2021
DOI: 10.1038/s41388-021-01697-6
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Generation of TRAIL-resistant cell line models reveals distinct adaptive mechanisms for acquired resistance and re-sensitization

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Cited by 6 publications
(6 citation statements)
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“…Interestingly, Bcl-2 overexpression largely suppressed the final cleavage in caspase-8 and also caspase-3; on the other hand, XIAP knockdown led to the improvement of the cellular levels of cleaved caspase-3 upon treatment with TRAIL ( 39 ). Cingöz and his coworkers showed that TRAIL-mediated apoptosis in glioblastoma (GBM) cell lines can be promoted following combination therapy with proteasome inhibitor bortezomib and TRAIL, evidently by down-regulating Bcl-2 or Bcl-xL, suggesting a role for these anti-apoptotic proteins in inducing resistance to apoptosis-inducing cytokines, in particular, TRAIL ( 40 ). Moreover, analysis of the apoptosis process induced by TRAIL in human colon cancer cell line SW620 revealed that although caspase-8 activation and subsequent tBid formation was triggered in tumor cells upon treatment with TRAIL, up-regulating Bcl-2, Bcl-xL and Mcl-1 blocked TRAIL-mediated apoptosis in treated tumor cells ( 41 ).…”
Section: Mechanisms Of Cancer Resistances To Trailmentioning
confidence: 99%
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“…Interestingly, Bcl-2 overexpression largely suppressed the final cleavage in caspase-8 and also caspase-3; on the other hand, XIAP knockdown led to the improvement of the cellular levels of cleaved caspase-3 upon treatment with TRAIL ( 39 ). Cingöz and his coworkers showed that TRAIL-mediated apoptosis in glioblastoma (GBM) cell lines can be promoted following combination therapy with proteasome inhibitor bortezomib and TRAIL, evidently by down-regulating Bcl-2 or Bcl-xL, suggesting a role for these anti-apoptotic proteins in inducing resistance to apoptosis-inducing cytokines, in particular, TRAIL ( 40 ). Moreover, analysis of the apoptosis process induced by TRAIL in human colon cancer cell line SW620 revealed that although caspase-8 activation and subsequent tBid formation was triggered in tumor cells upon treatment with TRAIL, up-regulating Bcl-2, Bcl-xL and Mcl-1 blocked TRAIL-mediated apoptosis in treated tumor cells ( 41 ).…”
Section: Mechanisms Of Cancer Resistances To Trailmentioning
confidence: 99%
“…Interestingly, co-stimulation with TRAIL and lipopolysaccharides (LPS) more obviously promoted the variations in TRAIL-receptor-expression sponsoring apoptosis resistance due to the recognized effects of LPS on TLR-4 activation ( 52 ). On the other hand, CRISPR/Cas9 mediated silencing of DR5 suppressed bortezomib-mediated re-sensitization of glioblastoma cell lines to TRAIL-induced apoptosis, representing its significant role in determining cell response to TRAIL ( 40 ). Furthermore, it has been suggested that DCR2 could shape a heteromeric complex with the DR5 and consequently diminish caspase-8 activation and apoptosis in human cervical cancer HeLa cells.…”
Section: Mechanisms Of Cancer Resistances To Trailmentioning
confidence: 99%
“…Alternatively, inhibition of MOMP can occur through overexpression of the anti-apoptotic Bcl-2 family proteins, which inhibit the activity of apoptotic proteins, such as Bax and Bak. Overexpression of anti-apoptotic proteins, such as Bcl-2 or Bcl-XL, reduces apoptosis induced by both granule-mediated cytotoxicity and death receptor-mediated cytotoxicity, whereas pharmacological inhibition of Bcl-2 sensitises cells to cytotoxicity ( 196 , 197 , 202 – 206 ). Overexpression of Bcl-2 is a common feature of multiple cancers ( 207 ).…”
Section: Mechanisms Of Resistance To Cytotoxicitymentioning
confidence: 99%
“…Moreover, NF-κB-regulated microRNAs stimulated resistance to TRAIL [95] . CXCL1, a target for NF-κB, stimulated immune cell infiltration via paracrine signaling, leading to TRAIL resistance in PDAC [96] . Based on these results, it can be concluded that NF-κB may influence cellular behavior via various signaling pathways, which should be further investigated.…”
Section: Discussionmentioning
confidence: 99%