Open Access
Open access
Nature Genetics, volume 47, issue 12, pages 1482-1488

Poly(A)-specific ribonuclease (PARN) mediates 3′-end maturation of the telomerase RNA component

Moon Diane H. 1, 2, 3, 4
Segal Matthew 1, 2, 3, 4
Boyraz Baris 1, 2, 3, 4, 5
Guinan Eva 6
Hofmann Inga 1, 2, 4
Cahan Patrick 4
Tai Albert 7
Agarwal Suneet 1, 2, 3, 4
1
 
Department of Pediatrics, Harvard Medical School, Boston, USA
2
 
Harvard Stem Cell Institute, Boston, USA
3
 
Department of Pediatric Oncology, Dana-Farber Cancer Institute, Boston, USA
4
 
Division of Hematology/Oncology, Boston Children's Hospital, Boston, USA
6
 
Department of Radiation Oncology, Dana-Farber Cancer Institute, Boston, USA
7
 
Department of Integrative Physiology and Pathobiology, Tufts University School of Medicine, Boston, USA
Publication typeJournal Article
Publication date2015-10-19
Journal: Nature Genetics
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor30.8
ISSN10614036, 15461718
PubMed ID:  26482878
Genetics
Abstract
Mutations in the PARN gene (encoding poly(A)-specific ribonuclease) cause telomere diseases including familial idiopathic pulmonary fibrosis (IPF) and dyskeratosis congenita, but how PARN deficiency impairs telomere maintenance is unclear. Here, using somatic cells and induced pluripotent stem cells (iPSCs) from patients with dyskeratosis congenita with PARN mutations, we show that PARN is required for the 3′-end maturation of the telomerase RNA component (TERC). Patient-derived cells as well as immortalized cells in which PARN is disrupted show decreased levels of TERC. Deep sequencing of TERC RNA 3′ termini shows that PARN is required for removal of post-transcriptionally acquired oligo(A) tails that target nuclear RNAs for degradation. Diminished TERC levels and the increased proportion of oligo(A) forms of TERC are normalized by restoring PARN, which is limiting for TERC maturation in cells. Our results demonstrate a new role for PARN in the biogenesis of TERC and provide a mechanism linking PARN mutations to telomere diseases.

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Moon D. H. et al. Poly(A)-specific ribonuclease (PARN) mediates 3′-end maturation of the telomerase RNA component // Nature Genetics. 2015. Vol. 47. No. 12. pp. 1482-1488.
GOST all authors (up to 50) Copy
Moon D. H., Segal M., Boyraz B., Guinan E., Hofmann I., Cahan P., Tai A., Agarwal S. Poly(A)-specific ribonuclease (PARN) mediates 3′-end maturation of the telomerase RNA component // Nature Genetics. 2015. Vol. 47. No. 12. pp. 1482-1488.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1038/ng.3423
UR - https://doi.org/10.1038%2Fng.3423
TI - Poly(A)-specific ribonuclease (PARN) mediates 3′-end maturation of the telomerase RNA component
T2 - Nature Genetics
AU - Moon, Diane H.
AU - Segal, Matthew
AU - Boyraz, Baris
AU - Guinan, Eva
AU - Hofmann, Inga
AU - Cahan, Patrick
AU - Tai, Albert
AU - Agarwal, Suneet
PY - 2015
DA - 2015/10/19 00:00:00
PB - Springer Nature
SP - 1482-1488
IS - 12
VL - 47
PMID - 26482878
SN - 1061-4036
SN - 1546-1718
ER -
BibTex |
Cite this
BibTex Copy
@article{2015_Moon,
author = {Diane H. Moon and Matthew Segal and Baris Boyraz and Eva Guinan and Inga Hofmann and Patrick Cahan and Albert Tai and Suneet Agarwal},
title = {Poly(A)-specific ribonuclease (PARN) mediates 3′-end maturation of the telomerase RNA component},
journal = {Nature Genetics},
year = {2015},
volume = {47},
publisher = {Springer Nature},
month = {oct},
url = {https://doi.org/10.1038%2Fng.3423},
number = {12},
pages = {1482--1488},
doi = {10.1038/ng.3423}
}
MLA
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MLA Copy
Moon, Diane H., et al. “Poly(A)-specific ribonuclease (PARN) mediates 3′-end maturation of the telomerase RNA component.” Nature Genetics, vol. 47, no. 12, Oct. 2015, pp. 1482-1488. https://doi.org/10.1038%2Fng.3423.
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