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Archive for the ‘genetics’ category: Page 8

Oct 13, 2024

New study challenges longstanding assumption about the cause of the genome’s most common mutation

Posted by in categories: biotech/medical, chemistry, genetics

A Ludwig Cancer Research study has punctured a longstanding assumption about the source of the most common type of DNA mutation seen in the genome—one that contributes to many genetic diseases, including cancer.

Led by Ludwig Oxford Leadership Fellow Marketa Tomkova, postdoc Michael McClellan, Assistant Member Benjamin Schuster-Böckler and Associate Investigator Skirmantas Kriaucionis, the study has implications not only for basic cancer biology but also for such things as assessments of carcinogenic risk associated with environmental factors and our understanding of the emergence of drug resistance during . Its findings are reported in the current issue of Nature Genetics.

The mutation in question—in which cytosine ©, one of the four bases of DNA that spell out our genes, is erroneously switched to thymine (T)—was thought to be primarily the result of a spontaneous chemical reaction with water. This reaction, deamination, is about twice as likely to happen when a cytosine is chemically tagged by the addition of a molecule known as a to create 5-methylcytosine, which occurs in DNA at so-called “CpG” positions, where C is followed by the base guanine (G).

Oct 12, 2024

What If We Became A Type 3 Civilization? 15 Predictions

Posted by in categories: augmented reality, bioengineering, biological, genetics, Ray Kurzweil, robotics/AI, singularity, transhumanism

This video explores what life would be like if we became a Type 3 Civilization. Watch this next video about us becoming a Type 2 civilization: • What If We Became A Type 2 Civilizati…
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Continue reading “What If We Became A Type 3 Civilization? 15 Predictions” »

Oct 11, 2024

Study finds genetics shape caloric restriction’s impact on lifespan

Posted by in categories: genetics, life extension

While caloric restriction (CR) has long been associated with increased lifespan, the study found that its effectiveness is highly influenced by individual genetic factors; some mice on restrictive diets experienced a notable lifespan extension, while others saw minimal gains.


New research on mice suggests that while extreme caloric restriction may extend lifespan, genetic resilience plays a critical role.

Oct 11, 2024

DNA from old hair helps confirm the macabre diet of two 19th century lions

Posted by in categories: biotech/medical, food, genetics

Genetic analysis of cavity crud from two famed man-eating lions suggests the method could re-create diets of predators that lived thousands of years ago.

Oct 11, 2024

How far till Longevity Escape Velocity?

Posted by in categories: biotech/medical, business, genetics, life extension

They say aging is just a part of life, but have you ever wondered if it really has to be? What if getting older isn’t just something we accept but something we could actually treat?

In this riveting episode of Peak Human Labs Podcast, Dr. Sanjeev Goel, sits down with Dr. Aubrey de Grey, a trailblazing biomedical gerontologist and Chief Science Officer of the SENS Research Foundation. They dive deep into the revolutionary idea of treating aging as a medical condition. They explore how damage accumulates in our bodies over time and discuss the groundbreaking medical advancements that could extend our healthy lifespans. Dr. de Grey sheds light on the crucial need for investing in underfunded research and shares insights into the future of longevity science. Tune in and envision a future where health and longevity are not just aspirations but achievable realities!

Continue reading “How far till Longevity Escape Velocity?” »

Oct 10, 2024

A roadmap for affordable genetic medicines

Posted by in categories: biotech/medical, business, genetics

Implementation of new pricing and business structures and improved licensing and manufacturing processes could reduce the per-patient cost of gene therapy tenfold.

Oct 10, 2024

3D Gene Regulation Map Sheds Light on Brain Development

Posted by in categories: genetics, neuroscience

Summary: Researchers have developed the first 3D map of gene regulation in the human brain, offering insights into how early brain development influences lifelong mental health. This map, focusing on regions tied to memory and emotional regulation, reveals how chromatin structure controls gene activity, especially during key developmental stages.

These findings may help identify when and where genetic variants linked to autism and schizophrenia disrupt normal development. By understanding these early influences, scientists hope to improve neurodevelopmental disorder research and stem-cell models, potentially paving the way for earlier intervention strategies.

Oct 10, 2024

Cameron County Preparing For Possible SpaceX Launch

Posted by in categories: biotech/medical, genetics, neuroscience, space travel

Scientists have used gene-editing techniques to boost the repair of nerve cells damaged in multiple sclerosis, a study shows. The innovative method, which was tested in mice, supports the development of cells that can repair the protective myelin coating around nerves, restoring their ability to conduct messages to the brain.

The findings, now published in Nature Communications, offer a potential route for future treatments to stop disability progression, experts say.

Our bodies have the ability to repair myelin, but in multiple sclerosis (MS), and as we age, this becomes less effective. There are currently no treatments to boost this process.

Oct 10, 2024

‘Pause Button’ Molecule Uncovered in Human Embryos

Posted by in categories: biotech/medical, food, genetics, health

Mamma bears press pause on their early pregnancies, so that their cubs are born closer to a food filled spring. Researchers led by a team in Germany have now found this same pregnancy pause button exists in human cells too.

“Although we have lost the ability to naturally enter dormancy, these experiments suggest that we have nevertheless retained this inner ability and could eventually unleash it,” says molecular geneticist Nicolas Rivron from the Austrian Academy of Sciences (IMBA).

“Triggering a dormant state during an IVF procedure could provide a larger time window to assess embryo health and to synchronize it with the mother for better implantation inside the uterus.”

Oct 10, 2024

Bioengineered enzyme can produce synthetic genetic material, advancing development of new therapeutic options

Posted by in categories: bioengineering, biotech/medical, genetics

A research team led by the University of California, Irvine has engineered an efficient new enzyme that can produce a synthetic genetic material called threose nucleic acid. The ability to synthesize artificial chains of TNA, which is inherently more stable than DNA, advances the discovery of potentially more powerful, precise therapeutic options to treat cancer and autoimmune, metabolic and infectious diseases.

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