Abcam, ab9960, Recombinant human TRAIL protein

Size: 50µg
Recombinant human TRAIL protein is a Human Full Length protein, in the 114 to 281 aa range, expressed in Escherichia coli, with >98%, suitable for SDS-PAGE, FuncS.
Key facts
Purity:>98% SDS-PAGE,
Expression system:Escherichia coli,
Tags:Tag free,
Applications:FuncS, SDS-PAGESee reactivity dataSee the reactivity data table below for information on validated species and application combinations.,
Biologically active:Yes,
Biological activity:Assay1:Determined by its ability to induce apoptotic cell death in TRAIL-sensitive U343MG cells. The expected ED50 for this effect is 1.0-3.0 ng/ml.Assay2:Measured by its ability to induce apoptosis in LN-18 cells (human glioblastoma cells). The expected ED50 for this effect is 0.8 - 2.0 ng/ml.,
Accession:P50591,
Animal free:No,
Carrier free:No,
Species:Human,
Reconstitution:reconstitute with water at 100µL

Product details:
The ED50 was determined by its ability to induce apoptotic cell death in TRAIL-sensitive U343MG cells. The expected ED50 for this effect is 1.0-3.0 ng/ml.

Properties and Storage Information:
Shipped at conditions-Blue Ice, Appropriate short-term storage duration-1-2 weeks, Appropriate short-term storage conditions-+4°C, Appropriate long-term storage conditions--20°C, Aliquoting information-Upon delivery aliquot, Storage information-Avoid freeze / thaw cycle

Supplementary Information:
This supplementary information is collated from multiple sources and compiled automatically.
TRAIL also known as TNF-related apoptosis-inducing ligand plays an important role in inducing apoptosis. This protein has a mass of around 32 kDa and is expressed across various tissues including immune cells. TRAIL interacts with specific receptors on the cell surface to initiate a signaling cascade that results in programmed cell death. It is an attractive therapeutic target because of its selective ability to induce apoptosis in cancer cells while sparing most normal cells.
Biological function summary
TRAIL's function extends beyond inducing cell death. It is an important member of the tumor necrosis factor (TNF) superfamily which regulates immune responses and inflammation. TRAIL can form a homotrimeric complex allowing it to bind effectively to death receptors on target cells specifically DR4 and DR5 triggering a series of downstream signaling events. This interaction is significant in modulating immune surveillance and tumor suppression.
Pathways
TRAIL is integral to both intrinsic and extrinsic apoptosis pathways. Through these pathways TRAIL is closely related to FADD and caspase-8 which are important for apoptosis induction. The extrinsic pathway involves binding to TRAIL death receptors leading to DISC formation while the intrinsic pathway involves mitochondrial events mediated by members of the Bcl-2 protein family.
TRAIL has a significant connection with cancer and autoimmune diseases. TRAIL plays a dual role in cancer where it acts as a tumor suppressor but can also promote tumor progression if cancer cells become resistant to its effects. In cancer TRAIL’s interaction with proteins like FLIP can alter the apoptotic potential of the cells. In autoimmune diseases TRAIL's dysregulation can contribute to tissue damage due to increased immune activity highlighting its complex role in maintaining immune balance.