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Cited by 301

The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.

Bruton's Tyrosine Kinase Is Required for Activation of Iκb Kinase and Nuclear Factor κb in Response to B Cell Receptor Engagement

Open access
Petro, James B., Rahman, S.M. Jamshedur, Ballard, Dean W., Khan, Wasif N.·2000·The Journal of Experimental Medicine

Abstract

Mutations in the gene encoding Bruton's tyrosine kinase (btk) cause the B cell deficiency diseases X-linked agammaglobulinemia (XLA) in humans and X-linked immunodeficiency (xid) in mice. In vivo and in vitro studies indicate that the BTK protein is essential for B cell survival, cell cycle progression, and proliferation in response to B cell antigen receptor (BCR) stimulation. BCR stimulation leads to the activation of transcription factor nuclear factor (NF)-κB, which in turn regulates genes controlling B cell growth. We now demonstrate that a null mutation in btk known to cause the xid phenotype prevents BCR-induced activation of NF-κB. This defect can be rescued by reconstitution with wild-type BTK. This mutation also interferes with BCR-directed activation of IκB kinase (IKK), which normally targets the NF-κB inhibitor IκBα for degradation. Taken together, these findings indicate that BTK couples IKK and NF-κB to the BCR. Interference with this coupling mechanism may contribute to the B cell deficiencies observed in XLA and xid.

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Crossref · 10.1084/jem.191.10.1745

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Metadata

Authors
Petro, J. B., Rahman, S. M. J., Ballard, D. W., & Khan, W. N.
Venue
The Journal of Experimental Medicine
Published
2000-05-15
Volume
191
Issue
10
Pages
1745-1754
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2093577878
Cited by
301
References
1
FWCI
9.30
Type
journal article
Language
en
Open access
bronze

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