MUSC medical center

Sphingolipid PPG Collaborative Publications

  1. Baran Y, Bielawski J, Gunduz U, Ogretmen B. Targeting glucosylceramide synthase sensitizes imatinibresistant chronic myeloid leukemia cells via endogenous ceramide accumulation. J Cancer Res Clin Oncol. 2011 Oct;137(10):1535-44. View in PubMed
  2. Baran Y, Salas A, Senkal CE, Gunduz U, Bielawski J, Obeid LM, Ogretmen B. Alterations of ceramide/sphingosine 1-phosphate rheostat involved in the regulation of resistance to imatinib-induced apoptosis in K562 human chronic myeloid leukemia cells. J Biol Chem. 2007 Apr 13;282(15):10922-34. View in PubMed
  3. Beckham TH, Lu P, Jones EE, Marrison T, Lewis CS, Cheng JC, Ramshesh VK, Beeson G, Beeson CC, Drake RR, Bielawska A, Bielawski J, Szulc ZM, Ogretmen B, Norris JS, Liu X. LCL124, a cationic analog of ceramide, selectively induces pancreatic cancer cell death by accumulating in mitochondria. J Pharmacol Exp Ther. 2013 Jan;344(1):167-78. PMCID: PMC3533418 View in PubMed
  4. Bielawska A, Bielawski J, Szulc ZM, Mayroo N, Liu X, Bai A, Elojeimy S, Rembiesa B, Pierce J, Norris JS, Hannun YA. Novel analogs of D-e-MAPP and B13. Part 2: signature effects on bioactive sphingolipids. Bioorg Med Chem. 2008 Jan 15;16(2):1032-45. PMCID: PMC2268750 View in PubMed
  5. Elojeimy S, Holman DH, Liu X, El-Zawahry A, Villani M, Cheng JC, Mahdy A, Zeidan Y, Bielwaska A, Hannun YA, Norris JS. New insights on the use of desipramine as an inhibitor for acid ceramidase. FEBS Lett. 2006 Aug 21;580(19):4751-6. View in PubMed
  6. Elojeimy S, Liu X, McKillop JC, El-Zawahry AM, Holman DH, Cheng JY, Meacham WD, Mahdy AE, Saad AF, Turner LS, Cheng J, A Day T, Dong JY, Bielawska A, Hannun YA, Norris JS. Role of acid ceramidase in resistance to FasL: therapeutic approaches based on acid ceramidase inhibitors and FasL gene therapy. Mol Ther. 2007 Jul;15(7):1259-63. View in PubMed
  7. Holman DH, Turner LS, El-Zawahry A, Elojeimy S, Liu X, Bielawski J, Szulc ZM, Norris K, Zeidan YH, Hannun YA, Bielawska A, Norris JS. Lysosomotropic acid ceramidase inhibitor induces apoptosis in prostate cancer cells. Cancer Chemother Pharmacol. 2008 Feb;61(2):231-42. View in PubMed
  8. Karahatay S, Thomas K, Koybasi S, Senkal CE, Elojeimy S, Liu X, Bielawski J, Day TA, Gillespie MB, Sinha D, Norris JS, Hannun YA, Ogretmen B. Clinical relevance of ceramide metabolism in the pathogenesis of human head and neck squamous cell carcinoma (HNSCC): attenuation of C(18)-ceramide in HNSCC tumors correlates with lymphovascular invasion and nodal metastasis. Cancer Lett. 2007 Oct 18;256(1):101-11. PMCID: PMC2084356 View in PubMed
  9. Kitatani K, Idkowiak-Baldys J, Bielawski J, Taha TA, Jenkins RW, Senkal CE, Ogretmen B, Obeid LM, Hannun YA. Protein kinase C-induced activation of a ceramide/protein phosphatase 1 pathway leading to dephosphorylation of p38 MAPK. J Biol Chem. 2006 Dec 1;281(48):36793-802. View in PubMed
  10. Koybasi S, Senkal CE, Sundararaj K, Spassieva S, Bielawski J, Osta W, Day TA, Jiang JC, Jazwinski SM, Hannun YA, Obeid LM, Ogretmen B. Defects in cell growth regulation by C18:0-ceramide and longevity assurance gene 1 in human head and neck squamous cell carcinomas. J Biol Chem. 2004 Oct 22;279(43):44311-9. View in PubMed
