ClinVar Miner

Submissions for variant NM_002294.2(LAMP2):c.371C>T (p.Thr124Ile) (rs397516744)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Laboratory for Molecular Medicine,Partners HealthCare Personalized Medicine RCV000037417 SCV000061074 uncertain significance not specified 2012-06-22 criteria provided, single submitter clinical testing Variant classified as Uncertain Significance - Favor Benign. The Thr124Ile varia nt in LAMP2 has not been previously reported, but has previously been identified in one individual with HCM by our laboratory. This variant has not been identif ied in large and broad populations by the NHLBI Exome Sequencing Project (http:/ /evs.gs.washington.edu/EVS). This low frequency supports a pathogenic role. Howe ver, threonine (Thr) at position 124 is not conserved in mammals or chicken, red ucing the likelihood that the change is pathogenic. In addition, pathogenic miss ense variants are rare in the LAMP2 gene, as most disease causing variants lead to a loss of function. Computational analyses (biochemical amino acid properties , AlignGVGD, PolyPhen2, and SIFT) suggest that the Thr124Ile variant may not imp act the protein, though this information is not predictive enough to rule out pa thogenicity. In summary, although this data suggests that the Thr124Ile variant is likely benign, in the absence of additional information its clinical signific ance cannot be determined.

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