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Category: genetics – Page 268

China warns a ‘certain country’ is making ethnic bioweapons

According to the Chinese Ministry of State Security, “certain countries” are likely working on incredibly potent ethnic bioweapons.

China has blown the whistle on the potential dangers of what it calls “genetic weapons” that could prove to be an incredibly potent weapon of mass destruction, the Global Times reports. On Monday, October 20, 2023, the Chinese Ministry of State Security released a statement on WeChat warning that a “certain” foreign non-governmental organization (NGO) had recruited Chinese “volunteers” to collect biodiversity distribution data under the guise of biological species research to steal China’s species data.

AnnaStills/iStock.

Bioweapon of mass destruction.

Greener neighborhoods stop us from aging on a genetic level

A new study is finding that greener neighborhoods protect telomeres which prevent aging on a genetic level.

The role of telomeres in aging

Telomeres are repetitive sequences of DNA found at the ends of chromosomes that play a crucial role in preserving the integrity and stability of the genetic material within a cell.

As cells divide and their telomeres become progressively shorter, they eventually reach a critical point where they can no longer divide. This state is known as cellular senescence, and it is associated with aging and age-related diseases.

Gene Transfer Leads to Longer Life and Healthspan

The naked mole rat won’t win any beauty contests, but it could possibly win in the talent category. Its superpower: fighting the aging process to live several times longer than other animals its size, in a state of youthful vigor.

It’s believed that naked mole rats experience all the normal processes of wear and tear over their lifespan, but that they’re exceptionally good at repairing the damage from oxygen free radicals and the DNA errors that accumulate over time. Even though they possess genes that make them vulnerable to cancer, they rarely develop the disease, or any other age-related disease, for that matter. Naked mole rats are known to live for over 40 years without any signs of aging, whereas mice live on average about two years and are highly prone to cancer.

Now, these remarkable animals may be able to share their superpower with other species. In August, a study provided what may be the first proof-of-principle that genetic material transferred from one species can increase both longevity and healthspan in a recipient animal.

Telomere Length Test #5 in 2023: Which Dietary Factors Are Significantly Correlated?

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Engineering CRISPR Cures: An Interview with Fyodor Urnov

Fyodor Urnov, PhD, is a pioneer in the field of genome editing and one of the scientists most invested in expanding the availability and utility of CRISPR-based therapies to the broadest possible population. He envisions a world in which genome editing can treat the nearly 400 million people who are suffering from one of the 7,000 diseases brought on by gene mutations.

Unexpected ‘Fish’ Cell Found in Human Lungs Could Be Key to Cystic Fibrosis

A type of cell once only thought to exist in the gills of freshwater fish and the skin of frogs, but recently found in humans lungs, has given scientists new insight into the underlying cause of cystic fibrosis (CF).

CF is a progressive, genetic disease that impacts the lungs and other organs, sometimes causing severe symptoms that can be life-threatening.

The disease is marked by the absence or mutation of a protein in the lungs called the cystic fibrosis transmembrane conductance regulator (CFTR).

A new cure for sickle cell disease may be coming. FDA advisers will review it next week

The only cure for painful sickle cell disease today is a bone marrow transplant. But soon there may be a new cure that attacks the disorder at its genetic source.

On Tuesday, advisers to the Food and Drug Administration will review a gene therapy for the inherited blood disorder, which in the U.S. mostly affects Black people. Issues they will consider include whether more research is needed into possible unintended consequences of the treatment.

If approved by the FDA, it would be the first gene therapy on the U.S. market based on CRISPR, the gene editing tool that won its inventors the Nobel Prize in 2020.

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