K Ohshima, M Kikuchi, S Kobari, Y Masuda, F Eguchi, N Kimura
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Amplified bcl-2/JH rearrangements in reactive lymphadenopathy.
Using the polymerase chain reaction (PCR) to examine the occurrence of bcl-2/JH joining produced by t(14;18) chromosomal translocation, amplified DNA was detected in 2 of 18 lymph nodes showing reactive lymphadenopathy. The PCR was repeated in these two lymph nodes using the same DNA samples, but no amplification was detected at the second attempt. Thus the amplified DNA was considered to be derived from one copy of joined bcl-2/JH in one cell, or from a few copies in a few clonal cells with the same joined bcl-2/JH. These results suggest that false joining of bcl-2/JH at the t(14;18) junction may occur in reactive lymph nodes.
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