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MicroRNA transplantation

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https://www.readbyqxmd.com/read/29769640/hypoxia-induced-microrna-191-contributes-to-hepatic-ischemia-reperfusion-injury-through-the-zonab-cyclin-d1-axis
#1
Wenming Pan, Lin Wang, Xiao-Fei Zhang, Hongji Zhang, Jinxiang Zhang, Guoliang Wang, Peng Xu, Yunwei Zhang, Ping Hu, Xiao-Dong Zhang, Run-Lei Du, Hui Wang
Hepatic ischemia/reperfusion injury (IRI) is a common cause of morbidity and mortality in liver transplantation settings and involves severe cell death and inflammatory responses. MicroRNA-191 has recently been reported to be abnormally expressed in hepatocellular carcinoma and other liver diseases in the regulation of important cellular processes. However, little is known about its function and molecular mechanism in IRI. Here, we demonstrate that miR-191 is significantly upregulated in a cultured cell line during hypoxia/reperfusion (H/R) and in liver tissue during IRI in mice...
May 16, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29769011/evolving-strategies-for-the-treatment-of-t-cell-lymphoma-a-systematic-review-and-recent-patents
#2
Kamel Laribi, Mustapha Alani, Catherine Truong, Alix Baugier de Materre
OBJECTIVE: Mature T-cell lymphomas are a heterogeneous group of T-cell malignancies with a poor outcome. The discovery of new molecular biomarkers has led to the emergence of new drugs in recent years that target various signaling pathways. METHOD: We examined all pertinent published patents through 2015 that analyzed novel methods for the diagnosis and treatment of T cell lymphoma, as well as related published and unpublished studies. Selection criteria were established before data collection...
May 16, 2018: Recent Patents on Anti-cancer Drug Discovery
https://www.readbyqxmd.com/read/29767235/inhibition-of-microrna%C3%A2-16-protects-mesenchymal-stem-cells-against-apoptosis
#3
Jiang Rui, Shaohong Fang, Yongchen Wang, Bo Lv, Bo Yu, Shufeng Li
Bone marrow‑derived mesenchymal stem cells (BM‑MSCs) have been used in experimental research and clinical trials for heart function restoration and cardiomyocyte regeneration. However, due to a hostile microenvironment created by ischemia, hypoxia and pro‑inflammatory factors, the survival rate of implanted BM‑MSCs remains low. Therefore, strategies that can promote BM‑MSC survival and prevent apoptosis are required. Previous studies have reported that microRNA‑16 (miR‑16) can inhibit cell proliferation by targeting several proteins and signal pathway, not only by inducing apoptosis...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29763918/comprehensive-effects-of-suppression-of-microrna-383-in-human-bone-marrow-derived-mesenchymal-stem-cells-on-treating-spinal-cord-injury
#4
Guo-Jun Wei, Ke-Wen Zheng, Gang An, Zuo-Wei Shi, Kai-Fu Wang, Ying Guan, Yan-Song Wang, Peng-Fei Li, Da-Ming Dong
BACKGROUND/AIMS: Transplantation of bone-marrow-derived mesenchymal stem cells (MSCs) promotes neural cell regeneration after spinal cord injury (SCI). Recently, we showed that suppression of microRNA-383 (miR-383) in MSCs increased the protein levels of glial cell line derived neurotrophic factor (GDNF), resulting in improved therapeutic effects on SCI. However, the overall effects of miR-383 suppression in MSCs on SCI therapy were not determined yet. Here, we addressed this question...
May 10, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29743312/survival-of-mice-with-gastrointestinal-acute-radiation-syndrome-through-control-of-bacterial-translocation
#5
Fujio Suzuki, Bradford D Loucas, Ichiaki Ito, Akira Asai, Sumihiro Suzuki, Makiko Kobayashi
Macrophages (Mϕ) with the M2b phenotype (Pheno2b-Mϕ) in bacterial translocation sites have been described as cells responsible for the increased susceptibility of mice with gastrointestinal acute radiation syndrome to sepsis caused by gut bacteria. In this study, we tried to reduce the mortality of mice exposed to 7-10 Gy of gamma rays by controlling Pheno2b-Mϕ polarization in bacterial translocation sites. MicroRNA-222 was induced in association with gamma irradiation. Pheno2b-Mϕ polarization was promoted and maintained in gamma-irradiated mice through the reduction of a long noncoding RNA growth arrest-specific transcript 5 (a CCL1 gene silencer) influenced by this microRNA...
