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miR-181a

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https://www.readbyqxmd.com/read/28597963/mir-181a-and-mir-150-regulate-dendritic-cell-immune-inflammatory-responses-and-cardiomyocyte-apoptosis-via-targeting-jak1-stat1-c-fos-pathway
#1
Jianbing Zhu, Kang Yao, Junjie Guo, Hongtao Shi, Leilei Ma, Qian Wang, Haibo Liu, Wei Gao, Aijun Sun, Yunzeng Zou, Junbo Ge
The immune inflammatory response plays a crucial role in many cardiac pathophysiological processes, including ischaemic cardiac injury and the post-infarction repair process. MicroRNAs (miRNAs) regulate the development and function of dendritic cells (DCs), which are key players in the initiation and regulation of immune responses; however, the underlying regulatory mechanisms remain unclear. Here, we used the supernatants of necrotic primary cardiomyocytes (Necrotic-S) to mimic the myocardial infarction (MI) microenvironment to investigate the role of miRNAs in the regulation of DC-mediated inflammatory responses...
June 9, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28590924/analysis-of-mirna-expression-profile-induced-by-short-term-starvation-in-breast-cancer-cells-treated-with-doxorubicin
#2
Sergio Rizzo, Antonina Cangemi, Antonio Galvano, Daniele Fanale, Silvio Buscemi, Marcello Ciaccio, Antonio Russo, Sergio Castorina, Viviana Bazan
Recent studies showed that dietary approaches restricting food intake can be helpful to hinder tumor progression. To date, the molecular mechanisms are unclear and a key role seems to be exerted by nutrient-related signaling pathways. Since several evidences showed that non-coding small RNAs, including microRNAs, are correlated to cancer progression and antiblastic treatment response, our work aims to study their involvement in a triple negative breast cancer (TNBC) cell line treated with doxorubicin under Short Term Starvation (STS) condition...
May 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28543721/long-non-coding-rna-malat1-regulates-zeb1-expression-by-sponging-mir-143-3p-and-promotes-hepatocellular-carcinoma-progression
#3
Lisha Chen, Hongbing Yao, Kai Wang, Xiangfeng Liu
BACKGROUND: Hepatocellular carcinoma (HCC) is one of the most common malignancies. Long non-coding RNAs (lncRNAs) are involved in HCC. This study aimed to explore the effects of lncRNA MALAT1 on HCC development. METHODS: MALAT1, ZEB1 and miR-143-3p in HCC tissues was detected by qRT-PCR. Effect of MALAT1 on the proliferation and metastasis of HCC cells was estimated by cell-counting, wound-healing and transwell assays. Luciferase reporter assays were used to explore miR-143-3p's target, ZEB1...
May 23, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28535543/microrna-181a-5p-impedes-il-17-induced-nonsmall-cell-lung-cancer-proliferation-and-migration-through-targeting-vcam-1
#4
Yang Cao, Dan Zhao, Ping Li, Lanrong Wang, Bingli Qiao, Xiaoyan Qin, Lei Li, Yang Wang
AIM: The contribution of the inflammatory mediator interleukin-17 (IL-17) in nonsmall cell lung cancer (NSCLC) malignancy has been reported in the literature. MicroRNA-181a-5p (miR-181a-5p) acts as a tumor suppressor which can regulate target gene at the posttranscriptional level. Our study aimed to investigate the interaction between IL-17 and miR-181a-5p in NSCLC. METHODS: 35 patients with NSCLC and 24 COPD controls were selected and examined in our study. In vitro, H226 and H460 cell lines were exposed to different doses (20, 40, 60, and 80 ng/mL) of IL-17 to examine the effect of IL-17 on miR-181a-5p and vascular cell adhesion molecule 1 (VCAM-1) expression...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28526870/time-course-responses-of-circulating-micrornas-to-three-resistance-training-protocols-in-healthy-young-men
#5
Shufang Cui, Biao Sun, Xin Yin, Xia Guo, Dingming Chao, Chunni Zhang, Chen-Yu Zhang, Xi Chen, Jizheng Ma
Circulating microRNAs (c-miRNAs) in human plasma have been described as a potential marker of exercise. The present study investigated the effects of three acute resistance training (RT) protocols on the time-course changes of the c-miRNAs profiles in young males. The subjects (n = 45) were randomly divided into three groups: muscular strength endurance (SE), muscular hypertrophy (MH) and maximum strength (MS). Venous blood samples were obtained before exercise and immediately, 1 h and 24 h after each RT protocol to assess the following biological parameters: c-miRNAs, anabolic and catabolic hormones, inflammatory cytokines and muscle damage markers...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522364/inhibition-of-mir-181a-protects-female-mice-from-transient-focal-cerebral-ischemia-by-targeting-astrocyte-estrogen-receptor-%C3%AE
#6
Creed M Stary, Lijun Xu, Le Li, Xiaoyun Sun, Yi-Bing Ouyang, Xiaoxing Xiong, Jing Zhao, Rona G Giffard
Whether the effect of miR-181a is sexually dimorphic in stroke is unknown. Prior work showed protection of male mice with miR-181a inhibition. Estrogen receptor-α (ERα) is an identified target of miR181 in endometrium. Therefore we investigated the separate and joint effects of miR-181a inhibition and 17β-estradiol (E2) replacement after ovariectomy. Adult female mice were ovariectomized and implanted with an E2- or vehicle-containing capsule for 14d prior to 1h middle cerebral artery occlusion (MCAO). Each group received either miR-181a antagomir or mismatch control by intracerebroventricular injection 24h before MCAO...
