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MicroRNA transplantation

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https://www.readbyqxmd.com/read/29156740/improvement-of-therapeutic-effects-of-mesenchymal-stem-cells-in-myocardial-infarction-through-genetic-suppression-of-microrna-142
#1
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
https://www.readbyqxmd.com/read/29151817/microrna-214-3p-inhibits-proliferation-and-cell-cycle-progression-by-targeting-melk-in-hepatocellular-carcinoma-and-correlates-cancer-prognosis
#2
Yue Li, You Li, Yao Chen, Qian Xie, Ningning Dong, Yanjun Gao, Huan Deng, Chunhua Lu, Suihai Wang
Background: MicroRNAs are considered as potential regulators in various biological pathways and contribute to the diagnosis and prognosis of cancers. MicroRNA-214-3p (miR-214-3p) was proved to be correlated with various cancers in recent studies. However, the biological functions of miR-214-3p in hepatocellular carcinoma (HCC) and its association with the prognosis of HCC after liver transplantation are still unevaluated. Here we intended to elucidate the functional implication of miR-214-3p in regulation of cell proliferation and apoptosis and its potential prediction of clinical prognosis of HCC patients...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/29146158/plasma-microrna-155-5p-is-increased-among-patients-with-chronic-kidney-disease-and-nocturnal-hypertension
#3
Dominika Klimczak, Marek Kuch, Tomasz Pilecki, Dorota Żochowska, Agnieszka Wirkowska, Leszek Pączek
MicroRNAs play multiple roles in the regulation of blood pressure (BP). Nevertheless, to date, no study has assessed the association between microRNA plasma expression and BP control in chronic kidney disease (CKD) patients. Given this background, we evaluated the plasma expression of miR-155-5p, a translational inhibitor of angiotensin receptor type I, in CKD patients, to determine the association between miR-155-5p level and BP control. In this single-center cross-sectional study, we analyzed the miR-155-5p concentration by quantitative reverse transcriptase polymerase chain reaction using the U6 snRNA as a reference gene and 24-hour ambulatory blood pressure monitoring in CKD patients (stage ≥2) in relation to a control group of healthy age-matched and gender-matched individuals, with normal BP proven by the ambulatory blood pressure monitoring...
October 28, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/29141886/pd-l1-genetic-overexpression-or-pharmacological-restoration-in-hematopoietic-stem-and-progenitor-cells-reverses-autoimmune-diabetes
#4
Moufida Ben Nasr, Sara Tezza, Francesca D'Addio, Chiara Mameli, Vera Usuelli, Anna Maestroni, Domenico Corradi, Silvana Belletti, Luca Albarello, Gabriella Becchi, Gian Paolo Fadini, Christian Schuetz, James Markmann, Clive Wasserfall, Leonard Zon, Gian Vincenzo Zuccotti, Paolo Fiorina
Immunologically based clinical trials performed thus far have failed to cure type 1 diabetes (T1D), in part because these approaches were nonspecific. Because the disease is driven by autoreactive CD4 T cells, which destroy β cells, transplantation of hematopoietic stem and progenitor cells (HSPCs) has been recently offered as a therapy for T1D. Our transcriptomic profiling of HSPCs revealed that these cells are deficient in programmed death ligand 1 (PD-L1), an important immune checkpoint, in the T1D nonobese diabetic (NOD) mouse model...
November 15, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/29133238/mir-146a-targets-c-met-and-abolishes-colorectal-cancer-liver-metastasis
#5
Anne-Marie Bleau, Miriam Redrado, Estanislao Nistal-Villan, Maria Villalba, Francisco Exposito, Esther Redin, Arrate L de Aberasturi, Leyre Larzabal, Javier Freire, Javier Gomez-Roman, Alfonso Calvo
A major complication of colorectal cancer (CRC), one of the most frequent and deadly types of cancer, is disease progression via liver metastases. At this stage, very few treatment options are available for patients, and the disease remains incurable. Herein, we used a well-established mouse model of CRC liver metastasis (CLM) to identify new regulators of this process. Using serial transplantation of murine MC38 adenocarcinoma cells, we obtained liver metastatic variants that displayed extremely strong colonization abilities...
