David N. Louis, MD

Massachusetts General Hospital

Massachusetts General Hospital
Phone: (617) 726-2966
Fax: (617) 726-7533

David N. Louis, MD

Massachusetts General Hospital

EDUCATIONAL TITLES

Benjamin Castleman Professor of Pathology, Pathology, Harvard Medical School
Chief, Pathology, Massachusetts General Hospital

DF/HCC PROGRAM AFFILIATION

Cancer Genetics and Epigenetics, Member
Neuro-Oncology, Member

Research Abstract

Dr. Louis' laboratory has studied the molecular genetic basis of human brain tumors, both common sporadic brain tumors as well as rarer, inherited brain tumor syndromes. Most of the work has focused on malignant gliomas. The laboratory was the first to demonstrate that molecular genetic analysis could be used to divide glioblastomas into clinicopathologically distinct genetic subsets. The laboratory has also shown that specific genetic alterations are powerful predictors of chemotherapeutic response and survival in patients with anaplastic oligodendrogliomas. Recent work focused on the effects of chemotherapy on malignant glioma genotype at the time of recurrence and, in collaboration, on glioma epigenetics.

Mathewson ND, Ashenberg O, Tirosh I, Gritsch S, Perez EM, Marx S, Jerby-Arnon L, Chanoch-Myers R, Hara T, Richman AR, Ito Y, Pyrdol J, Friedrich M, Schumann K, Poitras MJ, Gokhale PC, Gonzalez Castro LN, Shore ME, Hebert CM, Shaw B, Cahill HL, Drummond M, Zhang W, Olawoyin O, Wakimoto H, Rozenblatt-Rosen O, Brastianos PK, Liu XS, Jones PS, Cahill DP, Frosch MP, Louis DN, Freeman GJ, Ligon KL, Marson A, Chiocca EA, Reardon DA, Regev A, Suvà ML, Wucherpfennig KW. Inhibitory CD161 receptor identified in glioma-infiltrating T cells by single-cell analysis. Cell 2021. PubMed
Louis DN, Perry A, Wesseling P, Brat DJ, Cree IA, Figarella-Branger D, Hawkins C, Ng HK, Pfister SM, Reifenberger G, Soffietti R, von Deimling A, Ellison DW. The 2021 WHO Classification of Tumors of the Central Nervous System: a summary. 2021; 23:1231-1251. PubMed
Louis DN, Wesseling P, Aldape K, Brat DJ, Capper D, Cree IA, Eberhart C, Figarella-Branger D, Fouladi M, Fuller GN, Giannini C, Haberler C, Hawkins C, Komori T, Kros JM, Ng HK, Orr BA, Park SH, Paulus W, Perry A, Pietsch T, Reifenberger G, Rosenblum M, Rous B, Sahm F, Sarkar C, Solomon DA, Tabori U, van den Bent MJ, von Deimling A, Weller M, White VA, Ellison DW. cIMPACT-NOW update 6: new entity and diagnostic principle recommendations of the cIMPACT-Utrecht meeting on future CNS tumor classification and grading. Brain Pathol 2020; 30:844-856. PubMed
Ellison DW, Aldape KD, Capper D, Fouladi M, Gilbert MR, Gilbertson RJ, Hawkins C, Merchant T, Pajtler K, Venneti S, Louis DN. cIMPACT-NOW update 7: advancing the molecular classification of ependymal tumors. Brain Pathol 2020. PubMed
Brat DJ, Aldape K, Colman H, Figrarella-Branger D, Fuller GN, Giannini C, Holland EC, Jenkins RB, Kleinschmidt-DeMasters B, Komori T, Kros JM, Louis DN, McLean C, Perry A, Reifenberger G, Sarkar C, Stupp R, van den Bent MJ, von Deimling A, Weller M. cIMPACT-NOW update 5: recommended grading criteria and terminologies for IDH-mutant astrocytomas. Acta Neuropathol 2020; 139:603-608. PubMed
Louis DN. A half century of change in diagnostic neuropathology: from the giants of yore to current brain tumor classification. Hum Pathol 2019. PubMed
Louis DN, Wesseling P, Brandner S, Brat DJ, Ellison DW, Giangaspero F, Hattab EM, Hawkins C, Judge MJ, Kleinschmidt-DeMasters B, Komori T, McLean C, Paulus W, Perry A, Reifenberger G, Weller M, Rous B. Data Sets for the Reporting of Tumors of the Central Nervous System. Arch Pathol Lab Med 2019. PubMed
Louis DN, Ellison DW, Brat DJ, Aldape K, Capper D, Hawkins C, Paulus W, Perry A, Reifenberger G, Figarella-Branger D, von Deimling A, Wesseling P. cIMPACT-NOW: a practical summary of diagnostic points from Round 1 updates. Brain Pathol 2019. PubMed
Tanaka S, Batchelor TT, Iafrate AJ, Dias-Santagata D, Borger DR, Ellisen LW, Yang D, Louis DN, Cahill DP, Chi AS. PIK3CA activating mutations are associated with more disseminated disease at presentation and earlier recurrence in glioblastoma. Acta Neuropathol Commun 2019; 7:66. PubMed
Ellison DW, Hawkins C, Jones DTW, Onar-Thomas A, Pfister SM, Reifenberger G, Louis DN. cIMPACT-NOW update 4: diffuse gliomas characterized by MYB, MYBL1, or FGFR1 alterations or BRAF mutation. Acta Neuropathol 2019; 137:683-687. PubMed
Mortensen SJ, Menard EJ, Olson EB, Deng HC, Hasserjian R, Black-Schaffer WS, Pappadia T, Louis DN, Nazarian RM. Characterization of applicants for residency training in pathology: Does diversity exist? Ann Diagn Pathol 2019; 40:23-25. PubMed

