ArticleDiscover oncology2024
CD206 accelerates hepatocellular carcinoma progression by regulating the tumour immune microenvironment and increasing M2-type polarisation of tumour-associated macrophages and inflammation factor expression.
Article in Discover oncology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Growth differentiation factor 11 modulates metabolism, mitigating the pro-tumoral behavior provided by M2-like macrophages in hepatocellular carcinoma-derived cells.World journal of gastroenterology · 2025Article
- Lysine-Leucine-Rich Frog Skin Antimicrobial Peptides Inhibit Breast Cancer Metastasis by Reprogramming Tumor-Associated Macrophage Polarization.International journal of molecular sciences · 2025Article
- Gold and Silver Nanoparticles Efficiently Modulate the Crosstalk Between Macrophages and Cancer Cells.International journal of nanomedicine · 2025Article
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Authors and funding
4 authors.
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Abstract
objectiveThis study aims to investigate the effect of CD206 on the progression of hepatocellular carcinoma (HCC) and the regulation of the tumour immune microenvironment.
methodsA subcutaneous mouse model of HCC was established and treated with CD206-overexpressing adenovirus by tail vein injection or CD206 antibody C068C2 by intratumoral injection. The hepatocarcinoma-bearing mice were divided into four groups (IgG+ tail vein adenovirus group, IgG group, C068C2+ tail vein adenovirus group and C068C2 group) to observe the changes in tumour weight and volume with different expression levels of CD206. The proportion of M2-type tumour-associated macrophages (TAMs) was detected by flow cytometry and immunofluorescence. The apoptosis of tumour cells was detected using terminal deoxynucleotidyl transferase dUTP nick-end labelling (TUNEL) staining, and inflammatory factors in serum and tissues were detected using the ENZYME-LINKED IMMUNOSORBENT ASSAY.
resultsCompared with the mice with low CD206 expression, the hepatocarcinoma-bearing mice with high CD206 expression in HCC exhibited faster tumour growth and more aggressive progression. Flow cytometry and immunofluorescence staining revealed that the expression level of CD206-positive M2-type TAMs was highest in the IgG + adenovirus group and lowest in the C068C2 group (p < 0.001). Compared with the IgG + adenovirus group, the proportion of TUNEL-positive cells in tumour cells was significantly reduced in the C068C2 group. The IgG + adenovirus group had the highest concentrations of transforming growth factor-β (TGF-β) and interleukin 6 (IL-6) in both serum and tumour tissues.
conclusionThe overexpression of CD206 accelerates the progression of HCC and changes the tumour immune microenvironment. The high expression of CD206 in HCC increases the M2-type polarisation of TAMs and induces the expression of both TGF-β and IL-6 in tumour tissues and serum, thereby promoting HCC progression.
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