  11. Kraveka JM, Li L, Bielawski J, Obeid LM, Ogretmen B. Involvement of endogenous ceramide in the inhibition of telomerase activity and induction of morphologic differentiation in response to all-trans-retinoic acid in human neuroblastoma cells. Arch Biochem Biophys. 2003 Nov 15;419(2):110-9. View in PubMed
  12. Kraveka JM, Li L, Szulc ZM, Bielawski J, Ogretmen B, Hannun YA, Obeid LM, Bielawska A. Involvement of dihydroceramide desaturase in cell cycle progression in human neuroblastoma cells. J Biol Chem. 2007 Jun 8;282(23):16718-28. PMCID: PMC2084375 View in PubMed
  13. Liu X, Elojeimy S, El-Zawahry AM, Holman DH, Bielawska A, Bielawski J, Rubinchik S, Guo GW, Dong JY, Keane T, Hannun YA, Tavassoli M, Norris JS. Modulation of ceramide metabolism enhances viral protein apoptin's cytotoxicity in prostate cancer. Mol Ther. 2006 Nov;14(5):637-46. View in PubMed
  14. Liu X, Zeidan YH, Elojeimy S, Holman DH, El-Zawahry AM, Guo GW, Bielawska A, Bielawski J, Szulc Z, Rubinchik S, Dong JY, Keane TE, Tavassoli M, Hannun YA, Norris JS. Involvement of sphingolipids in apoptin-induced cell killing. Mol Ther. 2006 Nov;14(5):627-36. View in PubMed
  15. Mahdy AE, Cheng JC, Li J, Elojeimy S, Meacham WD, Turner LS, Bai A, Gault CR, McPherson AS, Garcia N, Beckham TH, Saad A, Bielawska A, Bielawski J, Hannun YA, Keane TE, Taha MI, Hammouda HM, Norris JS, Liu X. Acid ceramidase upregulation in prostate cancer cells confers resistance to radiation: AC inhibition, a potential radiosensitizer. Mol Ther. 2009 Mar;17(3):430-8. PMCID: PMC2835081 View in PubMed
  16. Norris JS, Bielawska A, Day T, El-Zawahri A, ElOjeimy S, Hannun Y, Holman D, Hyer M, Landon C, Lowe S, Dong JY, McKillop J, Norris K, Obeid L, Rubinchik S, Tavassoli M, Tomlinson S, Voelkel-Johnson C, Liu X. Combined therapeutic use of AdGFPFasL and small molecule inhibitors of ceramide metabolism in prostate and head and neck cancers: a status report. Cancer Gene Ther. 2006 Dec;13(12):1045-51. View in PubMed
  17. Ogretmen B, Pettus BJ, Rossi MJ, Wood R, Usta J, Szulc Z, Bielawska A, Obeid LM, Hannun YA. Biochemical mechanisms of the generation of endogenous long chain ceramide in response to exogenous short chain ceramide in the A549 human lung adenocarcinoma cell line. Role for endogenous ceramide in mediating the action of exogenous ceramide. J Biol Chem. 2002 Apr 12;277(15):12960-9.135 View in PubMed
  18. Park MA, Mitchell C, Zhang G, Yacoub A, Allegood J, Häussinger D, Reinehr R, Larner A, Spiegel S, Fisher PB, Voelkel-Johnson C, Ogretmen B, Grant S, Dent P. Vorinostat and sorafenib increase CD95 activation in gastrointestinal tumor cells through a Ca(2+)-de novo ceramide-PP2A-reactive oxygen speciesdependent signaling pathway. Cancer Res. 2010 Aug 1;70(15):6313-24. PMCID: PMC2918282 View in PubMed
  19. Park MA, Reinehr R, Häussinger D, Voelkel-Johnson C, Ogretmen B, Yacoub A, Grant S, Dent P. Sorafenib activates CD95 and promotes autophagy and cell death via Src family kinases in gastrointestinal tumor cells. Mol Cancer Ther. 2010 Aug;9(8):2220-31. PMCID: PMC2933415 View in PubMed
  20. Ponnusamy S, Alderson NL, Hama H, Bielawski J, Jiang JC, Bhandari R, Snyder SH, Jazwinski SM, Ogretmen B. Regulation of telomere length by fatty acid elongase 3 in yeast. Involvement of inositol phosphate metabolism and Ku70/80 function. J Biol Chem. 2008 Oct 10;283(41):27514-24. PMCID: PMC2562072 View in PubMed
