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https://www.readbyqxmd.com/read/28545444/site-specific-his-asp-phosphoproteomic-analysis-of-prokaryotes-reveals-putative-targets-for-drug-resistance
#1
Shu-Jung Lai, I-Fan Tu, Wan-Ling Wu, Jhih-Tian Yang, Louis Y P Luk, Mei-Chin Lai, Yu-Hsuan Tsai, Shih-Hsiung Wu
BACKGROUND: Phosphorylation of amino acid residues on proteins is an important and common post-translational modification in both eukaryotes and prokaryotes. Most research work has been focused on phosphorylation of serine, threonine or tyrosine residues, whereas phosphorylation of other amino acids are significantly less clear due to the controversy on their stability under standard bioanalytical conditions. RESULTS: Here we applied a shotgun strategy to analyze the histidine and aspartate phosphorylations in different microbes...
May 25, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28544235/absence-of-juvenile-hormone-signalling-regulates-the-dynamic-expression-profiles-of-nutritional-metabolism-genes-during-diapause-preparation-in-the-cabbage-beetle-colaphellus-bowringi
#2
W Liu, Q-Q Tan, L Zhu, Y Li, F Zhu, C-L Lei, X-P Wang
Temperate insects have evolved diapause, a period of programmed developmental arrest during specific life stages, to survive unfavourable conditions. During the diapause preparation phase (DPP), diapause-destined individuals generally store large amounts of fat by regulating nutrition distribution for the energy requirement during diapause maintenance and postdiapause development. Although nutritional patterns during the DPP have been investigated at physiological and biochemical levels in many insects, it remains largely unknown how nutritional metabolism is regulated during the DPP at molecular levels...
May 20, 2017: Insect Molecular Biology
https://www.readbyqxmd.com/read/28543964/linking-long-non-coding-rna-to-control-bile-acid-signaling-and-cholestatic-liver-fibrosis
#3
EDITORIAL
John Y L Chiang
No abstract text is available yet for this article.
May 24, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28542811/integrative-analyses-reveal-biological-pathways-and-key-genes-in-psoriasis
#4
J Dou, L Zhang, X Xie, L Ye, C Yang, L Wen, C Shen, C Zhu, S Zhao, Z Zhu, B Liang, Z Wang, H Li, X Fan, S Liu, X Yin, X Zheng, L Sun, S Yang, Y Cui, F Zhou, X Zhang
BACKGROUND: Psoriasis is a complex disease that is influenced by both genetic and environmental factors with abnormal gene expression in lesional skin. However, no studies are available on genome-scale gene expression of psoriatic lesions in the Chinese population. In addition, systematic studies on the biological pathways, pathogenicity and interaction networks of psoriasis-related genes with abnormal expression profiles require further investigation. OBJECTIVES: To further explore the associated pathways in psoriasis by functional analysis and to identify the key genes by gene pathogenicity analysis...
May 25, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28542621/enzymatic-activity-necessary-to-restore-the-lethality-due-to-escherichia-coli-rnase-e-deficiency-is-distributed-among-bacteria-lacking-rnase-e-homologues
#5
Masaru Tamura, Daisuke Kageyama, Naoko Honda, Hirofumi Fujimoto, Atsushi Kato
Escherichia coli RNase E (Eco-RNase E), encoded by rne (Eco-rne), is considered the global RNA decay initiator. Although Eco-RNase E is an essential gene product in E. coli, some bacterial species, such as Bacillus subtilis, do not possess Eco-RNase E sequence homologues. B. subtilis instead possesses RNase J1/J2 (Bsu-RNase J1/J2) and RNase Y (Bsu-RNase Y) to execute RNA decay. Here we found that E. coli lacking the Eco-rne gene (Δrne E. coli) was viable conditional on M9 minimal media by introducing Bsu-RNase J1/J2 or Bsu-RNase Y...
2017: PloS One
https://www.readbyqxmd.com/read/28538188/identification-and-characterization-of-a-class-of-malat1-like-genomic-loci
#6
Bin Zhang, Yuntao S Mao, Sarah D Diermeier, Irina V Novikova, Eric P Nawrocki, Tom A Jones, Zsolt Lazar, Chang-Shung Tung, Weijun Luo, Sean R Eddy, Karissa Y Sanbonmatsu, David L Spector
The MALAT1 (Metastasis-Associated Lung Adenocarcinoma Transcript 1) gene encodes a noncoding RNA that is processed into a long nuclear retained transcript (MALAT1) and a small cytoplasmic tRNA-like transcript (mascRNA). Using an RNA sequence- and structure-based covariance model, we identified more than 130 genomic loci in vertebrate genomes containing the MALAT1 3' end triple-helix structure and its immediate downstream tRNA-like structure, including 44 in the green lizard Anolis carolinensis. Structural and computational analyses revealed a co-occurrence of components of the 3' end module...
