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Table 1 TCR J α gene segment usage by V α 2.3 + lung accumulated CD4 + BAL T cells recovered from four sarcoidosis patients (Patients 1–4) and the number of identical nucleotide α -sequences found repeatedly within individual J α segments

From: Restricted Usage of T Cell Receptor Vα/Jα Gene Segments with Different Nucleotide but Identical Amino Acid Sequences in HLA-DR3+ Sarcoidosis Patients

Jα Segment Patient
1 2 3 4
1.3   2   
1.4 1 1 2 2
     2 identical
1.5 2   1  
1.8   2 3 (17%) 7 (39%)b
     2 identical
3.1     1
3.2 1    1
4.1 2    
  2 identical    
6.1   2   
   2 identical   
9.5   1   
9.7    3 (17%)  
    3 identical  
9.11 1 9 (18%)a 1 1
   2 identical   
9.14 1    2
     2 identical
9.15 1 2   
   2 identical   
14.1 2 1   1
14.4   1   
15.1   1   
15.2   7 (14%) 1  
   6 identical   
15.3 2 2 1 2
16.3   3 (6%) 1  
16.6 3 (10%) 7 (14%) 1  
   6 identical   
17.2   1   
17.3 8 (26%) 3 (6%)   
  2 + 2 identical 2 identical   
17.5 1    
17.6    2  
17.7 1    
17.9 2 4 (8%) 1  
  2 identical 3 identical   
17.10 3 (10%) 2 1 1
  1. Individual Jα family members used ≥3 times are marked by shadowing.
  2. a2 + 4 of the amino acid sequences were identical (see Table 2).
  3. b5 of the amino acid sequences were identical (see Table 3).