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Table 4 Replacement to silent ratio (R/S ratio) of productive Vκ gene rearrangements of B cells from the peripheral blood and from the parotid gland of a patient with Sjögren's syndrome (SS), and of peripheral blood B cells from normal healthy subjects (NHS)

From: Analysis of immunoglobulin light chain rearrangements in the salivary gland and blood of a patient with Sjögren's syndrome

SS peripheral blood productively rearranged genes

SS parotid gland productively rearranged genes

Comparison of R/S ratios, P*

NHS peripheral blood productively rearranged genes

FR1

0/0 (nd)

2/2 (1.0)

nd

 

CDR1

17/3 (5.7)

52/14 (3.7)

ns

(4.7)

FR2

5/2 (2.5)

23/15 (1.5)

ns

(1.3)

CDR2

8/0 (nd)

31/6 (5.2)

ns

(5.4)

FR3

9/6 (1.5)

30/28 (1.1)

ns

(1.4)

CDR3

15/4 (3.8)

23/9 (2.55)

ns

(5.0)

CDR

40/7 (5.7)

106/29 (3.7)

ns

345/70 (4.9)

FR

14/8 (1.8)

55/45 (1.2)

ns

195/144 (1.4)

Total Vκ

gene 54/15 (3.6)

161/74 (2.2)

ns

540/214 (2.5)

  1. Because of the small number of mutations exhibited by nonproductively rearranged Vκ genes of B cells from the parotid gland and from the peripheral blood, only productive Vκ rearrangements were analyzed. FR, framework regions; CDR, complementary determining regions. * Statistical difference between the R/S ratio of productively rearranged Vκ genes from the parotid gland versus peripheral blood from a patient with SS (nd, not determined; ns, not significant).