Lifeboat Foundation

Taking advantage of powerful advances in CRISPR gene editing, scientists at the University of California San Diego have set their sights on one of society’s most formidable threats to human health.

A research team led by Andrés Valderrama at UC San Diego School of Medicine and Surashree Kulkarni of the Division of Biological Sciences has developed a new CRISPR-based gene-drive system that dramatically increases the efficiency of inactivating a gene rendering bacteria antibiotic-resistant. The new system leverages technology developed by UC San Diego biologists in insects and mammals that biases genetic inheritance of preferred traits called “active genetics.” The new “pro-active” genetic system, or Pro-AG, is detailed in a paper published December 16 in Nature Communications.

Widespread prescriptions of antibiotics and use in animal food production have led to a rising prevalence of antimicrobial resistance in the environment. Evidence indicates that these environmental sources of antibiotic resistance are transmitted to humans and contribute to the current health crisis associated with the dramatic rise in drug-resistant microbes. Health experts predict that threats from antibiotic resistance could drastically increase in the coming decades, leading to some 10 million drug-resistant disease deaths per year by 2050 if left unchecked.

Scientists at Tokyo Institute of Technology (Tokyo Tech) have developed a new methodology that allows researchers to assess the chemical composition and structure of metallic particles with a diameter of only 0.5 to 2 nm. This breakthrough in analytical techniques will enable the development and application of minuscule materials in the fields of electronics, biomedicine, chemistry, and more.

The study and development of novel materials have enabled countless technological breakthroughs and are essential across most fields of science, from medicine and bioengineering to cutting-edge electronics. The rational design and analysis of innovative materials at nanoscopic scales allows us to push through the limits of previous devices and methodologies to reach unprecedented levels of efficiency and new capabilities. Such is the case for metal nanoparticles, which are currently in the spotlight of modern research because of their myriad potential applications. A recently developed synthesis method using dendrimer molecules as a template allows researchers to create metallic nanocrystals with diameters of 0.5 to 2 nm (billionths of a meter).

Is a film based on a video game with fleeting mentions of a biotech buzzword compelling sci-fi? No. But I liked Rampage anyway.

The use of CRISPR to edit genes is perhaps the only novel plot point in this latest monster movie. An evil head of a biotech company subverts a scientist’s work to fashion a bioweapon that revs up the growth hormone gene, and more, in three unfortunate animals. Cue Godzilla, King Kong, and the beast in Lake Placid.

But the screenwriters seem to confuse gene editing with an infectious bioweapon, like anthrax. The tagline at IMDb reveals the befuddlement: “When three different animals become infected with a dangerous pathogen, a primatologist and a geneticist team up to stop them from destroying Chicago.” Infectious disease, genetic modification, or both?

Recently, the first attempt in the United States to use the gene editing tool CRISPR to combat cancer appears to have gone well, according to the initial results of a small human trial to determine safety for the approach.

Gene editing is a way to permanently change DNA in order to potentially cure a disease by attacking the root causes. CRISPR is a tool that can cut DNA at a specific spot, allowing genes to be removed or replaced or new genes to be inserted. CRISPR and other similar gene editing tools have long been used in the lab and are finally, after many years, starting to reach human trials for cancer and other diseases.

The approach involved doctors harvesting immune T cells from three cancer patients’ bloodstreams and modifying those cells with CRISPR to make them better able to detect and destroy cancer. Two of the patients have multiple myeloma, and the third has a sarcoma. Essentially, this therapy uses the body’s own immune cells to fight the disease rather than going with the traditional route of using drugs to disrupt the growth and spread of cancer.

Currently over 6,300 people in the UK are waiting for an organ transplant, and sadly everyday around three people die waiting. In efforts to reduce the reliance on organ donors and improve the outlook for patients, alternative sources of organs are being explored by several research groups.

In a study recently published in Nature Biomedical Engineering, bioengineered livers created by decellularization and recellularization were implanted into pigs, where they were able to sustain continuous perfusion for up to 15 days. We spoke to Miromatrix’s CEO, Dr Jeff Ross, to learn more about the study and how it advances the state of bioengineering organs.

Anna MacDonald (AM): What are some of the main challenges faced when creating bioengineered organs?

NASA has tentative plans for a manned mission to Mars sometime in the 2030s. Between now and then, there’s still much that needs to be sorted. To start, massive dust storms, high levels of radiation, low temperatures and a lack of water make the Martian surface an unfriendly place for long-term visits. Taming it for human life will likely prove one of the most demanding and complex engineering puzzles in human history. With those extraordinary obstacles in mind, in 2015 NASA announced the 3D-Printed Habitat Challenge: an open call asking designers and architects outside the traditional aerospace industry to create plans for Martian living centred around 3D printing. One of 10 finalists announced in 2019, this plan from the design practices HASSELL and Eckersley O’Callaghan envisions teams of 3D-printing robots building a protective shield on the Martian surface several months in advance of a human landing. Upon arrival, astronauts would then work alongside the autonomous robots to piece together an inflatable, modular habitat.

Video by LightField London.

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When I say to these minds Behold the leader of Christianity stood for Life abundant-Super Longevity and I can prove such. No matter what lost evangelist or preacher tells you Jesus was a medical researcher of extraordinary magnitude…

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