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. 2014 Feb 3;204(3):331–342. doi: 10.1083/jcb.201310136

Figure 7.

Figure 7.

Cell type–specific alternative splicing of SLM1. (A) Shift in alternative splicing at Nrxn1, Nrxn2, and Nrxn3 AS4 in cerebellar granule cells expressing SLM1 ectopically with lentiviral infection. Expression of 2A-tagged SLM1 in lentivirus-infected cerebellar granule cells was confirmed by immunostaining with anti-2A antibody. Representative images of semi-quantitative RT-PCR with Nrxn AS4 in granule neurons with or without ectopic SLM1 expression. (B) High magnification views of SLM1 immunoreactivity in Purkinje cell–specific Slm1KO (Slm1cKO) mice. Purkinje cells are marked by transgenic expression of EGFP from the Purkinje cell–specific L7 promoter. Bar, 50 µm. (C) Representative images of semi-quantitative RT-PCR with Nrxn AS4 in cerebellum from wild-type, Slm1KO, and Slm1cKO mice. (D) Quantitative RT-PCR for Nrxn1 and Nrxn2 AS4 in wild-type, Slm1KO, and Slm1cKO mice (n = 4 animals per genotype).