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Acta diabetologia latina

, Volume 18, Issue 4, pp 339–344 | Cite as

Antibody-dependent and natural killer cytotoxicity in type 1 diabetes

  • Maurizio Sensi
  • Paolo Pozzilli
  • Andrew G. Cudworth
Original Contributions

Summary

The antibody-dependent cell-mediated cytotoxicity and the spontaneous cell-mediated cytotoxicity against Chang liver cells in relation to the levels of circulating K-cells (low affinity E-rosetting cells) were investigated in 23 newly diagnosed insulin-dependent (Type 1) diabetics, and in 17 unaffected islet cell antibody-positive subjects. Antibody-dependent cell-mediated cytotoxicity was significantly increased in those newly diagnosed diabetics with K-cell levels greater than 2 SD above the mean of normal controls (p<0.02). A similar but not significant trend was also found in islet cell antibody-positive subjects with raised K-cells. Spontaneous cell-mediated cytotoxicity was not different in any of the groups. These results lend further support to the concept that antibody-dependent lymphocyte cytotoxicity is enhanced in Type 1 diabetes at diagnosis.

Key-words

Antibody-dependent cell-mediated cytotoxicity (ADCC) Insulin-dependent (Type 1) diabetes Low affinity E-rosettes (K-cells) Spontaneous cell-mediated cytotoxicity (SCMC) 

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Copyright information

© Casa Editrice 1981

Authors and Affiliations

  • Maurizio Sensi
    • 1
    • 2
  • Paolo Pozzilli
    • 1
    • 2
  • Andrew G. Cudworth
    • 1
    • 2
  1. 1.Department of DiabetesSt. Bartholomew's HospitalLondon
  2. 2.Cattedra di Endocrinologia (I)Università di RomaRoma

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