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001-es BibID:BIBFORM084074
035-os BibID:(cikkazonosító)648 (WoS)000530232300124 (Scopus)85081217936
Első szerző:Jambrovics Károly (biológus, gyógyszer-biotechnológus)
Cím:Benefits of Combined All-Trans Retinoic Acid and Arsenic Trioxide Treatment of Acute Promyelocytic Leukemia Cells and Further Enhancement by Inhibition of Atypically Expressed Transglutaminase 2 / Jambrovics Károly, Uray Iván P., Keillor Jeffrey W., Fésüs László, Balajthy Zoltán
Dátum:2020
ISSN:2072-6694
Megjegyzések:Randomized trials in acute promyelocytic leukemia patients have shown that treatment with a combination of all-trans retinoic acid (ATRA) and arsenic trioxide (ATO) is superior in efficacy to monotherapy, with significantly decreased mortality. So far, there are little data available to explain the success of the ATRA and ATO combination treatment in molecular terms. We showed that ATRA- and ATO-treated cells had the same capacity for superoxide production, which was reduced by two-thirds in the combined treatment. Secreted inflammatory biomarkers (monocyte chemoattractant protein-1 [MCP-1], interleukin-1 beta [IL-1?] and tumor necrosis factor-? [TNF-?]) were significantly decreased and were further reduced in a transglutaminase 2 (TG2) expressiondependent manner. The amount of secreted TNF-? in the supernatant of NB4 TG2 knockout cells was close to 50 times lower than in ATRA-treated differentiated wild-type NB4 cells. The irreversible inhibitor of TG2 NC9 not only decreased reactive oxygen species production 28-fold, but decreased the concentration of MCP-1, IL-1? and TNF-? 8-, 15- and 61-fold, respectively in the combined ATRA + ATO-treated wild-type NB4 cell culture. We propose that atypical expression of TG2 leads to the generation of inflammation, which thereby serves as a potential target for the prevention of differentiation syndrome.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Cancers. - 12 : 3 (2020), p. 648-. -
További szerzők:Uray Iván Péter (1970-) (kutatóorvos) Keillor, Jeffrey W. Fésüs László (1947-) (orvos biokémikus) Balajthy Zoltán (1957-) (biokémikus, sejtbiológus)
Pályázati támogatás:GINOP-2.3.2-15-2016-00020
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K129218
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