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https://www.readbyqxmd.com/read/29340250/integrated-genomic-analyses-of-lung-squamous-cell-carcinoma-for-identification-of-a-possible-competitive-endogenous-rna-network-by-means-of-tcga-datasets
#1
Pengbo Ning, Zhongxing Wu, Aoxue Hu, Xuepeng Li, Jun He, Xiaocheng Gong, Yuqiong Xia, Yukui Shang, Huijie Bian
The etiology of cancer includes aberrant cellular homeostasis where a compromised RNA regulatory network is a prominent contributing factor. In particular, noncoding RNAs including microRNAs (miRNAs) and long noncoding RNAs (lncRNAs) were recently shown to play important roles in the initiation, progression, and metastasis of human cancers. Nonetheless, a mechanistic understanding of noncoding RNA functions in lung squamous cell carcinoma (LUSC) is lacking. To fill this critical gap in knowledge, we obtained mRNA, miRNA, and lncRNA expression data on patients with LUSC from the updated Cancer Genome Atlas (TCGA) database (2016)...
2018: PeerJ
https://www.readbyqxmd.com/read/29317831/four-mirna-signature-as-a-prognostic-tool-for-lung-adenocarcinoma
#2
Yan Lin, Yufeng Lv, Rong Liang, Chunling Yuan, Jinyan Zhang, Dan He, Xiaowen Zheng, Jianfeng Zhang
Purpose: The aim of this study was to generate a novel miRNA expression signature to accurately predict prognosis for patients with lung adenocarcinoma (LUAD). Patients and methods: Using expression profiles downloaded from The Cancer Genome Atlas database, we identified multiple miRNAs with differential expression between LUAD and paired healthy tissues. We then evaluated the prognostic values of the differentially expressed miRNAs using univariate/multivariate Cox regression analysis...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29311662/evidence-for-a-radiation-responsive-p53-gateway-contributing-significantly-to-the-radioresistance-of-lepidopteran-insect-cells
#3
Ashish Kumar, Sudhir Chandna
Recently, we have demonstrated that microRNA-31 (miR-31) overexpression is inherent to radiation-induced cell death in the highly radioresistant Sf9 insect cells, and regulates pro-apoptotic Bax translocation to mitochondria. In the present study, we report that at sub-lethal radiation doses for Sf9 cells, miR-31 is significantly downregulated and is tightly regulated by an unusual mechanism involving p53. While ectopic overexpression of a well-conserved Sfp53 caused typical apoptosis, radiation-induced p53 accumulation observed selectively at sub-lethal doses failed to induce cell death...
January 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29308623/mir-31-and-mir-145-as-potential-non-invasive-regulatory-biomarkers-in-patients-with-endometriosis
#4
Oranous Bashti, Mehrdad Noruzinia, Masoud Garshasbi, Morteza Abtahi
OBJECTIVES: Endometriosis is a prevalent gynecologic disease affecting 10% of women in reproductive age. Endometriosis is diagnosed by laparoscopy that was followed by histologic confirmation. Early diagnosis will lead to a more effective treatment with much less morbidity. As miR-31 and miR-145 are shown to be directly or indirectly correlated to biological processes involved in endometriosis, the aim of this study was to examine the association of miR-31 and miR-145 expression in plasma with the presence of endometriosis...
April 2018: Cell Journal
https://www.readbyqxmd.com/read/29303912/transforming-growth-factor-%C3%AE-and-bone-morphogenetic-protein-2-regulation-of-microrna-200-family-in-chronic-pancreatitis
#5
Peter Yu, Ka Liu, Xuxia Gao, Harry Karmouty-Quintana, Jennifer M Bailey, Yanna Cao, Tien C Ko
OBJECTIVES: To investigate regulation of microRNA (miR)-200 family (a, b, c, 141, and 429) in chronic pancreatitis (CP). This was accomplished by examining miR-200 family levels in a mouse model in vivo and their regulation in pancreatic cells in vitro. METHODS: Chronic pancreatitis was induced by cerulein for 4 weeks (50 μg/kg, 5 hourly intraperitoneal injections/day, and 3 days/week). Control mice received normal saline. The pancreata were harvested for fibrosis assessment by Sirius red staining and for miRNA, collagen, and fibronectin levels by quantitative PCR...
