Interleukin-12 encoded by the oncolytic virus VSV-GP enhances therapeutic antitumor efficacy by inducing CD8+ T-cell responses with a long-lived effector cell phenotype

Background
Vesicular stomatitis virus (VSV) pseudotyped with the glycoprotein (GP) of the lymphocytic choriomeningitis virus (VSV-GP) represents a potent oncolytic virus (OV). Oncolytic virotherapy is an emerging anticancer approach that uses viruses …

Biomineralized engineered Lactococcus lactis-based in situ vaccination enhances antitumor immunity via sequential activation of chemo-immunotherapy

Background
Combining chemotherapy with immunotherapy is a promising strategy to enhance in situ immunity by increasing antigen exposure and inflammation in the tumor microenvironment (TME). However, the inconvenience of separate administration and the…

Universal off-the-shelf combination immunotherapy using oncolytic viruses to redirect T cell engagers to target solid tumors

Background
Bispecific T cell engager (BiTE), such as blinatumomab, has demonstrated significant clinical success in treating hematological malignancies like B cell acute lymphoblastic leukemia and non-Hodgkin’s lymphoma. However, the application of Bi…

Phase 1b/2 study evaluating safety, efficacy and immune effects of TLR9 agonist cavrotolimod with anti-PD-1 antibodies among patients with advanced solid tumors

Background
There is an unmet need for novel immunotherapies to overcome immune evasion in patients with advanced skin cancers resistant to programmed death (PD)-1 / PD-ligand 1 (PD-L1) blockade. Cavrotolimod is a novel spherical nucleic acid configura…

hCCL19-expressing recombinant Newcastle disease virus boosts CAR T cell infiltration and efficacy in solid tumor

Background
Chimeric antigen receptor (CAR) T cell therapy has revolutionized the treatment of hematological malignancies; however, it faces significant challenges in treating solid tumors, including limited immune infiltration into tumor tissues and i…

Specific inhibitor to KRASG12C induces tumor-specific immunity and synergizes with oncolytic virus for enhanced cancer immunotherapy

Background
Oncolytic virus (OV)-mediated immunotherapy has been shown limited efficacy. Small molecule inhibitors specific to the KRASG12C driver oncoprotein have recently been developed for cancer treatment. The combination of a potent OV with a KRAS…

Gnostic and agnostic immunotherapy by tropism-retargeted herpes simplex virus without direct tumor treatment

Background
Cancer immunotherapy includes vaccines generated through distinct approaches, each with advantages and limitations. Those made of autologous or allogeneic whole cells do not require prior identification of antigens, that is, immunize agains…

Oncolytic adenovirus serotype 35 mediated tumor growth suppression via efficient activation of antitumor immunity

Background
Oncolytic adenoviruses (OAds) mediate superior antitumor effects both by inducing direct oncolysis and activating antitumor immunity. Previously, we developed a novel OAd fully composed of human adenovirus serotype 35 (OAd35). OAd35 efficie…

Oncolytic HSV-IL27 expression improves CD8 T cell function and therapeutic activity in syngeneic glioma models

Background
Malignant gliomas (MGs) are the most common primary brain malignancies and are considered universally fatal. Oncolytic herpes simplex viruses (oHSVs) are promising immunotherapeutics capable of selectively lysing cancer cells, eliciting ant…

Novel fusion superkine, IL-24S/IL-15, enhances immunotherapy of brain cancer

Background
Glioblastoma (GBM) is a rapidly growing, aggressive brain tumor with very poor prognosis without currently effective therapies. The immunosuppressive nature of the tumor microenvironment (TME) in GBM hinders the development of effective tum…

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