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https://www.readbyqxmd.com/read/29345294/hypoxia-stimulates-the-cytoplasmic-localization-of-oncogenic-long-noncoding-rna-linc00152-in-colorectal-cancer
#1
Yujiro Nishizawa, Masamitsu Konno, Ayumu Asai, Jun Koseki, Koichi Kawamoto, Norikatsu Miyoshi, Hidekazu Takahashi, Naohiro Nishida, Naotsugu Haraguchi, Daisuke Sakai, Toshihiro Kudo, Taishi Hata, Chu Matsuda, Tsunekazu Mizushima, Taroh Satoh, Yuichiro Doki, Masaki Mori, Hideshi Ishii
Recent studies have indicated that long noncoding RNAs (lncRNAs) play a pivotal role in almost all physiological cellular processes, including every stage of cancer development. Given that hypoxia in the tumor microenvironment is involved in the malignant behavior of tumors, such as invasion and metastasis, we investigated the cytoplasmic and nuclear localization of lncRNAs in colorectal cancer cells. A cell culture under hypoxic conditions revealed several lncRNAs, such as LINC00152, whose levels were increased in the cytoplasm of colorectal cancer cells...
February 2018: International Journal of Oncology
https://www.readbyqxmd.com/read/29344506/micrornas-in-renal-diseases-a-potential-novel-therapeutic-target
#2
Federica Petrillo, Anna Iervolino, Miriam Zacchia, Adelina Simeoni, Cristina Masella, Giovanna Capolongo, Alessandra Perna, Giovambattista Capasso, Francesco Trepiccione
Background: MicroRNAs (miRNAs) are a family of short noncoding RNAs that play important roles in posttranscriptional gene regulation. miRNAs inhibit target gene expression by blocking protein translation or by inducing mRNA degradation and therefore have the potential to modulate physiological and pathological processes. Summary: In the kidney, miRNAs play a role in the organogenesis and in the pathogenesis of several diseases, including renal carcinoma, diabetic nephropathy, cystogenesis, and glomerulopathies...
December 2017: Kidney Diseases
https://www.readbyqxmd.com/read/29344431/noncoding-rnas-in-wound-healing-a-new-and-vast-frontier
#3
REVIEW
Anna Luan, Michael S Hu, Tripp Leavitt, Elizabeth A Brett, Kevin C Wang, Michael T Longaker, Derrick C Wan
Significance: Wound healing requires a highly orchestrated coordination of processes that are not yet fully understood. Therefore, available clinical therapies are thus far limited in their efficacy in preventing and treating both chronic wounds and scars. Current gene-based therapeutics is largely based on our understanding of the protein-coding genome and proteins involved in known wound healing pathways. Recent Advances: Noncoding RNAs such as microRNAs and long noncoding RNAs have recently been found to be significant modulators of gene expression in diverse cellular pathways...
January 1, 2018: Advances in Wound Care
https://www.readbyqxmd.com/read/29344287/role-of-mir-483-in-digestive-tract-cancers-from-basic-research-to-clinical-value
#4
REVIEW
Wei Zhou, Wanli Yang, Jiaojiao Ma, Hongwei Zhang, Zeng Li, Lei Zhang, Jinqiang Liu, Zhenyu Han, Hu Wang, Liu Hong
Digestive tract cancers (DTCs) is the most common malignant tumors in the world. Despite surgery and medical technology have witnessed the increasing development and sharp advancement in the past decade, DTCs remain a critical concern with high morbidity and mortality. Since a class of small noncoding RNAs termed miRNAs were identified several years ago, increasing studies have attempted to illustrate the relationship between the specific miRNAs dysregulated expression levels and the diseases phenotypic changes...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29344285/long-noncoding-rna-h19-derived-mir-675-regulates-cell-proliferation-by-down-regulating-e2f-1-in-human-pancreatic-ductal-adenocarcinoma
#5
Ling Ma, Xiaodong Tian, Huahu Guo, Zhengkui Zhang, Chong Du, Feng Wang, Xuehai Xie, Hongqiao Gao, Yan Zhuang, Marko Kornmann, Hong Gao, Yinmo Yang
The long noncoding RNA (lncRNA) H19 has been proven to be overexpressed in human pancreatic ductal adenocarcinoma (PDAC). H19-induced PDAC cell proliferation is cell cycle-dependent by modulating E2F-1. However, the mechanism of how H19 regulates E2F-1 remains unclear. In this study, we investigated the expression of miR-675 in PDAC tumours and cells, the biological function of miR-675 in PDAC cell proliferation and the possible relationship among H19, miR-675 and E2F-1. As a transcript of the first exon of H19, the level of miR-675 was negatively correlated with H19 expression in microdissected PDAC tissues (r=-0...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29344284/mir-149-in-human-cancer-a-systemic-review
#6
REVIEW
Yunjie He, Dandan Yu, Lingping Zhu, Shanliang Zhong, Jianhua Zhao, Jinhai Tang
MicroRNAs (miRNAs) are small noncoding RNAs that regulate post-transcriptional gene expression via binding to the 3'-untranslated region (3'-UTR) of targeted mRNAs. They are reported to play important roles in tumorigenesis and progression of various cancers. Among them, miR-149 was confirmed to be aberrantly regulated in various tumors. In this review, we provide a complex overview of miR-149, particularly summarize the critical roles of it in cancers and expect to lay the foundation for future works on this important microRNA...
