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Cancer, Stress, Anesthesia, and Immune Response / Nanoplatforms for Cancer Theranostics · Journal article
Journal of Translational Medicine · September 6, 2026
Raises a question worth testing. It does not answer one.
This is a narrative review and mechanistic hypothesis paper synthesizing existing observations on perineural invasion in hepatocellular carcinoma and proposing five domains of neural–tumor interaction mechanisms. The authors acknowledge limited and heterogeneous clinical data and call for standardized pathological assessment and dedicated experimental models to validate proposed mechanisms and establish causality.
Journal article. Patients with hepatocellular carcinoma; review does not analyze a specific cohort.
PNI correlates with recurrence, metastasis, disease-specific death, and neuropathic pain in HCC Prevalence and prognostic relevance of PNI in primary HCC remain inconsistently defined Five proposed mechanistic domains: neurotrophic factors, axon guidance molecules, neurotransmitter signaling, cell adhesion molecules, and tumor microenvironment
Safety was not reported in the material analysed. Check the source before drawing any conclusion about harm.
This paper frames perineural invasion as an emerging target for HCC research and therapy but explicitly states that causality and actionable targets cannot be established without improved clinical and experimental rigor. Clinicians should view this as raising hypotheses requiring validation rather than providing evidence for practice change.
A synthesis paper proposing mechanistic hypotheses for perineural invasion in HCC based on limited and inconsistently defined clinical data, without new experimental results or clinical trials to test the proposed mechanisms.
This paper frames perineural invasion as an emerging target for HCC research and therapy but explicitly states that causality and actionable targets cannot be established without improved clinical and experimental rigor. Clinicians should view this as raising hypotheses requiring validation rather than providing evidence for practice change.
Graded across the dimensions that decide whether you should act, each from what the source actually supports. There is no single score, and where a dimension was not assessed it says so.
What is missing. This record has no reported figures. That is a gap in the analysis, not a judgement about the study.
Hepatocellular carcinoma (HCC) is a major cause of cancer mortality worldwide. Emerging evidence in cancer neuroscience suggests that tumor–nerve crosstalk can modulate tumor growth, immune remodeling, dissemination, and therapy resistance. Perineural invasion (PNI) is a hallmark of aggressive tumors and correlates with recurrence, metastasis, disease-specific death, and neuropathic pain, yet its prevalence and prognostic relevance in primary HCC remain inconsistently defined. Given the limited and heterogeneous clinical data, we synthesize available observations and propose mechanistic hypotheses for neural–tumor interactions in the hepatic niche. Potential drivers are organized into five domains—neurotrophic factors, axon guidance molecules, neurotransmitter signaling, cell adhesion molecules, and the tumor microenvironment—highlighting neuro–immune–stromal circuits that may create permissive perineural niches. We also outline experimental platforms to test these hypotheses, including co-culture systems, organoids, and microfluidic nerve-on-chip models. Targeting neural–tumor interactions may offer translational opportunities in HCC, but causality and actionable targets cannot be established without improved clinical and experimental rigor. Standardized pathological assessment and dedicated HCC-focused PNI models are needed to validate mechanisms, harmonize reporting, and enable reproducible, clinically meaningful advances.
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