Fritchie K, Jensch K, Moskalev EA, Caron A, Jenkins S, Link M, Brown PD, Rodriguez FJ, Guajardo A, Brat D, Velázquez Vega JE, Perry A, Wu A, Raleigh DR, Santagata S, Louis DN, Brastianos PK, Kaplan A, Alexander BM, Rossi S, Ferrarese F, Haller F, Giannini C. The impact of histopathology and NAB2-STAT6 fusion subtype in classification and grading of meningeal solitary fibrous tumor/hemangiopericytoma. Acta Neuropathol 2018. PubMed
Bale TA, Jordan JT, Rapalino O, Ramamurthy N, Jessop N, DeWitt JC, Nardi V, Martinez-Lage Alvarez M, Frosch M, Batchelor TT, Louis DN, Iafrate AJ, Cahill DP, Lennerz JK. Financially Effective Test-Algorithm to Identify an Aggressive, EGFR-amplified Variant of IDH-Wildtype, Lower-Grade Diffuse Glioma. 2018. PubMed
Flanagan ME, Keene CD, Louis DN, Juric-Sekhar G. Localized crystal-storing histiocytosis of the posterior fossa. Neuropathology 2018; 38:529-534. PubMed
Brat DJ, Aldape K, Colman H, Holland EC, Louis DN, Jenkins RB, Kleinschmidt-DeMasters BK, Perry A, Reifenberger G, Stupp R, von Deimling A, Weller M. cIMPACT-NOW update 3: recommended diagnostic criteria for "Diffuse astrocytic glioma, IDH-wildtype, with molecular features of glioblastoma, WHO grade IV". Acta Neuropathol 2018. PubMed
Shirahata M, Ono T, Stichel D, Schrimpf D, Reuss DE, Sahm F, Koelsche C, Wefers A, Reinhardt A, Huang K, Sievers P, Shimizu H, Nanjo H, Kobayashi Y, Miyake Y, Suzuki T, Adachi JI, Mishima K, Sasaki A, Nishikawa R, Bewerunge-Hudler M, Ryzhova M, Absalyamova O, Golanov A, Sinn P, Platten M, Jungk C, Winkler F, Wick A, Hänggi D, Unterberg A, Pfister SM, Jones DTW, van den Bent M, Hegi M, French P, Baumert BG, Stupp R, Gorlia T, Weller M, Capper D, Korshunov A, Herold-Mende C, Wick W, Louis DN, von Deimling A. Novel, improved grading system(s) for IDH-mutant astrocytic gliomas. Acta Neuropathol 2018; 136:153-166. PubMed
Louis DN. A feast of reviews about brain and pituitary tumor pathology. Brain Tumor Pathol 2018; 35:49-50. PubMed
Louis DN, Giannini C, Capper D, Paulus W, Figarella-Branger D, Lopes MB, Batchelor TT, Cairncross JG, van den Bent M, Wick W, Wesseling P. cIMPACT-NOW update 2: diagnostic clarifications for diffuse midline glioma, H3 K27M-mutant and diffuse astrocytoma/anaplastic astrocytoma, IDH-mutant. Acta Neuropathol 2018; 135:639-642. PubMed
Louis DN, Wesseling P, Paulus W, Giannini C, Batchelor TT, Cairncross JG, Capper D, Figarella-Branger D, Lopes MB, Wick W, van den Bent M. cIMPACT-NOW update 1: Not Otherwise Specified (NOS) and Not Elsewhere Classified (NEC). Acta Neuropathol 2018; 135:481-484. PubMed
von Deimling A, Ono T, Shirahata M, Louis DN. Grading of Diffuse Astrocytic Gliomas: A Review of Studies Before and After the Advent of IDH Testing. Semin Neurol 2018; 38:19-23. PubMed
Herrmann MD, Clunie DA, Fedorov A, Doyle SW, Pieper S, Klepeis V, Le LP, Mutter GL, Milstone DS, Schultz TJ, Kikinis R, Kotecha GK, Hwang DH, Andriole KP, Iafrate AJ, Brink JA, Boland GW, Dreyer KJ, Michalski M, Golden JA, Louis DN, Lennerz JK. Implementing the DICOM Standard for Digital Pathology. J Pathol Inform 2018; 9:37. PubMed
Goode B, Mondal G, Hyun M, Ruiz DG, Lin YH, Van Ziffle J, Joseph NM, Onodera C, Talevich E, Grenert JP, Hewedi IH, Snuderl M, Brat DJ, Kleinschmidt-DeMasters BK, Rodriguez FJ, Louis DN, Yong WH, Lopes MB, Rosenblum MK, Butowski N, Tihan T, Bollen AW, Phillips JJ, Wiita AP, Yeh I, Jacobson MP, Bastian BC, Perry A, Solomon DA. A recurrent kinase domain mutation in PRKCA defines chordoid glioma of the third ventricle. Nat Commun 2018; 9:810. PubMed
DeWitt JC, Jordan JT, Frosch MP, Samore WR, Iafrate AJ, Louis DN, Lennerz JK. Cost-effectiveness of IDH testing in diffuse gliomas according to the 2016 WHO classification of tumors of the central nervous system recommendations. 2017; 19:1640-1650. PubMed
DeWitt JC, Mock A, Louis DN. The 2016 WHO classification of central nervous system tumors: what neurologists need to know. Curr Opin Neurol 2017. PubMed
Louis DN, von Deimling A. Grading of diffuse astrocytic gliomas: Broders, Kernohan, Zülch, the WHO… and Shakespeare. Acta Neuropathol 2017. PubMed
Thomas AA, Abrey LE, Terziev R, Raizer J, Martinez NL, Forsyth P, Paleologos N, Matasar M, Sauter CS, Moskowitz C, Nimer SD, DeAngelis LM, Kaley T, Grimm S, Louis DN, Cairncross JG, Panageas KS, Briggs S, Faivre G, Mohile NA, Mehta J, Jonsson P, Chakravarty D, Gao J, Schultz N, Brennan CW, Huse JT, Omuro A. Multicenter Phase II Study of Temozolomide and Myeloablative Chemotherapy with Autologous Stem Cell Transplant for Newly Diagnosed Anaplastic Oligodendroglioma. 2017. PubMed
