Article
Activated phosphoinositide 3-kinase δ syndrome caused by PIK3CD mutations: expanding the phenotype.
Pediatric rheumatology online journal - 29 Jan 2024
Zhao Peiwei, Huang Juan, Fu Huicong, Xu Jiali, Li Tianhong, Zhang Xiankai, Meng Qingjie, Zhang Lei, Tan Li, Zhang Wen, Chen Hebin, Lu Xiaoxia, Ding Yan, He Xuelian
Abstract excerpt
BACKGROUND: Germline heterozygous gain-of-function (GOF) mutations in the PIK3CD gene lead to a rare primary immunodeficiency disease known as activated phosphoinositide 3-kinase (PI3K) δ syndrome type 1(APDS1). Affected patients present a spectrum of clinical manifestations, particularly recurrent respiratory infections and lymphoproliferation, increased levels of serum immunoglobulin (Ig) M, Epstein-Barr virus...
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