January 5, 2018: Pancreas
https://www.readbyqxmd.com/read/29299114/stromal-cell-extracellular-vesicular-cargo-mediated-regulation-of-breast-cancer-cell-metastasis-via-ubiquitin-conjugating-enzyme-e2-n-pathway
#6
Krishna C Vallabhaneni, Patrice Penfornis, Fei Xing, Yoni Hassler, Kristen V Adams, Yin-Yuan Mo, Kounosuke Watabe, Radhika Pochampally
Mesenchymal stromal cells (hMSCs) have been used to understand the stromal cell properties in solid tumors because of their ablity to differentiate into most cell types. We investigated the role of EVs from hMSCs (hMSC-EVs) in breast cancer metastasis using MDA-MB-231 parental cell line and organotropic sub-lines. We demonstrated that hMSC-EVs significantly suppressed the metastatic potential of the parental cell line when compared to their organotropic sublines. hMSC-EVs induce dormancy in the parental cell line but not in their organotropic sub-lines and miR-205 and miR-31 from EV cargo played a role...
December 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/29290822/mir-31-5p-acox1-axis-enhances-tumorigenic-fitness-in-oral-squamous-cell-carcinoma-via-the-promigratory-prostaglandin-e2
#7
Yi-Hsuan Lai, Hsuan Liu, Wei-Fan Chiang, Ting-Wen Chen, Lichieh Julie Chu, Jau-Song Yu, Shu-Jen Chen, Hua-Chien Chen, Bertrand Chin-Ming Tan
During neoplastic development, a multitude of changes in genome-encoded information are progressively selected to confer growth and survival advantages to tumor cells. microRNAs-mRNAs regulatory networks, given their role as a critical layer of robust gene expression control, are frequently altered in neoplasm. However, whether and how these gene perturbations impact metabolic homeostasis remains largely unresolved. Methods: Through targeted miRNA expression screening, we uncovered an oral squamous cell carcinoma (OSCC)-associated miRNAome, among which miR-31-5p was identified based on extent of up-regulation, functional impact on OSCC cell migration and invasion, and direct regulation of the rate-limiting enzyme in peroxisomal β-oxidation, ACOX1...
2018: Theranostics
https://www.readbyqxmd.com/read/29212194/association-between-mir-31-3p-expression-and-cetuximab-efficacy-in-patients-with-kras-wild-type-metastatic-colorectal-cancer-a-post-hoc-analysis-of-the-new-epoc-trial
#8
Siân Pugh, Raphaële Thiébaut, John Bridgewater, Marie-Lise Grisoni, Karwan Moutasim, Francis Rousseau, Gareth J Thomas, Gareth Griffiths, François Liebaert, John Primrose, Pierre Laurent-Puig
Background: High miR-31-3p expression is associated with inferior outcomes in KRAS wild-type (WT) advanced colorectal cancer patients treated with anti-EGFR therapy. This study evaluated miR-31-3p expression in patients with operable colorectal liver metastases (LM) enrolled in the New EPOC study. Methods: MiR-31-3p expression was measured in primary tumors (PT) from 149 KRAS WT patients including 71 receiving chemotherapy alone (CT) and 78 receiving chemotherapy plus cetuximab (CTX)...
November 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/29207475/function-of-micrornas-in-the-osteogenic-differentiation-and-therapeutic-application-of-adipose-derived-stem-cells-ascs
#9
REVIEW
Walter M Hodges, Frederick O'Brien, Sadanand Fulzele, Mark W Hamrick
Traumatic wounds with segmental bone defects represent substantial reconstructive challenges. Autologous bone grafting is considered the gold standard for surgical treatment in many cases, but donor site morbidity and associated post-operative complications remain a concern. Advances in regenerative techniques utilizing mesenchymal stem cell populations from bone and adipose tissue have opened the door to improving bone repair in the limbs, spine, and craniofacial skeleton. The widespread availability, ease of extraction, and lack of immunogenicity have made adipose-derived stem cells (ASCs) particularly attractive as a stem cell source for regenerative strategies...
December 2, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29203780/microrna-expression-in-ethnic-specific-early-stage-breast-cancer-an-integration-and-comparative-analysis
#10
Farah J Nassar, Rabih Talhouk, Nathalie K Zgheib, Arafat Tfayli, Maya El Sabban, Nagi S El Saghir, Fouad Boulos, Mark N Jabbour, Claude Chalala, Rose-Mary Boustany, Humam Kadara, Zhou Zhang, Yinan Zheng, Brian Joyce, Lifang Hou, Ali Bazarbachi, George Calin, Rihab Nasr
Breast cancer (BC) has a higher incidence in young Lebanese woman as compared to the West. We assessed the microRNA (miRNA) microarray profile of tissues derived from Lebanese patients with early BC and performed mRNA-miRNA integration analysis. 173 miRNAs were significantly dysregulated in 45 BC versus 17 normal adjacent breast tissues, including 74 with a fold change more than two of which 17 were never reported before in cancer. Integration analysis of mRNA-miRNA microarray data revealed a potential role of 51 dysregulated miRNA regulating 719 tumor suppressive or oncogenic mRNA associated with increased proliferation and decreased migration and invasion...
