4.5 Article

No Evidence for Drug-Specific Activation of Circulating T Cells from Patients with HLA-DRB1*07:01-Restricted Lapatinib-Induced Liver Injury

期刊

CHEMICAL RESEARCH IN TOXICOLOGY
卷 29, 期 12, 页码 2111-2113

出版社

AMER CHEMICAL SOC
DOI: 10.1021/acs.chemrestox.6b00400

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资金

  1. MRC Centre for Drug Safety Science [G0700654]
  2. MIP-DILI project - European Community under the IMI Programme [115336]
  3. Medical Research Council [MR/L006758/1, G0700654] Funding Source: researchfish
  4. MRC [G0700654, MR/L006758/1] Funding Source: UKRI

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It is hypothesized that lapatinib-induced liver injury is caused by HLA-mediated antigen presentation to CD4 positive T cells. However, analysis of PBMC and cloned T-cells from patients with HLA-DRB1*07:01-restricted lapatinib-induced liver injury revealed no evidence for drug specific activation. T cells were exposed to lapatinib, the M11 aldehyde, and quinone imine [oxidized form of hydroquinone amine Ml] metabolites. Reactivity of the quinone imine was confirmed by mass spectrometry.

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