期刊
INTERNATIONAL JOURNAL OF PEPTIDE RESEARCH AND THERAPEUTICS
卷 20, 期 1, 页码 87-94出版社
SPRINGER
DOI: 10.1007/s10989-013-9367-7
关键词
Phage display; Peptide probe; Gastric carcinoma (GC); Molecular imaging; Early detection
资金
- Natural Scientific Foundation of China [81172359]
- PhD research startup foundation of Longnan teacher's college
Peptides selected from phage display have great potential to become probes for the imaging detection of the cancer. To develop the peptide probe for diagnosis of GC, a 12-mer phage display library was used to select peptides that bind specifically to the human GC cell line SGC-7901. After four rounds of in vitro selection, five phage clones that bound specifically to the SGC-7901 cells were selected. The phage clone GP-5 had a particularly high affinity and specificity for SGC-7901 cells. This clone was identified using a series of methods. The peptide GP-5 that was displayed on phage GP-5 exhibited high specificity to SGC-7901 cells and gastric tissues. Thus, the peptide GP-5 displays excellent potential for imaging detection of human gastric cancer.
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