visualtim

visualtim t1_iwjltzr wrote

I've worked with placentas and umbilical cord MSCs.

Typically they're from C-sections, as that's the most clean way of procuring. Before the scheduled procedure, they'll ask the mom if she'll donate the placenta and cord. There's a huge consent form and they take "no" very seriously.

Anyways, the tissue will be sent in for pathogen testing. Cord is already used for cord blood banking. And parts of the placenta are being tested as healing patches for burns and stuff, in which case it's dried and sterilized.

No on the miscarriages and abortions.

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visualtim t1_iwjkqhp wrote

Not true; there's still host vs graft for most allogeneic transplants. Stem cells may evade the immune system for a couple of weeks, but that's it.

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