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https://www.readbyqxmd.com/read/28735896/argonaute-clip-defines-a-deregulated-mir-122-bound-transcriptome-that-correlates-with-patient-survival-in-human-liver-cancer
#1
Joseph M Luna, Juan M Barajas, Kun-Yu Teng, Hui-Lung Sun, Michael J Moore, Charles M Rice, Robert B Darnell, Kalpana Ghoshal
MicroRNA-122, an abundant and conserved liver-specific miRNA, regulates hepatic metabolism and functions as a tumor suppressor, yet systematic and direct biochemical elucidation of the miR-122 target network remains incomplete. To this end, we performed Argonaute crosslinking immunoprecipitation (Argonaute [Ago]-CLIP) sequencing in miR-122 knockout and control mouse livers, as well as in matched human hepatocellular carcinoma (HCC) and benign liver tissue to identify miRNA target sites transcriptome-wide in two species...
July 13, 2017: Molecular Cell
https://www.readbyqxmd.com/read/28734040/microrna-374a-promotes-hepatocellular-carcinoma-cell-proliferation-by-targeting-mitogen-inducible-gene-6-mig-6
#2
Hui Li, Huicheng Chen, Haibin Wang, Yilong Dong, Min Yin, Liang Zhang, Jia Wei
Hepatocellular carcinoma (HCC) is a dreadful disease with poor prognosis rates and ineffective therapeutic options. Previous studies have reported the involvement of mitogeninducible gene 6 (MIG-6) as a negative regulator in tumor formation. MicroRNAs (miRNAs) play crucial roles in the development of different types of cancer. However, the underlying mechanisms of miRNAs in HCC are poorly understood. This study was aimed to investigate the role of miR-374a in HCC and its role in regulation of expression of MIG-6...
July 21, 2017: Oncology Research
https://www.readbyqxmd.com/read/28732393/microrna-30a-suppresses-tumor-progression-by-blocking-ras-raf-mek-erk-signaling-pathway-in-hepatocellular-carcinoma
#3
Kun Zhou, Xiaoyu Luo, Yu Wang, Dachun Cao, Gang Sun
Emerging reports suggest microRNAs (miRNAs) play a vital role in the progression of malignant tumors. MiR-30a is downregulated in a variety of cancers and acts as a tumor suppressing gene. However, the molecular mechanisms of miRNA-30a in hepatocellular carcinoma (HCC) are still unclear. Hereby, in this study, we detected that miR-30a expression was significantly down-regulated in both HCC tissues compared with adjacent non-cancerous liver tissues, and we also observed that miR-30a expression was lower in HCC cell lines than that of normal controls...
July 17, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28716020/long-non-coding-rna-casc2-suppresses-epithelial-mesenchymal-transition-of-hepatocellular-carcinoma-cells-through-casc2-mir-367-fbxw7-axis
#4
Yufeng Wang, Zhikui Liu, Bowen Yao, Qing Li, Liang Wang, Cong Wang, Changwei Dou, Meng Xu, Qingguang Liu, Kangsheng Tu
BACKGROUND: Recently, it has been reported that long non-coding RNA (lncRNA) cancer susceptibility candidate 2 (CASC2), a novel tumor suppressor, participates in regulating the carcinogenesis and suppresses tumor progression by sponging microRNAs (miRNAs). However, the expression and function of CASC2 in hepatocellular carcinoma (HCC) remain unclear. METHODS: The expression of CASC2 and miR-367 in HCC specimens and cell lines were detected by real-time PCR. Western blotting and immunohistochemistry were carried out for detection of epithelial-to-mesenchymal transition (EMT) markers in HCC...
July 17, 2017: Molecular Cancer
https://www.readbyqxmd.com/read/28713968/inhibition-of-proliferation-and-invasion-of-hepatocellular-carcinoma-cells-by-lncrna-aslnc02525-silencing-and-the-mechanism
#5
Zi Chen, Dongwen Xu, Tao Zhang
One of the most differentially expressed long non-coding RNAs (lncRNAs) that we identified by high throughput screening from liver cancer and para-carcinoma tissues, ASLNC02525, was highly expressed in the tissues and cell lines of liver cancer but not in adjacent tissues or normal hepatic cells. Knockdown of ASLNC02525 in hepatocellular carcinoma cells inhibited the proliferation and invasion. In the process, expression level of transcription factor twist1 (twist‑related protein 1) was reduced, but no change at transcription level was observed...
