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Deformities Alarm Scientists Racing to Rewrite Animal DNA

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191–200 of 218 posts

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#191
post #30
post #5

This just in: fucking with stuff we don't fully understand has negative consequences we don't fully understand. I'm grateful this is happening, otherwise our hubris might get too out if hand.

GMO

Sheesh,just meant same thing is possible with GMO. Unintended consequences are a real thing. I'll never understand why people are emotional over GMOs like it's a political subjecr.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#192

What's the agenda behind the spate of gene editing alarmism lately? The article cites the July Nature Biotechnology article about unintended consequences of CRISPR-Cas9 but subsequent work has eliminated many such consequences using slightly different techniques. No word of that fact in this article. If consequences of genetic engineering are poorly understood, then this isn't reason to worry about reckless research.…

I agree, it's awesome that we can now do targeted forward genetics on mammals. Weird phenotypes in mutants are a classic path to biological insight.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#193
post #112
post #70

Earlier quoted context omitted.

Even if this hypothesis is correct, I would replace "dangerous" with "unpredictable", because the resulting effects of those interactions would be as likely to cause good as to cause harm.

Why do you think changes would be as likely to cause good as to cause harm? In complex, yet structured, systems - I think changes without fully understanding what you're doing are vastly more likely to cause harm than good. Software is the obvious example. Change a line of bytecode/assembly to something else. I think the chances of that change being good are extremely close to 0.

But in nature most mutations are neutral, period. It is likely to be more don't cares although actual improvements are unlikely. Good outcomes from random chances are rare but that doesn't mean that bad outcomes must be the dominant component.

Just look at Atomic gardening [https://en.wikipedia.org/wiki/Atomic_gardening] - a practice which should be /way/ worse if mutations really did produce bad effects most of the time. Instead the effects were either dud seeds or a few useful byproducts as opposed to 'this grapefruit is now rich in cyanide'.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#194

Earlier quoted context omitted.

Or the really scary part...if it not noticed for generations. For example, a reduction of IQ each generation or such.

You know I originally thought this was an outlandish idea, but I have to remind myself that the processes that govern reproduction are themselves encoded within the DNA... If those processes are affected adversely, it may well take many generations to realize the effects, at which point for those individuals it is far too late to undo the damage.

Not just for those individuals but it would have spread throughout the gene pool and been impossible to contain.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#195

What's the agenda behind the spate of gene editing alarmism lately? The article cites the July Nature Biotechnology article about unintended consequences of CRISPR-Cas9 but subsequent work has eliminated many such consequences using slightly different techniques. No word of that fact in this article. If consequences of genetic engineering are poorly understood, then this isn't reason to worry about reckless research.…

The most cynical answer assuming an actual agenda is 'vested interests' who fear that they won't be able to compete. however not all apparent agendas come from interests - at times they are essentially memes run amok. There isn't a rational interest behind anti-vaccination efforts yet they are sadly growing.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#196
post #7

Earlier quoted context omitted.

Uh, what makes you think government bioweapon labs haven’t been doing that for decades, since the invention of genomics?

Bioweapons are 1) Cheaper 2) Harder to control 3) Less reliable than traditional arms. This makes them great weapons for poor countries who don't care about indiscriminate killing, but bad weapons for large countries that want precision strikes against specific enemies.

Wait cheaper, how? Maybe in terms of development of say a fighter jet but it is certainly more expensive than a bunch of surplus Russian equipment.

Not to mention most combatants don't do their own arms development - that only really makes sense if you are nearing state of the art or effectively lack a market (say nuclear weapons).

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#197
post #97

Earlier quoted context omitted.

We should never avoid discovering something out of the fear that it could be misused. We have an imperative to learn all that is learnable and then use the findings to ensure safety and develop countermeasures. Otherwise, someone else will discover it and we will be unprepared. Top scientists would struggle to create a super disease today. Worrying that a kid will do it when the technology is commoditized is putting…

Would you stand by your initial statement provided the discovery was something which was certain to eliminate all life?

Well the thing is you never know for certain if it really will eliminate all life until it does. During the Manhattan project there were concerns that the unprecedented temperatures might be enough to start runaway fusion reactions and ignite the atmosphere.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#198
post #57

From my laymans POV, DNA is just a shit ton of variables in a very complex code that interact with each other. No single point just does a single thing. They all interact with each other. No different than changing a variable in one piece of code and having it create a bug in another that was previously working. For me, the real scary part is altering something, which inadvertently changes something else that isn't q…

Or the really scary part...if it not noticed for generations. For example, a reduction of IQ each generation or such.

IMHO, getting good at genetic engineering mostly negates the potential dangers of newly introduced bugs that stay dormant for a long time. After all we then have the tools to fix them.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#199
post #189

Earlier quoted context omitted.

You can make that argument without all the histrionics and performativity. Please give it a try.

I don't believe I can. I'm honestly flabbergasted that I read "Burn the mechanized mills!" on Hacker News. I'm not advocating groupthink, and there are certainly ways we could have built a better present, but the blind ungratefulness to say "Mass manufacture and electricity were mistakes" deserves some outrage.

anigbrowl is right. Please don't post in the outrage style to HN. Your comments would be more persuasive for being less flamey. This is a case of medium-is-the-message.

Also, please don't use quotes to make it look like you're quoting someone when you're not. That's also a flamewar trope and a vector in the unwanted direction.

Re: Deformities Alarm Scientists Racing to Rewrite Animal DNA

#200
post #144

Earlier quoted context omitted.

I don't think this really takes away from gp's argument, which is that editing genes is complicated and could wind-up with unforeseen consequences. "Genetic engineering" is more like "cut-and-past-programming" on a stream of data that is not-really-code. Fully understanding the implications of even "simple" changes may wind-up impossible.

The "cut-and-paste" analogy is perfect here. Imagine you discover super-complex code for which you have only a rudimentary understanding. Now imagine replacing sections of code from one program with sections from another program and calling it an improvement before even testing the code! Older versions of genetic engineering are like pasting code into a random section of a program. CRISPER-CAS9 is more like replacing…

Exactly. It seems like we may want to develop more accurate models of how changing DNA and its environment affects its expression through (t)RNA, proteins, and reflexively itself, before making massive "production" changes in one go. In other words, perhaps we should be more methodical and patient in our approach? Curious what the experts have to say about this.
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