https://www.uqpower.com.au/podcast/spotlight-on-ira-pastor-genetic-regeneration
Category: biotech/medical – Page 2,544
My #transhumanism work in this fun new article on future of sports:
Can bionic limbs and implanted technology make you faster and stronger? Meet biohackers working on the frontier.
Zoltan Istvan has achieved every runner’s fantasy: the ability to run without the hassle of carrying his keys. Thanks to a tiny chip implanted in his hand, Istvan doesn’t have to tie a key onto his laces, tuck it under a rock in the front yard, or find shorts with little zipper pockets built in. Just a wave of the microchip implanted in his hand will unlock the door of his home. The chip doesn’t yet negate the need for a Fitbit, a phone, or a pair of earbuds on long runs, but Istvan says it’s only a matter of time.
A long-time athlete and technology geek, Istvan identifies as a transhumanist: he believes that the transformation of the human body through ever-developing and evolving technologies will improve human life and ultimately lead to immortality.
“Athletes should be able to use drugs and technologies to enable them to be more competitive. To restrict that is to go against the very best of what we can become. If somebody wants to take these risks, they should have the rights to do so in full.”
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An investigational drug in clinical trials for rheumatoid arthritis also prevents a common, life-threatening side effect of stem cell transplants, new research shows.
Studying mice, the researchers found the drug prevented what’s known as graft-versus-host disease, a debilitating, sometimes lethal condition that develops when transplanted stem cells attack the body’s own organs or tissues.
About half of patients receiving donor stem cells develop graft-versus-host disease, which can linger for months or years after their transplants. In some cases, patients die not from their cancer but from the complication itself. Current treatments are not effective.
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Scientists at Wake Forest Baptist Medical Center and the University of Southern California (USC) have demonstrated the successful implementation of a prosthetic system that uses a person’s own memory patterns to facilitate the brain’s ability to encode and recall memory.
In the pilot study, published in today’s Journal of Neural Engineering, participants’ short-term memory performance showed a 35 to 37 percent improvement over baseline measurements. The research was funded by the U.S. Defense Advanced Research Projects Agency (DARPA).
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Jeffrey Tibbetts prepped for implantation and scrubbed in, methodically sudsing up to his elbows, scraping the dirt from under his fingernails and scouring his hands with a rough brush to render his body sterile before donning a pair of beige latex surgical gloves.
Behind him, a twentysomething tea barista in a black baseball cap waited pensively, his left ring finger exposed from under a surgical drape, a tourniquet wrapped tightly around it. For months, an implanted magnet had been uncomfortably bulging out of the side of Zac Shannon’s finger. Tibbetts picked up a scalpel and began cutting, gently scraping away at the flesh until the incision was deep enough to expose the magnet. With the very steady hands of a practiced surgeon, he pulled out the tiny hunk of metal.
Tibbetts plopped another magnet into the finger, sutured it shut, and removed the tourniquet. The small wound began to gush blood.
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Experts have equipped biotech workhorse bacteria with feedback control mechanism to balance growth with making protein products.
Medicines like insulin and interferon are manufactured using genetically engineered bacteria, such as E. coli. E. coli grow quickly and can be given DNA that instructs them to make proteins used in medicines and other materials.
However, the extra burden of producing new proteins hampers bacterial growth, which slows production. Solving this problem is an area of great interest for biotechnology and synthetic biology.
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Whole genome sequencing is more precise than other methods, and it just keeps getting faster and cheaper. Joel Sevinsky, head of the Molecular Science Laboratory at the Colorado Department of Public Health and Environment (CDPHE), told the Associated Press his lab can sequence the genome of a suspected pathogen in less than 72 hours.
Whole genome sequencing is already helping researchers address food-borne outbreaks, including a 2017 salmonella outbreak that stretched across 21 states, and the current romaine outbreak.
It’s even identifying contaminated food before it even reaches the public. According to the AP, inspectors used genome sequencing to find pathogens that could have caused outbreaks when they inspected food plants. They were able to recall the tainted products before they ever reached grocery stores or restaurants, preventing countless people from being sickened.
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The device can already detect antibodies for measles and rubella.
- By Helen Branswell, STAT on April 26, 2018
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