July 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28704935/entrainment-of-breast-cell-lines-results-in-rhythmic-fluctuations-of-micrornas
#6
Rafael Chacolla-Huaringa, Jorge Moreno-Cuevas, Victor Trevino, Sean-Patrick Scott
Circadian rhythms are essential for temporal (~24 h) regulation of molecular processes in diverse species. Dysregulation of circadian gene expression has been implicated in the pathogenesis of various disorders, including hypertension, diabetes, depression, and cancer. Recently, microRNAs (miRNAs) have been identified as critical modulators of gene expression post-transcriptionally, and perhaps involved in circadian clock architecture or their output functions. The aim of the present study is to explore the temporal expression of miRNAs among entrained breast cell lines...
July 12, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28703810/microrna-148a-deficiency-promotes-hepatic-lipid-metabolism-and-hepatocarcinogenesis-in-mice
#7
Li Cheng, Yahui Zhu, Han Han, Qiang Zhang, Kaisa Cui, Hongxing Shen, Jinxiang Zhang, Jun Yan, Edward Prochownik, Youjun Li
miRNAs are involved in many physiologic and disease processes by virtue of degrading specific mRNAs or inhibiting their translation. miR-148a has been implicated in the control of tumor growth and cholesterol and triglyceride homeostasis using in vitro or in vivo gene expression- and silencing-based approaches. Here miR-148a knockout (KO) mice were used to investigate the intrinsic role of miR-148a in liver physiology and hepatocarcinogenesis in mice. miR-148a downregulation was found to be correlated with poor clinical outcomes in hepatocellular carcinoma (HCC) patients...
July 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28699915/circulating-mirnas-as-novel-diagnostic-biomarkers-in-hepatocellular-carcinoma-detection-a-meta-analysis-based-on-24-articles
#8
Yan Ding, Jia-Iai Yan, An-Ning Fang, Wei-Feng Zhou, Ling Huang
The diagnostic value and suitability of circulating miRNAs for the detection of hepatocellular carcinoma have been inconsistent in the literature. A meta-analysis to systematically evaluate the diagnostic value of circulating miRNAs. Eligible studies were selected and the heterogeneity was assessed by subgroup analysis, meta-regression, and publication bias. After strictly and comprehensive screening, the source methods, internal reference and the cut-off values of the included miRNAs were first listed. Circulating miRNAs demonstrated a relatively good diagnostic value in hepatocellular carcinoma, In the subgroup analysis, diagnosis odds ratio showed a higher accuracy with multiple miRNAs than with a single miRNA as well as with serum types than plasma types...
July 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28693260/microrna-expression-profiling-in-patients-with-hepatocellular-carcinoma-of-familial-aggregation-and-hepatitis-b-virus-infection
#9
Er-Lei Zhang, Jin Gu, Zun-Yi Zhang, Ke-Shuai Dong, Bin-Yong Liang, Zhi-Yong Huang
Numerous studies have suggested that microRNAs (miRNAs) potently affect hepatocarcinogenesis. However, the miRNA expression profiling in patients with hepatocellular carcinoma (HCC) of familial aggregation and hepatitis B virus (HBV) infection has not been elucidated. In the present study, the plasma miRNA expression profiles of 3 patients with HCC with familial aggregation of HCC and HBV infection and 1 healthy volunteer were examined by microarray analysis, in order to identify relevant miRNAs involved in the pathogenesis of HCC with familial aggregation and HBV infection...
July 2017: Oncology Letters
https://www.readbyqxmd.com/read/28685993/association-of-single-nucleotide-polymorphisms-in-micrornas-with-susceptibility-to-hepatitis-b-virus-infection-and-hbv-related-liver-complications-a-study-in-a-saudi-arabian-population
#10
Ahmed A Al-Qahtani, Mashael R Al-Anazi, Nyla Nazir, Kaiser Wani, Ayman A Abdo, Faisal M Sanai, Mohammed Q Khan, Hamad I Al-Ashgar, Ali Albenmousa, Waleed K Al-Hamoudi, Khalid A Alswat, Mohammed N Al-Ahdal
The aim of this study was to evaluate the association of 10 SNPs in different microRNAs (miRNAs) with susceptibility to hepatitis B virus (HBV) infection, HBV clearance, persistence of chronic HBV infection, and progression to liver cirrhosis and hepatocellular carcinoma (HCC). Patients were categorized into the following groups: inactive HBV carrier, active HBV carrier, HBV-cleared subject, and cirrhosis+HCC. Samples were analyzed for 10 SNPs in microRNAs using either PCR-based genotyping or the TaqMan assay...
