killer cell (Meaning)
killer cell (n)
T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it
Synonyms & Antonyms of killer cell
No Synonyms and anytonyms found
killer cell Sentence Examples
- Killer cells, also known as natural killer cells, are a type of cytotoxic lymphocyte that plays a crucial role in the innate immune system.
- Killer cells are responsible for recognizing and eliminating infected or cancerous cells in the body.
- Unlike other immune cells, killer cells do not require prior sensitization to attack foreign or abnormal cells.
- Killer cells are activated by various mechanisms, including the binding of activating ligands to specific receptors on their surface.
- Once activated, killer cells release cytotoxic molecules, such as perforin and granzymes, which induce apoptosis or programmed cell death in target cells.
- Killer cells also produce pro-inflammatory cytokines, like interferon-gamma, which enhance the immune response and promote the recruitment of other immune cells to the site of infection or tissue damage.
- Killer cells are particularly important in controlling viral infections, as they can recognize and eliminate virus-infected cells before a full-blown adaptive immune response is mounted.
- Killer cells are also involved in tumor surveillance, where they play a role in eliminating cancer cells and preventing tumor growth.
- Defects in killer cell function can lead to increased susceptibility to infections and cancer development.
- Scientists are currently exploring ways to enhance killer cell activity for the treatment of cancer and viral infections.
FAQs About the word killer cell
T cell with CD8 receptor that recognizes antigens on the surface of a virus-infected cell and binds to the infected cell and kill it
No synonyms found.
No antonyms found.
Killer cells, also known as natural killer cells, are a type of cytotoxic lymphocyte that plays a crucial role in the innate immune system.
Killer cells are responsible for recognizing and eliminating infected or cancerous cells in the body.
Unlike other immune cells, killer cells do not require prior sensitization to attack foreign or abnormal cells.
Killer cells are activated by various mechanisms, including the binding of activating ligands to specific receptors on their surface.
