Redox-driven mitochondrial DNA stress in hepatocellular carcinoma: innate immune remodelling, tumour immune escape, and immunotherapy implications

Hepatocellular carcinoma (HCC) develops in a chronically injured liver where metabolic adaptation, oxidative stress, innate immune signalling, and immune tolerance are already intertwined. Mitochondria connect these processes: they sustain tumour-cell …

The tumor immune microenvironment of thyroid cancer and colorectal cancer: cellular crosstalk and therapeutic implications

Thyroid cancer (TC) and colorectal cancer are common malignancies of the endocrine and gastrointestinal systems, respectively, and continue to impose a substantial global disease burden. The tumor immune microenvironment (TIME) plays a central role in …

α7nAChR alleviates cognitive impairment by promoting autophagy in astrocytes via CaMKK2/AMPK/mTOR pathway in sepsis-associated encephalopathy

BackgroundSepsis-associated encephalopathy (SAE) is a syndrome of cerebral dysfunction secondary to sepsis. Although the α7 nicotinic acetylcholine receptor (α7nAChR) plays a pivotal role in the SAE, the specific mechanisms by which it mediates neuroin…

Immunological dysregulation of follicular helper T cells, follicular regulatory T cells, and follicular cytotoxic T cells is associated with disease activity and identifies exploratory immune patterns in rheumatoid arthritis

BackgroundThe onset and progression of rheumatoid arthritis (RA) are linked to autoantibody production driven by dysregulated germinal center (GC) responses. Follicular helper T cells (Tfh), follicular regulatory T cells (Tfr), and follicular cytotoxic…

T lymphocytes and natural killer cells in myelodysplastic syndromes: function, dysfunction, and therapeutic potential

Myelodysplastic syndrome (MDS) are clonal myeloid neoplasms that cause cytopenias and can progress to acute myeloid leukemia (AML). Hypomethylating agents (HMA) are the mainstay of treatment for higher risk disease, but they achieve responses in only h…

Enzyme replacement therapy (ERT) combined with transient low-dose methotrexate (TLD-MTX) results in age- and disease-dependent immune profile changes in Infantile- vs. late-onset Pompe disease patients

BackgroundTransient low-dose methotrexate (MTX) induces long-term immune tolerance to enzyme replacement therapy (ERT) in Pompe disease; however, the underlying immunological mechanisms remain unclear. We hypothesized that TLD-MTX would reduce immune a…

Lineage plasticity and immune invisibility in primary SCLC and LUAD-to-SCLC transformation: antigen presentation loss and therapeutic redirection

Immune checkpoint inhibitors have improved outcomes in small-cell lung cancer (SCLC), yet durable benefit remains limited, and the immune consequences of SCLC transformation from EGFR-mutant lung adenocarcinoma (LUAD) remain incompletely understood. Co…

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