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MicroRNA transplantation

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https://www.readbyqxmd.com/read/29328459/%C3%AE-solanine-enhances-the-chemosensitivity-of-esophageal-cancer-cells-by-inducing-microrna%C3%A2-138-expression
#1
Jianbo Wu, Li Wang, Xinhui Du, Qianqian Sun, Yuanyuan Wang, Min Li, Wenqiao Zang, Kangdong Liu, Guoqiang Zhao
Esophageal cancer is a common malignant tumor worldwide. Inherent and acquired drug resistance are the major challenges faced in anticancer chemotherapy. This study aimed to explore the effects of α-solanine in regards to the chemosensitivity of esophageal cancer cells. We found that α-solanine enhanced the sensitivity of EC9706 and KYSE30 cells to 5-flurouracil (5-FU) and cisplatin (Cis) by promoting drug-induced apoptosis. qRT-PCR and western blotting results showed that α-solanine treatment promoted miR-138 expression and decreased survivin expression in EC9706 and KYSE30 cells...
January 4, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29305721/paragangliomas-arise-through-an-autonomous-vasculo-angio-neurogenic-program-inhibited-by-imatinib
#2
Fabio Verginelli, Silvia Perconti, Simone Vespa, Francesca Schiavi, Sampath Chandra Prasat, Paola Lanuti, Alessandro Cama, Lorenzo Tramontana, Diana Liberata Esposito, Simone Guarnieri, Artenca Sheu, Mattia Russel Pantalone, Rosalba Florio, Annalisa Morgano, Cosmo Rossi, Giuseppina Bologna, Marco Marchisio, Andrea D'Argenio, Elisa Taschin, Rosa Visone, Giuseppe Opocher, Angelo Veronese, Carlo T Paties, Vinalogu K Rajasekhar, Cecilia Söderberg-Nauclér, Mario Sanna, Lavinia Vittoria Lotti, Renato Mariani-Costantini
Tumours can be viewed as aberrant tissues or organs sustained by tumorigenic stem-like cells that engage into dysregulated histo/organogenetic processes. Paragangliomas, prototypical organoid tumours constituted by dysmorphic variants of the vascular and neural tissues found in normal paraganglia, provide a model to test this hypothesis. To understand the origin of paragangliomas, we built a biobank comprising 77 cases, 18 primary cultures, 4 derived cell lines, 80 patient-derived xenografts and 11 cell-derived xenografts...
January 5, 2018: Acta Neuropathologica
https://www.readbyqxmd.com/read/29301941/the-role-of-micrornas-in-glucocorticoid-action-literature-review
#3
Sally A Clayton, Simon W Jones, Mariola Kurowska-Stolarska, Andrew R Clark
Glucocorticoids (GCs) are steroids with profound anti-inflammatory and immunomodulatory activities. Synthetic GCs are widely used for managing chronic inflammatory and autoimmune conditions, as immunosuppressants in transplantation, and as antitumor agents in certain hematological cancers. However, prolonged GC exposure can cause adverse effects. A detailed understanding of GCs' mechanisms of action may enable harnessing of their desirable actions while minimizing harmful effects. Here, we review the impact on GC biology of microRNAs, small noncoding RNAs that posttranscriptionally regulate gene expression...
January 4, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29290993/microrna-34c-acts-as-a-bidirectional-switch-in-the-maturation-of-insulin-producing-cells-derived-from-mesenchymal-stem-cells
#4
Chunyu Bai, Yuhua Gao, Xiangyang Zhang, Wancai Yang, Weijun Guan
miRNAs regulate insulin secretion, pancreatic development, and beta-cell differentiation. However, their function in the differentiation of IPCs from MSCs is poorly understood. In this study, to screen for miRNAs and their targets that function during the formation of IPCs from MSCs, we examined the miRNA expression profiles of MSCs and IPCs using RNA-seq and qPCR to confirm the above results. We found that miR-34c exhibited transient upregulation at an early stage of the formation of IPCs derived from MSCs...
December 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/29290800/exosomes-from-human-umbilical-cord-blood-accelerate-cutaneous-wound-healing-through-mir-21-3p-mediated-promotion-of-angiogenesis-and-fibroblast-function
#5
Yin Hu, Shan-Shan Rao, Zhen-Xing Wang, Jia Cao, Yi-Juan Tan, Juan Luo, Hong-Ming Li, Wei-She Zhang, Chun-Yuan Chen, Hui Xie
The application of blood plasma for soft tissue wound healing is receiving much more attention recently. Exosomes are critical paracrine mediators that can be obtained from biological fluids including plasma and be able to induce regenerative effects by transferring bioactive molecules such as microRNAs (miRNAs). This study aimed to investigate the effects of exosomes from human umbilical cord blood plasma (UCB-Exos) on wound healing and to elucidate the underlying mechanism. Methods: UCB-Exos were isolated by ultracentrifugation and subcutaneously injected into full-thickness skin wounds in mice...
