, Maria Puopolo, Emanuela D'Acunto, Giuseppina Talarico, Alessio Crestini, Marina Gasparini, Rosa Campopiano, Stefano Gambardella, Anna Elisa Castellano, Giuseppe Bruno, Michela A Denti, Annamaria Confaloni
Given the heterogeneous nature of frontotemporal dementia (FTD), sensitive biomarkers are greatly needed for the accurate diagnosis of this neurodegenerative disorder. Circulating miRNAs have been reported as promising biomarkers for neurodegenerative disorders and processes affecting the central nervous system, especially in aging. The objective of the study was to evaluate if some circulating miRNAs linked with apoptosis (miR-29b-3p, miR-34a-5p, miR-16-5p, miR-17-5p, miR-107, miR-19b-3p, let-7b-5p, miR-26b-5p, and 127-3p) were able to distinguish between FTD patients and healthy controls...
July 21, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/30025410/microrna-29b-regulates-the-mitochondria-dependent-apoptotic-pathway-by-targeting-bax-in-doxorubicin-cardiotoxicity
#7
Xibo Jing, Jingxiao Yang, Lu Jiang, Jianghong Chen, Haiyan Wang
BACKGROUND/AIMS: Myocardial apoptosis plays an important role in doxorubicin (Dox) cardiotoxicity. MicroRNA-29 (miR-29) is suggested to function as an anti-fibrotic factor with potential therapeutic effects on cardiac fibrosis. However, it has not been shown whether there is an association between miR-29b and myocardial apoptosis. METHODS: Male Wistar rats were transfected with miR-29b agomir by local delivery to the myocardium prior to Dox treatment. Rat cardiomyocytes were pretreated with miR-29b mimics or inhibitor followed by Dox incubation in vitro...
July 19, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/30017186/tug1-is-involved-in-liver-fibrosis-and-activation-of-hscs-by-regulating-mir-29b
#8
Xiaohui Han, Yuheng Hong, Kun Zhang
TUG1 has been shown to be involved in diverse human diseases by regulating gene expression at transcriptional and post-transcriptional levels via interaction with miRNA or proteins. However, the role of TUG1 in liver fibrosis remains unclear. Here, we found that Tug1 is dysregulated in liver fibrosis according to the microarray analysis. Moreover, we investigated the expression files of Tug1 by using CCl4 -and BDL-induced liver fibrosis model mice as well as in the primary cells isolated from the mice. We demonstrated that Tug1 is over-expressed in the fibrotic livers and activated HSCs, but not injured hepatocytes...
July 13, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/30015905/analysis-of-non%C3%A2-alcoholic-fatty-liver-disease-microrna-expression-spectra-in-rat-liver-tissues
#9
Jiao Nie, Chang-Ping Li, Jue-Hong Li, Xia Chen, Xiaoling Zhong
The prevalence of non-alcoholic fatty liver disease (NAFLD) has been increasing in recent years. Previous studies have suggested that micro (mi)RNAs may be involved in the pathogenesis of NAFLD. To investigate the role of miRNAs in rat NAFLD, a total of 16 male Sprague Dawley rats were randomly divided into a control group and a model group. Rats in the control group were fed a normal diet for 12 weeks, whereas the rats in the model group were fed a high‑fat and high‑sugar diet for 12 weeks. Following this, the animals were sacrificed and liver tissues were rapidly removed to investigate the severity of NAFLD...
September 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30006350/isomer-specific-effect-of-microrna-mir-29b-on-nuclear-morphology
#10
Alison J Kriegel, Scott S Terhune, Andrew S Greene, Kathleen R Noon, Michael S Pereckas, Mingyu Liang
Targeting mRNAs via seed region pairing is the canonical mechanism by which microRNAs (miRNAs) regulate cellular functions and disease processes.  Emerging evidence suggests miRNAs might also act through other mechanisms.  miRNA isomers that contain identical seed region sequences, such as miR-29a and miR-29b, provide naturally occurring, informative models for identifying those miRNA effects that are independent of seed region pairing.  miR-29a and miR-29b are both expressed in HeLa cells, and miR-29b has been reported to localize to the nucleus in early mitosis because of unique nucleotide sequences on its 3' end...
July 13, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29981742/association-of-elevated-urinary-mir-126-mir-155-and-mir-29b-with-diabetic-kidney-disease
#11
Cristina Beltrami, Kate Simpson, Mark Jesky, Alexa Wonnacott, Christopher Carrington, Peter Holmans, Lucy Newbury, Robert Jenkins, Thomas Ashdown, Colin Dayan, Simon Satchell, Peter Corish, Paul Cockwell, Donald Fraser, Timothy Bowen
Effective diabetic kidney disease (DKD) biomarkers remain elusive, and urinary miRNAs represent a potential source of novel noninvasive disease sentinels. We profiled 754 miRNAs in pooled urine samples from DKD patients (n = 20), detecting significantly increased miR-126, miR-155, and miR-29b compared with controls (n = 20). These results were confirmed in an independent cohort of 89 DKD patients, 62 diabetic patients without DKD, and 41 controls: miR-126 (2.8-fold increase; P < 0.0001), miR-155 (1.8-fold increase; P < 0...
