Brain death is the standard of death in modern medicine. After brain death, it is considered impossible to resurrect. However, a company in the United States called "Bioquark" said that they will carry out "rejuvenation" trials, so that "clinical brain death" of people once again revive. Is this really possible? Is it just a fantasy?
U.S. company will test "rejuvenate" technology
"Bio Quark" announced that it will start this "rejuvenated" technology trial in Latin America in the coming months. However, the company did not publish specific countries and other details.
In May last year, the company had planned to carry out this test in India but was halted by the Indian government. According to the details released at that time, their "resurrection" process was this:
First, the researchers will inject the previously extracted stem cells into the subject's brain every two weeks for six weeks. Then, a special peptide was injected into the subject's spinal cord daily with a pump. Finally, with 15 days of laser therapy, stimulate the subject's spinal cord, start the body's own repair function, activate nerve cell growth, and at the same time use MRI to monitor the subject's neural activity, until "return to life."
Clinical trial "revived" brain death patients were questioned
This seemingly "science fiction" technology has also been questioned by some scientists.
If you can really repair the brain's central nervous system—brain and spinal cord—and let the peripheral nerves of your body recover, that means you can really “live back†the brain dead. However, if the brain-dead person recovers brain function, whether as a partial dead neuron, or as a function of the consciousness of all the functions of the white matter and gray matter of the brain, can it be fully recovered? If so, whether their brain function and thinking is related to the previous Exactly the same?
According to "Scientific American" report, neuroscientist Arian Lewis of New York University's Langgong Medical Center issued a statement refuting this, saying that this test is almost a deception, completely without scientific basis, and gave relatives cruel and false hope.
The American Academy of Neurology also stated that once "brain death" has been accurately determined, examples of brain activity that have never been regained until now have emerged.
However, in the end can not let people "back to life", let us wait and see the company's test results.
Related Stem Cell Tests Have Healed the Velvet Monkey
"Bioquark" company's research is based on stem cells, which are the basis of regenerative medicine. Because stem cells can grow various tissues and organs, the most common ones in life are geckos and crickets that lose their limbs. The new limbs grow in position, and their newborn limbs grow from stem cells.
According to Bio Quark, they use mesenchymal stem cells extracted from patients and are pluripotent stem cells. With induced pluripotent stem cells, new nerve cells can be grown to repair the damaged spinal cord and brain. There have been successful cases in animal experiments.
On December 8th, 2010, the research team of Okano Yoshiyuki at Keio University in Tokyo announced that they first transplanted four genes into human skin cells, induced skin cells to generate induced pluripotent stem cells, and injected these cells into A baboon marmoset (American miniature vervet monkey) is treated in vivo. This marmoset was paralyzed because of a damaged cervical spine. The limbs below the neck lost their motor function and could not walk or move normally. After 6 weeks of treatment, the marmoset has been able to jump everywhere, close to its normal level of motion before injury. In addition, the marmoset’s power to grasp objects with its forelimbs has also returned to 80%.
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