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Medicine Science

Newly Discovered Molecule Fights Off Over 300 Kinds of Drug-Resistant Bacteria (sciencealert.com) 71

schwit1 shares a report from ScienceAlert: The molecule is called fabimycin, and further down the line it could be used to fight off some of the most stubborn infections that humans can get. The new potential treatment targets gram-negative bacteria, a group of hard-to-kill pathogens that are commonly behind infections of the urinary tract, lungs, and even the bloodstream. Their resilience is due to a protective outer membrane that helps shield the wall from damaging substances like antibiotics. One study at an English hospital found more than a third of individuals with gram-negative bacteria blood infections had died within a year, demonstrating the challenges involved in managing these robust microbes.

Fabimycin overcomes these problems by passing through the outer cell layer, avoiding the pumps that remove foreign material to allow the molecule to accumulate where it can do the most harm. The substance also manages to avoid wiping out too many healthy bacteria, another issue with current treatments. The team started off with an antibiotic that was known to be effective against gram-positive bacteria and made several structural changes to give the molecule the power to infiltrate gram-negative strains' powerful defenses. In tests, fabimycin had an effect on more than 300 types of drug-resistant bacteria. What's more, in mice models it was shown to reduce levels of harmful bacteria in mice with pneumonia or urinary tract infections to where they were pre-infection.
The research has been published in the journal ACS Central Science.
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Newly Discovered Molecule Fights Off Over 300 Kinds of Drug-Resistant Bacteria

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  • by scourfish ( 573542 ) <scourfish@ y a h o o.com> on Wednesday August 17, 2022 @09:03AM (#62796461)
    Bacteria, consider yourselves on notice for the next FIVE TO NINE WEEKS.
    • by JanSand ( 5746424 ) on Wednesday August 17, 2022 @09:12AM (#62796483) Homepage
      I wonder how long it will take for indiscriminate us of this potential antibiotic in the meat industries make this weapon impotent.
      • It could be hospital administered, or outpatient clinic. This would ensure the full course is completed and there are no survivors left to adapt. My guess is if you have a blood infection (sepsis), youre in the hospital. One caveat needs to be that you agree to cremation if you die. No point in a breeding ground for those bastards to escape.
        • It could be hospital administered, or outpatient clinic. This would ensure the full course is completed and there are no survivors left to adapt.

          Well, it could be ... but there's no laws or anything like that.

        • It could be hospital administered, or outpatient clinic.

          The comment you replied to says "I wonder how long it will take for indiscriminate us of this potential antibiotic in the meat industries make this weapon impotent.". The last time I checked, animals destined to become our food don't go to hospitals or outpatient clinics.

          • by e3m4n ( 947977 )
            last time I checked we dont inject cows with vancomycin either. We dont fight gram negative bacteria in cows.
        • You are taking cows to a hospital? Okay.

          • by e3m4n ( 947977 )
            you are administering gram negative antibiotics to cows?? (vancomycin) ???? Okay. I ignored your dipshit statement and answered a more realistic statement about overuse in general, not for fucking cows. You arent a Vet, you dont play one on TV either. So dont make assumptions about a drug targeting sepsis. We dont slaughter cows with blood borne bacterial infections. And we certainly dont spend the kind of cash this drug will cost. Vanc is a last resort drug because it can cause organ failure. This is a po
            • Vancomycin is only effective against gram positive bacteria, it has no spectrum of activity against gram negative organisms. This is not a replacement for vancomycin since it appears fabimycin is engineered primarily to have spectrum of activity against gram negatives.

              Also, vancomycin is not "a last resort drug because it can cause organ failure". Renal injury from vancomycin is tremendously rare when dosed appropriately. Vancomycin is a good drug for treatment of methicillin resistant staph (MRSA), but onc

              • I guess my dad was one of the unlucky ones. He caught MRSA from a hospital while undergoing a burn treatment and partial foot amputation. He was on Vanc and went into failure and hypoxia. At the time, 1999, hospitals were the most common place to get mrsa and very loose protocols to avoid spreading it. At least the over attention covid created probably put a curb to the spread of other hospital pathogens. Its sort of like how the printing press evolved during the plague.
        • by tlhIngan ( 30335 )

          It could be hospital administered, or outpatient clinic. This would ensure the full course is completed and there are no survivors left to adapt. My guess is if you have a blood infection (sepsis), youre in the hospital. One caveat needs to be that you agree to cremation if you die. No point in a breeding ground for those bastards to escape.

          Chances are, if you have an antibiotic resistant strain of bacteria, you'd be in hospital anyways. This like C. Diff, MRSA and such are nasty diseases and if you got it,

      • I suspect it's going to be WAY too expensive for that kind of usage. When the patent expires and it can be made generically and cheaply, then all bets are off.

        • Probably the first good argument I've seen for longer drug patents.
        • When the patent expires and it can be made generically and cheaply, then all bets are off.

          By the time the patent expires, it's likely that bacteria resistant to this new antibiotic will have evolved.

        • The stuff certified for human use will be very expensive, but that doesn't mean it's very expensive to manufacture.

          If it's cheap to make, they can make veterinarian grade to sell at lower cost.

      • by gweihir ( 88907 )

        I expect this will happen the day it becomes available. Human stupidity and greed is unlimited....

      • Antibiotic resistance is for the most part a serious problem *only in hospitals*.

        Stay away from hospitals, especially if you're sick. Have you seen the statistics on how many people die there?

    • Yep, hyperevolution will wipe out the effectiveness of this rather quickly.

  • Agriculture needs metric tons of this ASAP.

  • by swell ( 195815 ) <jabberwock@poetic.com> on Wednesday August 17, 2022 @11:32AM (#62796973)

    Long before there was penicillin there was silver but the invention of the miracle drug brought about an amnesia regarding silver.

    Silver is still used in some limited situations. The handrails at your hospital may have been cleaned with a solution that leaves a trace of silver to help prevent the spread MRSA. There are nasal sprays and other forms of silver for your personal use if you know where to find them. I've heard that silver is used extensively to prevent infection in burn victims.

    Research continues but scientists don't fully understand how silver kills germs; this is a step forward: https://www.sciencedaily.com/r... [sciencedaily.com]

    • Long before there was penicillin there was silver but the invention of the miracle drug brought about an amnesia regarding silver.

      Silver is still used in some limited situations. The handrails at your hospital may have been cleaned with a solution that leaves a trace of silver to help prevent the spread MRSA. There are nasal sprays and other forms of silver for your personal use if you know where to find them. I've heard that silver is used extensively to prevent infection in burn victims.

      Research continues but scientists don't fully understand how silver kills germs; this is a step forward: https://www.sciencedaily.com/r... [sciencedaily.com]

      When I was a kid I blew my face off with a rocket engine (2nd degree burns). My mother diligently changed the bandages every day and applied the prescribed Silvadene cream. I had not a single infection and not a single scar.
      Silver is good stuff.

  • Fabimycin hasn't even started human trials yet. Similar chemicals that are prescribed for MS can impact the immune system and damage the heart. (People with MS want their immune system held back). Side effects could keep this from ever becoming a medicine, even a medicine of last resort.
  • They can use it to increase lifestock yield!

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