ArticleNature communications2026
A microphysiological system HHT-on-a-chip platform recapitulates patient vascular lesions.
Article in Nature communications, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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
3 citing papers in PubMed.
- The Role of Somatic Mutation in Hereditary Hemorrhagic Telangiectasia Pathogenesis.Journal of clinical medicine · 2025Review
- Adaptable Manufacturing and Biofabrication of Milliscale Organ Chips With Perfusable Vascular Beds.Biotechnology journal · 2024Article
- Capturing physiological hemodynamic flow and mechanosensitive cell signaling in vessel-on-a-chip platforms.Frontiers in physiology · 2024Review
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Authors and funding
12 authors.
Funding
Abstract
Hereditary Hemorrhagic Telangiectasia (HHT) is a rare congenital disease in which fragile vascular malformations (VM) focally develop in multiple organs. There are few treatment options and no cure. HHT patients inherit loss-of-function mutations affecting Alk1-Eng signaling; however, why this manifests as VMs remains poorly understood. Here we have developed a fully human cell-based microphysiological system of perfused vasculature in which inducible shRNA controls endogenous Alk1 in primary endothelial cells (EC). Resulting VMs develop over several days, recapitulate patient VM appearance, and require only a subpopulation of Alk1-deficient EC to trigger lesions. Single-cell transcriptomics suggests microvessel pruning and regression contribute to VM, while loss of PDGFB implicates mural cell recruitment. Finally, pharmacological VEGF/VEGFR inhibition blocks lesion formation. In summary, we have developed an HHT-on-a-chip model that faithfully reproduces HHT patient lesions and that can be used to better understand HHT disease biology and identify potential new HHT drugs.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.