Bruner JM, Louis DN, McLendon R, Rosenblum MK, Archambault WT, Most S, Tihan T. The Utility of Expert Diagnosis in Surgical Neuropathology: Analysis of Consultations Reviewed at 5 National Comprehensive Cancer Network Institutions. J Neuropathol Exp Neurol 2017; 76:189-194. PubMed
Louis DN, Aldape K, Brat DJ, Capper D, Ellison DW, Hawkins C, Paulus W, Perry A, Reifenberger G, Figarella-Branger D, Wesseling P, Batchelor TT, Cairncross JG, Pfister SM, Rutkowski S, Weller M, Wick W, von Deimling A. Announcing cIMPACT-NOW: the Consortium to Inform Molecular and Practical Approaches to CNS Tumor Taxonomy. Acta Neuropathol 2017; 133:1-3. PubMed
Shankar GM, Abedalthagafi M, Vaubel RA, Merrill PH, Nayyar N, Gill CM, Brewster R, Bi WL, Agarwalla PK, Thorner AR, Reardon DA, Al-Mefty O, Wen PY, Alexander BM, van Hummelen P, Batchelor TT, Ligon KL, Ligon AH, Meyerson M, Dunn IF, Beroukhim R, Louis DN, Perry A, Carter SL, Giannini C, Curry WT, Cahill DP, Barker FG, Brastianos PK, Santagata S. Germline and somatic BAP1 mutations in high-grade rhabdoid meningiomas. 2017. PubMed
Louis DN, Aldape K, Brat DJ, Capper D, Ellison DW, Hawkins C, Paulus W, Perry A, Reifenberger G, Figarella-Branger D, Wesseling P, Batchelor TT, Gregory Cairncross J, Pfister SM, Rutkowski S, Weller M, Wick W, von Deimling A. cIMPACT-NOW (the consortium to inform molecular and practical approaches to CNS tumor taxonomy): a new initiative in advancing nervous system tumor classification. Brain Pathol 2016. PubMed
Aldape K, Nejad R, Louis DN, Zadeh G. Integrating molecular markers into the World Health Organization classification of CNS tumors: a survey of the neuro-oncology community. 2016. PubMed
Lennerz JK, McLaughlin HM, Baron JM, Rasmussen D, Sumbada Shin M, Berners-Lee N, Miller Batten J, Swoboda KJ, Gala MK, Winter HS, Schmahmann JD, Sweetser DA, Boswell M, Pacula M, Stenzinger A, Le LP, Hynes W, Rehm HL, Klibanski A, Black-Schaffer SW, Golden JA, Louis DN, Weiss ST, Iafrate AJ. Health Care Infrastructure for Financially Sustainable Clinical Genomics. J Mol Diagn 2016; 18:697-706. PubMed
Venteicher AS, Tirosh I, Hebert C, Escalante L, Martuza RL, Nahed BV, Curry WT, Cahill DP, Bernstein B, Louis DN, Regev A, Suva M. 142 Genetic and Nongenetic Determinants of Cellular Architecture in IDH1-Mutant Oligodendrogliomas and Astrocytomas Using Single-Cell Transcriptome Analysis. Neurosurgery 2016; 63 Suppl 1:158. PubMed
Ostrom QT, Gittleman H, Kruchko C, Louis DN, Brat DJ, Gilbert MR, Petkov VI, Barnholtz-Sloan JS. Completeness of required site-specific factors for brain and CNS tumors in the Surveillance, Epidemiology and End Results (SEER) 18 database (2004-2012, varying). J. Neurooncol. 2016. PubMed
Ho AL, Koch MJ, Tanaka S, Eichler AF, Batchelor TT, Tanboon J, Louis DN, Cahill DP, Chi AS, Curry WT. Impact of histopathological transformation and overall survival in patients with progressive anaplastic glioma. J Clin Neurosci 2016. PubMed
Brastianos PK, Shankar GM, Gill CM, Taylor-Weiner A, Nayyar N, Panka DJ, Sullivan RJ, Frederick DT, Abedalthagafi M, Jones PS, Dunn IF, Nahed BV, Romero JM, Louis DN, Getz G, Cahill DP, Santagata S, Curry WT, Barker FG. Dramatic Response of BRAF V600E Mutant Papillary Craniopharyngioma to Targeted Therapy. Journal of the National Cancer Institute 2016. PubMed
Chi AS, Cahill DP, Larvie M, Louis DN. Case 38-2016. A 52-Year-Old Woman with Recurrent Oligodendroglioma. N Engl J Med 2016; 375:2381-2389. PubMed
Tanboon J, Williams EA, Louis DN. The Diagnostic Use of Immunohistochemical Surrogates for Signature Molecular Genetic Alterations in Gliomas. J Neuropathol Exp Neurol 2015. PubMed
Cahill DP, Sloan AE, Nahed BV, Aldape KD, Louis DN, Ryken TC, Kalkanis SN, Olson JJ. The role of neuropathology in the management of patients with diffuse low grade glioma : A systematic review and evidence-based clinical practice guideline. J. Neurooncol. 2015; 125:531-49. PubMed
Brastianos PK, Carter SL, Santagata S, Cahill DP, Taylor-Weiner A, Jones RT, Van Allen EM, Lawrence MS, Horowitz PM, Cibulskis K, Ligon KL, Tabernero J, Seoane J, Martinez-Saez E, Curry WT, Dunn IF, Paek SH, Park SH, McKenna A, Chevalier A, Rosenberg M, Barker FG, Gill CM, Van Hummelen P, Thorner AR, Johnson BE, Hoang MP, Choueiri TK, Signoretti S, Sougnez C, Rabin MS, Lin NU, Winer EP, Stemmer-Rachamimov A, Meyerson M, Garraway L, Gabriel S, Lander ES, Beroukhim R, Batchelor TT, Baselga J, Louis DN, Getz G, Hahn WC. Genomic Characterization of Brain Metastases Reveals Branched Evolution and Potential Therapeutic Targets. 2015. PubMed
Shankar GM, Lelic N, Gill CM, Thorner AR, Van Hummelen P, Wisoff JH, Loeffler JS, Brastianos PK, Shin JH, Borges LF, Butler WE, Zagzag D, Brody RI, Duhaime AC, Taylor MD, Hawkins CE, Louis DN, Cahill DP, Curry WT, Meyerson M. BRAF alteration status and the histone H3F3A gene K27M mutation segregate spinal cord astrocytoma histology. Acta Neuropathol 2015. PubMed
