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https://www.readbyqxmd.com/read/28743112/microrna-302b-3p-suppresses-cell-proliferation-through-akt-pathway-by-targeting-igf-1r-in-human-gastric-cancer
#1
Bo Guo, Zhenghao Zhao, Zhen Wang, Qian Li, Xiaofei Wang, Wenjing Wang, Tusheng Song, Che Huang
BACKGROUND/AIMS: MiR-302b is a major microRNA found in human embryonic stem cells and induced pluripotent stem cells. However, its function in gastric cancer progression remains unclear. METHODS: Quantitative reverse transcription-PCR was performed to detect the expression levels of miR-302b-3p in gastric cancer tissues. MTT, colony formation, and flow cytometer analyses were conducted to explore the function of miR-302b-3p in MKN-45/SGC-7901 cells. A dual-luciferase reporter was used to validate the bioinformatics-predicted target gene of miR-302b-3p...
July 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28742860/prognostic-significance-of-microrna-101-in-solid-tumor-a-meta-analysis
#2
Xianxiong Ma, Jie Bai, Gengchen Xie, Yulin Liu, Xiaoming Shuai, Kaixiong Tao
MicroRNA-101 has been reported as an important factor in carcinogenesis of several malignant tumors. However, its actual role in prognosis among solid malignancies remains unclear. Accordingly, we performed this meta-analysis aiming to identify prognostic significance of miR-101 in solid tumor. Pooled hazard ratios (HRs) with 95% confidence intervals (CIs) for overall survival (OS) or disease-free survival (DFS)/metastasis-free survival (MFS)/progression-free survival (PFS)/relapse-free survival (RFS)/time-to progression (TTP) were estimated with random effects or fixed effects models on the basis of heterogeneity...
2017: PloS One
https://www.readbyqxmd.com/read/28742784/treatment-and-complications-of-patients-with-ipsilateral-acetabular-and-femur-fractures-a-multicenter-retrospective-analysis
#3
Justin M Hire, Preston J Boyer, Heidi Israel, Lisa K Cannada, Hassan Mir, Jason Halvorson, Gregory J Della Rocca, Bryan Ming, Brian Mullis, Chetan Deshpande
OBJECTIVES: The purpose of this study was to review the treatment of ipsilateral acetabular and femur fracture patients to provide descriptive demographic data, injury pattern classification, treatment and evaluate the complication profile reflective of current practices. STUDY DESIGN: Multicenter retrospective cohort. SETTING: Eight Level 1 Trauma Centers. PATIENTS/PARTICIPANTS: 101 patients met inclusion criteria. INTERVENTION: Surgical treatment of both the acetabular and femur fracture...
July 24, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28742699/understanding-and-resetting-radiation-sensitivity-in-rectal-cancer
#4
Katherine A Kelley, Rebecca A Ruhl, Shushan R Rana, Elizabeth Dewey, Cristina Espinosa, Charles R Thomas, Robert G Martindale, Sudarshan Anand, Vassiliki L Tsikitis
OBJECTIVE: The aim of the study was to explore specific microRNAs (miRs) in rectal cancer that would predict response to radiation and identify target pathways that may be exploited for neoadjuvant therapies. SUMMARY BACKGROUND DATA: Chemoradiotherapy (CRT) response is a predictor of survival in rectal cancer. Studies have demonstrated changes in RNA expression correlate with chemoradiation sensitivity across cancers. METHODS: Forty-five rectal cancer patients, partial responders (PR = 18), nonresponders (NR = 13), and complete responders (CR = 14) to CRT, as defined by a tumor regression score, were examined...
July 24, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28742513/kallistatin-double-edged-role-in-angiogenesis-apoptosis-and-oxidative-stress
#5
Julie Chao, Pengfei Li, Lee Chao
Kallistatin via its two structural elements - an active site and a heparin-binding domain - displays double-edged function in angiogenesis, apoptosis and oxidative stress. First, kallistatin has both anti-angiogenic and pro-angiogenic effects. Kallistatin treatment attenuates angiogenesis and tumor growth in cancer-bearing mice. Kallistatin via its heparinbinding site inhibits angiogenesis by blocking vascular endothelial growth factor (VEGF)- induced growth, migration and adhesion of endothelial cells. Conversely, kallistatin via the active site promotes neovascularization by stimulating VEGF levels in endothelial progenitor cells...
