Diagram of murine CD154 mRNA 3′-UTR. a,
locations of CUREs, CAREs, polycytidines (pC), and ARE sequences are
shown, numbered in reference to translational stop site. CURE and
CARE nucleotide sequences are shown immediately below. b, design of
pcDNA 3.1- or pTRE-based luciferase reporter plasmids and abbreviations.