Since programmed cell death was first described in insects in 1964 and apoptosis was described in 1972, rapid progress has been made in understanding the basic

During the past 5 years rapid progress has been made in the understanding of biochemical pathways for signal transduction in lymphocyte activation. Gene cloning

The ac ti vati on of Iymphocytes by physiologie ligands has become a central area of study for immunologists. Furthermore, Iymphocytes offer many advantages for

Signaling through antigen receptor initiates a complex series of events resulting in the activation of genes that regulate the development, proliferation and di

Recent advances in the understanding of the major events that shape the immune recog nition system have been remarkable. The analysis of immunoglobulin (Ig) gen