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miRNA expression profiling

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https://www.readbyqxmd.com/read/28432899/serum-micrornas-related-with-chemoradiotherapy-resistance-in-advanced-stage-cervical-squamous-cell-carcinoma
#1
Ying Han, Mei Liu, Ziyi Wang, Manni Huang, Ningzhi Xu, Lingying Wu
OBJECTIVE: To investigate the serum microRNAs as biomarkers in predicting chemoradiotherapy resistance in advanced-stage cervical squamous cell carcinoma (ACSCC) patients. METHODS: Serum samples were collected from International Federation of Gynecology and Obstetrics (FIGO) stage IIB to IIIB cervical squamous cell carcinoma patients treated with platinum based Concomitant Chemoradiotherapy (CCRT) in our hospital during September 2013 to November 2015. Twenty well-matched samples (10 resistant and 10 sensitive) were chosen to screen the miRNA expression profile using serum samples pooled with microarrays...
April 19, 2017: Translational Oncology
https://www.readbyqxmd.com/read/28432832/profiling-microrna-from-nephrectomy-and-biopsy-specimens-predictors-of-progression-and-survival-in-clear-cell-renal-cell-carcinoma
#2
Casey G Kowalik, Drew A Palmer, Travis B Sullivan, Patrick A Teebagy, John M Dugan, John A Libertino, Eric J Burks, David Canes, Kimberly M Rieger-Christ
OBJECTIVE: To identify miRNA characteristic of metastatic clear cell renal cell carcinoma (ccRCC) and those indicative of cancer specific survival in nephrectomy and biopsy specimens. We also sought to determine if a miRNA panel could differentiate benign from ccRCC tissue. MATERIALS AND METHODS: RNA was isolated from nephrectomy and kidney biopsy specimens (n=156; n=46 respectively). Samples were grouped: benign, non-progressive and progressive ccRCC. MiRNA were profiled by microarray and validated by qRT-PCR...
April 22, 2017: BJU International
https://www.readbyqxmd.com/read/28432002/mir-429-inhibits-metastasis-by-targeting-kiaa0101-in-soft-tissue-sarcoma
#3
Devyani Samantarrai, Bibekanand Mallick
Soft tissue sarcomas (STS) are a heterogeneous group of rare tumors with high metastatic potential. There being only a handful of publication on metastasis of STS, we investigated the miRNA mediated target gene regulations in modulating the metastatic processes in this cancer. In this study, we amalgamated gene and miRNA expression profiles of high-grade STS samples with miRNA target predictions and identified miR-429 targeting KIAA0101 as a novel pair, which remain unexplored in STS metastasis. We validated their expression in metastatic fibrosarcoma cell line, HT1080 and performed several functional assays using miRNA mimics and KIAA0101 over-expression vector to confirm their role in metastasis...
April 18, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28431975/liposomal-curcumin-alters-chemosensitivity-of-breast-cancer-cells-to-adriamycin-via-regulating-microrna-expression
#4
Siying Zhou, Jian Li, Hanzi Xu, Sijie Zhang, Xiu Chen, Wei Chen, Sujin Yang, Shanliang Zhong, Jianhua Zhao, Jinhai Tang
BACKGROUND: Emerging evidence suggests that curcumin can overcome drug resistance to classical chemotherapies, but poor bioavailability and low absorption have limited its clinical use and the mechanisms remain unclear. Also, Adriamycin (Adr) is one of the most active cytotoxic agents in breast cancer; however, the high resistant rate of Adr leads to a poor prognosis. METHODS: We utilized encapsulation in liposomes as a strategy to improve the bioavailability of curcumin and demonstrated that liposomal curcumin altered chemosensitivity of Adr-resistant MCF-7 human breast cancer (MCF-7/Adr) by MTT assay...
April 18, 2017: Gene
https://www.readbyqxmd.com/read/28431272/specific-microrna-mrna-regulatory-network-of-colon-cancer-invasion-mediated-by-tissue-kallikrein-related-peptidase-6
#5
Earlphia Sells, Ritu Pandey, Hwudaurw Chen, Bethany A Skovan, Haiyan Cui, Natalia A Ignatenko
Metastatic colon cancer is a major cause of deaths among colorectal cancer (CRC) patients. Elevated expression of kallikrein 6 (KLK6), a member of a kallikrein subfamily of peptidase S1 family serine proteases, has been reported in CRC and is associated with low patient survival rates and poor disease prognosis. We knocked down KLK6 expression in HCT116 colon cancer cells to determine the significance of KLK6 expression for metastatic dissemination and to identify the KLK6-associated microRNAs (miRNAs) signaling networks in metastatic colon cancer...