Cahill DP, Louis DN, Cairncross JG. Molecular background of oligodendroglioma: 1p/19q, IDH, TERT, CIC and FUBP1. CNS Oncol 2015; 4:287-94. PubMed
Shankar GM, Francis JM, Rinne ML, Ramkissoon SH, Huang FW, Venteicher AS, Akama-Garren EH, Kang YJ, Lelic N, Kim JC, Brown LE, Charbonneau SK, Golby AJ, Sekhar Pedamallu C, Hoang MP, Sullivan RJ, Cherniack AD, Garraway LA, Stemmer-Rachamimov A, Reardon DA, Wen PY, Brastianos PK, Curry WT, Barker FG, Hahn WC, Nahed BV, Ligon KL, Louis DN, Cahill DP, Meyerson M. Rapid Intraoperative Molecular Characterization of Glioma. JAMA Oncol 2015. PubMed
Nigim F, Cavanaugh J, Patel AP, Curry WT, Esaki S, Kasper EM, Chi AS, Louis DN, Martuza RL, Rabkin SD, Wakimoto H. Targeting Hypoxia-Inducible Factor 1α in a New Orthotopic Model of Glioblastoma Recapitulating the Hypoxic Tumor Microenvironment. J Neuropathol Exp Neurol 2015; 74:710-22. PubMed
Louis DN, Feldman M, Carter AB, Dighe AS, Pfeifer JD, Bry L, Almeida JS, Saltz J, Braun J, Tomaszewski JE, Gilbertson JR, Sinard JH, Gerber GK, Galli SJ, Golden JA, Becich MJ. Computational Pathology. Arch Pathol Lab Med 2015. PubMed
Lym RL, Ostrom QT, Kruchko C, Couce M, Brat DJ, Louis DN, Barnholtz-Sloan JS. Completeness and concordancy of WHO grade assignment for brain and central nervous system tumors in the United States, 2004-2011. J. Neurooncol. 2015; 123:43-51. PubMed
Jones RT, Abedalthagafi MS, Brahmandam M, Greenfield EA, Hoang MP, Louis DN, Hornick JL, Santagata S. Cross-reactivity of the BRAF VE1 antibody with epitopes in axonemal dyneins leads to staining of cilia. Mod Pathol 2015; 28:596-606. PubMed
Panageas KS, Reiner AS, Iwamoto FM, Cloughesy TF, Aldape KD, Rivera AL, Eichler AF, Louis DN, Paleologos NA, Fisher BJ, Ashby LS, Cairncross JG, Urgoiti GB, Wen PY, Ligon KL, Schiff D, Robins HI, Rocque BG, Chamberlain MC, Mason WP, Weaver SA, Green RM, Kamar FG, Abrey LE, DeAngelis LM, Jhanwar SC, Rosenblum MK, Lassman AB. Recursive partitioning analysis of prognostic variables in newly diagnosed anaplastic oligodendroglial tumors. 2014; 16:1541-6. PubMed
Sullivan JP, Nahed BV, Madden MW, Oliveira SM, Springer S, Bhere D, Chi AS, Wakimoto H, Rothenberg SM, Sequist LV, Kapur R, Shah K, Iafrate AJ, Curry WT, Loeffler JS, Batchelor TT, Louis DN, Toner M, Maheswaran S, Haber DA. Brain tumor cells in circulation are enriched for mesenchymal gene expression. 2014. PubMed
Louis DN, Gerber GK, Baron JM, Bry L, Dighe AS, Getz G, Higgins JM, Kuo FC, Lane WJ, Michaelson JS, Le LP, Mermel CH, Gilbertson JR, Golden JA. Computational pathology: an emerging definition. Arch Pathol Lab Med 2014; 138:1133-8. PubMed
Louis DN, Perry A, Burger P, Ellison DW, Reifenberger G, von Deimling A, Aldape K, Brat D, Collins VP, Eberhart C, Figarella-Branger D, Fuller GN, Giangaspero F, Giannini C, Hawkins C, Kleihues P, Korshunov A, Kros JM, Beatriz Lopes M, Ng HK, Ohgaki H, Paulus W, Pietsch T, Rosenblum M, Rushing E, Soylemezoglu F, Wiestler O, Wesseling P, . International Society Of Neuropathology--Haarlem consensus guidelines for nervous system tumor classification and grading. Brain Pathol 2014; 24:429-35. PubMed
Patel AP, Tirosh I, Trombetta JJ, Shalek AK, Gillespie SM, Wakimoto H, Cahill DP, Nahed BV, Curry WT, Martuza RL, Louis DN, Rozenblatt-Rosen O, Suvà ML, Regev A, Bernstein BE. Single-cell RNA-seq highlights intratumoral heterogeneity in primary glioblastoma. Science 2014. PubMed
Mordes DA, Lynch K, Campbell S, Dias-Santagata D, Nose V, Louis DN, Hoang MP. VE1 antibody immunoreactivity in normal anterior pituitary and adrenal cortex without detectable BRAF V600E mutations. Am J Clin Pathol 2014; 141:811-5. PubMed
Suvà ML, Rheinbay E, Gillespie SM, Patel AP, Wakimoto H, Rabkin SD, Riggi N, Chi AS, Cahill DP, Nahed BV, Curry WT, Martuza RL, Rivera MN, Rossetti N, Kasif S, Beik S, Kadri S, Tirosh I, Wortman I, Shalek AK, Rozenblatt-Rosen O, Regev A, Louis DN, Bernstein BE. Reconstructing and reprogramming the tumor-propagating potential of glioblastoma stem-like cells. Cell 2014; 157:580-94. PubMed
Cho TA, Chi AS, Schaefer PW, Louis DN. Case records of the Massachusetts General Hospital. Case 8-2014. A 29-year-old man with headache, vomiting, and diplopia. N Engl J Med 2014; 370:1049-59. PubMed
Brastianos PK, Taylor-Weiner A, Manley PE, Jones RT, Dias-Santagata D, Thorner AR, Lawrence MS, Rodriguez FJ, Bernardo LA, Schubert L, Sunkavalli A, Shillingford N, Calicchio ML, Lidov HG, Taha H, Martinez-Lage M, Santi M, Storm PB, Lee JY, Palmer JN, Adappa ND, Scott RM, Dunn IF, Laws ER, Stewart C, Ligon KL, Hoang MP, Van Hummelen P, Hahn WC, Louis DN, Resnick AC, Kieran MW, Getz G, Santagata S. Exome sequencing identifies BRAF mutations in papillary craniopharyngiomas. Nat Genet 2014; 46:161-5. PubMed
