The galectins are a family of beta-galactoside-binding proteins implicated in modulating cell–cell and cell–matrix interactions. Differential and in situ hybridizations indicate that this lectin is specifically expressed in keratinocytes. It is expressed at all stages of epidermal differentiation (i.e., in basal and suprabasal layers). It is moderately repressed by retinoic acid. The protein was found mainly in stratified squamous epithelium. The antigen localized to basal keratinocytes, although it was also found, albeit at lower levels, in the suprabasal layers where it concentrated to areas of cell-to-cell contact. The cellular localization and its striking down-regulation in cultured keratinocytes imply a role in cell–cell and/or cell–matrix interactions necessary for normal growth control.[7]
Polyak K, Xia Y, Zweier JL, et al. (1997). "A model for p53-induced apoptosis". Nature. 389 (6648): 300–5. doi:10.1038/38525. PMID9305847. S2CID4429638.
Magnaldo T, Fowlis D, Darmon M (1998). "Galectin-7, a marker of all types of stratified epithelia". Differentiation. 63 (3): 159–68. doi:10.1046/j.1432-0436.1998.6330159.x. PMID9697310.
Leonidas DD, Vatzaki EH, Vorum H, et al. (1998). "Structural basis for the recognition of carbohydrates by human galectin-7". Biochemistry. 37 (40): 13930–40. doi:10.1021/bi981056x. PMID9760227.
Cao Z, Said N, Wu HK, et al. (2003). "Galectin-7 as a potential mediator of corneal epithelial cell migration". Arch. Ophthalmol. 121 (1): 82–6. doi:10.1001/archopht.121.1.82. PMID12523890.
Saussez S, Cucu DR, Decaestecker C, et al. (2006). "Galectin 7 (p53-induced gene 1): a new prognostic predictor of recurrence and survival in stage IV hypopharyngeal cancer". Ann. Surg. Oncol. 13 (7): 999–1009. doi:10.1245/ASO.2006.08.033. PMID16788763. S2CID12521102.
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PDB gallery
1bkz: CRYSTAL STRUCTURE OF HUMAN GALECTIN-7
2gal: CRYSTAL STRUCTURE OF HUMAN GALECTIN-7 IN COMPLEX WITH GALACTOSE
3gal: CRYSTAL STRUCTURE OF HUMAN GALECTIN-7 IN COMPLEX WITH GALACTOSAMINE
4gal: CRYSTAL STRUCTURE OF HUMAN GALECTIN-7 IN COMPLEX WITH LACTOSE
5gal: CRYSTAL STRUCTURE OF HUMAN GALECTIN-7 IN COMPLEX WITH N-ACETYLLACTOSAMINE
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