July 6, 2018: American Journal of Pathology
https://www.readbyqxmd.com/read/29969314/formoterol-treatment-prevents-the-effects-of-endotoxin-on-muscle-tnf-nf-kb-akt-mtor-and-proteolytic-pathways-in-a-rat-model-role-of-igf-i-and-mirna-29b
#12
Ana Isabel Martin, Ana Belen Gómez-SanMiguel, Teresa Priego, Asuncion Lopez-Calderon
Inflammatory diseases are associated with muscle wasting as a result of an increase in proteolysis. The purpose of this study was to elucidate whether administration of a beta-2 adrenergic agonist, formoterol, was able to prevent the acute effects of sepsis-induced by liposaccharide (LPS) injection on rat gastrocnemius and to evaluate the possible role of corticosterone, IGF-I, miR-23a and miR-29b. For this purpose, male Wistar rats were injected with LPS and/or formoterol. Formoterol treatment decreased LPS-induced increase in serum corticosterone, TNFα upregulation as well as NF-κB(p65) and FoxO1 activation in the gastrocnemius...
July 3, 2018: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29962947/scutellarin-enhances-antitumor-effects-and-attenuates-the-toxicity-of-bleomycin-in-h22-ascites-tumor-bearing-mice
#13
Juan Nie, Hong-Mei Yang, Chao-Yue Sun, Yan-Lu Liu, Jian-Yi Zhuo, Zhen-Biao Zhang, Xiao-Ping Lai, Zi-Ren Su, Yu-Cui Li
Bleomycin (BLM) is a broad spectrum anti-tumor drug and inducing pulmonary fibrosis. As an anti-tumor drug without immunosuppression, it is urgent to find a drug that reduces the side effects of BLM. Scutellarin (SCU), a flavone extracted from Erigeron breviscapus (Vant.) Hand-Mazz, has anti-inflammatory activity and ability to inhibit tumor cell growth, migration, and invasion. However, the combined role of SCU and BLM treatment in tumor is unclear. This study aimed to investigate the possible effect and related mechanisms of BLM combined with SCU in the treatment of tumor through in vivo and in vitro experiments...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29962114/rise-in-antifibrotic-and-decrease-in-profibrotic-microrna-protect-the-heart-against-fibrosis-during-pregnancy-a-preliminary-study
#14
Ewa Szczerba, Agnieszka Zajkowska, Anna Bochowicz, Katarzyna Pankiewicz, Grzegorz Szewczyk, Katarzyna Markiewicz, Grzegorz Opolski, Tomasz Maciejewski, Maciej Małecki, Anna Fijałkowska
BACKGROUND: Physiological pregnancy is associated with volume overload. Unlike cardiac pathologies linked with volume overload, such as mitral or aortic regurgitation, pregnancy is thought to be unrelated to fibrosis of the heart. However, changes in the cardiac extracellular matrix during pregnancy remain poorly understood. OBJECTIVES: The aim of the study was to examine the expression of 11 microRNAs associated with cardiac fibrosis (miR-21, miR-26a, miR-26b-5p, miR-29b-3p, miR-29c-3p, miR-101a, miR-146a, miR-208a, miR-223 and miR-328) during pregnancy and to compare them with a healthy control group...
July 2, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29958242/the-lncrna-h19-mediates-the-protective-effect-of-hypoxia-postconditioning-against-hypoxia-reoxygenation-injury-to-senescent-cardiomyocytes-by-targeting-microrna-29b-3p
#15
Xuan Zhang, Long Cheng, Longhe Xu, Yunliang Zhang, Yitian Yang, Qiang Fu, Weidong Mi, Hao Li
BACKGROUND: Ischemic postconditioning (I/Post) is an endogenous protection mechanism that reduces injury induced by ischemia-reperfusion (I/R). It remains controversial whether I/Post protects against I/R injury to the aging heart. The long non-coding RNA, H19 protects H9c2 cells against hypoxia-induced injury. This study aimed to elucidate the role of H19 in the hypoxic postconditioning (H/Post) of aged cardiomyocytes. METHODS: Senescence induced by D-galactose in primary cardiomyocytes from neonatal Sprague-Dawley rats was measured by senescence-associated β-galactosidase staining...
