Dual regulation of CXCR6+CD8+ T cells modulates cytotoxic and exhaustion-associated programs during prostate cancer progression

Background
Prostate cancer (PCa) is widely recognized as an immunologically “cold” tumor, characterized by a paucity of effector T cells and a limited response to immune checkpoint blockade therapy. Although the chemokine receptor CXCR6 has been ident…

Fluorination augments tumor engagement and antitumor immunity of a D-peptide-based radiotheranostic agent for combinatorial immune checkpoint blockade therapy

Background
Programmed death-ligand 1 (PD-L1)-targeted radiopharmaceutical therapy (RPT) combined with immune checkpoint blockade (ICB) represents a promising combinatorial treatment because of the “magic” bystander and abscopal effects of RPT. However…

Hyaluronic acid-CD44 signaling defines therapeutic resistance and immunosuppressive microenvironment in peritoneal metastasis of gastric cancer

Background
Peritoneal metastasis (PM) is one of the most challenging clinical problems in gastric cancer (GC), largely due to its high recurrence rate and poor response to current therapies. Increasing evidence indicates that remodeling of the extrace…

Integrating interferon gamma receptor pathways, antigenicity, and immune contexture as predictors of immunotherapeutic strategies for mucosal melanomas

Background
Mucosal melanomas (MM) arise from mucosal melanocytes at various anatomical sites. These tumors are rare, highly aggressive, and often associated with poor outcomes. Current treatments, including immune checkpoint inhibitors, show limited e…

Antibiotic-associated dysbiosis and bispecific antibody outcomes in multiple myeloma

Background
The gut microbiota plays a critical role in regulating immune homeostasis and modulating responses to cancer immunotherapies. However, the impact of antibiotic-induced dysbiosis in patients with multiple myeloma (MM) treated with bispecific…

Antibody therapeutics with high affinity for Fc{gamma}Rs exacerbate anaphylaxis via Fc{gamma}R-mediated capture by tumor-associated myeloid cells

Background
Antibody therapeutics have revolutionized cancer treatment, but their use is increasingly associated with adverse events. Among these, anaphylaxis is particularly concerning due to its severity and unpredictability. Our previous studies dem…

Macrophage Mtdh deficiency discordantly regulated tumor growth and metastasis through increased thrombospondin-1 production

Objective
Metadherin (MTDH) is a recognized oncogene involved in the progression and metastasis of various cancers. However, further studies are needed to elucidate the biological role of MTDH, which is expressed in macrophages during tumor progressio…

Modulating the tumor immune phenotypes by radiotherapy: formulating and validating the combination therapy of radiation, PD-L1, and TIM-3 blockade in colorectal cancer

Background
Most colorectal cancers (CRCs) are mismatch repair-proficient (pMMR) and microsatellite stable (MSS), and they respond poorly to immune checkpoint inhibitors (ICIs). Radiotherapy (RT) can promote antitumor immunity but may also trigger adap…

Specific depletion of TIGIThigh CD226- clonally expanded intratumoral Tregs defines safe and effective TIGIT targeting

Background
Global clinical programs based on TIGIT (T cell immunoglobulin and ITIM domain) blockade have been terminated due to inadequate clinical efficacy. New approaches are needed to increase the antitumor activity of anti-TIGIT-based immunotherap…

HOXD13-mediated immune crosstalk between cancer cells and tumor-associated macrophages drives colorectal cancer progression

Background
The complex tumor microenvironment (TME) of colorectal cancer (CRC), composed of diverse cellular components and dynamic interactions, constitutes a major barrier to effective immunotherapy and facilitates disease progression. There is a pr…

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