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Kidney injury molecule-1 expression in human kidney transplants with interstitial fibrosis and tubular atrophy

Overview of attention for article published in BMC Nephrology, February 2015
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Title
Kidney injury molecule-1 expression in human kidney transplants with interstitial fibrosis and tubular atrophy
Published in
BMC Nephrology, February 2015
DOI 10.1186/s12882-015-0011-y
Pubmed ID
Authors

Aline Lima Nogare, Francisco Veríssimo Veronese, Virna Nowotny Carpio, Rosangela Munhoz Montenegro, José Alberto Pedroso, Karla Laís Pegas, Luiz Felipe Gonçalves, Roberto Ceratti Manfro

Abstract

Kidney injury molecule-1 (KIM-1) is expressed in tubular epithelial cells after injury and may have a role in the development of renal graft fibrosis. In this study we evaluated the molecular and protein expressions of KIM-1 in dysfunctional allografts and also mRNA KIM-1 expression in urine as potential biomarkers of graft fibrosis. Protein and mRNA levels in renal tissue and urinary sediment cells of 69 kidney transplant recipients that undertook for-cause graft biopsies were evaluated by immunohistochemistry and real-time polymerase chain reaction. The histopathology was classified according to the 2007 Banff schema. KIM-1 protein expression was increased in biopsies with interstitial fibrosis and tubular atrophy (IF/TA) compared with biopsies showing acute calcineurin inhibitor nephrotoxicity (CIN) (P <0.05). Kidney tissue KIM-1 mRNA signaling (in) was increased in biopsies with IF/TA compared with all other groups (P <0.05). In the urine cells KIM-1 mRNA was also increased in patients with IF/TA compared with patients with acute CIN (P <0.05). Significant correlations were found between KIM-1 protein and mRNA levels in tissue, between mRNA expressions in tissue and urine and between protein tissue expression and gene expression in the urine. KIM-1 seems to be a marker of kidney graft fibrosis. Urinary KIM-1 mRNA may become a useful non-invasive biomarker of the injuries that can trigger intra-graft fibrotic processes, such as interstitial fibrosis and tubular atrophy.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 43 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Thailand 1 2%
Canada 1 2%
Unknown 41 95%

Demographic breakdown

Readers by professional status Count As %
Researcher 6 14%
Student > Doctoral Student 6 14%
Other 4 9%
Student > Master 4 9%
Student > Ph. D. Student 4 9%
Other 7 16%
Unknown 12 28%
Readers by discipline Count As %
Medicine and Dentistry 13 30%
Agricultural and Biological Sciences 4 9%
Biochemistry, Genetics and Molecular Biology 4 9%
Pharmacology, Toxicology and Pharmaceutical Science 2 5%
Engineering 2 5%
Other 5 12%
Unknown 13 30%
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 06 March 2015.
All research outputs
#17,749,774
of 22,793,427 outputs
Outputs from BMC Nephrology
#1,701
of 2,465 outputs
Outputs of similar age
#246,883
of 358,547 outputs
Outputs of similar age from BMC Nephrology
#25
of 37 outputs
Altmetric has tracked 22,793,427 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 2,465 research outputs from this source. They receive a mean Attention Score of 4.7. This one is in the 24th percentile – i.e., 24% 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 358,547 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 27th percentile – i.e., 27% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 37 others from the same source and published within six weeks on either side of this one. This one is in the 5th percentile – i.e., 5% of its contemporaries scored the same or lower than it.