Table 1.

HLA class II alleles and TCR Vβ gene segments oligoclonally expanded after stimulation with β2GPI in patients with APS and in healthy responders

Study subjectsAge (y)/sexDiagnosisHLA class II allelesTCR Vβ oligoclonally expanded after β2-GPI stimulation*
DRB1DRB4DQB1DPB1
APS patients        
 APS2 35/F P-APS *0405/*1202 *0103 *0301/*0401 *0201/*0501 7 
 APS3 39/F P-APS *1502/*0901 *0103 *0601/*0303 *0501/*0901 1,7, 13.1, 24 
 APS4 40/F SLE-APS *1501/*0403 *0103 *0602/*0302 *0201 5.1,7 
 APS8 28/F SLE-APS *1101/*0901 *0103 *0301/*0303 *0501 4,8, 15 
 APS12 56/F P-APS *0406 *0103 *0302 *0501 3,7, 8 
Healthy subjects        
 HD2 37/M  *0803/*0901 *0103 *0601/*0303 *0501 8,22 
 HD4 45/M  *0101/*0403 *0103 *0501/*0302 *0501 7, 8, 13.1, 21 
 HD11 39/F  *0406/*1201 *0103 *0301/*0302 *0201/*0501 7,12, 18 
Study subjectsAge (y)/sexDiagnosisHLA class II allelesTCR Vβ oligoclonally expanded after β2-GPI stimulation*
DRB1DRB4DQB1DPB1
APS patients        
 APS2 35/F P-APS *0405/*1202 *0103 *0301/*0401 *0201/*0501 7 
 APS3 39/F P-APS *1502/*0901 *0103 *0601/*0303 *0501/*0901 1,7, 13.1, 24 
 APS4 40/F SLE-APS *1501/*0403 *0103 *0602/*0302 *0201 5.1,7 
 APS8 28/F SLE-APS *1101/*0901 *0103 *0301/*0303 *0501 4,8, 15 
 APS12 56/F P-APS *0406 *0103 *0302 *0501 3,7, 8 
Healthy subjects        
 HD2 37/M  *0803/*0901 *0103 *0601/*0303 *0501 8,22 
 HD4 45/M  *0101/*0403 *0103 *0501/*0302 *0501 7, 8, 13.1, 21 
 HD11 39/F  *0406/*1201 *0103 *0301/*0302 *0201/*0501 7,12, 18 
*

TCR Vβ segments detected in 2 or more subjects are shown in bold.

P-APS, primary APS; SLE-APS, secondary APS accompanied by systemic lupus erythematosus.

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