Satratoxin H in your home: a safety profile

(Your Household-specific data is limited; this page draws from human adult context.) Satratoxin H is the most potent macrocyclic trichothecene produced by Stachybotrys chartarum (black mold), the most toxicologically significant indoor mold species. It is substantially more toxic than simple trichothecenes (DON, T-2) due to its macrocyclic ring structure. Mechanism: inhibits protein synthesis via ribosomal binding and induces apoptosis in olfactory sensory neurons, potentially explaining neurological symptoms reported in water-damaged buildings. Satratoxin H is associated with the controversial 1993-1994 Cleveland infant idiopathic pulmonary hemorrhage cluster (10 cases, 1 death), though the CDC later found insufficient evidence for a causal link. In vitro: potently cytotoxic to alveolar macrophages and epithelial cells at nanomolar concentrations. Exposure route: inhalation of spores and mycelial fragments containing satratoxins in water-damaged buildings. The 'sick building syndrome' association with Stachybotrys remains epidemiologically debated, but satratoxin H toxicity is well-characterized in cell and animal models. Not regulated as a food contaminant — primarily an indoor air quality concern. WHO/EPA guidelines focus on moisture control and remediation.