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Offlinesporecap
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Cannabis compound could be weapon in fight against superbugs * 1
    #26441854 - 01/19/20 05:27 PM (4 months, 6 days ago)

Article: https://www.theguardian.com/society/2020/jan/19/cannabis-compound-could-be-weapon-in-fight-against-superbugs
Paper: https://www.biorxiv.org/content/10.1101/833392v3

A compound made by cannabis plants has been found to wipe out drug-resistant bacteria, raising hopes of a new weapon in the fight against superbugs.

Scientists screened five cannabis compounds for their antibiotic properties and found that one, cannabigerol (CBG), was particularly potent at killing methicillin-resistant Staphylococcus aureus (MRSA), one of the most common hospital superbugs.

Tests in the lab showed that CBG, which is not psychoactive, killed common MRSA microbes and “persister” cells that are especially resistant to antibiotics and that often drive repeat infections. The compound also cleared up hard-to-shift “biofilms” of MRSA that can form on the skin and on medical implants.

Having seen how effective the substance was against bacteria in the lab, the researchers decided to test CBG’s ability to treat infections in animals. In a study that has not yet been published, they found that CBG cured mice of MRSA infections as effectively as vancomycin, a drug widely considered to be the last line of defence against drug-resistant microbes. The study is under review at the ACS Infectious Diseases journal.

Eric Brown, a microbiologist who led the work at McMaster University in Hamilton, Ontario, said cannabinoids were “clearly great drug-like compounds”, but noted it was early days in assessing the compounds for use in the clinic. “There is much work to do to explore the potential of the cannabinoids as antibiotics from the safety standpoint,” he said.

Antibiotic resistance has become a major threat to public health. England’s former chief medical officer Dame Sally Davies has said the loss of effective antibiotics would lead to “apocalyptic scenarios”, with patients dying from routine infections and many operations becoming too risky to perform.

In the study, the researchers describe how the rapid global spread of drug resistance, caused by microbes developing mutations that protect them against antibiotics, has driven an urgent need to explore new sources of drugs. Among antibiotics in use today, the newest date back to discoveries made more than 30 years ago.

Bacteria fall into two classes depending on the makeup of their cells. MRSA bugs are known as gram positive bacteria, and have a single, thick cell membrane. Gram negative bugs differ in having inner and outer cell membranes, and these infections can be harder to treat. In the World Health Organization’s priority list of drug-resistant bacteria, all three ranked as a “critical” priority are gram negative, namely Acinetobacter baumannii, Pseudomonas aeruginosa and Enterobacteriaceae.

Brown found that CBG and other cannabinoids did not work well against gram negative multi-drug resistant bugs. But the team went on to show that when CBG was used with small quantities of polymyxin B, an existing antibiotic that disrupts the outer membrane of gram negative bacteria, the cannabis compound wiped out the drug-resistant pathogens.

Cannabis plants are thought to make the compounds to fight off invading pathogens, but there are other ways to produce CBG. To study the compound, Brown’s team synthesised it in the lab using the chemicals olivetol and geraniol. “We are now pursuing the required paperwork to work with a wide variety of cannabinoids,” he said.

Mark Blaskovich, who studies antibiotic cannabis compounds at the University of Queensland, said cannabis seemed to be particularly rich in antibiotics, though other plants such as tea tree, garlic and the spices turmeric and curcurmin also contained antibacterials.

“These are likely made as a defence mechanism to protect the plant from bacterial and fungal infections, but to date have not been very useful for human infections as they really only work outside the body,” he said. “That’s what makes this new report potentially exciting – evidence that cannabigerol is able to treat a systemic infection in mice.”


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OfflineHolybullshit
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Re: Cannabis compound could be weapon in fight against superbugs [Re: sporecap]
    #26441960 - 01/19/20 06:37 PM (4 months, 6 days ago)

I wonder if CBG is found in leaves and stems, or if it would be found in significantly higher levels in immature flowers.


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Invisibletrvptamine
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Re: Cannabis compound could be weapon in fight against superbugs [Re: Holybullshit]
    #26442888 - 01/20/20 11:53 AM (4 months, 5 days ago)

Amazing


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Offlinemeepins
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Re: Cannabis compound could be weapon in fight against superbugs [Re: sporecap]
    #26611399 - 04/18/20 09:51 PM (1 month, 8 days ago)

Get Fk'd superbugs!:rasta:


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OfflinetacodudeS
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Re: Cannabis compound could be weapon in fight against superbugs [Re: meepins]
    #26612983 - 04/19/20 02:55 PM (1 month, 8 days ago)

I literally just had the flu where I used a RSO from a Black Jack harvest that contains about 0.7 mg CBG per dose and while it's not much it had a noticeable effect fighting the virus where the sore throat I developed rapidly also dissipated writte rapidly (within 24 hours) where every time I melted a dove milk chocolate egg under my tongue with oil dropped on it that would absorb into the melted chocolate and would coat the throat when swallowed causing my throat to be soothed... I'll clarify that it was likely a basic flu and definitely not coronavirus. While CBG could be useful in fighting the virus it's not a cure and likely won't do much against it.

Edit: CBG would be found in plants that have been bred to mutate out the DNA that regulates the conversion of CBG-->CBC to be further converted... I did read an old theory that if one harvested a field of week old sprouts to extract of any plant they could collect the plant before the CBG is converted into CBC as it supposedly didn't start it till the second week of growth, but never seen the theory confirmed. Look up oregoncbg though and they sell CBG heavy strains.


Edited by tacodude (04/19/20 02:59 PM)


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InvisibleDoc9151M
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Registered: 02/23/17
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Re: Cannabis compound could be weapon in fight against superbugs [Re: tacodude]
    #26620787 - 04/22/20 08:34 PM (1 month, 5 days ago)

cbg is found in the entire plant if I remember correctly, but not all strains have CBG


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Psilocybe cubensis data collection thread. please help with this project if you hunt wild cubensis.
https://www.shroomery.org/forums/showflat.php?Cat=0&Number=26513593&page=0&vc=1#26513593


Edited by Doc9151 (04/22/20 08:35 PM)


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OfflinetacodudeS
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Re: Cannabis compound could be weapon in fight against superbugs [Re: Doc9151]
    #26633597 - 04/28/20 07:03 AM (30 days, 14 hours ago)

Impossible doc... CBG is the precursor tip producing CBC that's then converted into THC or CBD is what I understand from reading. All plants have CBG at some point and it's just by the time they're matured all the CBG is converted. Oregon CBG actually developed two different CBG pricing strains (stem cell and something else I'm too lazy to look up) as well as this company extractionlabs.com produces a 1:1 CBD:CBG tincture I just recently procured that got to me 2 days within leading even through the crisis I highly recommend checking out as they have a low income program for anyone on food stamps or some other low income program they can prove.


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