This study, as the first case of a complete heterozygous 1GF1 deletion, provides insight into the effects of true IGF-1 haploinsufficiency. Given the similarities in phenotype between the present proband and those previously described, it is highly likely that his IGF1 deletion is the cause for his short stature. Broadly, this study emphasizes how CNV analysis and other genetic sequencing techniques are evolving as an important tool to identify genetic causes underlying human disease, allowing for improved diagnosis and targeted treatment.
Bone density in adults with galactosemia is low, indicating the potential for increased fracture risk, the etiology of which appears to be multifactorial.
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