ArticleJournal of endocrinological investigation2022
Prevalence of copy number variants (CNVs) and rhGH treatment efficacy in an Italian cohort of children born small for gestational age (SGA) with persistent short stature associated with a complex clinical phenotype.
Article in Journal of endocrinological investigation, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 9 citations in OpenAlex.
- Clinical and Genetic Characterization of a Cohort of Small-for-Gestational-Age Patients: Cost-Effectiveness of Whole-Exome Sequencing and Effectiveness of Treatment with GH.Journal of clinical medicine · 2024Article
- Comprehensive assessment of the genetic characteristics of small for gestational age newborns in NICU: from diagnosis of genetic disorders to prediction of prognosis.Genome medicine · 2023Article
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Authors and funding
10 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeMultiple factors influence intrauterine growth and lead to low birth sizes. The impact of genetic alterations on both pre- and post-natal growth is still largely unknown. The aim of this study was to investigate the prevalence of CNVs in an Italian cohort of SGA children with persistent short stature and complex clinical phenotype. rhGH treatment efficacy was evaluated according to the different genotypes. SUBJECTS AND
methodsTwenty-four SGA children (10F/14M) with persistent short stature associated with dysmorphic features and/or developmental delay underwent CNV evaluation.
resultsCNVs were present in 14/24 (58%) SGA children. Six patients had a microdeletion involving the following regions: 3q24q25.1, 8p21.2p12, 15q26, 19q13.11, 20q11.21q12, 22q11.2. In three females, the same microdeletion involving 17p13.3 region was identified. In two different patients, two microduplications involving 10q21.3 and Xp11.3 region were observed. A further female patient showed both an 11q12.1 and an Xq27.1 microduplication, inherited from her mother and from her father, respectively. In a boy, the presence of a 12p13.33 microdeletion and a 19q13.43 microduplication was found. GH treatment efficacy, expressed by height gain and height velocity in the first 12 months of therapy, was similar in subjects with and without CNVs.
conclusionsThese results show that pathogenic CNVs are common in SGA children with short stature associated with additional clinical features. Interestingly, the involvement of 17p13.3 region occurs with a relative high frequency, suggesting that genes located in this region could play a key role in pre- and post-natal growth. rhGH therapy has similar efficacy in the short term whether CNVs are present or not.
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