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Effect of promethazine on biofilms of gram-positive cocci associated with infectious endocarditis

Overview of attention for article published in Biofouling, May 2023
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Title
Effect of promethazine on biofilms of gram-positive cocci associated with infectious endocarditis
Published in
Biofouling, May 2023
DOI 10.1080/08927014.2023.2202313
Pubmed ID
Authors

Gláucia Morgana de Melo Guedes, Carliane Melo Alves Melgarejo, Alyne Soares Freitas, Bruno Rocha Amando, Cecília Leite Costa, Crister José Ocadaque, Francisco Ivanilsom Firmiano Gomes, Silviane Praciano Bandeira, Rossana de Aguiar Cordeiro, Marcos Fábio Gadelha Rocha, José Júlio Costa Sidrim, Débora de Souza Collares Maia Castelo-Branco

Abstract

This study evaluated the antimicrobial activity of promethazine against Staphylococcus aureus, Staphylococcus epidermidis and Streptococcus mutans and its effect on the antimicrobial susceptibility of biofilms grown in vitro and ex vivo on porcine heart valves. Promethazine was evaluated alone and in combination with vancomycin and oxacillin against Staphylococcus spp. and vancomycin and ceftriaxone against S. mutans in planktonic form and biofilms grown in vitro and ex vivo. Promethazine minimum inhibitory concentration range was 24.4-95.31 μg/mL and minimum biofilm eradication concentration range was 781.25-3.125 μg/mL. Promethazine interacted synergistically with vancomycin, oxacillin and ceftriaxone against biofilms in vitro. Promethazine alone reduced (p < 0.05) the CFU-counts of biofilms grown on heart valves for Staphylococcus spp., but not for S. mutans, and increased (p < 0.05) the activity of vancomycin, oxacillin and ceftriaxone against biofilms of Gram-positive cocci grown ex vivo. These findings bring perspectives for repurposing promethazine as adjuvant in the treatment of infective endocarditis.

X Demographics

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The data shown below were collected from the profiles of 2 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 3 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 3 100%

Demographic breakdown

Readers by professional status Count As %
Unspecified 1 33%
Student > Ph. D. Student 1 33%
Unknown 1 33%
Readers by discipline Count As %
Unspecified 1 33%
Immunology and Microbiology 1 33%
Unknown 1 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 05 May 2023.
All research outputs
#15,435,678
of 23,702,491 outputs
Outputs from Biofouling
#395
of 769 outputs
Outputs of similar age
#105,788
of 210,238 outputs
Outputs of similar age from Biofouling
#2
of 7 outputs
Altmetric has tracked 23,702,491 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 769 research outputs from this source. They receive a mean Attention Score of 3.3. This one is in the 44th percentile – i.e., 44% 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 210,238 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 46th percentile – i.e., 46% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 7 others from the same source and published within six weeks on either side of this one. This one has scored higher than 5 of them.