CD4 and ganglioneuroma: Crescentic GN was induced in AKAP9wt and AKAP9cko/CD4 mice and animals of both groups had similar swelling at the site of the sensitizing IgG/adjuvant delayed-type hypersensitivity reaction in the footpad (4.80±0.34 mm in AKAP9wt versus 4.84±0.30 mm in AKAP9cko/CD4).