Provided are construction of an eukaryotic expression vector and preparation of a stable-expression cell strain by using same. The method comprises: cloning an FH3 full-length gene to a pEGFP-N1 eukaryotic expression vector with a fluorescent protein tag; transfecting HAP-s cells by using the constructed eukaryotic expression vector; and establishing an FH3 stable-overexpression HAP-s cell line.
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