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Intra-Vκ Cluster Recombination Shapes the Ig Kappa Locus Repertoire

  • Kenta Shinoda
  • , Yaakov Maman
  • , Andres Canela
  • , David G. Schatz
  • , Ferenc Livak
  • , André Nussenzweig
  • National Institutes of Health
  • Kyoto University
  • Yale University

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Shinoda et al. demonstrate previously unknown, frequent RAG-dependent recombination within the Ig Vκ gene cluster, which is mediated by evolutionarily conserved flipped RSS embedded in bona fide RSS. These intra-Vκ cluster recombination events alter the available Vκ gene pool by deleting Vκ segments and shape the Vκ-Jκ immune repertoire.

Original languageEnglish
Pages (from-to)4471-4481.e6
JournalCell Reports
Volume29
Issue number13
DOIs
StatePublished - 24 Dec 2019

Bibliographical note

Publisher Copyright:
© 2019 The Author(s)

Funding

We thank Barry P. Sleckman for discussions and the pre-B cells lines; and Frederick W. Alt for suggestions and HTGTS protocols. D.G.S. was supported by NIH grant R01 AI32524 and K.S. was supported by a fellowship from the Uehara Memorial Foundation . Sequencing was performed by NCI CCR Genomics Core and flow cytometry analyses and sorting were performed at the NCI CCR LGI Flow Cytometry Core. The A.N. laboratory is supported by the Intramural Research Program of the NIH ; an Ellison Medical Foundation Senior Scholar in Aging Award ( AG-SS-2633-11 ); the Department of Defense Idea Expansion ( W81XWH-15-2-006 ) and Breakthrough ( W81XWH-16-1-599 ) awards; the Alex Lemonade Stand Foundation Award; and an NIH Intramural FLEX Award. We thank Barry P. Sleckman for discussions and the pre-B cells lines; and Frederick W. Alt for suggestions and HTGTS protocols. D.G.S. was supported by NIH grant R01 AI32524 and K.S. was supported by a fellowship from the Uehara Memorial Foundation. Sequencing was performed by NCI CCR Genomics Core and flow cytometry analyses and sorting were performed at the NCI CCR LGI Flow Cytometry Core. The A.N. laboratory is supported by the Intramural Research Program of the NIH; an Ellison Medical Foundation Senior Scholar in Aging Award (AG-SS-2633-11); the Department of Defense Idea Expansion (W81XWH-15-2-006) and Breakthrough (W81XWH-16-1-599) awards; the Alex Lemonade Stand Foundation Award; and an NIH Intramural FLEX Award. A.N. K.S. Y.M. and F.L. designed experiments. Y.M. performed bioinformatics analyses. K.S. and A.C. performed experiments. F.L. performed fluorescence-activated cell sorting (FACS). D.G.S. and F.L. provided expert advice, and A.N. supervised the project. K.S. Y.M. F.L. and A.N. wrote the manuscript with comments from the other authors. The authors declare no competing interests.

FundersFunder number
Department of Defense Idea ExpansionW81XWH-15-2-006, W81XWH-16-1-599
National Institutes of HealthR01 AI32524
National Cancer Institute
Ellison Medical FoundationAG-SS-2633-11
Alex's Lemonade Stand Foundation for Childhood Cancer
Uehara Memorial Foundation

    Keywords

    • END-seq
    • HTGTS
    • RAG
    • VDJ recombination
    • ig kappa locus
    • ig repertoire
    • immunoglobulin
    • recombination center
    • recombination signal sequence
    • variable

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