July 26, 2017: Biological Chemistry
https://www.readbyqxmd.com/read/28742402/association-of-il-10-regulating-micrornas-in-peripheral-blood-mononuclear-cells-with-the-pathogenesis-of-autoimmune-thyroid-disease
#6
Yukina Takuse, Mikio Watanabe, Naoya Inoue, Ritsuko Ozaki, Hiroshi Ohtsu, Minori Saeki, Yuka Katsumata, Yoh Hidaka, Yoshinori Iwatani
Interleukin (IL)-10 is known to suppress inflammation in autoimmune diseases. IL-10 can be regulated by miRNAs. To elucidate the involvement of miRNAs that regulate IL-10 expression with the pathogenesis of autoimmune thyroid disease (AITD), we examined the expression levels of hsa-miR-27a-3p, hsa-miR-98-5p, hsa-miR-106a-5p, and hsa-miR-223-3p in peripheral blood mononuclear cells (PBMCs) from 43 patients with Graves' disease (GD), 38 patients with Hashimoto's disease (HD), and 21 healthy volunteers. We evaluated the association between the expression levels of four miRNAs and intracellular expression of IL-10 in PBMCs from 11 healthy volunteers...
July 25, 2017: Immunological Investigations
https://www.readbyqxmd.com/read/28742211/targeting-of-mir-20a-against-cflar-to-potentiate-trail-induced-apoptotic-sensitivity-in-hepg2-cells
#7
Y Wang, Y-R Zhao, A-Y Zhang, J Ma, Z-Z Wang, X Zhang
The article "Targeting of miR-20a against CFLAR to potentiate TRAIL-induced apoptotic sensitivity in HepG2 cells" by Y. Wang, Y.-R. Zhao, A.-Y. Zhang, J. Ma, Z.-Z. Wang, X. Zhang, published in Eur Rev Med Pharmacol Sci 2017; 21 (9): 2087-2097 has been withdrawn.
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28742209/the-expression-significance-of-serum-mir-21-in-patients-with-osteosarcoma-and-its-relationship-with-chemosensitivity
#8
Y Hua, Z Jin, F Zhou, Y-Q Zhang, Y Zhuang
OBJECTIVE: To investigate the expression level of serum microRNA-21 (miR-21) in 69 patients with osteosarcoma, to analyze the changes in miR-21 expression in the serum and tumor tissues before and after chemotherapy in patients with osteosarcoma, and to investigate the relationship between the expression of serum miR-21 in patients with osteosarcoma and chemosensitivity. PATIENTS AND METHODS: Real-time polymerase chain reaction (RT-PCR) was used to detect the expression level of serum miR-21 in 69 patients with osteosarcoma before and after chemotherapy, and analyze the relationship between the expression of miR-21 with tumor necrosis grading and chemosensitivity...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28742208/effects-of-microrna-21-targeting-pitx2-on-proliferation-and-apoptosis-of-pituitary-tumor-cells
#9
M Cui, M Zhang, H-F Liu, J-P Wang
OBJECTIVE: Expression of pituitary homeobox 2 (PITX2) is significantly elevated in pituitary adenoma tissues, which also has lower microRNA (miR)-21 expression, indicating possible tumor-suppression role of miR-21. Bio-informatics analysis revealed targeting onto 3'-UTR of PITX2 by miR-21. This study aims to investigate the role of miR-21/PITX2 expression in proliferation and apoptosis of pituitary adenoma cells and pathogenesis. PATIENTS AND METHODS: A total of 48 pituitary adenoma samples were collected in parallel with 12 normal brain tissues and were recruited in this study...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28742206/bioinformatics-analysis-of-rna-seq-data-revealed-critical-genes-in-colon-adenocarcinoma
#10
W-D Xi, Y-J Liu, X-B Sun, J Shan, L Yi, T-T Zhang
OBJECTIVE: RNA-seq data of colon adenocarcinoma (COAD) were analyzed with bioinformatics tools to discover critical genes in the disease. Relevant small molecule drugs, transcription factors (TFs) and microRNAs (miRNAs) were also investigated. MATERIALS AND METHODS: RNA-seq data of COAD were downloaded from The Cancer Genome Atlas (TCGA). Differential analysis was performed with package edgeR. False positive discovery (FDR) < 0.05 and |log2 (fold change)|>1 were set as the cut-offs to screen out differentially expressed genes (DEGs)...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28742204/mir-144-functions-as-tumor-suppressor-by-targeting-pim1-in-gastric-cancer
