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posted by takyon on Tuesday April 12 2016, @03:00PM   Printer-friendly
from the crack-a-few-eggs-to-make-an-omelette dept.

Second Paper to Show Human Embryo Editing

Second Chinese team reports gene editing in human embryos

Researchers in China have reported editing the genes of human embryos to try to make them resistant to HIV infection. Their paper — which used CRISPR-editing tools in non-viable embryos that were destroyed after three days — is only the second published claim of gene editing in human embryos.

The mutation that was introduced is the naturally occurring variant in the CCR5 gene seen in some people resistant to AIDS progression.

Introducing precise genetic modifications into human 3PN embryos by CRISPR/Cas-mediated genome editing (DOI: 10.1007/s10815-016-0710-8)

Chinese Team Uses CRISPR to Genetically Modify Human Embryo

Chinese team uses CRISPR to genetically modify human embryo

In this latest effort, the Chinese team reports that they obtained 213 fertilized eggs from a fertility clinic, which had been deemed unsuitable for in vitro therapy. The women who had donated the eggs all gave permission for the embryos to be used for genetic research, on condition that the embryos would not be allowed to mature into a human being. The team used the CRISPR technique to edit genes, adding a mutation that causes damage to an immune cell gene called CCR5—such cells that are damaged naturally have been found to lead to HIV resistance. Thus the point of the research was to learn more about the possibility of producing human babies that would be immune to HIV. The team reports that just 4 out of 26 of the embryos that were edited were modified successfully—some still contained genes that had not been modified, and others had resulted in unexpected gene mutations. All of the embryos were destroyed after three days. Due to the results, it is not clear what has been learned from the experiments, except that some groups, particularly in China, are willing to conduct such research despite international condemnation.


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  • (Score: 4, Interesting) by c0lo on Tuesday April 12 2016, @03:30PM

    by c0lo (156) Subscriber Badge on Tuesday April 12 2016, @03:30PM (#330651) Journal

    except that some groups, particularly in China, are willing to conduct such research despite international condemnation.

    I'm sometime amazed how visionary the producers/creators of Alpha Centauri were.

    Why do you insist that the human genetic code is "sacred" or "taboo"? It is a chemical process and nothing more. For that matter -we- are chemical processes and nothing more. If you deny yourself a useful tool simply because it reminds you uncomfortably of your mortality, you have uselessly and pointlessly crippled yourself.

    Chairman Sheng-ji Yang
    "Looking God in the Eye"

    --
    https://www.youtube.com/@ProfSteveKeen https://soylentnews.org/~MichaelDavidCrawford
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  • (Score: 4, Insightful) by CHK6 on Tuesday April 12 2016, @03:57PM

    by CHK6 (5974) on Tuesday April 12 2016, @03:57PM (#330662)

    Most psychopaths tend to dehumanize their victims as not real or so far removed that their existence is irrelevant. If Sheng-ji sees human life as a chemical bucket no different than watching baking soda and vinegar react, then disposing and terminating those chemical reactions means nothing. So I would guess Sheng-ji sees no issue with genocide as nothing more than cleansing laboratory equipment.

    • (Score: 2) by c0lo on Tuesday April 12 2016, @04:06PM

      by c0lo (156) Subscriber Badge on Tuesday April 12 2016, @04:06PM (#330667) Journal

      That doesn't make the authors less visionary - at least in attributing this view to a Chinese.

      --
      https://www.youtube.com/@ProfSteveKeen https://soylentnews.org/~MichaelDavidCrawford
    • (Score: 3, Insightful) by ikanreed on Tuesday April 12 2016, @04:30PM

      by ikanreed (3164) on Tuesday April 12 2016, @04:30PM (#330678) Journal

      I'd say you're right, I'd say disposing of human genetic material happens every day after a quick pornhub session or tampon tossing.

      The things that make us valuable and worth respecting aren't endemic to the simple chemical reactions that sustain us and define our genetic character, but instead are a result of the humanity we develop over the course of our lives, through both regular boring biological growth and our interactions with the world around us.

      I'd go as far as to say that it is only our brains that imbue any of the rest of our body with any intrinsic value whatsoever. Without that extraordinarily complex component, we are no better than a carrot or e. coli.

      --why I'm pro-choice as fuck.

    • (Score: 3, Informative) by SunTzuWarmaster on Tuesday April 12 2016, @04:33PM

      by SunTzuWarmaster (3971) on Tuesday April 12 2016, @04:33PM (#330680)

      So... you know that Alpha Centauri was a game, and Chairman Sheng-ji Yang (of the Hive) is a fictional character, right?

      He also has this quote, which keeps me up at night. It is said after developing an early-level technology of "Recycling Tanks".
      "It is every citizen's final duty to go into the tanks and become one with all the people."
      Chairman Sheng-ji Yang, "Ethics for Tomorrow"

      That said, the GP's point about Alpha Centauri being visionary is 100% correct.

