Proteomic profiles and cytokeratin 13 as a potential biomarker of Ovis aries papillomavirus 3-positive and negative cutaneous squamous cell carcinomas

Vitiello, V.; Burrai, G.P.; Pisanu, S.; Cacciotto, C.; Addis, M.F.; Alberti, A.; Antuofermo, E.; Cubeddu, T.; Pirino, S.

doi:10.1016/j.rvsc.2020.12.008

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Ovis aries papillomavirus 3 (OaPV3) is an epidermotropic PV reported in sheep cutaneous squamous cell carcinoma (SCC). The presence of OaPV3 DNA and its transcriptional activity in cutaneous SCC, as well as its in vitro transforming properties, suggest a viral etiology for this neoplasm. Nevertheless, the reactome associated with viral-host interaction is still unexplored. Here, we investigated and compared the proteomic profiles of OaPV3-positive SCCs, OaPV3-negative SCCs, and non-SCC samples by liquid chromatography tandem-mass spectrometry (LC-MS/MS) analysis, bioinformatics tools, and immunohistochemistry (IHC). OaPV3-positive SCCs (n = 3), OaPV3-negative SCCs (n = 3), and non-SCCs samples (n = 3) were subjected to a shotgun proteomic analysis workflow to assess protein abundance differences among the three sample classes. Proteins involved in epithelial cell differentiation, extracellular matrix organization, and apoptotic signaling showed different abundances in OaPV3-positive SCCs tissues (P ≤ 0.05) when compared to the other tissues. Cytokeratin 13 (CK 13) was among the most increased proteins in OaPV3-positive SCC and was validated by immunohistochemistry on 10 samples per class, confirming its potential as a biomarker of OaPV3 infection in SCC. Collectively, results provide a preliminary insight into the reactome associated with viral-host interaction and pave the way to the development of specific biomarkers for viral-induced sheep SCC.

Proteomic profiles and cytokeratin 13 as a potential biomarker of Ovis aries papillomavirus 3-positive and negative cutaneous squamous cell carcinomas / V. Vitiello, G.P. Burrai, S. Pisanu, C. Cacciotto, M.F. Addis, A. Alberti, E. Antuofermo, T. Cubeddu, S. Pirino. - In: RESEARCH IN VETERINARY SCIENCE. - ISSN 0034-5288. - 134(2021 Jan), pp. 112-119.

Titolo:	Proteomic profiles and cytokeratin 13 as a potential biomarker of Ovis aries papillomavirus 3-positive and negative cutaneous squamous cell carcinomas
Autori:	Vitiello, Veronica Burrai, Giovanni P. Pisanu, Salvatore Cacciotto, Carla ADDIS, MARIA FILIPPA Alberti, Alberto Antuofermo, Elisabetta Cubeddu, Tiziana Pirino, Salvatore mostra contributor esterni nascondi contributor esterni
Parole Chiave:	Cytokeratin 13; Papillomavirus; Reactome; Sheep; Squamous cell carcinoma
Settore Scientifico Disciplinare:	Settore VET/05 - Malattie Infettive degli Animali Domestici Settore VET/03 - Patologia Generale e Anatomia Patologica Veterinaria
Data di pubblicazione:	gen-2021
Rivista:	RESEARCH IN VETERINARY SCIENCE
Tipologia:	Article (author)
Digital Object Identifier (DOI):	http://dx.doi.org/10.1016/j.rvsc.2020.12.008
Appare nelle tipologie:	01 - Articolo su periodico

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