June 27, 2018: Shock
https://www.readbyqxmd.com/read/29940895/microrna-29b-2-5p-inhibits-cell-proliferation-by-directly-targeting-cbl-b-in-pancreatic-ductal-adenocarcinoma
#16
Ce Li, Qian Dong, Xiaofang Che, Ling Xu, Zhi Li, Yibo Fan, Kezuo Hou, Shuo Wang, Jinglei Qu, Lu Xu, Ti Wen, Xianghong Yang, Xiujuan Qu, Yunpeng Liu
BACKGROUND: MicroRNAs can be used in the prognosis of malignancies; however, their regulatory mechanisms are unknown, especially in pancreatic ductal adenocarcinoma (PDAC). METHODS: In 120 PDAC specimens, miRNA levels were assessed by quantitative real time polymerase chain reaction (qRT-PCR). Then, the role of miR-29b-2-5p in cell proliferation was evaluated both in vitro (Trypan blue staining and cell cycle analysis in the two PDAC cell lines SW1990 and Capan-2) and in vivo using a xenograft mouse model...
June 25, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29940860/the-arrhythmogenic-cardiomyopathy-specific-coding-and-non-coding-transcriptome-in-human-cardiac-stromal-cells
#17
Johannes Rainer, Viviana Meraviglia, Hagen Blankenburg, Chiara Piubelli, Peter P Pramstaller, Adolfo Paolin, Elisa Cogliati, Giulio Pompilio, Elena Sommariva, Francisco S Domingues, Alessandra Rossini
BACKGROUND: Arrhythmogenic cardiomyopathy (ACM) is a genetic autosomal disease characterized by abnormal cell-cell adhesion, cardiomyocyte death, progressive fibro-adipose replacement of the myocardium, arrhythmias and sudden death. Several different cell types contribute to the pathogenesis of ACM, including, as recently described, cardiac stromal cells (CStCs). In the present study, we aim to identify ACM-specific expression profiles of human CStCs derived from endomyocardial biopsies of ACM patients and healthy individuals employing TaqMan Low Density Arrays for miRNA expression profiling, and high throughput sequencing for gene expression quantification...
June 25, 2018: BMC Genomics
https://www.readbyqxmd.com/read/29927717/drug-targeting-and-biomarkers-in-head-and-neck-cancers-insights-from-systems-biology-analyses
#18
Tania Islam, Rezanur Rahman, Esra Gov, Beste Turanli, Gizem Gulfidan, Anwarul Haque, Kazım Yalçın Arga, Nurul Haque Mollah
The head and neck squamous cell carcinoma (HNSCC) is one of the most common cancers in the world, but robust biomarkers and diagnostics are still not available. This study provides in-depth insights from systems biology analyses to identify molecular biomarker signatures to inform systematic drug targeting in HNSCC. Gene expression profiles from tumors and normal tissues of 22 patients with histological confirmation of nonmetastatic HNSCC were subjected to integrative analyses with genome-scale biomolecular networks (i...
June 2018: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/29901153/assessment-of-the-effects-of-prostaglandins-on-myometrial-and-leiomyoma-cells-in-vitro-through-microrna-profiling
#19
Hwi Gon Kim, Ga Young Jung, Seung Bin Park, Yeon Jean Cho, Myoungseok Han
It is well known that prostaglandin (PG) E2 and PGF2α are secreted in copious amounts from the menstruating uterus. The aim of the present study was to determine whether PGs affect the growth of uterine leiomyomas (ULs) to the same extent as estrogen or progesterone (P4). The present study evaluated the expression of eight microRNAs (miRNAs) by reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR) through treatment with estradiol (E2), P4, PGE2, PGF2α and each antagonist or cyclooxygenase‑2 (COX‑2) inhibitor of cultured leiomyoma and myometrial cells (LC and MC, respectively)...
August 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29896234/inhibition-of-prostaglandin-e2-protects-abdominal-aortic-aneurysm-from-expansion-through-regulating-mir-29b-mediated-fibrotic-ecm-expression
#20
Zonglin Han, Tangshan Zhang, Yuxiang He, Gang Li, Gang Li, Xing Jin
The risk of rupture, the most feared clinical consequence of abdominal aortic aneurysm, increases with the enlargement of aorta. MicroRNA-29b (miR-29b) has emerged as a key modulator of extracellular matrix (ECM) homeostasis and thereby is proposed to play a crucial role in vascular remodeling. However, agents that alter miR-29b expression are relatively inefficient in the aorta, likely due to inferior uptake. Herein we found that miR-29b was upregulated in aortic smooth muscle cells upon prostaglandin E2 (PGE2 ) stimulation whereas indomethacin treatment downregulated miR-29b expression...
July 2018: Experimental and Therapeutic Medicine
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