School of Medicine

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  • Philip C. Hanawalt

    Philip C. Hanawalt

    Dr. Morris Herzstein Professor in Biology and Professor of Dermatology

    Current Research and Scholarly Interests Our current research focuses in two principal areas:

    1. The molecular basis for diseases in which the pathway of transcription-coupled DNA repair is defective, including Cockyne syndrome (CS) and UV-sensitive syndrome (UVSS). Patients are severely sensitive to sunlight but get no cancers. See Hanawalt & Spivak, 2008, for review.

    2. Transcription arrest by guanine-rich DNA sequences and non-canonical secondary structures. Transcription collisions with replication forks.

  • S. Tyler Hollmig, MD

    S. Tyler Hollmig, MD

    Clinical Assistant Professor, Dermatology

    Bio S. Tyler Hollmig is Clinical Assistant Professor of Mohs and Dermatologic Surgery and Director of Laser and Aesthetic Dermatology at Stanford University. Dr. Hollmig earned a Bachelor of Arts degree from Duke University, graduating magna cum laude. He then attended medical school at the University of Texas Southwestern and graduated as valedictorian. Dr. Hollmig received his dermatology residency training at Stanford, and subsequently completed a fellowship in advanced dermatologic and Mohs Micrographic surgery at the Medical University of South Carolina in Charleston, South Carolina, before returning to join the faculty at Stanford.

    Dr. Hollmig has published numerous articles on topics including advanced surgical reconstruction, cutaneous oncology, and laser and aesthetic dermatology in top tier dermatology and plastic surgery journals, and lectures at both regional and national meetings. His clinical interests include Mohs Micrographic Surgery and complex reconstruction, high-risk nonmelanoma skin cancers, and laser and aesthetic dermatology, including development of novel approaches to skin rejuvenation.