Human Galectin 1 Recombinant Protein. Galectin-1 belongs to a large family of carbohydrate-binding proteins called lectins. Galectin-1can be either monomeric or homodimeric and is found in a wide variety of cells and tissue types. Galectin-1 can control cell growth, proliferation, induce apoptosis of activated T cells while it can also modulate cytokine secretion or inhibit pro-inflammatory cytokine production. Galectin-1 plays an important role in acute and chronic inflammation.