#11
K Ren, Q-Q Liu, Z-F An, D-P Zhang, X-H Chen
OBJECTIVE: Gastric cancer (GC) is one of the most prevalent types of malignant disease Worldwide. Mounting evidence has demonstrated the involvement of miRNAs in the development of GC. One of these miRNAs, miR-144 has been found aberrantly expressed in a variety of human malignancies. PATIENTS AND METHODS: GC tissues were collected from patients, and the level of miR-144 was determined by qRT-PCR. GC cell lines SGC7901 and AGS were used as model cell lines and the anti-tumor effect of miR-144 in both cells were examined...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28742197/mir-24-alleviates-cardiomyocyte-apoptosis-after-myocardial-infarction-via-targeting-bim
#12
L-J Pan, X Wang, Y Ling, H Gong
OBJECTIVE: Ischemia hypoxia induces cardiomyocyte (CM) apoptosis in the process of acute myocardial infarction (AMI). It was showed that pro-apoptosis factor BIM participates in regulating tumor cell apoptosis under ischemia or hypoxia condition, while its role in CM apoptosis after AMI is still unclear. It was revealed that miR-24 expression was significantly reduced in myocardial tissue after AMI. Bioinformatics analysis exhibits that miR-24 is targeted to the 3'-UTR of BIM. This study aims to investigate the role of miR-24 in mediating BIM expression and CM apoptosis...
July 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28741879/mir-376a-suppresses-the-proliferation-and-invasion-of-non-small-cell-lung-cancer-by-targeting-c-myc
#13
Youyu Wang, Wei Cong, Gang Wu, Xueming Ju, Zhixi Li, Xin Duan, Xueli Wang, Hong Gao
It has been reported that miR-376a is involved in the formation and progression of several types of cancer However, the expression and function of miR-376a is still unknown in non-small cell lung carcinomas (NSCLC). In this study, the expression of miR-376a in NSCLC tissues and cell lines were examined by real-time PCR, the effects of miR-376a on cell proliferation, apoptosis and invasion were evaluated in vitro. Luciferase reporter assay was performed to identify the targets of miR-376a. The results showed that miR-376a was significantly downregulated in NSCLC tissues and cell lines...
July 25, 2017: Cell Biology International
https://www.readbyqxmd.com/read/28741852/polymorphisms-of-mir-146a-mir-149-mir-196a2-and-mir-499-are-associated-with-osteoporotic-vertebral-compression-fractures-in-korean-postmenopausal-women
#14
Tae-Keun Ahn, Jung-Oh Kim, Hemant Kumar, Hyemi Choi, Min-Jae Jo, Seil Sohn, Alexander E Ropper, Nam-Keun Kim, In-Bo Han
Genetic factors have been shown to be a small but significant predictor for osteoporosis and osteoporotic fracture risk. We performed a case-control association study to determine the association between miR-146a, miR-149, miR-196a2 and miR-499 polymorphisms and osteoporotic vertebral compression fracture (OVCF) susceptibility. In total, 286 unrelated postmenopausal Korean women (57 with OVCFs, 55 with non-OVCFs, and 174 healthy controls) were recruited. All subjects underwent dual energy X-ray absorptiometry to determine BMD at the lumbar spine and femoral neck...
July 25, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28741117/induction-of-alpha-methylacyl-coa-racemase-by-mir-138-via-up-regulation-of-%C3%AE-catenin-in-prostate-cancer-cells
#15
Kati Erdmann, Knut Kaulke, Christiane Rieger, Manfred P Wirth, Susanne Fuessel
PURPOSE: Alpha-methylacyl-CoA racemase (AMACR) is highly overexpressed in prostate cancer (PCa) and its transcriptional regulators include various transcription factors and CTNNB1/β-catenin. Our previous findings suggested a post-transcriptional regulation by the tumor-suppressive microRNA miR-138 in PCa. Thus, the aim of this study was to demonstrate the direct interaction of miR-138 with the 3'-UTR of AMACR. Furthermore, the influence of miR-138 on the expression of AMACR and selected AMACR regulators was investigated in PCa cells...
