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https://www.readbyqxmd.com/read/30106161/microrna%C3%A2-34b-promotes-proliferation-migration-and-invasion-of-ewing-s-sarcoma-cells-by-downregulating-notch1
#1
Qunshan Lu, Mei Lu, Dong Li, Shuai Zhang
Ewing's sarcoma is the second most frequent bone and soft tissue sarcoma, which is commonly driven by the Ewing's sarcoma breakpoint region 1‑friend leukemia integration 1 transcription factor (EWS‑FLI1) fusion gene. Since microRNAs (miRs) can act as either oncogenes or tumor suppressor genes in human cancer, and miR‑34b has been reported to act as a tumor suppressor, the role of miR‑34b in Ewing's sarcoma was investigated in the present study. The results demonstrated that miR‑34b expression levels were higher in tumor samples compared within normal tissue samples...
August 9, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30106092/mir%C3%A2-204%C3%A2-5p-inhibits-the-occurrence-and-development-of-osteoarthritis-by-targeting-runx2
#2
Jiaqing Cao, Xinyou Han, Xin Qi, Xiangyun Jin, Xiaolin Li
One of the hallmarks of osteoarthritis (OA) development is endochondral ossification, in which Runt‑related transcription factor‑2 (Runx2) is aberrantly expressed. Runx2 was previously identified to be regulated by microRNA‑204‑5p (miR‑204‑5p). The aim of the present study was to investigate the potential function of miR‑204‑5p regulating Runx2 during the development of OA and the underlying molecular mechanism. The expression levels of miR‑204‑5p and Runx2 were determined in tissue specimens...
August 7, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/30101304/immune-system-mediated-atherosclerosis-caused-by-deficiency-of-long-noncoding-rna-malat1-in-apoe-mice
#3
Martina Gast, Bernhard H Rauch, Shinichi Nakagawa, Arash Haghikia, Andrzej Jasina, Jan Haas, Neetika Nath, Lars Jensen, Andrea Stroux, Andreas Böhm, Julian Friebel, Ursula Rauch, Carsten Skurk, Stefan Blankenberg, Tanja Zeller, Kannanganattu V Prasanth, Benjamin Meder, Andreas Kuss, Ulf Landmesser, Wolfgang Poller
Background: The immune system is considered a key driver of atherosclerosis, and beyond proteins and microRNAs (miRs), long noncoding RNAs (lncRNAs) are implicated in immune control. We previously described that lncRNA MALAT1 is involved in cardiac innate immunity in a myocarditis model. Here, we investigated the impact of MALAT1 deficiency upon atherosclerosis development. Methods and Results: Heterozygous MALAT1-deficient ApoE-/- mice displayed massive immune system dysregulation and atherosclerosis within two months even when kept on normal diet...
August 8, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/30100064/down-regulation-of-mir-193a-3p-promotes-osteoblast-differentiation-through-up-regulation-of-lgr4-atf4-signaling
#4
Weizhuo Wang, Jinsong Chen, Yigeng Hui, Mengdi Huang, Puwei Yuan
Emerging evidence indicates that microRNAs (miRNAs) are crucial regulators of osteoblast differentiation. A previous study has reported that miR-193a-3p expression is altered during the induction of osteoblast differentiation. However, the precise biological function and regulatory mechanism of miR-193a-3p during osteoblast differentiation remains unclear. In this study, we aimed to investigate the precise role and underlying mechanism of miR-193a-3p in regulating osteoblast differentiation. The results showed that miR-193a-3p expression was significantly down-regulated during the induction of osteoblast differentiation...
August 9, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/30097516/the-homeobox-transcription-factor-msx2-partially-mediates-the-effects-of-bone-morphogenetic-protein-4-bmp4-on-somatic-cell-reprogramming
#5
Lilong Lin, Lining Liang, Xiao Yang, Hao Sun, Yuan Li, Duanqing Pei, Hui Zheng
Bone morphogenetic proteins (BMPs) induce the mesenchymal-epithelial transition (MET) and thereby enhance the generation of induced pluripotent stem cells (iPSCs). However, BMPs are also signaling molecules critical for arresting reprogramming at the pre-iPSC state. In the current study, using mouse embryonic fibroblasts, we found that the time- and concentration-dependent effects of BMPs on reprogramming are mediated by Msh homeobox 2 (MSX2), a homeobox-containing transcription factor. BMPs up-regulated Msx2 by activating SMAD1/5, and MSX2 then directly bound to the promoters and up-regulated the expression of the cadherin 1 ( Cdh1 also known as E-cadherin ), GATA-binding protein 3 ( Gata3 ), and Nanog genes...
