Autoantibodies against CD38 (ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase) that impair glucose-induced insulin secretion in noninsulin- dependent diabetes patients.

F Ikehata; J Satoh; K Nata; A Tohgo; T Nakazawa; I Kato; S Kobayashi; T Akiyama; S Takasawa; T Toyota; H Okamoto

doi:10.1172/JCI1656

Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Department of Biochemistry, Tohoku University School of Medicine, Sendai 980-8575, Japan.

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Published in Volume 102, Issue 2 on July 15, 1998
J Clin Invest. 1998;102(2):395–401. https://doi.org/10.1172/JCI1656.
© 1998 The American Society for Clinical Investigation

Published July 15, 1998 - Version history

Cyclic ADP-ribose (cADPR) has been shown to be a mediator for intracellular Ca2+ mobilization for insulin secretion by glucose in pancreatic beta cells, and CD38 shows both ADP-ribosyl cyclase to synthesize cADPR from NAD+ and cADPR hydrolase to hydrolyze cADPR to ADP-ribose. We show here that 13.8% of Japanese non-insulin-dependent diabetes (NIDDM) patients examined have autoantibodies against CD38 and that the sera containing anti-CD38 autoantibodies inhibit the ADP-ribosyl cyclase activity of CD38 (P </= 0.05). Insulin secretion from pancreatic islets by glucose is significantly inhibited by the addition of the NIDDM sera with anti-CD38 antibodies (P </= 0.04-0.0001), and the inhibition of insulin secretion is abolished by the addition of recombinant CD38 (P </= 0.02). The increase of cADPR levels in pancreatic islets by glucose was also inhibited by the addition of the sera (P </= 0.05). These results strongly suggest that the presence of anti-CD38 autoantibodies in NIDDM patients can be one of the major causes of impaired glucose-induced insulin secretion in NIDDM.

Version 1 (July 15, 1998): No description

Autoantibodies against CD38 (ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase) that impair glucose-induced insulin secretion in noninsulin- dependent diabetes patients.

F Ikehata, J Satoh, K Nata, A Tohgo, T Nakazawa, I Kato, S Kobayashi, T Akiyama, S Takasawa, T Toyota, and H Okamoto

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Autoantibodies against CD38 (ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase) that impair glucose-induced insulin secretion in noninsulin- dependent diabetes patients.

F Ikehata, J Satoh, K Nata, A Tohgo, T Nakazawa, I Kato, S Kobayashi, T Akiyama, S Takasawa, T Toyota, and H Okamoto

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