December 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29194612/nanocurcumin-restores-aberrant-mirna-expression-profile-in-multiple-sclerosis-randomized-double-blind-placebo-controlled-trial
#11
Sanam Dolati, Leili Aghebati Maleki, Majid Ahmadi, Faroogh Marofi, Zohreh Babaloo, Hormoz Ayramloo, Zahra Jafarisavari, Hamid Oskouei, Amir Afkham, Vahid Younesi, Mohammad Nouri, Mehdi Yousefi
OBJECTIVE: In the current study, we aimed to identify nanocurcumin effects on microRNAs (miRNAs) in the peripheral blood of patients with relapsing-remitting multiple sclerosis (RRMS). We intended to investigate the expression pattern of these miRNAs in experimental settings in vivo. METHODS: The expression levels of the selected 27 miRNAs known to be involved in the regulation of immune responses were analyzed in 50 RRMS patients and 35 healthy controls. The miRNA expression profiles were investigated by quantitative PCR (qPCR) at baseline and after 6 months of nanocurcumin therapy...
December 1, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29187262/novel-circulating-micrornas-expression-profile-in-colon-cancer-a-pilot-study
#12
Ya-Nan Wang, Zhao-Hua Chen, Wei-Chang Chen
PURPOSE: To identify the expression profile of novel microRNAs (miRNAs) in colon cancer and evaluate their clinical applicability. METHODS: Differences in the expression of serum miRNAs in patients with colon cancer and healthy controls were identified using miRNA microarrays. Differentially expressed miRNAs were verified via real-time polymerase chain reaction (PCR) using sera from 50 patients with colon cancer and 44 healthy controls. These miRNAs were also verified in a double-blind validation experiment using sera from 30 patients with colon cancer, 30 patients with colonic polyps, and 30 healthy controls...
November 29, 2017: European Journal of Medical Research
https://www.readbyqxmd.com/read/29176744/crucial-role-of-mir-31-in-induction-of-cd8-t-cell-exhaustion-and-reinforcement-of-type-1-interferon-signaling
#13
Lin Ying Li, Inkyu Hwang
No abstract text is available yet for this article.
November 27, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/29162923/overexpression-of-suppressive-micrornas-mir-30a-and-mir-200c-are-associated-with-improved-survival-of-breast-cancer-patients
#14
Tsutomu Kawaguchi, Li Yan, Qianya Qi, Xuan Peng, Emmanuel M Gabriel, Jessica Young, Song Liu, Kazuaki Takabe
Some microRNAs (miRNAs) are known to suppress breast cancer. However, whether the expressions of these tumor suppressive miRNAs translate to patient survival were not investigated in large cohort. Nine miRNAs (miR-30a, miR-30c, miR-31, miR-126, miR-140, miR-146b, miR-200c, miR-206, and miR-335) known to be tumor suppressive miRNAs in breast cancer were investigated in Genomic Data Common data portal miRNA-Seq dataset and The Cancer Genome Atlas (TCGA) (n = 1052). Of the 9 miRNAs, miR-30a, miR-30c, miR-126, miR-140, miR-206, and miR-335 were found to have significantly lower expression in breast cancer tissues compared to paired normal breast tissue...
