Welcome to XDBio

XDBio is a PhD program in biomedical sciences at the Johns Hopkins University School of Medicine that aims to provide individualized training and to facilitate interdisciplinary research bridging biology, engineering,
computer science, physics, chemistry, and medicine.
Students train in labs at Johns Hopkins University and
the Howard Hughes Medical Institute’s Janelia Research Campus.


Beyene Lab

Beyene Lab

Johnson Lab

Johnson Lab

Voigts Lab

Voigts Lab



  • Graduate training designed for motivated students, which accelerates their path to independent research.
  • XDBio Program Fellowships give students the freedom to pursue individualized research questions and interface with labs across the entire University.
  • Individualized curriculum emphasizes specialized knowledge tailored to the student’s research disciplines.
  • One-on-one guidance and mentoring at the interface of distinct synergistic fields.


Aug 17

🎉🎉Congratulations to Amanda Johnson for being awarded with NIH F99 Predoctoral to Postdoctoral Fellow Transition Award. XDBio is so proud of... Read More


Joynt AT, Kavanagh EW, Newby GA, Mitchell S, Eastman AC, Paul KC, Bowling AD, Osorio DL, Merlo CA, Patel SU, Raraigh KS, Liu DR, Sharma N, Cutting GR. Protospacer modification improves base editing of a canonical splice site variant and recovery of CFTR function in human airway epithelial cells. Mol Ther Nucleic Acids. 2023 Jun 29;33:335-350. doi: 10.1016/j.omtn.2023.06.020. PMID: 37547293; PMCID: PMC10400809.

Shinder, I., Hu, R., Ji, H.J. et al. EASTR: Identifying and eliminating systematic alignment errors in multi-exon genes. Nat Commun 14, 7223 (2023). https://doi.org/10.1038/s41467-023-43017-4

Yeung-Luk BH, Wally A, Swaby C, Jauregui S, Lee E, Zhang R, Chen D, Luk SH, Upadya N, Tieng E, Wilmsen K, Sherman E, Sudhakar D, Luk M, Shrivastav AK, Cao S, Ghosh B, Christenson SA, Huang YJ, Ortega VE, Biswal S, Tang WY, Sidhaye VK. Epigenetic Reprogramming Drives Epithelial Disruption in COPD. Am J Respir Cell Mol Biol. 2023 Nov 17. doi: 10.1165/rcmb.2023-0147OC. Epub ahead of print. PMID: 37976469.