ArticleDer Pathologe2010
[cFLIP diminishes CD95-induced apoptosis of CD30-stimulated cutaneous anaplastic large T cell lymphoma (cALCL) cells].
Article in Der Pathologe, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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0 citing papers in PubMed, 4 citations in OpenAlex.
No citing paper in PubMed yet.
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Authors and funding
8 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Stimulation of the TNF receptors CD30 and CD95 exerts opposite effects. Crosstalk of both receptors is unknown. We aimed to reveal regulatory mechanisms of CD30-induced effects on CD95 signaling of cALCL cell lines. "CD30/CD95 crosstalk analysis" was performed in cALCL cell lines by comparison of CD30 or CD95 stimulation and CD30/CD95 costimulation. Receptor expression and induction of apoptosis was investigated by flow cytometry. mRNA expression of CD30-inducible genes (cFLIP, TRAF1, cIAP2, and A20) was compared by semiquantitative reverse transcription (RT-RQ-) PCR in stimulated and unstimulated cells. Protein expression of IκBα, p100/p52, caspase-8, caspase-3, and cFLIP was analyzed by immunoblotting. A lentiviral-based shRNA-mediated approach was used to inhibit cFLIP expression. CD30/CD95 crosstalk experiments revealed that CD30 ligation leads to NFκB-mediated cFLIP upregulation in cALCL cells, which in turn enhanced resistance to CD95-mediated apoptosis. This effect is based on the CD30-induced upregulation of cFLIP. Knockdown of cFLIP restores sensitivity to CD95-mediated apoptosis. We conclude that the anti-apoptotic function of CD30 antibodies should be kept in mind if CD30 antibody-based therapeutic concepts for ALCL lymphoma are considered.
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