Olivier Saulnier
The Hospital for Sick Children
Research Expertise
Publications
Combined analysis of TERT, EGFR, and IDH status defines distinct prognostic glioblastoma classes
Neurology / Aug 22, 2014
Labussiere, M., Boisselier, B., Mokhtari, K., Di Stefano, A.-L., Rahimian, A., Rossetto, M., Ciccarino, P., Saulnier, O., Paterra, R., Marie, Y., Finocchiaro, G., & Sanson, M. (2014). Combined analysis of TERT, EGFR, and IDH status defines distinct prognostic glioblastoma classes. Neurology, 83(13), 1200–1206. https://doi.org/10.1212/wnl.0000000000000814
Transcriptional Programs Define Intratumoral Heterogeneity of Ewing Sarcoma at Single-Cell Resolution
Cell Reports / Feb 01, 2020
Aynaud, M.-M., Mirabeau, O., Gruel, N., Grossetête, S., Boeva, V., Durand, S., Surdez, D., Saulnier, O., Zaïdi, S., Gribkova, S., Fouché, A., Kairov, U., Raynal, V., Tirode, F., Grünewald, T. G. P., Bohec, M., Baulande, S., Janoueix-Lerosey, I., Vert, J.-P., … Zinovyev, A. (2020). Transcriptional Programs Define Intratumoral Heterogeneity of Ewing Sarcoma at Single-Cell Resolution. Cell Reports, 30(6), 1767-1779.e6. https://doi.org/10.1016/j.celrep.2020.01.049
EPEN-52. METABOLIC REGULATION OF THE EPIGENOME DRIVES LETHAL INFANTILE EPENDYMOMA
Neuro-Oncology / Dec 01, 2020
Kumar, S., Michealraj, A., Kim, L., Rich, J., & Taylor, M. (2020). EPEN-52. METABOLIC REGULATION OF THE EPIGENOME DRIVES LETHAL INFANTILE EPENDYMOMA. Neuro-Oncology, 22(Supplement_3), iii318–iii318. https://doi.org/10.1093/neuonc/noaa222.185
scRNA-seq in medulloblastoma shows cellular heterogeneity and lineage expansion support resistance to SHH inhibitor therapy
Nature Communications / Dec 20, 2019
Ocasio, J. K., Babcock, B., Malawsky, D., Weir, S. J., Loo, L., Simon, J. M., Zylka, M. J., Hwang, D., Dismuke, T., Sokolsky, M., Rosen, E. P., Vibhakar, R., Zhang, J., Saulnier, O., Vladoiu, M., El-Hamamy, I., Stein, L. D., Taylor, M. D., Smith, K. S., … Gershon, T. R. (2019). scRNA-seq in medulloblastoma shows cellular heterogeneity and lineage expansion support resistance to SHH inhibitor therapy. Nature Communications, 10(1). https://doi.org/10.1038/s41467-019-13657-6
TCF12 is mutated in anaplastic oligodendroglioma
Nature Communications / Jun 12, 2015
Labreche, K., Simeonova, I., Kamoun, A., Gleize, V., Chubb, D., Letouzé, E., Riazalhosseini, Y., Dobbins, S. E., Elarouci, N., Ducray, F., de Reyniès, A., Zelenika, D., Wardell, C. P., Frampton, M., Saulnier, O., Pastinen, T., Hallout, S., Figarella-Branger, D., … Dehais, C. (2015). TCF12 is mutated in anaplastic oligodendroglioma. Nature Communications, 6(1). https://doi.org/10.1038/ncomms8207
Unified rhombic lip origins of group 3 and group 4 medulloblastoma
Nature / Sep 21, 2022
Smith, K. S., Bihannic, L., Gudenas, B. L., Haldipur, P., Tao, R., Gao, Q., Li, Y., Aldinger, K. A., Iskusnykh, I. Y., Chizhikov, V. V., Scoggins, M., Zhang, S., Edwards, A., Deng, M., Glass, I. A., Overman, L. M., Millman, J., Sjoboen, A. H., Hadley, J., … Northcott, P. A. (2022). Unified rhombic lip origins of group 3 and group 4 medulloblastoma. Nature, 609(7929), 1012–1020. https://doi.org/10.1038/s41586-022-05208-9
A neurodevelopmental epigenetic programme mediated by SMARCD3–DAB1–Reelin signalling is hijacked to promote medulloblastoma metastasis
Nature Cell Biology / Feb 27, 2023
