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https://www.readbyqxmd.com/read/29146581/long-noncoding-rnas-emerging-players-in-thyroid-cancer-pathogenesis
#1
Avaniyapuram Kannan Murugan, Munirajan Arasambattu Kannan, Ali S Alzahrani
Thyroid cancer continues to be the most common malignancy of endocrine glands. The incidence of thyroid cancer rises significantly over the past 4 decades and emerges as a major health issue. In recent years, a significant progress has been achieved in our understanding of molecular mechanisms of thyroid carcinogenesis, resulting in significant diagnostic, prognostic and therapeutic implications; yet, it has not reached a satisfactory level. Identifying novel molecular therapeutic targets and molecules for diagnosis and prognosis are expected to advance the overall management of this common malignancy...
November 16, 2017: Endocrine-related Cancer
https://www.readbyqxmd.com/read/29145193/huaier-extract-inhibits-breast-cancer-progression-through-a-lncrna-h19-mir-675-5p-pathway
#2
Jijun Wang, Xiaolong Wang, Tong Chen, Liyu Jiang, Qifeng Yang
BACKGROUND/AIMS: Increasing evidence indicates that Huaier extract has promising therapeutic effects against cancer. However, the mechanisms that underlie its anti-tumor effects remain unclear. In recent years, various studies have shown that long noncoding RNAs (lncRNAs) play a critical role in the regulation of cancer development and progression. Here, we explored the role of lncRNAs in Huaier-induced tumor suppression. METHODS: Microarray profiling was performed to identify the candidate lncRNAs affected by Huaier extract...
November 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29143996/long-non-coding-rna-h19-suppresses-retinoblastoma-progression-via-counteracting-mir-17-92-cluster
#3
Aihui Zhang, Weiwei Shang, Qiaoli Nie, Ting Li, Suhui Li
Long non-coding RNAs (lncRNAs) are frequently dysregulated and play important roles in many cancers. lncRNA H19 is one of the earliest discovered lncRNAs which has diverse roles in different cancers. However, the expression, roles, and action mechanisms of H19 in retinoblastoma are still largely unknown. In this study, we found that H19 is downregulated in retinoblastoma tissues and cell lines. Gain-of-function and loss-of-function assays showed that H19 inhibits retinoblastoma cell proliferation, induces retinoblastoma cell cycle arrest and cell apoptosis...
November 16, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29140550/lncrna-h19-interacts-with-polypyrimidine-tract-binding-protein-1-to-reprogram-hepatic-lipid-homeostasis
#4
Chune Liu, Zhihong Yang, Jianguo Wu, Li Zhang, Sangmin Lee, Dong-Ju Shin, Melanie Tran, Li Wang
H19 is an imprinted long non-coding RNA abundantly expressed in embryonic liver and repressed after birth. Here we show that H19 serves as a lipid sensor by synergizing with RNA-binding protein PTBP1 to modulate hepatic metabolic homeostasis. H19RNA interacts with PTBP1 to facilitate its association with SREBP1c mRNA and protein, leading to increased stability and nuclear transcriptional activity. H19 and PTBP1 are upregulated by fatty acids in hepatocytes and in diet-induced fatty liver, which further augments lipid accumulation...
November 15, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29137430/genome-wide-analysis-and-functional-prediction-of-long-non-coding-rnas-in-mouse-uterus-during-the-implantation-window
#5
Qi Wang, Nan Wang, Rui Cai, Fan Zhao, Yongjie Xiong, Xiao Li, Aihua Wang, Pengfei Lin, Yaping Jin
Establishment of the receptive uterus is a crucial step for embryo implantation. In this study, the expression profiles and characterization of long non-coding RNAs (lncRNAs) in pregnant mouse uteri on day 4, day 5 at implantation sites and inter-implantation sites were conducted using RNA-seq. A total of 7,764 putative lncRNA transcripts were identified, including 6,179 known lncRNA transcripts and 1,585 novel lncRNA transcripts. Bioinformatics analysis of the cis and trans lncRNA targets showed that the differentially expressed lncRNAs were mainly involved in tissue remodelling, immune response and metabolism-related processes, indicating that lncRNAs could be involved in the regulation of embryo implantation...
