Over 65 million years ago, an asteroid some 10 km (6 mi) wide crashed into the Earth and wiped out the dinosaurs. Strangely, the legacy of this huge space rock could include a treatment for cancer after scientists from the UK and China demonstrated that iridium – a rare metal delivered to Earth by the asteroid – can be enlisted to kill cancer without harming healthy cells.
As useful as they are for amputees, prosthetic legs aren’t the most comfortable things to wear. With the whole body pressing down on the point of contact, they can be painful, awkward to walk with and cause infections. Now scientists from the Office of Naval Research (ONR) have developed a more comfortable and “smart” prosthetic that can be attached and detached at will, and monitored for infection and stress with an array of sensors.
Researchers at the University of California, Los Angeles (UCLA) have figured out a way to extend the life of female fruit flies by 20 percent by manipulating what the school has called a “cellular time machine.” The biologists who carried out the work are hopeful that their findings will have implications for human aging and help fight off age-related diseases like Alzheimer’s and Parkinson’s.
Scientists have created light-driven spinning nanomachines that could kill cancer cells in just 60 seconds.
In laboratory tests, researchers showed how the molecules can be activated by ultraviolet light to spin up to three million times a second and drill through cell membranes.
In one test, it took between one and three minutes to cut through the outer shell of prostate cancer cell and destroy it.
Another application for the tiny ‘nanomachines’ might be to deliver therapeutic medicines, researchers say.
Scientists believe that the underlying cause of many neurological diseases, including Alzheimer’s and Parkinson’s, is the buildup of misfolded protein clusters in the brain. A new antibody treatment developed by a team at the NYU School of Medicine has the potential to target a feature of these misfolded proteins shared by several different diseases, promising a possible single treatment for a variety of neurological disorders.
Growing human transplant organs in pigs has become a more realistic prospect after scientists used advanced gene editing to remove threatening viruses from the animals’ DNA.
Porcine endogenous retroviruses are permanently embedded in the pig genome but research has shown they can infect human cells, posing a potential hazard.
The existence of the virus has been a major stumbling block preventing the development of genetically engineered pigs to provide kidneys and other organs for transplant into human patients.
That hurdle may now have been cleared away, according to new research reported in the journal Science.
Researchers at Harvard University and a private company used the precision gene editing tool Crispr-Cas9 combined with gene repair technology to deactivate 100 percent of the virus in a line of pig cells.
An American doctor will travel to the UK to examine Charlie Gard, the terminally ill baby whose parents are fighting in court to keep alive.
The parents of Charlie Gard have raised more than $1.6 million to take their son to the United States for an experimental treatment. Great Ormond Street Hospital, where Charlie is being treated, has intended to turn off his life support as multiple courts have ruled that prolonging the baby’s life would only cause him greater pain.
For the first time ever, blood-producing stem cells have been generated in a lab. Two separate teams of researchers have come up with differing ground-breaking methods to generate these important blood-forming cells, paving the way for the development of treatments for a variety of blood diseases and also offering a clear path towards an unlimited supply of lab-made blood for transfusions.