Deanne Taylor, a prominent bioinformatics director at the Children’s Hospital of Philadelphia (CHOP), has been at the forefront of efforts to ensure that pediatric health receives the attention it deserves in medical research. Her journey began with a thought-provoking presentation at the University of Pennsylvania regarding the Human Cell Atlas, an ambitious initiative aimed at cataloging every cell in the human body. However, Taylor was alarmed to discover that the project primarily focused on adult cells, reinforcing a prevalent misconception that children are merely smaller versions of adults. This misconception has led to a significant gap in medical understanding, particularly regarding how children’s cells differ in gene expression and response to treatments.
Recognizing the urgency of this issue, Taylor quickly mobilized a collaborative effort, joining the Human Cell Atlas volunteer team and advocating for a pediatric section within the project. She galvanized a coalition of pediatric researchers across hospitals, culminating in a pivotal paper that made a strong case for the necessity of studying children’s development. This advocacy has already borne fruit; in 2021, the National Institutes of Health awarded a million-dollar grant to the Developmental Genotype-Tissue Expression Project (dGTEx). This landmark initiative aims to create a comprehensive database of gene expression in healthy pediatric tissues, sourced from children whose families have consented to donate their bodies after death.
The dGTEx project seeks to standardize and curate genetic information that is vital for understanding normal development, disease mechanisms, and the efficacy of treatments. As the primary data curator for this initiative, Taylor and her team work diligently to compile detailed records associated with each tissue sample, including genetic backgrounds and sample characteristics. The ultimate goal is to develop a baseline understanding of how genes operate in healthy children, which will contribute significantly to the broader Human Cell Atlas. This integration not only enriches the Atlas but also addresses a critical gap in pediatric medicine, providing a holistic view of child health.
Taylor’s career trajectory reflects a deep-seated passion for unveiling the complexities of human health. With a PhD in biophysics, she initially ventured into rare disease research and reproductive medicine, where she developed algorithms for screening embryos. Her multidisciplinary approach has positioned her as a connector among diverse research efforts, underscoring the need for comprehensive insights into pediatric health. The dGTEx database, along with her ongoing work with the Kids First Data Resource Center, aims to uncover why certain individuals with the same genetic predispositions experience different health outcomes. Taylor emphasizes that understanding gene expression—how genes are activated or suppressed during development—is crucial for tailoring effective treatments, particularly as pediatric patients may react differently to therapies designed for adults. As she aptly puts it, ‘By ignoring the pediatric side of things, we miss a critical opportunity for intervention in human disease.’
Source: This scientist is helping build a missing map of childhood via MIT Technology Review