      Other great (and occasionally terribly dark) quotes include:
      "Energy is the currency of the future."
      CEO Nwabudike Morgan, "The Centauri Monopoly"

      We are no longer particularly in the business of writing software to perform specific tasks. We now teach the software how to learn, and in the primary bonding process it molds itself around the task to be performed. The feedback loop never really ends, so a tenth year polysentience can be a priceless jewel or a psychotic wreck, but it is the primary bonding process--the childhood, if you will--that has the most far-reaching repercussions.
      Bad'l Ron, Wakener, Morgan Polysoft

      The popular stereotype of the researcher is that of a skeptic and a pessimist. Nothing could be further from the truth! Scientists must be optimists at heart, in order to block out the incessant chorus of those who say "It cannot be done."
      Academician Prokhor Zakharov, University Commencement

      Remember, genes are NOT blueprints. This means you can't, for example, insert "the genes for an elephant's trunk" into a giraffe and get a giraffe with a trunk. There are no genes for trunks. What you CAN do with genes is chemistry, since DNA codes for chemicals. For instance, we can in theory splice the native plants' talent for nitrogen fixation into a terran plant.
      Academician Prokhor Zakharov, "Nonlinear Genetics"

      My gift to industry is the genetically engineered worker, or Genejack. Specially designed for labor, the Genejack's muscles and nerves are ideal for his task, and the cerebral cortex has been atrophied so that he can desire nothing except to perform his duties. Tyranny, you say? How can you tyrannize someone who cannot feel pain?
      Chairman Sheng-ji Yang, "Essays on Mind and Matter"

      • (Score: 3, Funny) by CHK6 on Tuesday April 12 2016, @06:56PM

        by CHK6 (5974) on Tuesday April 12 2016, @06:56PM (#330751)

        {Face palm to self}

      • (Score: 2) by c0lo on Wednesday April 13 2016, @02:10AM

        by c0lo (156) Subscriber Badge on Wednesday April 13 2016, @02:10AM (#330942) Journal

        "Energy is the currency of the future."
        CEO Nwabudike Morgan, "The Centauri Monopoly"

        This is the most enticing idea for me, I tend to see energy* as the most "natural currency":

        1. given enough energy, you can obtain pretty much the rest of what you need to survive as a civilization; enough water, food, space to grow, etc
        2. there's no exponential growth related to the amount of energy one has control it and it is not prone to fiat approaches: either you have it or you don't, you can't "fiat" it into existence
        3. (assuming an "energy bank" available) storing energy for later use would be prone to decay - actually, an exponential decay (rather than growth) will be more likely**. So there would need to be an economical incentive for using it, pretty much like the "negative interest rate". Bye-bye inflationary pressures (even more so as every energy transfer implies loss)

        To bad we haven't yet discovered the Shipstone [blogspot.com]
        (apologies, the link is picked at almost random and provided for "just in case" - I saw someone not being familiar with the game, I cannot suppose there aren't others not familiar with Friday. If you know what's about, no need to visit the page) .

        ---
        * it is not the actual energy that needs to be stored, it is the "energy gradient" that needs to be maintained.
        The second thing required by an energy currency: controllable transfer. I mean, a nuclear bomb doesn't see to have too much benefits in everyday life.

        ** with a low enough decay rate, one of the functions of money (saving for retirement or, lately, investing for retirement) would be solved. What you accumulated on years of activity should last enough for your last 20-30 years of "unproductive" life.

        --
        https://www.youtube.com/@ProfSteveKeen https://soylentnews.org/~MichaelDavidCrawford
  • (Score: 0) by Anonymous Coward on Tuesday April 12 2016, @04:06PM

    by Anonymous Coward on Tuesday April 12 2016, @04:06PM (#330666)

    If someone finds their genetic code sacred, tampering with it taboo, that's their business. They shouldn't have the right to stop anyone else from conducting ethical research. It would be unethical if you could prove that the eventual humans created with these modifications suffered some terrible side-effects, or had increased risks of disease, for example. "It's unethical because I find it morally obscene" is circular, and arbitrarily specific to your moral code. So you can't impose it on others.

    • (Score: 2) by ikanreed on Tuesday April 12 2016, @04:38PM

      by ikanreed (3164) on Tuesday April 12 2016, @04:38PM (#330684) Journal

      Indeed. You are right.

      There are real ethical questions, though.

      If one was to blindly modify the DNA of a blastocyst, then implant it and allow it to develop into a baby, that could be argued to have ethical parallels to performing unnecessary surgery on a newborn for the sake of science. Specifically, without overwhelming moral imperative for the sake of that individual, you're potentially sacrificing their livelihood and happiness to learn. Medical ethics have long established that this is unacceptable.

      • (Score: 0) by Anonymous Coward on Tuesday April 12 2016, @04:51PM

        by Anonymous Coward on Tuesday April 12 2016, @04:51PM (#330690)

        Using the gene modification from TFA is illustrative. It's a mutation that occurs naturally in the population. It has a specific advantage we know about: HIV resistance. So why not make all new babies HIV resistant? We make all new babies resistant against measles. Well we actually wait a few years before giving some vaccines, but we'd do it earlier if we could. And vaccines are not without risks, but no one seriously argues that they're unethical. The people who do are rightly regarded as cranks, and irresponsible parents putting their own children and the children of others at risk.