  21. Ponnusamy S, Selvam SP, Mehrotra S, Kawamori T, Snider AJ, Obeid LM, Shao Y, Sabbadini R, Ogretmen B. Communication between host organism and cancer cells is transduced by systemic sphingosine kinase 1/sphingosine 1-phosphate signalling to regulate tumour metastasis. EMBO Mol Med. 2012 Aug;4(8):761-75. PMCID: PMC3494075 View in PubMed
  22. Rossi MJ, Sundararaj K, Koybasi S, Phillips MS, Szulc ZM, Bielawska A, Day TA, Obeid LM, Hannun YA, Ogretmen B. Inhibition of growth and telomerase activity by novel cationic ceramide analogs with high solubility in human head and neck squamous cell carcinoma cells. Otolaryngol Head Neck Surg. 2005 Jan;132(1):55-62. View in PubMed
  23. Rubinchik S, Yu H, Woraratanadharm J, Voelkel-Johnson C, Norris JS, Dong JY. Enhanced apoptosis of glioma cell lines is achieved by co-delivering FasL-GFP and TRAIL with a complex Ad5 vector. Cancer Gene Ther. 2003 Nov;10(11):814-22. View in PubMed
  24. Saad AF, Meacham WD, Bai A, Anelli V, Elojeimy S, Mahdy AE, Turner LS, Cheng J, Bielawska A, Bielawski J, Keane TE, Obeid LM, Hannun YA, Norris JS, Liu X. The functional effects of acid ceramidase overexpression in prostate cancer progression and resistance to chemotherapy. Cancer Biol Ther. 2007 Sep;6(9):1455-60. View in PubMed
  25. Saddoughi SA, Garrett-Mayer E, Chaudhary U, O'Brien PE, Afrin LB, Day TA, Gillespie MB, Sharma AK, Wilhoit CS, Bostick R, Senkal CE, Hannun YA, Bielawski J, Simon GR, Shirai K, Ogretmen B. Results of a phase II trial of gemcitabine plus doxorubicin in patients with recurrent head and neck cancers: serum C₁₈- ceramide as a novel biomarker for monitoring response. Clin Cancer Res. 2011 Sep 15;17(18):6097-105. PMCID: PMC3176980 View in PubMed
  26. 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. Sphingosine analogue drug FTY720 targets I2PP2A/SET and mediates lung tumour suppression via activation of PP2A-RIPK1-dependent necroptosis. EMBO Mol Med. 2013 Jan;5(1):105-21. PMCID: PMC3569657 View in PubMed
  27. Salas A, Ponnusamy S, Senkal CE, Meyers-Needham M, Selvam SP, Saddoughi SA, Apohan E, Sentelle RD, Smith C, Gault CR, Obeid LM, El-Shewy HM, Oaks J, Santhanam R, Marcucci G, Baran Y, Mahajan S, Fernandes D, Stuart R, Perrotti D, Ogretmen B. Sphingosine kinase-1 and sphingosine 1-phosphate receptor 2 mediate Bcr-Abl1 stability and drug resistance by modulation of protein phosphatase 2A. Blood. 2011 Jun 2;117(22):5941-52. PMCID: PMC3112039 View in PubMed
  28. Senkal CE, Ponnusamy S, Bielawski J, Hannun YA, Ogretmen B. Antiapoptotic roles of ceramidesynthase-6-generated C16-ceramide via selective regulation of the ATF6/CHOP arm of ER-stress-response pathways. FASEB J. 2010 Jan;24(1):296-308. PMCID: PMC2797032 View in PubMed
  29. Senkal CE, Ponnusamy S, Manevich Y, Meyers-Needham M, Saddoughi SA, Mukhopadyay A, Dent P, Bielawski J, Ogretmen B. Alteration of ceramide synthase 6/C16-ceramide induces activating transcription factor 6-mediated endoplasmic reticulum (ER) stress and apoptosis via perturbation of cellular Ca2+ and ER/Golgi membrane network. J Biol Chem. 2011 Dec 9;286(49):42446-58. PMCID: PMC3234959 View in PubMed
  30. Senkal CE, Ponnusamy S, Rossi MJ, Bialewski J, Sinha D, Jiang JC, Jazwinski SM, Hannun YA, Ogretmen B. Role of human longevity assurance gene 1 and C18-ceramide in chemotherapy-induced cell death in human head and neck squamous cell carcinomas. Mol Cancer Ther. 2007 Feb;6(2):712-22. View in PubMed
