Summary
Barium x-ray patterns of ketonuric diabetic Chinese hamsters displayed marked dilatation of the stomach, small and large intestine. Hypomotility was manifested by flocculation of barium in the small and large bowel. Impaired transit time was further characterized by prolonged emptying of the stomach (mean 570 min diabetics; 200 min controls) and delayed stool formation (mean 230 min diabetics; and 100 min controls) and passage (mean 457 min diabetics; 210 min controls). Ultrastructural analysis of Auerbach's myenteric plexuses of the small intestine indicated acute degeneration in certain distal, unmyelinated axons. Swelling, deposition of glycogen, aggregation of neurofilaments and dense accumulation of lamellar bodies were observed. The severity and frequency of barium flocculation, glycogen deposition, aggregation of neurofilaments and lamellar inclusion bodies in axons were directly related to duration of ketonuria. The data strongly suggest that autonomic neuropathology in the plexuses of Auerbach may be a critical factor underlying gastrointestinal dysfunction in the ketonuric diabetic Chinese hamster.
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Diani, A.R., Grogan, D.M., Yates, M.E. et al. Radiologic abnormalities and autonomic neuropathology in the digestive tract of the ketonuric diabetic Chinese hamster. Diabetologia 17, 33–40 (1979). https://doi.org/10.1007/BF01222975
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DOI: https://doi.org/10.1007/BF01222975