Oncology Experts

Xiao-jiang Gao

Senior Scientist
Cancer and Inflammation Program, CCR
National Cancer Institute
United States of America


Dr. Gao graduated from Beijing Second Medical College, China. After a brief residency he started his research career at the Beijing Lung Tumor Institute. From 1986-1990 he was a visiting research fellow in the South Western Medical Center in Dallas, Texas. He went on to become a Ph.D. scholar at the John Curtin School of Medical Research, Australian National University in Canberra, Australia and received his Ph.D. in human genetics in 1993. Dr. Gao is currently a senior scientist with Leidos Biomedical, Inc., and works in the Cancer and Inflammation Inflammation Program. His research interests are mainly focused on the genetic diversity of human populations and its impact on diseases, in particular, the polymorphism of MHC genes and its interaction with killer immunoglobulin-like receptors (KIR) genes.

Research Interest

1) Human leukocyte antigen (HLA), 2) Major histocompatibility complex (MHC), 3) Killer cell immunoglobulin-like receptors (KIR), 4) Characterization of the genetic diversity of HLA genes,5) Interaction between MHC and KIR and its impact on cancer and infectious disease.


  • Association of HLA-DRB1-restricted CD4? T cell responses with HIV immune control.

  • LILRB2 interaction with HLA class I correlates with control of HIV-1 infection.

  • Associations between human leukocyte antigen class I variants and the Mycobacterium tuberculosis subtypes causing disease.

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