ClinVar Miner

Submissions for variant NM_000518.4(HBB):c.142G>A (p.Asp48Asn)

dbSNP: rs33932070
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Total submissions: 4
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Quest Diagnostics Nichols Institute San Juan Capistrano RCV001284628 SCV001470513 uncertain significance not provided 2019-12-18 criteria provided, single submitter clinical testing
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories RCV001284628 SCV001474250 likely benign not provided 2023-02-06 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV004526597 SCV005039757 uncertain significance not specified 2024-03-19 criteria provided, single submitter clinical testing Variant summary: HBB c.142G>A (p.Asp48Asn) results in a conservative amino acid change located in the Globin (IPR000971) of the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant was absent in 251436 control chromosomes. The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. c.142G>A has been reported in the literature in individuals affected with Beta Thalassemia (Zhang_2017, Vinciguerra_2013). These report(s) do not provide unequivocal conclusions about association of the variant with Beta Thalassemia. At least one publication reports experimental evidence evaluating an impact on protein function, however, does not allow convincing conclusions about the variant effect (Riou_2014). The following publications have been ascertained in the context of this evaluation (PMID: 25130136, 24401016, 28143837, 26635043). ClinVar contains an entry for this variant (Variation ID: 15170). Based on the evidence outlined above, the variant was classified as uncertain significance.
OMIM RCV000016342 SCV000036610 other HEMOGLOBIN G (COPENHAGEN) 2017-12-12 no assertion criteria provided literature only

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