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3' utr intron

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https://www.readbyqxmd.com/read/28547825/dual-redundant-sequencing-strategy-full-length-gene-characterisation-of-1056-novel-and-confirmatory-hla-alleles
#1
V Albrecht, C Zweiniger, V Surendranath, K Lang, G Schöfl, A Dahl, S Winkler, V Lange, I Böhme, A H Schmidt
The high-throughput department of DKMS Life Science Lab encounters novel human leukocyte antigen (HLA) alleles on a daily basis. To characterise these alleles, we have developed a system to sequence the whole gene from 5'- to 3'-UTR for the HLA loci A, B, C, DQB1 and DPB1 for submission to the European Molecular Biology Laboratory - European Nucleotide Archive (EMBL-ENA) and the IPD-IMGT/HLA Database. Our workflow is based on a dual redundant sequencing strategy. Using shotgun sequencing on an Illumina MiSeq instrument and single molecule real-time (SMRT) sequencing on a PacBio RS II instrument, we are able to achieve highly accurate HLA full-length consensus sequences...
May 25, 2017: HLA
https://www.readbyqxmd.com/read/28525753/the-u6-snrna-m-6-a-methyltransferase-mettl16-regulates-sam-synthetase-intron-retention
#2
Kathryn E Pendleton, Beibei Chen, Kuanqing Liu, Olga V Hunter, Yang Xie, Benjamin P Tu, Nicholas K Conrad
Maintenance of proper levels of the methyl donor S-adenosylmethionine (SAM) is critical for a wide variety of biological processes. We demonstrate that the N(6)-adenosine methyltransferase METTL16 regulates expression of human MAT2A, which encodes the SAM synthetase expressed in most cells. Upon SAM depletion by methionine starvation, cells induce MAT2A expression by enhanced splicing of a retained intron. Induction requires METTL16 and its methylation substrate, a vertebrate conserved hairpin (hp1) in the MAT2A 3' UTR...
May 18, 2017: Cell
https://www.readbyqxmd.com/read/28464846/sequence-variations-of-the-egr4-gene-in-korean-men-with-spermatogenesis-impairment
#3
Se Ra Sung, Seung Hun Song, Kyung Min Kang, Ji Eun Park, Yeo Jung Nam, Yun-Jeong Shin, Dong Hyun Cha, Ju Tae Seo, Tae Ki Yoon, Sung Han Shim
BACKGROUND: Egr4 is expressed in primary and secondary spermatocytes in adult mouse testes and has a crucial role in regulating germ cell maturation. The functional loss of Egr4 blocks spermatogenesis, significantly reducing the number of spermatozoa that are produced. In this study, we examined whether EGR4 variants are present in Korean men with impaired spermatogenesis. METHODS: A total 170 Korean men with impaired spermatogenesis and 272 normal controls were screened...
May 2, 2017: BMC Medical Genetics
https://www.readbyqxmd.com/read/28400126/targeted-sequencing-of-abca7-identifies-splicing-stop-gain-and-intronic-risk-variants-for-alzheimer-disease
#4
B W Kunkle, R M Carney, M A Kohli, A C Naj, K L Hamilton-Nelson, P L Whitehead, L Wang, R Lang, M L Cuccaro, J M Vance, G S Byrd, G W Beecham, J R Gilbert, E R Martin, J L Haines, M A Pericak-Vance
Several variants in the gene ABCA7 have been identified as potential causal variants for late-onset Alzheimer's disease (LOAD). In order to replicate these findings, and search for novel causal variants, we performed targeted sequencing of this gene in cohorts of non-Hispanic White (NHW) and African-American (AA) LOAD cases and controls. We sequenced the gene ABCA7 in 291 NHW LOAD cases and 103 controls. Variants were prioritized for rare, damaging variants and previously reported variants associated with LOAD, and were follow-up genotyped in 4076 NHW and 1157 AA cases and controls...
