Galectin - Reviews:

H. Leffler and U. Nilsson Low-Molecular Weight Inhibitors of Galectins. In Galectins and Disease – Implications for Targeted Therapies (A. A. Lyosov and P. G. Traber, eds.) ACS Symp. Ser. No. 1115, 2012, pp 47-59.
Leffler H, et al Introduction to galectins. Glycoconj J. 2004;19(7-9):433-40
Leffler H. Galectins structure and function–a synopsis. Results Probl Cell Differ. 2001;33:57-83.

Galectin Modulators:

van Hattum et al. Tuning the preference of thiodigalactoside- and lactosamine-based ligands to galectin-3 over galectin-1, J. Med. Chem., 2013, 56, 1350−1354.
Saraboji K et al. The Carbohydrate-Binding Site in Galectin-3 Is Preorganized To Recognize a Sugarlike Framework of Oxygens: Ultra-High-Resolution Structures and Water Dynamics. Biochemistry. 2011 
Collins PM et al. Taloside inhibitors of Galectin-1 and Galectin-3. Chem. Biol. Drug Des., 2012, 79, 339-346. 
Oberg CT et al Inhibition of galectins with small molecules.Chimia (Aarau). 2011;65(1-2):18-23
Masuyer G et al Inhibition mechanism of human galectin-7 by a novel galactose-benzylphosphate inhibitor.FEBS J., 2011, in press. 
Öberg CT et al Arene-Anion Based Arginine-Binding Motif On A Galactose Scaffold As Inhibitors of Arginine-Rich Galectins Chem. Eur. J., 2011, 17, 8139-8144.
Diehl C et al Protein flexibility and conformational entropy in ligand design targeting the carbohydrate recognition domain of galectin-3. J Am Chem Soc. 2010 Oct 20;132(41):14577-89. Highlighted in and illustrated on the cover of JACS Select 2011, #12
Salameh BA et al 1H-1,2,3-triazol-1-yl thiodigalactoside derivatives as high affinity galectin-3 inhibitors.Bioorg Med Chem. 2010 Jul 15;18(14):5367-78 
Tejler BA et al Fragment-based development of triazole-substituted O-galactosyl aldoximes with fragment-induced affinity and selectivity for galectin-3. Org. Biomol. Chem. 2009, 7, 3982-3990.
Öberg CT et al Arginine Binding Motifs: Design and Synthesis of Galactose-Derived Arginine Tweezers as Galectin Inhibitors. J. Med. Chem., 2008, 51, 2297-2301. 
Cumpstey I et al C2-Symmetrical Thiodigalactoside Derivatives Designed to Form Double Arginine-Arene Interactions with Galectin-3. Angew. Chem., Int. Ed., 2005, 44, 5110-5112. Featured in Chem. & Eng News, July 30 2007.
Sörme P et al Structural and thermodynamic studies on galectin-3 in complex with synthetic inhibitors: Carbohydrate-protein affinity enhancements through fine-tuning of an arginine-arene interaction J Am Chem Soc. 2005 Feb 16;127(6):1737-43.