Variable region gene analysis of 2 human monoclonal-antibodies to gd3.

Int J Oncol

AICHI RED CROSS BLOOD CTR,SETO 489,JAPAN. NAGASAKI UNIV,SCH MED,DEPT ONCOL,NAGASAKI 852,JAPAN.

Published: April 1993

We analyzed the genetic origins of anti-GD3 antibodies by comparing nucleotide sequences of the variable regions from the human monoclonal antibody (mAb), 27-26 (mu, k), established from a patient with leukemia, and another human anti-GD3 mAb, HJM-1 (mu, lambda) derived from a patient with melanoma. The variable regions of 27-26 and HJM-1 were remarkably similar to the germ-line genes. The mAb 27-26 was thought to be derived from germ-line repertoire expanded throughout our experiment. HJM-1 was derived from lymphocytes stimulated by GD3 abundantly expressed on melanoma cells.

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http://dx.doi.org/10.3892/ijo.2.4.483DOI Listing

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