Hemin is an iron-containing porphyrin. Hemin is an Heme oxygenase (HO)-1 inducer.
In Vitro Activity
Hemin and PGJ2, used as positive controls, strongly increase both expression and activity of HMOX after 4 and 12 h, respectively. Indeed, a significant effect is found of 30 μM Hemin on cell proliferation in all used cell lines after 48 h, which is dose-dependent. Hemin treatment decreases cell proliferation to 62±5 %, 51±3 %, and 38±8 % in PA-TU-8902, BxPC-3 and MiaPaCa-2 cancer cells, respectively, with p<0.0001 for all comparisons. Furthermore, enhancement of anti-proliferative effects of statins is observed by Hemin, documented as decreased cell proliferation after 48 h of co-treatment.
In Vivo Activity
Following the administration of Hemin (100 μmol/kg), the HO-1 level in the renal cortex begins to increase gradually. The HO-1 level reaches its peak 24 h after Hemin preconditioning. HO-1 is expressed mainly in the renal tubules. The HO-2 level in the kidney does not change following Hemin preconditioning.
Storage & Handling
Storage
4 °C, protect from light, stored under nitrogen
*In solvent : -80 °C, 6 months; -20 °C, 1 month (protect from light, stored under nitrogen)
Shipping
Room temperature in continental US; may vary elsewhere.
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