November 10, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29115639/oligodendrocyte-precursor-cell-transplantation-promotes-functional-recovery-following-contusive-spinal-cord-injury-in-rats-and-is-associated-with-altered-microrna-expression
#6
Jin Yang, Liu-Lin Xiong, You-Cui Wang, Xiang He, Ling Jiang, Song-Jun Fu, Xue-Fei Han, Jia Liu, Ting-Hua Wang
It has been reported that oligodendrocyte precursor cells (OPCs) may be used to treat contusive spinal cord injury (SCC), and may alter microRNA (miRNA/miR) expression following SCC in rats. However, the association between miRNA expression and the treatment of rats with SCC with OPC transplantation remain unclear. The present study transplanted OPCs into the spinal cord of rats with SCC and subsequently used the Basso, Beattie and Bresnahan (BBB) score to assess the functional recovery and pain scores. An miRNA assay was performed to detect differentially expressed miRNAs in the spinal cord of SCC rats transplanted with OPCs, compared with SCC rats transplanted with medium...
November 3, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29113342/overexpression-of-microrna-132-enhances-the-radiosensitivity-of-cervical-cancer-cells-by-down-regulating-bmi-1
#7
Gui-Feng Liu, Shu-Hua Zhang, Xue-Feng Li, Li-Yan Cao, Zhan-Zhao Fu, Shao-Nan Yu
We examined the effects of microRNA-132 (miR-132) on Bmi-1 expression and radiosensitivity in HeLa, SiHa, and C33A cervical cancer (CC) cells and 104 CC patients. MiR-132 expression was decreased and Bmi-1 expression was increased in tumor tissues compared to adjacent normal tissues and in radiotherapy-resistant patients compared to radiotherapy-sensitive patients. MiR-132 expression and Bmi-1 mRNA expression were also negatively correlated in tumor tissues. HeLa, SiHa, and C33A cells were divided into blank, miR-132 negative control (NC), miR-132 inhibitor, miR-132 mimics, siBmi-1, and miR-132 inhibitor + siBmi-1 groups, after which expression of miR-132 and Bmi-1, and the interaction between them and cell survival, proliferation, and apoptosis were examined...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29105402/adipose-derived-stem-cells-affect-mir-145-and-p53-expressions-of-co-cultured-hematopoietic-stem-cells
#8
Tahereh Foroutan, Aisan Farhadi, Saeed Abroun, Bahram Mohammad Soltani
OBJECTIVES: Umbilical cord blood is used for transplantation purposes in regenerative medicine of hematological disorders. MicroRNAs are important regulators of gene expression that control both physiological and pathological processes such as cancer development and incidence. There is a new relation between p53 (tumor suppressor gene) and miR-145 (suppressor of cell growth) upregulation. In this study, we have assessed how adipose-derived stem cells (ADSCs) affect the expansion of hematopoietic stem cells (HSCs), as well as miR-145 and p53 expressions...
January 2018: Cell Journal
https://www.readbyqxmd.com/read/29091884/advances-in-chronic-lymphocytic-leukemia-pharmacotherapy
#9
REVIEW
Lorena Caixeta Gomes, Aline Lúcia Menezes Ferrão, Fernanda Cristina Gontijo Evangelista, Tâmara Dauare de Almeida, Rayson Carvalho Barbosa, Maria das Graças Carvalho, Adriano de Paula Sabino
Chronic lymphocytic leukemia (CLL) is a lymphoproliferative disease that affects B lymphocytes in most cases. Leukemic lymphocytes have prolonged longevity, defined by resistance to apoptosis. These cells can accumulate in peripheral blood, bone marrow, and solid lymphoid organs. CLL may be indolent or aggressive and has a range of prognostic factors such as expression of CD38 and ZAP-70, immunophenotypic and cytogenetic changes, imbalanced apoptosis proteins, and others. Although CLL has a low mortality rate, this disease is generally not considered curable until today...
October 26, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29081036/microrna-378-enhances-radiation-response-in-ectopic-and-orthotopic-implantation-models-of-glioblastoma
#10
Wende Li, Yujiao Liu, Weining Yang, Xiaoxing Han, Sen Li, Hao Liu, Leo E Gerweck, Dai Fukumura, Jay S Loeffler, Burton B Yang, Rakesh K Jain, Peigen Huang
Glioblastoma multiforme (GBM) is the most common and highly malignant primary brain tumor, which is virtually incurable due to its therapeutic resistance to radiation and chemotherapy. To develop novel therapeutic approaches for treatment of GBM, we examined the role of miR-378 on tumor growth, angiogenesis, and radiation response in ectopic and orthotopic U87 glioblastoma models. Cell and tumor growth rates, in vitro and in vivo radiation sensitivities, and tumor vascular density were evaluated in U87-GFP and U87-miR-378 tumor lines...
