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HSP70 of Leishmania amazonensis alters resistance to different stresses and mitochondrial bioenergetics

Overview of attention for article published in Memórias do Instituto Oswaldo Cruz, June 2016
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Title
HSP70 of Leishmania amazonensis alters resistance to different stresses and mitochondrial bioenergetics
Published in
Memórias do Instituto Oswaldo Cruz, June 2016
DOI 10.1590/0074-02760160087
Pubmed ID
Authors

Bárbara Santoni Codonho, Solange dos Santos Costa, Eduardo de Figueiredo Peloso, Paulo Pinto Joazeiro, Fernanda Ramos Gadelha, Selma Giorgio

Abstract

The 70 kDa heat shock protein (HSP70) is a molecular chaperone that assists the parasite Leishmania in returning to homeostasis after being subjected to different types of stress during its life cycle. In the present study, we evaluated the effects of HSP70 transfection of L. amazonensis promastigotes (pTEX-HSP70) in terms of morphology, resistance, infectivity and mitochondrial bioenergetics. The pTEX-HSP70 promastigotes showed no ultrastructural morphological changes compared to control parasites. Interestingly, the pTEX-HSP70 promastigotes are resistant to heat shock, H2O2-induced oxidative stress and hyperbaric environments. Regarding the bioenergetics parameters, the pTEX-HSP70 parasites had higher respiratory rates and released less H2O2 than the control parasites. Nevertheless, the infectivity capacity of the parasites did not change, as verified by the infection of murine peritoneal macrophages and human macrophages, as well as the infection of BALB/c mice. Together, these results indicate that the overexpression of HSP70 protects L. amazonensis from stress, but does not interfere with its infective capacity.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 51 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Brazil 1 2%
Unknown 50 98%

Demographic breakdown

Readers by professional status Count As %
Researcher 8 16%
Student > Bachelor 5 10%
Student > Master 5 10%
Student > Doctoral Student 3 6%
Professor 3 6%
Other 9 18%
Unknown 18 35%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 11 22%
Agricultural and Biological Sciences 10 20%
Medicine and Dentistry 4 8%
Nursing and Health Professions 3 6%
Immunology and Microbiology 3 6%
Other 2 4%
Unknown 18 35%
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 17 June 2016.
All research outputs
#15,983,785
of 25,374,917 outputs
Outputs from Memórias do Instituto Oswaldo Cruz
#948
of 1,502 outputs
Outputs of similar age
#207,552
of 360,139 outputs
Outputs of similar age from Memórias do Instituto Oswaldo Cruz
#11
of 22 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 36th percentile – i.e., 36% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,502 research outputs from this source. They receive a mean Attention Score of 4.6. This one is in the 36th percentile – i.e., 36% 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 360,139 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 42nd percentile – i.e., 42% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 22 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 50% of its contemporaries.