ClinVar Miner

Submissions for variant NM_000368.5(TSC1):c.622A>G (p.Ser208Gly)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Refractive Surgery Department, Bright Eye Hospital RCV003128469 SCV003804463 likely pathogenic Keratoconus 2023-02-25 no assertion criteria provided case-control TSC is a disorder that causes hamartomas in multiple organs (e.g., brain, eyes, skin, kidneys). The pathogenesis of TSC involves changes in cellular proliferation and differentiation. Though rare, the co-existence of TSC and KC has been reported7-9 and a 4-base-pair deletion in TSC2 was identified.9 In the present investigation, mutation of g.135797247A>G (c.622A>G, p.Ser208Gly) located in exon 7 of TSC1 gene was detected. This mutation caused a conformational change in the wild-type protein and has not been previously reported in patients with or without TSC. The residue has been considered a distinct functional and/or structural sequence of the TSC1 gene. Moreover, the variant was predicted as probably damaging and highly conserved among species. In the family in which the novel mutation was detected, TSC symptoms were not found in any family member.

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