October 28, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29069656/cyclosporine-a-induces-micrornas-controlling-innate-immunity-during-renal-bacterial-infection
#11
Malick Sadio, Emilie Tourneur, Marcelle Bens, Jean-Michel Goujon, Alain Vandewalle, Cécilia Chassin
Urinary tract infections (UTIs) mainly due to uropathogenic Escherichia coli (UPEC) are one of the most frequent complications in kidney-transplanted patients, causing significant morbidity. However, the mechanisms underlying UTI in renal grafts remain poorly understood. Here, we analysed the effects of the potent immunosuppressive agent cyclosporine A (CsA) on the activation of collecting duct cells that represent a preferential site of adhesion and translocation for UPEC. CsA induced the inhibition of lipopolysaccharide- induced activation of collecting duct cells due to the downregulation of the expression of TLR4 via the microRNA Let-7i...
October 26, 2017: Journal of Innate Immunity
https://www.readbyqxmd.com/read/29061957/negative-correlation-between-hepatitis-c-virus-hcv-and-let-7-microrna-family-in-transplanted-livers-the-role-of-rs868-single-nucleotide-polymorphism
#12
Emir Ahmed Sajjad, Marek Radkowski, Agnieszka Perkowska-Ptasińska, Marek Pacholczyk, Magdalena Durlik, Mikołaj Fedorowicz, Renata Pietrzak, Bogna Ziarkiewicz-Wróblewska, Paweł Włodarski, Jacek Malejczyk
BACKGROUND Genetic alterations of TGF-β pathway members, including its transmembrane receptor, TGFBR1, may influence the course of HCV infection. Rs868 is a single-nucleotide polymorphism of the 3'UTR region of TGFBR1, located in a binding site for the conserved let-7/miR98 microRNA family. Previously, we demonstrated a favorable course of hepatitis C recurrence after liver transplantation in rs868 AG genotype of the transplanted liver when compared to rs868 AA. The aim of the present study was to confirm the biological effect of rs868...
October 24, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29057541/transplantation-of-adipose-tissue-derived-stem-cell-derived-exosomes-ameliorates-erectile-function-in-diabetic-rats
#13
L L Zhu, X Huang, W Yu, H Chen, Y Chen, Y T Dai
Mesenchymal stem cells (MSCs) have been considered as an attractive tool for the therapy of diseases. Accumulating evidence indicates that the healing effects of MSCs are mainly related to paracrine action rather than transdifferentiation. Exosomes excreted from MSCs have emerged as physiologically relevant and powerful components of the MSC secretome. However, whether MSC-derived exosomes can improve erectile function of streptozotocin-induced diabetic rats and its mechanism remains unknown. Our previous work showed that adipose tissue-derived stem cells (ADSCs) transplantation could increase endothelial and smooth muscle contents and improve erectile function of diabetic rats...
October 23, 2017: Andrologia
https://www.readbyqxmd.com/read/29048642/the-epigenetic-effect-of-microrna-in-bcr-abl1%C3%A2-positive-microvesicles-during-the-transformation-of-normal-hematopoietic-transplants
#14
Na Shen, Lin Jiang, Qing Li, Jieke Cui, Shu Zhou, Fanjun Cheng, Zhaodong Zhong, Li Meng, Yong You, Xiaojian Zhu, Ping Zou
Epigenetics have been demonstrated to play a pivotal role in the progression of multiple cancers. Our previous study has demonstrated that microvesicles (MVs) derived from K562 cells could malignantly transform normal hematopoietic cells. The aim of this section was to elucidate the epigenetic effects of RNA in K562-MVs. We altered some epigenetic RNAs (miR-106a-5p, miR-106b-5p and lincPOU3F3) in K562-MVs and followed the process of transformation. Global DNA methylation and DNA methyltransferase (DNMT) levels were observed respectively...
