Abstract:To determine the Vkappa gene utilization in cord blood, we made libraries of Igkappa sequences from two cord blood cDNA samples. The rearranged sequences were amplified using random amplification of cDNA ends PCR, ensuring unbiased amplification of all Vkappa genes. Although the human kappa locus contains approximately 38 potentially functional V genes, we observed that approximately 75% of the 146 sequences from our two samples used only nine Vkappa genes. Using leader-specific primers, we also amplified Vkap… Show more
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