A IL-6R antagonist 2520A produced by a fungal species / 药学学报

<p><b>AIM</b>To isolate IL-6R antagonists from the cultured broth of the strain Torulomyces ovatus.</p><p><b>METHODS</b>Various column chromatographyes were used to separate and purify the compounds with IL-6R antagonist activity. The spectral data and physic-chemical properties were measured for structure identification.</p><p><b>RESULTS</b>One compound namely 2520 was isolated from the cultured broth of Torulomyces ovatus.</p><p><b>CONCLUSION</b>2520A is a known compound (ferrichrome). It is first reported about its antagonistic activity of IL-6R and identification of iron atom in its structure.</p>