Baron JM, Dighe AS, Arnaout R, Balis UJ, Black-Schaffer WS, Carter AB, Henricks WH, Higgins JM, Jackson BR, Kim J, Klepeis VE, Le LP, Louis DN, Mandelker D, Mermel CH, Michaelson JS, Nagarajan R, Platt ME, Quinn AM, Rao L, Shirts BH, Gilbertson JR. The 2013 symposium on pathology data integration and clinical decision support and the current state of field. J Pathol Inform 2014; 5:2. PubMed
Shankar GM, Taylor-Weiner A, Lelic N, Jones RT, Kim JC, Francis JM, Abedalthagafi M, Borges LF, Coumans JV, Curry WT, Nahed BV, Shin JH, Paek SH, Park SH, Stewart C, Lawrence MS, Cibulskis K, Thorner AR, Van Hummelen P, Stemmer-Rachamimov AO, Batchelor TT, Carter SL, Hoang MP, Santagata S, Louis DN, Barker FG, Meyerson M, Getz G, Brastianos PK, Cahill DP. Sporadic hemangioblastomas are characterized by cryptic VHL inactivation. Acta Neuropathol Commun 2014; 2:167. PubMed
Suvà ML, Louis DN. Next-generation molecular genetics of brain tumours. Curr Opin Neurol 2013; 26:681-7. PubMed
Routhier CA, Mochel MC, Lynch K, Dias-Santagata D, Louis DN, Hoang MP. Comparison of 2 monoclonal antibodies for immunohistochemical detection of BRAF V600E mutation in malignant melanoma, pulmonary carcinoma, gastrointestinal carcinoma, thyroid carcinoma, and gliomas. Hum Pathol 2013; 44:2563-70. PubMed
Song Y, Zhang Q, Kutlu B, Difilippantonio S, Bash R, Gilbert D, Yin C, O'Sullivan TN, Yang C, Kozlov S, Bullitt E, McCarthy KD, Kafri T, Louis DN, Miller CR, Hood L, Van Dyke T. Evolutionary etiology of high-grade astrocytomas. Proc Natl Acad Sci U S A 2013; 110:17933-8. PubMed
Rheinbay E, Suvà ML, Gillespie SM, Wakimoto H, Patel AP, Shahid M, Oksuz O, Rabkin SD, Martuza RL, Rivera MN, Louis DN, Kasif S, Chi AS, Bernstein BE. An aberrant transcription factor network essential for Wnt signaling and stem cell maintenance in glioblastoma. Cell Rep 2013; 3:1567-79. PubMed
Chi AS, Batchelor TT, Yang D, Dias-Santagata D, Borger DR, Ellisen LW, Iafrate AJ, Louis DN. BRAF V600E mutation identifies a subset of low-grade diffusely infiltrating gliomas in adults. J Clin Oncol 2013; 31:e233-6. PubMed
Ozkumur E, Shah AM, Ciciliano JC, Emmink BL, Miyamoto DT, Brachtel E, Yu M, Chen PI, Morgan B, Trautwein J, Kimura A, Sengupta S, Stott SL, Karabacak NM, Barber TA, Walsh JR, Smith K, Spuhler PS, Sullivan JP, Lee RJ, Ting DT, Luo X, Shaw AT, Bardia A, Sequist LV, Louis DN, Maheswaran S, Kapur R, Haber DA, Toner M. Inertial focusing for tumor antigen-dependent and -independent sorting of rare circulating tumor cells. Sci Transl Med 2013; 5:179ra47. PubMed
Brastianos PK, Horowitz PM, Santagata S, Jones RT, McKenna A, Getz G, Ligon KL, Palescandolo E, Van Hummelen P, Ducar MD, Raza A, Sunkavalli A, Macconaill LE, Stemmer-Rachamimov AO, Louis DN, Hahn WC, Dunn IF, Beroukhim R. Genomic sequencing of meningiomas identifies oncogenic SMO and AKT1 mutations. Nat Genet 2013; 45:285-9. PubMed
Tanaka S, Louis DN, Curry WT, Batchelor TT, Dietrich J. Diagnostic and therapeutic avenues for glioblastoma: no longer a dead end? Nat Rev Clin Oncol 2013; 10:14-26. PubMed
Louis DN. The next step in brain tumor classification: "Let us now praise famous men"… or molecules? Acta Neuropathol 2012. PubMed
Chi AS, Batchelor TT, Dias-Santagata D, Borger D, Stiles CD, Wang DL, Curry WT, Wen PY, Ligon KL, Ellisen L, Louis DN, Iafrate AJ. Prospective, high-throughput molecular profiling of human gliomas. J. Neurooncol. 2012; 110:89-98. PubMed
Panageas KS, Iwamoto FM, Cloughesy TF, Aldape KD, Rivera AL, Eichler AF, Louis DN, Paleologos NA, Fisher BJ, Ashby LS, Cairncross JG, Roldán Urgoiti GB, Wen PY, Ligon KL, Schiff D, Robins HI, Rocque BG, Chamberlain MC, Mason WP, Weaver SA, Green RM, Kamar FG, Abrey LE, Deangelis LM, Jhanwar SC, Rosenblum MK, Lassman AB. Initial treatment patterns over time for anaplastic oligodendroglial tumors. 2012; 14:761-7. PubMed
Horbinski C, Kofler J, Yeaney G, Camelo-Piragua S, Venneti S, Louis DN, Perry A, Murdoch G, Nikiforova M. Isocitrate dehydrogenase 1 analysis differentiates gangliogliomas from infiltrative gliomas. Brain Pathol 2011. PubMed
Mohapatra G, Engler DA, Starbuck KD, Kim JC, Bernay DC, Scangas GA, Rousseau A, Batchelor TT, Betensky RA, Louis DN. Genome-wide comparison of paired fresh frozen and formalin-fixed paraffin-embedded gliomas by custom BAC and oligonucleotide array comparative genomic hybridization: facilitating analysis of archival gliomas. Acta Neuropathol 2011; 121:529-43. PubMed
