Since OXGR1 is expressed in tissues other than the epididymis, to confirm further the role of OXGR1 in epididymal SMCs, we developed the OXGR1-eKD model by injecting AAV-Cre-GFP into the epididymis of OXGR1Flox/Flox mice. The gene discussed is OXGR1; the disease is episodic kinesigenic dyskinesia.