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https://www.readbyqxmd.com/read/28317871/insights-into-molecular-therapy-of-glioma-current-challenges-and-next-generation-blueprint
#1
REVIEW
Y Rajesh, Ipsita Pal, Payel Banik, Sandipan Chakraborty, Sachin A Borkar, Goutam Dey, Ahona Mukherjee, Mahitosh Mandal
Glioma accounts for the majority of human brain tumors. With prevailing treatment regimens, the patients have poor survival rates. In spite of current development in mainstream glioma therapy, a cure for glioma appears to be out of reach. The infiltrative nature of glioma and acquired resistance substancially restrict the therapeutic options. Better elucidation of the complicated pathobiology of glioma and proteogenomic characterization might eventually open novel avenues for the design of more sophisticated and effective combination regimens...
March 20, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28303346/high-throughput-sequencing-identifies-hiv-1-replication-and-latency-related-mirnas-in-cd4-t-cell-lines
#2
Xiangyun Lu, Jin Yang, Haibo Wu, Zongxing Yang, Changzhong Jin, Juan Wang, Linfang Cheng, Xiaorong Peng, Fumin Liu, Xiuming Peng, Sujing Ji, Huilin Ou, Tiansheng Xie, Hangping Yao, Nanping Wu
MicroRNAs are potent gene expression regulators involved in regulating various biological processes, including host-pathogen interactions. In this study, we used high-throughput sequencing to investigate cellular miRNA signatures related to HIV-1 replication and latent infection in CD4(+) T cell lines, which included HIV-1-replicating H9/HTLV-IIIB, HIV-1-latently-infected CEM-Bru cells, and their parental uninfected H9 and CEM-SS cells. Relatively few miRNAs were found to be modulated by HIV-1 replication or latent infection, while the cell-lineage-specific miRNA difference was more pronounced, irrespective of HIV-1 infection...
March 16, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28303124/identification-and-characterization-of-mirnas-in-response-to-leishmania-donovani-infection-delineation-of-their-roles-in-macrophage-dysfunction
#3
Neeraj Tiwari, Vinod Kumar, Mallikarjuna Rao Gedda, Ashish K Singh, Vijay K Singh, Sreenivas Gannavaram, Surya P Singh, Rakesh K Singh
The outcome of Leishmania infection depends on parasite abilities to evade host immune response and its survival in hostile environment of host macrophages. Despite a wealth of gained crucial information, parasite strategies by which it dampens host macrophage functions remain poorly understood. Micro RNAs (miRNAs) are evolutionarily conserved class of endogenous 22-nucleotide small non-coding RNA gene products, described to participate in the regulation of almost every cellular process investigated so far...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28302134/microrna-142-regulates-inflammation-and-t-cell-differentiation-in-an-animal-model-of-multiple-sclerosis
#4
Farideh Talebi, Samira Ghorbani, Wing Fuk Chan, Roobina Boghozian, Farimah Masoumi, Sedigheh Ghasemi, Mohammed Vojgani, Christopher Power, Farshid Noorbakhsh
BACKGROUND: MicroRNAs have emerged as an important class of modulators of gene expression. These molecules influence protein synthesis through translational repression or degradation of mRNA transcripts. Herein, we investigated the potential role of miR-142a isoforms, miR-142a-3p and miR-142a-5p, in the context of autoimmune neuroinflammation. METHODS: The expression levels of two mature isoforms of miR-142 were measured in the brains of patients with multiple sclerosis (MS) and the CNS tissues from mice with experimental autoimmune encephalomyelitis (EAE), an animal model of MS...
March 16, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28292468/microrna-34a-targets-regulator-of-calcineurin-1-to-modulate-endothelial-inflammation-after-fetal-cardiac-bypass-in-goat-placenta
#5
Hai-Yun Yuan, Cheng-Bin Zhou, Ji-Mei Chen, Xiao-Bing Liu, Shu-Sheng Wen, Gang Xu, Jian Zhuang
INTRODUCTION: Placental dysfunction characterized by vascular endothelial inflammation is one of the most notable responses to fetal cardiac bypass. Regulator of calcineurin 1 (RCAN1) is an important regulator of inflammatory responses. MicroRNAs (miRNAs) are essential post-transcriptional modulators of gene expression, and miRNA-34a (miR-34a) was showed to activate vascular endothelial inflammation. We hypothesized that miR-34a may be a key regulator of placental dysfunction after fetal cardiac bypass...
