interferon-gamma ( ifn-gamma ) , tested in the form of the product of a cloned murine ifn-gamma gene , was found to increase the expression of h-2 antigens on cultured cell lines of a wide variety of cell types including factor-dependent hemopoietic cells , pre-b and b cells , macrophages , t cells , mast cells and cell lines of epithelial , fibroblastic and neuronal origin .
C1292769
pre-b
C0004561
b cells