A clinical profile of insulin-dependent diabetes with islet cell cytoplasmic and cell surface antibodies

The Tohoku Journal of Experimental Medicine
H OhgawaraY Hirata

Abstract

Both islet cytoplasmic and cell surface antibodies (ICA and ICSA) were studied from the onset of diabetes to the honeymoon in an insulin-dependent diabetic patient. The patient, a 24-year-old male, was admitted to the hospital because of ketoacidotic hyperglycemic precoma. Continuous subcutaneous infusion of a small dose of insulin was carried out for a couple of days followed by NPH-insulin injection. The dose was gradually decreased and on the 45th day after the onset, an oral hypoglycemic agent was substituted for insulin. The patient was followed up after discharge from the hospital and his disease was controlled well by diet and a hypoglycemic agent until he caught a common cold. He was then admitted again to the hospital because of hyperglycemia, and insulin injection was performed. Both ICA and ICSA were found independently of each other during the course of the disease. The ICSA, which was quantitatively determined by immunoassay using 125I-protein A, closely paralleled the clinical profile. However, the levels of quantitative ICSA were higher than normal, even though the patient's diabetes reached the honeymoon stage. These results suggest that quantitative ICSA has a strong association with the clinical profile in IDD...Continue Reading

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