these fluorescent proteins ( of low molecular weights , 40,000 , 70,000 ) did not cause glomerulonephritis within the time interval studied , whereas fluorescent immune complexes , containing on the average two molecules of antigen to one of antibody ( with minimum molecular weights of 240,000 to 300,000 ) produced glomerulonephritis in some instances , in confirmation of the observations of others .
C0003313
immune complexes
C0003241
antibody