Is There a Market for Pig Organs or Artificial Organs?

Some kind of a market for organs or artificial organs. Your immune system reacts violently and fatally to A foreign organ like a pig organ, but it might be possible to modify the proteins that in the pig or in the pig kidney. Do you find that idea to repugging? You just have to ask yourself if you can imagine walking down the street one day with a pig's kidney inside of you.