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Stephen C. Mack, PhD
Stephen C. Mack, PhD

Stephen C. Mack, PhD

Associate Member, St. Jude Faculty

Departments

Education

BSc (Laboratory Medicine and Pathobiology) – University of Toronto, Toronto
PhD (Laboratory Medicine and Pathobiology) – University of Toronto, Toronto
Fellowship (Stem Cell Biology) – Cleveland Clinic, Cleveland, Ohio

Honors and Awards

2022 V Scholar Award, V Foundation
2019 Pediatric Brain Tumor Foundation Early Career Development Award
2019 Alex's Lemonade Stand Foundation A Award

Research Interests

  • Brain tumors
  • Gene regulation
  • Brain development
  • Developmental therapeutics

Selected Publications

Lee JJY, Tao R, You Z, Haldipur P, Erickson AW, Farooq H, Hendriske LD, Abeysundara N, Richman CM, Wang EY, Das Gupta N, Hadley J, Batts M, Mount CW, Wu X, Rasnitsyn A, Bailey S, Cavalli FMG, Morrissy S, Garzia L, Michealraj KA, Visvanathan A, Fong V, Palotta J, Suarez R, Livingston BG, Liu M, Luu B, Daniels C, Loukides J, Bendel A, French PJ, Kros JM, Korshunov A, Kool M, Chico Ponce de León F, Perezpeña-Diazconti M, Lach B, Singh SK, Leary SES, Cho BK, Kim SK, Wang KC, Lee JY, Tominaga T, Weiss WA, Phillips JJ, Dai S, Zadeh G, Saad AG, Bognár L, Klekner A, Pollack IF, Hamilton RL, Ra YS, Grajkowska WA, Perek-Polnik M, Thompson RC, Kenney AM, Cooper MK, Mack SC, Jabado N, Lupien M, Gallo M, Ramaswamy V, Suva ML, Suzuki H, Millen KJ, Huang LF, Northcott PA, Taylor MD. ZIC1 is a context-dependent medulloblastoma driver in the rhombic lip. Nat Genet 2025 Jan;57(1):88-102. PMID 39753768

Ren J, Amoozgar Z, Uccello TP, Lei PJ, Zhao Y, Ho WW, Huang P, Kardian A, Mack SC, Duda DG, Xu L, Jain RK. Targeting EPHB2/ABL1 restores antitumor immunity in preclinical models of ependymoma. Proc Natl Acad Sci USA 2025 Jan 28;122(4):e2319474122. PMID 39841145

Chen HC, He P, McDonald M, Williamson MR, Varadharajan S, Lozzi B, Woo J, Choi DJ, Sardar D, Huang-Hobbs E, Sun H, Ippagunta SM, Jain A, Rao G, Merchant TE, Ellison DW, Noebels JL, Bertrand KC, Mack SC*, Deneen B*. Histone serotonylation regulates ependymoma tumorigenesis. Nature 2024 Aug;632(8026):903-910. PMID 39085609 *denotes co-corresponding author.

Mack SC, Bertrand KC. Understanding the mechanisms of diffuse midline glioma cell migration toward therapeutic targeting. Neuro Oncol 2024 Mar 4;26(3):569-570. PMID 38279953

Casillo SM, Gatesman TA, Chilukuri A, Varadharajan S, Johnson BJ, David Premkumar DR, Jane EP, Plute TJ, Koncar RF, Stanton AJ, Biagi-Junior CAO, Barber CS, Halbert ME, Golbourn BJ, Halligan K, Cruz AF, Mansi NM, Cheney A, Mullett SJ, Land CV, Perez JL, Myers MI, Agrawal N, Michel JJ, Chang YF, Vaske OM, MichaelRaj A, Lieberman FS, Felker J, Shiva S, Bertrand KC, Amankulor N, Hadjipanayis CG, Abdullah KG, Zinn PO, Friedlander RM, Abel TJ, Nazarian J, Venneti S, Filbin MG, Gelhaus SL, Mack SC, Pollack IF, Agnihotri S. An ERK5-PFKFB3 axis regulates glycolysis and represents a therapeutic vulnerability in pediatric diffuse midline glioma. Cell Rep 2024 Jan 23;43(1):113557. PMID 38113141

Mack SC, Bertrand KC. A Molecular Blueprint to Targeting ALK Gene Fusions in Glioblastoma. Clin Cancer Res 2023 Jul 14;29(14):2567-2569. PMID 37260294

