Galectin-3 regulates T-cell functions

Daniel K. Hsu, Huan Yuan Chen, Fu-Tong Liu

Research output: Contribution to journalArticle

92 Citations (Scopus)

Abstract

Galectin-3 is absent in resting CD4+ and CD8+ T cells but is inducible by various stimuli. These include viral transactivating factors, T-cell receptor (TCR) ligation, and calcium ionophores. In addition, galectin-3 is constitutively expressed in human regulatory T cells and CD4 + memory T cells. Galectin-3 exerts extracellular functions because of its lectin activity and recognition of cell surface and extracellular matrix glycans. These include cell activation, adhesion, induction of apoptosis, and formation of lattices with cell surface glycoprotein receptors. Formation of lattices can result in restriction of receptor mobility and cause attenuation of receptor functions. Consistent with the presence of galectin-3 in intracellular locations, several functions have been described for this protein inside T cells. These include inhibition of apoptosis, promotion of cell growth, and regulation of TCR signal transduction. Studies of cell surface glycosylation have led to convergence of glycobiology and galectin biology and provided new clues on how galectin-3 may participate in the regulation of cell surface receptor activities. The rapid expansion of the field of galectin research has positioned galectin-3 as a key regulator in T-cell functions.

Original languageEnglish (US)
Pages (from-to)114-127
Number of pages14
JournalImmunological Reviews
Volume230
Issue number1
DOIs
StatePublished - Jul 2009

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Galectin 3
T-Lymphocytes
Galectins
Cell Surface Receptors
T-Cell Antigen Receptor
Glycomics
Apoptosis
Calcium Ionophores
Membrane Glycoproteins
Regulatory T-Lymphocytes
Glycosylation
Lectins
Cell Adhesion
Extracellular Matrix
Polysaccharides
Ligation
Signal Transduction
Growth
Research
Proteins

Keywords

  • Galectin-3
  • Lectin
  • T cells
  • T lymphocytes

ASJC Scopus subject areas

  • Immunology
  • Immunology and Allergy

Cite this

Galectin-3 regulates T-cell functions. / Hsu, Daniel K.; Chen, Huan Yuan; Liu, Fu-Tong.

In: Immunological Reviews, Vol. 230, No. 1, 07.2009, p. 114-127.

Research output: Contribution to journalArticle

Hsu, DK, Chen, HY & Liu, F-T 2009, 'Galectin-3 regulates T-cell functions', Immunological Reviews, vol. 230, no. 1, pp. 114-127. https://doi.org/10.1111/j.1600-065X.2009.00798.x
Hsu, Daniel K. ; Chen, Huan Yuan ; Liu, Fu-Tong. / Galectin-3 regulates T-cell functions. In: Immunological Reviews. 2009 ; Vol. 230, No. 1. pp. 114-127.
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