Natural killer cells Notes: Definitions & Explanations PDF | Download eBooks
Study Natural killer cells lecture notes PDF with biology definitions and explanation to study What are Natural killer cells?. Study natural killer cells explanation with biology terms to review biology course for online degree programs.
Natural killer cells Definition:
Natural killer cells circulate through the body and detect the abnormal array of surface proteins characteristic of some virus-infected and cancerous cells.
Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson
Natural killer cells Notes:
Natural killer cells, also abbreviated to NK cells, are a type of cytotoxic lymphocyte that are important to the innate immune system. The role NK cells play is similar to that of cytotoxic T cells in the vertebrate adaptive immune response. NK cells provide quick responses to virus-infected cells, acting at around 3 days after infection, and respond to tumor formation. Nk cells have the ability to recognize stressed cells in the absence of antibodies and MHC, allowing for a much faster immune reaction Natural killer cells do not engulf stricken cells. Instead, they release chemicals that lead to cell death, inhibiting further spread of the virus or cancer.
Keep Learning with Biology Notes
What is Stroma?
The stroma refers to the colorless fluid surrounding the grana within the chloroplast. Within the stroma are grana, stacks of ...
What is Translation?
Translation is the process in which ribosomes in the cytoplasm or ER synthesize proteins after the process of transcription of ...
What is Symplastic route?
The symplast of a plant is the inner side of the plasma membrane in which water and low-molecular-weight solutes can ...
What is Indeterminate growth?
Indeterminate growth is growth that is not terminated in contrast to determinate growth that stops once a genetically pre-determined structure ...
What is Latency?
latent viruses do not trigger an adaptive immune response everince production of most viral proteins and free viruses ceases. Nevertheless, ...
What is Chromosomal deletion?
Chromosomal deletion refers to a mishap in which a part of a chromosome or a sequence of DNA is lost ...
