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Gene expression is stable in a complete CIB1 knockout keratinocyte model

Lookup NU author(s): Dr Magomet AushevORCiD, Dr Bettina Burger

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This work is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0).

Abstract

Epidermodysplasia verruciformis (EV) is a genodermatosis characterized by the inability of keratinocytes to control cutaneous β-HPV infection and a high risk for non-melanoma skin cancer (NMSC). Bi-allelic loss of function variants in TMC6, TMC8, and CIB1predispose to EV. The correlation between these proteins and β-HPV infection is unclear. Its elucidation will advance the understanding of HPV control in human keratinocytes and development of NMSC. We generated a cell culture model by CRISPR/Cas9-mediated deletion of CIB1 to study the function of CIB1 in keratinocytes. Nine CIB1 knockout and nine mock control clones were generated originating from a human keratinocyte line. We observed small changes in gene expression as a result of CIB1 knockout, which is consistent with the clearly defined phenotype of EV patients. This suggests that the function of human CIB1 in keratinocytes is limited and involves the restriction of β-HPV. The presented model is useful to investigate CIB1 interaction with β-HPV in future studies.

Publication metadata

Author(s): Imahorn E, Aushev M, Herms S, Hoffmann P, Cichon S, Reichelt J, Itin PH, Burger B

Publication type: Article

Publication status: Published

Journal: Scientific Reports

Year: 2020

Volume: 10

Issue: 1

Online publication date: 11/09/2020

Acceptance date: 13/08/2020

Date deposited: 26/10/2020

ISSN (electronic): 2045-2322

Publisher: Nature Research

URL: https://doi.org/10.1038/s41598-020-71889-9

DOI: 10.1038/s41598-020-71889-9

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