July 24, 2017: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/28741069/microrna-100-shuttled-by-mesenchymal-stem-cell-derived-exosomes-suppresses-in-vitro-angiogenesis-through-modulating-the-mtor-hif-1%C3%AE-vegf-signaling-axis-in-breast-cancer-cells
#16
Katayoon Pakravan, Sadegh Babashah, Majid Sadeghizadeh, Seyed Javad Mowla, Majid Mossahebi-Mohammadi, Farangis Ataei, Nasim Dana, Mohammad Javan
BACKGROUND: Human mesenchymal stem cells (MSCs) have been shown to be involved in the formation and modulation of tumor stroma and in interacting with tumor cells, partly through their secretome. Exosomes are nano-sized intraluminal multi-vesicular bodies secreted by most types of cells and have been found to mediate intercellular communication through the transfer of genetic information via coding and non-coding RNAs to recipient cells. Since exosomes are considered as protective and enriched sources of shuttle microRNAs (miRNAs), we hypothesized that exosomal transfer of miRNAs from MSCs may affect tumor cell behavior, particularly angiogenesis...
July 24, 2017: Cellular Oncology (Dordrecht)
https://www.readbyqxmd.com/read/28740576/the-chemokine-scavenging-receptor-d6-ackr2-is-a-target-of-mir-146a-in-thyroid-cancer
#17
Francesco Pacifico, Alessio Lepore, Stefano Mellone, Luca Sanguigno, Giorgia Federico, Adelaide Greco, Arturo Brunetti, Antonio Leonardi
We have previously shown that miR-146a, a NF-κB-regulated microRNA, is strongly expressed in human specimens and cell lines derived from anaplastic thyroid carcinomas (ATC) where it mediates some of the NF-κB pro-tumorigenic functions. By using a bioinformatic analysis, we identified the chemokine scavenger receptor D6/ ACKR2 as a target of miR146a in human ATC. We found that the expression of D6/ ACKR2 was up-regulated in miR-146a-null ATC cell lines and that the 3' UTR of D6/ ACKR2 mRNA was able to inhibit its expression in parental, but not in miR-146a-null ATC cells...
May 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28740575/identification-of-novel-diagnostic-and-prognostic-mirna-signatures-in-endometrial-cancer
#18
Muralidharan Jayaraman, Rangasudhagar Radhakrishnan, Cara A Mathews, Mingda Yan, Sanam Husain, Katherine M Moxley, Yong Sang Song, Danny N Dhanasekaran
With the goal of identifying diagnostic and prognostic biomarkers in endometrial cancer, miRNA-profiling was carried out with formalin-fixed paraffin embedded (FFPE) tissue samples from 49 endometrial cancer patients. Results using an 84-cancer specific miRNA panel identified the upregulation of miR-141-3p and miR-96-5p along with a downregulation of miR-26, miR-126-3p, miR-23b, miR-195-5p, miR-374a and let-7 family of miRNAs in endometrial cancer. We validated the dysregulated expression of the identified miRNAs in a panel of endometrial cancer cell-lines...
May 2017: Genes & Cancer
https://www.readbyqxmd.com/read/28740555/atg9b-deficiency-suppresses-autophagy-and-potentiates-endoplasmic-reticulum-stress-associated-hepatocyte-apoptosis-in-hepatocarcinogenesis
#19
Ning Wang, Hor-Yue Tan, Sha Li, Yibin Feng
The aim of this study was to investigate the mechanism underlying autophagy deficiency during hepatic carcinogenesis. For this purpose, we used choline-deficient, amino acid-defined (CDAA) hepatocarcinogenesis model in mice. miRNA microarrays combined with computational target predictions and GO analysis were used to identify molecular processes involved in carcinogenesis. PCR profiler array was employed to detect the dysregulated autophagy-related genes during carcinogenesis. We observed induction of hepatic tumours with increased inflammation, DNA damage, and cell death...
2017: Theranostics
https://www.readbyqxmd.com/read/28740551/modulating-micrornas-as-novel-therapeutic-targets-in-cardiac-fibrosis
#20
COMMENT
Zhongxiu Chen, Yajiao Li, Ke Dian, Li Rao
This commentary highlights the findings by Tao et al. (Theranostics 2016; 6: 2068-2083) that targeting miR-433 may be a potential therapeutic strategy for myocardial fibrosis and subsequently discusses the obstacles and prospects associated with the application of therapeutic microRNAs in anti-fibrosis treatment.
2017: Theranostics
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