Table 1 Telomere lengths in cloned animals
From: Will cloned animals suffer premature aging – The story at the end of clones' chromosomes
Donor Cell | TRF (kb) | Clone vs. Control | Tissue Assayed | Telomerase | Ref | |||||
|---|---|---|---|---|---|---|---|---|---|---|
Species | Origin | Cell type | Note | Donor | Control | Clone | ||||
Sheep | Adult Female | Mammary gland | 23.9 | 19.14 | Shorter | Blood | [11] | |||
Sheep | Fetal Female | Embryonic | Very short culture | 23.9 | 21.19 | Similar | Blood | [11] | ||
Cattle | Fetal Female | fibroblast | Extreme Long culture | 15.2 | 18.3 | 20.1 | Longer | Blood cells | High in Blastocyst | [13] |
Cattle | Adult Female | Fibroblast cumulus | 12.4 | 14.7 | 15.4 | Similar | Fibroblast | High in blastocyst | [15] | |
Cattle | Adult Female | fibroblast | 13.68 | 20.9 (fetal) 20.5 (calf) | 17.95 (fetal) 15.3 (calf) | Similar Similar | Fibroblast | High in blastocyst | [16] | |
Adult Male | 17.85 | 20.9 (fetal) 20.5 (calf) | 22.74 (fetal) 21.33 (calf) | Similar | Fibroblast | High in blastocyst | [16] | |||
Cattle | Adult Male | Ear | Longer | Ear | [12] | |||||
Adult Male | Ear | Similar | White blood cells | [12] | ||||||
Cattle | Adult Female | Epithelial | 15–16 | 20.43 | 12.5–14.3 | Shorter | White blood cells | [21] | ||
Adult Female | Oviduct | 16.9 | 20.43 | 14.9–16.0 | Shorter | White blood cells | [21] | |||
Adult Male | Muscle | 20.1 | 20.43 | 19.6–19.9 | Similar | White blood cells | [21] | |||
Adult Male | Skin fibroblast | 18.2 | 20.43 | 20.0–20.4 | Similar | White blood cells | [21] | |||
Fetal | Embryonic cells | 20.43 | 21.7–26.2 | Longer | White blood cells | [21] | ||||
Mouse | Adult | Cumulus | 48 | 48 | 48 | Similar | [17] | |||