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Extrinsic Apoptosis Pathway

As a surface receptor, for example, TNF receptor-1 (TNF-R1), it will interact with TNF to induce the recruitment of adaptor proteins such as Fas-associated protein with death domain (FADD) and Tumor necrosis factor receptor type 1-associated DEATH domain protein (TRADD), which recruits a series of downstream factors, including Caspase-8, which is a critical mediator of the extrinsic pathway, resulting eventually in cell apoptosis.

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Extrinsic Apoptosis Pathway

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  1. Extrinsic Apoptosis Pathway In molecular biology, the words extrinsic pathway may refer to both the extrinsic pathway of apoptosis and the extrinsic pathway of blood coagulation. Here we mainly talk about the first kind of extrinsic pathway which is extrinsic apoptosis pathway. Extrinsic apoptosis pathway is one of the signal pathways which may trigger the process of programmed cell death namely cell apoptosis. Apoptosis is known as a physiological process of cell deletion and is also a process of programmed cell death, resulting in morphological change and DNA fragmentation. It is stimulated by external or internal events of cells, one of which is the extrinsic pathway mediated by the death receptor. The death receptors include Fas receptors, tumor necrosis factor (TNF) receptors, and TNF-related apoptosis-inducing ligand (TRAIL) receptors. As a surface receptor, for example, TNF receptor-1 (TNF-R1), it will interact with TNF to induce the recruitment of adaptor proteins such as Fas-associated protein with death domain (FADD) and Tumor necrosis factor receptor type 1-associated DEATH domain protein (TRADD), which recruits a series of downstream factors, including Caspase-8, which is a critical mediator of the extrinsic pathway, resulting eventually in cell apoptosis. Find more: https://www.creative-diagnostics.com/extrinsic-apoptosis-pathway.htm

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