- from BBCBelgian Paralympian Marieke Vervoort has ended her own life through euthanasia at the age of 40.
https://www.dailymail.co.uk/sport/s...Marieke-Vervoort-dies-euthanasia-aged-40.html
This unfortunate person had a degenerative disease, causing much suffering.
In an extensive interview with BBC Radio 5 Live's Eleanor Oldroyd in 2016 she said: "It can be that I feel very, very bad, I get an epileptic attack, I cry, I scream because of pain. I need a lot of painkillers, valium, morphine.
Ok, we don't have the specifics of this illness. But it's likely a genetic deterioration in the nervous system, causing the seizures, and the spinal symptoms.
This is simply intolerable. We should be curing these people, not euthanizing them.
There's a significant pair of advances that came out over the last week that pertain.
1) The DNA Repair advance
2) The Delivery System
Let's talk about the Delivery System first-
One of the biggest problems in fixing DNA of a genetic disease is how to get the change into all the cells in a fully grown organism. It's not a single change in one cell, it has to be as global as possible, and hit as many cells as possible. There is already a natural system that does this, one we are all familiar with: viruses.
A Virus is basically a 3 part thing.
There's a core of genetic material, a protein envelope that holds it and a connection port that can hook it to something on our cells. Susceptible cells have a receptor for the connector.
Once the virus attaches, it opens a hole in the cell membrane, injects its DNA into the cell, and breaks down. But the job is done, that viral DNA gets incorporated into ours, and we start making copies of the virus.
So if we take a virus, cut up the DNA and put in what we want, we will have an "infectious" curative agent. (Theoretically, we could loose that into the wild and vaccinate the whole herd, but I digress) But there are a lot of problems with this.
First, viruses don't infect the whole organism. So whole sections of the body wouldn't be cured.
Second, some people may be immune to that virus. So it simply won't get to target.
Third, once we use a virus on a person, we obviously can't likely use it ever again, because of the immunity problem. So it can only fix ONE set of problems ONCE.
And it's expensive to engineer a whole virus.
Adeno-Associated virus has already been used, in humans, for this.
What we need, is an "artificial virus" which does not provoke an immune response, and which will hit every cell. Something cheap. Reusable, for future troubles.
Needless to say, the hostile implications of that being used for warfare are daunting, and could well exterminate the species. You might think that that research is theoretical, or closely regulated, or far off. But it is upon us.
Source: https://youtu.be/frWklN81hz4?t=844
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3507026/
So it is time to consider the implications that we can directly tinker with our operating systems code, on living people, by delivering DNA changes into the cells. This is being competitively researched. The winner is going to become fabulously wealthy.
The second thing is the actual content and change of the DNA.
It used to be that cutting and pasting DNA caused severe damage by inducing double strand breaks. But those days may be over.
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3507026/
https://www.sciencemag.org/news/2019/10/new-prime-genome-editor-could-surpass-crispr
We have something MUCH better now, called Prime Edit. It only snips one side, so no mutative repair. It's extremely accurate. And it will go automatically to every copy of the targeted gene, like a Search and Replace function. It could fix "89%" of all our genetic woes, according to the popular press. But improvements are already being researched.
Combining these 2 technologies, we basically have the thing done. It's high time we started curing some people, instead of standing by impotently. That's going to come, maybe sooner than we expect.
Oh, and there's one more thing. Fixing old age.
One reason we get old is the accumulation of cells that become senescent, as a result of DNA damage. These zombie cells just sit there, not dying, because the programs to self destruct have failed. They make some bad chemicals, and speed up aging in other cells to boot. So we need to clear them out.
Senolytic drugs are agents that selectively induce apoptosis of senescent cells. These cells accumulate in many tissues with aging and at sites of pathology in multiple chronic diseases. In studies in animals, targeting senescent cells using genetic or pharmacological approaches delays, prevents, or alleviates multiple age-related phenotypes, chronic diseases, geriatric syndromes, and loss of physiological resilience. Among the chronic conditions successfully treated by depleting senescent cells in pre-clinical studies are frailty, cardiac dysfunction, vascular hyporeactivity and calcification, diabetes, liver steatosis, osteoporosis, vertebral disk degeneration, pulmonary fibrosis, and radiation-induced damage.
This is not yet approved in humans. But animal results are staggeringly good. The best combination so far has been Dasatinib and Quercetin. Dasatinib is poisonous, horribly overpriced, and hard to get. Quercetin is in onions. One of those comes from Big Pharma.
- this year.UT Health San Antonio researchers, collaborating with the Mayo Clinic and the Wake Forest School of Medicine, are the first to publish results on the treatment of a deadly age-related disease in human patients with drugs called senolytics.
I should very much like to try the therapy on patients, but using cancer chemotherapy for old age is not something I could explain easily.
https://www.fightaging.org/archives/2018/06/oisin-biotechnologies-cso-john-lewis-at-undoing-aging/
Well these guys are looking at how we could use the DNA delivery system to target the senescent cells, and introduce a suicide gene to take them out. That is WAY better than using small molecule drugs as in the study above, and likely to get much better age reversal, and be NON-toxic.
We're currently evaluating a variety of constructs to see which one is the best to bring into humans, and - obviously it has been talked about at this conference - the creation of biomarkers that are viable endpoints for clinical trials, and also viable in animal models to look at efficacy. We're keen to talk to anybody who has a great biomarker. We have cohorts of mice in which we are looking at the life span and health span of these mice. We are thinking about the transition to the clinical stage where we're getting GMP manufacture going and doing our GLP toxicity analysis.
The biggest shift in human history could be the radical reduction of the ageing effect.
And it could be here, safely, in less than 10 years. And it's going to be combined with some other things. Like Follistatin gene promoters, so we can all maintain muscle mass, or PGC-1a so we can ALL have endurance like a marathon runner.
The need for this has always been great, but with the coming economic collapse and the vital role being played by the cost of chronic health care, changes the dynamics. If nations get behind the tech, they can totally wipe out much of the health care costs in one go. Imagine- no more heart operations or transplants, reduced cancers, no more hip replacements, no more dialysis.
We could live to see it.
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