2017
Novel compound heterozygous mutations in GPT2 linked to microcephaly, and intellectual developmental disability with or without spastic paraplegia
Kaymakcalan H, Yarman Y, Goc N, Toy F, Meral C, Ercan‐Sencicek A, Gunel M. Novel compound heterozygous mutations in GPT2 linked to microcephaly, and intellectual developmental disability with or without spastic paraplegia. American Journal Of Medical Genetics Part A 2017, 176: 421-425. PMID: 29226631, DOI: 10.1002/ajmg.a.38558.Peer-Reviewed Case Reports and Technical NotesConceptsNovel compound heterozygous missense variantsSpastic paraplegiaNovel compound heterozygous variantsCompound heterozygous missense variantsMissense variantsNovel compound heterozygous mutationsCompound heterozygous variantsHeterozygous missense variantsCompound heterozygous mutationsFamily membersTurkish cohortIndex patientsIntellectual developmental disabilitiesClinical phenotypeHeterozygous variantsDevelopmental delayHeterozygous mutationsAffected sisterMale siblingsUnaffected parentsFemale siblingsIntellectual disabilityDevelopmental disabilitiesSanger sequencingParaplegia
2014
NGLY1 mutation causes neuromotor impairment, intellectual disability, and neuropathy
Caglayan AO, Comu S, Baranoski JF, Parman Y, Kaymakçalan H, Akgumus GT, Caglar C, Dolen D, Erson-Omay EZ, Harmanci AS, Mishra-Gorur K, Freeze HH, Yasuno K, Bilguvar K, Gunel M. NGLY1 mutation causes neuromotor impairment, intellectual disability, and neuropathy. European Journal Of Medical Genetics 2014, 58: 39-43. PMID: 25220016, PMCID: PMC4804755, DOI: 10.1016/j.ejmg.2014.08.008.Peer-Reviewed Original ResearchConceptsN-glycanase 1Proteasome-mediated degradationConserved enzymeFrame-shift mutationApparent intellectual disabilityBase pair deletionNeuromotor impairmentNovel homozygous frame-shift mutationHomozygous frame-shift mutationNeuronal cellsPair deletionAmyotrophic lateral sclerosisIntellectual disabilityMutationsProteinNeurological functionCorneal opacityNeurologic diseaseLateral sclerosisParkinson's diseaseProgressive lossDiseaseCytoplasmImpairmentDeletion