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Table 1 Classification of studied groups

From: Signaling mechanisms of a water soluble curcumin derivative in experimental type 1 diabetes with cardiomyopathy

Groups  
Group 1(a) Control: 20 rats.
Group 1(b) Pathological control: Twenty streptozotocin-induced diabetic rats
Group 2(a) Twenty control rats that received a daily oral dose of the water soluble curcumin derivative (NCD) at a dose of 20 mg/kg body weight for 45 days.
Group 2(b) Twenty diabetic rats that received a daily oral dose of the NCD at a dose of 20 mg/kg body weight for 45 days after the induction of DM.
Group 3(a) Twenty diabetic rats that received a daily oral dose of the NCD at a dose of 20 mg/kg body weight for 45 days after induction of DM and a weekly intraperitoneal (i.p.) dose of HO-1 inhibitor, ZnPP IX (10 μmol/Kg dissolved in sodium hydroxide 0.1 N and sodium chloride 0.9% and pH adjusted to pH 7.4) for 6 weeks.
Group 3(b) Twenty diabetic rats that received a weekly i.p. dose of HO-1 inhibitor, ZnPP IX (10 μmol/Kg dissolved in sodium hydroxide 0.1 N and sodium chloride 0.9% and pH adjusted to pH 7.4) for 6 weeks.
Group 4 Twenty diabetic rats that received a daily oral dose of pure curcumin at a dose of 20 mg/kg body weight for 45 days after induction of DM.