August 10, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/30092337/bone-marrow-mesenchymal-stromal-cells-attenuate-liver-allograft-rejection-may-via-upregulation-pd-l1-expression-through-downregulation-of-mir-17-5p
#6
Qiangxing Chen, Rou Zhou, Yingcai Zhang, Shuguang Zhu, Cuicui Xiao, Jiao Gong, Kun Li, Hui Tang, Chong Sun, Jian Zhang
Studies have reported that bone marrow mesenchymal stem cells (BMSCs) play an important role in immune regulation after organ transplantation. Some of the BMSC-mediated regulatory mechanisms are related to PD-L1 expression. However, the regulatory mechanism of PD-L1 expression is not fully understood. In this experiment, we confirmed the regulatory role of BMSCs in the rejection of liver transplantation and explored the possible mechanism by which PD-L1 expression is regulated in BMSCs. An orthotopic liver transplantation model in rats was established based on the "double-cuff technique"...
August 6, 2018: Transplant Immunology
https://www.readbyqxmd.com/read/30089634/microrna-30c-5p-modulates-neuropathic-pain-in-rodents
#7
Mónica Tramullas, Raquel Francés, Roberto de la Fuente, Sara Velategui, María Carcelén, Raquel García, Javier Llorca, María A Hurlé
Neuropathic pain is a debilitating chronic syndrome that is often refractory to currently available analgesics. Aberrant expression of several microRNAs (miRNAs) in nociception-related neural structures is associated with neuropathic pain in rodent models. We have exploited the antiallodynic phenotype of mice lacking the bone morphogenetic protein and activin membrane-bound inhibitor (BAMBI), a transforming growth factor-β (TGF-β) pseudoreceptor. We used these mice to identify new miRNAs that might be useful for diagnosing, treating, or predicting neuropathic pain...
August 8, 2018: Science Translational Medicine
https://www.readbyqxmd.com/read/30087655/-anril-a-lncrna-at-the-cdkn2a-b-locus-with-roles-in-cancer-and-metabolic-disease
#8
REVIEW
Yahui Kong, Chih-Heng Hsieh, Laura C Alonso
The CDKN2A/B genomic locus is associated with risk of human cancers and metabolic disease. Although the locus contains several important protein-coding genes, studies suggest disease roles for a lesser-known antisense lncRNA encoded at this locus, called ANRIL . ANRIL is a complex gene containing at least 21 exons in simians, with many reported linear and circular isoforms. Like other genes, abundance of ANRIL is regulated by epigenetics, classic transcription regulation, splicing, and post-transcriptional influences such as RNA stability and microRNAs...
2018: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/30083269/profiling-the-circulating-mirnome-reveals-a-temporal-regulation-of-the-bone-injury-response
#9
Andreia M Silva, Maria I Almeida, José H Teixeira, Cristina Ivan, Joana Oliveira, Daniel Vasconcelos, Nuno Neves, Cláudia Ribeiro-Machado, Carla Cunha, Mário A Barbosa, George A Calin, Susana G Santos
Bone injury healing is an orchestrated process that starts with an inflammatory phase followed by repair and remodelling of the bone defect. The initial inflammation is characterized by local changes in immune cell populations and molecular mediators, including microRNAs (miRNAs). However, the systemic response to bone injury remains largely uncharacterized. Thus, this study aimed to profile the changes in the plasma miRnome after bone injury and determine its biological implications. Methods: A rat model of femoral bone defect was used, and animals were evaluated at days 3 and 14 after injury...
2018: Theranostics
https://www.readbyqxmd.com/read/30078225/therapeutic-potential-of-micrornas-in-osteoporosis-function-by-regulating-the-biology-of-cells-related-to-bone-homeostasis
#10
REVIEW
Wenhua Zhao, Gengyang Shen, Hui Ren, De Liang, Xiang Yu, Zhida Zhang, Jinjing Huang, Ting Qiu, Jingjing Tang, Qi Shang, Peiyuan Yu, Zixian Wu, Xiaobing Jiang
MicroRNAs (miRNAs) are novel regulatory factors that play important roles in numerous cellular processes through the posttranscriptional regulation of gene expression. Recently, deregulation of the miRNA-mediated mechanism has emerged as an important pathological factor in osteoporosis. However, a detailed molecular mechanism between miRNAs and osteoporosis is still not available. In this review, the roles of miRNAs in the regulation of cells related to bone homeostasis as well as miRNAs that deregulate in human or animal are discussed...
