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https://www.readbyqxmd.com/read/29333092/role-of-apobec3h-in-the-viral-control-of-hiv-elite-controller-patients
#1
José M Benito, Julia Hillung, Clara Restrepo, José M Cuevas, Agathe León, Ezequiel Ruiz-Mateos, Rosario Palacios-Muñoz, Miguel Górgolas, Rafael Sanjuán, Norma Rallón
Background APOBEC3H (A3H) gene presents variation at 2 positions (rs139297 and rs79323350) leading to a non-functional protein. So far, there is no information on the role played by A3H in spontaneous control of HIV. The aim of this study was to evaluate the A3H polymorphisms distribution in a well-characterized group of Elite Controller (EC) subjects. Methods We analyzed the genotype distribution of two different SNPs (rs139297 and rs79323350) of A3H in 30 EC patients and compared with 11 non-controller (NC) HIV patients...
2018: International Journal of Medical Sciences
https://www.readbyqxmd.com/read/29331858/down-regulation-of-long-non-coding-rna-afap1-as1-inhibits-tumor-growth-promotes-apoptosis-and-decreases-metastasis-in-thyroid-cancer
#2
Wencheng Dai, Ye Tian, Bin Jiang, Weixian Chen
Long non-coding RNAs (lncRNAs), a new type of transcripts, play important roles in various cellular biological processes, involving tumorigenesis. Previous studies showed that lncRNA AFAP1-AS1 was aberrantly expressed in numerous cancers. Nevertheless, we know quite a little about the expression pattern and biological function of AFAP1-AS1 in thyroid cancer. In this study, we adopted the quantitative real-time PCR (qRT-PCR) to detect the expression of AFAP1-AS1 in thyroid cancer tissues. We discovered that expression of AFAP1-AS1 was increased in thyroid cancer tissues...
January 11, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29331478/comprehensive-analysis-of-lncrnas-and-mrnas-with-associated-co-expression-and-cerna-networks-in-c2c12-myoblasts-and-myotubes
#3
Rui Chen, Ting Jiang, Yanling She, Sidong Xie, Shanyao Zhou, Cheng Li, Jun Ou, Yulin Liu
Long non-coding RNAs (lncRNAs) are emerging as important regulators in the modulation of muscle development and muscle-related diseases. To explore potential regulators of muscle differentiation, we determined the expression profiles of lncRNAs and mRNAs in C2C12 mouse myoblast cell line using microarray analysis. Gene ontology and Kyoto Encyclopedia of Genes and Genomes pathway enrichment analyses were performed to explore their function. We also constructed co-expression, cis/trans-regulation, and competing endogenous RNA (ceRNA) networks with bioinformatics methods...
January 10, 2018: Gene
https://www.readbyqxmd.com/read/29331418/non-coding-rnas-in-cancer-stem-cells
#4
Huiwen Yan, Pengcheng Bu
Cancer stem cells (CSCs) have been shown to play a key role in tumor initiation, progression, metastasis, and therapy resistance. Despite their potential clinical importance, the mechanism of CSC regulation is not well understood. Recent evidence suggests that different types of non-coding RNAs (ncRNA), such as microRNA (miRNA) and long non-coding RNA (LncRNA), play a role in regulating CSC growth and replication by modulating transcription factors and downstream signaling pathways activated in CSCs. Here, we review the recent major findings about how they affect stem cell quality acquisition and maintenance in CSCs, as well as metastasis and therapy resistance...
January 10, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29330370/a-rna-sequencing-approach-for-the-identification-of-novel-long-non-coding-rna-biomarkers-in-colorectal-cancer
#5
Atsushi Yamada, Pingjian Yu, Wei Lin, Yoshinaga Okugawa, C Richard Boland, Ajay Goel
Long non-coding RNAs (lncRNAs) have been implicated in human pathology, however, their role in colorectal carcinogenesis have not been fully elucidated. In the current study, whole-transcriptome analysis was performed in 3 pairs of colorectal cancer (CRC) and matched normal mucosa (NM) by RNA sequencing (RNA-seq). Followed by confirmation using the Cancer Genome Atlas (TCGA) dataset, we identified 27 up-regulated and 22 down-regulated lncRNAs in CRC. Up-regulation of four lncRNAs, hereby named colorectal cancer associated lncRNA (CRCAL)-1 [AC021218...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330107/prostate-cancer-associated-lncrnas
#6
Yuichi Mitobe, Ken-Ichi Takayama, Kuniko Horie-Inoue, Satoshi Inoue
Long non-coding RNA (LncRNA) is defined as an RNA transcript that does not encode any protein, with a length longer than 200 nt. Based on the recent advances in high-throughput sequencing techniques, a large number of lncRNAs have been characterized as functional transcripts that play important roles in various biological processes as well as pathologic states. In a research field of prostate cancer, several key lncRNAs have been identified as new players that contribute to the pathophysiology of the disease, which is primarily regulated by androgen and its cognate receptor...
