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Sphingosine analogue drug FTY720 targets I2PP2A/SET and mediates lung tumour suppression via activation of PP2A-RIPK1-dependent necroptosis.
Saddoughi SA, Gencer S, Peterson YK, Ward KE, Mukhopadhyay A, Oaks J, Bielawski J, Szulc ZM, Thomas RJ, Selvam SP, Senkal CE, Garrett-Mayer E, De Palma RM, Fedarovich D, Liu A, Habib AA, Stahelin RV, Perrotti D, Ogretmen B. Saddoughi SA, et al. Among authors: de palma rm. EMBO Mol Med. 2013 Jan;5(1):105-21. doi: 10.1002/emmm.201201283. Epub 2012 Nov 25. EMBO Mol Med. 2013. PMID: 23180565 Free PMC article.
Receptor-interacting Ser/Thr kinase 1 (RIPK1) and myosin IIA-dependent ceramidosomes form membrane pores that mediate blebbing and necroptosis.
Nganga R, Oleinik N, Kim J, Selvam SP, De Palma R, Johnson KA, Parikh RY, Gangaraju V, Peterson Y, Dany M, Stahelin RV, Voelkel-Johnson C, Szulc ZM, Bieberich E, Ogretmen B. Nganga R, et al. J Biol Chem. 2019 Jan 11;294(2):502-519. doi: 10.1074/jbc.RA118.005865. Epub 2018 Nov 12. J Biol Chem. 2019. PMID: 30420430 Free PMC article.
Binding of the sphingolipid S1P to hTERT stabilizes telomerase at the nuclear periphery by allosterically mimicking protein phosphorylation.
Panneer Selvam S, De Palma RM, Oaks JJ, Oleinik N, Peterson YK, Stahelin RV, Skordalakes E, Ponnusamy S, Garrett-Mayer E, Smith CD, Ogretmen B. Panneer Selvam S, et al. Among authors: de palma rm. Sci Signal. 2015 Jun 16;8(381):ra58. doi: 10.1126/scisignal.aaa4998. Sci Signal. 2015. PMID: 26082434 Free PMC article.