Table 4.

Summary of mtDNA heterogeneity in single CD34⁺ cells, T cells, B cells, and granulocytes

		Heterogeneity			Poly-C tract
Cell type	Assay, no.*	Total rate,% (no.)	Unique, % (no.)	Substitution, % (no.)	np 303-315, % (no.)
CD34+ cells	456	37.9 ± 3.6 (173)†	13.4 ± 2.2 (61)†	14.7 ± 5.7 (67)†	22.3 ± 9.3 (101)
T cells	456	36.4 ± 14.1 (164)	18.6 ± 7.9 (84)†	15.2 ± 9.0 (69)†	21.5 ± 15.4 (96)
B cells	442	36.0 ± 10.7 (160)	16.5 ± 2.5 (73)†	15.4 ± 6.7 (69)†	19.7 ± 13.4 (87)
Granulocytes	376	47.7 ± 7.4 (178)	35.4 ± 4.1 (132)	32.3 ± 2.4 (121)	13.7 ± 10.2 (50)

Np indicates nucleotide position.

^*All assays were from donor no. 5

^†Statistically significant difference (P < .05) from granulocytes