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Molecular characterization of CPS1 deletions by array CGH

CPSI deficiency usually results in severe hyperammonemia presenting in the first days of life warranting prompt diagnosis. Most CPS1 defects are non-recurrent, private mutations, including point mutation, small insertions and deletions. In this study, we report the detection of large deletions varyi...

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Published in:Molecular genetics and metabolism 2011-01, Vol.102 (1), p.103-106
Main Authors: Wang, Jing, Shchelochkov, Oleg A., Zhan, Hongli, Li, Fangyuan, Chen, Li-Chieh, Brundage, Ellen K., Pursley, Amber N., Schmitt, Eric S., Häberle, Johannes, Wong, Lee-Jun C.
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cited_by cdi_FETCH-LOGICAL-c490t-449ad9ee0c22913fd2aa1ca1a991b8df2fc4b2639bb01c10c17c79a0ed123b8c3
cites cdi_FETCH-LOGICAL-c490t-449ad9ee0c22913fd2aa1ca1a991b8df2fc4b2639bb01c10c17c79a0ed123b8c3
container_end_page 106
container_issue 1
container_start_page 103
container_title Molecular genetics and metabolism
container_volume 102
creator Wang, Jing
Shchelochkov, Oleg A.
Zhan, Hongli
Li, Fangyuan
Chen, Li-Chieh
Brundage, Ellen K.
Pursley, Amber N.
Schmitt, Eric S.
Häberle, Johannes
Wong, Lee-Jun C.
description CPSI deficiency usually results in severe hyperammonemia presenting in the first days of life warranting prompt diagnosis. Most CPS1 defects are non-recurrent, private mutations, including point mutation, small insertions and deletions. In this study, we report the detection of large deletions varying from 1.4 kb to > 130 kb in the CPS1 gene of 4 unrelated patients by targeted array CGH. These results underscore the importance of analysis of large deletions when only one mutation or no mutations are identified in cases where CPSI deficiency is strongly indicated.
doi_str_mv 10.1016/j.ymgme.2010.08.020
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source Elsevier
subjects Array CGH
Base Sequence
Carbamoyl-Phosphate Synthase (Ammonia) - genetics
Carbamoyl-Phosphate Synthase I Deficiency Disease - diagnosis
Carbamoyl-Phosphate Synthase I Deficiency Disease - genetics
Child, Preschool
CPSI deficiency
Fatal Outcome
Female
Gene Deletion
Heterozygote
Humans
Infant, Newborn
Large deletion
Male
Oligonucleotide Array Sequence Analysis
Polymorphism, Single Nucleotide
title Molecular characterization of CPS1 deletions by array CGH
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