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St. Jude Children's Research Hospital Home
St. Jude Family of Websites
Explore our cutting edge research, world-class patient care, career opportunities and more.
St. Jude Children's Research Hospital Home
Development and application of integrative approaches to understand childhood immune development, immune perturbations from disease and treatment, and host-pathogen interactions
Elucidating the underlying mechanisms of complex biological systems requires integrative approaches that often span multiple disciplines. The JCC lab focuses on developing and applying next-generation molecular, and complementary computational, approaches to comprehensively characterize human immunotypes. The primary goal is to utilize these approaches in an integrative manner with population-level sampling in order to study how the human immune system develops throughout early life. In generating these normal reference distributions of childhood immune variation, we also work closely with clinicians, epidemiologists, and other scientists to better understand how disease and treatment can cause or coincide with immune perturbations.
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We are a highly collaborative laboratory with expertise in the development and optimization of genomic and molecular techniques and computational approaches. In particular, we are skilled at creating novel applications for next generation sequencing technologies and applying them in transdisciplinary studies. Examples of previous and ongoing collaborative projects include work on pediatric acute respiratory distress syndrome (pARDS), multisystem inflammatory syndrome in children (MIS-C), chimeric antigen receptor (CAR) T-cell therapy, bone marrow transplant, and viral respiratory infections.
Immune variation, at baseline and in response to immune challenge, is dynamically influenced by unique and interactive effects of intrinsic and extrinsic host factors. Despite the extreme variation in immune parameters across the human population, they sometimes vary in consistent ways. Recent conceptual advances in systems immunology suggest that by considering the collective states of numerous immune parameters, or the so-called immunotype, we can better deconvolute not just the complex relationships between immune variation, intrinsic factors, and extrinsic factors, but also the emergent properties of the broader immune system.
T cells are adaptive immune cells that mediate anti-tumor responses. Understanding the minutia of T cell biology allows us to identify and characterize clinically relevant T cell phenotypes, informs strategies for T cell engineering for cellular immunotherapies and even helps predict T-cell antigen specificity. Our work encompasses a variety of genomic, molecular, and computational methods to provide a more comprehensive understanding of these important immune cells.
Pathogens can cause serious health complications, especially for vulnerable populations such as children with cancer. Understanding the basic science behind a pathogen’s strategy for host colonization and the host’s subsequent immune response informs clinical treatment strategies.
We use cellular biology, molecular biology, and bioinformatics to better understand the impacts of viral infection and inflammation on cellular function. We have also used spatial transcriptomics to characterize cellular responses to infections through space and time. Our team is skilled at compiling large, multimodal datasets from large human cohorts and analyzing them to identify predictors of disease severity and protection.
Dr. Crawford earned his PhD in integrative biology from the University of California at Berkeley. He is currently an Assistant Member of the St. Jude faculty in the Department of Host-Microbe Interactions and the Graduate School of Biomedical Sciences. He is also a founding member of the Center for Infectious Diseases Research (CIDR) and the Center for Translational Immunology and Immunotherapy (CeTI2) in the Center of Excellence for Pediatric Immuno-Oncology (CEPIO). He has received dozens of awards throughout his academic career, including a Pre-doctoral Research Fellowship from the National Science Foundation, the Jerry O. Wolff Dissertation Fellowship from the Museum of Vertebrate Zoology, and the Elmer C. Birney Award from the American Society of Mammalogists.
Jeremy Chase Crawford, PhD
Department of Host-Microbe Interactions
Room D1024C