ClinVar Miner

Submissions for variant NM_001033855.3(DCLRE1C):c.103C>G (p.His35Asp) (rs121908159)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Illumina Clinical Services Laboratory,Illumina RCV000004938 SCV000915466 likely pathogenic Histiocytic medullary reticulosis 2018-02-16 criteria provided, single submitter clinical testing The DCLRE1C c.103C>G (p.His35Asp) missense variant has been reported in a single study in which it was identified in a compound heterozygous state in two related individuals (Ege at al. 2005). One proband was clinically diagnosed with Omenn syndrome with symptoms including sepsis, failure to thrive, generalized lymphedema, hepatomegaly, splenomegaly, and erythrodermatitis. The brother was clinically diagnosed with thrombocytopenia and autoimmune hemolytic anemia with a possible diagnosis of Evans syndrome (Ege et al. 2005). Control data are unavailable for the p.His35Asp variant which is reported at a frequency of 0.000009 in the European (non-Finnish) population of the Genome Aggregation Database. The p.His35Asp variant causes significantly reduced recombination activity and DNA repair as well as loss of endonuclease activity (Pannicke et al. 2004; Pannicke et al. 2010; Felgentreff et al. 2015). The mean activity level in comparison to the wild type, endogenous control activity for the c.103C>G variant is 0% for mean recombination and 27.29% for mean DNA repair (Felgentreff et al. 2015). Based on the available evidence, the c.103C>G (p.His35Asp) variant is classified as likely pathogenic for Omenn syndrome. This variant was observed by ICSL as part of a predisposition screen in an ostensibly healthy population.
OMIM RCV000004938 SCV000025114 pathogenic Histiocytic medullary reticulosis 2005-06-01 no assertion criteria provided literature only

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