October 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/29136648/imprinting-alterations-in-sperm-may-not-significantly-influence-art-outcomes-and-imprinting-patterns-in-the-cord-blood-of-offspring
#6
Li Tang, Zichao Liu, Ruopeng Zhang, Cunmei Su, Wenjuan Yang, Youlin Yao, Shuhua Zhao
An increase in imprinting disorders in children conceived though assisted reproductive technologies (ARTs) has been the subject of several reports. The transmission of imprinting errors from the sperm of infertile fathers is believed to be a possible reason for the increased occurrence of these disorders. However, whether the imprinting alterations in sperm affect ART outcomes and the imprinting of offspring is unclear. In the current study, we analyzed the methylation of H19, SNRPN and KCNQ1OT1 by pyrosequencing sperm samples from 97 infertile patients and 31 proven fertile males as well as cord blood samples from 13 infantswho were conceived by infertile parents through intracytoplasmic sperm injection (ICSI) and 30 healthy newborns who were conceived naturally...
2017: PloS One
https://www.readbyqxmd.com/read/29110299/long-non-coding-rna-malat1-expression-in-patients-with-gestational-diabetes-mellitus
#7
Yisheng Zhang, Hangyu Wu, Fuyan Wang, Mei Ye, Hong Zhu, Shizhong Bu
OBJECTIVE: To monitor expression of long non-coding RNAs (lncRNAs) and changes in metabolic profiles among patients with gestational diabetes mellitus (GDM). METHODS: A retrospective case-control study was conducted using data for women treated at a hospital in China between October 8, 2014, and April 15, 2015. The cases were women diagnosed with GDM using an oral glucose tolerance test at 24-28 weeks of pregnancy (n=50). The controls comprised pregnant women without GDM (n=47)...
November 6, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/29106390/glycolysis-gatekeeper-pdk1-reprograms-breast-cancer-stem-cells-under-hypoxia
#8
F Peng, J-H Wang, W-J Fan, Y-T Meng, M-M Li, T-T Li, B Cui, H-F Wang, Y Zhao, F An, T Guo, X-F Liu, L Zhang, L Lv, D-K Lv, L-Z Xu, J-J Xie, W-X Lin, E W-F Lam, J Xu, Q Liu
Glycolysis is critical for cancer stem cell reprogramming; however, the underlying regulatory mechanisms remain elusive. Here, we show that pyruvate dehydrogenase kinase 1 (PDK1) is enriched in breast cancer stem cells (BCSCs), whereas depletion of PDK1 remarkably diminishes ALDH(+) subpopulations, decreases stemness-related transcriptional factor expression, and inhibits sphere-formation ability and tumor growth. Conversely, high levels of PDK1 enhance BCSC properties and are correlated with poor overall survival...
November 6, 2017: Oncogene
https://www.readbyqxmd.com/read/29102116/secretion-of-the-shiga-toxin-b-subunit-stx1b-via-an-autotransporter-protein-optimizes-the-protective-immune-response-to-the-antigen-expressed-in-an-attenuated-e-coli-repec-e22%C3%AE-ler-vaccine-strain
#9
Wyatt Byrd, Fernando Ruiz-Perez, Prashanth Setty, Chengru Zhu, Edgar C Boedeker
We previously developed attenuated rabbit enteropathogenic E. coli (rEPEC) strains which are effective oral vaccines against their parent pathogens by deleting ler, a global regulator of virulence genes. To use these strains as orally administered vectors to deliver other antigens we incorporated the B subunit of shiga-like toxin 1(Stx1) into the passenger domain of the autotransporter EspP expressed on a plasmid. Native EspP enters the periplasm where its passenger domain is exported to the bacterial surface through an outer membrane channel formed by its translocator domain, then cleaved and secreted...
November 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/29099871/the-role-of-h19-a-long-non-coding-rna-in-mouse-liver-postnatal-maturation
#10
Chad Pope, Stephanie C Piekos, Liming Chen, Shashank Mishra, Xiao-Bo Zhong
H19 RNA is highly expressed at early postnatal ages and precipitously decreases at a specific time corresponding with increases in expression of genes important for mature liver function, such as drug metabolizing enzymes. H19's role in the regulation of liver maturation is currently unknown. Using an H19 knockout mouse model to determine the role of H19 in liver development, we quantified gene expression for insulin growth factor signaling, Wnt signaling, key cytochrome P450 (P450) enzymes known to change as the liver develops, and fetal and adult plasma protein produced in liver...
