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Kaiso (ZBTB33) subcellular partitioning functionally links LC3A/B, the tumor microenvironment, and breast cancer survival

Singhal and colleagues apply quantitative automated image analysis to investigate the role of a transcriptional regulator, Kaiso, in a diverse cohort of breast cancer tumors. Specifically, they utilized the Highplex FL Module with the Tissue Microarray Module of HALO to characterize the tumor microenvironment in breast cancer TMA cores, including pan-cytokeratin, PD-L1, CD8, and CD68. They found that cytoplasmic Kaiso is associated with an immune-suppressed tumor microenvironment and found novel connections between Kaiso and autophagy-related proteins LC3A/B that are associated with breast cancer subtype and survival. The mechanism(s) by which Kaiso promotes tumor progression will require future investigation.

Singhal SK, Byun JS, Park S, Yan T, Yancey R, Caban A, Hernandez SG, Hewitt SM, Boisvert H, Hennek S, Bobrow M, Ahmed SU, White J, Yates C, Aukerman A, Vanguri R, Bareja R, Lenci R, Farré PL, De Siervi A, Nápoles AM, Vohra N, Gardner K

Communications Biology | First published 01 February 2021 | DOI https://doi.org/10.1038/s42003-021-01651-y