Cytotoxic T-cells are responsible for seeking out and destroying abnormal or infected cells.
T cells, also called T lymphocytes, are a type of white blood cell (white blood cell) that is an important part of the immune system.
T cells are one of the two main types of lymphocytes (B cells are her second type that determine the specificity of the immune response to antigens [foreign substances] in the body).
When T cells encounter recognizable APCs, naive cells receive the signal to mature. There are three types of signals: TCR, BCR, and cytokine signals. When a cell receives all three signals, it matures into an effector cell. When a cell receives only one of the signals (TCR or BCR), it becomes unusable.
Cytotoxic T cells, also known as CD8+ cells, have the primary job of killing toxic/target cells. Once detected, their purpose is to eliminate virus-infected cells, bacteria, and tumour fragments (such as cancer cells) through a process called apoptosis.
Apoptosis occurs when a cell's internal organelles are destroyed, causing the cell to die from the inside.
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