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1.
Article in Chinese | WPRIM | ID: wpr-921802

ABSTRACT

This paper aims to systematically analyze the peptides and proteins from Asini Corii Colla(ACC) through shotgun proteomics. After high-pH reversed-phase fractionation, the proteins and peptides in the hydrolysate of ACC were further separated by nano LC-Q-Exactive-MS/MS under the following conditions: Thermo Scientific EASY column(100 μm×2 cm, 5 μm, C_(18)) as precolumn, Thermo Scientific EASY column(75 μm×100 mm, 3 μm, C_(18)) for solid phase extraction, gradient elution with 0.1% formic acid in water(mobile phase A) and 84% acetonitrile in water containing 0.1% formic acid(mobile phase B), and MS in positive ion mode. Based on Uniprot_Equus caballus, MS data, and literature, 2 291 peptides were identified from ACC by MaxQuant, with 255 Maillard reactions(AML, CML, CEL)-modified peptides identified for the first time. Through alignment, the peptides were found to belong to 678 equine proteins. In conclusion, the combination of nano LC-Q-Exactive-MS/MS and shotgun proteomics achieved rapid and accurate identification of the proteins and peptides in ACC, which provides the key information and new insights for further investigation of chemicals and effective substances in ACC.


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Animals , Chromatography, Liquid , Horses , Peptides , Proteins , Proteomics , Tandem Mass Spectrometry
2.
Journal of Preventive Medicine ; (12): 355-357,365, 2015.
Article in Chinese | WPRIM | ID: wpr-792396

ABSTRACT

Objective To analyze the mental health status among Chinese officials for providing the evidence for mental health promotion.Methods Meta -analysis was used.The data were extracted from 1 995 to 201 2 published papers on the mental health of Chinese officials.And the results was compared with the norm established in 2006.Results The scores of SCL -90 scale among the police officials were significantly higher than that of the norm(P <0.05)and the effect fell in the middle effect scope of Cohen(0.2 <d <0.8),while there was no significant difference between the non -police group and the norm on the score (P >0.05 ).Conclusion The meta -analysis demonstrates that the mental health of Chinese officials is not optimistic.More attention should be paid to promote the officials'mental health.

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