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pubmed:abstractText |
About a fifth of children with acute T-lymphoblastic leukaemia (T-ALL) succumb to the disease, suggesting an unrecognised biological heterogeneity that might contribute to drug resistance. We postulated that T-ALL originating from early T-cell precursors (ETPs), a recently defined subset of thymocytes that retain stem-cell-like features, would respond poorly to lymphoid-cell-directed therapy. We studied leukaemic cells, collected at diagnosis, to identify cases with ETP features and determine their clinical outcome.
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