American Association for Cancer Research
23266066cir190782-sup-230402_2_supp_6332954_qbbgck.pdf (52.53 kB)

Supplementary Table 1 from The Mincle/Syk/NF-κB Signaling Circuit Is Essential for Maintaining the Protumoral Activities of Tumor-Associated Macrophages

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journal contribution
posted on 2023-04-04, 01:00 authored by Chunjie Li, Vivian Weiwen Xue, Qing-Ming Wang, Guang-Yu Lian, Xiao-Ru Huang, Tin-Lap Lee, Ka-Fai To, Patrick Ming-Kuen Tang, Hui-Yao Lan

Table S1


Innovation and Technology Fund

Research Grants Council of Hong Kong

Chinese University of Hong Kong



Tumor-associated macrophages (TAM) have important roles in cancer progression, but the signaling behind the formation of protumoral TAM remains understudied. Here, by single-cell RNA sequencing, we revealed that the pattern recognition receptor Mincle was highly expressed in TAM and significantly associated with mortality in patients with non–small cell lung cancer. Cancer cells markedly induced Mincle expression in bone marrow–derived macrophages (BMDM), thus promoting cancer progression in invasive lung carcinoma LLC and melanoma B16F10 in vivo and in vitro. Mincle was predominately expressed in the M2-like TAM in non–small cell lung carcinoma and LLC tumors, and silencing of Mincle unexpectedly promoted M1-like phenotypes in vitro. Mechanistically, we discovered a novel Mincle/Syk/NF-κB signaling pathway in TAM needed for executing their TLR4-independent protumoral activities. Adoptive transfer of Mincle-silenced BMDM significantly suppressed TAM-driven cancer progression in the LLC-bearing NOD/SCID mice. By modifying our well-established ultrasound microbubble–mediated gene transfer protocol, we demonstrated that tumor-specific silencing of Mincle effectively blocked Mincle/Syk/NF-κB signaling, therefore inhibiting the TAM-driven cancer progression in the syngeneic mouse cancer models. Thus, our findings highlight the function of Mincle as a novel immunotherapeutic target for cancer via blocking the Mincle/Syk/NF-κB circuit in TAM.

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