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Archive for the ‘biotech/medical’ category

Dec 15, 2018

Scientists design custom nanoparticles with new ‘stencil’ method

Posted by in categories: biotech/medical, nanotechnology

Nano-sized particles already make bicycles and tennis rackets lighter and stronger, protect eyeglasses from scratches, and help direct chemotherapy drugs to cancer cells. But their usefulness depends on being able to precisely sculpt them into the right configurations—no easy task when they’re so tiny that thousands of them could fit into the thickness of a sheet of paper.

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Dec 15, 2018

Bioquark — Bustle — 7 Creepy Things A Dead Body Can Do — Ira Pastor

Posted by in categories: aging, biological, biotech/medical, complex systems, cryonics, fun, futurism, genetics, health, homo sapiens

https://www.bustle.com/p/7-creepy-things-a-dead-body-can-do-…e-13550864

Dec 14, 2018

Anti-cancer virus fits tumor receptor like a ‘key in a lock’

Posted by in categories: biotech/medical, innovation

Seneca Valley virus sounds like the last bug you’d want to catch, but it could be the next breakthrough cancer therapy. Now, scientists at the Okinawa Institute of Science and Technology (OIST) and the University of Otago have described exactly how the virus interacts with tumors—and why it leaves healthy tissues alone.

The study, published in the Proceedings of the National Academy of Sciences on October 29, 2018, provides the first detailed images of how the complex Seneca Valley forms with its preferred receptor. The researchers used cryo-electron microscopy to capture images of over 7000 particles and rendered the structure in high resolution. They predict their results will help scientists develop the virus, and other viral drug candidates, for clinical use.

“If you have a virus that targets cancer cells and nothing else, that’s the ultimate cancer fighting tool,” said Prof. Matthias Wolf, principal investigator of the Molecular Cryo-Electron Microscopy Unit at OIST and co-senior author of the study. “I expect this study will lead to efforts to design viruses for .”

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Dec 14, 2018

“Spy” Virus Eavesdrops on Bacteria, Then Obliterates Them

Posted by in category: biotech/medical

Viruses use bacteria’s chemical language to time their destruction; this might lead to new ways to fight infections.

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Dec 14, 2018

Biologists Engineered An Assassin Virus to Kill Bacteria on Command

Posted by in category: biotech/medical

“It’s brilliant and insidious!”


These assassins could help in the fight against antibiotic resistance.

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Dec 14, 2018

‘Marie’ Is the First Life-Sized, 3D-Printed Human Body

Posted by in categories: 3D printing, biotech/medical

Marie—a five-foot-one, fifteen-pound 3D printed body—could be used to help create better radiation treatments for cancer.

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Dec 14, 2018

An Anti-Aging Vaccine?

Posted by in categories: biotech/medical, life extension

Researchers from the Rutgers New Jersey Medical School are attempting to defy and reverse the biological aging process by developing a therapeutic vaccine that would bolster the essential repair and regeneration processes of cells.

This is potentially important research since the current life expectancy at birth is around 78.8 years in the USA.

In the United States, about 46 million people are above the age of 65. This number is expected to double by 2060, therefore increasing age-related health issues, reports Census.org.

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Dec 14, 2018

Crick Scientists Crack CRISPR editing

Posted by in category: biotech/medical

A team of researchers have just figured out how to play god, mastering the editing of DNA

Science.

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Dec 14, 2018

We Might be able to Eradicate Cytomegalovirus

Posted by in category: biotech/medical

Cytomegalovirus (CMV) is a β-herpesvirus that infects the majority of people in the world. It lies dormant in the body, waiting for an opportunity to strike when the immune system is weakened. This persistent virus infects people for their entire lives, and now researchers have discovered how the virus spreads, opening the door to ways to destroy it.

What is cytomegalovirus?

CMV is part of the β-subfamily of herpesviruses, which are believed to have been co-evolving with their hosts for around 180 million years [1]. CMV infection is asymptomatic; this means it causes no symptoms and is a latent infection; in other words, it lies dormant in the cell, awaiting activation under certain conditions [2].

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Dec 14, 2018

Association of Assisted Reproductive Technologies With Arterial Hypertension During Adolescence

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

There’s a positive correlation of assisted reproductive technologies with arterial hypertension. Epigenetics and hormone treatments with IVF are probable causes.


Assisted reproductive technologies (ART) have been shown to induce premature vascular aging in apparently healthy children. In mice, ART-induced premature vascular aging evolves into arterial hypertension. Given the young age of the human ART group, long-term sequelae of ART-induced alterations of the cardiovascular phenotype are unknown.

This study hypothesized that vascular alterations persist in adolescents and young adults conceived by ART and that arterial hypertension possibly represents the first detectable clinically relevant endpoint in this group.

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