July 7, 2017: Journal of Viral Hepatitis
https://www.readbyqxmd.com/read/28677785/microrna-345-inhibits-hepatocellular-carcinoma-metastasis-by-inhibiting-yap1
#11
Hui Zhang, Hui Liu, Huaqiang Bi
MicroRNAs (miRNAs) play critical roles in hepatocellular carcinoma (HCC). However, the expression and biological function of miR-345 in HCC remain unknown. The present study demonstrated that miR-345 expression was reduced in HCC tissues and cell lines. Decreased miR-345 expression was associated with unfavorable clinical features and poor prognosis. In vitro functional assays showed that miR-345 overexpression inhibited the migration and invasion of MHCC-97H cells while miR-345 knockdown promoted metastatic behavior of Hep3B cells...
June 30, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28677784/microrna-138-inhibits-cell-proliferation-in-hepatocellular-carcinoma-by-targeting-sirt1
#12
Jia Luo, Pan Chen, Wei Xie, Feiyue Wu
MicroRNAs (miRNAs) are a family of small, non‑coding RNA molecules that are highly conserved across species and function as regulators of gene expression. In the present study, we revealed that miR-138 expression was at a low level while sirtuin type 1 (Sirt1) mRNA expression was at high level in hepatocellular carcinoma tissues and cell lines by using real-time PCR and western blot assays, and the functions of miR-138 were achieved via targeting of Sirt1 using luciferase reporter gene vector and RNA immunoprecipitation assays...
July 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28670493/mir-874-inhibits-metastasis-and-epithelial-mesenchymal-transition-in-hepatocellular-carcinoma-by-targeting-sox12
#13
Tao Jiang, Lian-Yue Guan, Yan-Shuo Ye, Hong-Yu Liu, Rui Li
MicroRNA-874 (miR-874), a novel cancer-associated microRNA (miRNA), has been reported to play a suppressive role in multiple malignancies. However, its function in cell migration and invasion in hepatocellular carcinoma (HCC) and the mechanisms responsible remain unclear. Here, we found miR-874 to be significantly downregulated in HCC tissues and cell lines. Moreover, this decreased expression strongly correlated with clinical stage and lymph node metastasis. Accordingly, ectopic expression of miR-874 in HCC cells markedly inhibited their migration, invasion, and epithelial-mesenchymal transition (EMT)...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28667334/3-utr-polymorphisms-of-carbonic-anhydrase-ix-determine-the-mir-34a-targeting-efficiency-and-prognosis-of-hepatocellular-carcinoma
#14
Kuo-Tai Hua, Yu-Fan Liu, Chia-Lang Hsu, Tsu-Yao Cheng, Ching-Yao Yang, Jeng-Shou Chang, Wei-Jiunn Lee, Michael Hsiao, Hsueh-Fen Juan, Ming-Hsien Chien, Shun-Fa Yang
Carbonic anhydrase IX (CA9) expression level has been considered as a poor prognostic factor in hepatocellular carcinoma (HCC) patients. However, the judging criteria of CA9 level is hard to define for potential clinical applications. Unlike CA9 expression level, CA9 polymorphism is poorly documented in HCC. Here, we found that people carry A allele at CA9 rs1048638, a 3'UTR SNP, has higher risk of HCC. rs1048638-CA correlates with advanced stages, larger tumor sizes, more vascular invasion, and shorter survival of HCC patients...
June 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28667294/0404-inhibits-hepatocellular-carcinoma-through-a-p53-mir-34a-sirt1-positive-feedback-loop
#15
Caixia Xia, Liyan Shui, Guohua Lou, Bingjue Ye, Wei Zhu, Jing Wang, Shanshan Wu, Xiao Xu, Long Mao, Wanhong Xu, Zhi Chen, Yanning Liu, Min Zheng
DNA-damaging agents have been used in cancer chemotherapy for a long history. Unfortunately, chemotherapeutic treatment strategies against hepatocellular carcinoma (HCC) are still ineffective. We screened a novel DNA-damaging compound, designated as 0404, by using time-dependent cellular response profiling (TCRP) based on unique DNA-damage characteristics. We used human HCC cell lines and HCC xenograft mouse model to analyze the anti-cancer effects of 0404. Transcriptome and miRNA arrays were used to verify the anti-cancer mechanism of 0404...