January 9, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29329034/long-non-coding-rna-ccat2-promotes-cholangiocarcinoma-cells-migration-and-invasion-by-induction-of-epithelial-to-mesenchymal-transition
#7
Yi Xu, Yue Yao, Wei Qin, Xiangyu Zhong, Xingming Jiang, Yunfu Cui
Cholangiocarcinoma (CCA) is one of the most aggressive malignancies in humans. Emerging evidence has indicated that abnormally expressed long non-coding RNAs (lncRNAs) could conduce to tumorigenesis and progression. Specifically, colon cancer-associated transcript 2 (CCAT2) has been reported to be overexpressed in several carcinomas. However, its clinical significance and functional roles in CCA is still unknown. qRT-PCR experiments were conducted to assess the CCAT2 expression in CCA tissue samples and cell lines...
January 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29328463/construction-and-investigation-of-lncrna-associated-cerna-regulatory-network-in-papillary-thyroid-cancer
#8
Yangjing Zhao, Hui Wang, Chengjiang Wu, Meina Yan, Haojie Wu, Jingzhe Wang, Xinxin Yang, Qixiang Shao
Increasing evidence has experimentally proved the competitive endogenous RNA (ceRNA) hypothesis that long non-coding RNA (lncRNA) can affect the expression of RNA targets by competitively combining microRNA (miRNA) via miRNA response elements. However, an extensive ceRNA network of thyroid carcinoma in a large cohort has not been evaluated. We analyzed the RNAseq and miRNAseq data of 348 cases of primary papillary thyroid cancer (PTC) patients with clinical information downloaded from The Cancer Genome Atlas (TCGA) project to search for potential biomarkers or therapeutic targets...
January 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328452/hif%C3%A2-1%C3%AE-%C3%A2-induced-upregulation-of-lncrna-uca1-promotes-cell-growth-in-osteosarcoma-by-inactivating-the-pten-akt-signaling-pathway
#9
Tengfei Li, Yang Xiao, Tunsheng Huang
Increasing evidence indicates that long non‑coding RNAs (lncRNAs) play an important role in multiple biological processes including cell growth, differentiation, proliferation and invasion. Urothelial carcinoma associated 1 (UCA1) is a highly conserved nuclear ncRNA and a key regulator of cell proliferation and apoptosis in several types of cancers. However, its role in osteosarcoma progression is not well known. In the present study, we aimed to determine the biological role of UCA1 in osteosarcoma progression...
January 3, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328410/cldn5-affects-lncrnas-acting-as-cerna-dynamics-contributing-to-regulating-blood%C3%A2-brain-barrier-permeability-in-tumor-brain-metastasis
#10
Shun-Chang Ma, Qi Li, Jia-Yi Peng, Jian-Long Zhouwen, Dai-Nan Zhang, Chuan-Bao Zhang, Wen-Guo Jiang, Wang Jia
The blood‑brain barrier (BBB) constitutes an efficient organization of tight junctions that limits the delivery of tumor to the brain. The principal tight junction protein in BBB is claudin‑5 (CLDN5), but its mechanism of action remains largely unknown. Long non‑coding RNAs (lncRNAs) are aberrantly expressed in many cancers, some lncRNAs play key roles in regulating BBB permeability and are involved in tumor brain metastasis. In particular, lncRNAs can function as competing endogenous RNAs (ceRNAs). Herein, we investigated whether ceRNA dysregulation is associated with alterations of the level of CLDN5 in human brain vascular endothelial hCMEC/D3 cells...