May 15, 2017: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/28486694/differential-microrna-expression-in-cultured-palatal-fibroblasts-from-infants-with-cleft-palate-and-controls
#7
Christian Schoen, Jeffrey C Glennon, Shaghayegh Abghari, Marjon Bloemen, Armaz Aschrafi, Carine E L Carels, Johannes W Von den Hoff
Background: The role of microRNAs (miRNAs) in animal models of palatogenesis has been shown, but only limited research has been carried out in humans. To date, no miRNA expression study on tissues or cells from cleft palate patients has been published. We compared miRNA expression in palatal fibroblasts from cleft palate patients and age-matched controls. Material and Methods: Cultured palatal fibroblasts from 10 non-syndromic cleft lip and palate patients (nsCLP; mean age: 18 ± 2 months), 5 non-syndromic cleft palate only patients (nsCPO; mean age: 17 ± 2 months), and 10 controls (mean age: 24 ± 5 months) were analysed with next-generation small RNA sequencing...
May 9, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28485104/microrna-181a-promotes-docetaxel-resistance-in-prostate-cancer-cells
#8
Cameron M Armstrong, Chengfei Liu, Wei Lou, Alan P Lombard, Christopher P Evans, Allen C Gao
BACKGROUND: Docetaxel is one of the primary drugs used for treating castration resistant prostate cancer (CRPC). Unfortunately, over time patients invariably develop resistance to docetaxel therapy and their disease will continue to progress. The mechanisms by which resistance develops are still incompletely understood. This study seeks to determine the involvement of miRNAs, specifically miR-181a, in docetaxel resistance in CRPC. METHODS: Real-time PCR was used to measure miR-181a expression in parental and docetaxel resistant C4-2B and DU145 cells (TaxR and DU145-DTXR)...
June 2017: Prostate
https://www.readbyqxmd.com/read/28483594/differences-in-the-microrna-profiles-of-subcutaneous-adipose-derived-stem-cells-and-omental-adipose-derived-stem-cells
#9
Feihu Hu, Peng Xu, Bo Sun, Zhongdang Xiao
Adipose-derived stem cells (ASCs) isolated from subcutaneous (SC) and omentum (O) share similar characteristics, but the differences in their microRNA profiles are mostly unknown. In this study, besides significant differences in cell morphology and the differentiation ability of the two types of ASCs, the microRNA expression profiles of the cell lines were determined using SOLiD next-generation sequencing. The in-depth analysis found that miR-214, miR-222, miR-181a, miR-26a and miR-23/27/24 clusters and miR-375 act as "markers" to distinguish the different fat deposit-derived ASCs...
August 20, 2017: Gene
https://www.readbyqxmd.com/read/28467969/analysis-of-bos-taurus-and-sus-scrofa-x-and-y-chromosome-transcriptome-highlights-reproductive-driver-genes
#10
Faheem Ahmed Khan, Hui Liu, Hao Zhou, Kai Wang, Muhammad Tahir Ul Qamar, Nuruliarizki Shinta Pandupuspitasari, Zhang Shujun
The biology of sperm, its capability of fertilizing an egg and its role in sex ratio are the major biological questions in reproductive biology. To answer these question we integrated X and Y chromosome transcriptome across different species: Bos taurus and Sus scrofa and identified reproductive driver genes based on Weighted Gene Co-Expression Network Analysis (WGCNA) algorithm. Our strategy resulted in 11007 and 10445 unique genes consisting of 9 and 11 reproductive modules in Bos taurus and Sus scrofa, respectively...