May 9, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29720426/microrna-155-modulates-acute-graft-versus-host-disease-by-impacting-t-cell-expansion-migration-and-effector-function
#6
Nina C Zitzer, Katiri Snyder, Xiamoei Meng, Patricia A Taylor, Yvonne A Efebera, Steven M Devine, Bruce R Blazar, Ramiro Garzon, Parvathi Ranganathan
MicroRNA-155 (miR-155) is a small noncoding RNA critical for the regulation of inflammation as well as innate and adaptive immune responses. MiR-155 has been shown to be dysregulated in both donor and recipient immune cells during acute graft-versus-host disease (aGVHD). We previously reported that miR-155 is upregulated in donor T cells of mice and humans with aGVHD and that mice receiving miR-155-deficient (miR155-/- ) splenocytes had markedly reduced aGVHD. However, molecular mechanisms by which miR-155 modulates T cell function in aGVHD have not been fully investigated...
May 2, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29715263/downregulation-of-mir-199b-5p-inducing-differentiation-of-bone-marrow-mesenchymal-stem-cells-bmscs-toward-cardiomyocyte-like-cells-via-hsf1-hsp70-pathway
#7
Fangjie Dai, Peizhao Du, Yaowei Chang, Endong Ji, Yunjia Xu, Chunyan Wei, Jiming Li
BACKGROUND Bone-marrow mesenchymal stem cells (BMSCs) are pluripotent stem cells with potent self-renewal and differentiation ability that are widely used in transplantation of cell therapy. But the mechanism on microRNA (miRNA) regulating stem cell differentiation is complicated and unclear. The aim of this study was to investigate whether miR-199b-5p is involved in differentiation of cardiomyocyte-like cells and identify potential signal pathways in BMSCs. MATERIAL AND METHODS Mouse BMSCs were treated with 5-azacytidine and transfected by miR-199b-5p mimic and inhibitor, respectively...
May 1, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29712758/microrna-33-regulates-the-population-of-peripheral-inflammatory-ly6c-high-monocytes-through-dual-pathways
#8
Osamu Baba, Takahiro Horie, Tetsushi Nakao, Daihiko Hakuno, Yasuhiro Nakashima, Hitoo Nishi, Yasuhide Kuwabara, Masataka Nishiga, Tomohiro Nishino, Yuya Ide, Fumiko Nakazeki, Satoshi Koyama, Masahiro Kimura, Ritsuko Hanada, Masahiro Kawahara, Takeshi Kimura, Koh Ono
MicroRNA (miR)-33 targets ATP-binding cassette transporter A1 (ABCA1), and its deficiency increases serum HDL-cholesterol (HDL-C) and ameliorates atherosclerosis. Although we previously reported that miR-33 deficiency increased peripheral Ly6Chigh monocytes on ApoE-deficient background, the effect of miR-33 on monocyte population is not fully elucidated especially on wild-type (WT) background.We found that Ly6Chigh monocytes in miR-33-/- mice were decreased in peripheral blood and increased in bone marrow (BM)...
April 30, 2018: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/29710473/long-non-coding-rnas-an-essential-emerging-field-in-kidney-pathogenesis
#9
REVIEW
Hakimeh Moghaddas Sani, Mina Hejazian, Seyed Mahdi Hosseinian Khatibi, Mohammadreza Ardalan, Sepideh Zununi Vahed
Human Genome Project has made it clear that a majority of the genome is transcribed into the non-coding RNAs including microRNAs as well as long non-coding RNAs (lncRNAs) which both can affect different features of cells. LncRNAs are long heterogenous RNAs that regulate gene expression and a variety of signaling pathways involved in cellular homeostasis and development. Studies over the past decade have shown that lncRNAs have a major role in the kidney pathogenesis. The effective roles of lncRNAs have been recognized in renal ischemia, injury, inflammation, fibrosis, glomerular diseases, renal transplantation, and renal cell carcinoma...
March 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29707155/tissue-mirna-483-3p-expression-predicts-tumor-recurrence-after-surgical-resection-in-histologically-advanced-hepatocellular-carcinomas
#10
Francesco Vasuri, Silvia Fittipaldi, Vanessa De Pace, Laura Gramantieri, Valentina Bertuzzo, Matteo Cescon, Antonio D Pinna, Michelangelo Fiorentino, Antonia D'Errico, Matteo Ravaioli
The choice of surgical treatment for hepatocellular carcinoma (HCC) depends on several prognostic variables, among which histological features, like microvascular invasion and tumor grade, are well established. This study aims to identify the tissue miRNAs predictive of recurrence after liver resection in "histologically advanced" HCC. We selected 54 patients: 15 retrospective resected patients without recurrence (group A), 19 retrospective resected patients with HCC recurrence (group B), and 20 prospective patients (group C), with 4 recurrence cases...
