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Oncolytic viruses (OVs) do more than simply infect and kill host cells. The accepted mechanism of action for OVs consists of a primary lytic phase and a subsequent antitumor and antiviral immune response. However, not all cells are subject to the direct effects of OV therapy, and it is becoming clear that OVs can also impact uninfected cells in the periphery. This review discusses the effects of OVs on uninfected neighboring cells, so-called bystander effects, and implications for OV therapies alone or in combination with other standard of care chemotherapy.
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http://dx.doi.org/10.2217/fvl-2018-0068 | DOI Listing |
Biomaterials
September 2025
Institute of Breast Health Medicine, State Key Laboratory of Biotherapy, West China Hospital, Sichuan University and Collaborative Innovation Center, Chengdu, Sichuan, 610041, PR China. Electronic address:
Host immune elimination largely limits the application of oncolytic viruses in clinics. Here, we rationally design a bioactive platelet-based oncolytic adenovirus delivery system. Upon loading adenoviruses, platelets are transformed to a pro-endocytosis status, which facilitates their internalization by circulating tumor cells (CTCs).
View Article and Find Full Text PDFJ Clin Pharmacol
September 2025
Clinical Pharmacology, Modeling and Simulation, Amgen Inc., South San Francisco, CA, USA.
Oncolytic viruses are an emerging class of immunotherapies for cancer treatment. Talimogene laherparepvec (T-VEC) is a first-in-class oncolytic virus approved globally for advanced melanoma. Herein, we describe the quantitative clinical pharmacology aspects of T-VEC that supported the development of this unique therapy.
View Article and Find Full Text PDFBiology (Basel)
August 2025
Department of Patomorphology, Poznan University of Medical Sciences, 61-701 Poznan, Poland.
Chimeric antigen receptor (CAR)-T-cell therapy has revolutionised haematological cancer treatment. However, its application in solid tumours remains significantly limited by the immunosuppressive tumour microenvironment (TME), poor antigen specificity, and physical barriers to infiltration. This review explores a compelling question: can CAR-T cells be adapted to overcome immunosuppression in solid tumours effectively? We provide an in-depth analysis of the immunological, metabolic, and structural challenges posed by the TME and critically evaluate emerging engineering strategies designed to enhance CAR-T cells' persistence, targeting, and function.
View Article and Find Full Text PDFFront Immunol
September 2025
Department of Urology, the First Affiliated Hospital of Harbin Medical University, HeiLongJiang Harbin, China.
Bladder cancer remains a significant global health challenge, particularly affecting male populations. While radical cystectomy and chemotherapy have been mainstays of treatment, their substantial morbidity and impact on quality of life have driven the development of bladder-preserving immunotherapeutic strategies. Clinical trial data support the use of ICIs as first-line therapy for cisplatin-ineligible patients, second-line treatment for platinum-refractory disease, and maintenance therapy.
View Article and Find Full Text PDFBiomed Pharmacother
September 2025
Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China. Electronic address:
Various viruses are widely recognized as key contributors to the development of numerous hematological malignancies and solid tumors. It is estimated that virus-associated cancers account for approximately 1.5 million new cases globally each year.
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