Frequently Asked Questions

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From Wikipedia,  In biology, chimeric antigen receptors (CARs)—also known as chimeric immunoreceptors, chimeric T cell receptors or artificial T cell receptors—are receptor proteins that have been engineered to give T cells the new ability to target a specific antigen. The receptors are chimeric in that they combine both antigen-binding and T cell activating functions into a single receptor. Biotechnology is the use of living systems and organisms to develop or make useful products.

From Wikipedia. 

NKG2D ligands are induced-self proteins which are completely absent or present only at low levels on surface of normal cells, but they are overexpressed by infected, transformed, senescent and stressed cells. Their expression is regulated at different stages (transcription, mRNA and protein stabilization, cleavage from the cell surface) by various stress pathways.[14] Among them, one of the most prominent stress pathways is DNA damage response. Genotoxic stress, stalled DNA replication, poorly regulated cell proliferation in tumorigenesis, viral replication or some viral products activate the ATM and ATR kinases. These kinases initiate the DNA damage response pathway which participates in NKG2D ligand upregulation. DNA damage response thus participate in alerting the immune system to the presence of potentially dangerous cells.[15]

All NKG2D ligands are homologous to MHC class I molecules and are divided into two families: MIC and RAET1/ULBP.

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