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Int J Immunopathol Pharmacol. 2017 Jun;30(2):163-167. doi: 10.1177/0394632017697987. Epub 2017 Mar 1.

Effects of Lactobacillus rhamnosus and Lactobacillus acidophilus on bacterial vaginal pathogens.

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1 Department of Technology and Health, National Institute of Health, Rome, Italy.
2 Giellepi S.p.A. Health Science, Lissone (MB), Italy.


The human vagina is colonized by a variety of microbes. Lactobacilli are the most common, mainly in healthy women; however, the microbiota composition can change rapidly, leading to infection or to a state in which potential pathogenic microorganisms co-exist with other commensals. In premenopausal women, urogenital infections, such as bacterial vaginosis and aerobic vaginitis, remain an important health problem. Treatment of these infections involves different kind of antibiotics; however, the recurrence rate remains high, and it must be also underlined that antibiotics are unable to spontaneously restore normal flora characterized by an abundant community of Lactobacilli. The main limitation is the inability to offer a long-term defensive barrier, thus facilitating relapses and recurrences. We report here the antimicrobial activities of two commercially existing Lactobacillus strains, Lactobacillus rhamnosus HN001 and Lactobacillus acidophilus GLA-14 strains and their combination (Respecta® probiotic blend) against four different pathogens responsible for both bacterial vaginosis ( Gardenerella vaginalis and Atopobium vaginae) and aerobic vaginitis ( Staphylococcus aureus and Escherichia coli) by co-culturing assay. The probiotic combination, even if resulting in a different microbicidal activity against the different strains tested, demonstrated the efficacy of combined Lactobacillus strain treatment.


Lactobacillus; aerobic vaginitis; antimicrobial; bacterial vaginosis

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