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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Individual VH genes detected with oligonucleotide probes from the complementarity-determining regions.

The germ-line and expressed Ig repertoire was examined with three oligonucleotide probes from the CDR regions of VH18/2, a VH gene from the largest human VH gene family, VHIII. Each oligonucleotide probe detected small numbers of germ-line bands (1-5) under conditions in which single base differences can be detected; more than half of these bands were polymorphic. The combined results from pairs of oligonucleotides from CDR1 and CDR2 identified a single band on Southern blots, as did a probe from the 5' end of CDR2. This band contains the 18/2 germ-line gene. The nucleotide sequence of expressed VH genes that hybridized to both CDR probes or to the 5' CDR2 probe were greater than or equal to 97% homologous to 18/2 in both the framework and CDR regions. This group of closely related VH genes, the 18/2 CDR family, appears to be overexpressed. The role of polymorphisms and differential expression of individual V genes in multigenic autoimmune diseases, as well as the organization and expression of individual V genes, can be examined with pairs of oligonucleotides from CDR1 and the 3' end of CDR2, or with probes from the 5' end of CDR2.[1]

References

  1. Individual VH genes detected with oligonucleotide probes from the complementarity-determining regions. Guillaume, T., Rubinstein, D.B., Young, F., Tucker, L., Logtenberg, T., Schwartz, R.S., Barrett, K.J. J. Immunol. (1990) [Pubmed]
 
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