Objective: The purpose of this study was to prepare and characterize a lipid magnetic ball modified with KRAS antibodies on the surface and to isolate circulating tumor cells of colorectal cancer with mutations.

Methods: The microemulsion method was used to form lipid bilayers to encapsulate Fe3O4 nanoparticles with superparamagnetism to form lipid magnetic balls, and antibodies were formed on the surface to form immune lipid magnetic balls.

Results: Compared with traditional EpCAM antibody-modified lipid magnetic balls, it can effectively improve the capture ability of colorectal cancer circulating tumor cells with mutation, the capture rate reaches 92.9%, and the capture results are consistent with clinical diagnosis and pathology.

Conclusion: Our results showed that antibody-modified lipid magnetic balls can be used in the diagnosis and treatment of colorectal cancer.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7568589PMC
http://dx.doi.org/10.2147/CMAR.S258565DOI Listing

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