Min-Min Chen, Qinhang Gao, Huiheng Ning, Kang Chen, Yang Gao, Min Yu, Chao-Qun Liu, Wei Zhou, Jieying Pan, Lusheng Wei, Wenxian Dou, Dingwen Zhang, Linnan Zhu, Qingling Zhang, Rufu Chen, Zemin Zhang
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引用次数: 0
Abstract
Nerves are integral to tumor biology, yet the peri- and intra-neural microenvironment and their roles in cancer-neural invasion (NI) remain underexplored. Here, we perform single-cell/single-nucleus RNA sequencing (sc/snRNA-seq) and spatial transcriptomics on 62 samples from 25 pancreatic ductal adenocarcinoma (PDAC) patients, mapping cellular composition, lineage dynamics, and spatial organization across varying NI statuses. Tertiary lymphoid structures are abundant in low-NI tumor tissues and co-localize with non-invaded nerves, while NLRP3+ macrophages and cancer-associated myofibroblasts surround invaded nerves in high-NI tissues. We identify a unique endoneurial NRP2+ fibroblast population and characterize three distinct Schwann cell subsets. TGFBI+ Schwann cells locate at the leading edge of NI, can be induced by transforming growth factor β (TGF-β) signaling, promote tumor cell migration, and correlate with poor survival. We also identify basal-like and neural-reactive malignant subpopulations with distinct morphologies and heightened NI potential. This landscape depicting tumor-associated nerves highlights critical cancer-immune-neural interactions in situ and enlightens treatment development targeting NI.
期刊介绍:
Cancer Cell is a journal that focuses on promoting major advances in cancer research and oncology. The primary criteria for considering manuscripts are as follows:
Major advances: Manuscripts should provide significant advancements in answering important questions related to naturally occurring cancers.
Translational research: The journal welcomes translational research, which involves the application of basic scientific findings to human health and clinical practice.
Clinical investigations: Cancer Cell is interested in publishing clinical investigations that contribute to establishing new paradigms in the treatment, diagnosis, or prevention of cancers.
Insights into cancer biology: The journal values clinical investigations that provide important insights into cancer biology beyond what has been revealed by preclinical studies.
Mechanism-based proof-of-principle studies: Cancer Cell encourages the publication of mechanism-based proof-of-principle clinical studies, which demonstrate the feasibility of a specific therapeutic approach or diagnostic test.