Galectin-3 and regulation of cell function

Daniel K. Hsu, Ichiro Kuwabara, Fu-Tong Liu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The galectin family is phylogenically conserved in metazoans, presently consisting of 14 identified members in mammals, and galectin-3 is one of the most abundant, widely distributed, and well-studied members. It is present intracellularly in nuclear and cytoplasmic compartments, but is also secreted through an unconventional mechanism that involves vesicles and exosomes and, consequently, present outside the cell. While galectin-3 shares many features with other galectins, including cellular compartmentalization and functions, it appears to be unique in its structural constituency in the N-terminal domain, which is rich in proline, glycine, and alanine. It is through this domain that galectin-3 is able to form oligomers, and this may be one feature that functionally differentiates it from other galectins. Galectin-3 has been associated with several intracellular and extracellular functions, and recent investigations have uncovered proteins through which this lectin mediates its activities. The availability of targeted mutant mice deficient in galectin-3 and other proteins has also contributed to our appreciation of the breadth of processes in which this protein is involved. Among cell functions attributable to galectin-3 are some that are associated with neoplastic transformation and invasiveness, but the most extensively documented ones are those related to the immune and inflammatory responses.

Original languageEnglish (US)
Pages (from-to)83-96
Number of pages14
JournalTransfusion Medicine and Hemotherapy
Volume32
Issue number2
DOIs
StatePublished - 2005

Fingerprint

Galectin 3
Galectins
Exosomes
Proteins
Lectins
Proline
Alanine
Glycine
Mammals

Keywords

  • Functional properties
  • Galectin-3
  • Galectins
  • Tissue distribution

ASJC Scopus subject areas

  • Critical Care and Intensive Care Medicine
  • Immunology and Allergy
  • Hematology

Cite this

Galectin-3 and regulation of cell function. / Hsu, Daniel K.; Kuwabara, Ichiro; Liu, Fu-Tong.

In: Transfusion Medicine and Hemotherapy, Vol. 32, No. 2, 2005, p. 83-96.

Research output: Contribution to journalArticle

Hsu, Daniel K. ; Kuwabara, Ichiro ; Liu, Fu-Tong. / Galectin-3 and regulation of cell function. In: Transfusion Medicine and Hemotherapy. 2005 ; Vol. 32, No. 2. pp. 83-96.
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