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PLoS One. 2012;7(10):e44270. doi: 10.1371/journal.pone.0044270. Epub 2012 Oct 1.

Recombinant adiponectin does not lower plasma glucose in animal models of type 2 diabetes.

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  • 1Novo Nordisk A/S, Novo Nordisk Park, Måløv, Denmark.



Several studies have shown that adiponectin can lower blood glucose in diabetic mice. The aim of this study was to establish an effective adiponectin production process and to evaluate the anti-diabetic potential of the different adiponectin forms in diabetic mice and sand rats.


Human high molecular weight, mouse low molecular weight and mouse plus human globular adiponectin forms were expressed and purified from mammalian cells or yeast. The purified protein was administered at 10-30 mg/kg i.p. b.i.d. to diabetic db/db mice for 2 weeks. Furthermore, high molecular weight human and globular mouse adiponectin batches were administered at 5-15 mg/kg i.p. b.i.d. to diabetic sand rats for 12 days.


Surprisingly, none of our batches had any effect on blood glucose, HbA1c, plasma lipids or body weight in diabetic db/db mice or sand rats. In vitro biological, biochemical and biophysical data suggest that the protein was correctly folded and biologically active.


Recombinant adiponectin is ineffective at lowering blood glucose in diabetic db/db mice or sand rats.

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