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J Tradit Complement Med. 2015 Jan 31;6(2):176-83. doi: 10.1016/j.jtcme.2014.11.034. eCollection 2016 Apr.

Curcumin improves liver damage in male mice exposed to nicotine.

Author information

1
Fertility and Infertility Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran.
2
Student of medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
3
Anatomy Department, Kermanshah University of Medical Sciences, Kermanshah, Iran.

Abstract

The color of turmeric ( jiāng huáng) is because of a substance called curcumin. It has different pharmacological effects, such as antioxidant and anti-inflammatory properties. Nicotine is a major pharmacologically active substance in cigarette smoke. It is mainly metabolized in the liver and causes devastating effects. This study was designed to evaluate the protective role of curcumin against nicotine on the liver in mice. Forty-eight mice were equally divided into eight groups; control (normal saline), nicotine (2.5 mg/kg), curcumin (10, 30, and 60 mg/kg) and curcumin plus nicotine-treated groups. Curcumin, nicotine, and curcumin plus nicotine (once a day) were intraperitoneally injected for 4 weeks. The liver weight and histology, aspartate aminotransferase (AST), alanine aminotransferase (ALT), alkaline phosphatase (ALP), and serum nitric oxide levels have been studied. The results indicated that nicotine administration significantly decreased liver weight and increased the mean diameter of hepatocyte, central hepatic vein, liver enzymes level, and blood serum nitric oxide level compared with the saline group (p < 0.05). However, curcumin and curcumin plus nicotine administration substantially increased liver weight and decreased the mean diameter of hepatocyte, central hepatic vein, liver enzymes, and nitric oxide levels in all groups compared with the nicotine group (p < 0.05). Curcumin demonstrated its protective effect against nicotine-induced liver toxicity.

KEYWORDS:

curcumin; damage; liver; mice; nicotine

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