March 2017: Placenta
https://www.readbyqxmd.com/read/28292330/microrna-expression-profiles-in-human-cd3-t-cells-following-stimulation-with-anti-human-cd3-antibodies
#6
Isabel Garcia Sousa, Manuela Maragno do Almo, Kelly Cristina Rodrigues Simi, Maryani Andressa Gomes Bezerra, Rosângela Vieira Andrade, Andréa Queiroz Maranhão, Marcelo Macedo Brigido
BACKGROUND: Anti-CD3 therapy can induce immunosuppression by several non mutually exclusive mechanisms that have been proposed to explain the therapeutic effect the administration anti-CD3 mAb, but its immunoregulatory mechanism is still not completely clear. In T cells, microRNAs (miRNAs) regulate several pathways, including those associated with immune tolerance. Here, we report changes in miRNA expression in T cells following treatment with anti-human CD3 antibodies. Peripheral blood mononuclear cells were cultured in the presence of the monoclonal antibody OKT3 or a recombinant fragment of humanized anti-CD3...
March 14, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28280736/microrna-related-polymorphisms-in-pi3k-akt-mtor-pathway-genes-are-predictive-of-limited-disease-small-cell-lung-cancer-treatment-outcomes
#7
Wei Jiang, Wenjue Zhang, Lihong Wu, Lipin Liu, Yu Men, Jingbo Wang, Jun Liang, Zhouguang Hui, Zongmei Zhou, Nan Bi, Luhua Wang
The phosphoinositide-3 kinase (PI3K)/Akt/mammalian target of rapamycin (mTOR) signaling pathway plays an important role in cancer progression and treatment, including that of small cell lung cancer (SCLC), a disease with traditionally poor prognosis. Given the regulatory role of microRNA (miRNA) in gene expression, we examined the association of single nucleotide polymorphisms (SNPs) at miRNA-binding sites of genes in the mTOR pathway with the prognosis of patients with limited-disease SCLC. A retrospective study was conducted of 146 patients with limited-disease SCLC treated with chemoradiotherapy...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28271982/hepatic-mir-301a-as-a-liver-transplant-rejection-biomarker-and-its-role-for-interleukin-6-production-in-hepatocytes
#8
Toshiaki Nakano, I-Hsuan Chen, Shigeru Goto, Chia-Yun Lai, Hui-Peng Tseng, Li-Wen Hsu, King-Wah Chiu, Chih-Che Lin, Chih-Chi Wang, Yu-Fan Cheng, Chao-Long Chen
Acute rejection (AR) of liver transplantation remains a formidable challenge for diagnostic medicine and biomarker discovery. We characterized AR-related microRNAs (miRNAs) and the underlying AR mechanisms in liver transplantation. Using a rat model of orthotopic liver transplantation (OLT) as well as microarrays, we compared the miRNA expression profiles between naive and AR livers on day 7 after OLT with short- (<14 days, donor Dark Agouti [DA] liver into Lewis [LEW] recipient) and long-term (>60 days, donor DA liver into Piebald Virol Glaxo [PVG] recipient) survival fates...
January 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28270089/tissue-elasticity-bridges-cancer-stem-cells-to-the-tumor-microenvironment-through-micrornas-implications-for-a-watch-and-wait-approach-to-cancer
#9
Shengwen Calvin Li, Long T Vu, Jane Jianying Luo, Jiang F Zhong, Zhongjun Li, Brent A Dethlefs, William G Loudon, Mustafa H Kabeer
Targeting the tumor microenvironment (TME) through which cancer stem cells (CSCs) crosstalk for cancer initiation and progression, may open up new treatments different from those centered on the original hallmarks of cancer genetics thereby implying a new approach for suppression of TME-driven activation of CSCs. Cancer is dynamic, heterogeneous, evolving with the TME and can be influenced by tissue-specific elasticity. One of the mediators and modulators of the crosstalk between CSCs and mechanical forces is miRNA, which can be developmentally regulated, tissue- and cell-specific...
March 6, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28265470/combination-of-interleukin-27-and-microrna-for-enhancing-expression-of-anti-inflammatory-and-proosteogenic-genes
#10
Manoel Figueiredo Neto, Marxa L Figueiredo
Remission of inflammation has become an achievable goal in inflammatory or rheumatoid arthritis (RA); however, bone erosion continues in many patients. Interleukin- (IL-) 27 regulates immune and bone cell balance and also suppresses activities of several inflammatory cell types in RA. Despite its promise, challenges to clinical translation of IL-27 have been its partial effects in vivo. Due to their ability to modulate plasticity of bone and immune cell differentiation, we examined the potential for several microRNA (miR) candidates in enhancing the effects of IL-27...
