Oxysterol Gradient Generation by Lymphoid Stromal Cells Guides Activated B Cell Movement during Humoral Responses

Tangsheng Yi, Xiaoming Wang, Lisa M. Kelly, Jinping An, Ying Xu, Andreas W. Sailer, Jan Ake Gustafsson, David W. Russell, Jason G. Cyster

Research output: Contribution to journalArticle

102 Citations (Scopus)

Abstract

7α,25-dihydroxycholesterol (7α,25-OHC) is a ligand for the G protein-coupled receptor EBI2; however, the cellular sources of this oxysterol are undefined. 7α,25-OHC is synthesized from cholesterol by the stepwise actions of two enzymes, CH25H and CYP7B1, and is metabolized to a 3-oxo derivative by HSD3B7. We showed that all three enzymes control EBI2 ligand concentration in lymphoid tissues. Lymphoid stromal cells were the main CH25H- and CYP7B1-expressing cells required for positioning of B cells, and they also mediated 7α,25-OHC inactivation. CH25H and CYP7B1 were abundant at the follicle perimeter, whereas CH25H expression by follicular dendritic cells was repressed. CYP7B1, CH25H, and HSD3B7 deficiencies each resulted in defective T cell-dependent plasma cell responses. These findings establish that CYP7B1 and HSD3B7, as well as CH25H, have essential roles in controlling oxysterol production in lymphoid tissues, and they suggest that differential enzyme expression in stromal cell subsets establishes 7α,25-OHC gradients required for B cell responses.

Original languageEnglish (US)
Pages (from-to)535-548
Number of pages14
JournalImmunity
Volume37
Issue number3
DOIs
StatePublished - Sep 21 2012

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Stromal Cells
Cell Movement
B-Lymphocytes
Lymphocytes
Lymphoid Tissue
Enzymes
Follicular Dendritic Cells
Ligands
G-Protein-Coupled Receptors
Plasma Cells
Cholesterol
7,25-dihydroxycholesterol
Oxysterols
T-Lymphocytes

ASJC Scopus subject areas

  • Immunology and Allergy
  • Infectious Diseases
  • Immunology

Cite this

Oxysterol Gradient Generation by Lymphoid Stromal Cells Guides Activated B Cell Movement during Humoral Responses. / Yi, Tangsheng; Wang, Xiaoming; Kelly, Lisa M.; An, Jinping; Xu, Ying; Sailer, Andreas W.; Gustafsson, Jan Ake; Russell, David W.; Cyster, Jason G.

In: Immunity, Vol. 37, No. 3, 21.09.2012, p. 535-548.

Research output: Contribution to journalArticle

Yi, T, Wang, X, Kelly, LM, An, J, Xu, Y, Sailer, AW, Gustafsson, JA, Russell, DW & Cyster, JG 2012, 'Oxysterol Gradient Generation by Lymphoid Stromal Cells Guides Activated B Cell Movement during Humoral Responses', Immunity, vol. 37, no. 3, pp. 535-548. https://doi.org/10.1016/j.immuni.2012.06.015
Yi, Tangsheng ; Wang, Xiaoming ; Kelly, Lisa M. ; An, Jinping ; Xu, Ying ; Sailer, Andreas W. ; Gustafsson, Jan Ake ; Russell, David W. ; Cyster, Jason G. / Oxysterol Gradient Generation by Lymphoid Stromal Cells Guides Activated B Cell Movement during Humoral Responses. In: Immunity. 2012 ; Vol. 37, No. 3. pp. 535-548.
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