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Reconstructed embryos derived from transgenic cells were able to develop in vitro successfully. PCR was carried out and results demonstrated that the synthetic spidroin gene 4S had integrated into the embryo genome. In summary, we explored a method and successfully obtained artificial synthetic spidroin gene transgenic sheep cloned embryos with a hair follicle specific promoter by SCNT. Further research is necessary on transgenic sheep with synthetic spidroin genes expressed in hair follicles.Research has pursued salutogenic and narrative a