May 23, 2017: Cell Reports
https://www.readbyqxmd.com/read/28537675/downregulation-of-long-non-coding-rna-linc01133-is-predictive-of-poor-prognosis-in-colorectal-cancer-patients
#7
J-H Zhang, A-Y Li, N Wei
OBJECTIVE: This study aims to investigate long non-coding RNA LINC01133 (LINC01133) expressions in colorectal cancer (CRC) patients, and discuss its correlation with CRC clinicopathological features and prognosis. PATIENTS AND METHODS: qRT-PCR was performed to measure expression levels of LINC01133 in CRC tissues. The chi-square test was used to assess LINC01133 expression with respect to clinicopathological parameters. Kaplan-Meier analysis and the log-rank test were performed to identify survival differences in CRC patients...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28535933/anti-inflammatory-effects-of-adjunctive-macrolide-treatment-in-adults-hospitalized-with-influenza-a-randomized-controlled-trial
#8
Nelson Lee, Chun-Kwok Wong, Martin C W Chan, Esther S L Yeung, Wilson W S Tam, Owen T Y Tsang, Kin-Wing Choi, Paul K S Chan, Angela Kwok, Grace C Y Lui, Wai-Shing Leung, Irene M H Yung, Rity Y K Wong, Catherine S K Cheung, David S C Hui
INTRODUCTION: - Macrolides can ameliorate inflammation in respiratory diseases, providing clinical benefits. Data in influenza is lacking. METHOD: - A randomized, open-label, multicenter trial among adults hospitalized for laboratory-confirmed influenza was conducted. Study treatments of oseltamivir and azithromycin (500 mg/day), or oseltamivir alone, both for 5 days, were allocated at 1:1 ratio. The primary outcome was plasma cytokine/chemokine concentration change over time (Day 0-10); secondary outcomes were viral load and symptom score changes...
May 20, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28535802/n-blr-a-primate-specific-non-coding-transcript-leads-to-colorectal-cancer-invasion-and-migration
#9
Isidore Rigoutsos, Sang Kil Lee, Su Youn Nam, Simone Anfossi, Barbara Pasculli, Martin Pichler, Yi Jing, Cristian Rodriguez-Aguayo, Aristeidis G Telonis, Simona Rossi, Cristina Ivan, Tina Catela Ivkovic, Linda Fabris, Peter M Clark, Hui Ling, Masayoshi Shimizu, Roxana S Redis, Maitri Y Shah, Xinna Zhang, Yoshinaga Okugawa, Eun Jung Jung, Aristotelis Tsirigos, Li Huang, Jana Ferdin, Roberta Gafà, Riccardo Spizzo, Milena S Nicoloso, Anurag N Paranjape, Maryam Shariati, Aida Tiron, Jen Jen Yeh, Raul Teruel-Montoya, Lianchun Xiao, Sonia A Melo, David Menter, Zhi-Qin Jiang, Elsa R Flores, Massimo Negrini, Ajay Goel, Menashe Bar-Eli, Sendurai A Mani, Chang Gong Liu, Gabriel Lopez-Berestein, Ioana Berindan-Neagoe, Manel Esteller, Scott Kopetz, Giovanni Lanza, George A Calin
BACKGROUND: Non-coding RNAs have been drawing increasing attention in recent years as functional data suggest that they play important roles in key cellular processes. N-BLR is a primate-specific long non-coding RNA that modulates the epithelial-to-mesenchymal transition, facilitates cell migration, and increases colorectal cancer invasion. RESULTS: We performed multivariate analyses of data from two independent cohorts of colorectal cancer patients and show that the abundance of N-BLR is associated with tumor stage, invasion potential, and overall patient survival...
May 24, 2017: Genome Biology
https://www.readbyqxmd.com/read/28535628/-expression-and-clinical-significance-of-long-non-coding-rna-ccat1-in-gastric-cancer
#10
T Shan, Y G Chen, B Hong, H Zhou, J Z Xia
Objective: To investigate the expression and clinical significance of long non-coding RNA colon cancer associated transcript-1 (CCAT1) in gastric cancer (GC), and to further explore the effect of CCAT1 on cell proliferation of GC. Methods: The mRNA expressions of CCAT1 in GC tissues and matched adjacent normal tissues from 62 patients who received resection for gastric carcinoma between January 2013 and May 2015 in Nanjing Medical University Affiliated Wuxi Second Hospital and expressions in GC cell lines were assessed by quantitative real-time PCR (qRT-PCR)...