Schindler G, Capper D, Meyer J, Janzarik W, Omran H, Herold-Mende C, Schmieder K, Wesseling P, Mawrin C, Hasselblatt M, Louis DN, Korshunov A, Pfister S, Hartmann C, Paulus W, Reifenberger G, von Deimling A. Analysis of BRAF V600E mutation in 1,320 nervous system tumors reveals high mutation frequencies in pleomorphic xanthoastrocytoma, ganglioglioma and extra-cerebellar pilocytic astrocytoma. Acta Neuropathol 2011; 121:397-405. PubMed
Camelo-Piragua S, Jansen M, Ganguly A, Kim JC, Cosper AK, Dias-Santagata D, Nutt CL, Iafrate AJ, Louis DN. A sensitive and specific diagnostic panel to distinguish diffuse astrocytoma from astrocytosis: chromosome 7 gain with mutant isocitrate dehydrogenase 1 and p53. J Neuropathol Exp Neurol 2011; 70:110-5. PubMed
Jansen M, Yip S, Louis DN. Molecular pathology in adult gliomas: diagnostic, prognostic, and predictive markers. Lancet Neurol 2010; 9:717-26. PubMed
Batchelor TT, Duda DG, di Tomaso E, Ancukiewicz M, Plotkin SR, Gerstner E, Eichler AF, Drappatz J, Hochberg FH, Benner T, Louis DN, Cohen KS, Chea H, Exarhopoulos A, Loeffler JS, Moses MA, Ivy P, Sorensen AG, Wen PY, Jain RK. Phase II study of cediranib, an oral pan-vascular endothelial growth factor receptor tyrosine kinase inhibitor, in patients with recurrent glioblastoma. J Clin Oncol 2010; 28:2817-23. PubMed
van Eekelen M, Sasportas LS, Kasmieh R, Yip S, Figueiredo JL, Louis DN, Weissleder R, Shah K. Human stem cells expressing novel TSP-1 variant have anti-angiogenic effect on brain tumors. Oncogene 2010; 29:3185-95. PubMed
Dias-Santagata D, Akhavanfard S, David SS, Vernovsky K, Kuhlmann G, Boisvert SL, Stubbs H, McDermott U, Settleman J, Kwak EL, Clark JW, Isakoff SJ, Sequist LV, Engelman JA, Lynch TJ, Haber DA, Louis DN, Ellisen LW, Borger DR, Iafrate AJ. Rapid targeted mutational analysis of human tumours: a clinical platform to guide personalized cancer medicine. EMBO Mol Med 2010; 2:146-58. PubMed
Camelo-Piragua S, Jansen M, Ganguly A, Kim JC, Louis DN, Nutt CL. Mutant IDH1-specific immunohistochemistry distinguishes diffuse astrocytoma from astrocytosis. Acta Neuropathol 2010; 119:509-11. PubMed
Zhang X, Gejman R, Mahta A, Zhong Y, Rice KA, Zhou Y, Cheunsuchon P, Louis DN, Klibanski A. Maternally expressed gene 3, an imprinted noncoding RNA gene, is associated with meningioma pathogenesis and progression. Cancer Res 2010; 70:2350-8. PubMed
Rothenberg SM, Mohapatra G, Rivera MN, Winokur D, Greninger P, Nitta M, Sadow PM, Sooriyakumar G, Brannigan BW, Ulman MJ, Perera RM, Wang R, Tam A, Ma XJ, Erlander M, Sgroi DC, Rocco JW, Lingen MW, Cohen EE, Louis DN, Settleman J, Haber DA. A genome-wide screen for microdeletions reveals disruption of polarity complex genes in diverse human cancers. Cancer Res 2010; 70:2158-64. PubMed
Colman H, Zhang L, Sulman EP, McDonald JM, Shooshtari NL, Rivera A, Popoff S, Nutt CL, Louis DN, Cairncross JG, Gilbert MR, Phillips HS, Mehta MP, Chakravarti A, Pelloski CE, Bhat K, Feuerstein BG, Jenkins RB, Aldape K. A multigene predictor of outcome in glioblastoma. 2010; 12:49-57. PubMed
Desantis SM,Houseman EA,Coull BA,Louis DN,Mohapatra G,Betensky RA. A Latent Class Model with Hidden Markov Dependence for Array CGH Data. Biometrics 2009; 65:1296-305. PubMed
Wilbur DC, Madi K, Colvin RB, Duncan LM, Faquin WC, Ferry JA, Frosch MP, Houser SL, Kradin RL, Lauwers GY, Louis DN, Mark EJ, Mino-Kenudson M, Misdraji J, Nielsen GP, Pitman MB, Rosenberg AE, Smith RN, Sohani AR, Stone JR, Tambouret RH, Wu CL, Young RH, Zembowicz A, Klietmann W. Whole-slide imaging digital pathology as a platform for teleconsultation: a pilot study using paired subspecialist correlations. Arch Pathol Lab Med 2009; 133:1949-53. PubMed
Snuderl M, Eichler AF, Ligon KL, Vu QU, Silver M, Betensky RA, Ligon AH, Wen PY, Louis DN, Iafrate AJ. Polysomy for chromosomes 1 and 19 predicts earlier recurrence in anaplastic oligodendrogliomas with concurrent 1p/19q loss. Clin Cancer Res 2009; 15:6430-7. PubMed
Gabeau-Lacet D, Engler D, Gupta S, Scangas GA, Betensky RA, Barker FG, Loeffler JS, Louis DN, Mohapatra G. Genomic profiling of atypical meningiomas associates gain of 1q with poor clinical outcome. J Neuropathol Exp Neurol 2009; 68:1155-65. PubMed
Gabeau-Lacet D,Aghi M,Betensky RA,Barker FG,Loeffler JS,Louis DN. Bone involvement predicts poor outcome in atypical meningioma. J Neurosurg 2009; 111:464-71. PubMed
Koga T,Morita A,Maruyama K,Tanaka M,Ino Y,Shibahara J,Louis DN,Reifenberger G,Itami J,Hara R,Saito N,Todo T. Long-term control of disseminated pleomorphic xanthoastrocytoma with anaplastic features by means of stereotactic irradiation. Neuro-oncol 2009; 11:446-51. PubMed
Yip S, Miao J, Cahill DP, Iafrate AJ, Aldape K, Nutt CL, Louis DN. MSH6 mutations arise in glioblastomas during temozolomide therapy and mediate temozolomide resistance. Clin Cancer Res 2009; 15:4622-9. PubMed
