Functional analyses of sorted CD34+ sub-fractions in LTC-IC assays
LTC-IC frequency . | n . | CD34′, % . | CD133+, % . | CD133low/−, % . | P CD133+ to CD133low/− . | P CD133+ to CD34+ . |
---|---|---|---|---|---|---|
CD38 | 3 | 4.2 ± 3.5 | CD38low, 13.4 ± 1.8 | CD38+, 0.3 ± 0.4 | < .01 | < .02 |
CD53 | 5 | 3.4 ± 2.7 | CD53+, 7.9 ± 4.2 | CD53low/−, 1.1 ± 1.0 | < .03 | < .03 |
CD62L | 5 | 3.4 ± 2.7 | CD62L+, 8.9 ± 3.9 | CD62Llow/−, 0.3 ± 0.1 | < .01 | < .01 |
CD63 | 5 | 5.3 ± 2.8 | CD63low/−, 11.4 ± 3.0 | CD63+, 0.3 ± 0.2 | < .01 | < .01 |
CD71 | 5 | 3.4 ± 2.7 | CD71low, 12.7 ± 10.0 | CD71+, 1.0 ± 0.8 | < .06 | < .05 |
LTC-IC frequency . | n . | CD34′, % . | CD133+, % . | CD133low/−, % . | P CD133+ to CD133low/− . | P CD133+ to CD34+ . |
---|---|---|---|---|---|---|
CD38 | 3 | 4.2 ± 3.5 | CD38low, 13.4 ± 1.8 | CD38+, 0.3 ± 0.4 | < .01 | < .02 |
CD53 | 5 | 3.4 ± 2.7 | CD53+, 7.9 ± 4.2 | CD53low/−, 1.1 ± 1.0 | < .03 | < .03 |
CD62L | 5 | 3.4 ± 2.7 | CD62L+, 8.9 ± 3.9 | CD62Llow/−, 0.3 ± 0.1 | < .01 | < .01 |
CD63 | 5 | 5.3 ± 2.8 | CD63low/−, 11.4 ± 3.0 | CD63+, 0.3 ± 0.2 | < .01 | < .01 |
CD71 | 5 | 3.4 ± 2.7 | CD71low, 12.7 ± 10.0 | CD71+, 1.0 ± 0.8 | < .06 | < .05 |
n indicates number of experiments; CD34+, LTC-IC frequency of CD34+ cells purified at culture day 3 (note: identical CB- samples for CD53, CD62L, and CD71 analyses were used); CD133+, LTC-IC frequency of purified, cultured CD34+ CD133+ cell fractions which are CD38low, CD53+, CD62L+, CD63low/−, or CD71low, respectively; CD133low, LTC-IC frequency of purified, cultured CD34+ CD133low/− cell fractions which are CD38+, CD53low/−, CD62Llow/−, CD63+, or CD71+, respectively; P CD133+ to CD133low/−, P values of significance analyses of the LTC-IC frequency of CD34+CD133+ cell fractions compared with that of corresponding CD34+CD133low/− cell fractions; P CD133+ to CD34+, P values of significance analyses of the LTC-IC frequency of CD34+CD133+ cell fractions compared with that of corresponding CD34+ cell fractions.