Table III.

IFN-γ production from CD4+ and CD8+/CD45RO T cellsa

CordsAdults
CB11CB9A1A4
CD4+/CD45RO
Unstimulated11052014,0007,000
PMA/Ionomycin8,4009,300190,000330,000
CD8+/CD45RO
Unstimulated26201816
PMA/Ionomycin39,00096,000360,000500,000
(5)b(10)(2)(1.5)
  • a IFN-γ levels were measured in picograms per milliliter by time-resolved fluorometry with a Wallac Victor II.

  • b Figures in parenthesis indicate the ratio of CD8+:CD4+ IFN-γ production in each sample.