Role of Interferons in the Innate Immune Response to Viral Infections and Their Therapeutic Potential

Interferons

Group of proteins that virus-infected cells produce to help other cells resist viral infection. Inhibit the synthesis of viral proteins in infected cells and help block viral replication

Interferons (IFNs) are a group of proteins that play an important role in the innate immune response to viral infections. They are produced by infected cells and work to inhibit viral replication, promote apoptosis, and activate immune cells such as natural killer cells and macrophages.

There are three main types of interferons:

1. Type I interferons (IFN-alpha and IFN-beta) are produced in response to viral infections and act to inhibit virus replication in infected cells while also signaling neighboring cells to prepare for a potential infection.

2. Type II interferon (IFN-gamma) is produced by activated T cells and natural killer cells and plays a role in activating macrophages to destroy infected cells.

3. Type III interferons (IFN-lambda) are similar in function to type I interferons and are produced by epithelial cells and fibroblasts in response to viral infections.

Interferons have been used therapeutically to treat viral infections such as hepatitis B and C, as well as certain types of cancers. However, they can also cause side effects such as flu-like symptoms and fatigue. Overall, interferons play an important role in the innate immune response to viral infections and continue to be an area of active research.

More Answers:

Unlocking the Role of Humoral Immunity in Fighting Infections and Developing Vaccination Strategies
Antigens and Their Role in Immune Responses and Vaccines
Immune Response: How the Body Fights Infections and Abnormal Cells

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