Zou, H., Poore, B., Brown, E. E., Qian, J., Xie, B., Asimakidou, E., Razskazovskiy, V., Ayrapetian, D., Sharma, V., Xia, S., Liu, F., Chen, A., Guan, Y., Li, Z., Wanggou, S., Saulnier, O., Ly, M., Fellows-Mayle, W., Xi, G., … Hu, B. (2023). A neurodevelopmental epigenetic programme mediated by SMARCD3–DAB1–Reelin signalling is hijacked to promote medulloblastoma metastasis. Nature Cell Biology, 25(3), 493–507. https://doi.org/10.1038/s41556-023-01093-0
Hedgehog target genes regulate lipid metabolism to drive basal cell carcinoma and medulloblastoma
Aug 03, 2023
Daggubati, V., Vykunta, A., Choudhury, A., Qadeer, Z., Mirchia, K., Saulnier, O., Zakimi, N., Hines, K., Paul, M., Wang, L., Jura, N., Xu, L., Reiter, J., Taylor, M., Weiss, W., & Raleigh, D. (2023). Hedgehog target genes regulate lipid metabolism to drive basal cell carcinoma and medulloblastoma. https://doi.org/10.21203/rs.3.rs-3058335/v1
MDB-21. THE OTX2-REGULATED ALTERNATIVE SPLICING LANDSCAPE CONTROLS DIFFERENTIATION AND RECONSTITUTES THE DEVELOPMENTAL ORIGINS OF GROUP 3 MEDULLOBLASTOMA
Neuro-Oncology / Jun 01, 2023
Saulnier, O., Zagozewski, J., Liang, L., Hendrikse, L. D., Gordon, V., Aldinger, K. A., Haldipur, P., Borlase, S., Coudiere-Morrison, L., Layug, P., Cai, T., Porter, C. J., Richard, S., Doble, B. W., Millen, K. J., Taylor, M. D., & Werbowetski-Ogilvie, T. E. (2023). MDB-21. THE OTX2-REGULATED ALTERNATIVE SPLICING LANDSCAPE CONTROLS DIFFERENTIATION AND RECONSTITUTES THE DEVELOPMENTAL ORIGINS OF GROUP 3 MEDULLOBLASTOMA. Neuro-Oncology, 25(Supplement_1), i66–i67. https://doi.org/10.1093/neuonc/noad073.254
BIOL-23. LOSS OF MICRORNAS COOPERATES WITH TUMOR SUPPRESSORS TO INITIATE MYC-DEPENDENT METASTATIC MEDULLOBLASTOMA
Neuro-Oncology / Jun 01, 2023
Llaguno, S. A., Nazarenko, I., Chen, Y., Sun, D., Gudenas, B., Saulnier, O., Rocca, G. L., Pedraza, A., Burns, D., Bale, T., Ventura, A., Northcott, P., Taylor, M., & Parada, L. (2023). BIOL-23. LOSS OF MICRORNAS COOPERATES WITH TUMOR SUPPRESSORS TO INITIATE MYC-DEPENDENT METASTATIC MEDULLOBLASTOMA. Neuro-Oncology, 25(Supplement_1), i11–i11. https://doi.org/10.1093/neuonc/noad073.042
Abstract IA009: Oncogenic transcription factors drive highly tumor-specific LincRNA
Clinical Cancer Research / Sep 15, 2022
Delattre, O., Vibert, J., Saulnier, O., & Waterfall, J. (2022). Abstract IA009: Oncogenic transcription factors drive highly tumor-specific LincRNA. Clinical Cancer Research, 28(18_Supplement), IA009–IA009. https://doi.org/10.1158/1557-3265.sarcomas22-ia009
The LIN28B –let‐7–PBK
pathway is essential for group 3
medulloblastoma tumor growth and survival
Molecular Oncology / Aug 07, 2023
Shahab, S. W., Roggeveen, C. M., Sun, J., Kunhiraman, H., McSwain, L. F., Juraschka, K., Kumar, S. A., Saulnier, O., Taylor, M. D., Schniederjan, M., Schnepp, R. W., MacDonald, T. J., & Kenney, A. M. (2023). The <scp>LIN28B</scp>–let‐7–<scp>PBK</scp> pathway is essential for group 3 medulloblastoma tumor growth and survival. Molecular Oncology. Portico. https://doi.org/10.1002/1878-0261.13477
Targeting Microglial Metabolic Rewiring Synergizes with Immune-Checkpoint Blockade Therapy for Glioblastoma
Cancer Discovery / Jan 17, 2023
Ye, Z., Ai, X., Yang, K., Yang, Z., Fei, F., Liao, X., Qiu, Z., Gimple, R. C., Yuan, H., Huang, H., Gong, Y., Xiao, C., Yue, J., Huang, L., Saulnier, O., Wang, W., Zhang, P., Dai, L., Wang, X., … Zhou, S. (2023). Targeting Microglial Metabolic Rewiring Synergizes with Immune-Checkpoint Blockade Therapy for Glioblastoma. Cancer Discovery, 13(4), 974–1001. https://doi.org/10.1158/2159-8290.cd-22-0455
Author Correction: Failure of human rhombic lip differentiation underlies medulloblastoma formation