2018: Journal of Cancer
https://www.readbyqxmd.com/read/29344104/x-inactive-specific-transcript-of-peripheral-blood-cells-is-regulated-by-exosomal-jpx-and-acts-as-a-biomarker-for-female-patients-with-hepatocellular-carcinoma
#7
Xiang Ma, Tingdong Yuan, Chao Yang, Zusen Wang, Yunjin Zang, Liqun Wu, Likun Zhuang
Background: Long noncoding ribonucleic acid (lncRNA) X-inactive-specific transcript (Xist) was reported to affect cell proliferation and metastasis in hepatocellular carcinoma (HCC). However, there are rare reports focusing on the diagnostic evaluation and regulatory mechanism of Xist expression from peripheral blood cells of patients with HCC. Methods: In this study, a cohort of 206 female participants including healthy volunteers (HVs) and patients with chronic hepatitis B (CHB), cirrhosis and HCC was recruited...
November 2017: Therapeutic Advances in Medical Oncology
https://www.readbyqxmd.com/read/29343207/genome-wide-analysis-identified-a-number-of-dysregulated-long-noncoding-rna-lncrna-in-human-pancreatic-ductal-adenocarcinoma
#8
Sijie Hao, Lie Yao, Jiaxin Huang, Hang He, Feng Yang, Yang Di, Chen Jin, Deliang Fu
BACKGROUND: Long noncoding RNAs have been shown to play crucial roles in cancer biology, while the long noncoding RNA landscapes of pancreatic ductal adenocarcinoma have not been completely characterized. We aimed to determine whether long noncoding RNA could serve as early diagnostic biomarkers for pancreatic ductal adenocarcinoma. METHOD: We conducted a genome-wide microarray analysis on pancreatic ductal adenocarcinoma and their adjacent noncancerous tissues from 8 Chinese patients...
January 1, 2018: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29343005/-role-of-long-noncoding-rna-in-chronic-hepatitis-b-infection
#9
M Zhao, Z Z Zhang, Q B Liu
No abstract text is available yet for this article.
January 2, 2018: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29342094/telomeric-repeat-containing-rnas-terra-decrease-in-squamous-cell-carcinoma-of-the-head-and-neck-is-associated-with-worsened-clinical-outcome
#10
Valerio Vitelli, Paolo Falvo, Solomon G Nergadze, Marco Santagostino, Lela Khoriauli, Paola Pellanda, Giulia Bertino, Antonio Occhini, Marco Benazzo, Patrizia Morbini, Marco Paulli, Camillo Porta, Elena Giulotto
Telomeres are transcribed into noncoding telomeric repeat-containing RNAs (TERRA), which are essential for telomere maintenance. Deregulation of TERRA transcription impairs telomere metabolism and a role in tumorigenesis has been proposed. Head and neck cancer (HNC) is one of the most frequent cancers worldwide, with head and neck squamous cell carcinoma (HNSCC) being the predominant type. Since HNSCC patients are characterized by altered telomere maintenance, a dysfunction in telomere transcription can be hypothesized...
