ClinVar Miner

Submissions for variant NM_000518.5(HBB):c.70G>C (p.Val24Leu)

dbSNP: rs33929459
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Total submissions: 1
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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 RCV000587770 SCV000697144 uncertain significance not provided 2017-02-27 criteria provided, single submitter clinical testing Variant summary: The HBB c.70G>C (p.Val24Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. 4/4 in silico tools predict a benign outcome for this variant (SNPs&GO not captured due to low reliability index). The variant is absent from control datasets of ExAC and gnomAD (121364 and 246060 chrs tested, respectively). The variant of interest has not, to our knowledge, been reported in affected individuals via publications and/or cited by clinical diagnostic laboratories, nor was it evaluated for functional impact by in vivo/vitro studies. The Val24 codon appears to be a mutation hot-spot, as other alterations, such as p.Val24Ala, p.Val24Asp, p.Val24Ile, p.Val24Phe and p.Val24Gly, have been reported in publications as causative in association with hemoglobinopathies. Due to the lack of clinical information and absence of functional studies, the variant is classified as a variant of uncertain significance (VUS) until additional information becomes available.

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