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Related Concept Videos

Tumor Immunotherapy01:27

Tumor Immunotherapy

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Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
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Cancer Vaccines01:30

Cancer Vaccines

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Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
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Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

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Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
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Cytotoxic T Cells-mediated Immune Response01:27

Cytotoxic T Cells-mediated Immune Response

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Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
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Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

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The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
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Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency...
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Related Experiment Video

Updated: Mar 24, 2026

Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo
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Paramyxoviruses for Tumor-targeted Immunomodulation: Design and Evaluation Ex Vivo

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Release the hounds: virotherapy with immunotherapy.

Tapan M Kadia1

  • 1MD ANDERSON CANCER CENTER.

Blood
|March 19, 2016
PubMed
Summary

Vesicular stomatitis virus (VSV)-murine interferon beta (IFNβ)-sodium iodide symporter (NIS) oncolytic virus shows strong anti-leukemia effects. Combining this virus with an anti-programmed death-ligand 1 (PD-L1) antibody further boosts its cancer-fighting capabilities.

Area of Science:

  • Oncolytic virotherapy
  • Immunotherapy
  • Leukemia research

Background:

  • Leukemia remains a significant health challenge.
  • Oncolytic viruses are emerging as a promising therapeutic strategy.
  • Targeting immune checkpoints like PD-L1 can enhance anti-cancer immunity.

Purpose of the Study:

  • To evaluate the antileukemia activity of the VSV-mIFNβ-NIS oncolytic virus.
  • To investigate the synergistic effect of combining VSV-mIFNβ-NIS with anti-PD-L1 therapy.

Main Methods:

  • Utilized a novel oncolytic virus: VSV-mIFNβ-NIS.
  • Administered the virus to leukemia models.
  • Combined viral therapy with anti-PD-L1 antibody treatment.

Main Results:

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Simultaneous Quantification of Anti-vector and Anti-transgene-Specific CD8+ T Cells Via MHC I Tetramer Staining After Vaccination with a Viral Vector
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  • VSV-mIFNβ-NIS demonstrated significant antileukemia activity.
  • Combination therapy with anti-PD-L1 antibody resulted in enhanced therapeutic effects.
  • The combined approach showed improved tumor control compared to monotherapy.

Conclusions:

  • VSV-mIFNβ-NIS is a potent oncolytic virus with direct antileukemia effects.
  • Combining VSV-mIFNβ-NIS with anti-PD-L1 therapy offers a promising strategy for enhanced leukemia treatment.
  • This combination approach warrants further clinical investigation for leukemia patients.