CD138 mediates selection of mature plasma cells by regulating their survival

Mark J. McCarron, Pyong Woo Park, David R. Fooksman

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Antibody secreting cells (ASCs) are critical effector cells and long-lived sentinels for immune memory. ASCs are highly dependent on exogenous soluble factors such as interleukin-6 (IL-6) and April, to prevent their cell death. We have found that the canonical surface marker of ASCs, CD138 (syndecan-1), which is upregulated during ASC maturation, is required in a cell-intrinsic manner to mount an effective long-term humoral immune response following immunization. Surface expression of CD138 increased heparan sulfate levels on ASCs, which are known to bind pro-survival cytokines, leading to increased survival in a cell-intrinsic manner in vivo. In IL-6 and April-deficient hosts, ASCs underwent extensive apoptosis independently of CD138 expression. We propose a model in which CD138 expression on fully mature ASCs provides a selective survival advantage over less mature, newly minted ASCs, by enhancing pro-survival cytokine signaling.

Original languageEnglish (US)
Pages (from-to)2749-2759
Number of pages11
JournalBlood
Volume129
Issue number20
DOIs
StatePublished - May 18 2017

Fingerprint

Antibody-Producing Cells
Plasma Cells
Plasmas
Antibodies
Interleukin-6
Syndecan-1
Cytokines
Immunization
Heparitin Sulfate
Cell death
Humoral Immunity
Cell Death
Apoptosis
Data storage equipment

ASJC Scopus subject areas

  • Immunology
  • Biochemistry
  • Hematology
  • Cell Biology

Cite this

CD138 mediates selection of mature plasma cells by regulating their survival. / McCarron, Mark J.; Park, Pyong Woo; Fooksman, David R.

In: Blood, Vol. 129, No. 20, 18.05.2017, p. 2749-2759.

Research output: Contribution to journalArticle

McCarron, Mark J. ; Park, Pyong Woo ; Fooksman, David R. / CD138 mediates selection of mature plasma cells by regulating their survival. In: Blood. 2017 ; Vol. 129, No. 20. pp. 2749-2759.
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