April 3, 2018: Oncotarget
https://www.readbyqxmd.com/read/29702606/safety-and-feasibility-of-lin-cells-administration-to-als-patients-a-novel-view-on-humoral-factors-and-mirna-profiles
#11
Anna Sobuś, Bartłomiej Baumert, Zofia Litwińska, Monika Gołąb-Janowska, Jacek Stępniewski, Maciej Kotowski, Ewa Pius-Sadowska, Miłosz P Kawa, Dorota Gródecka-Szwajkiewicz, Jarosław Peregud-Pogorzelski, Józef Dulak, Przemysław Nowacki, Bogusław Machaliński
Therapeutic options for amyotrophic lateral sclerosis (ALS) are still limited. Great hopes, however, are placed in growth factors that show neuroprotective abilities (e.g., nerve growth factor (NGF), brain-derived neurotrophic factor (BDNF), and vascular endothelial growth factor (VEGF)) and in the immune modulating features, in particular, the anti-inflammatory effects. In our study we aimed to investigate whether a bone marrow-derived lineage-negative (Lin-) cells population, after autologous application into cerebrospinal fluid (CSF), is able to produce noticeable concentrations of trophic factors and inflammatory-related proteins and thus influence the clinical course of ALS...
April 27, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29694248/adar1-attenuates-allogeneic-graft-rejection-by-suppressing-mir-21-biogenesis-in-macrophages-and-promoting-m2-polarization
#12
Junjie Li, Jiangang Xie, Shanshou Liu, Xiao Li, Dongliang Zhang, Xianqi Wang, Jinquan Jiang, Wei Hu, Yuan Zhang, Boquan Jin, Ran Zhuang, Wen Yin
ADAR1 (adenosine deaminase acting on double-stranded RNA 1) is an RNA-editing enzyme that mediates adenosine-to-inosine RNA editing events, an important post-transcriptional modification mechanism that can alter the coding properties of mRNA or regulate microRNA biogenesis. ADAR1 also regulates the innate immune response. Here, we have demonstrated that ADAR1 expression increased in LPS-stimulated macrophages. Silencing ADAR1 by using small interfering RNA in macrophages resulted in the pronounced polarization of macrophages to M1, whereas ADAR1 overexpression promoted M2 polarization, which indicated that ADAR1 can inhibit macrophage hyperpolarization and prevent immune hyperactivity...
April 25, 2018: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29692195/exosomes-and-stem-cells-in-degenerative-disease-diagnosis-and-therapy
#13
Yu-Hsun Chang, Kung-Chi Wu, Horng-Jyh Harn, Shinn-Zong Lin, Dah-Ching Ding
Stroke can cause death and disability, resulting in a huge burden on society. Parkinson's disease (PD) is a chronic neurodegenerative disorder characterized by motor dysfunction. Osteoarthritis (OA) is a progressive degenerative joint disease characterized by cartilage destruction and osteophyte formation in the joints. Stem cell therapy may provide a biological treatment alternative to traditional pharmacological therapy. Mesenchymal stem cells (MSCs) are preferred because of their differentiation ability and possible derivation from many adult tissues...
January 1, 2018: Cell Transplantation
https://www.readbyqxmd.com/read/29686677/mir-466a-targeting-of-tgf-%C3%AE-2-contributes-to-foxp3-regulatory-t-cell-differentiation-in-a-murine-model-of-allogeneic-transplantation
#14
William Becker, Mitzi Nagarkatti, Prakash S Nagarkatti
The promise of inducing immunological tolerance through regulatory T cell (Treg) control of effector T cell function is crucial for developing future therapeutic strategies to treat allograft rejection as well as inflammatory autoimmune diseases. In the current study, we used murine allograft rejection as a model to identify microRNA (miRNA) regulation of Treg differentiation from naïve CD4 cells. We performed miRNA expression array in CD4+ T cells in the draining lymph node (dLN) of mice which received syngeneic or allogeneic grafts to determine the molecular mechanisms that hinder the expansion of Tregs...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29684757/microrna-144-suppresses-the-expression-of-cytokines-through-targeting-rankl-in-the-matured-immune-cells
#15
Rui-Dong Li, Cong-Huan Shen, Yi-Feng Tao, Xiao-Fei Zhang, Quan-Bao Zhang, Zhen-Yu Ma, Zheng-Xin Wang
To investigate whether the microRNA-144 (miR-144) had immune regulation effect on matured immune cells, we firstly used quantitative RT-PCR (qRT-PCR) to detect the expression changes of miR-144 between the matured and immature dendritic cells (DCs), macrophages, and the peripheral blood mononuclear cells (PBMCs). Then we went on inspecting the expression changes of TNF-α, IL-1β, IL-6 and IL-23 in the matured DCs treated with miR-144 mimics or inhibitors using qRT-PCR, and also performed western blot to test phosphorylation state of ERK, JNK, p38 and p65 in these cells...