September 19, 2017: Oncology Reports
https://www.readbyqxmd.com/read/29042291/micrornas-as-biomarkers-for-liver-injury-current-knowledge-challenges-and-future-prospects
#15
REVIEW
Haixia Lin, Laura E Ewing, Igor Koturbash, Bill J Gurley, Isabelle R Miousse
MicroRNAs (miRNAs) are short regulatory RNAs that are involved in various biological processes that regulate gene expression posttranscriptionally. Changes in miRNA expression can be detected in many physiological and pathological events, such as liver injury. Drug induced liver injury is a life threatening condition that frequently requires organ transplantation. Hepatotoxicity is also one of the major causes of drug failure in clinical trials and of drug withdrawal from the market. The profiling of miRNA expression shows great promise in monitoring liver injury, in the prediction of outcome in patients, and in the identification of liver-reactive compounds in toxicological assessment...
October 16, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29039465/essential-role-of-microrna-650-in-the-regulation-of-b-cell-cll-lymphoma-11b-gene-expression-following-transplantation-a-novel-mechanism-behind-the-acute-rejection-of-renal-allografts
#16
Peng Jin, Hongxi Chen, Jinliang Xie, Cheng Zhou, Xiangrong Zhu
Kidney transplantation is an effective final therapeutic procedure for patients with end-stage kidney failure. Although advanced immunosuppressive therapy is administered following transplantation, certain patients still suffer from acute allograft rejection. MicroRNAs (miRs) have a potential diagnostic and therapeutic value for acute renal allograft rejection; however, their underlying mechanism of action is largely unknown. In the present study, an increased level of miR-650 was identified to be associated with the downregulation of B-cell CLL/lymphoma 11B (BCL11B) expression in acute renal allograft rejection...
October 17, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29030720/molecular-diagnostic-testing-in-cardiac-transplantation
#17
REVIEW
Kiran Khush, Shirin Zarafshar
PURPOSE OF REVIEW: Acute rejection is one of the most feared complications of cardiac transplantation. Developing non-invasive methods for detection and surveillance of acute rejection have long been a goal for post-transplant care. RECENT FINDINGS: Here, we will review molecular diagnostic tests that are currently in use or under development to diagnose acute cellular rejection after cardiac transplantation. Gene expression, microRNA, molecular microscope, and cell-free DNA assays offer non-invasive alternatives to the endomyocardial biopsy for acute rejection surveillance...
October 13, 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28988828/epigenetics-and-cardiovascular-regenerative-medicine-in-the-elderly
#18
REVIEW
Sarah Costantino, Giovanni G Camici, Shafeeq Ahmed Mohammed, Massimo Volpe, Thomas F Lüscher, Francesco Paneni
Cardiovascular disease (CVD) is a recognized age-dependent condition whose incidence is set to increase due to the gradual aging of the population. Moreover, ischemic cardiovascular diseases (i.e. stroke, myocardial infarction, critical limb ischemia) requiring blood vessel growth are associated with a worse outcome in elderly patients. Therefore, understanding the molecular cues regulating the vascular repair process is of paramount importance to prevent undesirable cardiovascular complications in this setting...
September 27, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28978085/suppression-of-microrna-384-enhances-autophagy-of-airway-smooth-muscle-cells-in-asthmatic-mouse
#19
Zhe Cheng, Xi Wang, Lingling Dai, Liuqun Jia, Xiaogang Jing, Ying Liu, Huan Wang, Pengfei Li, Lin An, Meng Liu
Injury to airway smooth muscle (ASM) cells hallmarks the pathological progression of asthma, a chronic inflammatory airway disease. MicroRNAs (miRNAs) play essential roles in the development of asthma as well as airway remodeling. Here we studied the involvement of miRNAs in the regulation of autophagic survival of ASM cells and airway disorder. We analyzed autophagy-associated factors LC3 and Beclin-1 by RT-qPCR and protein blotting in purified airway smooth muscle cells from ovalbumin (OVA)-induced asthmatic mice...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28967703/mir-155-induces-ros-generation-through-downregulation-of-antioxidation-related-genes-in-mesenchymal-stem-cells
#20
Yuta Onodera, Takeshi Teramura, Toshiyuki Takehara, Kayoko Obora, Tatsufumi Mori, Kanji Fukuda
Inflammation-induced reactive oxygen species (ROS) are implicated in cellular dysfunction and an important trigger for aging- or disease-related tissue degeneration. Inflammation-induced ROS in stem cells lead to deterioration of their properties, altering tissue renewal or regeneration. Pathological ROS generation can be induced by multiple steps, and dysfunction of antioxidant systems is a major cause. The identification of the central molecule mediating the above-mentioned processes would pave the way for the development of novel therapeutics for aging, aging-related diseases, or stem cell therapies...
December 2017: Aging Cell
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