April 8, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28272483/snp-snp-interactions-between-wnt4-and-wnt5a-were-associated-with-obesity-related-traits-in-han-chinese-population
#5
Shan-Shan Dong, Wei-Xin Hu, Tie-Lin Yang, Xiao-Feng Chen, Han Yan, Xiang-Ding Chen, Li-Jun Tan, Qing Tian, Hong-Wen Deng, Yan Guo
Considering the biological roles of WNT4 and WNT5A involved in adipogenesis, we aimed to investigate whether SNPs in WNT4 and WNT5A contribute to obesity related traits in Han Chinese population. Targeted genomic sequence for WNT4 and WNT5A was determined in 100 Han Chinese subjects and tag SNPs were selected. Both single SNP and SNP × SNP interaction association analyses with body mass index (BMI) were evaluated in the 100 subjects and another independent sample of 1,627 Han Chinese subjects. Meta-analyses were performed and multiple testing corrections were carried out using the Bonferroni method...
March 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28215743/a-nlrc3-like-gene-from-blunt-snout-bream-megalobrama-amblycephala-molecular-characterization-expression-and-association-with-resistance-to-aeromonas-hydrophila-infection
#6
Fengjuan Zhou, Qifeng Zhan, Zhujin Ding, Lina Su, Jun Fan, Lei Cui, Nan Chen, Weimin Wang, Hong Liu
NLRC (the nucleotide-oligomerization domain (NOD)-like receptor subfamily C) consists of teleost-specific NLRs (NOD-like receptors) and plays pivotal roles in microbial recognition and regulation of innate immune response. In this study, we cloned and characterized a NLRC3-like gene (MamNLRC3-like) from blunt snout bream (Megalobrama amblycephala) by using the quantitative real-time PCR method, and analyzed the correlation between its polymorphisms and resistance to Aeromonas hydrophila infection. The full length cDNA of MamNLRC3-like was 2863 bp, with a 5'-UTR of 169 bp, ORF of 2301 bp and 3'-UTR of 393 bp, encoding 766 amino acid residues...
April 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28102759/antisense-transcription-of-the-myotonic-dystrophy-locus-yields-low-abundant-rnas-with-and-without-cag-n-repeat
#7
Anke E E G Gudde, Simon J van Heeringen, Amanda I de Oude, Ingeborg D G van Kessel, Joseph Estabrook, Eric T Wang, Bé Wieringa, Derick G Wansink
The unstable (CTG·CAG)n trinucleotide repeat in the myotonic dystrophy type 1 (DM1) locus is bidirectionally transcribed from genes with terminal overlap. By transcription in the sense direction, the DMPK gene produces various alternatively spliced mRNAs with a (CUG)n repeat in their 3' UTR. Expression in opposite orientation reportedly yields (CAG)n-repeat containing RNA, but both structure and biological significance of this antisense gene (DM1-AS) are largely unknown. Via a combinatorial approach of computational and experimental analyses of RNA from unaffected individuals and DM1 patients we discovered that DM1-AS spans >6 kb, contains alternative transcription start sites and uses alternative polyadenylation sites up- and downstream of the (CAG)n repeat...
January 19, 2017: RNA Biology
https://www.readbyqxmd.com/read/28059001/possible-association-of-3-utr-357-a-g-ivs11-nt-93-t-c-c-1311-c-t-polymorphism-with-g6pd-deficiency
#8
Mahmoud M Sirdah, Mohammad E Shubair, Mustafa S Al-Kahlout, Jamal M Al-Tayeb, Josef T Prchal, N Scott Reading
BACKGROUND: Glucose-6-phosphate dehydrogenase (G6PD) deficiency is a common X-linked inherited enzymopathic disorder affecting more than 500 million people worldwide. It has so far been linked to 217 distinct genetic variants in the exons and exon-intron boundaries of the G6PD gene, giving rise to a wide range of biochemical heterogeneity and clinical manifestations. OBJECTIVES: Reports from different settings suggested the association of intronic and other mutations outside the reading frame of the G6PD gene with reduced enzyme activity and presenting clinical symptoms...
