SAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.

SAMHD1 is a deoxynucleoside triphosphate triphosphohydrolase and a nuclease that restricts HIV-1 in noncycling cells. Germ-line mutations in SAMHD1 have been described in patients with Aicardi-Goutières syndrome (AGS), a congenital autoimmune disease. In a previous longitudinal whole genome sequenci...

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मुख्य लेखकों: Clifford, R, Louis, T, Robbe, P, Ackroyd, S, Burns, A, Timbs, A, Wright Colopy, G, Dreau, H, Sigaux, F, Judde, J, Rotger, M, Telenti, A, Lin, Y, Pasero, P, Maelfait, J, Titsias, M, Cohen, DR, Henderson, S, Ross, M, Bentley, D, Hillmen, P, Pettitt, A, Rehwinkel, J, Knight, S, Taylor, J
स्वरूप: Journal article
भाषा:English
प्रकाशित: American Society of Hematology 2014
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author Clifford, R
Louis, T
Robbe, P
Ackroyd, S
Burns, A
Timbs, A
Wright Colopy, G
Dreau, H
Sigaux, F
Judde, J
Rotger, M
Telenti, A
Lin, Y
Pasero, P
Maelfait, J
Titsias, M
Cohen, DR
Henderson, S
Ross, M
Bentley, D
Hillmen, P
Pettitt, A
Rehwinkel, J
Knight, S
Taylor, J
author_facet Clifford, R
Louis, T
Robbe, P
Ackroyd, S
Burns, A
Timbs, A
Wright Colopy, G
Dreau, H
Sigaux, F
Judde, J
Rotger, M
Telenti, A
Lin, Y
Pasero, P
Maelfait, J
Titsias, M
Cohen, DR
Henderson, S
Ross, M
Bentley, D
Hillmen, P
Pettitt, A
Rehwinkel, J
Knight, S
Taylor, J
author_sort Clifford, R
collection OXFORD
description SAMHD1 is a deoxynucleoside triphosphate triphosphohydrolase and a nuclease that restricts HIV-1 in noncycling cells. Germ-line mutations in SAMHD1 have been described in patients with Aicardi-Goutières syndrome (AGS), a congenital autoimmune disease. In a previous longitudinal whole genome sequencing study of chronic lymphocytic leukemia (CLL), we revealed a SAMHD1 mutation as a potential founding event. Here, we describe an AGS patient carrying a pathogenic germ-line SAMHD1 mutation who developed CLL at 24 years of age. Using clinical trial samples, we show that acquired SAMHD1 mutations are associated with high variant allele frequency and reduced SAMHD1 expression and occur in 11% of relapsed/refractory CLL patients. We provide evidence that SAMHD1 regulates cell proliferation and survival and engages in specific protein interactions in response to DNA damage. We propose that SAMHD1 may have a function in DNA repair and that the presence of SAMHD1 mutations in CLL promotes leukemia development.
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spelling oxford-uuid:2758a9e4-d71d-40cb-a73e-fab2144e552c2022-03-26T12:06:30ZSAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.Journal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:2758a9e4-d71d-40cb-a73e-fab2144e552cEnglishSymplectic Elements at OxfordAmerican Society of Hematology2014Clifford, RLouis, TRobbe, PAckroyd, SBurns, ATimbs, AWright Colopy, GDreau, HSigaux, FJudde, JRotger, MTelenti, ALin, YPasero, PMaelfait, JTitsias, MCohen, DRHenderson, SRoss, MBentley, DHillmen, PPettitt, ARehwinkel, JKnight, STaylor, JSAMHD1 is a deoxynucleoside triphosphate triphosphohydrolase and a nuclease that restricts HIV-1 in noncycling cells. Germ-line mutations in SAMHD1 have been described in patients with Aicardi-Goutières syndrome (AGS), a congenital autoimmune disease. In a previous longitudinal whole genome sequencing study of chronic lymphocytic leukemia (CLL), we revealed a SAMHD1 mutation as a potential founding event. Here, we describe an AGS patient carrying a pathogenic germ-line SAMHD1 mutation who developed CLL at 24 years of age. Using clinical trial samples, we show that acquired SAMHD1 mutations are associated with high variant allele frequency and reduced SAMHD1 expression and occur in 11% of relapsed/refractory CLL patients. We provide evidence that SAMHD1 regulates cell proliferation and survival and engages in specific protein interactions in response to DNA damage. We propose that SAMHD1 may have a function in DNA repair and that the presence of SAMHD1 mutations in CLL promotes leukemia development.
spellingShingle Clifford, R
Louis, T
Robbe, P
Ackroyd, S
Burns, A
Timbs, A
Wright Colopy, G
Dreau, H
Sigaux, F
Judde, J
Rotger, M
Telenti, A
Lin, Y
Pasero, P
Maelfait, J
Titsias, M
Cohen, DR
Henderson, S
Ross, M
Bentley, D
Hillmen, P
Pettitt, A
Rehwinkel, J
Knight, S
Taylor, J
SAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.
title SAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.
title_full SAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.
title_fullStr SAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.
title_full_unstemmed SAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.
title_short SAMHD1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to DNA damage.
title_sort samhd1 is mutated recurrently in chronic lymphocytic leukemia and is involved in response to dna damage
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