Aghi MK,Batchelor TT,Louis DN,Barker FG 2nd,Curry WT Jr. Decreased rate of infection in glioblastoma patients with allelic loss of chromosome 10q. J Neurooncol 2009; 93:115-20. PubMed
Du J,Bernasconi P,Clauser KR,Mani DR,Finn SP,Beroukhim R,Burns M,Julian B,Peng XP,Hieronymus H,Maglathlin RL,Lewis TA,Liau LM,Nghiemphu P,Mellinghoff IK,Louis DN,Loda M,Carr SA,Kung AL,Golub TR. Bead-based profiling of tyrosine kinase phosphorylation identifies SRC as a potential target for glioblastoma therapy. Nat Biotechnol 2009; 27:77-83. PubMed
Stamoulis C, Betensky RA, Mohapatra G, Louis DN. Application of signal processing techniques for estimating regions of copy number variations in human meningioma DNA. Conf Proc IEEE Eng Med Biol Soc 2009; 2009:6973-6. PubMed
Lawlor MW, Nielsen GP, Louis DN. Malignant solitary fibrous tumour of the meninges with marked amianthoid fibre deposition. Neuropathol Appl Neurobiol 2008; 34:569-72. PubMed
Stegh AH,Chin L,Louis DN,DePinho RA. What drives intense apoptosis resistance and propensity for necrosis in glioblastoma? A role for Bcl2L12 as a multifunctional cell death regulator. Cell Cycle 2008; 7:2833-9. PubMed
Mohile NA, Forsyth P, Stewart D, Raizer JJ, Paleologos N, Kewalramani T, Louis DN, Cairncross JG, Abrey LE. A phase II study of intensified chemotherapy alone as initial treatment for newly diagnosed anaplastic oligodendroglioma: an interim analysis. J Neurooncol 2008; 89:187-93. PubMed
Stegh AH,Kesari S,Mahoney JE,Jenq HT,Forloney KL,Protopopov A,Louis DN,Chin L,DePinho RA. Bcl2L12-mediated inhibition of effector caspase-3 and caspase-7 via distinct mechanisms in glioblastoma. Proc Natl Acad Sci U S A 2008; 105:10703-8. PubMed
Iafrate AJ,Louis DN. "MGMT for pt mgmt": is methylguanine-DNA methyltransferase testing ready for patient management? J Mol Diagn 2008; 10:308-10. PubMed
de la Iglesia N,Konopka G,Lim KL,Nutt CL,Bromberg JF,Frank DA,Mischel PS,Louis DN,Bonni A. Deregulation of a STAT3-interleukin 8 signaling pathway promotes human glioblastoma cell proliferation and invasiveness. J Neurosci 2008; 28:5870-8. PubMed
Yip S, Iafrate AJ, Louis DN. Molecular diagnostic testing in malignant gliomas: a practical update on predictive markers. J Neuropathol Exp Neurol 2008; 67:1-15. PubMed
Betensky RA, Louis DN, Cairncross JG. Tests of association under misclassification: Application to histological sampling in oncology. Stat Med 2007; 26:4808-16. PubMed
Furnari FB, Fenton T, Bachoo RM, Mukasa A, Stommel JM, Stegh A, Hahn WC, Ligon KL, Louis DN, Brennan C, Chin L, DePinho RA, Cavenee WK. Malignant astrocytic glioma: genetics, biology, and paths to treatment. Genes Dev 2007; 21:2683-710. PubMed
Louis DN, Ohgaki H, Wiestler OD, Cavenee WK, Burger PC, Jouvet A, Scheithauer BW, Kleihues P. The 2007 WHO classification of tumours of the central nervous system. Acta Neuropathol 2007; 114:97-109. PubMed
Abrey LE, Louis DN, Paleologos N, Lassman AB, Raizer JJ, Mason W, Finlay J, Macdonald DR, Deangelis LM, Cairncross JG. Survey of treatment recommendations for anaplastic oligodendroglioma. Neuro-oncol 2007; 9:314-8. PubMed
Cahill DP, Levine KK, Betensky RA, Codd PJ, Romany CA, Reavie LB, Batchelor TT, Futreal PA, Stratton MR, Curry WT, Iafrate AJ, Louis DN. Loss of the mismatch repair protein MSH6 in human glioblastomas is associated with tumor progression during temozolomide treatment. Clin Cancer Res 2007; 13:2038-45. PubMed
Greenman C, Stephens P, Smith R, Dalgliesh GL, Hunter C, Bignell G, Davies H, Teague J, Butler A, Stevens C, Edkins S, O'Meara S, Vastrik I, Schmidt EE, Avis T, Barthorpe S, Bhamra G, Buck G, Choudhury B, Clements J, Cole J, Dicks E, Forbes S, Gray K, Halliday K, Harrison R, Hills K, Hinton J, Jenkinson A, Jones D, Menzies A, Mironenko T, Perry J, Raine K, Richardson D, Shepherd R, Small A, Tofts C, Varian J, Webb T, West S, Widaa S, Yates A, Cahill DP, Louis DN, Goldstraw P, Nicholson AG, Brasseur F, Looijenga L, Weber BL, Chiew YE, DeFazio A, Greaves MF, Green AR, Campbell P, Birney E, Easton DF, Chenevix-Trench G, Tan MH, Khoo SK, Teh BT, Yuen ST, Leung SY, Wooster R, Futreal PA, Stratton MR. Patterns of somatic mutation in human cancer genomes. Nature 2007; 446:153-8. PubMed
Ligon KL, Huillard E, Mehta S, Kesari S, Liu H, Alberta JA, Bachoo RM, Kane M, Louis DN, Depinho RA, Anderson DJ, Stiles CD, Rowitch DH. Olig2-regulated lineage-restricted pathway controls replication competence in neural stem cells and malignant glioma. Neuron 2007; 53:503-17. PubMed
Mueller W, Nutt CL, Ehrich M, Riemenschneider MJ, von Deimling A, van den Boom D, Louis DN. Downregulation of RUNX3 and TES by hypermethylation in glioblastoma. Oncogene 2007; 26:583-93. PubMed
