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Immortal Cell Line

An established cell line that has acquired the ability to proliferate indefinitely through either random mutation or deliberate modification.

Immunotherapy

Modulation of the immune system to achieve a therapeutic goal. Monoclonal antibodies are a type of immunotherapy.

In vitro

The technique of performing an experiment outside of a living organism, in a controlled environment such as in a cell culture or in cells grown in a petri dish.

Interferon

A naturally occurring cell-signaling protein produced by the immune system in response to infections such as viral infections or parasites.

Intracellular Proteins

Proteins found inside a cell.

Investigational New Drug

A drug that has been approved by the FDA for use in human clinical trials.

Ion Channels

Pore-forming proteins that help establish and control the small voltage gradient across the plasma membrane of all living cells. Ion channels are involved in a wide variety of biological processes and are a favorite target in the search for new drugs.