April 20, 2018: Cytokine
https://www.readbyqxmd.com/read/29677166/in-vitro-identification-of-new-transcriptomic-and-mirnomic-profiles-associated-with-pulmonary-fibrosis-induced-by-high-doses-everolimus-looking-for-new-pathogenetic-markers-and-therapeutic-targets
#16
Simona Granata, Gloria Santoro, Valentina Masola, Paola Tomei, Fabio Sallustio, Paola Pontrelli, Matteo Accetturo, Nadia Antonucci, Pierluigi Carratù, Antonio Lupo, Gianluigi Zaza
The administration of Everolimus (EVE), a mTOR inhibitor used in transplantation and cancer, is often associated with adverse effects including pulmonary fibrosis. Although the underlying mechanism is not fully clarified, this condition could be in part caused by epithelial to mesenchymal transition (EMT) of airway cells. To improve our knowledge, primary bronchial epithelial cells (BE63/3) were treated with EVE (5 and 100 nM) for 24 h. EMT markers (α-SMA, vimentin, fibronectin) were measured by RT-PCR. Transepithelial resistance was measured by Millicell-ERS ohmmeter...
April 20, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29673400/long-noncoding-rna-h19-upregulates-vascular-endothelial-growth-factor-a-to-enhance-mesenchymal-stem-cells-survival-and-angiogenic-capacity-by-inhibiting-mir-199a-5p
#17
Jingying Hou, Lingyun Wang, Quanhua Wu, Guanghui Zheng, Huibao Long, Hao Wu, Changqing Zhou, Tianzhu Guo, Tingting Zhong, Lei Wang, Xuxiang Chen, Tong Wang
BACKGROUND: Currently, the overall therapeutic efficiency of mesenchymal stem cells (MSCs) transplantation for the treatment of cardiovascular disease is not satisfactory. The low viability and angiogenic capacity of the implanted cells in the local infarct tissues restrict their further application. Evidence shows that long noncoding RNA H19 (lncRNA-H19) mediates cell survival and angiogenesis. Additionally, it is also involved in MSCs biological activities. This study aimed to explore the functional role of lncRNA-H19 in MSCs survival and angiogenic capacity as well as the underlying mechanism...
April 19, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29663340/molecular-signatures-in-hepatocellular-carcinoma-a-step-toward-rationally-designed-cancer-therapy
#18
REVIEW
Derek J Erstad, Bryan C Fuchs, Kenneth K Tanabe
Molecular characterization of hepatocellular carcinoma (HCC) has greatly improved our understanding of disease pathogenesis. Mutational analysis, RNA and microRNA expression profiling, and epigenetic characterization have revealed common aberrations in oncogenes and tumor suppressors that correlate with disease biology and serve as a guide for the rational design of targeted therapies. These approaches have also led to the discovery of novel targets, including mutations in isocitrate dehydrogenase and chromatin remodeling enzymes...
April 17, 2018: Cancer
https://www.readbyqxmd.com/read/29660269/deterministic-encapsulation-of-human-cardiac-stem-cells-in-variable-composition-nanoporous-gel-cocoons-to-enhance-therapeutic-repair-of-injured-myocardium
#19
Pushpinder Kanda, Emilio I Alarcon, Tanya Yeuchyk, Sadrine Parent, Robert A de Kemp, Fabio Variola, David Courtman, Duncan J Stewart, Darryl R Davis
Although cocooning explant-derived cardiac stem cells in protective nanogels prior to intramyocardial injection boosts long-term cell retention, the number of EDCs that finally engraft is trivial and unlikely to account for salutary effects on myocardial function and scar size. As such, we investigated the effect of varying the nanogel content within micro-capsules to alter the physical properties of cocoons without influencing cocoon dimensions. Increasing nanogel concentration enhanced cell migration and viability while improving cell-mediated repair of injured myocardium...
April 16, 2018: ACS Nano
https://www.readbyqxmd.com/read/29658868/serum-levels-of-mir-155-mir-326-and-mir-133b-as-early-diagnostic-biomarkers-for-the-detection-of-human-acute-heart-allograft-rejection-in-comparison-with-serum-cardiac-troponin-t
#20
Aghil Esmaeili-Bandboni, Jamshid Bagheri, Ali Reza Bakhshandeh, Javad Mohammadnejad, Esmaeil Sadroddiny
BACKGROUND: Acute heart allograft rejection occurs as a result of antibody-mediated rejection that presents during the first month after transplantation. Finding a non-invasive biomarker is essential for diagnosis of heart allograft rejection. In this research, we intended to compare expression levels of several microRNAs across cardiac troponin T levels between rejected patients (who died before one month following transplantation), non-rejected patients (who survived for at least one month after transplantation), and non-transplanted patients (CABG surgery patients)...
March 12, 2018: Heart Surgery Forum
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