2017: PloS One
https://www.readbyqxmd.com/read/29099749/regulation-of-human-breast-cancer-by-the-long-non-coding-rna-h19
#11
REVIEW
Jordan Collette, Xuefen Le Bourhis, Eric Adriaenssens
Breast cancer is one of the most common causes of cancer related deaths in women. Despite the progress in early detection and use of new therapeutic targets associated with development of novel therapeutic options, breast cancer remains a major problem in public health. Indeed, even if the survival rate has improved for breast cancer patients, the number of recurrences within five years and the five-year relative survival rate in patients with metastasis remain dramatic. Thus, the discovery of new molecular actors involved in breast progression is essential to improve the management of this disease...
November 3, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29081343/lncrna-h19-and-target-gene-mediated-cleft-palate-induced-by-tcdd
#12
Li Yun Gao, Feng Quan Zhang, Wei Hui Zhao, Guang Liang Han, Xiao Wang, Qiang Li, Shan Shan Gao, Wei Dong Wu
This study investigated the role of long non-coding RNAs (lncRNAs) in the development of the palatal tissues. Cleft palates in mice were induced by 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD). Expression levels of long non-coding RNA H19 (lncRNA H19) and insulin-like growth factor 2 (IGF2) gene were measured by quantitative real-time polymerase chain reaction (qRT-PCR). The rate of occurrence of cleft palate was found to be 100% by TCDD exposure, and TCDD could cause short upper limb, cerebral fissure, webbed neck, and short neck...
September 2017: Biomedical and Environmental Sciences: BES
https://www.readbyqxmd.com/read/29076549/dna-methylation-and-expression-of-imprinted-genes-are-associated-with-the-viability-of-different-sexual-cloned-buffaloes
#13
Z Ruan, X Zhao, X Qin, C Luo, X Liu, Y Deng, P Zhu, Z Li, B Huang, D Shi, F Lu
The DNA methylation of imprinted genes is an important way to regulate epigenetic reprogramming of donor cells in somatic cell nuclear transfer (SCNT). However, the effects of sexual distinction on the DNA methylation of imprinted genes in cloned animals have seldom been reported. In this study, we analysed the DNA methylation status of three imprinted genes (Xist, IGF2 and H19) from liveborn cloned buffaloes (L group, three female and three male), stillborn cloned buffaloes (S group, three female and three male) and natural reproduction buffaloes (N group, three female and three male), using bisulphite sequencing polymerase chain reaction (BS-PCR)...
October 27, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29070884/telmisartan-activates-ppar%C3%AE-to-improve-symptoms-of-unpredictable-chronic-mild-stress-induced-depression-in-mice
#14
Yingxiao Li, Kai-Chun Cheng, Keng-Fan Liu, Wen-Huang Peng, Juei-Tang Cheng, Ho-Shan Niu
Major depression is a common mental disorder that has been established to be associated with a decrease in serotonin and/or serotonin transporters in the brain. Peroxisome proliferator-activated receptor δ (PPARδ) has been introduced as a potential target for depression treatment. Telmisartan was recently shown to activate PPARδ expression; therefore, the effectiveness of telmisartan in treating depression was investigated. In unpredictable chronic mild stress (UCMS) model, treatment with telmisartan for five weeks notably decrease in the time spent in the central and the reduced frequency of grooming and rearing in open filed test (OFT) and the decreased sucrose consumption in sucrose preference test (SPT) compared with the paradigms...
October 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29069793/imprinting-disorder-in-donor-cells-is-detrimental-to-the-development-of-cloned-embryos-in-pigs
#15
Xuexiong Song, Fangzheng Li, Zhongling Jiang, Yueping Sun, Huatao Li, Shansong Gao, Liping Zhang, Binghua Xue, Guimin Zhao, Jingyu Li, Zhonghua Liu, Hongbin He, Yanjun Huan
Imprinting disorder during somatic cell nuclear transfer usually leads to the abnormality of cloned animals and low cloning efficiency. However, little is known about the role of donor cell imprinting in the development of cloned embryos. Here, we demonstrated that the imprinting (H19/Igf2) in porcine fetus fibroblasts derived from the morphologically abnormal cloned fetuses (the abnormal imprinting group) was more hypomethylated, and accordingly, significantly higher H19 transcription and lower Igf2 expression occurred in comparison with those in fibroblasts derived from morphologically normal cloned fetuses (the normal imprinting group) or donor fetus fibroblasts (the control group)...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/29062612/lncrna-h19-is-involved-in-tgf-%C3%AE-1-induced-epithelial-to-mesenchymal-transition-in-bovine-epithelial-cells-through-pi3k-akt-signaling-pathway
#16
Wei Yang, Xuezhong Li, Shaopei Qi, Xueru Li, Kun Zhou, Suzhu Qing, Yong Zhang, Ming-Qing Gao
Increased levels of long noncoding RNA H19 (H19) have been observed in many inflammatory and organ fibrosis diseases including ulcerative colitis, osteoarthritis, liver fibrosis, renal fibrosis and pulmonary fibrosis. However, the role of H19 in bovine mastitis and mastitis-caused fibrosis is still unclear. In our study, H19 was characterized as a novel regulator of EMT induced by transforming growth factor-β1 (TGF-β1) in bovine mammary alveolar cell-T (MAC-T) cell line. We found that H19 was highly expressed in bovine mastitis tissues and inflammatory MAC-T cells induced by virulence factors of pathogens...
