ClinVar Miner

Submissions for variant NM_181332.3(NLGN4X):c.2259G>C (p.Arg753Ser) (rs886042929)

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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
EGL Genetic Diagnostics,Eurofins Clinical Diagnostics RCV000274385 SCV000337448 uncertain significance not provided 2015-11-23 criteria provided, single submitter clinical testing
Geisinger Autism and Developmental Medicine Institute,Geisinger Health System RCV000678276 SCV000804332 uncertain significance Asperger syndrome X-linked 2; Autism, susceptibility to, X-linked 2 2017-07-25 criteria provided, single submitter provider interpretation This 12 year old male has a history of autism spectrum disorder, cafe-aut-lait spots, intellectual disability, and dysmorphic features including narrow facies and proptosis. Variants in NLGN4X have been associated with autism spectrum disorders (Bemben et al., 2015). Loss-of function and missense variants in the NLGN4X gene have been reported in association with an increased risk for X-linked intellectual disability and susceptibility to autism and Asperger syndrome in males as well as in some heterozygous females (Laumonnier et al., 2004; Lawson-Yuen et al. 2008; Zhang et al., 2009; Xu et al., 2014; Bonnet-Brihault et al., 2016). Other studies have not found NLGN4X variants in autism cohorts and suggest that NLGN4X variants are not likely to be common causes of autism (Wermter et al., 2008; Liu et al., 2013). This variant is absent from population databases, including ExAC and gnomAD. Computational models predict this variant would probably be damaging to protein structure/function. The patient's unaffected maternal half-brother was negative for this variant. His mother has a history of depression and anxiety, but does not have a reported history of other neurodevelopmental concerns.

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