CD48 on hematopoietic progenitors regulates stem cells and suppresses tumor formation

Nathan C. Boles, Kuanyin K. Lin, Georgi L. Lukov, Teresa V. Bowman, Megan T. Baldridge, Margaret A. Goodell

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The proliferation and differentiation of adult stem cells is balanced to ensure adequate generation of differentiated cells, stem cell homeostasis, and guard against malignant transformation. CD48 is broadly expressed on hematopoietic cells but excluded from quiescent longterm murine HSCs. Through its interactions with CD244 on progenitor cells, it influences HSC function by altering the BM cytokine milieu, particularly IFNγ. In CD48-null mice, the resultant misregulation of cytokine signaling produces a more quiescent HSC, a disproportionate number of short-term progenitors, and hyperactivation of Pak1, leading to hematologic malignancies similar to those found in patients with X-linked lymphoproliferative disease. CD48 plays a vital role as an environmental sensor for regulating HSC and progenitor cell numbers and inhibiting tumor development.

Original languageEnglish (US)
Pages (from-to)80-87
Number of pages8
JournalBlood
Volume118
Issue number1
DOIs
StatePublished - Jul 7 2011
Externally publishedYes

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Neoplastic Stem Cells
Stem cells
Tumors
Stem Cells
Cytokines
Adult Stem Cells
Lymphoproliferative Disorders
Hematologic Neoplasms
Sensors
Homeostasis
Cell Count
Neoplasms

ASJC Scopus subject areas

  • Hematology
  • Biochemistry
  • Cell Biology
  • Immunology

Cite this

Boles, N. C., Lin, K. K., Lukov, G. L., Bowman, T. V., Baldridge, M. T., & Goodell, M. A. (2011). CD48 on hematopoietic progenitors regulates stem cells and suppresses tumor formation. Blood, 118(1), 80-87. https://doi.org/10.1182/blood-2010-12-322339

CD48 on hematopoietic progenitors regulates stem cells and suppresses tumor formation. / Boles, Nathan C.; Lin, Kuanyin K.; Lukov, Georgi L.; Bowman, Teresa V.; Baldridge, Megan T.; Goodell, Margaret A.

In: Blood, Vol. 118, No. 1, 07.07.2011, p. 80-87.

Research output: Contribution to journalArticle

Boles, NC, Lin, KK, Lukov, GL, Bowman, TV, Baldridge, MT & Goodell, MA 2011, 'CD48 on hematopoietic progenitors regulates stem cells and suppresses tumor formation', Blood, vol. 118, no. 1, pp. 80-87. https://doi.org/10.1182/blood-2010-12-322339
Boles, Nathan C. ; Lin, Kuanyin K. ; Lukov, Georgi L. ; Bowman, Teresa V. ; Baldridge, Megan T. ; Goodell, Margaret A. / CD48 on hematopoietic progenitors regulates stem cells and suppresses tumor formation. In: Blood. 2011 ; Vol. 118, No. 1. pp. 80-87.
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