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| Web: | MayoMedicalLaboratories.com |
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| Email: | mml@mayo.edu |
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Products of Conception/Autopsy/Stillbirth/Skin Biopsy
The biopsy specimen is cut into small pieces, treated with
collagenase, and placed in a tissue culture flask with Chang's and
MEM alpha-medium, 20% fetal bovine serum, and antibiotics to
establish a fibroblast culture. The cultures are trypsinized into 1 to 3
T25 tissue culture flasks or 1 to 2 T75 tissue culture flasks.
Chorionic Villi
The chorionic villi is thoroughly cleaned using sterile
forceps to remove the remaining maternal decidua and blood
clots. The villi are then treated with trypsin and collagenase. The
cells are grown in Chang and MEM-alpha medium for 5 to 10 days.
(Dewald G: Chromosome Study of Autopsy Tissues. In Current
Methods of Autopsy Practice. 2nd edition. Edited by WJ
Ludwig Philadelphia, PA, WB Saunders Co, 1979, 155-159)