2017: PeerJ
https://www.readbyqxmd.com/read/29054756/a-lncrna-h19-transcript-from-secondary-hair-follicle-of-liaoning-cashmere-goat-identification-regulatory-network-and-expression-regulated-potentially-by-its-promoter-methylation
#17
Yu B Zhu, Ze Y Wang, Rong H Yin, Qian Jiao, Su J Zhao, Yu Y Cong, Hui L Xue, Dan Guo, Shi Q Wang, Yan X Zhu, Wen L Bai
The H19 transcript (imprinted maternally expressed transcript) is well-known as long noncoding RNA (lncRNA), and it is thought to be associated with the inductive capacity of dermal papilla cells for hair-follicle reconstruction. In this study, we isolated and characterized a lncRNA-H19 transcript from the secondary hair follicle of Liaoning cashmere goat. Also, we investigated its transcriptional pattern and methylation status of H19 gene in secondary hair follicle of this breed during different stages of hair follicle cycle...
October 17, 2017: Gene
https://www.readbyqxmd.com/read/29036538/stlr4-md-2-complex-inhibits-colorectal-cancer-migration-and-invasiveness-in-vitro-and-in-vivo-by-lncrna-h19-down-regulation
#18
Weijun Liang, Yan Zou, Fengxian Qin, Jifei Chen, Junyi Xu, Shifeng Huang, Jingfan Chen, Shengming Dai
Long non-coding RNAs (lncRNAs) have multiple functions in gene regulation and during cellular processes. However, the functional roles of lncRNAs in colorectal cancer (CRC) have not yet been well understood. In our previous study, we demonstrated that sTLR4/MD-2 complex can inhibit CRC in vitro and in vivo by targeting LPS. Therefore, the aim of the present study is to investigate the expression of lncRNA H19 in CRC and to evaluate its effect on the inhibition of sTLR4/MD-2 complex. The expression of H19 is measured in 63 CRC tumor tissues and adjacent normal tissues by quantitative real-time PCR (qRT-PCR)...
November 1, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/29029394/long-non-coding-rna-h19-induces-hippocampal-neuronal-apoptosis-via-wnt-signaling-in-a-streptozotocin-induced-rat-model-of-diabetes-mellitus
#19
Yu-Hao Zhao, Tie-Feng Ji, Qi Luo, Jin-Lu Yu
Defects in hippocampal synaptic plasticity and disorders of memory and learning are the central nervous system complications of diabetes mellitus (DM). Here, we used a streptozotocin-induced rat DM model to investigate the effects of long non-coding RNA H19 (lncRNA H19) on learning and memory and apoptosis of hippocampal neurons, and the involvement of the Wnt signaling. Our data demonstrate that lncRNA H19 is highly expressed in rats with DM. Over-expression of lncRNA H19 increased positioning navigation latency in DM rats and decreased duration of space exploration...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29026626/acute-diarrhoea-due-to-a-shiga-toxin-2e-producing-escherichia-coli-o8%C3%A2-%C3%A2-h19
#20
Angela Saupe, Birgit Edel, Wolfgang Pfister, Bettina Löffler, Ralf Ehricht, Jürgen Rödel
Introduction. Identification of non-O157 Shiga-toxin-producing Escherichia coli (STEC) infections may be underestimated in microbiological diagnosis. Case presentation. A 58-year-old woman developed diarrhoea with watery and subsequently mucous stool. Initial multiplex PCR testing revealed a positive result for stx2 . Culture isolation of a STEC was successful only after repeated inoculation of chromogenic E. coli media. Molecular characterization was performed and identified the isolate as stx2e-positive STEC of serotype O8 : H19...
June 2017: JMM Case Reports
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