Efficient discovery of an agonistic anti-OX40 nanobody by epitope-directed approach to address enrichment-driven epitope bias

Background
Conventional antibody discovery approaches that do not account for enrichment-driven biases, such as epitope immunogenicity, PCR amplification bias, or protein expression efficiency, may result in under-representation of rare yet functional…

Myosin VI drives breast cancer progression via SP1/CA9-mediated acidic tumor microenvironment remodeling and subsequent M2 macrophage polarization

Background
The acidic tumor microenvironment (TME) is a major driver of immunosuppression and tumor progression in breast cancer. Although myosin VI (MYO6), an actin-dependent motor protein, is frequently upregulated in malignancies, its function in i…

Cancer-associated mesothelial cells drive immune escape and therapy resistance in ovarian cancer

Background
Cancer-associated mesothelial cells (CAMCs) are key modulators of the ovarian tumor microenvironment, contributing to tumor growth and immune evasion. Mesothelial cells (MCs) maintain peritoneal homeostasis and immune surveillance and repre…

Adipocyte-derived LTB4 programs human NKG2A+ {gamma}{delta} T cells as cytotoxic sentinels at the adipose-tumor interface in breast cancer

Background
The peritumoral microenvironment has emerged as a key role in affecting tumor invasion and immunotherapy responses. In adipose-enriched tumors, such as breast cancer (BC), peritumoral adipose tissue (PA) harbors unconventional immune popula…

Targeting TOMM40 unleashes immunogenic mitophagy to facilitate antigen presentation and immunotherapy sensitization

Background
Mitophagy is a mitochondrial quality control process that maintains cellular homeostasis in cancer, yet whether its dysregulation can be exploited to induce tumor immunogenicity remains unclear.

Methods
We integrated pancancer single-cell …

Intrinsic tumor cell line immunogenicity may drive CAR-independent T cell responses and confound CAR T cell preclinical modeling

Background
Chimeric antigen receptor (CAR) T cells are highly potent therapies approved by the U.S. Food and Drug Administration (FDA) for several hematological malignancies. However, efficacy remains variable due to resistance, antigen modulation, sy…

Intratumoral TIGIT blockade augments antitumor responses and bypasses increased functionality of peripheral TIGIT+ NK cells in mouse and human models of bone and soft tissue sarcoma

Background
TIGIT (T cell immunoreceptor with Ig and ITIM domains) has emerged as a key exhaustion marker of intratumoral natural killer (NK) cells, but results from clinical trials with TIGIT blockade have been largely negative. Recent data have sugge…

Therapy-induced senescence rewires the melanoma secretome to promote antitumor immune response and augment cell therapies

Background
Therapy-induced senescence (TIS) is a common outcome of diverse anticancer treatments, including chemotherapy, radiation, and small-molecule inhibitors. Senescence is characterized by stable growth arrest and the senescence-associated secre…

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