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James F Powers Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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Brent Cochran Department of Developmental, Molecular and Chemical Biology

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James D Baleja Department of Developmental, Molecular and Chemical Biology

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Hadley D Sikes Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Andrew D Pattison Department of Clinical Pathology, University of Melbourne, Melbourne, Victoria, Australia

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Xue Zhang Department of Developmental, Molecular and Chemical Biology

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Inna Lomakin Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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Annette Shepard-Barry Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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Karel Pacak Section on Medical Neuroendocrinology, Eunice Kennedy Shriver Division National Institute of Child Health and Human Development, Bethesda, Maryland, USA

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Sun Jin Moon Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Troy F Langford Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Kassi Taylor Stein Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Richard W Tothill Department of Clinical Pathology, University of Melbourne, Melbourne, Victoria, Australia
Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia

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Yingbin Ouyang Cyagen US Inc, Santa Clara, California, USA

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Arthur S Tischler Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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Tumors caused by loss-of-function mutations in genes encoding TCA cycle enzymes have been recently discovered and are now of great interest. Mutations in succinate dehydrogenase (SDH) subunits cause pheochromocytoma/paraganglioma (PCPG) and syndromically associated tumors, which differ phenotypically and clinically from more common SDH-intact tumors of the same types. Consequences of SDH deficiency include rewired metabolism, pseudohypoxic signaling and altered redox balance. PCPG with SDHB mutations are particularly aggressive, and development of treatments has been hampered by lack of valid experimental models. Attempts to develop mouse models have been unsuccessful. Using a new strategy, we developed a xenograft and cell line model of SDH-deficient pheochromocytoma from rats with a heterozygous germline Sdhb mutation. The genome, transcriptome and metabolome of this model, called RS0, closely resemble those of SDHB-mutated human PCPGs, making it the most valid model now available. Strategies employed to develop RS0 may be broadly applicable to other SDH-deficient tumors.

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James F Powers Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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Brent Cochran Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts, USA

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James D Baleja Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts, USA

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Hadley D Sikes Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Andrew D Pattison Department of Clinical Pathology, University of Melbourne, Melbourne, Victoria, Australia

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Xue Zhang Department of Developmental, Molecular and Chemical Biology, Tufts University School of Medicine, Boston, Massachusetts, USA

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Inna Lomakin Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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Annette Shepard-Barry Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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Karel Pacak Section on Medical Neuroendocrinology, Eunice Kennedy Shriver Division National Institute of Child Health and Human Development, Bethesda, Maryland, USA

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Sun Jin Moon Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Troy F Langford Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Kassi Taylor Stein Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA

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Richard W Tothill Department of Clinical Pathology, University of Melbourne, Melbourne, Victoria, Australia
Peter MacCallum Cancer Centre, Melbourne, Victoria, Australia

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Yingbin Ouyang Cyagen US Inc, Santa Clara, California, USA

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Arthur S Tischler Department of Pathology and Laboratory Medicine, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA

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