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Proanthocyanidins polymeric tannin from Stryphnodendron adstringens are active against Candida albicans biofilms

Overview of attention for article published in BMC Complementary Medicine and Therapies, March 2015
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Title
Proanthocyanidins polymeric tannin from Stryphnodendron adstringens are active against Candida albicans biofilms
Published in
BMC Complementary Medicine and Therapies, March 2015
DOI 10.1186/s12906-015-0597-4
Pubmed ID
Authors

Raul Leal Faria Luiz, Taissa Vieira Machado Vila, João Carlos Palazzo de Mello, Celso Vataru Nakamura, Sonia Rozental, Kelly Ishida

Abstract

Biofilm formation is important in Candida albicans pathogenesis and constitutes a mechanism of antifungal resistance. Thus, we evaluated the effect of proanthocyanidins polymer-rich fractions from Stryphnodendron adstringens (fraction F2 and subfraction F2.4) against C. albicans biofilms. Firstly, the antifungal activity of F2 and F2.4 against planktonic cells of Candida albicans (ATCC 10231) was determined using broth microdilution method. Anti-biofilm effect of F2 and F2.4 was evaluated during biofilm formation or on mature biofilm of C. albicans and compared with standard antifungals amphotericin B and fluconazole. Metabolic activity of sessile and dispersion cells from biofilms after antifungal treatments were measured using a tetrazolium reduction assay and the biofilm total biomass was quantified by crystal violet-based assay. Morphological alterations after treatments were observed using scanning electron microscopy. The anti-biofilm effect of F2 and F2.4 were comparable to standard antifungals (amphotericin B and fluconazole). F2 and F2.4 treatments reduced biofilm metabolic activity (in sessile and in dispersion cells) during biofilm formation, and in mature biofilms, unlike fluconazole, which only prevents the biofilm formation. Treatments with F2, F2.4 or fluconazole reduced biofilm biomass during biofilm formation, but not in mature biofilm. Amphotericin B presented higher inhibitory effect on biofilm formation and on mature biofilm of C. albicans. F2 and F2.4 treatments led to the appearance of dumbbell-shaped blastoconidia and of blastoconidia clusters in biofilms. Proanthocyanidins polymer-rich fractions from S. adstringens successfully inhibited C. albicans planktonic growth and biofilm development, and they represent a potential new agent for the treatment of biofilm-associated candidiasis.

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X Demographics

The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 101 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 2 2%
Unknown 99 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 19 19%
Student > Bachelor 15 15%
Researcher 10 10%
Student > Doctoral Student 8 8%
Student > Ph. D. Student 8 8%
Other 14 14%
Unknown 27 27%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 12 12%
Biochemistry, Genetics and Molecular Biology 12 12%
Agricultural and Biological Sciences 10 10%
Medicine and Dentistry 10 10%
Immunology and Microbiology 9 9%
Other 15 15%
Unknown 33 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 14 November 2015.
All research outputs
#17,758,492
of 22,805,349 outputs
Outputs from BMC Complementary Medicine and Therapies
#2,346
of 3,630 outputs
Outputs of similar age
#180,272
of 263,705 outputs
Outputs of similar age from BMC Complementary Medicine and Therapies
#56
of 88 outputs
Altmetric has tracked 22,805,349 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,630 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 8.5. This one is in the 30th percentile – i.e., 30% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 263,705 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 88 others from the same source and published within six weeks on either side of this one. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.