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Abstract:
alpha (v) beta (3) is overexpressed in various tumor cells and plays a key role in tumor genesis, invasion, and metastasis. Therefore, it is of great significance to precisely detect the alpha (v) beta (3) level in cells via a simple method. For this purpose, we have constructed a peptide-coated platinum (Pt) cluster. Due to its bright fluorescence, well-defined Pt atom numbers, and peroxidase-like catalytic activity, this cluster can be used to evaluate alpha (v) beta (3) levels in cells by fluorescence imaging, inductively coupled plasma mass spectrometry (ICP-MS), and catalytic amplification of visual dyes, respectively. In this report, the expression level of alpha (v) beta (3) in living cells is well-detected by the naked eye under an ordinary light microscope when the Pt cluster binds to alpha v beta 3 in cells and catalyzes non-color 3,3 & PRIME;-diaminobenzidine (DAB) into brown-colored molecules in situ. Moreover, SiHa, HeLa, and 16HBE cell lines with different alpha (v) beta (3) expression levels can be visually distinguished by the peroxidase-like Pt clusters. This research will provide a reliable method for the simple detection of alpha (v) beta (3) levels in cells.
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FRONTIERS IN CHEMISTRY
ISSN: 2296-2646
Year: 2023
Volume: 11
5 . 5 0 0
JCR@2022
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 0
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