April 18, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28431219/genetic-analysis-of-%C3%AE-synuclein-3-untranslated-region-and-its-corresponding-micrornas-in-relation-to-parkinson-s-compared-to-dementia-with-lewy-bodies
#6
Lidia Tagliafierro, Omolara-Chinue Glenn, Madison E Zamora, Thomas G Beach, Randy L Woltjer, Michael W Lutz, Ornit Chiba-Falek
INTRODUCTION: The α-synuclein (SNCA) gene has been implicated in the etiology of Parkinson's disease (PD) and dementia with Lewy bodies (DLB). METHODS: A computational analysis of SNCA 3' untranslated region to identify potential microRNA (miRNA) binding sites and quantitative real-time PCR to determine their expression in isogenic induced pluripotent stem cell-derived dopaminergic and cholinergic neurons as a model of PD and DLB, respectively, were performed. In addition, we performed a deep sequencing analysis of the SNCA 3' untranslated region of autopsy-confirmed cases of PD, DLB, and normal controls, followed by genetic association analysis of the identified variants...
April 18, 2017: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/28430660/screening-differential-circular-rna-expression-profiles-reveals-hsa_circ_0004018-is-associated-with-hepatocellular-carcinoma
#7
Liyun Fu, Ting Yao, Qingqing Chen, Xiaoyan Mo, Yaoren Hu, Junming Guo
Circular RNAs (circRNAs) have been emerged as an indispensable part of endogenous RNA network. However, the expression significance of circRNAs in hepatocellular carcinoma (HCC) is rarely revealed. The aim of this study was to determine the circRNA expression profile in HCC, and to investigate their clinical significances and relevant mechanisms for cancer progression. The global circRNA expression profile in HCC was measured by circRNA microarray. Levels of one representative circRNAs, hsa_circ_0004018, were confirmed by real-time reverse transcription-polymerase chain reaction...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430657/microrna-signatures-predict-prognosis-of-patients-with-glioblastoma-multiforme-through-the-cancer-genome-atlas
#8
Ying Yuan, Hua Zhang, Xuexia Liu, Zhongming Lu, Guojun Li, Meixia Lu, Xiaofeng Tao
MicroRNAs (miRNAs) play major roles in various biological processes and have been implicated in the pathogenesis and malignant progression of glioblastoma multiforme (GBM). The aim of this study was to assess the predictive values of miRNAs for overall survival (OS) of patients with GBM. MiRNA expression profiles and clinical information of 563 GBM patients were obtained from the Cancer Genome Atlas. The most significantly altered miRNAs were identified and miRNA expression profiles were performed, through principal component analysis, the least absolute shrinkage and selection operator method...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28430523/altered-expression-of-mirnas-is-related-to-larynx-cancer-tnm-stage-and-patients-smoking-status
#9
Antoni Bruzgielewicz, Ewa Osuch-Wojcikiewicz, Kazimierz Niemczyk, Olga Sieniawska-Buccella, Mateusz Siwak, Anna Walczak, Alicja Nowak, Ireneusz Majsterek
It has been reported that microRNAs (miRNAs) are responsible for acquiring all the hallmarks of cancer cells, as well as have a significant impact on the clinical management of cancers at every stage, including prognosis, remission, relapse, and metastasis. In this study, we investigated the association of miR-29a-3p, miR-202-3p, miR-3713, miR-4768-3p, and miR-548aa expression with clinicopathologic features in patients suffering from laryngeal cancer (LC) and determined the potential role of studied miRNAs in the progression of LC...
April 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28429232/detection-of-potential-metastatic-prostate-cancer-circulating-biomarkers-by-comparison-of-mirna-profiles-in-du145-cells-and-culture-medium
#10
K A Fomicheva, A I Osip'yants, E N Knyazev, T R Samatov, M Yu Shkurnikov
We studied the profile of miRNA secreted into culture medium by DU145 prostate cancer cells and identified a subset of miRNAs characterized by the absence of correlation of their content in the cell and medium, which is likely a result of specific secretion. Three of these miRNA, hsa-miR-4417, hsa-miR-3175, and hsa-miR-6782-5p, exhibit the highest expression and are candidate circulating biomarkers for metastatic activity of prostate cancer. Two of these miRNA are coded by introns of genes linked with genome stability maintenance and chromatin remodeling regulation...