  31. Senkal CE, Ponnusamy S, Rossi MJ, Sundararaj K, Szulc Z, Bielawski J, Bielawska A, Meyer M, Cobanoglu B, Koybasi S, Sinha D, Day TA, Obeid LM, Hannun YA, Ogretmen B. Potent antitumor activity of a novel cationic pyridinium-ceramide alone or in combination with gemcitabine against human head and neck squamous cell carcinomas in vitro and in vivo. J Pharmacol Exp Ther. 2006 Jun;317(3):1188-99. View in PubMed
  32. Sentelle RD, Senkal CE, Jiang W, Ponnusamy S, Gencer S, Selvam SP, Ramshesh VK, Peterson YK, Lemasters JJ, Szulc ZM, Bielawski J, Ogretmen B. Ceramide targets autophagosomes to mitochondria and induces lethal mitophagy. Nat Chem Biol. 2012 Oct;8(10):831-8. View in PubMed
  33. Separovic D, Bielawski J, Pierce JS, Merchant S, Tarca AL, Bhatti G, Ogretmen B, Korbelik M. Enhanced tumor cures after Foscan photodynamic therapy combined with the ceramide analog LCL29. Evidence from mouse squamous cell carcinomas for sphingolipids as biomarkers of treatment response. Int J Oncol. 2011 Feb;38(2):521-7. PMCID: PMC3349972 View in PubMed
  34. Separovic D, Bielawski J, Pierce JS, Merchant S, Tarca AL, Ogretmen B, Korbelik M. Increased tumour dihydroceramide production after Photofrin-PDT alone and improved tumour response after the combination with the ceramide analogue LCL29. Evidence from mouse squamous cell carcinomas. Br J Cancer. 2009 Feb 24;100(4):626-32. PMCID: PMC2653738 View in PubMed
  35. Shirai K, Kaneshiro T, Wada M, Furuya H, Bielawski J, Hannun YA, Obeid LM, Ogretmen B, Kawamori T. A role of sphingosine kinase 1 in head and neck carcinogenesis. Cancer Prev Res (Phila). 2011 Mar;4(3):454-62. PMCID: PMC3342666 View in PubMed
  36. Sudarshan S, Holman DH, Hyer ML, Voelkel-Johnson C, Dong JY, Norris JS. In vitro efficacy of Fas ligand gene therapy for the treatment of bladder cancer. Cancer Gene Ther. 2005 Jan;12(1):12-8. View in PubMed
  37. Sultan I, Senkal CE, Ponnusamy S, Bielawski J, Szulc Z, Bielawska A, Hannun YA, Ogretmen B. Regulation of the sphingosine-recycling pathway for ceramide generation by oxidative stress, and its role in controlling c-Myc/Max function. Biochem J. 2006 Jan 15;393(Pt 2):513-21. PMCID: PMC1360701 View in PubMed
  38. Sundararaj KP, Wood RE, Ponnusamy S, Salas AM, Szulc Z, Bielawska A, Obeid LM, Hannun YA, Ogretmen B. Rapid shortening of telomere length in response to ceramide involves the inhibition of telomere binding activity of nuclear glyceraldehyde-3-phosphate dehydrogenase. J Biol Chem. 2004 Feb 13;279(7):6152-62. View in PubMed
  39. Syed I, Szulc ZM, Ogretmen B, Kowluru A. L- threo -C6-pyridinium-ceramide bromide, a novel cationic ceramide, induces NADPH oxidase activation, mitochondrial dysfunction and loss in cell viability in INS 832/13 β-cells. Cell Physiol Biochem. 2012;30(4):1051-8. View in PubMed
  40. Szulc ZM, Mayroo N, Bai A, Bielawski J, Liu X, Norris JS, Hannun YA, Bielawska A. Novel analogs of De-MAPP and B13. Part 1: synthesis and evaluation as potential anticancer agents. Bioorg Med Chem. 2008 Jan 15;16(2):1015-31. PMCID: PMC2287182 View in PubMed
  41. White-Gilbertson S, Mullen T, Senkal C, Lu P, Ogretmen B, Obeid L, Voelkel-Johnson C. Ceramide synthase 6 modulates TRAIL sensitivity and nuclear translocation of active caspase-3 in colon cancer cells. Oncogene. 2009 Feb 26;28(8):1132-41. PMCID: PMC2648838 View in PubMed

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