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Lipid anomaly in a child with partial duplication 3p.
L Bruni1, R Basili, R Capolino
1Department of Paediatrics, University La Sapienza of Rome, Italy.
European Review for Medical and Pharmacological Sciences
|November 5, 1999
Summary
A rare genetic condition, partial duplication of chromosome 3p, is linked to short stature and significant lipid abnormalities in a young girl. This "de novo" chromosomal alteration highlights a potential new genetic cause for dyslipidemia.
Area of Science:
- Genetics
- Pediatrics
- Endocrinology
Background:
- Short stature and lipid alterations are common pediatric concerns.
- Chromosomal abnormalities can lead to complex phenotypes.
- Partial duplication of the short arm of chromosome 3 (dup3p) is a rare genetic disorder.
Observation:
- A 7-year-old girl presented with short height and delayed bone growth.
- She exhibited significant lipidic alterations, including hypercholesterolemia, hypertriglyceridemia, and elevated apolipoprotein B.
- Genetic analysis revealed a de novo partial duplication of chromosome 3p (46,XX, dup(3)(p26-pter)).
Findings:
- The patient's phenotype included short stature and slight frontal bossing, consistent with dup3p syndrome.
- The chromosomal alteration was de novo, with normal parental karyotypes and no family history of lipid anomalies.
- This case suggests a potential link between dup3p and severe dyslipidemia in pediatric patients.
Implications:
- This case expands the known clinical spectrum of dup3p syndrome.
- It highlights the importance of genetic evaluation in children with unexplained lipid abnormalities and growth disturbances.
- Further research is warranted to understand the specific genes on 3p involved in lipid metabolism and growth regulation.