August 5, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30078007/mirna-125b-regulates-osteogenic-differentiation-of-periodontal-ligament-cells-through-nkiras2-nf-%C3%AE%C2%BAb-pathway
#11
Nan Xue, Lin Qi, Guorong Zhang, Yang Zhang
BACKGROUND/AIMS: Osteogenesis of periodontal ligament cells (PDLCS) is essential for alveolar bone repair. Varieties of factors have been found involved in the regulation of PDLCs osteoblast differentiation. Aim of this study was to identify microRNA as a regulator of the os-teogenic differentiation of PDLCs. METHODS: The CD markers were analyzed by flow cytometry analysis. Osteoblast differentiation of PDLCs was induced by treatment with dexamethasone, β-glycerol phosphate and α-ascorbic acid...
August 3, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/30076901/mir-590-3p-inhibits-proliferation-and-promotes-apoptosis-by-targeting-activating-transcription-factor-3-in-human-breast-cancer-cells
#12
M Rohini, M Gokulnath, P J Miranda, N Selvamurugan
We previously reported that ATF3 and Runx2 are involved in breast cancer progression and bone metastasis. The expression of these genes can be controlled by post-transcriptional regulators such as microRNAs (miRNAs). In this study, we identified and validated the functional role of miR-590-3p in human breast cancer cells (MDA-MB231). There was an inverse correlation between the expression of miR-590-3p and its putative target genes, ATF3 and Runx2 in these cells. Overexpression of miR-590-3p decreased the expression of ATF3 and Runx2 at the mRNA and protein levels in MDA-MB231 cells...
August 1, 2018: Biochimie
https://www.readbyqxmd.com/read/30076721/mir-214-is-an-important-regulator-of-the-musculoskeletal-metabolism-and-disease
#13
REVIEW
Youqiang Sun, Vincent Kuek, Yuhao Liu, Jennifer Tickner, Yu Yuan, Leilei Chen, Zhikui Zeng, Min Shao, Wei He, Jiake Xu
MiR-214 belongs to a family of microRNA (small, highly conserved noncoding RNA molecules) precursors that play a pivotal role in biological functions, such as cellular function, tissue development, tissue homeostasis, and pathogenesis of diseases. Recently, miR-214 emerged as a critical regulator of musculoskeletal metabolism. Specifically, miR-214 can mediate skeletal muscle myogenesis and vascular smooth muscle cell proliferation, migration, and differentiation. MiR-214 also modulates osteoblast function by targeting specific molecular pathways and the expression of various osteoblast-related genes; promotes osteoclast activity by targeting phosphatase and tensin homolog (Pten); and mediates osteoclast-osteoblast intercellular crosstalk via an exosomal miRNA paracrine mechanism...
August 4, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/30074264/microrna-136-promotes-lipopolysaccharide-induced-atdc5-cell-injury-and-inflammatory-cytokine-expression-by-targeting-myeloid-cell-leukemia-1
#14
Yang Wang, Daliang Kong
Osteoarthritis is the most frequent chronic bone and joint diseases in older populations all over the world. Lipopolysaccharide (LPS)-induced murine chondrogenic ATDC5 cell model has been widely used for testing new osteoarthritis therapeutic targets. This study aimed to explore the effects of microRNA-136 (miR-136) on LPS-induced ATDC5 cell injury and inflammatory cytokine expression, as well as underlying potential mechanism. We found that LPS remarkably inhibited ATDC5 cell viability, induced ATDC5 cell apoptosis, and upregulated the expression of inflammatory cytokines, including interleukin 1β (IL-1β), IL-6, IL-8, and tumor necrosis factor α (TNF-α; P < ...
August 3, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/30066863/role-of-microrna-146a-on-the-healing-of-cornea-alkali-burn-treated-with-mesenchymal-stem-cells
#15
Xu Luo, Jianmin Li, Lihui Yin, Jian Pan, Yang Zhang, Zipei Jiang
The aim of the present study was to investigate the effect of microRNA 146a (miR146a) on promoting the repair of corneal alkali burn with bone marrow mesenchymal stem cells (MSCs). A total of 24 Sprague‑Dawley female rats were divided into a normal group (Control), a normal MSC treatment group (Normal MSCs), an miR146a knockout MSC treatment group (miR146a‑low MSCs) and an miR146a high‑expression MSC treatment group (miR146a‑high MSCs) according to the random number table. Quantitative polymerase chain reaction was used to evaluate the expression levels of miR146a...
