Chem. J. Chinese Universities ›› 2009, Vol. 30 ›› Issue (6): 1116.

• Articles • Previous Articles     Next Articles

Metabonomic Studies on Intact Livers and Liver Extracts from Rats Treated with Neodymium Nitrate

LIAO Pei-Qiu1,2, WEI Lai1,2, LIU Wei3, WU Yi-Jie1, LI Xiao-Jing1*, NI Jia-Zuan1, PEI Feng-Kui1*   

  1. 1. Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China;
    2.Graduate School of the Chinese Academy of Sciences, Beijing 100049, China;
    3.Jilin Provincial Academy of Traditional Chinese Medicine, Changchun 130021, China
  • Received:2008-06-23 Online:2009-06-10 Published:2009-06-10
  • Contact: LI Xiao-Jing, E-mail: peifk@ciac.jl.cn; PEI Feng-Kui, E-mail: xjli@ciac.jl.cn
  • Supported by:

    国家自然科学基金(批准号: 20575065和20637010)资助.

Abstract:

The biochemical effects of neodymium nitrate were studied by NMR spectroscopic-based metabonomic approach. Male Wistar rats were treated intraperitoneally with different doses(2, 10 and 50 mg/kg body weight) of Nd(NO3)3. Liver samples from Nd3+-treated rats were analyzed either by 600 MHz 1H MAS NMR techniques for intact liver or using high resolution(liquid state) 1H NMR for liver chloroform/water/methanol extracts. All NMR spectra data were analyzed by pattern recognition using principal components analysis. Liver lesions induced by Nd(NO3)3 were represented by increased triglyceride, leucine(isoleucine), lactate, alanine, pyruvate, phosphocholine and glucose concentration, and reduced trimethylamine N-oxide(TMAO) concentration in liver. Histopathology examination showed cell necrosis and inflammation in the liver of 50 mg/kg body weight dosed rats. It was demonstrated that neodymium nitrate could cause damages to rats liver by disturbing the energy metabolism(glucose and lipid metabolism) and amino acid metabolism in the liver.

Key words: Nuclear magnetic resonance, Metabonomics, Pattern recognition, Liver, Neodymium nitrate, Biochemical effect

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