TY - JOUR KW - Andes virus KW - Cholesterol KW - Endothelial Cells KW - respiratory infections KW - Transcriptome analysis KW - Viral replication KW - Viral Tropism KW - Virus effects on host gene expression AU - Arjit Vijey Jeyachandran AU - Joseph Ignatius Irudayam AU - Swati Dubey AU - Nikhil Chakravarty AU - Maria Daskou AU - Anne Zaiss AU - Gustavo Garcia AU - Bindu Konda AU - Aayushi Shah AU - Aditi Venkatraman AU - Baolong Su AU - Cheng Wang AU - Qi Cui AU - Kevin J. Williams AU - Sonal Srikanth AU - Ashok Kumar AU - Yanhong Shi AU - Arjun Deb AU - Robert Damoiseaux AU - Barry R. Stripp AU - Arunachalam Ramaiah AU - Vaithilingaraja Arumugaswami AB - Hantaviruses are zoonotically transmitted from rodents to humans through the respiratory route, with no currently approved antivirals or widely available vaccines. The recent discovery of interhuman-transmitted Andes virus (ANDV) necessitates the systematic identification of cell tropism, infective potential, and potent therapeutic agents. We utilized human primary lung endothelial cells, various pluripotent stem cell-derived heart and brain cell types, and established human lung organoid models to evaluate the tropisms of Old World Hantaan (HTNV) and New World ANDV and Sin Nombre (SNV) viruses. ANDV exhibited broad tropism for all cell types assessed. SNV readily infected pulmonary endothelial cells, while HTNV robustly amplified in endothelial cells, cardiomyocytes, and astrocytes. We also provide the first evidence of hantaviral infection in human 3D distal lung organoids, which effectively modeled these differential tropisms. ANDV infection transcriptionally promoted cell injury and inflammatory responses, and downregulated lipid metabolic pathways in lung epithelial cells. Evaluation of selected drug candidates and pharmacotranscriptomics revealed that the host-directed small molecule compound urolithin B inhibited ANDV infection and restored cellular metabolism with minimal changes in host transcription. Given the scarcity of academic BSL-4 facilities that enable in vivo hantaviral studies, this investigation presents advanced human cell-based model systems that closely recapitulate host cell tropism and responses to infection, thereby providing critical platforms to evaluate potential antiviral drug candidates. BT - PLOS Pathogens DA - Aug 26, 2025 DO - 10.1371/journal.ppat.1013401 IS - 8 LA - en N2 - Hantaviruses are zoonotically transmitted from rodents to humans through the respiratory route, with no currently approved antivirals or widely available vaccines. The recent discovery of interhuman-transmitted Andes virus (ANDV) necessitates the systematic identification of cell tropism, infective potential, and potent therapeutic agents. We utilized human primary lung endothelial cells, various pluripotent stem cell-derived heart and brain cell types, and established human lung organoid models to evaluate the tropisms of Old World Hantaan (HTNV) and New World ANDV and Sin Nombre (SNV) viruses. ANDV exhibited broad tropism for all cell types assessed. SNV readily infected pulmonary endothelial cells, while HTNV robustly amplified in endothelial cells, cardiomyocytes, and astrocytes. We also provide the first evidence of hantaviral infection in human 3D distal lung organoids, which effectively modeled these differential tropisms. ANDV infection transcriptionally promoted cell injury and inflammatory responses, and downregulated lipid metabolic pathways in lung epithelial cells. Evaluation of selected drug candidates and pharmacotranscriptomics revealed that the host-directed small molecule compound urolithin B inhibited ANDV infection and restored cellular metabolism with minimal changes in host transcription. Given the scarcity of academic BSL-4 facilities that enable in vivo hantaviral studies, this investigation presents advanced human cell-based model systems that closely recapitulate host cell tropism and responses to infection, thereby providing critical platforms to evaluate potential antiviral drug candidates. PY - 0 EP - e1013401 T2 - PLOS Pathogens TI - Differential tropisms of old and new world hantaviruses influence virulence and developing host-directed antiviral candidates UR - https://journals.plos.org/plospathogens/article?id=10.1371/journal.ppat.1013401 VL - 21 Y2 - 2025-08-27 SN - 1553-7374 ER -