        • (Score: 2) by ikanreed on Tuesday April 12 2016, @04:55PM

          by ikanreed (3164) on Tuesday April 12 2016, @04:55PM (#330693) Journal

          The only question, and I ask out of genuine ignorance, is how do you assay the risk to clinical trial participants? If you can answer that, you can treat it like any other experimental preventative medicine.

        • (Score: 2) by sjames on Tuesday April 12 2016, @10:04PM

          by sjames (2882) on Tuesday April 12 2016, @10:04PM (#330864) Journal

          For one, vaccines don't alter the germ line. Let's say you want to perform such a procedure. Are you prepared to cover all costs including supporting them and their children if it turns out that something really bad happens at age 40 as a result?

          Keep in mind, it's not just the targeted modification. The study in TFA found that the procedure frequently induced additional unwanted mutations. It's a good thing they had the sense not to try actually letting any of the tests become a living human.

          While vaccination is not entirely without risk, that risk is well characterized and is less than the risk of measles itself.

          • (Score: 2) by legont on Wednesday April 13 2016, @02:26AM

            by legont (4179) on Wednesday April 13 2016, @02:26AM (#330948)

            That is probably true now but what about the beginning of vaccinations? How did we know that the vaccinated children would survive past 40 years?

            BTW, the first vaccination was likely also done in China 1000 CE [historyofvaccines.org].

            --
            "Wealth is the relentless enemy of understanding" - John Kenneth Galbraith.
            • (Score: 2) by sjames on Wednesday April 13 2016, @03:48AM

              by sjames (2882) on Wednesday April 13 2016, @03:48AM (#330967) Journal

              Neverminding the different standards of ethics in 11th century China, given the form of the inoculation (essentially a weakened smallpox), the innoculant actually was well understood and was clearly not worse than smallpox. They were well aware of the consequences of a mild case of smallpox throughout the life of the patient.

              As for the second smallpox vaccine, cowpox was also well known at the time. It was much safer than the first vaccine since there was little risk of a hot dose causing serious illness.

      • (Score: 1) by kanweg on Tuesday April 12 2016, @04:57PM

        by kanweg (4737) on Tuesday April 12 2016, @04:57PM (#330694)

        Would it be ethical to not check for dangerous DNA flaws, not fix them, and let a human being being born with severe defects as a result of this careless behaviour?

        Bert

        • (Score: 2) by ikanreed on Tuesday April 12 2016, @05:00PM

          by ikanreed (3164) on Tuesday April 12 2016, @05:00PM (#330697) Journal

          In fact, we do that to some extent today. I'd personally consider an abortion for certain easily diagnosed conditions.

          • (Score: 2) by legont on Wednesday April 13 2016, @02:36AM

            by legont (4179) on Wednesday April 13 2016, @02:36AM (#330953)

            I once went to see some paintings, pictures and installations by a very sick artist. They were mostly masochistic in nature. He used his work to overcome his almost permanent pain due to some genetic condition and was scheduled to die young. Now get this. He was 5th, I think, child in the family and all his seniors had the same and already died. What shall we say about parents; morally wise.

            --
            "Wealth is the relentless enemy of understanding" - John Kenneth Galbraith.
        • (Score: 1, Informative) by Anonymous Coward on Tuesday April 12 2016, @05:35PM

          by Anonymous Coward on Tuesday April 12 2016, @05:35PM (#330712)
          There are already billions of humans on an overpopulated planet. Why bother even fixing? Better not to let humans with dangerous DNA flaws be born at all.

          Keep doing that and there will be fewer humans born with severe defects.

          If you do not view human embryos as sacred enough not to mess about with, then you should also see the logic and greater benefit of eliminating defective ones early. There's no real need for them. We have more than enough around.
      • (Score: 2, Insightful) by kanweg on Tuesday April 12 2016, @04:59PM

        by kanweg (4737) on Tuesday April 12 2016, @04:59PM (#330696)

        I have a question for you: Would it be ethical to not check for dangerous DNA flaws, not fix them, and let a human being being born with severe defects as a result of this careless behaviour?

        Bert

      • (Score: 2) by GungnirSniper on Tuesday April 12 2016, @05:26PM

        by GungnirSniper (1671) on Tuesday April 12 2016, @05:26PM (#330708) Journal

        Those two concepts are totally different because one causes unnecessary suffering for no benefit. A genetically enhanced person will have an easier life, and thus the risks are well worth the potential tradeoffs you foresee.

        We already make value judgements based on fetal genetics. This is why the number of retarded children is declining in most areas.

  • (Score: 2) by Gravis on Tuesday April 12 2016, @06:25PM

    by Gravis (4596) on Tuesday April 12 2016, @06:25PM (#330739)

    except that some groups, particularly in China, are willing to conduct such research despite international condemnation.

    I'm sometime amazed how visionary the producers/creators of Alpha Centauri were.

    Alpha Centauri is a star, so wtf are you talking about?