... interleukin -2 or interleukin-4 stimulated T lymphocytes. J. Biol. Chem., 27 0:11 628 , 1995. Page 106a. On chromosome 2 (where the κ-chain genes are located) or 22 (where the λ-chain genes ... such as CD2, CD28, CD40 ligand (CD40L, CD154, gp39), LFA-1 and ICAM-1. These molecules have counterparts on the APC: CD58 (LFA-3), CD80/86, CD40, ICAM-1, and LFA-1 (ICAM-1 and LFA-1 are expressed ... cells in the absence of a co-stimulatory signal from IL- 12, plays a similar role in the differentiation of the TH2 population.4 .2 (B) B lymphocytes express MHC-II molecules, and although they...