ArticleMolecular genetics and metabolism reports2024
Novel compound heterozygous mutations in
Article in Molecular genetics and metabolism reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Early childhood obesity poses a significant global public health challenge, necessitating the identification of treatable causes, particularly congenital leptin deficiencies. Serum leptin level measurement aids in diagnosing these rare contributors, guiding effective management. Methods: A Chinese family with early-onset obesity underwent LEP mutational screening via direct sequencing. mRNA expression and protein stability patterns of LEP were separately analyzed using qPCR and bioinformatics. Results: We present a case of a 12.5-year-old girl born to non-obese, non-consanguineous Chinese parents, exhibiting low leptin levels. Leptin gene sequencing revealed novel compound heterozygous mutations in exon 3. RT-PCR analysis showed the mutation didn't affect leptin production. Bioinformatics analysis indicated the variant rendered the leptin protein unstable. Conclusion: Loss-of-function mutations in
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