January 6, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/28006787/role-of-mir-215-in-hirschsprung-s-disease-pathogenesis-by-targeting-siglec-8
#9
Hao Lei, Hongxing Li, Hua Xie, Chunxia Du, Yankai Xia, Weibing Tang
BACKGROUND/AIMS: Hirschsprung's disease (HSCR), known as aganglionosis, is an infrequent congenital gut motility disorder characterized by absence of enteric neurons. In this study, we focus on the role of the intronic miR-215 and its host gene isoleucyl-tRNA synthetase 2 (IARS2) in the pathogenesis of HSCR. METHODS: Quantitative real time PCR and Western blot were used to detect the miRNA, mRNAs, and proteins levels. The dual-luciferase reporter gene assay confirmed the direct regulation of the specific mRNA and miRNAs in cell lines...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28003160/regulatory-factor-x1-depresses-apoe-dependent-a%C3%AE-uptake-by-mirna-124-in-microglial-response-to-oxidative-stress
#10
Chen-Zhuo Feng, Jin-Bo Yin, Jian-Jun Yang, Lin Cao
Decreased proteolytic clearance of soluble amyloid β (Aβ) in microglia affects Aβ accumulation on Alzheimer's disease progression. However, the potential molecular mechanism by which microglial Aβ uptake is regulated remains unclear. In this study, we identified a microRNA, miR-124, that was down-regulated in aging with a function in regulating apolipoprotein E (ApoE)-dependent Aβ uptake by targeting regulatory factor X1 (RFX1) transcripts on BV2 microglia cell. Decreased expression of miRNA-124 in BV2 cells exposed to mild hydrogen peroxide increased RFX1 protein level and decreased the expression of ApoE, a gene which has been suggested to enhance cellular Aβ uptake in microglia...
March 6, 2017: Neuroscience
https://www.readbyqxmd.com/read/27989867/identification-and-functional-characterization-of-a-novel-antistasin-wap-like-serine-protease-inhibitor-from-the-tropical-sea-cucumber-stichopus-monotuberculatus
#11
Aifen Yan, Chunhua Ren, Ting Chen, Xiao Jiang, Hongyan Sun, Chaoqun Hu
A novel antistasin/WAP-like serine protease inhibitor, named as StmAW-SPI, was identified from sea cucumber (Stichopus monotuberculatus) and functionally characterized in this study. The full-length cDNA of StmAW-SPI is 1917 bp in length with a 72 bp 5'-untranslated region (UTR), a 294 bp 3'-UTR and a 1551 bp open reading frame (ORF) encoding a protein of 516 amino acids with a deduced molecular weight of 54.56 kDa. The StmAW-SPI protein has 5-fold internal repeats (IRs) of antistasin domain and 6-fold IRs of WAP domain...
December 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27928018/expression-of-the-antisense-to-latency-transcript-long-noncoding-rna-in-kaposi-s-sarcoma-associated-herpesvirus
#12
Jason M Schifano, Kathleen Corcoran, Hemant Kelkar, Dirk P Dittmer
The regulation of latency is central to herpesvirus biology. Recent transcriptome-wide surveys have uncovered evidence for promiscuous transcription across the entirety of the Kaposi's sarcoma-associated herpesvirus (KSHV) genome and postulated the existence of multiple viral long noncoding RNAs (lncRNAs). Next-generation sequencing studies are highly dependent on the specific experimental approach and particular algorithms of analysis and therefore benefit from independent confirmation of the results. The antisense-to-latency transcript (ALT) lncRNA was discovered by genome-tiling microarray (Chandriani et al...
