GAITHERSBURG, Md. & HYDERABAD, India--(BUSINESS WIRE)--Ocimum Biosolutions today announced the issuance of U.S. Patent No. US 7,415,358 B2 entitled ‘Molecular toxicology modeling’. The patent describes elucidation of the global changes in gene expression and identification of toxicity markers in tissues or cells exposed to a known renal toxin. The genes can be used as toxicity markers in drug screening and toxicity assays. The invention includes a database of genes characterized by toxin-induced differential expression that is designed for use with microarrays and other solid-phase probes.