2017: Arthritis
https://www.readbyqxmd.com/read/28260104/mir-92a-promotes-tumor-growth-of-osteosarcoma-by-targeting-pten-akt-signaling-pathway
#11
Jie Xiao, Weifeng Yu, Kongzu Hu, Maoqiang Li, Jianwei Chen, Zhanchun Li
MicroRNAs (miRNAs) play critical roles in human cancers including osteosarcoma (OS). miR-92a has been found to be a cancer-related miRNA in many cancer types and it is upregulated in OS cell lines. However, the expression and biological function of miR-92a in OS have not been investigated. In this study, we showed that miR-92a expression was increased in OS tissues, and its high expression was correlated with clinical stage, T classification and histological differentiation. Furthermore, patients with high expression of miR-92a had a significantly poorer survival rate...
March 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260060/bioinformatics-analysis-on-the-differentiation-of-bone-mesenchymal-stem-cells-into-osteoblasts-and-adipocytes
#12
Xiaoyuan Xu, He Jiang, Xingnuan Li, Ping Wu, Jianyun Liu, Tao Wang, Xiaoou Zhou, Jianjun Xiong, Weidong Li
The present study aimed to screen several differentially expressed genes (DEGs) and differentially expressed microRNAs (miRNAs) for two types of mesenchymal stem cell (MSC) differentiation. Bone morphogenetic protein 6 (BMP‑6) and dexamethasone were used to induce MSCs towards osteoblastic differentiation or adipocytic differentiation. The t‑test in the Bioconductor bioinformatics software tool was used to screen DEGs and differentially expressed miRNAs in the two samples. Subsequent gene ontology (GO) and pathway analyses on the DEGs were performed using the GO and Kyoto Encyclopedia of Genes and Genomes databases, respectively; potential target genes for the screened miRNAs were predicted using the TargetScan database...
February 8, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28257976/the-pbx1-lupus-susceptibility-gene-regulates-cd44-expression
#13
Yuxin Niu, Mayami Sengupta, Anton A Titov, Seung-Chul Choi, Laurence Morel
PBX1-d is novel splice isoform of pre-B-cell leukemia homeobox 1 (PBX1) that lacks its DNA-binding and Hox-binding domains, and functions as a dominant negative. We have shown that PBX1-d expression in CD4(+) T cells is associated with systemic lupus erythematosus (SLE) in a mouse model as well as in human subjects. More specifically, PBX1-d expression leads to the production of autoreactive activated CD4+ T cells, a reduced frequency and function of Foxp3+ regulatory T (Treg) cells and an expansion of follicular helper T (Tfh) cells...
February 28, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28257633/mir-19a-promotes-colorectal-cancer-proliferation-and-migration-by-targeting-tia1
#14
Yanqing Liu, Rui Liu, Fei Yang, Rongjie Cheng, Xiaorui Chen, Shufang Cui, Yuanyuan Gu, Wu Sun, Chaoying You, Zhijian Liu, Feng Sun, Yanbo Wang, Zheng Fu, Chao Ye, Chenyu Zhang, Jing Li, Xi Chen
BACKGROUND: Colorectal cancer (CRC) is a major worldwide health problem due to its high prevalence and mortality rate. T-cell intracellular antigen 1 (TIA1) is an important tumor suppressor involved in many aspects of carcinogenesis and cancer development. How TIA1 expression is regulated during CRC development remains to be carefully elucidated. METHODS: In CRC tissue sample pairs, TIA1 protein and mRNA levels were monitored by Western blot and qRT-PCR, respectively...
