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  •   DSpace @University of Tartu
  • Loodus- ja täppisteaduste valdkond
  • LT Euroopa Liidu rahastatud projektid
  • TransGeno - The ERA Chair for Translational Genomics and Personalized Medicine
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Analysis of repetitive element expression in the blood and skin of patients with Parkinson’s disease identifies differential expression of satellite elements

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Billingsley2019.pdf (1.620Mb)
Date
2019-03-13
Author
Billingsley, Kimberley J.
Lättekivi, Freddy
Planken, Anu
Reimann, Ene
Kurvits, Lille
Kadastik-Eerme, Liis
Kasterpalu, Kristjan M.
Bubb, Vivien J.
Quinn, John P.
Kõks, Sulev
Taba, Pille
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Abstract
Repetitive elements (RE) constitute the majority of the human genome and have a range of functions both structural and regulatory on genomic function and gene expression. RE overexpression has been observed in several neurodegenerative diseases, consistent with the observation of aberrant expression of RE posing a mutagenic threat. Despite reports that associate RE expression with PD no study has comprehensively analyzed the role of these elements in the disease. This study presents the frst genome-wide analysis of RE expression in PD to date. Analysis of RNA-sequencing data of 12 PD patients and 12 healthy controls identified tissue-specific expression differences and more significantly, differential expression of four satellite elements; two simple satellite III (repName=CATTC_n and _GAATG_n) a high-copy satellite II (HSATII) and a centromeric satellite (ALR_Alpha) in the blood of PD patients. In support of the growing body of recent evidence associating REs with neurodegenerative disease, this study highlights the potential importance of characterization of RE expression in such diseases
URI
http://hdl.handle.net/10062/72228
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