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Curcumin-based therapy offers hope against antibiotic-resistant superbugs

February 7, 2025
in Health
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In 2017, a tragic incident unfolded in a Nevada hospital. A lady, admitted for pneumonia, tragically succumbed to a number of organ failure and sepsis. The perpetrator? A pressure of micro organism that had developed resistance to a staggering 26 completely different antibiotics. These superbugs, or antibiotic-resistant micro organism, stand as one of the urgent public well being threats globally.

Becoming a member of the trouble to battle these lethal pathogens, researchers at Texas A&M have now proven that curcumin, the compound that offers turmeric its attribute shiny yellow coloration, can probably be used to scale back antibiotic resistance.

The researchers confirmed that when curcumin is deliberately given to micro organism as meals after which activated by gentle, it could possibly set off deleterious reactions inside these microbes, ultimately killing them. This course of, they demonstrated, reduces the variety of antibiotic-resistant strains and renders standard antibiotics efficient once more.

The outcomes of the examine are printed within the journal Scientific Reviews.

Earlier than antibiotics, infectious ailments had been the main reason behind dying and incapacity all over the world. With the appearance of those life-saving drugs, the human lifespan has elevated by 23 years on common. Within the final a number of a long time, whereas the invention of novel antibiotics has plateaued, antibiotic resistant micro organism have concurrently develop into extra frequent, ushering within the period of superbugs, similar to methicillin-resistant Staphylococcus aureus (MRSA), vancomycin-resistant enterococcus, and pneumonia, that are all extraordinarily laborious to deal with. In truth, infectious ailments are projected to be the principle causes of human mortality as soon as once more, claiming as much as 10 million lives yearly.

When micro organism begin turning into resistant to traditional antibiotics, we’ve what we name an antibiotic disaster. To beat this problem, we’d like other ways to both kill the superbugs or discover a novel approach to modify pure processes throughout the micro organism in order that antibiotics begin to act once more.”


Dr. Vanderlei Bagnato, professor within the Division of Biomedical Engineering and senior writer on the examine

Micro organism show pure variation inside a given inhabitants. This heterogeneity introduces variations in cell behaviors, together with response to antibiotics, which may straight contribute to therapy resistance if some strains survive antimicrobial medicine and proceed replicating. Thus, the researchers wished to curb bacterial heterogeneity to manage bacterial resistance.

Photodynamic inactivation, a method that has proven promise in combating bacterial resistance, makes use of gentle and light-sensitive molecules, referred to as photosensitizers, to supply reactive oxygen species that may kill microorganisms by disrupting their metabolic processes. Of their experiments, the staff used curcumin, which can also be a pure meals for micro organism. They examined this system on strains of Staphylococcus aureus which can be proof against amoxicillin, erythromycin, and gentamicin.

The researchers uncovered the micro organism to many cycles of sunshine publicity after which in contrast the minimal focus of antibiotics wanted to kill the micro organism after gentle publicity versus people who didn’t get gentle publicity.

“When we’ve a blended inhabitants of micro organism the place some are resistant, we are able to use photodynamic inactivation to slender the bacterial distribution, forsaking strains which can be kind of comparable of their response to antibiotics,” stated Bagnato. “It is a lot simpler now to foretell the exact antibiotic dose wanted to take away the an infection.”

The staff famous that photodynamic inactivation utilizing curcumin has great potential as an adjuvant or extra remedy with antibiotics for ailments, like pneumonia, attributable to antibiotic-resistant micro organism.

“Photodynamic inactivation provides an economical therapy possibility, which is essential for decreasing medical bills not solely in growing nations but in addition in america,” stated Dr. Vladislav Yakovlev, professor within the Division of Biomedical Engineering and writer on the examine. “It additionally has potential purposes in army drugs, the place this know-how might be used to deal with battlefield wounds and forestall the event and unfold of antimicrobial resistance, a big concern in fight conditions.”

Contributors to the analysis embody Dr. Jennifer Soares, who’s the first writer on the paper, and Dr. Kate Blanco from Institute of Physics of São Carlos, College of São Paulo, Brazil.

This analysis was financially supported by São Paulo Analysis Basis, Nationwide Council for Scientific and Technological Improvement, Most cancers Prevention and Analysis Institute of Texas, Governor’s College Analysis Initiative, the Air Drive Workplace of Scientific Analysis, and the Nationwide Institutes of Well being.

Supply:

Journal reference:

Soares, J. M., et al. (2024). Photodynamic inactivation and its results on the heterogeneity of bacterial resistance. Scientific Reviews. doi.org/10.1038/s41598-024-79743-y.



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Tags: antibioticresistantCurcuminbasedhopeOffersSuperbugsTherapy
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