Preferential utilization of specific immunoglobulin heavy chain diversity and joining segments in adult human peripheral blood B lymphocytes

Masao Yamada, Robert Wasserman, Betty Anne Reichard, Sara Shane, Andrew J. Caton, Giovanni Rovera

Research output: Contribution to journalArticle

322 Citations (Scopus)

Abstract

We have examined at the molecular level the CDR3 and adjacent regions in peripheral blood B lymphocytes of normal individuals. A total of 111 sequences (12-28 sequences from six individuals) were obtained after cloning of the polymerase chain reaction-amplified segments into plasmids or phage. The average length of the VDJ joining was 109 nucleotides, with a range from 79 to 151. Approximately 75% of the sequences were in frame when translated into amino acids. Among the JH segments, JH4 was found most frequently (in 52.5% of the sequences), and JH1 and JH2 segments the least frequently (∼1% of the clones). A polymorphic JH6 gene with a one-codon deletion accompanied by a base change was present in two of six patients. Preferential breakpoints were found for JH2, JH3, JH4, and JH5, although the breakpoints of JH6 were distributed more heterogenously. In ∼90% of the cases, significant homology of the D regions with published D sequences was found. Preferential usage of a particular coding frame was observed in in-frame sequences utilizing DA, D21/9, and DM1 segments. However, in general, all coding frames of germline D genes were used to generate CDR3s. Eight sequences that have a DN1-like D sequence with two base changes at the same positions were identified, suggesting the likely existence of a new germ line D gene belonging to the DN families. Using probes specific for a particular CDR3, the frequency of a specific B cell clone in the peripheral blood of normal individuals was estimated to be at most as high as 1/20,000.

Original languageEnglish
Pages (from-to)395-407
Number of pages13
JournalJournal of Experimental Medicine
Volume173
Issue number2
Publication statusPublished - 1991
Externally publishedYes

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Immunoglobulin Heavy Chains
B-Lymphocytes
Clone Cells
Genes
Germ Cells
Codon
Bacteriophages
Organism Cloning
Plasmids
Nucleotides
Amino Acids
Polymerase Chain Reaction

ASJC Scopus subject areas

  • Immunology

Cite this

Preferential utilization of specific immunoglobulin heavy chain diversity and joining segments in adult human peripheral blood B lymphocytes. / Yamada, Masao; Wasserman, Robert; Reichard, Betty Anne; Shane, Sara; Caton, Andrew J.; Rovera, Giovanni.

In: Journal of Experimental Medicine, Vol. 173, No. 2, 1991, p. 395-407.

Research output: Contribution to journalArticle

Yamada, Masao ; Wasserman, Robert ; Reichard, Betty Anne ; Shane, Sara ; Caton, Andrew J. ; Rovera, Giovanni. / Preferential utilization of specific immunoglobulin heavy chain diversity and joining segments in adult human peripheral blood B lymphocytes. In: Journal of Experimental Medicine. 1991 ; Vol. 173, No. 2. pp. 395-407.
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