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  • 9 hours ago
The founders of CasNx explain how their genome-editing technology prevents infection in organ transplant recipients

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00:00At Casanex, we do gene editing of transplant organs. So these include donor organs like kidneys,
00:08livers, lungs that go into a patient. What we're trying to do is do some sort of genetic
00:13engineering on those organs so that they're better and safer for the transplant. In my
00:17clinical practice, I see patients suffering, right? The patients are waiting years to get
00:21an organ transplant. Once they get the transplant, they want to go ahead and live their life. But
00:24unfortunately, after the transplant, sometimes they have disease processes, viruses that come
00:29from the donor that affect the life of the allograft, which makes the transplant last shorter.
00:34Currently, we have a pump that's right behind you that stores the organs. Our goal is to
00:40be proactive, not reactive. We want to treat these organs before these organs go inside
00:45the patient. What is that like with the timing of how fast this has to get done and how does
00:50that factor in with all of your research and development to make it be quick enough to still
00:54keep the organs viable? So usually with kidneys, we have about 40 hours
00:59or so maximum. During this time window, we place the kidney on a pump and we can treat
01:04the kidney using CRISPR-based technology during that time window. Usually, we only need about
01:09eight hours or so to treat the kidney. With the livers, we have about 12 hour time window
01:15and we can treat the liver in that time window. So we only need about eight hours or so to treat
01:20the organs. And the cool part about this pump is that the fluid recirculates. So it's the
01:26CRISPR technology that we give the pump, it recirculates and we don't have to remove it.
01:31So there's enough time in that eight hours with higher doses without affecting the human
01:35outside the body that the organ can get treated in the pump itself.
01:39That's incredible to think about all this technology that you guys are harnessing to make this happen.
01:44Is this operational right now? Has it been used on actual people? Where are you at in terms
01:49of the timing of that? Yeah, so we are in research and development phase right now. We've partnered
01:54with an organ procurement organizations who kindly donate us organs like livers and kidneys that
01:59they otherwise would have thrown away. They instead give it to us so that we can do our research. So
02:03we've proven this in organs. We are able to remove viruses from the organs and get it down to a level
02:07where it's really minimal and our immune systems can take care of it. But what we haven't done yet is
02:13a human study where now we have to take these edited organs and put them into a human. So that's
02:18where we are at next. We are here at TechCrunch to raise money so that we can do this next step of
02:22FDA authorization for any human use. And what do you guys see as the next step? You're obviously
02:26putting into a human body, but as you look a little bit farther beyond that, what do you hope that this
02:31will accomplish, you know, five, ten years down the line? This technology has the potential to be
02:36the next therapeutic line of drugs. Like we want to replace antimicrobials, antibacterials,
02:43because CRISPR has the ability and our proprietary tech which uses CRISPR-based DNA technology to
02:49change that. So we hope to create using our platform to create a new line of therapeutics.
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