June 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28666208/mir-542-3p-inhibits-metastasis-and-epithelial-mesenchymal-transition-of-hepatocellular-carcinoma-by-targeting-ube3c
#16
Jie Tao, Zhikui Liu, Yufeng Wang, Liang Wang, Bowen Yao, Qing Li, Cong Wang, Kangsheng Tu, Qingguang Liu
Accumulating evidence demonstrates that aberrant miRNAs contribute to hepatocellular carcinoma (HCC) development and progression. However, the roles of various miRNAs in HCC remain to be determined. In present research, we confirmed that a reduced miR-542-3p expression was present in HCC tissues and cell lines. Our clinical analysis revealed that the down-regulated miR-542-3p expression was significantly correlated with poor prognostic features including advanced TNM stage and venous infiltration. Moreover, we confirmed that miR-542-3p was a novel independent prognostic marker for predicting 5-year survival of HCC patients...
June 27, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28657540/identification-of-an-88-microrna-signature-in-whole-blood-for-diagnosis-of-hepatocellular-carcinoma-and-other-chronic-liver-diseases
#17
Xiao-Ran Long, Yao-Jun Zhang, Mei-Yin Zhang, Keng Chen, X F Steven Zheng, Hui-Yun Wang
Hepatocellular carcinoma (HCC) is a common cancer with very poor survival due to lack of reliable biomarker for early diagnosis. In this study, we investigated microRNA (miRNA) profile of whole blood with a custom microarray containing probes for 1849 miRNA species in a total 213 successive subjects who were divided into a discovery set and a validation set. An 88-miRNA signature was established to diagnose health controls (HC), chronic hepatitis B (CHB), liver cirrhosis (LC) and HCC with 100% accuracy in the discovery set using Fisher discriminant analysis...
June 27, 2017: Aging
https://www.readbyqxmd.com/read/28651018/meta-analysis-of-mirna-expression-profiles-for-prostate-cancer-recurrence-following-radical-prostatectomy
#18
Elnaz Pashaei, Elham Pashaei, Maryam Ahmady, Mustafa Ozen, Nizamettin Aydin
BACKGROUND: Prostate cancer (PCa) is a leading reason of death in men and the most diagnosed malignancies in the western countries at the present time. After radical prostatectomy (RP), nearly 30% of men develop clinical recurrence with high serum prostate-specific antigen levels. An important challenge in PCa research is to identify effective predictors of tumor recurrence. The molecular alterations in microRNAs are associated with PCa initiation and progression. Several miRNA microarray studies have been conducted in recurrence PCa, but the results vary among different studies...
2017: PloS One
https://www.readbyqxmd.com/read/28640074/bioinformatics-analysis-of-key-genes-and-pathways-for-hepatocellular-carcinoma-transformed-from-cirrhosis
#19
Bosheng He, Jianbing Yin, Shenchu Gong, Jinhua Gu, Jing Xiao, Weixiang Shi, Wenbin Ding, Ying He
OBJECTIVE: We aimed to identify some pivotal genes and pathways for hepatocellular carcinoma (HCC) transformation from cirrhosis and explore potential targets for treatment of the disease. METHODS: The GSE17548 microarray data were downloaded from Gene Expression Omnibus database, and 37 samples (20 cirrhosis and 17 HCC samples) were used for analysis. The differentially expressed genes (DEGs) in HCC tissues were compared with those in cirrhosis tissues and analyzed using the limma package...
June 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28639131/mirna-signature-of-hepatocellular-carcinoma-vascularization-how-the-controls-can-influence-the-signature
#20
Silvia Fittipaldi, Francesco Vasuri, Sonia Bonora, Alessio Degiovanni, Giacomo Santandrea, Alessandro Cucchetti, Laura Gramantieri, Luigi Bolondi, Antonia D'Errico
BACKGROUND: miRNA deregulation and vascular modifications constitute promising predictors in the study of hepatocellular carcinoma (HCC). In the literature, the relative miRNA abundance in HCC is usually determined using as control non-matched tumoral tissue, healthy liver, or cirrhotic liver. However, a common standard RNA control for the normalization toward the tissue gene expression was not settled yet. AIM: To assess the differences existing in the quantitative miRNA gene expression in HCC on tissue according to two different liver controls...
June 21, 2017: Digestive Diseases and Sciences
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