2018: Theranostics
https://www.readbyqxmd.com/read/29288704/the-mirn23a-and-mirn23b-microrna-clusters-are-necessary-for-proper-hematopoietic-progenitor-cell-production-and-differentiation
#6
Jeffrey L Kurkewich, Austin Boucher, Nathan Klopfenstein, Ramdas Baskar, Reuben Kapur, Richard Dahl
Mice deficient for microRNA (miRNA) cluster mirn23a exhibit increased B lymphopoiesis at the expense of myelopoiesis while hematopoietic stem and progenitor (HSPC) populations are unchanged. Mammals possess a paralogous mirn23b gene that can give rise to 3 mature miRNAs (miRs -23b, 24-1, and -27b) that have identical seed/ mRNA targeting sequences to their mirn23a counterparts. To assess whether compound deletion of mirn23a and mirn23b exacerbates the hematopoietic phenotype observed in mirn23a-/- mice, we generated a compound mirn23a-/-mirn23bfl/fl: Mx1-Cre conditional knockout mouse and assayed hematopoietic development after excision of mirn23b...
December 27, 2017: Experimental Hematology
https://www.readbyqxmd.com/read/29250120/human-chorionic-plate-derived-mesenchymal-stem-cells-restore-hepatic-lipid-metabolism-in-a-rat-model-of-bile-duct-ligation
#7
Yun Bin Lee, Jong Ho Choi, Eun Nam Kim, Jin Seok, Hyun-Jung Lee, Jung-Hwan Yoon, Gi Jin Kim
In cholestatic liver diseases, impaired bile excretion disrupts lipid homeostasis. We investigated changes of lipid metabolism, including mitochondrial β-oxidation, in a rat model of bile duct ligation (BDL) in which chorionic plate-derived mesenchymal stem cells (CP-MSCs) were transplanted. Serum cholesterol level, which was elevated after BDL, was significantly decreased following CP-MSC transplantation. The expression levels of genes involved in intracellular lipid uptake, including long-chain fatty acyl-CoA synthetases and fatty acid transport proteins, were decreased in rats after BDL; however, they were not significantly changed by subsequent CP-MSC transplantation...
2017: Stem Cells International
https://www.readbyqxmd.com/read/29245973/microrna-433-inhibits-oral-squamous-cell-carcinoma-cells-by-targeting-fak
#8
Yong-Jian Wang, Zi-Feng Zhang, Shao-Hua Fan, Juan Zhuang, Qun Shan, Xin-Rui Han, Xin Wen, Meng-Qiu Li, Bin Hu, Chun-Hui Sun, Bin Qiao, Qian Tao, Dong-Mei Wu, Jun Lu, Yuan-Lin Zheng
We investigated the involvement of microRNA-433 (miR-433) in the proliferation, migration, and invasiveness of oral squamous cell carcinoma (OSCC). Totally 108 OSCC tissues and adjacent normal tissues from patients with OSCC were collected. Also, transplanted tumor formation experiment in nude mice was conducted to verify the effect of miR-433 and FAK on subcutaneous transplanted tumor. The CD44+ stem cell from SCC-9 were collected and assigned into the blank, miR-433 mimics, mimics control, miR-433 inhibitors, inhibitors control, siFAK and miR-433 inhibitors + siFAK groups...
November 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/29241208/exosomes-from-mir-126-overexpressing-adscs-are-therapeutic-in-relieving-acute-myocardial-ischaemic-injury
#9
Qiancheng Luo, Dongfeng Guo, Guorong Liu, Guo Chen, Min Hang, Mingming Jin
BACKGROUND/AIMS: Recent studies have indicated that exosomes play an important role in adipose-derived stem cell (ADSC) transplant-mediated ischaemic heart disease therapy. However, the treatment effect is not obvious. The aim of this study is to investigate whether ADSC-derived exosomes enriched with microRNA (miR)-126 have a more protective effect on acute myocardial infarction (AMI). METHODS: Exosomes were characterized by transmission electron microscopy, and the exosome particles were further examined using nanoparticle tracking analyses...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29227984/microrna-146b-5p-identified-in-porcine-liver-donation-model-is-associated-with-early-allograft-dysfunction-in-human-liver-transplantation
#10
Cheukfai Li, Qiang Zhao, Wei Zhang, Maogen Chen, Weiqiang Ju, Linwei Wu, Ming Han, Yi Ma, Xiaofeng Zhu, Dongping Wang, Zhiyong Guo, Xiaoshun He
BACKGROUND Poor transplant outcome was observed in donation after brain death followed by circulatory death (DBCD), since the donor organs suffered both cytokine storm of brain death and warm ischemia injury. MicroRNAs (miRNAs) have emerged as promising disease biomarkers, so we sought to establish a miRNA signature of porcine DBCD and verify the findings in human liver transplantation. MATERIAL AND METHODS MiRNA expression was determined with miRNA sequencing in 3 types of the porcine model of organ donation, including donation after brain death (DBD) group, donation after circulatory death (DCD) group, and DBCD group...
