Increased Expression of Myeloid-Derived Suppressor Cells in Patients with HBV-Related Hepatocellular Carcinoma

Tianyu Li1, Xinyu Zhang1, Zhuo Lv1

  • 1Graduate College of Hebei Medical University, Hebei Medical University, Shijiazhuang, Hebei 050017, China.

Insights

Myeloid-derived suppressor cells (MDSCs) are elevated in hepatocellular carcinoma (HCC) and may drive disease progression. Inhibiting MDSCs early could be a therapeutic strategy for HCC.

Area of Science:

  • Immunology
  • Hepatology
  • Oncology

Background:

  • Hepatocellular carcinoma (HCC) is a major global health concern, often developing from chronic hepatitis B (CHB) infection.
  • Myeloid-derived suppressor cells (MDSCs) are known to play a role in immune suppression and tumor progression.

Purpose of the Study:

  • To investigate the role of MDSCs in the progression of chronic hepatitis B to HCC.
  • To assess the correlation of MDSCs with clinical parameters and immune cell function in HCC patients.

Main Methods:

  • Flow cytometry was used to quantify MDSCs and IFN-γ-producing T cells in peripheral blood.
  • ELISA was employed to measure serum IL-10 and TNF-α levels.
  • Statistical analyses were performed to determine associations between MDSCs and various clinical and immunological markers.

Main Results:

  • MDSC percentages, particularly PMN-MDSCs, were significantly higher in HCC patients compared to CHB patients and healthy controls.
  • MDSC levels correlated with indicators of liver function, systemic inflammation, and monocyte counts.
  • HCC patients exhibited reduced IFN-γ-producing CD8 T cells, but no direct relationship was found between MDSCs and these cells. IL-10 levels were elevated in HCC patients.

Conclusions:

  • MDSCs are implicated in the pathogenesis of HCC development from chronic HBV infection.
  • Targeting MDSCs early in the disease process may represent a potential therapeutic approach to impede HCC progression.
Abstract

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