{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,27]],"date-time":"2026-09-27T01:36:15Z","timestamp":1790472975686,"version":"4.1.0"},"reference-count":39,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2010,2,5]],"date-time":"2010-02-05T00:00:00Z","timestamp":1265328000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["bpspubs.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["British J Pharmacology"],"published-print":{"date-parts":[[2010,3]]},"abstract":"<jats:p><jats:bold>Background and purpose:\u2002<\/jats:bold> Mucopolysaccharidoses (MPS) are lysosomal storage disorders resulting from a deficit of specific lysosomal enzymes catalysing glycosaminoglycan (GAG) degradation. The typical pathology involves most of the organ systems, including the brain, in its severe forms. The soy isoflavone genistein has recently attracted considerable attention as it can reduce GAG synthesis <jats:italic>in vitro<\/jats:italic>. Furthermore, genistein is able to cross the blood\u2013brain barrier in the rat. The present study was undertaken to assess the ability of genistein to reduce urinary and tissue GAG levels <jats:italic>in vivo<\/jats:italic>.<\/jats:p><jats:p><jats:bold>Experimental approach:\u2002<\/jats:bold> We used mice with genetic deletion of iduronate\u20102\u2010sulphatase (one of the GAG catabolizing enzymes) which provide a model of MPS type II. Two doses of genistein, 5 or 25\u2003mg\u00b7kg<jats:sup>\u22121<\/jats:sup>\u00b7day<jats:sup>\u22121<\/jats:sup>, were given, in the diet for 10 or 20 weeks. Urinary and tissue GAG content was evaluated by biochemical and histochemical procedures.<\/jats:p><jats:p><jats:bold>Key results:\u2002<\/jats:bold> Urinary GAG levels were reduced after 10 weeks' treatment with genistein at either 5 or 25\u2003mg\u00b7kg<jats:sup>\u22121<\/jats:sup>\u00b7day<jats:sup>\u22121<\/jats:sup>. In tissue samples from liver, spleen, kidney and heart, a reduction in GAG content was observed with both dosages, after 10 weeks' treatment. Decreased GAG deposits in brain were observed after genistein treatment in some animals.<\/jats:p><jats:p><jats:bold>Conclusions and implications:\u2002<\/jats:bold> There was decreased GAG storage in the MPSII mouse model following genistein administration. Our results would support the use of this plant\u2010derived isoflavone in a combined therapeutic protocol for treatment of MPS.<\/jats:p>","DOI":"10.1111\/j.1476-5381.2009.00565.x","type":"journal-article","created":{"date-parts":[[2010,2,5]],"date-time":"2010-02-05T14:03:39Z","timestamp":1265378619000},"page":"1082-1091","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":79,"title":["Genistein reduces glycosaminoglycan levels in a mouse model of mucopolysaccharidosis type 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