December 11, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29217821/il-11-promotes-the-treatment-efficacy-of-hematopoietic-stem-cell-transplant-therapy-in-aplastic-anemia-model-mice-through-a-nf-%C3%AE%C2%BAb-microrna-204-thrombopoietin-regulatory-axis
#11
Yan Wang, Zhi-Yun Niu, Yu-Jie Guo, Li-Hua Wang, Feng-Ru Lin, Jing-Yu Zhang
Hematopoietic stem cell (HSC) transplantation could be of therapeutic value for aplastic anemia (AA) patients, and immunosuppressants may facilitate the efficiency of the procedure. As anti-inflammatory cytokine interleukin-11 (IL-11) has a thrombopoietic effect, its use in cases of chronic bone marrow failure, such as AA, has been proposed to induce HSC function. However, the putative mechanisms that may support this process remain poorly defined. We found that decreased miR-204-5p levels were coincident with increased proliferation in mouse HSCs following exposure to IL-11 in vitro...
December 8, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29215815/plasma-microrna-21-26a-and-29a-3p-as-predictive-markers-for-treatment-response-following-transarterial-chemoembolization-in-patients-with-hepatocellular-carcinoma
#12
Soon Sun Kim, Hyo Jung Cho, Ji Sun Nam, Hyun Ji Kim, Dae Ryong Kang, Je Hwan Won, Jinoo Kim, Jai Keun Kim, Jei Hee Lee, Bo Hyun Kim, Mi Young Lee, Sung Won Cho, Jae Youn Cheong
BACKGROUND: We investigated an association between the levels of plasma microRNA (miRNA)-21, -26a, and -29a-3p and treatment outcomes following transarterial chemoembolization (TACE) in patients with hepatocellular carcinoma (HCC). METHODS: A total of 198 patients with TACE-treated HCC were followed up for TACE refractoriness and liver transplantation (LT)-free survival. Pretreatment plasma miRNA-21, -26a, and -29a-3p levels were measured using quantitative real-time polymerase chain reaction...
January 1, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29212210/mir-21-silencing-ameliorates-experimental-autoimmune-encephalomyelitis-by-promoting-the-differentiation-of-il-10-producing-b-cells
#13
Hui Wang, Wenrong Xu, Qixiang Shao, Qing Ding
IL-10-producing regulatory B (IL-10+ Breg) cells promote tolerance in autoimmune diseases and transplantation. However, it remains unclear whether microRNAs are involved in the development of IL-10+ Breg cells. Here, we found that microRNA-21 (miR-21) acts as an upstream regulator of IL-10 by targeting the 3' untranslated region of IL-10 mRNA. We also demonstrated that IL-10+ Breg cells exhibit lower miR-21 expression than non-Breg cells and that miR-21 acts as a potent negative regulator of the differentiation of IL-10+ Breg cells...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29192241/microrna-21-regulates-osteogenic-differentiation-of-periodontal-ligament-stem-cells-by-targeting-smad5
#14
Fulan Wei, Shuangyan Yang, Qingyuan Guo, Xin Zhang, Dapeng Ren, Tao Lv, Xin Xu
Human periodontal ligament stem cells (hPDLSCs) are mesenchymal stem cells (MSCs) derived from dental and craniofacial tissues that exhibit high potential for differentiation into osteoblasts. Recently, microRNAs (miRNAs) have been established to play important roles in MSC osteogenesis. In the current study, we report that miR-21 was down-regulated in osteogenically differentiated PDLSCs. Overexpression of miR-21 significantly inhibited osteogenesis of hPDLSC, whereas its inhibition demonstrated the opposite effects...
November 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29191961/intragraft-molecular-pathways-associated-with-tolerance-induction-in-renal-transplantation
#15
Lorenzo Gallon, James M Mathew, Sai Vineela Bontha, Catherine I Dumur, Pranav Dalal, Lakshmi Nadimpalli, Daniel G Maluf, Aneesha A Shetty, Suzanne T Ildstad, Joseph R Leventhal, Valeria R Mas
The modern immunosuppression regimen has greatly improved short-term allograft outcomes but not long-term allograft survival. Complications associated with immunosuppression, specifically nephrotoxicity and infection risk, significantly affect graft and patient survival. Inducing and understanding pathways underlying clinical tolerance after transplantation are, therefore, necessary. We previously showed full donor chimerism and immunosuppression withdrawal in highly mismatched allograft recipients using a bioengineered stem cell product (FCRx)...
