Identification and Verification of the Main Differentially Expressed Proteins in Gastric Cancer via iTRAQ Combined with Liquid Chromatography-Mass Spectrometry.
机构：[1]Shenzhen Traditional Chinese Medicine Hospital, Shenzhen Guangdong 518000, China.[2]Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China.[3]Department of Oncology, Nanjing Jiangning Hospital of Traditional Chinese Medicine, Nanjing Jiangsu 211100, China.[4]Nanyang Traditional Chinese Medicine Hospital, Nanyang Henan 473000, China.[5]Department of Military Medical and Health Care, Characteristic Medical Center of Chinese People's Armed Police Forces, Tianjin 300162, China.
To find the potential intersections between the differentially expressed proteins and abnormally expressed genes in gastric cancer (GC) patients.Gastric cancer tissue and adjacent normal mucosa tissue were used for iTRAQ analysis. Gene ontology (GO), Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis, and protein-protein interaction (PPI) analysis were used to evaluate gene function. Western blotting and immunohistochemistry (IHC) were applied to verify the protein expression.A total of 2770 proteins were identified, of which 147 proteins were upregulated and 159 proteins were downregulated. GO analysis revealed that the differentially expressed genes were mainly enriched for the terms "cellular process," "binding," and "cell." The results of the KEGG analysis showed that the most abundantly enriched proteins were involved in the "focal adhesion" pathway. The results of the PPI analysis showed that VCAM1 was located at the center of the PPI network. Western blotting and IHC analysis demonstrated that VCAM1, FLNA, VASP, CAV1, PICK1, and COL4A2 were differentially expressed in GC and adjacent normal tissues, which was consistent with the results of the iTRAQ analysis.In conclusion, 6 highly differentially expressed proteins were identified as novel differentially expressed proteins in human GC. This exploratory research may provide useful information for the treatment of gastric cancer in the clinic.
基金：
National Natural Science Foundation of China (81273745), the Tianjin Science Foundation(11JCYBJC10900), the Sub Project of the Key Projects of Tianjin (grant no. 15ZXLCSY00040-08), and the Science and Technology Program of Tianjin, China (grant no.16ZXHLSY00120).
第一作者机构：[1]Shenzhen Traditional Chinese Medicine Hospital, Shenzhen Guangdong 518000, China.
通讯作者：
推荐引用方式(GB/T 7714)：
Zhihua Gao,Jiabao Wang,Yuru Bai,et al.Identification and Verification of the Main Differentially Expressed Proteins in Gastric Cancer via iTRAQ Combined with Liquid Chromatography-Mass Spectrometry.[J].ANALYTICAL CELLULAR PATHOLOGY.2019,2019:doi:10.1155/2019/5310684.
APA：
Zhihua Gao,Jiabao Wang,Yuru Bai,Jun Bao&Erqing Dai.(2019).Identification and Verification of the Main Differentially Expressed Proteins in Gastric Cancer via iTRAQ Combined with Liquid Chromatography-Mass Spectrometry..ANALYTICAL CELLULAR PATHOLOGY,2019,
MLA：
Zhihua Gao,et al."Identification and Verification of the Main Differentially Expressed Proteins in Gastric Cancer via iTRAQ Combined with Liquid Chromatography-Mass Spectrometry.".ANALYTICAL CELLULAR PATHOLOGY 2019.(2019)
