Genotypes of p53 codon 72 correlate with age at onset of type 1 diabetes in a sex-specific manner

被引:13
作者
Bitti, Maria Luisa Manca [2 ]
Saccucci, Patrizia [1 ]
Capasso, Francesca [3 ]
Piccinini, Simona [2 ]
Angelini, Federica [3 ,4 ]
Rapini, Novella [5 ]
Porcari, Marta [2 ]
Arcano, Susanna [2 ]
Petrelli, Arianna [2 ]
Del Duca, Elisabetta [2 ]
Bottini, Egidio [1 ]
Gloria-Bottini, Fulvia [1 ]
机构
[1] Univ Tor Vergata, Dept Biopathol & Imaging Diagnost, I-00133 Rome, Italy
[2] Tor Vergata Univ Hosp, Pediat Diabet Unit, Rome, Italy
[3] Univ Roma Tor Vergata, Dept Pediat, Rome, Italy
[4] Childrens Hosp Bambino Gesu, Rome, Italy
[5] La Jolla Inst Allergy & Immunol, Div Cell Biol, La Jolla, CA USA
关键词
genotypes; p53; type; 1; diabetes; T-CELLS; POLYMORPHISM; APOPTOSIS; GENETICS;
D O I
10.1515/JPEM.2011.058
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
In type 1 diabetes mellitus (T1D) p53 pathways are up-regulated and there is an increased susceptibility to apoptosis. The hypothesis is that p53 codon 72 polymorphism could be associated with T1D. A total of 286 children with T1D and a control sample of 730 subjects were studied. p53 codon 72 polymorphism was analysed by polymerase chain reaction. A large increase of p53 *Arg/* Arg was observed in T1D patients with age at onset <6 years. A strong linear correlation between *Arg/* Arg genotype and age at onset was observed in females. The involvement of the *Arg/* Arg genotype in apoptosis suggests that during the autoimmune process leading to T1D, genetic factors that favor apoptosis may contribute to the onset of overt disease.
引用
收藏
页码:437 / 439
页数:3
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