Related Experiment Video
Updated: Jan 22, 2026
07:23
Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome
Published on: June 15, 2016
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Integrated Transcriptomics Reveals Evolutionary Trajectories and Cell Density-Dependent Mechanisms in
Zhuolun Sun1, Changying Jing2, Martina Tetti1
1Medizinische Klinik und Poliklinik IV, Klinikum der Universität München, Ludwig-Maximilians-Universität München, 80336, Munich, Germany.
Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|January 21, 2026
Summary
Aldosterone-producing adenomas (APAs) and micronodules (APMs) show significant molecular differences. This study reveals distinct tumor evolution paths and cellular states, impacting primary aldosteronism understanding.
Area of Science:
- Endocrinology
- Oncology
- Genomics
Background:
- Aldosterone-producing adenomas (APAs) and micronodules (APMs) cause primary aldosteronism, a common secondary hypertension.
- Understanding the molecular basis of APA and APM development is crucial for effective treatment.
Purpose of the Study:
- To investigate the heterogeneity and molecular pathogenesis of APAs and APMs.
- To elucidate the evolutionary trajectories and cellular states within APAs.
Main Methods:
- Integrated single-cell/nucleus and spatial transcriptomics.
- Pseudotime analyses to model tumor progression.
- In vitro studies using human adrenal cells.
Main Results:
- APAs and APMs exhibit substantial transcriptional heterogeneity and an immunosuppressive tumor microenvironment in APAs.
- Two distinct evolutionary paths for APAs were identified: direct and stepwise (via APMs).
- KCNJ5-mutated APAs show progenitor-like and mature cellular states, with shifts in oxidative stress and focal adhesion pathways, including ferroptosis.
Conclusions:
- The study reveals complex molecular alterations and transcriptional diversity in APAs and APMs.
- Findings enhance understanding of APA pathogenesis and identify TAZ activation's role in ferroptosis sensitivity.
- This research provides insights into the molecular mechanisms driving primary aldosteronism.
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