April 21, 2017: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28427387/serum-microrna-profile-in-patients-with-colon-adenomas-or-cancer
#11
Yajie Zhang, Min Li, Yijiang Ding, Zhimin Fan, Jinchun Zhang, Hongying Zhang, Bin Jiang, Yong Zhu
BACKGROUND: Colon cancer, one of the most common causes of cancer-related deaths, arises from adenomatous polyps. In these years, circulating microRNAs (miRNAs) have attracted increasing attention as novel biomarkers for colon cancers. The dysregulated circulating miRNAs in patients with colon adenomas has not been well-understood. METHODS: Here, we aimed to identify miRNA profile in the serum of patients with colon adenomas or colon cancer by using microarray. Then we validated eight differentially expressed miRNAs (DEMs) by qRT-PCR and predicted their targets...
April 20, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28426683/genome-wide-identification-and-characterization-of-mirnaome-from-tomato-solanum-lycopersicum-roots-and-root-knot-nematode-meloidogyne-incognita-during-susceptible-interaction
#12
Pritam Kaur, Neha Shukla, Gopal Joshi, Cheeni VijayaKumar, Arun Jagannath, Manu Agarwal, Shailendra Goel, Amar Kumar
Root-knot nematodes (RKNs, Meloidogyne spp.) are the most damaging plant parasites causing severe losses to crop production. The present study reports genome-wide identification and characterization of both tomato and RKN miRNAs simultaneously from RKN-infected susceptible tomato roots using high-throughput sequencing technique. RNAseq data from 11 small RNA libraries derived from 5 disease development stages identified 281 novel miRNAs of tomato in addition to 52 conserved and 4 variants of conserved miRNAs...
2017: PloS One
https://www.readbyqxmd.com/read/28424819/plasma-micrornas-characterising-patients-with-immune-thrombocytopenic-purpura
#13
Bin Zuo, Juping Zhai, Lifang You, Yunxiao Zhao, Jianfeng Yang, Zhen Weng, Lan Dai, Qingyu Wu, Changgeng Ruan, Yang He
Altered microRNA (miRNA) expression has been reported in patients with immune thrombocytopenic purpura (ITP). However, the detailed expression profiling of cell-free circulating miRNAs in ITP patients has not been fully investigated. In this study, we aimed to examine plasma miRNAs in ITP patients and evaluate their diagnostic values. Plasma samples from 74 ITP patients and 58 healthy controls were obtained and allocated into discovery, validation, and therapy-response sets. Initial screen with a miRNA microarray assay identified 23 miRNAs with different levels between ITP patients and healthy controls (>1...
April 20, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28424619/retinal-and-circulating-mirnas-in-age-related-macular-degeneration-an-in-vivo-animal-and-human-study
#14
Giovanni L Romano, Chiara B M Platania, Filippo Drago, Salvatore Salomone, Marco Ragusa, Cristina Barbagallo, Cinzia Di Pietro, Michele Purrello, Michele Reibaldi, Teresio Avitabile, Antonio Longo, Claudio Bucolo
Age related macular degeneration (AMD) is the leading cause of blindness among people aged 50 and over. Retinal deposition of amyloid-β (Aβ) aggregates in AMD patients has suggested a potential link between AMD and Alzheimer's disease (AD). We have evaluated the differential retinal expression profile of miRNAs in a rat model of AMD elicited by Aβ. A serum profile of miRNAs in AMD patients has been also assessed using single TaqMan assay. Analysis of retina from rats intravitreally injected with Aβ revealed that miR-27a, miR-146a, and miR-155 were up-regulated in comparison to control rats...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28424428/global-mirna-expression-profiling-of-domestic-cat-livers-following-acute-toxoplasma-gondii-infection
#15
Wei Cong, Xiao-Xuan Zhang, Jun-Jun He, Fa-Cai Li, Hany M Elsheikha, Xing-Quan Zhu
Although microRNAs (miRNAs) play an important role in liver homeostasis, the extent to which they can be altered by Toxoplasma gondii infection is unknown. Here, we utilized small RNA sequencing and bioinformatic analyses to characterize miRNA expression profiles in the liver of domestic cats at 7 days after oral infection with T. gondii (Type II) strain. A total of 384 miRNAs were identified and 82 were differentially expressed, of which 33 were up-regulated and 49 down-regulated. Also, 5690 predicted host gene targets for the differentially expressed miRNAs were identified using the bioinformatic algorithm miRanda...
