ArticleThe Journal of clinical endocrinology and metabolism2026
Circulating Gene Expression Assay as a Diagnostic and Prognostic Biomarker for Pancreatic Neuroendocrine Tumors in MEN1.
Article in The Journal of clinical endocrinology and metabolism, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
1 citing paper in PubMed.
- A contemporary overview of multiple endocrine neoplasia syndromes: MEN syndromes 1-5 and beyond.Endocrine oncology (Bristol, England) · 2026Review
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThere is an unmet need for biomarkers in multiple endocrine neoplasia type 1 (MEN1)-related pancreatic neuroendocrine tumors (PanNETs) that allow prediction of clinical behaviour and metastatic potential. This study aims to investigate the potential of a circulating NET mRNA gene expression assay as a diagnostic and prognostic biomarker.
designSingle-center, prospective, cohort study.
methodsMEN1 patients were enrolled between July 2016 and June 2017. Blood samples were collected in PAXgene tubes and the original NETest assay recalibrated for MEN1 PanNETs. The mNET assay was performed at baseline. Patients were followed for 39 months (range 12-48 months). Diagnostic and predictive values were assessed using the area under the receiver operating characteristic curve (AUC).
resultsOf 110 eligible patients, 60% were diagnosed with PanNETs at baseline and 9% developed PanNETs during follow-up. At baseline, the mNET assay differentiated between patients without manifestations and patients with only PanNETs (P = .04). The AUC for predicting PanNET development was 0.65 (P = .15). In separate analyses, the assay did not predict PanNET growth (AUC = 0.49), number of PanNETs (AUC = 0.54), new metastatic disease (AUC = 0.39), or metastasis progression (AUC = 0.46).
conclusionIn line with previous studies in non-MEN1 associated NET, in MEN1, a circulating NET gene expression assay identified patients without any manifestations from PanNETs. The mNET assay did not predict PanNET development, progression, or metastasis. The underlying genetic condition, epigenetic modifications, microadenomas, and coexistence of multiple manifestations may impact circulating RNA profiles. Further research should explore alternative biomarkers or develop clinico-molecular algorithms for personalized management strategies in MEN1.
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