Variant Gene Risk Allele Score vda Association Type Original DB Sentence supporting the association PMID PMID Year
dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE Studies have shown that NSML-associated Y279C mutation exhibited the reduced phosphatase activity, leading to loss-of-function (LOF) of SHP2. 31258001

2019

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE The two patients with LS had p.Y279C and p.T468 M mutations of the PTPN11 gene, respectively. 31722741

2019

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE We found that LS-associated SHP2 mutants (Y279C, T468M, Q506P, and Q510E) exhibited a substantially reduced phosphatase activity toward parafibromin when compared with wild-type SHP2. 26742426

2016

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE Phenotypical diversity of patients with LEOPARD syndrome carrying the worldwide recurrent p.Tyr279Cys PTPN11 mutation. 26377839

2015

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE We report here 2 unrelated Japanese cases of LS with different PTPN11 mutations (p.Y279C and p.T468P). 25917897

2015

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR LEOPARD Syndrome with PTPN11 Gene Mutation Showing Six Cardinal Symptoms of LEOPARD. 21747628

2011

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR Ptpn11(Y279C/+) (LS/+) mice recapitulated the human disorder, with short stature, craniofacial dysmorphia, and morphologic, histologic, echocardiographic, and molecular evidence of hypertrophic cardiomyopathy (HCM). 21339643

2011

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE Ptpn11(Y279C/+) (LS/+) mice recapitulated the human disorder, with short stature, craniofacial dysmorphia, and morphologic, histologic, echocardiographic, and molecular evidence of hypertrophic cardiomyopathy (HCM). 21339643

2011

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE LEOPARD syndrome with recurrent PTPN11 mutation Y279C and different cutaneous manifestations: two case reports and a review of the literature. 19768645

2010

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR We describe two unrelated LS cases with a common PTPN11 mutation Y279C and with completely different clinical features including distinct changes in skin pigmentation. 19768645

2010

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR Functional effects of PTPN11 (SHP2) mutations causing LEOPARD syndrome on epidermal growth factor-induced phosphoinositide 3-kinase/AKT/glycogen synthase kinase 3beta signaling. 20308328

2010

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR Phenotype-genotype correlation in a patient with co-occurrence of Marfan and LEOPARD syndromes. 19725129

2009

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR Phosphatase-defective LEOPARD syndrome mutations in PTPN11 gene have gain-of-function effects during Drosophila development. 18849586

2009

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR Diverse driving forces underlie the invariant occurrence of the T42A, E139D, I282V and T468M SHP2 amino acid substitutions causing Noonan and LEOPARD syndromes. 18372317

2008

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE A missense mutation (836-->G; Tyr279Cys) in exon 7 of PTPN11 gene was identified in this patient and his mother with LEOPARD syndrome. 16679933

2006

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE Furthermore, we show that the recurrent LS-causing Y279C and T468M amino acid substitutions engender loss of SHP-2 catalytic activity, identifying a previously unrecognized behavior for this class of missense PTPN11 mutations. 16358218

2006

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR A missense mutation (836-->G; Tyr279Cys) in exon 7 of PTPN11 gene was identified in this patient and his mother with LEOPARD syndrome. 16679933

2006

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR Furthermore, we show that the recurrent LS-causing Y279C and T468M amino acid substitutions engender loss of SHP-2 catalytic activity, identifying a previously unrecognized behavior for this class of missense PTPN11 mutations. 16358218

2006

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR Clinical and molecular analysis of 30 patients with multiple lentigines LEOPARD syndrome. 15121796

2004

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR PTPN11 mutations in patients with LEOPARD syndrome: a French multicentric experience. 15520399

2004

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE A missense mutation (836A-->G; Tyr279Cys) in exon 7 of PTPN11 gene was identified in the patient with LEOPARD syndrome, whereas no mutation in PTPN11 gene was detected in the father or in additional family members. 14991917

2004

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR [Molecular genetic mutation analysis of the PTPN11 gene in the multiple lentigines (LEOPARD) syndrome]. 14634749

2003

dbSNP: rs121918456
rs121918456
0.800 GeneticVariation BEFREE All three cases of LEOPARD syndrome reported here have a Y279C mutation in the PTPN11 gene. 12161596

2002

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR PTPN11 mutations in Noonan syndrome: molecular spectrum, genotype-phenotype correlation, and phenotypic heterogeneity. 11992261

2002

dbSNP: rs121918456
rs121918456
G 0.800 CausalMutation CLINVAR All three cases of LEOPARD syndrome reported here have a Y279C mutation in the PTPN11 gene. 12161596

2002