Stegh AH, Kim H, Bachoo RM, Forloney KL, Zhang J, Schulze H, Park K, Hannon GJ, Yuan J, Louis DN, DePinho RA, Chin L. Bcl2L12 inhibits post-mitochondrial apoptosis signaling in glioblastoma. Genes Dev 2007; 21:98-111. PubMed
Batchelor TT, Sorensen AG, di Tomaso E, Zhang WT, Duda DG, Cohen KS, Kozak KR, Cahill DP, Chen PJ, Zhu M, Ancukiewicz M, Mrugala MM, Plotkin S, Drappatz J, Louis DN, Ivy P, Scadden DT, Benner T, Loeffler JS, Wen PY, Jain RK. AZD2171, a pan-VEGF receptor tyrosine kinase inhibitor, normalizes tumor vasculature and alleviates edema in glioblastoma patients. Cancer Cell 2007; 11:83-95. PubMed
Rousseau A, Nutt CL, Betensky RA, Iafrate AJ, Han M, Ligon KL, Rowitch DH, Louis DN. Expression of oligodendroglial and astrocytic lineage markers in diffuse gliomas: use of YKL-40, ApoE, ASCL1, and NKX2-2. J Neuropathol Exp Neurol 2006; 65:1149-56. PubMed
Maher EA, Brennan C, Wen PY, Durso L, Ligon KL, Richardson A, Khatry D, Feng B, Sinha R, Louis DN, Quackenbush J, Black PM, Chin L, DePinho RA. Marked genomic differences characterize primary and secondary glioblastoma subtypes and identify two distinct molecular and clinical secondary glioblastoma entities. Cancer Res 2006; 66:11502-13. PubMed
Mizoguchi M, Betensky RA, Batchelor TT, Bernay DC, Louis DN, Nutt CL. Activation of STAT3, MAPK, and AKT in malignant astrocytic gliomas: correlation with EGFR status, tumor grade, and survival. J Neuropathol Exp Neurol 2006; 65:1181-8. PubMed
Fulci G, Breymann L, Gianni D, Kurozomi K, Rhee SS, Yu J, Kaur B, Louis DN, Weissleder R, Caligiuri MA, Chiocca EA. Cyclophosphamide enhances glioma virotherapy by inhibiting innate immune responses. Proc Natl Acad Sci U S A 2006; 103:12873-8. PubMed
Iliopoulos O, Chan-Smutko G, Gonzalez RG, Louis DN, Stone JR. Case records of the Massachusetts General Hospital. Case 23-2006. A 36-year-old man with numbness in the right hand and hypertension. N Engl J Med 2006; 355:394-402. PubMed
Sequist LV, Joshi VA, Jänne PA, Bell DW, Fidias P, Lindeman NI, Louis DN, Lee JC, Mark EJ, Longtine J, Verlander P, Kucherlapati R, Meyerson M, Haber DA, Johnson BE, Lynch TJ. Epidermal growth factor receptor mutation testing in the care of lung cancer patients. Clin Cancer Res 2006; 12:4403s-8s. PubMed
Engler DA, Mohapatra G, Louis DN, Betensky RA. A pseudolikelihood approach for simultaneous analysis of array comparative genomic hybridizations. Biostatistics 2006; 7:399-421. PubMed
Riemenschneider MJ, Betensky RA, Pasedag SM, Louis DN. AKT activation in human glioblastomas enhances proliferation via TSC2 and S6 kinase signaling. Cancer Res 2006; 66:5618-23. PubMed
Mohapatra G, Betensky RA, Miller ER, Carey B, Gaumont LD, Engler DA, Louis DN. Glioma test array for use with formalin-fixed, paraffin-embedded tissue: array comparative genomic hybridization correlates with loss of heterozygosity and fluorescence in situ hybridization. J Mol Diagn 2006; 8:268-76. PubMed
Hunter C, Smith R, Cahill DP, Stephens P, Stevens C, Teague J, Greenman C, Edkins S, Bignell G, Davies H, O'Meara S, Parker A, Avis T, Barthorpe S, Brackenbury L, Buck G, Butler A, Clements J, Cole J, Dicks E, Forbes S, Gorton M, Gray K, Halliday K, Harrison R, Hills K, Hinton J, Jenkinson A, Jones D, Kosmidou V, Laman R, Lugg R, Menzies A, Perry J, Petty R, Raine K, Richardson D, Shepherd R, Small A, Solomon H, Tofts C, Varian J, West S, Widaa S, Yates A, Easton DF, Riggins G, Roy JE, Levine KK, Mueller W, Batchelor TT, Louis DN, Stratton MR, Futreal PA, Wooster R. A hypermutation phenotype and somatic MSH6 mutations in recurrent human malignant gliomas after alkylator chemotherapy. Cancer Res 2006; 66:3987-91. PubMed
Dahiya S, Sarkar C, Hedley-Whyte ET, Sharma MC, Zervas NT, Sridhar E, Louis DN. Spindle cell oncocytoma of the adenohypophysis: report of two cases. Acta Neuropathol 2005; 110:97-9. PubMed
Lynch TJ, Bell DW, Sordella R, Gurubhagavatula S, Okimoto RA, Brannigan BW, Harris PL, Haserlat SM, Supko JG, Haluska FG, Louis DN, Christiani DC, Settleman J, Haber DA. Activating mutations in the epidermal growth factor receptor underlying responsiveness of non-small-cell lung cancer to gefitinib. N Engl J Med 2004; 350:2129-39. PubMed
Bachoo RM, Maher EA, Ligon KL, Sharpless NE, Chan SS, You MJ, Tang Y, DeFrances J, Stover E, Weissleder R, Rowitch DH, Louis DN, DePinho RA. Epidermal growth factor receptor and Ink4a/Arf: convergent mechanisms governing terminal differentiation and transformation along the neural stem cell to astrocyte axis. Cancer Cell 2002; 1:269-77. PubMed

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David N. Louis, MD

Massachusetts General Hospital

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David N. Louis, MD

Massachusetts General Hospital

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