January 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328404/chronic-oxymatrine-treatment-induces-resistance-and-epithelial%C3%A2-mesenchymal-transition-through-targeting-the-long-non-coding-rna-malat1-in-colorectal-cancer-cells
#11
Yibai Xiong, Jun Wang, Huirong Zhu, Lingshuang Liu, Yi Jiang
A major reason for colorectal cancer (CRC) chemoresistance is the enhanced migration and invasion of cancer cells, such as the cell acquisition of epithelial-mesenchymal transition (EMT). Long non-coding RNA (lncRNA) metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) has been considered as a pro-oncogene in multiple cancers. However, the precise functional mechanism of lncRNA MALAT1 in chemoresistance and EMT is not well known. In the present study, we focused on the effect of oxymatrine on CRC cells and further investigated the role of MALAT1 in oxymatrine-induced resistance and EMT process...
January 10, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29328401/long-non-coding-rna-meg3-functions-as-a-tumour-suppressor-and-has-prognostic-predictive-value-in-human-pancreatic-cancer
#12
Ling Ma, Feng Wang, Chong Du, Zhengkui Zhang, Huahu Guo, Xuehai Xie, Hongqiao Gao, Yan Zhuang, Marko Kornmann, Hong Gao, Xiaodong Tian, Yinmo Yang
Long non-coding RNA (lncRNA) MEG3 has been demonstrated to be a tumour suppressor in many malignancies. However, the functional role of MEG3 in pancreatic cancer (PC) is unclear. In this study, the expression pattern of MEG3 was evaluated in 25 samples of microdissected PC tissues and 8 PC cell lines and was compared to the expression in adjacent non‑cancerous tissues and a human pancreatic normal epithelial cell line. Loss of MEG3 expression was observed in both the cancerous tissues and cancer cell lines...
January 2, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29327301/lncrna-gas8-as1-inhibits-cell-proliferation-through-atg5-mediated-autophagy-in-papillary-thyroid-cancer
#13
Yuan Qin, Wei Sun, Hao Zhang, Ping Zhang, Zhihong Wang, Wenwu Dong, Liang He, Ting Zhang, Liang Shao, Wenqian Zhang, Changhao Wu
PURPOSE: The long non-coding RNA GAS8 antisense RNA 1 (lncRNA GAS8-AS1) is a tumor suppressor in papillary thyroid cancer (PTC), but the mechanisms underlying how GAS8-AS1 regulates PTC biology remain unclear. Here, we evaluated the molecular function of GAS8-AS1 in regulating autophagy in PTC cell lines. METHODS: GAS8-AS1 was overexpressed and knocked down in PTC cell lines by transfecting with expression plasmids or short interfering RNAs (siRNAs). Cell proliferation was evaluated using the Cell Counting Kit-8 (CCK-8)...
January 11, 2018: Endocrine
https://www.readbyqxmd.com/read/29326108/short-term-risk-of-cardiovascular-readmission-following-a-hypertensive-disorder-of-pregnancy
#14
Jennifer L Jarvie, Torri D Metz, Melinda B Davis, Jessica C Ehrig, David P Kao
OBJECTIVE: Women with pregnancies complicated by hypertensive disorders of pregnancy (HDP) have increased long-term cardiovascular (CV) risk. We sought to determine if they demonstrate increased short-term CV risk. METHODS: Using administrative records, all hospital-based deliveries in Florida from 2004 to 2010 and subsequent readmission to any Florida hospital within 3 years of index delivery were identified. Deliveries and clinical diagnoses were determined using International Classification of Diseases, Ninth Revision, Clinical Modification codes...
January 11, 2018: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/29324704/dissection-of-myogenic-differentiation-signatures-in-chickens-by-rna-seq-analysis
#15
Tingting Li, Genxi Zhang, Pengfei Wu, Lian Duan, Guohui Li, Qiuhong Liu, Jinyu Wang
A series of elaborately regulated and orchestrated changes in gene expression profiles leads to muscle growth and development. In this study, RNA sequencing was used to profile embryonic chicken myoblasts and fused myotube transcriptomes, long non-coding RNAs (lncRNAs), and messenger RNAs (mRNAs) at four stages of myoblast differentiation. Of a total of 2484 lncRNA transcripts, 2288 were long intergenic non-coding RNAs (lincRNAs) and 198 were antisense lncRNAs. Additionally, 1530 lncRNAs were neighboring 2041 protein-coding genes (<10 kb upstream and downstream) and functionally enriched in several pathways related to skeletal muscle development that have been extensively studied, indicating that these genes may be in cis-regulatory relationships...
