Tumor-associated Macrophages in Merkel Cell Carcinoma: Old Balances, New Checks.

Silk, Ann W; Davar, Diwakar · Clin Cancer Res · 2024

review · Level V

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Abstract

A recent report sheds light on the tumor-associated macrophages (TAMs) in MCC, and the association of S100A8-expressing TAMs with resistance to anti-PD-(L)1 inhibitors. These data improve our understanding about why some tumors with brisk TIL do not respond to immunotherapy and provide a compelling rationale to target myeloid checkpoints in MCC.