In a First, US Doctors Use Crispr Tool to Treat Patient with Genetic Disorder
npr.org
npr.org
https://www.npr.org/sections/health-shots/2019/10/10/7667657...
The patient gets to go home today.
"""Just to make sure this is really clear because people have been angry about this ever being tested in more humans. This will not be used in humans again until significantly more testing is done and the manufacturing protocol is massively refined. This could mean years before another test is conducted. More tests will need to be done in animal models as well. Maybe we'll do away with the viral aspect all together and completely overhaul the DNA. The reason this video was posted was because I want this to be an open source technology. If you have suggestions for how it can be improved, leave it in the comments."""
I spent 20 years of my life working towards gene therapy and to see idiots do stuff like this (in an incompenent and unconvincing way) is so frustrating.
Uh, obviously not? Seriously, this is absolutely self-inconsistent way to see things. No, it is not a "pretty basic thing" and the world isn't a friendly place, deal with it. People always cause pain to the others whether you like it or not. If I've been dating a girl for several years and still love her, but she does not love me anymore, she is causing me pain by breaking up with me. Quite likely more so, than a dear friend's death and pretty much for sure more that, say, a robbery. So what, she isn't supposed to break up with me now or what?
This example is from institutional research rather than an indie biohacker, but Jesse Gelsinger's death may have set back the field of gene therapy by many years due to fear (some realistic and some unrealistic). https://www.sciencehistory.org/distillations/the-death-of-je...
The lack of ability to process out ammonia seems pretty debilitating, so that seems like it was a good candidate.
Jesse Gelsinger is a hero, and should be remembered as such.
That all said, we should glean as much science as possible from the postmortem to understand and prevent whatever misunderstandings resulted in the death, going forward.
if you inject a therapy into the body (muscle, blood, liver, etc), there is a non-zero chance that some germ cells can be modified. It depends on the vector, the methodology, random chance, etc, etc.
- He just possibly infected his whole digestive system. Not just small intestine, but stomach
as well. Furthermore, AAV can potentially exhibit transcytosis through epithelial layers,
suggesting that it's possible the virus infected more than just his digestive system.
- He did not determine an appropriate dose, and so he likely infected with a HUGE genetic
payload. Overexpression with AAV can kill infected cells, which means this man is risking
his digestive lining.
- Neither the promoter nor the encoded protein itself are human, potentially risking
(possibly severe) autoimmune reaction.
- There are few/no long-term studies on effects of AAV integration and expression in humans.
There is indeed evidence that AAV increases risk of cancer, almost certainly in a dose-
dependent manner.
- AAVs could integrate randomly into your genome in low frequencies (0.1% to 1%), meaning that they could just by
chance disrupt a gene you really need to not get cancer.
The person in the video also suggested "trials for volunteers" (on his reddit post), but immediately backtracked on that after he learned that people cannot legally consent to such experiments.I watched the video. I am not a biologist.
I could have sworn at one point he said that it would be inserted at "known, and safe" locations. Not "random"... ?
Thank you for your input, I'll word it more accurately.
No offense, but a misleading and inaccurate analogy. It's much closer to bans on chemical precursors of drugs like MDMA or LSD. Those chemical precursors have many legitimate uses, but since some people use them to make illegal drugs, normal citizens cannot acquire them easily, or without breaking the law.
Not everyone wants to see someone die in a horrible way and have to clean up the mess.
First (which I don't really want to concentrate on) is that's why this is an experiment. People did stupid things (and sometimes died because of them) for entire human history and some hundreds of years later are remembered as "great scientists". Trying to monopolize research and experimentation around academia and "certified professionals" (certified by academia, that is) is a most despicable thing I can imagine. I see that this opinion is basically a point of conflict of two different political views, so there isn't much that can be said to (quickly) persuade someone, who does not feel like this in the first place, but I strongly feel that if people can be "free" in any sense at all, they really should be free to do whatever the fuck they want to themselves. If they wanna die, let them die. If they wanna do drugs, let them do drugs. If they wanna perform stupidly dangerous experiments over themselves, let them do that. If they wanna give somebody else a consent to perform a stupidly dangerous experiment over them — it's their prerogative.
Second is much less philosophical and much more grim. This probably depends on your environment quite a lot (country/place, level of income, connections), so take this as my subjective experience. The problem is that dealing with certified medical professionals performing FDA (or whatever) approved procedures over yourself sometimes feels pretty much as dangerous, if not more. You often have no idea what they are really doing to you, and it's sometimes blatantly obvious they don't really understand it either. Often it is not clear if the treatment (which might be totally safe and correct in some cases!) is adequate to your case, not much of analysis is performed and every little bit you have to do along the way costs quite a lot of money and/or prevents you from living normal life, leaving you quite miserable overall. And the more minor the thing you are trying to fix is, the worse it is. And the worst of it, it is pretty clear that your doctors don't really care. They are relatively safe (legally) if they are working by the book, so they are working by the book. And "the book" often happens to be a result of bureaucratic machine, not common sense. And, after all, they have seen (maybe just 30 minutes ago) people in much worse condition than yourself, so unless you are really dying, what's even the trouble? And all of it even when we ignore the fact, that "the book" and the status quo of the field changes all the time, much of recognized medical research lacks the quality you wish it'd had and accepted views today sometimes are vastly different than 20 years ago. And let's be honest: 20 years of "experience" is nothing, when we are talking about high-stake decision making on the frontiers of the scientific research (and whatever affects your health and well-being always feels like "high-stake").