February 15, 2017: Journal of Virology
https://www.readbyqxmd.com/read/27913194/genetic-screening-of-thap1-in-primary-dystonia-patients-of-india
#13
Subhajit Giri, Tufan Naiya, Zaffar Equbal, Charulata Savant Sankhla, Shyamal Kumar Das, Kunal Ray, Jharna Ray
BACKGROUND: Primary Dystonia is a common movement disorder manifested by dystonic symptoms only. DYT6, a major genetic factor, plays a significant role in primary pure dystonia pathogenesis. In this study we analyzed THAP1 (DYT 6) gene in primary pure dystonia patients, which has been widely studied in other populations but not in Indians. METHODS: The study cohort contained 227 index primary pure dystonia patients with the involvement of cervical region and 254 neurologically control individuals collected from East Indian population...
January 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/27899424/genetic-architecture-of-sporadic-frontotemporal-dementia-and-overlap-with-alzheimer-s-and-parkinson-s-diseases
#14
Raffaele Ferrari, Yunpeng Wang, Jana Vandrovcova, Sebastian Guelfi, Aree Witeolar, Celeste M Karch, Andrew J Schork, Chun C Fan, James B Brewer, Parastoo Momeni, Gerard D Schellenberg, William P Dillon, Leo P Sugrue, Christopher P Hess, Jennifer S Yokoyama, Luke W Bonham, Gil D Rabinovici, Bruce L Miller, Ole A Andreassen, Anders M Dale, John Hardy, Rahul S Desikan
BACKGROUND: Clinical, pathological and genetic overlap between sporadic frontotemporal dementia (FTD), Alzheimer's disease (AD) and Parkinson's disease (PD) has been suggested; however, the relationship between these disorders is still not well understood. Here we evaluated genetic overlap between FTD, AD and PD to assess shared pathobiology and identify novel genetic variants associated with increased risk for FTD. METHODS: Summary statistics were obtained from the International FTD Genomics Consortium, International PD Genetics Consortium and International Genomics of AD Project (n>75 000 cases and controls)...
February 2017: Journal of Neurology, Neurosurgery, and Psychiatry
https://www.readbyqxmd.com/read/27864472/transcriptome-wide-identification-of-nmd-targeted-human-mrnas-reveals-extensive-redundancy-between-smg6-and-smg7-mediated-degradation-pathways
#15
Martino Colombo, Evangelos D Karousis, Joël Bourquin, Rémy Bruggmann, Oliver Mühlemann
Besides degrading aberrant mRNAs that harbor a premature translation termination codon (PTC), nonsense-mediated mRNA decay (NMD) also targets many seemingly "normal" mRNAs that encode for full-length proteins. To identify a bona fide set of such endogenous NMD targets in human cells, we applied a meta-analysis approach in which we combined transcriptome profiling of knockdowns and rescues of the three NMD factors UPF1, SMG6, and SMG7. We provide evidence that this combinatorial approach identifies NMD-targeted transcripts more reliably than previous attempts that focused on inactivation of single NMD factors...
February 2017: RNA
https://www.readbyqxmd.com/read/27851806/5-hydroxymethylcytosine-precedes-loss-of-cpg-methylation-in-enhancers-and-genes-undergoing-activation-in-cardiomyocyte-maturation
#16
David K Kranzhöfer, Ralf Gilsbach, Björn A Grüning, Rolf Backofen, Thomas G Nührenberg, Lutz Hein
BACKGROUND: Cardiomyocytes undergo major changes in DNA methylation during maturation and transition to a non-proliferative state after birth. 5'-hydroxylation of methylated cytosines (5hmC) is not only involved in DNA loss of CpG methylation but is also thought to be an epigenetic mark with unique distribution and functions. Here, we sought to get insight into the dynamics of 5'-hydroxymethylcytosine in newborn and adult cardiomyocytes. METHODS: Cardiomyocyte nuclei from newborn and adult C57BL/6 mice were purified by flow cytometric sorting...
