The Knowledge Graph & Large Language Model-Enhanced Organ on a Chip Database (KLOCD) is a web platform for organ-on-a-chip research, drug discovery and toxicology from Professor Zhongze Gu's team at Southeast University (Nanjing, China). It consolidates data from public sources into sub-databases of drugs, chemicals, gene expression datasets, diseases, toxicants, literature, patents and organ-on-chip models. At its core is OCKG, an organ-on-chip knowledge graph linking organ chips, diseases, genes and compounds, which supports a drug repurposing tool and a retrieval-augmented natural language question answering assistant. KLOCD succeeds the Organ-on-a-Chip Database (Ocdb) previously served at the same address.
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