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T-bet–dependent S1P5 expression in NK cells promotes egress from lymph nodes and bone marrow

Open access
Jenne, Craig N., Enders, Anselm, Rivera, Richard, Watson, Susan R., Bankovich, Alexander J., Pereira, Joao P., Xu, Ying, Roots, Carla M., Beilke, Joshua N., Banerjee, Arnob, Reiner, Steven L., Miller, Sara A., Weinmann, Amy S., Goodnow, Chris C., Lanier, Lewis L., Cyster, Jason G., Chun, Jerold·2009·Journal of Experimental Medicine

Abstract

During a screen for ethylnitrosourea-induced mutations in mice affecting blood natural killer (NK) cells, we identified a strain, designated Duane, in which NK cells were reduced in blood and spleen but increased in lymph nodes (LNs) and bone marrow (BM). The accumulation of NK cells in LNs reflected a decreased ability to exit into lymph. This strain carries a point mutation within Tbx21 (T-bet), which generates a defective protein. Duane NK cells have a 30-fold deficiency in sphingosine-1-phosphate receptor 5 (S1P5) transcript levels, and S1P5-deficient mice exhibit an egress defect similar to Duane. Chromatin immunoprecipitation confirms binding of T-bet to the S1pr5 locus. S1P-deficient mice exhibit a more severe NK cell egress block, and the FTY720-sensitive S1P1 also plays a role in NK cell egress from LNs. S1P5 is not inhibited by CD69, a property that may facilitate trafficking of activated NK cells to effector sites. Finally, the accumulation of NK cells within BM of S1P-deficient mice was associated with reduced numbers in BM sinusoids, suggesting a role for S1P in BM egress. In summary, these findings identify S1P5 as a T-bet–induced gene that is required for NK cell egress from LNs and BM.

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Metadata

Authors
Jenne, C. N., Enders, A., Rivera, R., Watson, S. R., Bankovich, A. J., Pereira, J. P., Xu, Y., Roots, C. M., Beilke, J. N., Banerjee, A., Reiner, S. L., Miller, S. A., Weinmann, A. S., Goodnow, C. C., Lanier, L. L., Cyster, J. G., & Chun, J.
Venue
Journal of Experimental Medicine
Published
2009-10-06
Volume
206
Issue
11
Pages
2469-2481
ISSN
  • 0022-1007 (ISSN-L)
  • 1540-9538
OpenAlex
W2157586986
Cited by
334
References
54
FWCI
7.08
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: T-bet–dependent S1P5 expression in NK cells promotes egress from lymph nodes and bone marrow. https://app.cochat.ai/papers/10.1084/jem.20090525
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Jenne, C. N., Enders, A., Rivera, R., Watson, S. R., Bankovich, A. J., Pereira, J. P., Xu, Y., Roots, C. M., Beilke, J. N., Banerjee, A., Reiner, S. L., Miller, S. A., Weinmann, A. S., Goodnow, C. C., Lanier, L. L., Cyster, J. G., & Chun, J. (2009). T-bet–dependent S1P5 expression in NK cells promotes egress from lymph nodes and bone marrow. Journal of Experimental Medicine. https://doi.org/10.1084/jem.20090525

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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