Scientists Seek Ban on Method of Editing the Human Genome
nytimes.com
nytimes.com
... Rumors are rife, presumably from anonymous peer reviewers, that scientists in China have already used CRISPR on human embryos and have submitted papers on their results. They have apparently not tried to establish any pregnancies, but the rumors alarm researchers who fear that such papers, published before broad discussions of the risks and benefits of genome editing, could trigger a public backlash that would block legitimate uses of the technology.
... But scientists don't yet understand all the possible side effects of tinkering with germ cells or embryos. Monkeys have been born from CRISPR-edited embryos, but at least half of the 10 pregnancies in the monkey experiments ended in miscarriage. In the monkeys that were born, not all cells carried the desired changes, so attempts to eliminate a disease gene might not work. The editing can also damage off-target sites in the genome.
Those uncertainties, together with existing regulations, are sufficient to prevent responsible scientists from attempting any genetically altered babies, says George Church, a molecular geneticist at Harvard Medical School in Boston. Although he signed the Science commentary, he says the discussion “strikes me as a bit exaggerated.” He maintains that a de facto moratorium is in place for all technologies until they're proven safe. “The challenge is to show that the benefits are greater than the risks.”
... Although many European countries ban germline genetic engineering in humans, the United States and China do not have such laws. Research with private funds is subject to little oversight in the United States, although any attempts to establish a pregnancy would need approval from the U.S. Food and Drug Administration. In China, any clinical use is prohibited by the Ministry of Health guidelines, but not by law.
Sure its more effective to change DNA while its still building the scaffolding - after you're born its too late for some things. But that leaves a lot to be done.
http://americanpregnancy.org/pregnancy-complications/miscarr...
I've had to wear glasses since I was 4 and would have been very happy if this would have been fixed before being born.
But I agree not everything is so clear cut.
At any rate, I'd prefer to decide myself what is a feature, rather than having some 'ethicist' decide for me.
None of those are features (and they are "perfect targets" for gene therapy because we have a thorough understanding of the consequences of the edit).
Sickle cell anemia gets trotted around because carriers are somewhat resistant to malaria, but it turns out that everyone who had the choice eradicated malaria rather than deal with it. And people that have two copies of the mutation are more susceptible to malaria.
(Yes, I read way too much science fiction, but I think it explores some interesting scenarios we should seriously consider while debating the issue. For a very popular reference: In the Star Trek universe the Eugenic Wars explore problems of genetic enhancements; The character Doctor Bashir in DS9, for example, is an (illegally) enhanced human [http://en.memory-alpha.org/wiki/Julian_Bashir])
Human genetic variation is so profoundly unfair. There is such a wide IQ range, such a wide physical development range, such a wide 'beauty' range. To think of condemning one extra person to be in the bottom of those ranges is painful.
What the hell can such a benefit be measured against ? The aesthetic objection of 'ethicists' ? (read: filosophers trying to answer unanswerable questions armed just with 'common sense')
------------
Btw: I am not sure that, given the possibility of writing genes, we'd know the right genes to alter. Just answering to the article on its terms
And we know more about genes literally every day. We will start with small changes (remove defects). Then we will tune physical details (height, weight, strength, skin). Then we will turn to the serious stuff - IQ, longevity, disease resistance.
To complain that some children will suffer, is to ignore all the children that already suffer.
Amateur genetic engineering (so-called "biohacking") is in its very early infancy, and it's early to tell how accessible it might become.
Unless you're the steam engine.
GENETICS IS HARD.
Given that the other half come from monkeys, is this why babies try and eat their toes?
"Many ethicists have accepted the idea of gene therapy, changes that die with the patient, but draw a clear line at altering the germline, since these will extend to future generations."
Doesn't this imply that ethically you can alter your own geneline as long as from that point on you cannot have progeny?
That's why this is so touchy. Who gets to draw these lines, and why? Bans on anything are rarely helpful.
ban on theft seems to be working out pretty good here, thanks.
copyright infringement = theft? sure, industrial espionage is theft, but that's not what you are talking about.
EDIT: this is probably the best essay I've read on it:
Yet, we're suppose to trust that GMOs are safe for consumption?