Systemic lupus erythematosus in the light of the regulatory effects of galectin-1 on T-cell function

Hornung, E. Monostori, L. Kovács

Research output: Contribution to journalReview article

1 Citation (Scopus)

Abstract

Galectin-1 is an endogenous immunoregulatory lectin-type protein. Its most important effects are the inhibition of the differentiation and cytokine production of Th1 and Th17 cells, and the induction of apoptosis of activated T-cells. Galectin-1 has been identified as a key molecule in antitumor immune surveillance, and data are accumulating about the pathogenic role of its deficiency, and the beneficial effects of its administration in various autoimmune disease models. Initial animal and human studies strongly suggest deficiencies in both galectin-1 production and responsiveness in systemic lupus erythematosus (SLE) T-cells. Since lupus features widespread abnormalities in T-cell activation, differentiation and viability, in this review the authors wished to highlight potential points in T-cell signalling processes that may be influenced by galectin-1. These points include GM-1 ganglioside-mediated lipid raft aggregation, early activation signalling steps involving p56Lck, the exchange of the CD3-ZAP-70 to the FcR3-Syk pathway, defective mitogen-activated protein kinase pathway activation, impaired regulatory T-cell function, the failure to suppress the activity of interleukin 17 (IL-17) producing T-cells, and decreased suppression of the PI3K-mTOR pathway by phosphatase and tensin homolog (PTEN). These findings place galectin-1 into the group of potential pathogenic molecules in SLE.

Original languageEnglish
Pages (from-to)339-347
Number of pages9
JournalLupus
Volume26
Issue number4
DOIs
Publication statusPublished - Apr 1 2017

Fingerprint

Galectin 1
Systemic Lupus Erythematosus
T-Lymphocytes
Th17 Cells
Th1 Cells
Interleukin-17
Gangliosides
Regulatory T-Lymphocytes
Mitogen-Activated Protein Kinases
Phosphatidylinositol 3-Kinases
Phosphoric Monoester Hydrolases
Lectins
Autoimmune Diseases
Cell Differentiation
Cell Survival
Apoptosis
Cytokines
Lipids
Proteins

Keywords

  • apoptosis
  • Galectin-1
  • GM-1 ganglioside
  • immunoregulation
  • SLE
  • T-cell dysfunction

ASJC Scopus subject areas

  • Rheumatology

Cite this

Systemic lupus erythematosus in the light of the regulatory effects of galectin-1 on T-cell function. / Hornung, ; Monostori, E.; Kovács, L.

In: Lupus, Vol. 26, No. 4, 01.04.2017, p. 339-347.

Research output: Contribution to journalReview article

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