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. 2021 Mar 10;13(3):449. doi: 10.3390/v13030449

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Expression of HERV-K Gag protein in cancerous regions of prostate tissue sections. HERV-K Gag protein was detected in sections of matched malignant and benign regions of formalin-fixed paraffin-embedded prostate biopsy tissue from 18 males with prostate cancer by immunohistochemistry. Immunohistochemical images from benign prostate tissue (A) or malignant prostatic adenocarcinoma (B) regions of the prostate showing negative and positive staining for HERV-K Gag protein from one representative individual are shown.