March 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423960/the-role-of-molecular-diagnostic-testing-in-the-management-of-thyroid-nodules
#16
Maureen D Moore, Suraj Panjwani, Katherine D Gray, Brendan M Finnerty, Rasa Zarnegar, Thomas J Fahey
Fine needle aspiration (FNA) with cytologic examination remains the standard of care for investigation of thyroid nodules. However, as many as 30% of FNA samples are cytologically indeterminate for malignancy, which confounds clinical management. To reduce the burden of repeat diagnostic testing and unnecessary surgery, there has been extensive investigation into molecular markers that can be detected on FNA specimens to more accurately stratify a patient's risk of malignancy. Areas Covered: In this review, the authors discuss recent evidence and progress in molecular markers used in the diagnosis of thyroid cancer highlighting somatic gene alterations, molecular technologies and microRNA analysis...
April 19, 2017: Expert Review of Molecular Diagnostics
https://www.readbyqxmd.com/read/28423653/a-novel-microrna-signature-predicts-survival-in-stomach-adenocarcinoma
#17
Bowen Ding, Xujie Gao, Hui Li, Liren Liu, Xishan Hao
Recent microRNA (miRNA) expression profiling studies suggest the clinical use of miRNAs as potential prognostic biomarkers in various malignancies. In this study, aiming to identify microRNAs with prognostic value for overall survival (OS) in stomach adenocarcinoma (STAD) patients, we analyzed the miRNA expression profiles and the associated clinical characteristics in 380 STAD samples from The Cancer Genome Atlas (TCGA) dataset. An eight-miRNA signature for predicting OS in STAD patients was identified and self-validated by survival analysis and semi-supervised principal components method...
March 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423361/next-generation-sequencing-reveals-microrna-markers-of-adrenocortical-tumors-malignancy
#18
Łukasz Koperski, Marta Kotlarek, Michał Świerniak, Monika Kolanowska, Anna Kubiak, Barbara Górnicka, Krystian Jażdżewski, Anna Wójcicka
BACKGROUND: Adrenocortical carcinoma is a rare finding among common adrenocortical tumors, but it is highly aggressive and requires early detection and treatment. Still, the differential diagnosis between benign and malignant lesions is difficult even for experienced pathologists and there is a significant need for novel diagnostic methods. In this study we aimed to reveal a complete set of microRNAs expressed in the adrenal gland and to identify easily detectable, stable and objective biomarkers of adrenocortical malignancy...
April 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423042/transforming-growth-factor-%C3%AE-1-enhances-heme-oxygenase-1-expression-in-human-synovial-fibroblasts-by-inhibiting-microrna-519b-synthesis
#19
Shu-Jui Kuo, Wei-Hung Yang, Shan-Chi Liu, Chun-Hao Tsai, Horng-Chaung Hsu, Chih-Hsin Tang
BACKGROUND: Osteoarthritis (OA) is manifested by synovial inflammation and cartilage destruction that is directly linked to synovitis, joint swelling and pain. In the light of the role of synovium in the pathogenesis and the symptoms of OA, synovium-targeted therapy is a promising strategy to mitigate the symptoms and progression of OA. Transforming growth factor beta 1 (TGF-β1), a secreted homodimeric protein, possesses unique and potent anti-inflammatory and immune-regulatory properties in many cell types...
2017: PloS One
https://www.readbyqxmd.com/read/28421107/sexual-dimorphism-of-mirnas-secreted-by-bovine-in-vitro-produced-embryos
#20
Nicole Gross, Jenna Kropp, Hasan Khatib
Sexual dimorphism of bovine blastocysts has previously been observed through differences in development, cell death, metabolism, telomere length, DNA methylation, and transcriptomics. However, dimorphism in the secretion of miRNAs to culture media has not yet been evaluated. The objectives of this study were to determine if sex-specific blastocyst miRNA secretion occurs and to further investigate the role these miRNAs may have in the interaction between a blastocyst and the maternal environment. In vitro embryo culture was performed and media from male and female blastocysts was collected into sex-specific pools...
2017: Frontiers in Genetics
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