Regulation of antigen receptor gene assembly in lymphocytes.
Level 5 - mechanism / opinion, no new human data
Narrative review of bench and molecular mechanism research.
PubMed 11444378 · doi:10.1385/IR:23:2-3:121
What was done
This narrative review synthesizes research from the author's laboratory investigating how developing B and T lymphocytes regulate stage- and tissue-specific V(D)J recombination, specifically examining chromatin accessibility mechanisms for common recombinase activity.
What was found
The abstract reports no numerical data. Qualitatively, it highlights that transcriptional promoters serve as critical cis-acting regulatory elements for targeting chromosomal gene segments for recombination, and that NF-kappaB signaling activation in precursor B cells is required for global regulation of immunoglobulin light chain gene assembly.
Why it matters
The paper describes molecular control points that enable diverse antigen receptor assembly while maintaining developmental stage- and cell-lineage specificity in mammalian immune systems.
Limits
The review relies on laboratory-specific basic science findings without systematic review methodology. The abstract provides no quantitative metrics, statistical analyses, or experimental model specifications (e.g., cell types or animal models).
Cited by
- supports Each T cell generates a unique receptor through random somatic DNA recombination rather than inheriting the specific sequence intact through the germline.