April 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28463034/altered-mirna-expression-in-aniline-mediated-cell-cycle-progression-in-rat-spleen
#11
Gangduo Wang, Jianling Wang, M Firoze Khan
Aniline exposure is associated with toxicity to the spleen, however, early molecular events in aniline-induced cell cycle progression in the spleen remain unknown. MicroRNAs (miRNAs) have been implicated in tumor development by modulating key cell cycle regulators and controlling cell proliferation. This study was, therefore, undertaken on the expression of miRNAs, regulation of cyclins and cyclin-dependent kinases (CDKs) in an experimental condition that precedes a tumorigenic response. Male SD rats were treated with aniline (1 mmol/kg/day by gavage) for 7 days, and expression of miRNAs, cyclins and CDKs in rat spleens were analyzed...
June 6, 2017: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/28447759/mir-181a-modulates-proliferation-migration-and-autophagy-in-ags-gastric-cancer-cells-and-downregulates-mtmr3
#12
Yong Lin, Jing Zhao, Hong Wang, Jie Cao, Yuqiang Nie
MicroRNAs (miRs) have emerged as crucial regulators of tumorigenesis by regulating post-transcriptional gene expression. miR-181a was previously demonstrated to be overexpressed in human gastric cancer tissues and cell lines, whereas MTMR3 was underexpressed. The MTMR3 gene was identified as a direct target of miR-181a. However, its functional role in gastric cancer remains to be established. In the present study, miR‑181a was demonstrated to inhibit MTMR3 expression in AGS cells. Ectopic expression of miR‑181a mimics or introduction of MTMR3 small interfering RNA resulted in an increase in cell proliferation, colony formation, migration, invasion, as well as suppression of apoptosis...
May 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28435518/sparc-overexpression-alters-microrna-expression-profiles-involved-in-tumor-progression
#13
Bhavesh K Ahir, Nasya M Elias, Sajani S Lakka
Medulloblastoma is the most common malignant brain tumor in children. SPARC (secreted protein acidic and rich in cysteine), a multicellular non-structural glycoprotein is known to be involved in multiple processes in various cancers. Previously, we reported that SPARC expression significantly impairs medulloblastoma tumor growth in vitro and in vivo and also alters chemo sensitivity. MicroRNAs are a class of post-transcriptional gene regulators with critical functions in tumor progression. In addition, microRNA (miRNA) expression changes are also involved in chemo-resistance...
January 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28404930/microrna-regulation-of-progesterone-receptor-in-breast-cancer
#14
Avital Gilam, Ayelet Shai, Itamar Ashkenazi, Liat Appel Sarid, Assi Drobot, Amitai Bickel, Noam Shomron
Hormone receptor status is of significant value when deciding on anti-estrogenic adjuvant therapy for breast cancer tumors. However, while estrogen receptor (ER) regulation was intensively studied, the regulation of progesterone receptor (PR) levels has not been extensively investigated. MicroRNAs (miRNAs, miRs) are post-transcriptional negative regulators of gene expression involved in diverse cellular processes. The aim of this study was to identify miRNAs that regulate PR in breast cancer.We mapped potential miRNA binding sites for miR-181a, miR-23a and miR-26b on PR mRNA and demonstrated a direct regulation of PR by these three miRNAs by in-vitro Luciferase binding assays...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28392786/expression-of-serum-micrornas-is-altered-during-acute-graft-versus-host-disease
#15
Rachel E Crossland, Jean Norden, Mateja Kralj Juric, Kile Green, Kim F Pearce, Clare Lendrem, Hildegard T Greinix, Anne M Dickinson
Acute graft-versus-host disease (aGvHD) is the most frequent and serious complication following hematopoietic stem cell transplantation (HSCT), with a high mortality rate. A clearer understanding of the molecular pathogenesis may allow for improved therapeutic options or guide personalized prophylactic protocols. Circulating microRNAs are expressed in body fluids and have recently been associated with the etiology of aGvHD, but global expression profiling in a HSCT setting is lacking. This study profiled expression of n = 799 mature microRNAs in patient serum, using the NanoString platform, to identify microRNAs that showed altered expression at aGvHD diagnosis...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28389242/upregulation-of-mir-181a-suppresses-the-formation-of-glioblastoma-stem-cells-by-targeting-the-notch2-oncogene-and-correlates-with-good-prognosis-in-patients-with-glioblastoma-multiforme
#16
Shi-Xiong Huang, Zhong-Yan Zhao, Guo-Hu Weng, Xiang-Ying He, Chan-Ji Wu, Chuan-Yi Fu, Zhi-Yan Sui, Yu-Shui Ma, Tao Liu
Glioblastoma stem-like cells (GSCs) are responsible for the initiation and progression of glioblastoma multiforme (GBM), and microRNAs (miRNAs) play an important role in this disease. However, the mechanisms underlying the role of miRNAs in the stemness of GSCs have not been completely elucidated. We previously showed that miR-181a is downregulated in GBM and may predict prognosis in patients with this disease. Here, we demonstrate that the upregulation of miR-181a suppressed GSC formation and inhibited GBM tumorigenesis by targeting the Notch2 oncogene...
