Fc-mediated immune stimulating, pro-inflammatory and antitumor effects of anti-HER2 IgE against HER2-expressing and trastuzumab-resistant tumors

Background
Anti-human epidermal growth factor receptor 2 (HER2) IgG1-based antibody therapies significantly improve cancer prognosis, yet intrinsic or acquired resistance to fragment antigen-binding (Fab)-mediated direct effects commonly occurs. Most …

Immunosuppressive microenvironment of liver restrains chemotherapeutic efficacy in triple-negative breast cancer

Background
Patients with liver metastases of triple-negative breast cancer (TNBC) show poor prognosis compared with other metastases. Chemotherapy is the primary treatment for advanced TNBC. Tumor cell diversity and the tumor microenvironment could af…

Enhanced thrombopoiesis supplies PD-L1 to circulating immune cells via the generation of PD-L1-expressing platelets in patients with lung cancer

Background
The increased expression of programmed cell death ligand 1 (PD-L1) on a subset of immune cells in the peripheral blood has been frequently observed in patients with cancer, suggesting a relationship with PD-L1 expression in tumor tissues. I…

Targeting pyroptosis reverses KIAA1199-mediated immunotherapy resistance in colorectal cancer

Background
Despite advancements in treatment modalities, several patients with colorectal cancer (CRC) remain unresponsive to immune checkpoint inhibitor therapy. Pyroptosis, an inflammatory programmed cell death process, holds substantial promise for…

Targeted delivery of CCL3 reprograms macrophage antigen presentation and enhances the efficacy of immune checkpoint blockade therapy in hepatocellular carcinoma

Background
Hepatocellular carcinoma (HCC) remains a leading cause of cancer-related deaths worldwide, especially in advanced stages where limited treatment options result in poor prognosis. The immunosuppressive tumor immune microenvironment (TIME), c…

Ethanol inhibits the growth and metastasis of hepatocellular carcinoma by inducing immunogenic cell death

Background
Immunogenic cell death (ICD) can elicit an adaptive immune response with significant antitumor effects. Percutaneous ethanol injection therapy has been applied as tumor ablation for small hepatocellular carcinoma (HCC). However, it was not …

Mimicry-based strategy between human and commensal antigens for the development of a new family of immune therapies for cancer

Background
Molecular mimicry between commensal bacterial antigens and tumor-associated antigens (TAAs) has shown potential in enhancing antitumor immune responses. This study leveraged this concept using commensal bacterial antigens, termed OncoMimics…

CD56bright cytokine-induced memory-like NK cells and NK-cell engagers synergize against non-small cell lung cancer cancer-stem cells

Background
Due to their enhanced responsiveness and persistence, cytokine-induced memory-like (CIML)-natural killer (NK) cells have emerged as new immunotherapeutic tools against malignancies. However, their effects on tumor-cell spread and metastases…

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