The legions of nanorobotic agents consist of more than 100 million flagellated bacteria, which are self-propelled and armed with drugs that maneuver by going in the most direct path between the drug's injection mark and the point of the body to cure. Image credit: Montréal Nanorobotics Laboratory
Nanotechnology Technology

Scientists Have Created Nanorobots That Can Travel Down the Bloodstream and Precisely Target Cancerous Tumors

A new cancer research breakthrough has recently been developed thanks to researchers from McGill University, Université de Montréal and Polytechnique Montréal. The new nanorobots can travel down the bloodstream to administer drugs precisely by targeting a tumor’s cancer cells. This is the best way to inject medication since the integrity of the healthy tissues and organs won’t be jeopardized. This means that the dosage of the drug could be reduced, which is significant because the drug is very toxic for humans.

According to Professor Sylvain Martel, director and the head of the research team at Polytechnique Montréal Nanorobotics Laboratory and the holder of the Medical Nanorobotics Canada Research Chair, these nanorobotic agents hold no less than 100 million bacteria, which are flagellated and self-propelled. These bacteria are full of drugs and take a direct path from the injection site to the part of the body that needs to be cured. The propelling force of the drug is strong enough to enter the tumors deeply and to travel efficiently.

When the nanorobotic agents enter a specific tumor they can automatically detect the tumor areas that have been depleted of oxygen, which are called hypoxic zones, in order to deliver the medicine to them. Tumor cells that are rapidly proliferative create a hypoxic zone by substantially consuming oxygen. Up until now these hypoxic zones have been resistant to the majority of therapy methods including radiotherapy. It is difficult to access these tumors even with a small blood cell path because physiological complex microenvironments need to be crossed. For this reason, Prof. Martel along with his team of researchers decided to use nanotechnology to see results.

There are 2 natural systems that the bacteria rely on for movement. They are drawn towards a magnetic field through the synthesis created by a magnetic nanoparticles chain and they are able to get to the active regions in the tumor and remain there with an oxygen concentration measuring sensor. When these 2 systems of transportation are used together and when the bacteria are exposed to a magnetic field that is computer-controlled, these bacteria are able to replicate perfectly these task-oriented artificial nanorobots.

Prof. Martel goes on to say that more advanced intervention methods and engineering concepts will be created as a result of the innovative use of these nanorobots. As well, the synthesis of new transportation methods for diagnosing, imaging and therapeutic agents can be further researched. Chemotherapy is a toxic form of therapy for the human body and as a result of the research the side effects could be eliminated while the therapeutic effectiveness is increased by using nanorobots to directly transport the drugs to the targeted area.

The research paper has been published in the journal of Nature Nanotechnology in a study titled “Magneto-aerotactic bacteria deliver drug-containing nanoliposomes to tumour hypoxic regions.” The research marks the results of the study done on mice and shows how they successfully directed nanorobotic agents into colorectal tumors.

  • Anteater

    “Scientists create a nano-sludge that, once injected, will agglomerate T-cells and stray lipids, then form venous thromboses and metallic granular infarctions in the liver, thereby complicating CAT scan readings, and leading to a reduced quality of life.”

    The article should say PAID ADVERTISING.

    • backflipkgo

      Yep, says the random who knows better than the doctors/scientists themselves. Pull your head out.

      • Tav-El

        He wouldn’t need to pull his head out if he had just used nanites instead. They’re a lot smaller.

    • Pix

      You have any source to go with that claim? Because without a source you’re just a raving lunatic on the internet.

    • Rj Kietchen

      It is obviously paid advertising. It is describing the most ideal outcome that hundreds of universities have all been working on for a dozen years and is still several years away. It is a clear attempt to direct credit to one university so that they can lay claim to public and private investment in their research and is laughable in it’s transparency. Note the “Blue Bolded” lettering for their name. Again, laughable self-promotion to try to get money. I guess things are not going well for them and needed to lower themselves to this level.

      • ScienceNewsJournal

        No it is not, because we did not get paid by anyone for this article. Also, there are three organizations mentioned in the article who worked together on this.

        • Rj Kietchen

          Understood that SNJ received no money. Now their are only two possibilities for the outcome. One, the article is a paid advertisement for another website and SNJ reprinted it, or two, articles are written here to promote contributors so that they will keep relaying content. I have no ax to grind with SNJ, I would just like to read articles written scientifically, i.e. without bias or focus on people, institutions, or self-aggrandizement. For whatever cause, this article reflects science as marketing, not science for science.

      • Jacob Glanzer

        See my reply above. Same goes for you.

    • ScienceNewsJournal

      We did not get paid by anyone for this article, I don’t know what gives you that idea…

    • Jacob Glanzer

      Mcgill is a fairly famous university particularly in medicine. It doesn’t need to shill. Get back under the bridge, troll.

      • Rj Kietchen

        You’ve made no point.

  • Batmo Beal

    Cures for cancer: Vitamin B17, Essiac, Turmeric, Ginger, Diatomaceous Earth, colloidal silver, colloidal gold (just a few to start with). As for the source, look for cancer patients’ testimonies who tell you they have been cured, after the medical field poisoned them enough with their radiation “treatments”.

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