July 27, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/30063434/mirnas-in-bone-metastasis
#16
Douglas G Cheung, Marta Buzzetti, Gianpiero Di Leva
Bone metastasis is one of the most common forms of metastasis from a number of different primary carcinomas. MicroRNAs (miRNAs) are short, endogenous RNAs that negatively regulate gene expression to control essential pathways, including those involved in bone organogenesis and homeostasis. As these pathways are often hijacked during bone metastasis, it is not surprising that miRNAs can also influence bone metastasis formation. Areas covered: In this review, we first summarize the major signalling pathways involved in normal bone development and bone metastasis...
November 2017: Expert Review of Endocrinology & Metabolism
https://www.readbyqxmd.com/read/30061880/long-non-coding-rnas-play-a-role-in-the-pathogenesis-of-psoriatic-arthritis-by-regulating-micrornas-and-genes-involved-in-inflammation-and-metabolic-syndrome
#17
Marzia Dolcino, Andrea Pelosi, Piera Filomena Fiore, Giuseppe Patuzzo, Elisa Tinazzi, Claudio Lunardi, Antonio Puccetti
Psoriatic arthritis (PsA) is an inflammatory arthritis, characterized by inflammation of entheses and synovium, leading to joint erosions and new bone formation. It affects 10-30% of patients with psoriasis, and has an estimated prevalence of approximately 1%. PsA is considered to be primarily an autoimmune disease, driven by autoreactive T cells directed against autoantigens present in the skin and in the joints. However, an autoinflammatory origin has recently been proposed. Long noncoding RNAs (lncRNAs) are RNAs more than 200 nucleotides in length that do not encode proteins...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/30059491/mir-145-5p-increases-osteoclast-numbers-in-vitro-and-aggravates-bone-erosion-in-collagen-induced-arthritis-by-targeting-osteoprotegerin
#18
Yaqing Chen, Xiaoxue Wang, Mengchen Yang, Wendong Ruan, Wei Wei, Dongmei Gu, Jing Wang, Xinling Guo, Lingxia Guo, Yuhua Yuan
BACKGROUND Osteoprotegerin (OPG) inhibits bone resorption and binds with strong affinity to receptor activator of NF κB ligand (RANKL), thereby preventing RANKL from binding to its receptor RANK. Osteoclasts have documented effects on bone erosion of rheumatoid arthritis (RA). The aim of this study was to examine the role of miR-145-5p in the regulation of RA osteoclast differentiation and bone erosion. MATERIAL AND METHODS Expression of microRNA-145-5p in human peripheral blood mononuclear cells (PBMC) and synovial tissue was assayed by real-time polymerase chain reaction (RT-PCR)...
July 30, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/30058695/overexpressed-microrna-615-3p-promotes-progression-of-neonatal-acute-respiratory-distress-syndrome-by-inhibiting-differentiation-of-mesenchymal-stem-cells-to-alveolar-type-ii-epithelial-cells
#19
Y-Q Wu, Y-J Ding
OBJECTIVE: To explore whether microRNA-615-3p participates in the progression of neonatal acute respiratory distress syndrome (ARDS) by inhibiting differentiation of mesenchymal stem cells (MSCs) to alveolar type II epithelial cells (ATII) via Wnt/β-catenin pathway. PATIENTS AND METHODS: Expression levels of microRNA-615-3p and inflammatory factors (IL-1, IL-6, IL-8, and TNF-α) in peripheral blood of 24 neonatal ARDS patients and 14 healthy newborns were detected by qRT-PCR (quantitative Real-Time Polymerase Chain Reaction)...
July 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/30055306/a-specific-haplotype-in-potential-mirnas-binding-sites-of-secreted-frizzled-related-protein-1-sfrp1-is-associated-with-bmd-variation-in-osteoporosis
#20
Fatemeh Amjadi-Moheb, Seyed Reza Hosseini, Mohadeseh Kosari-Monfared, Elham Ghadami, Hajighorban Nooreddini, Haleh Akhavan-Niaki
PURPOSE: Osteoporosis is an important multifactorial disease which is largely influenced by Wnt signaling pathway. Considering regulatory single nucleotide polymorphisms in Wnt signaling pathway may pave the road of understanding the genetic basis of predisposition to osteoporosis. The aim of this study was to determine the possible association between variants of SFRP1 and WNT5b, and osteoporosis incidence risk. METHODS: The study population comprised 186 osteoporotic patients and 118 normal subjects from Amirkola Health and Ageing Project...
July 25, 2018: Gene
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