Cancer-fighting robot thinner than a human hair…

Scientists have designed a cancer-fighting robot one-thousandth the width of a human hair are now able to fight cancer by destroying tumors in the body. The Nano-robot is built from deoxyribonucleic acid, (DNA) sheets shaped into tubes. The tubes carry a blood-clotting enzyme, thrombin, into the bloodstream. They are painted with proteins which home in on a separate protein found only in tumor cells.

Destroying Acid (DNA)

When the cancer-fighting robots reach their target and bind to its surface they spring open and deliver the enzyme which clots the blood supply to the tumor and causes it to have a mini heart attack and die.

The Nano-robots work fast, congregating in large numbers to surround a tumor just hours after injection.

They were found to be safe in tests on mice and pigs, with no evidence of spreading to the brain where they could cause a stroke. The treatment blocked tumor blood supply and generated tumor tissue damage within 24 hours while having no effect on healthy tissue.

Three out of eight mice with skin cancer saw their tumors shrink, with their survival time from cancer more than doubling on average from 20.5 to 45 days.

The research comes after a team of scientists, last year that created Nano-robots able to drill into and destroy cancer cells.

Nano-robots are so-called because of their tiny size and because they contain parts capable of movement within the body. In this case, the mechanical action is the springing open of the DNA sheet to reveal the blood-clotting drug.

This is the first time that DNA molecules have been manipulated to deliver drugs in this way. It’s a fascinating advance that, if refined and proven effective in humans. Which could have far-reaching implications for treating cancer and other diseases.

Now that scientists have developed the first fully autonomous, DNA robotic system. Which is a definite drug design that targeted cancer therapy?

Moreover, this technology is a strategy that can be used for many types of cancer, since all solid tumor-feeding blood vessels are essentially the same.’ Nanotechnology, which is smaller than most of us can imagine, is seen as the way forward to tackle cancer through a simple injection.

One sheet of newspaper is around 100,000 nanometers thick. The Nanorobots used to fight cancer are made from sheets of DNA measuring just 90 nanometers by 60.

 

Cancer-fighting robot thinner than a human hair

 

Nano-robots are so-called because of their tiny size and because they contain parts capable of movement within the body. In this case, the mechanical action is the springing open of the DNA sheet to reveal the blood-clotting drug.

This is the first time that DNA molecules have been manipulated to deliver drugs in this way. It’s a fascinating advance that, if refined and proven effective in humans. Which could have far-reaching implications for treating cancer and other diseases.

Now that scientists have developed the first fully autonomous, DNA robotic system. Which is a definite drug design that targeted cancer therapy?

Noteworthy

Baroness Delyth Morgan, chief executive of Breast Cancer Now, said: The development of nano-robots that can deliver drugs to a specific target within a tumor is an exciting glimpse into the future of cancer medicine.

Acknowledgments & References

Durham University, last year created Nano-robots able to drill into and destroy cancer cells.Baroness Delyth Morgan, chief executive of Breast Cancer Now. Arizona State University imagery, Professor Hao Yan, a co-author of the study from Arizona State University, Dr. James Tour of Rice University in the US, who was involved in last year’s breakthrough with Durham University,

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