May 16, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28534516/transcriptional-and-posttranscriptional-regulation-of-hoxa13-by-lncrna-hottip-facilitates-tumorigenesis-and-metastasis-in-esophageal-squamous-carcinoma-cells
#11
C Lin, Y Wang, Y Wang, S Zhang, L Yu, C Guo, H Xu
The long non-coding RNA, HOTTIP, has an important role in tumorigenesis. It is known that HOTTIP regulates HOX gene family; however, its regulatory mechanism in esophageal squamous cell carcinoma (ESCC) remains elusive. In this study, we investigated the role of HOTTIP in ESCC and observed that HOTTIP/HOXA13 was upregulated in ESCC and promoted cell proliferation and metastasis in vivo and in vitro. Interestingly, harboring a miR-30b-binding site, HOTTIP as a molecular sponge mainly regulated miR-30b level in the nucleus and modulated the repression of HOXA13 mediated by miR-30b in the cytoplasm, resulting in the positive HOTTIP/HOXA13 correlation...
May 22, 2017: Oncogene
https://www.readbyqxmd.com/read/28533924/interferon-free-treatments-in-patients-with-hepatitis-c-genotype-1-4-infections-in-a-real-world-setting
#12
Huascar Ramos, Pedro Linares, Ester Badia, Isabel Martín, Judith Gómez, Carolina Almohalla, Francisco Jorquera, Sara Calvo, Isidro García, Pilar Conde, Begoña Álvarez, Guillermo Karpman, Sara Lorenzo, Visitación Gozalo, Mónica Vásquez, Diana Joao, Marina de Benito, Lourdes Ruiz, Felipe Jiménez, Federico Sáez-Royuela, Asociación Castellano Y Leonesa de Hepatología ACyLHE
AIM: To investigated the real-world effectiveness and safety of various regimens of interferon-free treatments in patients infected with hepatitis C virus (HCV). METHODS: We performed an observational study to analyze different antiviral treatments administered to 462 HCV-infected patients, of which 56.7% had liver cirrhosis. HCV RNA after 4 wk of treatment and at 12 wk after treatment sustained virologic response (SVR) as well as serious adverse events (SAEs) was analyzed first for the whole cohort and then separately in patients who met or did not meet the inclusion criteria of a clinical trial (CT-met and CT-unmet, respectively)...
May 6, 2017: World Journal of Gastrointestinal Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28531192/overexpression-of-the-essential-sis1-chaperone-reduces-tdp-43-effects-on-toxicity-and-proteolysis
#13
Sei-Kyoung Park, Joo Y Hong, Fatih Arslan, Vydehi Kanneganti, Basant Patel, Alex Tietsort, Elizabeth M H Tank, Xingli Li, Sami J Barmada, Susan W Liebman
Amyotrophic lateral sclerosis (ALS) is a devastating neurodegenerative disease characterized by selective loss of motor neurons with inclusions frequently containing the RNA/DNA binding protein TDP-43. Using a yeast model of ALS exhibiting TDP-43 dependent toxicity, we now show that TDP-43 overexpression dramatically alters cell shape and reduces ubiquitin dependent proteolysis of a reporter construct. Furthermore, we show that an excess of the Hsp40 chaperone, Sis1, reduced TDP-43's effect on toxicity, cell shape and proteolysis...
May 22, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28528860/purifying-selection-and-concerted-evolution-of-rna-sensing-toll-like-receptors-in-migratory-waders
#14
Nynke Raven, Simeon Lisovski, Marcel Klaassen, Nathan Lo, Thomas Madsen, Simon Y W Ho, Beata Ujvari
Migratory birds encounter a broad range of pathogens during their journeys, making them ideal models for studying immune gene evolution. Despite the potential value of these species to immunoecology and disease epidemiology, previous studies have typically focused on their adaptive immune gene repertoires. In this study, we examined the evolution of innate immune genes in three long-distance migratory waders (order Charadriiformes). We analysed two parts of the extracellular domains of two Toll-like receptors (TLR3 and TLR7) involved in virus recognition in the Sanderling (Calidris alba), Red-necked Stint (Calidris ruficollis), and Ruddy Turnstone (Arenaria interpres)...
May 18, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28526714/constans-imparts-dna-sequence-specificity-to-the-histone-fold-nf-yb-nf-yc-dimer
#15
Nerina Gnesutta, Roderick W Kumimoto, Swadhin Swain, Matteo Chiara, Chamindika Siriwardana, David Stephen Horner, Ben F Holt, Roberto Mantovani
NF-Y is a heterotrimeric transcription factor that binds CCAAT elements. The NF-Y trimer is composed of a Histone Fold Domain (HFD) dimer (NF-YB/NF-YC) and NF-YA, which confers DNA sequence-specificity. NF-YA shares a conserved domain with the CCT (CONSTANS, CONSTANS-LIKE, TOC1) proteins. We show that CONSTANS (CO/BBX1), a master flowering regulator, forms a trimer with Arabidopsis NF-YB2/NF-YC3 to efficiently bind the CORE element of the FT promoter. We term this complex NF-CO. Using saturation mutagenesis EMSAs and RNA-Seq profiling of co, nf-yb, and nf-yc mutants, we identify CCACA elements as the core NF-CO binding site...
