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School of Medicine

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  • Nicholas Antonios Kalogriopoulos

    Nicholas Antonios Kalogriopoulos

    Postdoctoral Research Fellow, Genetics

    Bio Nick's broad research interests are in developing tools and technologies for research and therapeutic applications. Nick obtained a B.S. in Genetics and Molecular Biology from the University of Wisconsin-Madison. During his undergraduate career, he trained with Dr. Paul Sondel, where he worked on preclinical testing of novel immunotherapeutic agents for the treatment of neuroblastoma. He obtained a Ph.D. in Biomedical Science with Dr. Pradipta Ghosh, elucidating the structural basis of non-canonical G protein activation by a novel protein family of Guanine Nucleotide Exchange Modulators (GEMs). As a Postdoctoral Researcher with Professor Alice Ting at Stanford University, his current research focuses on developing a new system for programmable and user-controlled cellular behaviors for immuno-oncology applications.

  • Saswati Karmakar

    Saswati Karmakar

    Postdoctoral Research Fellow, Genetics

    Bio Saswati Karmakar obtained her undergraduate degree in Biotechnology at Guru Gobind Singh Indraprastha University, New Delhi. She pursued her Ph.D. in Biochemistry and Molecular Biology at the University of Nebraska Medical Center, Omaha, working on the molecular characterization of pancreatic cancer stem cells and their contribution to cancer initiation and progression. Then, she moved to Stanford University with the National Cancer Institute's F99/K00 award for a postdoctoral position in Monte Winslow's lab. Saswati's current research explores the role of tumor suppressor genes in pancreatic cancer pathogenesis.

  • Christina Kim

    Christina Kim

    Postdoctoral Research Fellow, Genetics

    Current Research and Scholarly Interests Simultaneous recording and manipulation of neural activity:

    I actively pursue the development and application of techniques for all-optical recording and manipulation of neural activity in living animals. During my PhD I developed a microscope capable of performing bulk calcium recording and optogenetic stimulation in freely moving animals (Frame-projected Independent-fiber Photometry). We demonstrated its utility by recording from sparse dopaminergic axon terminals distributed throughout the brain during rewarding versus aversive stimuli, and by recording from up to 7 different brain regions during a social interaction test. Using simultaneous optogenetics and calcium recording, we could then fine-tune the optogenetic stimulation of dopamine neurons to produce activity that mimicked the naturally-occurring response profiles during behavior. This work was published in Nature Methods, and has been patented and licensed to a company that has commercialized the microscope (

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