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Chinese scientist Hé Jiǎnkui, who gained notoriety in 2019 for his involvement in human gene editing, has recently resurfaced with another controversial proposal. Jiānkuí has announced his intention, to modify the genes of human embryos, and , in addition to targeting human zygotes. The specific objective is to target, the mutation of the CCR5 gene, which could potentially offer immunity against Alzheimer's disease. His proposition has raised concerns within the Chinese scientific community.
Jiānkuí's claim suggests that, this gene editing could eradicate Alzheimer's disease, in future generations. However, fellow Chinese scientists have criticized this experiment, arguing that it could have permanent detrimental effects on human DNA, and may involve the use of unnatural gene mutations, unsuitable for integration into the human body.
Previously, in 2018, Jiānkuí made headlines for his attempt to modify the genes of twin girls, Lulu and Nana, with the goal of rendering them resistant to HIV/AIDS. However, a study indicated that a significant number of individuals, who underwent gene alterations by Jiānkuí, experienced premature deaths. Consequently, Jiānkuí and two collaborators were found guilty in a Chinese court, resulting in a three-year prison sentence and a 1 million Yuan fine.
No need to say, that his recent proposal has also been met with criticism from other scientists, who consider it highly controversial and potentially risky. These scientists also express concerns, about the ethical implications and potential consequences of such genetic modifications. According to them, any mishap in Jiānkuí's experiment, could have profound impacts on future generations' DNA. Notably, several countries, including China, Britain, and the United States, have already banned human gene modifications. Genetic testing on human bodies is strictly prohibited, and Chinese law does not allow, the implantation of genetically modified embryos for research purposes.