Hwang EI, Hanson D, Filbin MG, Mack SC. Why haven't we solved intracranial pediatric ependymoma? Current questions and barriers to treatment advances. Neoplasia 2023 May;39:100895. PMID 36944298

Jessa S, Mohammadnia A, Harutyunyan AS, Hulswit M, Varadharajan S, Lakkis H, Kabir N, Bashardanesh Z, Hébert S, Faury D, Vladoiu MC, Worme S, Coutelier M, Krug B, Faria Andrade A, Pathania M, Bajic A, Weil AG, Ellezam B, Atkinson J, Dudley RWR, Farmer JP, Perreault S, Garcia BA, Larouche V, Blanchette M, Garzia L, Bhaduri A, Ligon KL, Bandopadhayay P, Taylor MD, Mack SC, Jabado N, Kleinman CL. K27M in canonical and noncanonical H3 variants occurs in distinct oligodendroglial cell lineages in brain midline gliomas. Nat Genet 2022 Dec;54(12):1865-1880. PMID 36471070

Varadharajan S, Mack SC. Leveraging epigenomic patterns to resolve the heterogeneity and origins of CNS germ cell tumors. Neuro Oncol 2022 Aug 1;24(8):1259-1260. PMID 35436342

Golbourn BJ, Halbert ME, Halligan K, Varadharajan S, Krug B, Mbah NE, Kabir N, Stanton AJ, Locke AL, Casillo SM, Zhao Y, Sanders LM, Cheney A, Mullett SJ, Chen A, Wassell M, Andren A, Perez J, Jane EP, Premkumar DRD, Koncar RF, Mirhadi S, McCarl LH, Chang YF, Wu YL, Gatesman TA, Cruz AF, Zapotocky M, Hu B, Kohanbash G, Wang X, Vartanian A, Moran MF, Lieberman F, Amankulor NM, Wendell SG, Vaske OM, Panigrahy A, Felker J, Bertrand KC, Kleinman CL, Rich JN, Friedlander RM, Broniscer A, Lyssiotis C, Jabado N, Pollack IF, Mack SC*, Agnihotri S*. Loss of MAT2A compromises methionine metabolism and represents a vulnerability in H3K27M mutant glioma by modulating the epigenome. Nat Cancer 2022 May;3(5):629-648. PMID 35422502 *denotes co-corresponding author.

Arabzade A, Zhao Y, Varadharajan S, Chen HC, Jessa S, Rivas B, Stuckert AJ, Solis M, Kardian A, Tlais D, Golbourn BJ, Stanton AJ, Chan YS, Olson C, Karlin KL, Kong K, Kupp R, Hu B, Injac SG, Ngo M, Wang PR, De León LA, Sahm F, Kawauchi D, Pfister SM, Lin CY, Hodges HC, Singh I, Westbrook TF, Chintagumpala MM, Blaney SM, Parsons DW, Pajtler KW, Agnihotri S, Gilbertson RJ, Yi J, Jabado N, Kleinman CL, Bertrand KC, Deneen B, Mack SC. ZFTA-RELA Dictates Oncogenic Transcriptional Programs to Drive Aggressive Supratentorial Ependymoma. Cancer Discov 2021 Sep;11(9):2200-2215. PMID 33741710

Stuckert A, Bertrand KC, Wang P, Smith A, Mack SC. Weighing ependymoma as an epigenetic disease. J Neurooncol 2020 Oct;150(1):57-61. PMID 32964355

Mack SC, Bertrand KC. Sub-group, Sub-type, and Cell-type Heterogeneity of Ependymoma. Cancer Cell 2020 Jul 13;38(1):15-17. PMID 32663463

