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The lab mission is to develop molecular and cellular solutions addressing important challenges in biomedical science and clinical medicine. We create small molecules, engineered proteins and cell-based tools that can "light up" and control in vivo biology using principles of chemical and synthetic biology.

When possible, our technologies are translated to the clinic using nuclear medicine and molecular imaging techniques. For example, our group recently pioneered the development, preclinical testing, and human application of a new class of positron emission tomography (PET) radiotracers based on the small molecule antibiotic trimethoprim. These molecules have diverse applications in our broad fields of investigation including cancer biology, immunology, and infectious disease.

Faculty And Staff

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Mark Sellmyer, MD, PHD

Assistant Professor of Radiology
Assistant Professor of Biochemistry and Biophysics

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Ahbilasha Gupta


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Catherine Hou


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Daniel Jacome

Graduate Student

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Justin D. Northrup

Post Doc

Recent Publications

1. Sellmyer, M. A. et al. Visualizing cellular interactions with a generalized proximity reporter. Proc. Natl. Acad. Sci. U.S.A. 110, 8567–8572 (2013).

2. Sellmyer, M. A. et al. Quantitative PET Reporter Gene Imaging with [11C]Trimethoprim. Mol Ther.25, 120–126 (2017).

3. Sellmyer, M. A. et al. Bacterial infection imaging with [18F]fluoropropyl-trimethoprim. Proc. Natl. Acad. Sci. U.S.A. 114, 8372–8377 (2017).

Contact Us

Sellmyer Lab (MCTL)
Perelman School of Medicine at the University of Pennsylvania
813A (Office) 815 (Lab) Stellar-Chance Labs
422 Curie Boulevard
Philadelphia PA

Phone: 215-573-3212
Fax: 215-746-8233


Learn more about the MCTL

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