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Baseline Tumor Gene Expression Signatures Correlate With Chemoimmunotherapy Treatment Responsiveness in Canine B Cell Lymphoma

Dittrich et al., PLOS ONE. 2023.

https://pubmed.ncbi.nlm.nih.gov/37624862/

Pet dogs develop spontaneous diffuse large B cell lymphoma (DLBCL), and veterinary clinical trials have been employed to treat canine DLBCL and to inform clinical trials for their human companions. Investigators evaluated gene expression in lymph node aspirates from 18 trial dogs and defined good responders as those who relapsed after 90 days, and poor responders as those who relapsed prior to 90 days. They found increased CCND3 correlated with poor prognosis and increased CD36 correlated with good prognosis, as is observed in humans. These findings identify biomarkers that may help guide the choice of chemoimmunotherapy treatment in dogs. Supported by ORIP (K01OD028268) and NCI.