Implications of Animal <!g>Cloning Experiments for the Potential Cloning of Human Beings
<!g>James Robl, University Mass Amherst
<!g>In vitro development of <!g>bovine nuclear transfer embryos
using three different fibroblast cell lines
Treatment |
n |
Cleavage (%) |
<!g>Blastocyst (%) |
Control |
936 |
585 (63) |
178 (19) |
CL1 |
3713 |
2271 (61) |
377 (10) |
CL2 |
233 |
125 (54) |
21 (9) |
CL3 |
672 |
495 (75) |
30 (5) |
BAF (adult fibrosis) |
516 |
Na |
43 (8) |
|
Pregnancy results (40 days) after transfer of NT derived
embryos using fetal and adult fibroblast
Treatments |
Embryos
Trans (2/cow) |
Cows
pregnant (%) |
Fetuses Recovered
at 42-50 days (%) |
Fetal <!g>fibroblasts |
38 |
10 (42) |
5 (31) |
Adult fibroblast |
18 |
5 (28) |
0 (0) |
|
<!g>In vivo development of nuclear transfer embryos (CL1 cell
line)
Embryos per cow |
Total |
Total cows transferred |
48 |
Open |
30 |
Pregnant |
18 |
% pregnant |
38 |
Abortions |
10 |
% Abortions |
56 |
Abortions prior to 45 days |
5 |
Abortions beyond 45 days |
5 |
Calves to terms |
8 |
Normal calves to term |
7 |
% normal calves to term/cows transf. |
15 |
% nomal calves to term/pregnant cows |
39 |
|
Email
link | Feedback | Contributed by: Boston University. Video adapted from the
Issues for the Millennium Workshop
|
|