Nature / Nov 29, 2022
Hendrikse, L. D., Haldipur, P., Saulnier, O., Millman, J., Sjoboen, A. H., Erickson, A. W., Ong, W., Gordon, V., Coudière-Morrison, L., Mercier, A. L., Shokouhian, M., Suárez, R. A., Ly, M., Borlase, S., Scott, D. S., Vladoiu, M. C., Farooq, H., Sirbu, O., Nakashima, T., … Taylor, M. D. (2022). Author Correction: Failure of human rhombic lip differentiation underlies medulloblastoma formation. Nature, 612(7940), E12–E12. https://doi.org/10.1038/s41586-022-05578-0
Failure of human rhombic lip differentiation underlies medulloblastoma formation
Nature / Sep 21, 2022
Hendrikse, L. D., Haldipur, P., Saulnier, O., Millman, J., Sjoboen, A. H., Erickson, A. W., Ong, W., Gordon, V., Coudière-Morrison, L., Mercier, A. L., Shokouhian, M., Suárez, R. A., Ly, M., Borlase, S., Scott, D. S., Vladoiu, M. C., Farooq, H., Sirbu, O., Nakashima, T., … Taylor, M. D. (2022). Failure of human rhombic lip differentiation underlies medulloblastoma formation. Nature, 609(7929), 1021–1028. https://doi.org/10.1038/s41586-022-05215-w
Combined MEK and JAK/STAT3 pathway inhibition effectively decreases SHH medulloblastoma tumor progression
Communications Biology / Jul 14, 2022
Zagozewski, J., Borlase, S., Guppy, B. J., Coudière-Morrison, L., Shahriary, G. M., Gordon, V., Liang, L., Cheng, S., Porter, C. J., Kelley, R., Hawkins, C., Chan, J. A., Liang, Y., Gong, J., Nör, C., Saulnier, O., Wechsler-Reya, R. J., Ramaswamy, V., & Werbowetski-Ogilvie, T. E. (2022). Combined MEK and JAK/STAT3 pathway inhibition effectively decreases SHH medulloblastoma tumor progression. Communications Biology, 5(1). https://doi.org/10.1038/s42003-022-03654-9
Enhancement of mitochondrial function fosters B cell immune memory
Jun 22, 2022
Shukla, A., Tiwari, A., Saulnier, O., Hendrikse, L., Hall, B., Rickert, R., Taylor, M. D., Shukla, V., & Bagchi, A. (2022). Enhancement of mitochondrial function fosters B cell immune memory. https://doi.org/10.1101/2022.06.21.497040
Author Correction: scRNA-seq in medulloblastoma shows cellular heterogeneity and lineage expansion support resistance to SHH inhibitor therapy
Nature Communications / May 26, 2022
Ocasio, J. K., Babcock, B., Malawsky, D., Weir, S. J., Loo, L., Simon, J. M., Zylka, M. J., Hwang, D., Dismuke, T., Sokolsky, M., Rosen, E. P., Vibhakar, R., Zhang, J., Saulnier, O., Vladoiu, M., El-Hamamy, I., Stein, L. D., Taylor, M. D., Smith, K. S., … Gershon, T. R. (2022). Author Correction: scRNA-seq in medulloblastoma shows cellular heterogeneity and lineage expansion support resistance to SHH inhibitor therapy. Nature Communications, 13(1). https://doi.org/10.1038/s41467-022-30824-4
Oncogenic chimeric transcription factors drive tumor-specific transcription, processing, and translation of silent genomic regions
Molecular Cell / Jul 01, 2022
Vibert, J., Saulnier, O., Collin, C., Petit, F., Borgman, K. J. E., Vigneau, J., Gautier, M., Zaidi, S., Pierron, G., Watson, S., Gruel, N., Hénon, C., Postel-Vinay, S., Deloger, M., Raynal, V., Baulande, S., Laud-Duval, K., Hill, V., Grossetête, S., … Delattre, O. (2022). Oncogenic chimeric transcription factors drive tumor-specific transcription, processing, and translation of silent genomic regions. Molecular Cell, 82(13), 2458-2471.e9. https://doi.org/10.1016/j.molcel.2022.04.019
Hijacking a neurodevelopmental epigenomic program in metastatic dissemination of medulloblastoma
Jan 24, 2022
