Gong, S.* ; Sun, N. ; Meyer, L.S.* ; Tetti, M.* ; Koupourtidou, C.* ; Krebs, S.* ; Masserdotti, G. ; Blum, H.* ; Rainey, W.E.* ; Reincke, M.* ; Walch, A.K. ; Williams, T.A.*
Primary aldosteronism: Spatial multi-omics mapping of genotype-dependent heterogeneity and tumor expansion of aldosterone-producing adenomas.
Hypertension 80, 1555-1567 (2023)
BACKGROUND: Primary aldosteronism is frequently caused by an adrenocortical aldosterone-producing adenoma (APA) carrying a somatic mutation that drives aldosterone overproduction. APAs with a mutation in KCNJ5 (APA-KCNJ5MUT) are characterized by heterogeneous CYP11B2 (aldosterone synthase) expression, a particular cellular composition and larger tumor diameter than those with wild-type KCNJ5 (APA-KCNJ5WT). We exploited these differences to decipher the roles of transcriptome and metabolome reprogramming in tumor pathogenesis. METHODS: Consecutive adrenal cryosections (7 APAs and 7 paired adjacent adrenal cortex) were analyzed by spatial transcriptomics (10x Genomics platform) and metabolomics (in situ matrix-assisted laser desorption/ionization mass spectrometry imaging) co-integrated with CYP11B2 immunohistochemistry. RESULTS: We identified intratumoral transcriptional heterogeneity that delineated functionally distinct biological pathways. Common transcriptomic signatures were established across all APA specimens which encompassed 2 distinct transcriptional profiles in CYP11B2-immunopositive regions (CYP11B2-type 1 or 2). The CYP11B2-type 1 signature was characterized by zona glomerulosa gene markers and was detected in both APA-KCNJ5MUT and APA-KCNJ5WT. The CYP11B2-type 2 signature displayed markers of the zona fasciculata or reticularis and predominated in APA-KCNJ5MUT. Metabolites that promote oxidative stress and cell death accumulated in APA-KCNJ5WT. In contrast, antioxidant metabolites were abundant in APA-KCNJ5MUT. Finally, APA-like cell subpopulations-negative for CYP11B2 gene expression-were identified in adrenocortical tissue adjacent to APAs suggesting the existence of tumor precursor states. CONCLUSIONS: Our findings provide insight into intra- and intertumoral transcriptional heterogeneity and support a role for prooxidant versus antioxidant systems in APA pathogenesis highlighting genotype-dependent capacities for tumor expansion.
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Publikationstyp
Artikel: Journalartikel
Dokumenttyp
Wissenschaftlicher Artikel
Typ der Hochschulschrift
Herausgeber
Schlagwörter
Adrenal Glands ; Hyperaldosteronism ; Oxidative Stress ; Spatial Metabolomics ; Spatial Transcriptomics; Polyunsaturated Fatty-acids; Pentose-phosphate Pathway; K+ Channel Mutations; Somatic Mutations; Consensus; Growth; Peroxidation; Metabolism; Subtypes; Society
Keywords plus
Sprache
englisch
Veröffentlichungsjahr
2023
Prepublished im Jahr
0
HGF-Berichtsjahr
2023
ISSN (print) / ISBN
0194-911x
e-ISSN
1524-4563
ISBN
Bandtitel
Konferenztitel
Konferzenzdatum
Konferenzort
Konferenzband
Quellenangaben
Band: 80,
Heft: 7,
Seiten: 1555-1567
Artikelnummer: ,
Supplement: ,
Reihe
Verlag
Lippincott Williams & Wilkins
Verlagsort
Two Commerce Sq, 2001 Market St, Philadelphia, Pa 19103 Usa
Tag d. mündl. Prüfung
0000-00-00
Betreuer
Gutachter
Prüfer
Topic
Hochschule
Hochschulort
Fakultät
Veröffentlichungsdatum
0000-00-00
Anmeldedatum
0000-00-00
Anmelder/Inhaber
weitere Inhaber
Anmeldeland
Priorität
Begutachtungsstatus
Peer reviewed
POF Topic(s)
30205 - Bioengineering and Digital Health
30204 - Cell Programming and Repair
Forschungsfeld(er)
Enabling and Novel Technologies
Stem Cell and Neuroscience
PSP-Element(e)
G-500390-001
G-500800-001
Förderungen
China Scholarship Council
National Institutes of Health/National Institute of Diabetes and Digestive and Kidney Diseases
Else Kroener-Fresenius Stiftung
Deutsche Forschungsgemeinschaft (DFG)
European Research Council (ERC) under the European Union
Copyright
Erfassungsdatum
2023-10-06