2016: PloS One
https://www.readbyqxmd.com/read/27814995/tmem230-mutation-analysis-in-parkinson-s-disease-in-a-chinese-population
#17
Weiqian Yan, Beisha Tang, Xiaoxia Zhou, Lifang Lei, Kai Li, Qiying Sun, Qian Xu, Xinxiang Yan, Jifeng Guo, Zhenhua Liu
Mutations in TMEM230 were identified as a genetic factor for Parkinson's disease (PD) with typical clinical symptoms and Lewy bodies in a North American population, and a highly prevalent TMEM230 mutation, c.550_552delTAGinsCCCGGG (p.*184ProGlyext*5), was found in 7 Chinese families. In the present study, we investigated the prevalence of TMEM230 mutations in a large cohort of Chinese PD patients and healthy controls individuals from mainland China. We sequenced all exons and exon-intron boundaries of TMEM230 in Chinese Han population including 1235 patients with PD and 1252 healthy control individuals...
January 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/27798706/application-of-high-throughput-next-generation-sequencing-for-hla-typing-on-buccal-extracted-dna-results-from-over-10-000-donor-recruitment-samples
#18
Yuxin Yin, James H Lan, David Nguyen, Nicole Valenzuela, Ping Takemura, Yung-Tsi Bolon, Brianna Springer, Katsuyuki Saito, Ying Zheng, Tim Hague, Agnes Pasztor, Gyorgy Horvath, Krisztina Rigo, Elaine F Reed, Qiuheng Zhang
BACKGROUND: Unambiguous HLA typing is important in hematopoietic stem cell transplantation (HSCT), HLA disease association studies, and solid organ transplantation. However, current molecular typing methods only interrogate the antigen recognition site (ARS) of HLA genes, resulting in many cis-trans ambiguities that require additional typing methods to resolve. Here we report high-resolution HLA typing of 10,063 National Marrow Donor Program (NMDP) registry donors using long-range PCR by next generation sequencing (NGS) approach on buccal swab DNA...
2016: PloS One
https://www.readbyqxmd.com/read/27788248/dna-methylation-patterns-in-the-hypothalamus-of-female-pubertal-goats
#19
Chen Yang, Jing Ye, Xiumei Li, Xiaoxiao Gao, Kaifa Zhang, Lei Luo, Jianping Ding, Yunhai Zhang, Yunsheng Li, Hongguo Cao, Yinghui Ling, Xiaorong Zhang, Ya Liu, Fugui Fang
Female pubertal development is tightly controlled by complex mechanisms, including neuroendocrine and epigenetic regulatory pathways. Specific gene expression patterns can be influenced by DNA methylation changes in the hypothalamus, which can in turn regulate timing of puberty onset. In order to understand the relationship between DNA methylation changes and gene expression patterns in the hypothalamus of pubertal goats, whole-genome bisulfite sequencing and RNA-sequencing analyses were carried out. There was a decline in DNA methylation levels in the hypothalamus during puberty and 268 differentially methylated regions (DMR) in the genome, with differential patterns in different gene regions...
2016: PloS One
https://www.readbyqxmd.com/read/27760516/the-1-78-kb-insertion-in-the-3-untranslated-region-of-rxfp2-does-not-segregate-with-horn-status-in-sheep-breeds-with-variable-horn-status
#20
Gesine Lühken, Stefan Krebs, Sophie Rothammer, Julia Küpper, Boro Mioč, Ingolf Russ, Ivica Medugorac
BACKGROUND: The mode of inheritance of horn status in sheep is far more complex than a superficial analysis might suggest. Observations, which were mostly based on crossbreeding experiments, indicated that the allele that results in horns is dominant in males and recessive in females, and some authors even speculated about the involvement of more than two alleles. However, all recent genome-wide association analyses point towards a very strong effect of a single autosomal locus on ovine chromosome 10, which was narrowed down to a putatively causal insertion polymorphism in the 3'-untranslated region of the relaxin/insulin-like family peptide receptor 2 gene (RXFP2)...
October 19, 2016: Genetics, Selection, Evolution: GSE
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