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Title: [The effects of different clinicopathologic variables on serum protein fingerprint in hepatocellular carcinoma patients]. Author: Huang C, Fan J, Zhou J, Liu YK, Cui JF. Journal: Zhonghua Wai Ke Za Zhi; 2006 Apr 01; 44(7):445-9. PubMed ID: 16772076. Abstract: OBJECTIVE: To investigate the effects of different clinicopathologic variables on serum protein fingerprint in hepatocellular carcinoma (HCC) patients. METHODS: Serum samples were collected from 112 HCC patients, Special serum protein or peptide spectra was determined by surface enhanced laser desorption/ionization-time of flight-mass spectrometry (SELDI-TOF-MS) measurement after treating the sample onto weak cation exchange (WCX2) protein chip for each case. The serum protein profiles were compared by BioMarker Wizard Software among the patients stratified according to gender, AFP, presence of portal vein tumor thrombus (PVTT), tumor size, tumor number, presence of cirrhosis, respectively. RESULTS: According to serum protein fingerprints of 112 HCC patients, a total of 100 protein peaks were identified at the m/z value ranging from 1100 to 30,000. (1) Sixteen significant differential proteins were found between the groups of HCC with single tumor and those with multiple tumors (P < 0.01). (2) Only one significant differential protein was found between the groups of HCC with tumor size > 3 cm and those with tumor size <or= 3 cm, and 4 significant differential proteins between the groups of HCC with tumor size > 5 cm and those with tumor size <or= 5 cm, while 3 significant differential proteins between the groups of HCC with tumor size > 10 cm and those with tumor size <or= 10 cm (P < 0.01). (3) Sixteen significant differential proteins were found between the groups of macroscopic portal vein tumor thrombus (Ma-PVTT) and those without PVTT (N-PVTT); Only 2 significant differential protein were found between the groups of microscopic portal vein tumor thrombus (Mi-PVTT) and N-PVTT (P < 0.01); eight significant differential proteins were found between the groups of Ma-PVTT and Mi-PVTT (P < 0.01). (4) No significant differential protein was found when patients stratified according to gender, presence of cirrhosis and AFP. CONCLUSIONS: PVTT, tumor number and tumor size had significant effects on serum protein fingerprint, while no significant effect on serum protein from gender, presence of cirrhosis and AFP. The most profound impact on the serum protein was attained when cutoff was chosen to be presence of Ma-PVTT compared to less effect from Mi-PVTT and 5cm for tumor size.[Abstract] [Full Text] [Related] [New Search]