USP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells

In this study, we discovered that two human oral squamous carcinoma cell (OSCC) lines, SCC9 and SCC25, exhibited varied levels of permissivity to oncolytic HSV-1 T1012G replication and the differential virus yields may associate with the constitutive accumulation of two deubiquitinating enzymes USP1...

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Autores principales: Ruitao Lu, Guangxian Wu, Meiling Chen, Dongmei Ji, Yonghong Liu, Grace Guoying Zhou, Wenmin Fu
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Lenguaje:EN
Publicado: Elsevier 2021
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spelling oai:doaj.org-article:3aafbc82ac604ea893bee3c686a65e452021-11-26T04:35:15ZUSP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells2372-770510.1016/j.omto.2021.11.004https://doaj.org/article/3aafbc82ac604ea893bee3c686a65e452021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2372770521001534https://doaj.org/toc/2372-7705In this study, we discovered that two human oral squamous carcinoma cell (OSCC) lines, SCC9 and SCC25, exhibited varied levels of permissivity to oncolytic HSV-1 T1012G replication and the differential virus yields may associate with the constitutive accumulation of two deubiquitinating enzymes USP18 and USP20 in tumor cells. USP18 and USP20 belong to the ubiquitin-specific protease family, mediating the deubiquitination of targets and promoting antiviral responses. Depletion of USP18 or USP20 in SCC9 cells increased T1012G virus yields; overexpression of USP18 or USP20 in SCC25 cells down-regulated T1012G virus replication. In addition, STING as a verified substrate of USP18 and USP20, was found to affect the virus multiplication of T1012G in SCC9 cells. STING knockdown led to an increase in T1012G virus yields in SCC9 cells. Besides, we introduced a deubiquitinating enzyme inhibitor GSK2643943A targeting USP20 and evaluated its effects on viral replication and tumor killing in vitro and in vivo. The results showed that the combination of GSK2643934A and T1012G treatment brought a profound anti-tumor efficacy in mice bearing SCC9 tumors. This report explored factors that play roles in mediating oHSV-1 replication in OSCC tumor cells, facilitating to offer potential targets to improve oHSV-1 oncolytic efficacy and develop candidates of biomarkers to predict the efficiency of oHSV-1 multiplication in tumors.Ruitao LuGuangxian WuMeiling ChenDongmei JiYonghong LiuGrace Guoying ZhouWenmin FuElsevierarticleoncolytic HSV-1deubiquitinating enzymesUSP18 and USP20STINGviral replicationNeoplasms. Tumors. Oncology. Including cancer and carcinogensRC254-282ENMolecular Therapy: Oncolytics, Vol 23, Iss , Pp 477-487 (2021)
institution DOAJ
collection DOAJ
language EN
topic oncolytic HSV-1
deubiquitinating enzymes
USP18 and USP20
STING
viral replication
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
spellingShingle oncolytic HSV-1
deubiquitinating enzymes
USP18 and USP20
STING
viral replication
Neoplasms. Tumors. Oncology. Including cancer and carcinogens
RC254-282
Ruitao Lu
Guangxian Wu
Meiling Chen
Dongmei Ji
Yonghong Liu
Grace Guoying Zhou
Wenmin Fu
USP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells
description In this study, we discovered that two human oral squamous carcinoma cell (OSCC) lines, SCC9 and SCC25, exhibited varied levels of permissivity to oncolytic HSV-1 T1012G replication and the differential virus yields may associate with the constitutive accumulation of two deubiquitinating enzymes USP18 and USP20 in tumor cells. USP18 and USP20 belong to the ubiquitin-specific protease family, mediating the deubiquitination of targets and promoting antiviral responses. Depletion of USP18 or USP20 in SCC9 cells increased T1012G virus yields; overexpression of USP18 or USP20 in SCC25 cells down-regulated T1012G virus replication. In addition, STING as a verified substrate of USP18 and USP20, was found to affect the virus multiplication of T1012G in SCC9 cells. STING knockdown led to an increase in T1012G virus yields in SCC9 cells. Besides, we introduced a deubiquitinating enzyme inhibitor GSK2643943A targeting USP20 and evaluated its effects on viral replication and tumor killing in vitro and in vivo. The results showed that the combination of GSK2643934A and T1012G treatment brought a profound anti-tumor efficacy in mice bearing SCC9 tumors. This report explored factors that play roles in mediating oHSV-1 replication in OSCC tumor cells, facilitating to offer potential targets to improve oHSV-1 oncolytic efficacy and develop candidates of biomarkers to predict the efficiency of oHSV-1 multiplication in tumors.
format article
author Ruitao Lu
Guangxian Wu
Meiling Chen
Dongmei Ji
Yonghong Liu
Grace Guoying Zhou
Wenmin Fu
author_facet Ruitao Lu
Guangxian Wu
Meiling Chen
Dongmei Ji
Yonghong Liu
Grace Guoying Zhou
Wenmin Fu
author_sort Ruitao Lu
title USP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells
title_short USP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells
title_full USP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells
title_fullStr USP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells
title_full_unstemmed USP18 and USP20 restrict oHSV-1 replication in resistant human oral squamous carcinoma cell line SCC9 and affect the viability of SCC9 cells
title_sort usp18 and usp20 restrict ohsv-1 replication in resistant human oral squamous carcinoma cell line scc9 and affect the viability of scc9 cells
publisher Elsevier
publishDate 2021
url https://doaj.org/article/3aafbc82ac604ea893bee3c686a65e45
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