Zou, H., Poore, B., Brown, E., Qian, J., Xie, B., Asimakidou, E., Razskazovskiy, V., Ayrapetian, D., Sharma, V., Xia, S., Liu, F., Chen, A., Guan, Y., Li, Z., Wanggou, S., Saulnier, O., Ly, M., Fellows-Mayle, W., Xi, G., … Hu, B. (2022). Hijacking a neurodevelopmental epigenomic program in metastatic dissemination of medulloblastoma. https://doi.org/10.21203/rs.3.rs-1270726/v1
ERG transcription factors have a splicing regulatory function involving RBFOX2 that is altered in the EWS-FLI1 oncogenic fusion
Nucleic Acids Research / May 01, 2021
Saulnier, O., Guedri-Idjouadiene, K., Aynaud, M.-M., Chakraborty, A., Bruyr, J., Pineau, J., O’Grady, T., Mirabeau, O., Grossetête, S., Galvan, B., Claes, M., Al Oula Hassoun, Z., Sadacca, B., Laud, K., Zaïdi, S., Surdez, D., Baulande, S., Rambout, X., Tirode, F., … Dequiedt, F. (2021). ERG transcription factors have a splicing regulatory function involving RBFOX2 that is altered in the EWS-FLI1 oncogenic fusion. Nucleic Acids Research, 49(9), 5038–5056. https://doi.org/10.1093/nar/gkab305
An OTX2-PAX3 signaling axis regulates Group 3 medulloblastoma cell fate
Nature Communications / Jul 20, 2020
Zagozewski, J., Shahriary, G. M., Morrison, L. C., Saulnier, O., Stromecki, M., Fresnoza, A., Palidwor, G., Porter, C. J., Forget, A., Ayrault, O., Hawkins, C., Chan, J. A., Vladoiu, M. C., Sundaresan, L., Arsenio, J., Taylor, M. D., Ramaswamy, V., & Werbowetski-Ogilvie, T. E. (2020). An OTX2-PAX3 signaling axis regulates Group 3 medulloblastoma cell fate. Nature Communications, 11(1). https://doi.org/10.1038/s41467-020-17357-4
Metabolic Regulation of the Epigenome Drives Lethal Infantile Ependymoma
Cell / Jun 01, 2020
Michealraj, K. A., Kumar, S. A., Kim, L. J. Y., Cavalli, F. M. G., Przelicki, D., Wojcik, J. B., Delaidelli, A., Bajic, A., Saulnier, O., MacLeod, G., Vellanki, R. N., Vladoiu, M. C., Guilhamon, P., Ong, W., Lee, J. J. Y., Jiang, Y., Holgado, B. L., Rasnitsyn, A., Malik, A. A., … Taylor, M. D. (2020). Metabolic Regulation of the Epigenome Drives Lethal Infantile Ependymoma. Cell, 181(6), 1329-1345.e24. https://doi.org/10.1016/j.cell.2020.04.047
ZRANB2 and SYF2-mediated splicing programs converging on ECT2 are involved in breast cancer cell resistance to doxorubicin
Nucleic Acids Research / Jan 16, 2020
Tanaka, I., Chakraborty, A., Saulnier, O., Benoit-Pilven, C., Vacher, S., Labiod, D., Lam, E. W. F., Bièche, I., Delattre, O., Pouzoulet, F., Auboeuf, D., Vagner, S., & Dutertre, M. (2020). ZRANB2 and SYF2-mediated splicing programs converging on ECT2 are involved in breast cancer cell resistance to doxorubicin. Nucleic Acids Research, 48(5), 2676–2693. https://doi.org/10.1093/nar/gkz1213
Transcriptional programs define intratumoral heterogeneity of Ewing sarcoma at single cell resolution
Apr 30, 2019
Aynaud, M.-M., Mirabeau, O., Gruel, N., Grossetête, S., Boeva, V., Durand, S., Surdez, D., Saulnier, O., Zaïdi, S., Gribkova, S., Kairov, U., Raynal, V., Tirode, F., Grünewald, T., Bohec, M., Baulande, S., Janoueix-Lerosey, I., Vert, J.-P., Barillot, E., … Zinovyev, A. (2019). Transcriptional programs define intratumoral heterogeneity of Ewing sarcoma at single cell resolution. https://doi.org/10.1101/623710
Experience
Hospital for Sick Children
Postdoctoral fellow / 2019 — Present
Institut Curie
PhD student / 2015 — 2019
Institute of Cancer Research
Internship / 2014 — 2015
Institut du cerveau et de la moelle épinière
Internship / 2012 — 2013
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