ClinVar Miner

Submissions for variant NM_000207.3(INS):c.71C>T (p.Ala24Val)

dbSNP: rs80356663
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000030071 SCV000052726 likely pathogenic Neonatal diabetes mellitus 2011-08-18 criteria provided, single submitter curation Converted during submission to Likely pathogenic.
Genetic Services Laboratory, University of Chicago RCV001818190 SCV002067379 likely pathogenic not provided 2019-09-09 criteria provided, single submitter clinical testing DNA sequence analysis of the INS gene demonstrated a sequence change, c.71C>T, in exon 2 that results in an amino acid change, p.Ala24Val. The p.Ala24Val change affects a highly conserved amino acid residue located in a domain of the INS protein that is not known to be functional. The p.Ala24Val substitution appears to be deleterious using several in-silico pathogenicity prediction tools (SIFT, PolyPhen2, REVEL). This variant has not been described in large population databases such as EXAC and gnomAD. The p.Ala24Val variant has been reported in the heterozygous state in a family with permanent neonatal diabetes (PMID: 25765664). Furthermore, a different pathogenic sequence change affecting the same amino acid residue (p.Ala24Asp) has been described in multiple patients with permanent neonatal diabetes (PMIDs: 17855560, 22357960, 20034470).

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