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Table 2 Cross-reactivity pattern of rheumatoid factors

From: VH3-21 B Cells Escape from a State of Tolerance in Rheumatoid Arthritis and Secrete Rheumatoid Factor

No. of Clones

Antibody Reactivity

IgG Fc

Actin

Keratin

ssDNA

Thyroglobulin

Tetanus Toxoid

2

+

+

+

+

+

+

1

+

+

+

+

+

1

+

+

+

+

1

+

+

+

+

1

+

+

+

+

1

+

+

+

+

1

+

+

+

1

+

+

4

+

+

3

+

+

3

+

+

4

+

+

45

+