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Behavioural characterization of a mouse model for Prader-Willi syndromeRelkovic, Dinko January 2010 (has links)
No description available.
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An investigation into psychiatric illness in people with Prader-Willi syndrome : evidence for a genetic basis for psychosisSoni, Sarita January 2006 (has links)
No description available.
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The role of SNORD116 in Prader-Willi syndromePurmann, Carolin January 2012 (has links)
No description available.
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The role of the Prader-Willi syndrome obesity protein, MAGEL2 in the proper functioning of circadian rhythmWeselake, Sara Victoria Unknown Date
No description available.
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The role of the Prader-Willi syndrome obesity protein, MAGEL2 in the proper functioning of circadian rhythmWeselake, Sara Victoria 11 1900 (has links)
MAGEL2 is one of the five genes inactivated in Prader-Willi Syndrome (PWS), a genetic disorder, manifesting with symptoms of developmental delay and morbid obesity. Magel2 is highly expressed in the suprachiasmatic nucleus, which is the location of the central clock or circadian pacemaker. Magel2 knockout mice exhibit defects in circadian rhythm. I hypothesized that Magel2 plays a role in one of the inter-connecting feedback loops that control circadian rhythm in suprachiasmatic neurons. I determined that Magel2 acts as a repressive protein in the cycles feedback loop using a luciferase assay. Magel2 exerts this effect by restricting the movement of Bmal1 into the nucleus. Magel2 levels are then reduced by increasing Per2, associated with increase movement into the nucleus, as determined by experiments examining subcellular localization and effects on protein levels. Loss of Magel2 in PWS may contribute to sleep abnormalities in this disorder, specifically the cycling between different sleep stages.
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Genomic imprinting: support for the concept from a study of Prader-Willi Syndrome patientsRobinett, Sheldon J. (Sheldon Jay) 12 1900 (has links)
In this study, nineteen cases of suspected or clinically diagnosed Prader-Willi Syndrome (PWS) were tested for molecular deletions by in situ hybridization with two DNA probes, IR4-3R and GABRB3. Both probes are specific for sequences within the chromosome region 15q11-13, with IR4-3R located within the putative PWS region and GABRB3 in the distal area associated with Angelman Syndrome.
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Identifying novel targets for the snoRNA class of stable non-coding RNAsPeters, Rosie Elizabeth January 2018 (has links)
Non-coding RNAs (ncRNAs) are a subset of RNAs that do not code for protein. They are divided into a number of different groups based on their function and targets. Small nucleolar RNAs (snoRNAs) are ncRNAs that have long been known to function as guides for ribosomal RNA (rRNA) modifying enzymes. They are classified into two major groups: box C/D snoRNAs and box H/ACA snoRNAs. Most box C/D snoRNAs direct the 2'-O-methylation of rRNA substrates, but some lack known targets and are therefore termed 'orphan snoRNAs'. Studies have implicated orphan snoRNAs in pre-mRNA processing and stability, but the functional consequence of snoRNA binding to mRNAs has not been fully determined. Saccharomyces cerevisiae had two orphan snoRNAs, snR4 and snR45, with no known function in ribosome synthesis. This project aimed to determine the targets of these snoRNAs, and investigate the effects of snoRNA binding to non-canonical target RNAs, as well as the underlying mechanism. Synthetic gene array screens with deletions of the SNR4 and SNR45 genes identified multiple positive and negative genetic interactions. In particular, deletion of either snoRNA gene was synthetic-lethal with mutation of the snoRNA-associated methyltransferase, Nop1 (Fibrillarin in humans), demonstrating that both have important functions. CLASH analyses of RNA-RNA interactions showed that these snoRNAs bind multiple mRNAs, while RNA sequencing and RT-qPCR revealed that snoRNA deletion altered mRNA abundance. Both orphan snoRNAs were well conserved between fungi, with a region of high conservation indicating a potential binding site. Associations were identified between snR4 and snR45 and multiple sequences within rRNA, including two recently identified sites of 18S rRNA acetylation. Work elsewhere showed that snR4 and snR45 function as guides for the acetyltransferase Kre33 using the region of high conservation, removing their 'orphan' status. Orphan snoRNAs have been implicated in human diseases, such as Prader Willi Syndrome and cancers. The work discussed in this thesis helps to elucidate the RNA interactions of yeast orphan snoRNAs. It has provided a greater understanding of the mechanisms involved, and may inform future work in combatting human disease.
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Impact of the characteristic behaviors of patients with Prader-Willi syndromeMendonca, Willonie. January 2009 (has links)
Thesis (M.S.)--Case Western Reserve University, 2009. / [School of Medicine] Department of Genetic Counseling. Includes bibliographical references.
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Prader-Willi syndrome and jigsaw puzzles putting the pieces together /Verdine, Brian N. January 2005 (has links)
Thesis (M.S. in Psychology)--Vanderbilt University, Aug. 2005. / Title from title screen. Includes bibliographical references.
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The molecular control of zebrafish isotocin cell development a potential model for the neurodevelopmental causes of autism and Prader-Willi syndrome /Eaton, Jennifer Lynn. January 2006 (has links)
Thesis (Ph.D.)--Kent State University, 2006. / Title from PDF t.p. (viewed Sept. 19, 2006). Advisor: Eric Glasgow. Keywords: oxytocin; isotocin; vasopressin; vasotocin; hypothalamo-neurohypophysial system; hypothalamus; development; autism; Prader-Willi Syndrome; single-minded; orthopedia; arylhydrocarbon nuclear translocator; Brn2; POU; zebrafish; behavior; paraventricular nucleus; supraoptic nucleus; preoptic nucleus; diencephalon; suprachiasmatic nucleus; thyroid transcription factor; sonic hedgehog; NK 2 transcription factor related; distal-less homeobox gene; homeobox; homeodomain; morpholino Includes bibliographical references (p. 230-266).
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