New generations of Thy1-XFP transgenic mice (where XFP stands for any fluorescent protein) can now be readily generated, given the availability of core facilities or commercial providers of Thy1 pronuclear injections. Here, we provide a protocol for screening founder progeny. Transcardial perfusion is performed on 3-wk-old F1 mice that have been produced by crossing Thy1 transgenic founders and commercially obtained inbred mice. Cryosections are generated, and Thy1-driven expression is detected by histological characterization.     «

New generations of Thy1-XFP transgenic mice (where XFP stands for any fluorescent protein) can now be readily generated, given the availability of core facilities or commercial providers of Thy1 pronuclear injections. Here, we provide a protocol for screening founder progeny. Transcardial perfusion is performed on 3-wk-old F1 mice that have been produced by crossing Thy1 transgenic founders and commercially obtained inbred mice. Cryosections are generated, and Thy1-driven expression is detected...     »