Targeted massively parallel sequencing for congenital generalized lipodystrophy
Arch. endocrinol. metab. (Online)
; 64(5): 559-566, Sept.-Oct. 2020. tab, graf
Article
in En
| LILACS
| ID: biblio-1131124
Responsible library:
BR1.1
ABSTRACT
ABSTRACT Objective:
Our aim is to establish genetic diagnosis of congenital generalized lipodystrophy (CGL) using targeted massively parallel sequencing (MPS), also known as next-generation sequencing (NGS). Subjects andmethods:
Nine unrelated individuals with a clinical diagnosis of CGL were recruited. We used a customized panel to capture genes related to genetic lipodystrophies. DNA libraries were generated, sequenced using the Illumina MiSeq, and bioinformatics analysis was performed.Results:
An accurate genetic diagnosis was stated for all nine patients. Four had pathogenic variants in AGPAT2 and three in BSCL2. Three large homozygous deletions in AGPAT2 were identified by copy-number variant analysis.Conclusions:
Although we have found allelic variants in only 2 genes related to CGL, the panel was able to identify different variants including deletions that would have been missed by Sanger sequencing. We believe that MPS is a valuable tool for the genetic diagnosis of multi-genes related diseases, including CGL.Key words
Full text:
1
Index:
LILACS
Main subject:
GTP-Binding Protein gamma Subunits
/
Lipodystrophy, Congenital Generalized
/
Lipodystrophy
Type of study:
Prognostic_studies
Limits:
Humans
Language:
En
Journal:
Arch. endocrinol. metab. (Online)
Journal subject:
ENDOCRINOLOGIA
/
METABOLISMO
Year:
2020
Type:
Article