May 19, 2017: Plant Cell
https://www.readbyqxmd.com/read/28524153/transcriptome-analysis-of-mirna-lncrna-mrna-interactions-in-the-malignant-transformation-process-of-gastric-cancer-initiation
#16
Y Mao, R Liu, H Zhou, S Yin, Q Zhao, X Ding, H Wang
Gastric cancer is a common heterogeneous malignancy that is pathologically characterized by the development of chronic atrophic gastritis and dysplasia of the epithelium. The pathogenic mechanisms at the molecular level are completely unclear. In the present study, we first address the expression network and miRNA-lncRNA-mRNA interaction in the malignant transformation process from normal mucosa and atrophic gastritis to a tumor. First, the long non-coding RNA (lncRNA), micro RNA (miRNA) and messenger RNA (mRNA) expression profiles of normal gastric mucosa, atrophic gastritis, gastric cancer and the peri-tumor tissues were analyzed using microarrays...
May 19, 2017: Cancer Gene Therapy
https://www.readbyqxmd.com/read/28523920/expression-of-bovine-rotavirus-vp8-and-preparation-of-igy-antibodies-against-recombinant-vp8
#17
H S Kim, B Lee, S Y Han, Y T Jung
Group A rotavirus is the leading cause of acute gastroenteritis in cattle and swine. Although, vaccination against this virus is an effective strategy for prevention, additional strategy to control disease is necessary. Egg yolk immunoglobulin (IgY)-based passive immunization could be a better option in preventing this disease. Bovine rotavirus (BRV) is group A rotavirus and possesses a genome of 11 segments of double-stranded RNA. The outer layer of capsid is composed of two proteins (VP7 and VP4), which induce virus neutralizing antibodies...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28523555/alzheimer-s-disease-and-ncrnas
#18
Rotem Maoz, Benjamin P Garfinkel, Hermona Soreq
Alzheimer's disease is a devastating neurodegenerative disorder affecting a significant portion of the world's rapidly growing aging population. In spite of its prevalence, the etiology of the disease is still poorly understood, and effective therapy is all but unavailable. Over the past decade, noncoding RNA, including microRNA (miRNA), has emerged as a major class of regulatory molecules involved in virtually all physiological and disease states. The specificity provided by miRNA sequence complementarity, together with the ability of these molecules to regulate complex networks of genes, has made them exciting novel targets for therapeutic agents...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28522548/a-multi-purpose-toolkit-to-enable-advanced-genome-engineering-in-plants
#19
Tomas Cermak, Shaun J Curtin, Javier Gil-Humanes, Radim Čegan, Thomas J Y Kono, Eva Konečná, Joseph J Belanto, Colby G Starker, Jade W Mathre, Rebecca L Greenstein, Daniel F Voytas
We report a comprehensive toolkit that enables targeted, specific modification of monocot and dicot genomes using a variety of genome engineering approaches. Our reagents, based on TALENs and the CRISPR/Cas9 system, are systematized for fast, modular cloning and accommodate diverse regulatory sequences to drive reagent expression. Vectors are optimized to create either single or multiple gene knockouts and large chromosomal deletions. Moreover, integration of geminivirus-based vectors enables precise gene editing through homologous recombination...
May 18, 2017: Plant Cell
https://www.readbyqxmd.com/read/28520829/association-between-combined-tmprss2-erg-and-pca3-rna-urinary-testing-and-detection-of-aggressive-prostate-cancer
#20
Martin G Sanda, Ziding Feng, David H Howard, Scott A Tomlins, Lori J Sokoll, Daniel W Chan, Meredith M Regan, Jack Groskopf, Jonathan Chipman, Dattatraya H Patil, Simpa S Salami, Douglas S Scherr, Jacob Kagan, Sudhir Srivastava, Ian M Thompson, Javed Siddiqui, Jing Fan, Aron Y Joon, Leonidas E Bantis, Mark A Rubin, Arul M Chinnayian, John T Wei, Mohamed Bidair, Adam Kibel, Daniel W Lin, Yair Lotan, Alan Partin, Samir Taneja
Importance: Potential survival benefits from treating aggressive (Gleason score, ≥7) early-stage prostate cancer are undermined by harms from unnecessary prostate biopsy and overdiagnosis of indolent disease. Objective: To evaluate the a priori primary hypothesis that combined measurement of PCA3 and TMPRSS2:ERG (T2:ERG) RNA in the urine after digital rectal examination would improve specificity over measurement of prostate-specific antigen alone for detecting cancer with Gleason score of 7 or higher...
May 18, 2017: JAMA Oncology
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