Innate PLZF+CD4+ a? T cells develop and expand in the absence of Itk.
Prince AL, Watkin LB, Yin CC, Selin LK, Kang J, Schwartzberg PL, Berg LJ. Innate PLZF+CD4+ a? T cells develop and expand in the absence of Itk. J Immunol. 2014 Jul 15; 193(2):673-87.