Etoposide activates CD8+ T cell anti-tumor immunity in osteosarcoma through MHC I upregulation via tumor-secreted IL-33 mediated signaling

Background
Osteosarcoma patients with high propensity for metastasis and recurrence generally encounter a poor prognosis. Despite the extensive exploration of immunotherapy, particularly the anti-programmed cell death protein 1 (anti-PD-1) antibody, i…

CD146+CAFs mediate immunosuppression in gastric cancer via COL4A1: potential therapeutic targets

Background
The immunomodulatory roles of cancer-associated fibroblasts (CAFs) in gastric cancer have been increasingly recognized. This study aimed to identify specific CAF subpopulations and to elucidate the mechanisms underlying their immunosuppress…

CD300e is a driver of the immunosuppressive tumor microenvironment and colorectal cancer progression via macrophage reprogramming

Background
Colorectal cancer (CRC) progression is shaped by the tumor microenvironment, particularly tumor-associated macrophages (TAMs), which often adopt immunosuppressive functions. CD300e, a myeloid receptor involved in immune regulation, has an u…

Aberrant lipid metabolism reshapes the immune landscape in bone metastasis of nasopharyngeal carcinoma

Background
Bone metastasis (BM) drives therapeutic resistance and mortality in nasopharyngeal carcinoma (NPC). Tumor metabolites are crucial for NPC metastasis; however, the mechanisms by which these metabolites synergistically alter the immune microe…

In situ DC-primed vaccine combined with CD137 agonist elicits long-lasting antitumor immunity through cDC1-mediated tumor antigen-specific CD8+ T cell responses

Background
Intratumoral vaccines offer a promising avenue in cancer immunotherapy by harnessing the tumor microenvironment to stimulate immune responses. However, challenges persist in maximizing their effectiveness and addressing immune suppression w…

Systemic STING agonist therapy drives expression of interferon stimulated genes and downstream production of cytokines in dogs with solid tumors

Background
Stimulator of interferon genes (STING) agonist drugs can induce expression of interferon stimulated genes (ISGs) and proinflammatory cytokine production aimed to enhance antitumor immunity. The purpose of the current study was to determine …

Harnessing the innate immune system: a novel bispecific antibody targeting CD47 and CD24 for selective tumor clearance

Background
Tumor-associated macrophages (TAMs) abundantly infiltrate tumors and possess potent antitumor capabilities. “Don‘t eat me” signals like CD47 allow tumors to evade macrophages and proliferate unchecked. CD47 is upregulated in many tumo…

Monitoring systemic immune responses to checkpoint inhibition in breast cancer reveals host responses and mechanisms of resistance

Background
Immune checkpoint inhibitors (ICI) have improved survival in various cancers, but their success in breast cancer, specifically triple-negative breast cancer, remains limited, benefiting less than 10% of patients.

Methods
We modeled ICI res…

Pharmacological and structural characterization of vibostolimab, a novel anti-TIGIT blocking antibody for cancer immunotherapy

Background
Vibostolimab is a humanized anti-T cell immunoreceptor with immunoglobulin (Ig) and ITIM domains (TIGIT) antibody was recently investigated in late-stage clinical trials. Vibostolimab was developed based on its specific binding property to …

Temporal optimization of CD25-biased IL-2 agonists and immune checkpoint blockade leads to synergistic anticancer activity despite robust regulatory T cell expansion

Background
Interleukin-2 (IL-2) immunotherapy can induce durable tumor remissions, but its clinical performance has been limited by significant drawbacks such as short serum half-life and high toxicity. Administration of IL-2 in complex with certain a…

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nginx/1.24.0 (Ubuntu)