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Is combined medication with natural medicine a promising therapy for bacterial biofilm infection? - 18/06/20

Doi : 10.1016/j.biopha.2020.110184 
Lulu Zhang a, b, 1, Enjun Liang a, c, 1, Yungchi Cheng d, Tariq Mahmood e, Feng Ge f, Ke Zhou c, Mei Bao a, b, Lang Lv g, Li Li a, , Jianfeng Yi b, , Cheng Lu a, , Yong Tan a,
a Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing 100700, China 
b Key Laboratory for Research on Active Ingredients in Natural Medicine of Jiangxi Province, Yichun University, Yichun 336000, China 
c The Second Affiliated Hospital of Hunan University of Chinese Medicine, Changsha 410005, China 
d Department of Pharmacology, Yale University School of Medicine, New Haven CT06520, United States 
e Department of Plant Sciences, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan 
f Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China 
g State Key Laboratory of Innovative Natural Medicine and Traditional Chinese Medicine Injections, Ganzhou 341000, China 

Corresponding authors.

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Graphical abstract

Bacterial biofilms cause persistent infection, and seriously aggravate the occurrence of antibiotic resistance. Current conventional therapies, such as antibiotics, bacteriophages and quorum sensing inhibitors, are inadequate for the treatment of the biofilms. Increasing evidence has shown that natural medicines characterized by multicomponent and multitarget take comprehensive inhibitory effect on the biofilms. Based on the comparative analysis of the efficacy characteristics and mechanisms in combatting the biofilms of conventional and natural medicine therapies, this review has concluded that the combined medication of two therapies will be a more effective strategy against the biofilms. This review provides a novel thinking for the treatment of bacterial biofilm infections.




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Highlights

Bacterial biofilms are considered as the important reasons for bacterial resistance and persistent infections.
Conventional therapies like antibiotics are inadequate for the treatment of biofilms.
Evidences have shown that natural medicine therapies have comprehensive inhibitory effect on biofilms.
The efficacy characteristics and mechanisms of two therapies combatting biofilms have been analyzed comparatively.
The combined medication of two therapies will be a more effective treatment strategy for biofilm infections.

El texto completo de este artículo está disponible en PDF.

Abstract

Bacterial biofilms widely exist in nature and seriously threaten global public health. Biofilms always cause persistent infection and seriously aggravate the occurrence of antibiotic resistance, which makes the treatment of bacterial infection difficult. Current conventional therapies, such as antibiotics, bacteriophages and quorum sensing inhibitors, are widely used to combat biofilms. However, these therapies are inadequate for the safe and effective treatment of biofilms. Antibiotics often produce resistance in treated bacteria, and antibacterial peptides are easily decomposed by proteases, so their efficacy is reduced. These results indicate that the treatment of biofilms needs further improvement. Increasing evidence has shown that natural medicine therapies have significant inhibitory effects on biofilms. This review summarized and analyzed the efficacy characteristics and corresponding mechanisms of conventional and natural medicine therapies combatting biofilms. By comparison, the advantages and disadvantages of those therapies have been classified and interpreted, so we have inferred that combined medication with natural medicines will be a more effective strategy against biofilms. This review lays a promising foundation for the development of antibiofilm agents and provides novel thinking for the treatment of bacterial biofilm infections.

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Keywords : Combined medication, Natural medicine, Bacterial biofilm


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© 2020  The Author(s). Publicado por Elsevier Masson SAS. Todos los derechos reservados.
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