January 11, 2018: Genes
https://www.readbyqxmd.com/read/29324416/unsupervised-deep-hashing-with-pseudo-labels-for-scalable-image-retrieval
#16
Haofeng Zhang, Li Liu, Yang Long, Ling Shao
In order to achieve efficient similarity searching, hash functions are designed to encode images into low-dimensional binary codes with the constraint that similar features will have a short distance in the projected Hamming space. Recently, deep learning-based methods have become more popular, and outperform traditional non-deep methods. However, without label information, most state-of-the-art unsupervised deep hashing (DH) algorithms suffer from severe performance degradation for unsupervised scenarios. One of the main reasons is that the ad-hoc encoding process cannot properly capture the visual feature distribution...
April 2018: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/29324312/the-hypoxia-responsive-long-non-coding-rnas-may-impact-on-the-tumor-biology-and-subsequent-management-of-breast-cancer
#17
REVIEW
Andrea Kapinova, Peter Kubatka, Pavol Zubor, Olga Golubnitschaja, Zuzana Dankova, Sona Uramova, Ivana Pilchova, Martin Caprnda, Radka Opatrilova, Jan Richnavsky, Peter Kruzliak, Jan Danko
Long non-coding RNAs (lncRNAs) are DNA transcripts longer than 200 nucleotides without protein-coding potential. As they are key regulators of gene expression at chromatic, transcriptional and posttranscriptional level, they play important role in various biological and pathological processes. Dysregulation of lncRNAs has been observed in several diseases including cancer. Breast cancer is heterogeneous disease with many molecular subtypes specific in different prognosis and treatment responses. Hypoxia, a common micro-environmental feature of rapidly growing tumour is associated with metastases, recurrences and resistance to therapy...
January 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29323743/differential-expression-profile-of-long-non-coding-rnas-in-human-thoracic-aortic-aneurysm
#18
Yang Li, Yang Liu, Suxuan Liu, Feng Wu, Songhua Li, Fan Yang, Ying Gu, Guokun Wang, Zhiyun Xu
Thoracic aortic aneurysm (TAA) is progressive fatal aortic pathological dilation, which is characterized by increased proteoglycans and loss of elastic fibers. Recent advances on long non-coding RNAs (lncRNAs), an important regulator in many biological processes, suggested the close correlation between expression patterns and disease progression. In the present study, the ascending aortic tissues were collected from ascending TAA patients (n = 33) and organ donors (n = 16). Microarray analysis and real-time PCR were then applied to detect the lncRNA expression profiles...
January 11, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29323740/long-non-coding-rna-asbel-promotes-osteosarcoma-cell-proliferation-migration-and-invasion-by-regulating-microrna-21
#19
Jianhui Zhao, Zhongli Gao, Chao Zhang, Han Wu, Rui Gu, Rui Jiang
Osteosarcoma is the most common malignant bone tumor in children and adolescents with high rate of incidence, high frequency of recurrence and high degree of metastasis. This study aimed to investigate the effects of long noncoding RNA antisense ncRNA in the Abundant in neuroepithelium area (ANA)/B-cell translocation gene 3 (BTG3) locus (lncRNA ASBEL) on the pathogenesis of osteosarcoma. The expression levels of ASBEL in human osteoblast cells and human osteosarcoma cells were evaluated using qRT-PCR. Effects of ASBEL knockdown on cell viability, migration and invasion were detected using trypan blue exclusion assay, cell migration and invasion assay, respectively...
January 11, 2018: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29323737/mir-15b-hotair-p53-form-a-regulatory-loop-that-affects-the-growth-of-glioma-cells
#20
Guan Sun, Yingyi Wang, Junxia Zhang, Ning Lin, Yongping You
Among the malignant tumors of the human central nervous system, gliomas have the highest incidence and recurrence rate. Therefore, exploration of the molecular mechanism that underlies the development and progression of gliomas is of great clinical significance. Many studies have demonstrated that long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) play important roles in the development and progression of tumors. In the present study, both an RNAhybrid analysis and a dual-luciferase reporter gene assay confirmed that microRNA-15b (miR-15b) binding sites were present in the sequence of HOX transcript antisense RNA (HOTAIR)...
January 11, 2018: Journal of Cellular Biochemistry
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