Table 3.

Detection of HHV-6 DNA in purified CD34-positive and CD34-negative cell fractions from leukapheresis products of HHV-6-seropositive and -seronegative autotransplanted patients, as well as of healthy HHV-6-seropositive allogeneic PBPC donorsa

PatientCD34-positive cell fractionCD34-negative cell fraction
4NegNeg
5NegNeg
6Pos (103)Pos (104)
7Pos (104)Pos (104)
8NegPos (105)
9NegPos (105)
10NegNeg
11NegNeg
12Pos (105)Pos (105)
13Pos (104)Pos (105)
14NegNeg
15NegNeg
16NegPos (105)
17NegNeg
18Pos (103)Pos (105)
19Pos (104)Pos (105)
  • a Tenfold dilutions of 105FACS-purified cells (105, 104, 103, 102, and 10 cells) were tested for HHV-6 DNA by PCR, and the minimal numbers of positive cells are given. Neg, negative; Pos, positive.