Journal
BIOTECHNOLOGY LETTERS
Volume 43, Issue 1, Pages 153-164Publisher
SPRINGER
DOI: 10.1007/s10529-020-03044-3
Keywords
Biopanning; Breast cancer; Peptide library; Targeting peptide
Categories
Funding
- National Natural Science Foundation of China [81660508]
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This study identified a potential peptide, CSB1, that could be used for developing new methods for molecular imaging detection and targeted chemotherapy for breast cancer.
Objectives Breast cancer is a popular fatal malignant tumor for women with high of rates incidence and mortality. Development of the new approaches for breast cancer targeted diagnosis and chemotherapy is emergently needed by the current clinical practice, the important first step is finding a breast cancer specifically binding molecule or fragment as early clinical indicators. Results By a phage-displayed peptide library, a 12-mer peptide, CSB1 was screened out using MCF-7 cells as the target. The consequently results under immunofluorescence and laser scanning confocal microscope (LSCM) indicated that CSB1 bound MCF-7 cells and breast cancer tissues specifically and sensitively with high affinity. Bioinformatics analysis suggested that the peptide CSB1 targets the 5-Lipoxygenase-Activating Protein (FLAP), which has been implicated in breast cancer progression and prognosis. Conclusions The peptide, CSB1 is of the potential as a candidate to be used for developing the new approaches of molecular imaging detection and targeting chemotherapy of breast cancer in the future.
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