May 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28388883/long-non-coding-rna-xist-regulates-pten-expression-by-sponging-mir-181a-and-promotes-hepatocellular-carcinoma-progression
#17
Shuzhen Chang, Binhe Chen, Xiaoyan Wang, Keqin Wu, Yuqiu Sun
BACKGROUND: Tumor metastasis often occurs in hepatocellular carcinoma (HCC) and influences the patient's prognosis, and microRNAs are reported to play key roles in tumor metastasis. This study was conducted to explore the effect of microRNAs on HCC metastasis. METHODS: The levels of miR-181a in HCC tissues, adjacent tissues, metastatic HCC tissues, and non-metastatic HCC tissues at different stages were determined by qRT-PCR. Effect of miR-181a on the proliferation, invasion, and metastasis of HCC cells was estimated by cell counting kits-8 (CCK-8), wound-healing, and Transwell assays...
April 7, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28365714/microrna-181a-regulates-apoptosis-and-autophagy-process-in-parkinson-s-disease-by-inhibiting-p38-mitogen-activated-protein-kinase-mapk-c-jun-n-terminal-kinases-jnk-signaling-pathways
#18
Ying Liu, Yanfeng Song, Xiaotun Zhu
BACKGROUND microRNA (miR)-181a has been reported to be downregulated in Parkinson's disease (PD), but the regulatory mechanism of miR-181a on neuron apoptosis and autophagy is still poorly understood. We aimed to investigate the neuroprotective effects of miR-181a on PD in vitro. MATERIAL AND METHODS Human SK-N-SH neuroblastoma cells were incubated with different concentrations of 1-methyl-4-phenylpyridinium ion (MPP+) to induce the PD model. The expression of miR-181a was then analyzed. After transfection with miR-181a mimic or scramble following MPP+ treatment, the expression of autophagy protein markers (LC3II, LC3I, and Beclin 1) and p38 mitogen-activated protein kinase (MAPK)/c-Jun N-terminal kinases (JNK) signaling proteins (p-p38, p38, p-JNK, and JNK) and cell apoptosis were detected...
April 2, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28358263/lncrna-ccat1-modulates-the-sensitivity-of-paclitaxel-in-nasopharynx-cancers-cells-via-mir-181a-cpeb2-axis
#19
Qiaosu Wang, Wenjing Zhang, Shaojuan Hao
Recent studies reported that long non-coding RNA (lncRNA) might play critical roles in regulating chemo-resistant of multiple types of cancer. This study aimed to investigate whether long non-coding RNA CCAT1 was involved in Paclitaxel resistance in nasopharyngeal carcinoma (NPC). qRT-PCR was used for testing the expression of CCAT1, miR-181a and CPEB2 in tumor tissues and NPC cancers. NPC cells were transfected with siRNAs to suppress the mRNA level of CCAT1 in NPC cells. MTT assays and flow cytometry analysis were used to assess the sensitivity of paclitaxel in NPC cells...
April 18, 2017: Cell Cycle
https://www.readbyqxmd.com/read/28326190/malat1-regulates-myogenic-differentiation-and-muscle-regeneration-through-modulating-myod-transcriptional-activity
#20
Xiaona Chen, Liangqiang He, Yu Zhao, Yuying Li, Suyang Zhang, Kun Sun, Karl So, Fengyuan Chen, Liang Zhou, Leina Lu, Lijun Wang, Xihua Zhu, Xichen Bao, Miguel A Esteban, Shinichi Nakagawa, Kannanganattu V Prasanth, Zhenguo Wu, Hao Sun, Huating Wang
Malat1 is one of the most abundant long non-coding RNAs in various cell types; its exact cellular function is still a matter of intense investigation. In this study we characterized the function of Malat1 in skeletal muscle cells and muscle regeneration. Utilizing both in vitro and in vivo assays, we demonstrate that Malat1 has a role in regulating gene expression during myogenic differentiation of myoblast cells. Specifically, we found that knockdown of Malat1 accelerates the myogenic differentiation in cultured cells...
2017: Cell Discovery
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