2014
DOI: 10.1074/jbc.m114.559468
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Dominant Negative Effects of Tumor Necrosis Factor (TNF)-related Apoptosis-inducing Ligand (TRAIL) Receptor 4 on TRAIL Receptor 1 Signaling by Formation of Heteromeric Complexes

Abstract: Background:The mechanisms through which TRAILR4 interferes with proapoptotic signaling are not conclusively elucidated. Results: TRAILR4 forms ligand-independent heterodimers with TRAIL death receptors, thereby inhibiting both pro-and anti-apoptotic signaling. Conclusion: TRAILR4 exerts a dominant negative effect on TRAILR1 through the PLAD-mediated formation of mixed receptor complexes. Significance: Understanding the mechanism of TRAILR4-mediated apoptosis-inhibition can be advantageous for the development o… Show more

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Cited by 43 publications
(41 citation statements)
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“…In agreement with the regulation by O ‐ or N ‐glycosylated death receptors, the upregulation of fucosylation changes the distribution of death receptors and enhances their clustering leading to enhanced apoptotic signal transduction after the stimulation by TRAIL . There is some evidence showing that a preligand assembly domain association (PLAD) consisting of death receptors, especially DR5, and decoy receptors lacking a death domain attenuates TRAIL‐induced apoptosis . In concert with this PLAD model, it can be conceived that if most death receptors are involved in the preclustering activity due to the upregulation of fucosylation, the possibility for them to bind to the decoy receptors greatly decreases.…”
Section: Discussionmentioning
confidence: 82%
“…In agreement with the regulation by O ‐ or N ‐glycosylated death receptors, the upregulation of fucosylation changes the distribution of death receptors and enhances their clustering leading to enhanced apoptotic signal transduction after the stimulation by TRAIL . There is some evidence showing that a preligand assembly domain association (PLAD) consisting of death receptors, especially DR5, and decoy receptors lacking a death domain attenuates TRAIL‐induced apoptosis . In concert with this PLAD model, it can be conceived that if most death receptors are involved in the preclustering activity due to the upregulation of fucosylation, the possibility for them to bind to the decoy receptors greatly decreases.…”
Section: Discussionmentioning
confidence: 82%
“…Liver injury can cause hepatocyte necrosis and apoptosis, depending on the severity of the liver injury (Neumann et al, 2014). Hence, early hepatocyte damage could be detected by measuring K18 and ccK18 levels (Galluzzi et al, 2012).…”
Section: Major Biomarkersmentioning
confidence: 99%
“…It has been shown that the complex formation between death receptors TRAIL-R1 and TRAIL-R2 and the apoptosis-incompetent receptors, TRAIL-R3 or TRAIL-R4, leads to impaired DISC function. 33 , 34 In addition, recruitment of the proteolytically inactive caspase homolog cFLIP (cellular FLICE-like inhibitory protein) represents an apoptosis-inhibiting mechanism. 35 , 36 …”
Section: Trail Receptors and Their Classical Functions At The Plasma mentioning
confidence: 99%