March 4, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28255268/regulatory-axis-of-mir-195-497-and-hmga1-id3-governs-muscle-cell-proliferation-and-differentiation
#15
Huiling Qiu, Jiasheng Zhong, Lan Luo, Zhixiong Tang, Nian Liu, Kang Kang, Li Li, Deming Gou
Myocytes withdraw from the cell cycle to differentiate during muscle development. Given the capacity of microRNAs (miRNAs) to regulate gene expression during development, we screened for miRNAs that were associated with muscle development. S-Poly(T) Plus analysis of 273 miRNAs in porcine longissimus dorsi muscles revealed 14 miRNAs that were strongly upregulated with age of postnatal muscle development in vivo, including miR-195 and miR-497. These two miRNAs were also strongly upregulated at late differentiation stages of mouse skeletal myoblast C2C12 cells, and demethylation treatment induced significant upregulation of miR-195/497...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28253715/microrna-1285-inhibits-malignant-biological-behaviors-of-human-pancreatic-cancer-cells-by-negative-regulation-of-yap1
#16
H Huang, G Xiong, P Shen, Z Cao, L Zheng, T Zhang, Y Zhao
Pancreatic ductal adenocarcinoma is a most deadly malignancy, with a 5-year survival rate of ~7%. Chemotherapy is the main treatment strategy of this disease. However, the high rate of resistance to chemotherapeutic agent contributes to poor prognosis. MicroRNAs are essential for the initiation, progression and chemoresistance of human malignancies. Previous studies have shown that miRNA-1285 participates in renal cell carcinoma and hepatocellular carcinoma. However, its roles in pancreatic ductal adenocarcinoma are poorly understood...
March 3, 2017: Neoplasma
https://www.readbyqxmd.com/read/28251969/-methylation-of-the-genes-for-the-micrornas-mir-129-2-and-mir-9-1-changes-in-their-expression-and-activation-of-their-potential-target-genes-in-clear-cell-renal-cell-carcinoma
#17
I V Pronina, E A Klimov, A M Burdennyy, E V Beresneva, M V Fridman, V D Ermilova, T P Kazubskaya, A V Karpukhin, E A Braga, V I Loginov
Methylation of promoter CpG islands and microRNA (miRNA) interactions with mRNAs of target genes are epigenetic mechanisms that play a crucial role in deregulation of gene expression and signaling pathways in tumors. Altered expression of six chromosome 3p genes (RARB(2), SEMA3B, RHOA, GPX1, NKIRAS1, and CHL1) and two miRNA genes (MIR-129-2 and MIR-9-1) was observed in primary clear cell renal cell carcinomas (ccRCCs, 31-48 samples) by RT-PCR and qPCR. Significant downregulation (p < 0.05, Fisher's exact test) was observed for SEMA3B, NKIRAS1, and CHL1; and differential expression, for the other chromosome 3p and miRNA genes...
January 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28241722/-microrna-563-promotes-the-osteogenic-differentiation-of-posterior-longitudinal-ligament-cells-by-inhibiting-smurf1
#18
H Zhang, C Xu, Y Liu, W Yuan
Objective: To investigate the function and mechanism of miR-563 in regulating the ossification of posterior longitudinal ligament (OPLL) cells. Methods: Posterior longitudinal ligament cells were isolated and cultured from both OPLL patients (n=6) and non-ossified ligament patients (PLL, n=4) who underwent spine surgery from March to June 2015 in First Department of Spinal Surgery, Changzheng Hospital Affiliated to Second Military Medical University. The expression levels of miR-563 in OPLL and PLL groups were analyzed using real-time PCR...
March 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
https://www.readbyqxmd.com/read/28237095/renilla-luciferase-lc3-based-reporter-assay-for-measuring-autophagic-flux
#19
T Farkas, M Jäättelä
Macroautophagy (autophagy) is a dynamic intracellular degradation pathway. Monitoring the flux through the autophagy pathway is experimentally challenging but obviously a prerequisite for the proper investigation of the process. Here, we present an indirect autophagy flux assay based on monitoring the degradation of an autophagosome-associated fusion protein Rluc-LC3 by luminescence detection. The method is suitable for screening purposes with a high number of parallel samples and can be used for measurements in cell lysates as well as in living cells...
2017: Methods in Enzymology
https://www.readbyqxmd.com/read/28230826/modifying-effects-of-5-azacytidine-on-metal-containing-proteins-profile-in-guerin-carcinoma-with-different-sensitivity-to-cytostatics
#20
V F Chekhun, Y V Lozovska, L A Naleskina, T V Borikun, A P Burlaka, I N Todor, D V Demash, T M Yalovenko, T V Zadvornyi, A O Pavlova, D M Storchay, N Yu Lukianova
AIM: To assess the influence of the treatment with 5-azacytidine (5-aza) on the profile of metal-containing proteins and factors of their regulation in Guerin carcinoma cells in vivo. MATERIALS AND METHODS: The study was conducted on Wistar rats transplanted with wild-type Guerin carcinoma (Guerin/WT) and its strains resistant to cisplatin (Guerin/CP) or doxorubicin (Guerin/Dox). Animals were distributed in 6 groups treated with 5-aza and control animals without treatment...
December 2016: Experimental Oncology
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