A comparative proteomics analysis of peritoneal dialysate before and after the occurrence of peritonitis episode by mass spectrometry

doi:10.1016/j.cca.2012.10.010

CNU IR > College of Sustainable Environment and Recreation > Dept. of Sports Management > Periodical Articles > Item 310902800/27758

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題名:	A comparative proteomics analysis of peritoneal dialysate before and after the occurrence of peritonitis episode by mass spectrometry
作者:	Tyan, Yu-Chang Su, Shih-Bin Ting, Sing-Sing Wang, Hsien-Yi Liao, Pao-Chi
貢獻者:	運動管理系
關鍵詞:	Peritoneal Dialysis Peritoneal Dialysate Peritonitis Proteomics
日期:	2013-05
上傳時間:	2014-05-26 10:42:28 (UTC+8)
出版者:	Elsevier Science Bv
摘要:	Background: Peritoneal dialysis (PD) is one of the therapeutic options for the end-stage renal disease (ESRD) patients. The peritoneal membrane is immersed in a high glucose concentration of the peritoneal dialysate, which may cause structural and functional damage. Peritonitis is one of the major complications of PD, which will accelerate the damage of peritoneal membrane by increasing the peritoneal permeability and decrease the ultrafiltration efficiency. It will cause the peritoneal membrane dysfunction and the patient may have fluid overload related complications or hemodialysis.Methods: To enhance our understanding of peritoneal dialysate, the peritoneal dialysate proteins were identified by 2-dimensional gel electrophoresis (2DE) combined with reverse phase nano-high performance liquid chromatography electrospray ionization tandem mass spectrometry (RP-nano-HPLC-ESI-MS/MS) followed by peptide fragmentation pattern.Results: We performed 2DE on the 12 peritoneal dialysate before/after peritonitis, and more than 350 spots were detected. Among these protein spots, 136 spots of the 2DE were excised, in-gel digested and identified by nano-HPLC-ESI-MS/MS. A total of 41 proteins were identified with high levels of confidence. Ten of these were significantly differentially expressed between the peritoneal dialysate samples before/after peritonitis.Conclusion: The present study was designed to establish optimal techniques to develop a proteomic map of peritoneal dialysate proteins. These proteins may not be new biomarkers; however, they may indicate a situation for possible drug treatment and can be the predictors of peritonitis for the validation study in the further. (c) 2012 Elsevier B.V. All rights reserved.
關聯:	Clinica Chimica Acta, v.420 n.SI pp.34-44
顯示於類別:	[Dept. of Sports Management] Periodical Articles

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