November 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29159179/mir-31-functions-as-an-oncomir-which-promotes-epithelial-mesenchymal-transition-via-regulating-bap1-in-cervical-cancer
#15
Nan Wang, Yong Li, Jianhong Zhou
MicroRNA-31 (miR-31) functions as tumor suppressors or oncogenes that are involved in tumor behavior. However, the function of miR-31 in cervical carcinogenesis remains unclear. The aim of this study was to validate the potential role of miR-31 and BRCA1-associated protein-1 (BAP1) on regulating epithelial-mesenchymal transition (EMT) in cervical cancer. In the present study, qRT-PCR assay revealed that the expression of miR-31 was upregulated in human cervical cancer cells and clinical tissues. Results of wound healing and cell migration assay revealed that knockdown of miR-31 inhibited cell metastasis and migration...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29152124/identification-of-a-sixteen-microrna-signature-as-prognostic-biomarker-for-stage-ii-and-iii-colon-cancer
#16
Havjin Jacob, Luka Stanisavljevic, Kristian Eeg Storli, Kjersti E Hestetun, Olav Dahl, Mette P Myklebust
Despite advances in colon cancer research and novel therapies, high risk of recurrence remains a major challenge. This study reports miRNA expression profiling as a biomarker for the prognosis of TNM stage II and III colon cancer. Fresh frozen biopsies from the study cohort (N=111) were analyzed for miRNA by RT-qPCR and LASSO regression analysis was used to build a classifier of miRNAs. The prognostic accuracy was tested and the classifier was validated in an independent colon cohort (TCGA-COAD, N=209). The LASSO regression analysis identified a 16-miRNA signature including miR-143-5p, miR-27a-3p, miR-31-5p, miR-181a-5p, miR-30b-5p, miR-30d-5p, miR-146a-5p, miR-23a-3p, miR-150-5p, miR-210-3p, miR-25-3p, miR-196a-5p, miR-148a-3p, miR-222-3p, miR-30c-5p and miR-223-3p...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152108/microrna-31-suppresses-the-self-renewal-capability-of-%C3%AE-2%C3%AE-1-liver-tumor-initiating-cells-by-targeting-isl1
#17
Yuan Zhang, Wei Zhao, Haibo Han, Sheng Li, Dongji Chen, Zhiqian Zhang
Accumulating evidence demonstrates that miRNAs, a class of small non-coding RNAs, are involved in the regulation of tumor-initiating cells (TICs) which are considered to be the origin of cancer development according to the cancer stem cell hypothesis. We have previously identified that miR-31 may play suppressive roles in α2δ1(+) hepatocellular carcinoma (HCC) TICs. Here, we confirm that the expression of miR-31 is significantly downregulated in α2δ1(+) HCC TICs. Overexpression of miR-31 in α2δ1(+) HCC TICs results in significant suppression of the self-renewal and tumorigenicity abilities of these cells...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29150993/overexpression-of-mir-31-in-peripheral-blood-mononuclear-cells-pbmc-from-patients-with-ankylosing-spondylitis
#18
Mengmeng Wang, Li Wang, Xu Zhang, Xiao Yang, Xiaona Li, Qing Xia, Mengya Chen, Renfang Han, Rui Liu, Shengqian Xu, Faming Pan
BACKGROUND miRNAs play vital roles in regulating immunologic functions and autoimmunity. However, the levels of miR-31, miR-155, miR-16, and miR-181a have not been explored in AS, but were verified to play vital roles in other immunological diseases. The aim of our study was to examine whether the expressions of miR-31, miR-155, miR-16, and miR-181a are abnormal in AS. MATERIAL AND METHODS Real-time transcription-polymerase chain reaction analysis (RT-PCR) was used to determine the expression of miR-31, miR-155, miR-16, and miR-181a in peripheral blood mononuclear cells (PBMC) from 40 patients with AS and 40 healthy controls...
November 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29145896/downregulation-of-mir-31-stimulates-expression-of-lats2-via-the-hippo-pathway-and-promotes-epithelial-mesenchymal-transition-in-esophageal-squamous-cell-carcinoma
#19
Yanping Gao, Jun Yi, Kai Zhang, Fan Bai, Bing Feng, Rui Wang, Xiaoyuan Chu, Longbang Chen, Haizhu Song
BACKGROUND: Dysregulation of miRNAs is associated with cancer development by coordinately suppressing abundant target genes. Emerging evidence indicates that miR-31 plays a dual role in tumorigenicity. However, whether miR-31 plays as an oncogene in esophageal squamous cell carcinoma (ESCC) and the potential target molecules are still unclear. MiR-31 role in ESCC was investigated and an association of the target molecules with EMT was identified in the progression of ESCC. METHODS: Western blot assays and qRT-PCR was performed to detect the protein and mRNA levels...
November 16, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/29136461/enzyme-free-nucleic-acid-amplification-assay-using-a-cellphone-based-well-plate-fluorescence-reader
#20
Donghyuk Kim, Qingshan Wei, Dong Hyeok Kim, Derek Tseng, Jingzi Zhang, Eric Pan, Omai Brandt Garner, Aydogan Ozcan, Dino Di Carlo
Nucleic acids, DNA and RNA, provide important fingerprint information for various pathogens and have significant diag-nostic value; however, improved approaches are urgently needed to enable rapid detection of nucleic acids in simple point-of-care formats with high sensitivity and specificity. Here, we present a system that utilizes a series of toehold-triggered hy-bridization/displacement reactions that are designed to convert a given amount of RNA molecules (i.e., the analyte) into an amplified amount of signaling molecules without any washing steps or thermocycling...
November 14, 2017: Analytical Chemistry
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