Article ID Journal Published Year Pages File Type
5519455 Toxicon 2017 4 Pages PDF
Abstract

•Sida rodrigoi Monteiro can induce intralysosomal accumulation of glycoproteins and neurologic syndromes in goats.•Toxic levels of swansonine were identified in the plant.•Sida rodrigoi Monteiro is the second species of this family able to induce α-mannosidosis.

There are numerous poisonous plants that can induce intralysosomal accumulation of glycoproteins and neurologic syndromes. Here we describe for the first time, a disease caused by ingesting Sida rodrigoi Monteiro in goats in North-western Argentina. The animals showed weight loss, indifference to the environment, unsteady gait and ataxia. Histopathologic studies showed vacuolization in cells of various organs, mainly in the CNS. The material deposited in the cells was positive for LCA (Lens culinaris agglutinin), WGA (Triticum vulgaris agglutinin), sWGA (succinyl-Triticum vulgaris agglutinin) and Con-A (Concanavalia ensiformis agglutinin) lectins. Finally, toxic levels of swansonine were identified in the plant. The present investigation allowed to recognize S. rodrigoi Monteiro poisoning as a plant induced α-mannosidosis.

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