Prognostic Patterns in T-Cell Acute Lymphocytic Leukemia
Author Information
Author(s): Hoff Fieke W., Sriraja Lourdes, Qiu Yihua, Jenkins Gaye N., Teachey David T., Wood Brent, Devidas Meenakshi, Shockley Shaina, Loh Mignon L., Petsalaki Evangelia, Kornblau Steven M., Horton Terzah M.
Primary Institution: UT Southwestern Medical Center
Hypothesis
We aimed to compare protein and RNA expression patterns in pediatric and adult T-ALL patients to identify prognostic subgroups.
Conclusion
The study demonstrates that proteomics are predictive of outcome in adult T-ALL and identifies a subset of pediatric ETP patients with an inferior outcome.
Supporting Evidence
- Overall survival rates for T-ALL in children are >90%, while in adults, they are <57%.
- ETP T-ALL is associated with poor outcomes in adults but not in pediatric cases.
- Protein expression patterns can classify patients into prognostic subgroups.
Takeaway
This study looked at blood samples from kids and adults with a type of leukemia to see how their proteins and genes are different, which helps doctors understand who might get better or worse.
Methodology
Protein expression was assessed using RPPA methodology for 321 target proteins in 361 T-ALL patient samples, and RNA-sequencing was performed on 81 pediatric T-ALL samples.
Limitations
The study has a small number of adult T-ALL patients treated with different protocols and a limited number of protein antibodies used in the analysis.
Participant Demographics
The cohort included 292 pediatric patients (age < 18 years) and 69 adults (age ≥ 18 years).
Statistical Information
P-Value
0.0002
Statistical Significance
p<0.001
Digital Object Identifier (DOI)
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