1. Signaling Pathways
  2. Immunology/Inflammation
  3. Galectin

Galectin

Galectins are a family of proteins that possess β-galactoside-binding properties through their carbohydrate recognition domains (CRDs). Galectins can be secreted from cells by nonclassic pathways to interact with external glycoconjugates and have a variety of activities both extra- and intracellularly, with important implicated roles in immunity, inflammation, and cancer.

Galectins can be classified according to the CRD features. Galectin-1, -2, -5, -7, -10, -11, -13, and -14 are composed of a CRD and a short N-terminal sequence (prototype). Galectin-4, -6, -8, -9, and -12 have two nonidentical CRDs in tandem with a short linker sequence (tandem-repeat type). Galectin-3 has an exceptional structure, with a CRD and an extended N-terminal domainconsisting of gycine/proline-rich repeats and a short N-terminal end (chimera type). Galectin-1 (Gal1), a carbohydrate-binding protein is implicated in cancer cell proliferation, invasion and tumour angiogenesis. Galectin-3 (Gal3) is a β-galactoside binding lectin that is highly expressed in fibrotic tissue of diverse etiologies.

Galectins have emerged as key players in the tumor microenvironment. Galectins are expressed and released by different celltypes, including tumor, stromal, endothelial and immune cells. Galectins critically influence tumor progression by modulating tumor cell migration, invasiveness, angiogenesis and antitumor immune responses. Intracellularly, galectins modulate survival and proliferation and they interact with a variety of signaling pathways. Given these extracellular and intracellular functions and their regulated expression at sites of tumor growth and metastasis, galectins have stimulated great interest as relevant biomarkers and novel targets in cancer therapy.

Galectin Related Products (4):

Cat. No. Product Name Effect Purity
  • HY-19756
    OTX008 Inhibitor 99.36%
    OTX008 is a selective inhibitor of galectin-1.
  • HY-P1592A
    G3-C12 TFA 99.44%
    G3-C12 (TFA) is a galectin-3 binding peptide, with Kd of 88 nM, and shows anticancer activity.
  • HY-P1592
    G3-C12
    G3-C12 is a galectin-3 binding peptide, with Kd of 88 nM, and shows anticancer activity.
  • HY-128852
    N-​Acetyl-​d-​galactosamine Inhibitor
    N-Acetyl-D-galactosamine (GalNAc) is a terminal essential amino sugar derived from galactose and forms the antigens of blood group A in humans. N-Acetyl-D-galactosamine (GalNAc) interact with Soya bean agglutinin (SBA), hence decreasing the effects of SBA on cellular membrane permeability and tight junction protein expression in piglets. N-Acetyl-D-galactosamine (GalNAc) inhibits the hemagglutinating activity by the lectin.
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