Then think about an autosurgeon connected to a sensor system allowing it to make a complete map of a human body in real time, as it is fed a body map for a desired shape. Think about the day we can tell stem cells precisely what to become, and to grow in precise shapes. So think about those articles above, about how we are learning to guide stem cells to become nearly any tissue. A heart attack might lead to a regenerated heart healthier after the attack than it was before, and even such routine needs like blood transfusions might be made by pulling your own stem cells to create a personalized supply.īut even this is pretty tame once you combine stem cells with the increasing complexity of automation, because a da Vinci surgeon robot is not going to remain under human control for very long. Soon, a mastectomy might routinely remove the cancer, and rebuild a healthy breast identical to the one removed. Stem cells seem to offer us the promise that we will soon be able to restore the human body to the exact same state it was in prior to injury, enable us to regrow lost limbs, grow replacement organs on demand, and even reconstruct missing or lost tissue for reconstructive surgery. The implications for plastic surgery should be obvious.
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So not only are we learning to tell stem cells what to become, but we are learning how to dictate the shape of the tissues as well. Yet another technique is to use an already existing “ scaffold” and fill the spaces with stem cells, growing a precisely shaped piece of tissue. Not only have we discovered that stem cells can be programmed to repair already existing tissue, we are using modified inkjet printers to lay down layer after layer of them in a pattern, and to basically “print” biological tissue that will “grow” together into a complete organ.Īnother technique being researched is the creation of “ Biological Legos” in which stem cells are embedded in a block of “glue” which holds the cells together while they form natural intercellular bonds. Another major breakthrough going on in the medical field is in the improving abilities we are gaining in 3D printing. Each step of learning how to program stem cells leads to greater knowledge of how to control them more precisely.īut stem cells alone are not the only medical advances that are being made. If you understand the implications of all those various articles, it is easy to see that we are learning how to program stem cells to do nearly anything that our body programs them to do. This is a small sampling of the various breakthroughs made in just the last few years in hundreds of labs all over the world. They’ve made progress in making heart repairs, functional liver tissue, blood, teeth, bone, muscle, and they have even made progress on discovering how to manipulate stem cells to enable them to divide continuously. It’s still at a primitive stage, but scientists already learned how to “program” the stem cells to become different types of tissue. But that’s really very unimportant, because the real breakthrough is that this can be done for nearly every kind of tissue. To illustrate, take a look at this recent Wired article, which describes the current ability to use stem cells mixed with the fat from a patient’s own body to grow additional breast mass in women or to regrow breasts damaged by cancer. Why? Because we are a lot closer to realizing this achievement than most of you probably realize. To be honest, I think the deck is stacked in my favor. That probably sounds wildly optimistic to most of you as well, but not to me.
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That bet was that by the end of this decade, medical technology would be able to change the gender of anyone to the opposite gender, with full reproductive abilities of the new gender. That bet sounded to him like I was being wildly optimistic, and he jumped at it, thinking it was a sure bet that I would lose. Recently I made a bet with a member of the Institute for Ethical and Emerging Technologies.