Michealraj KA, Kumar SA, Kim LJY, Cavalli FMG, Przelicki D, Wojcik JB, Delaidelli A, Bajic A, Saulnier O, MacLeod G, Vellanki RN, Vladoiu MC, Guilhamon P, Ong W, Lee JJY, Jiang Y, Holgado BL, Rasnitsyn A, Malik AA, Tsai R, Richman CM, Juraschka K, Haapasalo J, Wang EY, De Antonellis P, Suzuki H, Farooq H, Balin P, Kharas K, Van Ommeren R, Sirbu O, Rastan A, Krumholtz SL, Ly M, Ahmadi M, Deblois G, Srikanthan D, Luu B, Loukides J, Wu X, Garzia L, Ramaswamy V, Kanshin E, Sánchez-Osuna M, El-Hamamy I, Coutinho FJ, Prinos P, Singh S, Donovan LK, Daniels C, Schramek D, Tyers M, Weiss S, Stein LD, Lupien M, Wouters BG, Garcia BA, Arrowsmith CH, Sorensen PH, Angers S, Jabado N, Dirks PB, Mack SC*, Agnihotri S*, Rich JN*, Taylor MD*. Metabolic Regulation of the Epigenome Drives Lethal Infantile Ependymoma. Cell May;181(6):1329-1345.e24, 2020. PMID 32445698 *denotes co-corresponding author.

Arabzade A, Stuckert AJ, Bertrand KC, Mack SC. Invited Review: The role and contribution of transcriptional enhancers in brain cancer. Neuropathol Appl Neurobiol 2020 Feb;46(1):48-56. PMID 32109328

Krug B, De Jay N, Harutyunyan AS, Deshmukh S, Marchione DM, Guilhamon P, Bertrand KC, Mikael LG, McConechy MK, Chen CCL, Khazaei S, Koncar RF, Agnihotri S, Faury D, Ellezam B, Weil AG, Ursini-Siegel J, De Carvalho DD, Dirks PB, Lewis PW, Salomoni P, Lupien M, Arrowsmith C, Lasko PF, Garcia BA, Kleinman CL, Jabado N, Mack SC. Pervasive H3K27 Acetylation Leads to ERV Expression and a Therapeutic Vulnerability in H3K27M Gliomas. Cancer Cell 2019 May 13;35(5):782-797.e8. PMID 31085178

Mack SC, Singh I, Wang X, Hirsch R, Wu Q, Villagomez R, Bernatchez JA, Zhu Z, Gimple RC, Kim LJY, Morton A, Lai S, Qiu Z, Prager BC, Bertrand KC, Mah C, Zhou W, Lee C, Barnett GH, Vogelbaum MA, Sloan AE, Chavez L, Bao S, Scacheri PC, Siqueira-Neto JL, Lin CY, Rich JN. Chromatin landscapes reveal developmentally encoded transcriptional states that define human glioblastoma. J Exp Med 2019 May 6;216(5):1071-1090. PMID 30948495

Khatua S, Mangum R, Bertrand KC, Zaky W, McCall D, Mack SC. Pediatric ependymoma: current treatment and newer therapeutic insights. Future Oncol 2018 Dec;14(30):3175-3186. PMID 30418040

Mack SC, Pajtler KW, Chavez L, Okonechnikov K, Bertrand KC, Wang X, Erkek S, Federation A, Song A, Lee C, Wang X, McDonald L, Morrow JJ, Saiakhova A, Sin-Chan P, Wu Q, Michaelraj KA, Miller TE, Hubert CG, Ryzhova M, Garzia L, Donovan L, Dombrowski S, Factor DC, Luu B, Valentim CLL, Gimple RC, Morton A, Kim L, Prager BC, Lee JJY, Wu X, Zuccaro J, Thompson Y, Holgado BL, Reimand J, Ke SQ, Tropper A, Lai S, Vijayarajah S, Doan S, Mahadev V, Miñan AF, Gröbner SN, Lienhard M, Zapatka M, Huang Z, Aldape KD, Carcaboso AM, Houghton PJ, Keir ST, Milde T, Witt H, Li Y, Li CJ, Bian XW, Jones DTW, Scott I, Singh SK, Huang A, Dirks PB, Bouffet E, Bradner JE, Ramaswamy V, Jabado N, Rutka JT, Northcott PA, Lupien M, Lichter P, Korshunov A, Scacheri PC, Pfister SM, Kool M, Taylor MD, Rich JN. Therapeutic targeting of ependymoma as informed by oncogenic enhancer profiling. Nature 2018 Jan 4;553(7686):101-105. PMID 29258295

Khatua S, Song A, Citla Sridhar D, Mack SC. Childhood Medulloblastoma: Current Therapies, Emerging Molecular Landscape and Newer Therapeutic Insights. Curr Neuropharmacol 2018;16(7):1045-1058. PMID 29189165

See a full list of publications from Dr. Mack

Last update: March 2025

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