» Articles » PMID: 32152425

Replicative Conditioning of Herpes Simplex Type 1 Virus by Survivin Promoter, Combined to ERBB2 Retargeting, Improves Tumour Cell-restricted Oncolysis

Overview
Journal Sci Rep
Specialty Science
Date 2020 Mar 11
PMID 32152425
Citations 19
Authors
Affiliations
Soon will be listed here.
Abstract

Oncolytic virotherapy is emerging as a promising therapeutic option for solid tumours. Several oncolytic vectors in clinical testing are based on attenuated viruses; thus, efforts are being taken to develop a new repertoire of oncolytic viruses, based on virulent viral genomes. This possibility, however, raises concerns dealing with the safety features of the virulent phenotypes. We generated a double regulated Herpes simplex type-1 virus (HSV-1), in which tumour cell restricted replicative potential was combined to selective entry via ERBB2 receptor retargeting. The transcriptional control of the viral alpha4 gene encoding for the infected cell protein-4 (ICP4) by the cellular Survivin/BIRC5 promoter conferred a tumour cell-restricted replicative potential to a virulent HSV-1 genome. The combination of the additional ERBB2 retargeting further improved the selectivity for tumour cells, conferring to the double regulated virus a very limited ability to infect and propagate in non-cancerous cells. Accordingly, a suitable replicative and cytotoxic potential was maintained in tumour cell lines, allowing the double regulated virus to synergize in vivo with immune checkpoint (anti-PD-1) blockade in immunocompetent mice. Thus, restricting the replicative spectrum and tropism of virulent HSV-1 genomes by combination of conditional replication and retargeting provides an improved safety, does not alter the oncolytic strength, and is exploitable for its therapeutic potential with immune checkpoint blockade in cancer.

Citing Articles

Integrating system biology and intratumor gene therapy by trans-complementing the appropriate co-stimulatory molecule as payload in oncolytic herpes virus.

Finizio A, Pagano P, Napolano A, Froechlich G, Infante L, De Chiara A Cancer Gene Ther. 2024; 31(9):1335-1343.

PMID: 38839891 PMC: 11405262. DOI: 10.1038/s41417-024-00790-8.


Prime and pull of T cell responses against cancer-exogenous antigens is effective against CPI-resistant tumors.

Troise F, Leoni G, Sasso E, Del Sorbo M, Esposito M, Romano G Mol Ther Oncol. 2024; 32(1):200760.

PMID: 38596303 PMC: 10869775. DOI: 10.1016/j.omton.2024.200760.


Development of a novel, high-efficacy oncolytic herpes simplex virus type 1 platform equipped with two distinct retargeting modalities.

Joo H, Baek H, Ahn C, Park E, Lee Y, Lee S Mol Ther Oncol. 2024; 32(1):200778.

PMID: 38596302 PMC: 10941007. DOI: 10.1016/j.omton.2024.200778.


The common H232 STING allele shows impaired activities in DNA sensing, susceptibility to viral infection, and in monocyte cell function, while the HAQ variant possesses wild-type properties.

Froechlich G, Finizio A, Napolano A, Amiranda S, De Chiara A, Pagano P Sci Rep. 2023; 13(1):19541.

PMID: 37945588 PMC: 10636114. DOI: 10.1038/s41598-023-46830-5.


Systems Biology Approaches for the Improvement of Oncolytic Virus-Based Immunotherapies.

Tripodi L, Sasso E, Feola S, Coluccino L, Vitale M, Leoni G Cancers (Basel). 2023; 15(4).

PMID: 36831638 PMC: 9954314. DOI: 10.3390/cancers15041297.


References
1.
Jhawar S, Thandoni A, Bommareddy P, Hassan S, Kohlhapp F, Goyal S . Oncolytic Viruses-Natural and Genetically Engineered Cancer Immunotherapies. Front Oncol. 2017; 7:202. PMC: 5600978. DOI: 10.3389/fonc.2017.00202. View

2.
van Vloten J, Workenhe S, Wootton S, Mossman K, Bridle B . Critical Interactions between Immunogenic Cancer Cell Death, Oncolytic Viruses, and the Immune System Define the Rational Design of Combination Immunotherapies. J Immunol. 2018; 200(2):450-458. DOI: 10.4049/jimmunol.1701021. View

3.
Takasu A, Masui A, Hamada M, Imai T, Iwai S, Yura Y . Immunogenic cell death by oncolytic herpes simplex virus type 1 in squamous cell carcinoma cells. Cancer Gene Ther. 2016; 23(4):107-13. DOI: 10.1038/cgt.2016.8. View

4.
Bommareddy P, Zloza A, Rabkin S, Kaufman H . Oncolytic virus immunotherapy induces immunogenic cell death and overcomes STING deficiency in melanoma. Oncoimmunology. 2019; 8(7):1591875. PMC: 6527276. DOI: 10.1080/2162402X.2019.1591875. View

5.
Hermiston T, Kuhn I . Armed therapeutic viruses: strategies and challenges to arming oncolytic viruses with therapeutic genes. Cancer Gene Ther. 2003; 9(12):1022-35. DOI: 10.1038/sj.cgt.7700542. View