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Articles by Zhi-Fu Guo
Total Records ( 2 ) for Zhi-Fu Guo
  Ya-Dan Hou , Zhi-Fu Guo , Ying Yi , Hui-Nan Li , Hao-Ge Li , Li-Jing Chen , Hui Ma , Li Zhang , Jing-Wei Lin and Ming Zhong
  We investigated the changes in the concentrations of protein, soluble sugar, proline, malondialdehyde and the antioxidative enzyme activities of superoxide dismutase, peroxidase, catalase of three wheat (Triticum aestivum L.) cultivars, DN1, Mironovskaya 808 (M808) and Chinese Spring (CS) under cold stress and exogenous abscisic acid treatment in the growth chamber. The results on physiological indices suggested that DN1 and M808 were higher than that of CS on cold resistance. We also found that abscisic acid had significant impacts on cold resistance, suggesting that low concentration of abscisic acid could improve cold acclimation of wheat under low temperature and the high concentration could inhibit cold acclimation. Therefore, physiological changes in wheat seedlings are useful to better understand chilling stress responses in plants which promise to improve cold resistance of crops at low temperatures.
  An-Jing Ren , Zhi-Fu Guo , Yang-Kai Wang , Li Lin , Xing Zheng and Wen-Jun Yuan
  The high prevalence of obesity and diabetes will lead to higher rates of morbidity and mortality. It is well known that ghrelin plays a potential role in obesity and diabetes. Obestatin, a novel 23 amino acid amidated peptide encoded by the same gene that encodes ghrelin, was initially reported to have opposite actions to ghrelin in the regulation of food intake, emptying of the stomach and body weight. Recent work suggests that obestatin also regulate β-cell survival and insulin secretion. The ghrelin–obestatin system is, therefore, a promising target for the developing of new drugs for the treatment of obesity and diabetes. This review summarizes the interrelationship between obestatin, obesity and diabetes.
 
 
 
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