January 17, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29341928/a-novel-brown-adipocyte-enriched-long-non-coding-rna-that-is-required-for-brown-adipocyte-differentiation-and-sufficient-to-drive-thermogenic-gene-program-in-white-adipocytes
#11
Yan Xiong, Feng Yue, Zhihao Jia, Yun Gao, Wen Jin, Keping Hu, Yong Zhang, Dahai Zhu, Gongshe Yang, Shihuan Kuang
The thermogenic activities of brown and beige adipocytes can be exploited to reduce energy surplus and counteract obesity. Recent RNA sequencing studies have uncovered a number of long noncoding RNAs (lncRNAs) uniquely expressed in white and brown adipose tissues (WAT and BAT), but whether and how these lncRNAs function in adipogenesis remain largely unknown. Here, we report the identification of a novel brown adipocyte-enriched LncRNA (AK079912), and its nuclear localization, function and regulation. The expression of AK079912 increases during brown preadipocyte differentiation and in response to cold-stimulated browning of white adipocytes...
January 13, 2018: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29341475/microrna-664a-5p-promotes-neuronal-differentiation-of-sh-sy5y-cells
#12
Kazunori Watanabe, Ryuhei Yamaji, Takashi Ohtsuki
MicroRNAs (miRNAs) belong to a class of small noncoding RNAs that play important roles in the translational regulation of gene expression. A number of miRNAs are known to act as key regulators of diverse processes such as neuronal differentiation. In this study, we have attempted to identify novel miRNAs related to neuronal differentiation via microarray analysis in the human neuronal differentiation model neuroblastoma SH-SY5Y cells. We identified 15 up-regulated and eight down-regulated miRNAs in SH-SY5Y cells treated with all-trans retinoic acid to induce differentiation...
January 17, 2018: Genes to Cells: Devoted to Molecular & Cellular Mechanisms
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
#13
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/29340026/evaluating-the-bias-of-circrna-predictions-from-total-rna-seq-data
#14
Jinzeng Wang, Kang Liu, Ya Liu, Qi Lv, Fan Zhang, Haiyun Wang
CircRNAs are a group of endogenous noncoding RNAs. The quickly developing high throughput RNA sequencing technologies along with novel bioinformatics approaches have enabled researchers to systematically identify circRNAs and their biological functions in cells. Deep sequencing of rRNA-depleted RNAs treated with RNase R, which digests linear RNAs and leaves circRNAs enriched, is an efficient way to identify circRNAs. However, very few of RNase R treated data are at hand but a large amount of total RNA-Seq data with no sequencing costs is available, for circRNA predictions...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29339533/learning-dependent-chromatin-remodeling-highlights-noncoding-regulatory-regions-linked-to-autism
#15
John N Koberstein, Shane G Poplawski, Mathieu E Wimmer, Giulia Porcari, Charlly Kao, Bruce Gomes, Davide Risso, Hakon Hakonarson, Nancy R Zhang, Robert T Schultz, Ted Abel, Lucia Peixoto
Autism spectrum disorder (ASD) is a prevalent neurodevelopmental disorder that is associated with genetic risk factors. Most human disease-associated single-nucleotide polymorphisms (SNPs) are not located in genes but rather are in regulatory regions that control gene expression. The function of regulatory regions is determined through epigenetic mechanisms. Parallels between the cellular basis of development and the formation of long-term memory have long been recognized, particularly the role of epigenetic mechanisms in both processes...
January 16, 2018: Science Signaling
https://www.readbyqxmd.com/read/29339519/evidence-for-convergent-evolution-of-sine-directed-staufen-mediated-mrna-decay
#16
Bronwyn A Lucas, Eitan Lavi, Lily Shiue, Hana Cho, Sol Katzman, Keita Miyoshi, Mikiko C Siomi, Liran Carmel, Manuel Ares, Lynne E Maquat
Primate-specific Alu short interspersed elements (SINEs) as well as rodent-specific B and ID (B/ID) SINEs can promote Staufen-mediated decay (SMD) when present in mRNA 3'-untranslated regions (3'-UTRs). The transposable nature of SINEs, their presence in long noncoding RNAs, their interactions with Staufen, and their rapid divergence in different evolutionary lineages suggest they could have generated substantial modification of posttranscriptional gene-control networks during mammalian evolution. Some of the variation in SMD regulation produced by SINE insertion might have had a similar regulatory effect in separate mammalian lineages, leading to parallel evolution of the Staufen network by independent expansion of lineage-specific SINEs...