November 30, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/29185211/plasma-ebv-micrornas-in-paediatric-renal-transplant-recipients
#16
Jaythoon Hassan, Jonathan Dean, Cillian F De Gascun, Michael Riordan, Clodagh Sweeney, Jeff Connell, Atif Awan
BACKGROUND: Epstein-Barr virus (EBV) was the first human virus identified to express microRNA (miRNA). To date, 44 mature miRNAs are encoded for within the EBV genome. EBV miRNAs have not been profiled in paediatric renal transplant recipients. In this study, we investigated circulating EBV miRNA profiles as novel biomarkers in paediatric renal transplant patients. METHODS: Forty-two microRNAs encoded within 2 EBV open reading frames (BART and BHRF) were examined in renal transplant recipients who resolved EBV infection (REI) or maintained chronic high viral loads (CHL), and in non-transplant patients with acute infectious mononucleosis (IM)...
November 28, 2017: Journal of Nephrology
https://www.readbyqxmd.com/read/29178928/microrna-133-overexpression-promotes-the-therapeutic-efficacy-of-mesenchymal-stem-cells-on-acute-myocardial-infarction
#17
Yueqiu Chen, Yunfeng Zhao, Weiqian Chen, Lincen Xie, Zhen-Ao Zhao, Junjie Yang, Yihuan Chen, Wei Lei, Zhenya Shen
BACKGROUND: Our study aim was to evaluate the therapeutic efficacy and mechanisms of miR-133-overexpressing mesenchymal stem cells (MSCs) on acute myocardial infarction. METHODS: Rat MSCs were isolated and purified by whole bone marrow adherent culturing. After transfection with the agomir or antagomir of miR-133, MSCs were collected for assay of cell vitality, apoptosis, and cell cycle progression. At the same time, exosomes were isolated from the supernatant to analyze the paracrine miR-133...
November 25, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29176973/serum-and-extracellular-vesicle-micrornas-mir-423-mir-199-and-mir-93-as-biomarkers-for-acute-graft-versus-host-disease
#18
Rachel E Crossland, Jean Norden, Mateja Kralj Juric, Kim F Pearce, Clare Lendrem, Louis A Bibby, Matthew Collin, Hildegard T Greinix, Anne M Dickinson
Acute graft-versus-host disease (aGvHD) is a major cause of adverse outcome in hematopoietic stem cell transplantation (HSCT), with a high incidence (20-50%). A novel, non-invasive diagnostic test to predict for prevalence and severity would enable improved prophylaxis and reduce morbidity. Circulatory microRNAs (miRNAs) miR-423, miR-199, miR-93*, and miR-377 have previously been associated with aGvHD in post-HSCT patient plasma, but validation is lacking and their expression within extracellular vesicles (EVs) has not been explored...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29170365/intrahepatic-microrna-profile-of-liver-transplant-recipients-with-hepatitis-c-virus-co-infected-with-human-immunodeficiency-virus
#19
Hisamitsu Miyaaki, Mitsuhisa Takatsuki, Tatsuki Ichikawa, Masaaki Hidaka, Akihiko Soyama, Hideki Ohdan, Yukihiro Inomata, Shinji Uemoto, Norihiro Kokudo, Kazuhiko Nakao, Susumu Eguchi
BACKGROUND In patients with human immunodeficiency virus (HIV) and hepatitis C virus (HCV) co-infection, HIV can modulate HCV replication and immune response as well as accelerate liver fibrosis. The role of miRNA in HIV/HCV co-infection is not fully elucidated. The aim of this study was to examine the differential expression of miRNAs in the liver. MATERIAL AND METHODS Thirteen patients who had undergone a liver transplant (7 HCV-infected and 6 HIV/HCV-co-infected patients) were examined using a miRNA array containing 1347 human miRNAs...
November 24, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29156740/improvement-of-therapeutic-effects-of-mesenchymal-stem-cells-in-myocardial-infarction-through-genetic-suppression-of-microrna-142
#20
Liu-Xue Yang, Chun-Ling Wei, Man-Li Guo, Yong Zhang, Feng Bai, Shao-Gang Ma
Transplanted mesenchymal stem cells (MSCs) have been shown to contribute to myocardial repair after myocardial infarction (MI), primarily through production and secretion some growth factors and cytokines related to cell survival and regeneration. Further improvement of the therapeutic potential of MSCs appears to be an attractive strategy for MI treatment. CXC chemokine receptor (CXCR) 7 is the receptor for stromal cell-derived factor-1 (SDF-1), an important chemokine that is essential for tissue repair and angiogenesis...
October 17, 2017: Oncotarget
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