TRIM28 drives immune evasion via PARP1 SUMOylation and NAD+ depletion in clear cell renal cell carcinoma

Background
Immune checkpoint blockade (ICB) therapy has demonstrated significant clinical potential in a variety of cancers; however, its efficacy in clear cell renal cell carcinoma (ccRCC) remains suboptimal. In ccRCC, an increased infiltration of CD…

Epigenetic suppression of Nrf2-Slc40a1 axis induces ferroptosis and enhances immunotherapy in pancreatic cancer

Background
Despite progress in immunotherapy for several solid tumors, pancreatic ductal adenocarcinoma (PDAC) remains largely unresponsive, primarily due to its profoundly immunosuppressive tumor microenvironment (TME) characterized by limited CD8+ T…

Epigenetic suppression of Nrf2-Slc40a1 axis induces ferroptosis and enhances immunotherapy in pancreatic cancer

Background
Despite progress in immunotherapy for several solid tumors, pancreatic ductal adenocarcinoma (PDAC) remains largely unresponsive, primarily due to its profoundly immunosuppressive tumor microenvironment (TME) characterized by limited CD8+ T…

SPP1high macrophage-induced T-cell stress promotes colon cancer liver metastasis through SPP1/CD44/PI3K/AKT signaling

Background
Patients with colon cancer liver metastases (CCLM) frequently exhibit poor responses to immunotherapy, a phenomenon attributed in part to an immune desert tumor microenvironment. This study aimed to comprehensively characterize the immune l…

Multicenter phase II trial of ipilimumab and nivolumab in metastatic or unresectable perivascular epithelioid cell tumor (PEComa): a substudy of Dual Anti-CTLA-4 and Anti-PD-1 blockade in Rare Tumors (DART) SWOG S1609 (Cohort 38)

Background
Malignant perivascular epithelioid cell tumors (PEComas) are ultra-rare, aggressive mesenchymal neoplasms associated with poor outcomes. Standard-of-care systemic therapy includes mammalian target of rapamycin (mTOR) inhibition and chemothe…

Stromal cells modulate innate immune cell phenotype and function in colorectal cancer via the Sialic acid/Siglec axis

Background
The immunosuppressive tumor microenvironment reduces immune response effectiveness in stromal-rich tumors, including consensus molecular subtype 4 colorectal cancer (CRC). Mesenchymal stromal cells (MSCs), precursors to cancer-associated fi…

EP300 compromises antitumor immunity by increasing SOCS1 expression

Background
Beyond supporting cancer cell proliferation, tumor growth relies on the ability of cancer cells to evade immune surveillance. Identifying novel molecules that promote tumor immune escape may help develop more effective immunotherapeutic str…

Inhibition of osteosarcoma lung metastases by {beta}-glucan and CD40 agonist is mediated by activation of macrophages and NK cells

Background
Osteosarcoma (OS) lung metastases remain a significant therapeutic challenge. Innate immune activation is a promising therapeutic approach. Innate immune agonists can modulate the tumor immune microenvironment and improve therapeutic respon…

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