Center for Cancer Research

To improve the lives of cancer patients by solving important, challenging and neglected problems in cancer research and patient care.

Join us!

Post-doctoral Fellow - Cancer Stem Cells of Liver Cancer and Tumor Immunology

Job Description:

Position is with:

A postdoctoral fellowship position is available in the area of cancer biology/stem cell biology/ tumor immunology. The position is in the laboratory of Changqing Xie, M.D., Ph.D., Physician-Scientist Early Investigator, Thoracic and GI Malignancies Branch within the Center for Cancer Research (CCR) of the National Cancer Institute (NCI), National Institutes of Health (NIH), in Bethesda, Maryland. Candidates are sought to join a basic and translational, collaborative research program focused on immunotherapy resistance contributed by cancer stem cells of cholangiocarcinoma. The laboratory is within the broader NCI community, which provides a vibrant and enriching environment for research in immunology, immunotherapy, and cancer biology with ready access to numerous cutting-edge technologies. 

Research focus

My research focuses on cancer stem cell-immune interaction in the cholangiocarcinoma tumor microenvironment. We are utilizing cellular/molecular immunologic tools and animal models to address translational questions with direct relevance for improving outcomes of patients with advanced cholangiocarcinoma.


Candidates must have a Ph.D. or M.D. degree and less than three years of postdoctoral experience. Foreign applicants will need to qualify for a J-1 visa or have permanent U.S. residency status. Proficiency in oral and written English is required. Applicants with a strong background in cancer cell biology or molecular biology, immunology, and animal study experience are encouraged to apply. Highly motivated candidates should send a curriculum vitae, statement of research background and interest, and names and contact information for three references. Please note I can only accept applicants with less than 3 years of post-doctoral experience.

Qualifications and Job Details:

  • Degree Required:
    • Ph.D. or equivalent
    • M.D. or equivalent
  • Location: Bethesda, Maryland
  • Appointment Type: Training Position
  • Work Schedule: Full-time position
  • Citizenship: US Citizenship not required - (ie, permanent resident, visa)
  • Stipend: Commensurate with experience


Skills in cell culture, RT-PCR, molecular cloning, Western blot, flowcytometry, immunohistochemistry, lentiviral vector transfection, siRNA and experience working with animal models 

About the NCI Center for Cancer Research:

The Center for Cancer Research (CCR) is home to nearly 250 basic and clinical research groups located on two campuses just outside of Washington, D.C. CCR is part of the National Cancer Institute (NCI) and makes up the largest component of the research effort at the National Institutes of Health (NIH). Centrally supported by long-term funding and a culture of complete intellectual freedom, CCR scientists are able to pursue the most important and challenging problems in cancer research. We collaborate with academic and commercial partners and advocacy groups across the world in efforts to prevent, diagnose and treat cancer and HIV/AIDS. The CCR research portfolio covers the full spectrum of biological and biomedical research. Our work ranges from basic to translational and clinical, and our clinical trials are conducted in the NIH Clinical Center, the world’s largest hospital dedicated to clinical research that offers a robust infrastructure to support CCR’s patients on an estimated 250 open studies. The success of CCR is grounded in an exceptionally strong discovery research program that provides the foundation for the seamless translation of insights from bench to bedside. Read more about CCR, the benefits of working at CCR and hear from our staff on their CCR experiences.

Bethesda is one of the most highly educated communities in the United States and has a nationally renowned school system. The city is a thriving suburban center close to Washington, D.C., and home to many restaurants, retailers and a flourishing arts and entertainment district.

How to Apply:

  • CV/Resume
  • Three References
  • Cover Letter
  • Summary of Research Experience

Contact Name: Changqing Xie

Contact Email:

For questions contact: Changqing Xie,

HHS, NIH, and NCI are Equal Opportunity Employers