- He just possibly infected his whole digestive system. Not just small intestine, but stomach as well. Furthermore, AAV can potentially exhibit transcytosis through epithelial layers, suggesting that it's possible the virus infected more than just his digestive system.
- He did not determine an appropriate dose, and so he likely infected with a HUGE genetic payload. Overexpression with AAV can kill infected cells, which means this man is risking his digestive lining.
- Neither the promoter nor the encoded protein itself are human, potentially risking (possibly severe) autoimmune reaction.
- There are few/no long-term studies on effects of AAV integration and expression in humans. There is indeed evidence that AAV increases risk of cancer, almost certainly in a dose- dependent manner.
- AAVs could integrate randomly into your genome in low frequencies (0.1% to 1%), meaning that they could just by chance disrupt a gene you really need to not get cancer.
Let me rephrase, to make this more explicit: why shouldn't people be allowed to commit probabilistic suicide by non-rigorous experimental protocol, if they want? People do things that could kill them in home machine shops and home chemistry labs all the time, just for fun.
Note that I completely understand why people shouldn't be advertising that they do this, any more than people should be trying to talk other people into building nuclear reactors as a hobby.
I'm more saying that, if the point is just do something for your own sake—with a chance of improving your life, and another chance of killing you—and nobody else is involved or will be involved—then what has anyone else got to do with it?
I trust you (haven't checked biohackers much myself), but as with any field of knowledge/research, the opposition you suggest has nothing to do with credentials and everything to do with intellectual honesty, integrity of the researcher.
I mean, let's take programming since it's HN. Say you compare two programs. You could follow the scientific method (hypothesis -> experiment(s) -> conclusion -> new hypothesis -> etc) like any decent engineer or scientist would... or you could just randomly "feel" which is better "in your opinion" — basically being a charlatan with your own topic.
Unless you're doing marketing, you should be selfishly attracted to the truth — which is really better / faster / etc — because you need the tool for yourself, not to sell it to someone else. I'll never understand charlatanism in research, I won't; but even toy benchmarks for lulz or journaling can be made scientific, easily. It's just a logical framework, which I'd think any self-proclaimed 'reasearcher' knows in and out...
This is isn't to say that you can control all variables in real-world experiments — biological and social research are the hardest in that regard. Sometimes you gotta take a leap because you won't ever be able to "prove" anything beforehand, it's only retrospectively in statistics that you'll know (at the level of metastudies). We've taken many such a bets with public health, family health, our own; whenever the `estimated risks / perceived benefit` ratio makes sense.
I do agree it's wrong to categorize beyond these facts, e.g. credentials of the author of a good idea, or lack of "proof" thereof, have little to no meaning historically — can't stop an idea/solution whose time has come. I mean, Js is the most popular language with Python, let that sink in for a minute. (lol)
Even assuming your premise were true, it just takes one irresponsible idiot to fuck themselves up to result in excessive regulation which slows progress.
Amusingly, none of my research in gene therapy is relevant today. It was predicated on an already obsolete concept- designing transcription factors that can bind to a unique site in the genome to guide integration. CRISPR (which is what the article is about) made my approaches technically less viable, because they require extensive simulation, modelling, and experiment, while with a good CRISPR system, you just need an appropriate guide RNA.
Of course the really hard problem isn't the integration technique, it's knowing what to integrate.
I've never had terrible symptoms (merely unpleasant), but I am lactose intolerant, and the tiny bit of lactose that is present in mozzarella (~½ gram in a serving) doesn't bother me any.
Which is funny, because lactose intolerance is actually the norm, before a bunch of ancient Europeans decided that they'd figure out how to live off cows and there was selection pressure to extend lactose tolerance out of infancy where it normally remains
Are you saying that natural selection is not normal if it was only a few thousand years ago?
Here's their homepage https://www.flowjo.com/about/company
We are! (Serotiny): https://serotiny.bio
Synthego: https://www.synthego.com/
Mammoth: https://mammoth.bio/
Zymergen: https://www.zymergen.com/
Boston:
Arbor: https://arbor.bio/
Asimov (kind of): https://www.asimov.io/
Ginkgo: https://www.ginkgobioworks.com/
Also just happy to chat about the (very interesting, vibrant, if still tiny) intersection of software & synbio.
What's the point?
The NIH study uses a modified HIV to introduce the complete gene for the defective protein.
https://www.nhlbi.nih.gov/news/2019/sickle-cell-patients-rec...
This study uses CRISPR/Cas9 to increase expression of a gene that the patients already have.
I skimmed the article and did a quick search but I can't recall the name of the second method.
Are there any credible risks that something unexpected happens?
https://newfoodeconomy.org/fda-gene-edited-cattle-antibiotic...
Obviously such integration errors occur in reality. Though, in therapy I'd expect the rates to be quite low. It'd be interesting to find out how often it happens in these applications.
IIRC, the reason why the integration errors were such a big deal is because they made it to the germline of the animal and could be transferred to offspring. This would have been extensively validated given the amount of press and regulatory pressure.
They are extracting bone morrow and editing that and then reintroducing it. It's basically a bone marrow transplant using the patient's edited stem cells.
http://www.crisprtx.com/programs/hemoglobinopathies
Words like "credible" and "unexpected" sort of make it impossible to answer the question. The doctors probably expect some editing errors and things like that. They are also doing a really small study to see what happens.
I guess I could reword. Is there more than a remote chance the patient dies because of an error related to the gene editing?
So can we stop it with the anti-GMO-at-all-costs worldview?
It's a little easier in this case since it's not a heritable change (only bone marrow DNA was edited), but as others have pointed out elsewhere, heritable changes would be a much bigger deal.