Immunologically “cold” triple negative breast cancers engraft at a higher rate in patient derived xenografts

Abstract TNBC is a heterogeneous subtype of breast cancer, and only a subset of TNBC can be established as PDXs. Here, we show that there is an engraftment bias toward TNBC with low levels of immune cell infiltration. Additionally, TNBC that failed to engraft show gene expression consistent with a c...

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Bibliographic Details
Main Authors: Varduhi Petrosyan, Lacey E. Dobrolecki, Emily L. LaPlante, Ramakrishnan Rajaram Srinivasan, Matthew H. Bailey, Alana L. Welm, Bryan E. Welm, Michael T. Lewis, Aleksandar Milosavljevic
Format: Article
Language:English
Published: Nature Portfolio 2022-09-01
Series:npj Breast Cancer
Online Access:https://doi.org/10.1038/s41523-022-00476-0
Description
Summary:Abstract TNBC is a heterogeneous subtype of breast cancer, and only a subset of TNBC can be established as PDXs. Here, we show that there is an engraftment bias toward TNBC with low levels of immune cell infiltration. Additionally, TNBC that failed to engraft show gene expression consistent with a cancer-promoting immunological state, leading us to hypothesize that the immunological state of the tumor and possibly the state of the immune system of the host may be essential for engraftment.
ISSN:2374-4677