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Immunohistochemical Analysis of PDGFR-α, PDGFR-β and c-Abl in Retinoblastoma: Potential Therapeutic Targets

Overview of attention for article published in Ophthalmic Research, January 2016
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Title
Immunohistochemical Analysis of PDGFR-α, PDGFR-β and c-Abl in Retinoblastoma: Potential Therapeutic Targets
Published in
Ophthalmic Research, January 2016
DOI 10.1159/000442882
Pubmed ID
Authors

Debra-Meghan Sanft, Mali Dawn Worme, Leticia Rielo de Moura, Pablo Zoroquiain, Bruno F. Fernandes, Emilia Antecka, Miguel N. Burnier

Abstract

Our laboratory previously reported that imatinib mesylate (IM) has an inhibitory effect on two retinoblastoma (Rb) cell lines in vitro. The purpose of this project was to determine the immunoexpression of platelet-derived growth factor receptor (PDGFR)-α, PDGFR-β and c-Abl in 61 human samples of Rb to determine if IM-sensitive receptors are present. Additionally, this paper seeks to establish a correlation between the expression of PDGFR, c-Abl and the histopathological prognosis. Sixty-one paraffin-embedded Rbs were collected from the Henry C. Witelson Ocular Pathology Registry. PDGFR-α, PDGFR-β and c-Abl immunostaining was performed according to the protocol provided by Ventana Medical System Inc. Immunoreactivity was correlated with the presence or absence of invasion into the choroid and optic nerve. Overall, c-Abl expression was identified in 50 out of 61 specimens (81.97%), PDGFR-α was identified in 20 out of 60 specimens (33.33%) and PDGFR-β expression was identified in 57 out of 61 specimens (93.44%). Histopathological prognosis was not correlated with immunoreactivity except in the case of PDGFR-β. Rb is a cancer that expresses PDGFR-α, PDGFR-β and c-Abl, which are known targets of IM. These markers may be responsible for the documented therapeutic effect of IM on Rb cell lines.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 12 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 12 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 3 25%
Student > Postgraduate 2 17%
Student > Master 2 17%
Lecturer 1 8%
Student > Ph. D. Student 1 8%
Other 2 17%
Unknown 1 8%
Readers by discipline Count As %
Medicine and Dentistry 9 75%
Nursing and Health Professions 1 8%
Unknown 2 17%
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 14 January 2016.
All research outputs
#20,346,264
of 22,893,031 outputs
Outputs from Ophthalmic Research
#504
of 611 outputs
Outputs of similar age
#332,408
of 395,857 outputs
Outputs of similar age from Ophthalmic Research
#5
of 17 outputs
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So far Altmetric has tracked 611 research outputs from this source. They receive a mean Attention Score of 3.1. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 17 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.