Related Experiment Video
Updated: Apr 25, 2026

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes
Published on: March 24, 2015
Interferons: Success in anti-viral immunotherapy
Fan-ching Lin1, Howard A Young1
1Laboratory of Experimental Immunology, Cancer and Inflammation Program, Center for Cancer, Research, National Cancer Institute, Frederick, MD 21702, USA.
Interferons (IFNs) are crucial antiviral glycoproteins. While effective for chronic infections like Hepatitis C and B, their potent immune modulation can cause side effects, necessitating careful patient monitoring.
Area of Science:
- Immunology
- Virology
- Pharmacology
Background:
- Interferons (IFNs) are key glycoproteins in host defense against viral pathogens.
- IFNs are classified into Type I, II, and III based on cell surface receptor structures.
- Their immune-modulating properties make them valuable for treating chronic viral infections.
Purpose of the Study:
- To review the therapeutic applications of interferons in managing chronic viral infections.
- To highlight the efficacy and limitations of Type I and Type III IFNs in treating Hepatitis B and C.
- To emphasize the need for cautious use and monitoring of IFN therapy due to potential side effects.
Main Methods:
- Literature review of studies on interferon classification, antiviral activity, and therapeutic use.
- Analysis of clinical trial data for Type I and Type III IFNs in Hepatitis B and C treatment.
- Synthesis of information on the immunomodulatory effects and adverse events associated with IFNs.
Main Results:
- Type I IFNs are standard care for Hepatitis C (HCV) and Hepatitis B (HBV).
- Type III IFN shows promise in Phase III trials for HCV treatment.
- IFN therapy, while effective, can lead to significant, systemic side effects in patients.
Conclusions:
- Interferons are potent antiviral agents with established roles in treating chronic viral infections.
- Careful patient monitoring is essential to manage side effects and ensure treatment efficacy.
- Balancing the benefits of viral suppression with the risks of adverse events is critical for successful IFN therapy.
Related Concept Videos
Inhibitors of Viral Protein Synthesis
Tumor Immunotherapy
Immune Response Against Viral Pathogens
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
siRNA - Small Interfering RNAs
In the cytoplasm, siRNA is processed from a double-stranded RNA, which comes from either endogenous DNA transcription or exogenous sources like a virus. This double-stranded RNA is then cleaved by the...
Antimicrobial Proteins
Interferons
Interferons (IFNs) are proteins produced by lymphocytes, macrophages, and fibroblasts infected with viruses. While IFNs cannot prevent viruses from entering and...
Immunodeficiency Diseases
There are three main causes of immunodeficiency...

