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The inflammatory stimulus of a natural latex biomembrane improves healing in mice

Overview of attention for article published in Brazilian Journal of Medical and Biological Research, September 2011
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Title
The inflammatory stimulus of a natural latex biomembrane improves healing in mice
Published in
Brazilian Journal of Medical and Biological Research, September 2011
DOI 10.1590/s0100-879x2011007500116
Pubmed ID
Authors

T.A.M. Andrade, A. Iyer, P.K. Das, N.T. Foss, S.B. Garcia, J. Coutinho-Netto, A.A. Jordão-Jr., M.A.C. Frade

Abstract

The aim of the present study was to compare healing obtained with biomembranes with the natural healing process (sham) using biochemical and immunohistological assays. C57BL/6 mice were divided into 4 groups of 15 mice each and received different subcutaneous implants: natural latex biomembrane (NLB), denatured latex (DL), expanded polytetrafluorethylene (ePTFE), or sham. On the 2nd, 7th, and 14th days post-treatment, 5 mice per group were sacrificed and biopsied for the following measurements: oxidative stress based on malondialdehyde (MDA), myeloperoxidase (MPO) and hydrogen peroxide by the method of ferrous oxidation-xylenol orange (FOX), as well as glutathione and total proteins; histological evaluation to enumerate inflammatory cells, fibroblasts, blood vessels, and collagen, and immunohistochemical staining for inducible nitric oxide synthase, interleukin-1β, vascular endothelial growth factor (VEGF), and transforming growth factor-β1 (TGF-β1). On day 2 post-treatment, NLB stimulated a dense inflammatory infiltrate mainly consisting of polymorphonuclear cells, as indicated by increased MPO (P < 0.05), but oxidative stress due to MDA was not observed until the 7th day (P < 0.05). The number of blood vessels was greater in NLB (P < 0.05) and DL (P < 0.05) mice compared to sham animals on day 14. NLB induced fibroplasia by day 14 (P < 0.05) with low expression of TGF-β1 and collagenesis. Thus, NLB significantly induced the inflammatory phase of healing mediated by oxidative stress, which appeared to influence the subsequent phases such as angiogenesis (with low expression of VEGF) and fibroplasia (independent of TGF-β1) without influencing collagenesis.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 64 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 2%
Unknown 63 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 11 17%
Student > Doctoral Student 8 13%
Student > Bachelor 8 13%
Student > Ph. D. Student 6 9%
Researcher 5 8%
Other 12 19%
Unknown 14 22%
Readers by discipline Count As %
Medicine and Dentistry 13 20%
Pharmacology, Toxicology and Pharmaceutical Science 7 11%
Engineering 6 9%
Biochemistry, Genetics and Molecular Biology 4 6%
Chemistry 3 5%
Other 15 23%
Unknown 16 25%
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 13 October 2011.
All research outputs
#20,656,161
of 25,373,627 outputs
Outputs from Brazilian Journal of Medical and Biological Research
#901
of 1,254 outputs
Outputs of similar age
#114,093
of 136,994 outputs
Outputs of similar age from Brazilian Journal of Medical and Biological Research
#12
of 15 outputs
Altmetric has tracked 25,373,627 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,254 research outputs from this source. They receive a mean Attention Score of 4.9. This one is in the 18th percentile – i.e., 18% of its peers scored the same or lower than it.
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We're also able to compare this research output to 15 others from the same source and published within six weeks on either side of this one. This one is in the 6th percentile – i.e., 6% of its contemporaries scored the same or lower than it.