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Highlights in the knowledge of brown spider toxins

Overview of attention for article published in Journal of Venomous Animals and Toxins including Tropical Diseases, February 2017
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Title
Highlights in the knowledge of brown spider toxins
Published in
Journal of Venomous Animals and Toxins including Tropical Diseases, February 2017
DOI 10.1186/s40409-017-0097-8
Pubmed ID
Authors

Daniele Chaves-Moreira, Andrea Senff-Ribeiro, Ana Carolina Martins Wille, Luiza Helena Gremski, Olga Meiri Chaim, Silvio Sanches Veiga

Abstract

Brown spiders are venomous arthropods that use their venom for predation and defense. In humans, bites of these animals provoke injuries including dermonecrosis with gravitational spread of lesions, hematological abnormalities and impaired renal function. The signs and symptoms observed following a brown spider bite are called loxoscelism. Brown spider venom is a complex mixture of toxins enriched in low molecular mass proteins (4-40 kDa). Characterization of the venom confirmed the presence of three highly expressed protein classes: phospholipases D, metalloproteases (astacins) and insecticidal peptides (knottins). Recently, toxins with low levels of expression have also been found in Loxosceles venom, such as serine proteases, protease inhibitors (serpins), hyaluronidases, allergen-like toxins and histamine-releasing factors. The toxin belonging to the phospholipase-D family (also known as the dermonecrotic toxin) is the most studied class of brown spider toxins. This class of toxins single-handedly can induce inflammatory response, dermonecrosis, hemolysis, thrombocytopenia and renal failure. The functional role of the hyaluronidase toxin as a spreading factor in loxoscelism has also been demonstrated. However, the biological characterization of other toxins remains unclear and the mechanism by which Loxosceles toxins exert their noxious effects is yet to be fully elucidated. The aim of this review is to provide an insight into brown spider venom toxins and toxicology, including a description of historical data already available in the literature. In this review article, the identification processes of novel Loxosceles toxins by molecular biology and proteomic approaches, their biological characterization and structural description based on x-ray crystallography and putative biotechnological uses are described along with the future perspectives in this field.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 121 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 <1%
Unknown 120 99%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 25 21%
Student > Master 18 15%
Other 6 5%
Student > Doctoral Student 6 5%
Researcher 6 5%
Other 15 12%
Unknown 45 37%
Readers by discipline Count As %
Agricultural and Biological Sciences 24 20%
Biochemistry, Genetics and Molecular Biology 22 18%
Medicine and Dentistry 6 5%
Immunology and Microbiology 4 3%
Pharmacology, Toxicology and Pharmaceutical Science 4 3%
Other 12 10%
Unknown 49 40%
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 11 February 2017.
All research outputs
#17,289,387
of 25,382,440 outputs
Outputs from Journal of Venomous Animals and Toxins including Tropical Diseases
#332
of 539 outputs
Outputs of similar age
#268,802
of 424,548 outputs
Outputs of similar age from Journal of Venomous Animals and Toxins including Tropical Diseases
#9
of 16 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one is in the 21st percentile – i.e., 21% of other outputs scored the same or lower than it.
So far Altmetric has tracked 539 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.6. This one is in the 26th percentile – i.e., 26% 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 424,548 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 28th percentile – i.e., 28% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 16 others from the same source and published within six weeks on either side of this one. This one is in the 31st percentile – i.e., 31% of its contemporaries scored the same or lower than it.