ArticleScientific reports2023
Cytoplasmic HIF-2α as tissue biomarker to identify metastatic sympathetic paraganglioma.
Article in Scientific reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Multi-omics insights into metastatic pheochromocytomas and paragangliomas: Mechanisms, signatures, and prediction models.Hormones (Athens, Greece) · 2026Review
- Belzutifan for HIF2A-Related Pheochromocytoma and Paraganglioma: A Retrospective Study of Real-World Data.Endocrine practice : official journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists · 2026Article
- Metastatic progression of pheochromocytoma and paraganglioma occurs via parallel evolution.NPJ precision oncology · 2026Article
- SDHB and CDK1 protein expression in metastatic pheochromocytoma and paraganglioma.Endocrine oncology (Bristol, England) · 2026Article
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Authors and funding
11 authors.
Funding
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Abstract
Pheochromocytomas (PCCs) and paragangliomas (PGLs) are rare neuroendocrine tumors. PGLs can further be divided into sympathetic (sPGLs) and head-and-neck (HN-PGLs). There are virtually no treatment options, and no cure, for metastatic PCCs and PGLs (PPGLs). Here, we composed a tissue microarray (TMA) consisting of 149 PPGLs, reflecting clinical features, presenting as a useful resource. Mutations in the pseudohypoxic marker HIF-2α correlate to an aggressive tumor phenotype. We show that HIF-2α localized to the cytoplasm in PPGLs. This subcompartmentalized protein expression differed between tumor subtypes, and strongly correlated to proliferation. Half of all sPGLs were metastatic at time of diagnosis. Cytoplasmic HIF-2α was strongly expressed in metastatic sPGLs and predicted poor outcome in this subgroup. We propose that higher cytoplasmic HIF-2α expression could serve as a useful clinical marker to differentiate paragangliomas from pheochromocytomas, and may help predict outcome in sPGL patients.
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