January 16, 2018: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29339256/the-pbii-gene-of-the-human-salivary-proline-rich-protein-p-b-produces-another-protein-q504x8-with-an-opiorphin-homolog-qrgpr
#17
Eiichi Saitoh, Takuya Sega, Akane Imai, Satoko Isemura, Tetsuo Kato, Akihito Ochiai, Masayuki Taniguchi
OBJECTIVES: The NCBI gene database and human-transcriptome database for alternative splicing were used to determine the expression of mRNAs for P-B (SMR3B) and variant form of P-B. The translational product from the former mRNA was identified as the protein named P-B, whereas that from the latter has not yet been elucidated. In the present study, we investigated the expression of P-B and its variant form at the protein level. DESIGN: To identify the variant protein of P-B, (1) cationic proteins with a higher isoelectric point in human pooled whole saliva were purified by a two dimensional liquid chromatography; (2) the peptide fragments generated from the in-solution of all proteins digested with trypsin separated and analyzed by MALDI-TOF-MS; and (3) the presence or absence of P-B in individual saliva was examined by 15% SDS-PAGE...
January 10, 2018: Archives of Oral Biology
https://www.readbyqxmd.com/read/29336373/advances-of-long-noncoding-rnas-mediated-regulation-in-reproduction
#18
REVIEW
Kang-Sheng Liu, Tai-Ping Li, Hua Ton, Xiao-Dong Mao, Ya-Jun Chen
OBJECTIVE: Advances in genomics and molecular biology have led to the discovery of a large group of uncharacterized long noncoding RNAs (lncRNAs). Emerging evidence indicated that many lncRNAs function in multiple biological processes and its dysregulation often causes diseases. Recent studies suggested that almost all regulatory lncRNAs interact with biological macromolecules such as DNA, RNA, and protein. LncRNAs regulate gene expression mainly on three levels, including epigenetic modification, transcription, and posttranscription, through DNA methylation, histone modification, and chromatin remodeling...
January 20, 2018: Chinese Medical Journal
https://www.readbyqxmd.com/read/29335603/in-vivo-simultaneous-transcriptional-activation-of-multiple-genes-in-the-brain-using-crispr-dcas9-activator-transgenic-mice
#19
Haibo Zhou, Junlai Liu, Changyang Zhou, Ni Gao, Zhiping Rao, He Li, Xinde Hu, Changlin Li, Xuan Yao, Xiaowen Shen, Yidi Sun, Yu Wei, Fei Liu, Wenqin Ying, Junming Zhang, Cheng Tang, Xu Zhang, Huatai Xu, Linyu Shi, Leping Cheng, Pengyu Huang, Hui Yang
Despite rapid progresses in the genome-editing field, in vivo simultaneous overexpression of multiple genes remains challenging. We generated a transgenic mouse using an improved dCas9 system that enables simultaneous and precise in vivo transcriptional activation of multiple genes and long noncoding RNAs in the nervous system. As proof of concept, we were able to use targeted activation of endogenous neurogenic genes in these transgenic mice to directly and efficiently convert astrocytes into functional neurons in vivo...
January 15, 2018: Nature Neuroscience
https://www.readbyqxmd.com/read/29335535/a-multi-omics-study-of-the-grapevine-downy-mildew-plasmopara-viticola-pathosystem-unveils-a-complex-protein-coding-and-noncoding-based-arms-race-during-infection
#20
Matteo Brilli, Elisa Asquini, Mirko Moser, Pier Luigi Bianchedi, Michele Perazzolli, Azeddine Si-Ammour
Fungicides are applied intensively to prevent downy mildew infections of grapevines (Vitis vinifera) with high impact on the environment. In order to develop alternative strategies we sequenced the genome of the oomycete pathogen Plasmopara viticola causing this disease. We show that it derives from a Phytophthora-like ancestor that switched to obligate biotrophy by losing genes involved in nitrogen metabolism and γ-Aminobutyric acid catabolism. By combining multiple omics approaches we characterized the pathosystem and identified a RxLR effector that trigger an immune response in the wild species V...
January 15, 2018: Scientific Reports
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