Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs61749721
rs61749721
0.720 GeneticVariation BEFREE In addition, we also show that aminoglycosides increased the prevalence of full-length MeCP2 protein in a dose-dependent manner in a lymphocyte cell line derived from a Rett syndrome girl with the R255X mutation. 20623622

2010

dbSNP: rs61749721
rs61749721
0.720 GeneticVariation BEFREE A missense mutation, T158M was the most common mutation of MECP2, identified in 22 (19.1%) patients, followed by four nonsense mutations, R168X (14.8%), R270X (13.0%), R255X (9.6%), and R294X (6.1%) in 115 patients with classical RTT. 15737703

2005

dbSNP: rs61748389
rs61748389
0.720 GeneticVariation BEFREE The change R133H was identified in a 13-year-old boy showing a classic RTT phenotype and normal karyotype. 11738885

2001

dbSNP: rs61751362
rs61751362
0.730 GeneticVariation BEFREE We differentiated three R29</span>4X iPSC lines and their isogenic wild type control iPSC into neurons with high efficiency and consistency, and observed characteristic RTT pathology in R294X neurons. 21966470

2011

dbSNP: rs61751362
rs61751362
0.730 GeneticVariation BEFREE Clinicians need to be alerted to the variable presentation of Rett syndrome including the milder phenotypes of cases with the p.R133C or p.R294X mutation. 20815036

2010

dbSNP: rs61751362
rs61751362
0.730 GeneticVariation BEFREE Two missense mutations, R133C (33.3%) and R306C (23.3%), and a nonsense mutation, R294X (13.3%), were common in 30 patients with atypical RTT, including the preserved speech variant (PSV). 15737703

2005

dbSNP: rs61748421
rs61748421
0.740 GeneticVariation BEFREE We performed comparative study of suppression effects of the novel NB54 and gentamicin on three MECP2 nonsense mutations (R294X, R270X and R168X) common in RTT, using ex vivo treatment of primary fibroblasts from RTT patients harboring these mutations and testing for the C-terminal containing full-length MeCP2. 21695138

2011

dbSNP: rs61748421
rs61748421
0.740 GeneticVariation BEFREE In those with p.R168X, a commonly occurring MECP2 mutation in RTT, there was a 6-point increase in severity score for those who were heterozygous for the BDNF polymorphism, both unadjusted (p = 0.02) and adjusted for age (p = 0.03). 19349604

2009

dbSNP: rs61748421
rs61748421
0.740 GeneticVariation BEFREE A missense mutation, T158M was the most common mutation of MECP2, identified in 22 (19.1%) patients, followed by four nonsense mutations, R168X (14.8%), R270X (13.0%), R255X (9.6%), and R294X (6.1%) in 115 patients with classical RTT. 15737703

2005

dbSNP: rs61748421
rs61748421
0.740 GeneticVariation BEFREE To study the effects of two common truncating RTT mutations (R168X and 803delG), we examined mutant MeCP2 expression and global histone acetylation levels in clonal cell cultures from a female RTT patient with the mutant R168X allele on the active X chromosome, as well as in cells from a male hemizygous for the frameshift mutation 803delG (V288X). 11331619

2001

dbSNP: rs61750240
rs61750240
0.760 GeneticVariation BEFREE In classic RTT, poor growth was associated with worse development, higher disease severity, and certain MECP2 mutations (pre-C-terminal truncation, large deletion, T158M, R168X, R255X, and R270X). 23035069

2012

dbSNP: rs61750240
rs61750240
0.760 GeneticVariation BEFREE A genetic test confirmed the diagnosis of RTT, showing a truncating mutation in the MECP2 gene (R270X). 17914728

2007

dbSNP: rs61750240
rs61750240
0.760 GeneticVariation BEFREE Our observation of a reduced survival associated with the p.R270X mutation offers an explanation for the under representation of p.R270X in older subjects with Rett syndrome. 16077729

2005

dbSNP: rs61750240
rs61750240
0.760 GeneticVariation BEFREE A missense mutation, T158M was the most common mutation of MECP2, identified in 22 (19.1%) patients, followed by four nonsense mutations, R168X (14.8%), R270X (13.0%), R255X (9.6%), and R294X (6.1%) in 115 patients with classical RTT. 15737703

2005

dbSNP: rs61750240
rs61750240
0.760 GeneticVariation BEFREE We identified a boy with features of classic Rett syndrome who is mosaic for the truncating MECP2 mutation R270X. 11896459

2002

dbSNP: rs61750240
rs61750240
0.760 GeneticVariation BEFREE Among 60 patients 57 girls with a clinical picture of RTT had normal female karyotype (46,XX), one boy had normal male karyotype in peripheral lymphocytes (46,XY) and two boys had a mosaic form of Kleinfelter's syndrome (47,XXY/46,XY) in peripheral lymphocytes or muscle cells (with MeCP2 mutation R270X). 11738872

2001

dbSNP: rs61751364
rs61751364
0.770 GeneticVariation BEFREE We describe an Mecp2 allelic series representing the three most common missense Rett syndrome (RTT) mutations, including first reports of Mecp2[R133C] and Mecp2[T158M] knock-in mice, in addition to Mecp2[R306C] mutant mice. 26647311

2016

dbSNP: rs61751364
rs61751364
0.770 GeneticVariation BEFREE To model RTT in vitro, we generated induced pluripotent stem cells (iPSCs) from fibroblasts of two RTT patients with different mutations (MECP2 (R306C) and MECP2 (1155Δ32)) in their MECP2 gene. 27379379

2016

dbSNP: rs61751364
rs61751364
0.770 GeneticVariation BEFREE In knock-in mice bearing the common human RTT missense mutation R306C, neuronal activity fails to induce MeCP2 T308 phosphorylation, suggesting that the loss of T308 phosphorylation might contribute to RTT. 23770587

2013

dbSNP: rs61751364
rs61751364
0.770 GeneticVariation BEFREE RTT females with the frequently recurrent R133C and R306C missense mutations and those with intragenic deletions in the C-terminus of MECP2 deserve more attention in larger studies as their development is different and milder in the long term. 19133691

2009

dbSNP: rs61751364
rs61751364
0.770 GeneticVariation BEFREE Although more than 200 different MECP2 mutations have been identified throughout the gene, 7 of those (p.R133C, p.T158M, p.R168X, p.R255X, p.R270X, p.R294X, and p.R306C) account for up to two-thirds of pathogenic mutations in RTT patients. 19309269

2009

dbSNP: rs61751364
rs61751364
0.770 GeneticVariation BEFREE Three hotspot mutations (R106W, R255X, and R306C) were found in 3 girls with classic Rett syndrome. 18174559

2007

dbSNP: rs61751364
rs61751364
0.770 GeneticVariation BEFREE Two missense mutations, R133C (33.3%) and R306C (23.3%), and a nonsense mutation, R294X (13.3%), were common in 30 patients with atypical RTT, including the preserved speech variant (PSV). 15737703

2005

dbSNP: rs61748404
rs61748404
0.810 GeneticVariation BEFREE This case broadens the genotype-phenotype correlation between the P152R mutation 2MECP2-associated Rett syndrome. 23859859

2013

dbSNP: rs61748390
rs61748390
0.810 GeneticVariation BEFREE Diagnosis of Rett syndrome was confirmed by molecular detection of the Ser134Cys mutation in the MECP2 gene, which has previously been described only in classic Rett syndrome. 12661945

2003