Osteolathyrism is a collagen cross-linking deficiency brought on by dietary over-reliance on the seeds of Lathyrus sativus. It is commonly seen in combination with neurolathyrism and angiolathyrism in impoverished areas where famine demands reliance on a crop with known detrimental effects. Osteolathyrism is caused by a variety of osteolathyrogenic compounds, specifically excitatory amino-compounds. The most widely-studied of these compounds is beta-aminopropionitrile (BAPN), which exerts its deleterious effect by an unknown yet potently irreversible mechanism. Other instigators are ureides, semicarbazides and thiosemicarbazides, which are believed to chelate the prosthetic Cu(II)-bipyridine cofactor complex in the enzyme lysyl oxidase.

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Osteolathyrism - Cause
... If these crosslinks are not formed, as in the case of osteolathyrism, the synthesis of strong mesenchymal and mesodermal tissue is inhibited ... Symptoms of osteolathyrism include weakness and fragility of connective tissue (i.e ...