Effects of FK506 and cyclosporine on dynamic insulin secretion from isolated dog pancreatic islets

J. Ishizuka, Kristene Gugliuzza, Z. Wassmuth, J. Hsieh, K. Sato, T. Tsuchiya, Courtney Townsend, J. C. Fish, J. C. Thompson

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Abstract

Pancreatic islet transplantation may be the most ideal treatment for patients with insulin-dependent diabetes mellitus. However, immunosuppressive agents such as cyclosporine A(CsA) and FK506, used for these transplanted patients have been reported to cause glucose intolerance. In the present study, we have compared the effects of CsA and FK506 on glucose-stimulated insulin release from the isolated dog pancreatic islets, which have been maintained in culture for 3 days after isolation. The isolated dog pancreatic islets, pretreated for 24 hr with either CsA or FK506 (1, 10, and 100 nM), were perifused with 16.7 mM glucose. Pretreatment with both drugs suppressed glucose-stimulated insulin secretion in a dose-dependent fashion. CsA (100 nM), which is a therapeutically relevant concentration, significantly suppressed both the first and second phases of glucose-stimulated insulin release compared with 100 nM FK506. These findings suggest that, with a therapeutically relevant concentration, FK506 may be less toxic than CsA against pancreatic islets in patients with organ or cell transplantation.

Original languageEnglish (US)
Pages (from-to)1486-1490
Number of pages5
JournalTransplantation
Volume56
Issue number6
StatePublished - 1993

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Tacrolimus
Islets of Langerhans
Cyclosporine
Dogs
Insulin
Glucose
Islets of Langerhans Transplantation
Glucose Intolerance
Poisons
Cell Transplantation
Organ Transplantation
Immunosuppressive Agents
Type 1 Diabetes Mellitus
Pharmaceutical Preparations

ASJC Scopus subject areas

  • Transplantation
  • Immunology

Cite this

Ishizuka, J., Gugliuzza, K., Wassmuth, Z., Hsieh, J., Sato, K., Tsuchiya, T., ... Thompson, J. C. (1993). Effects of FK506 and cyclosporine on dynamic insulin secretion from isolated dog pancreatic islets. Transplantation, 56(6), 1486-1490.

Effects of FK506 and cyclosporine on dynamic insulin secretion from isolated dog pancreatic islets. / Ishizuka, J.; Gugliuzza, Kristene; Wassmuth, Z.; Hsieh, J.; Sato, K.; Tsuchiya, T.; Townsend, Courtney; Fish, J. C.; Thompson, J. C.

In: Transplantation, Vol. 56, No. 6, 1993, p. 1486-1490.

Research output: Contribution to journalArticle

Ishizuka, J, Gugliuzza, K, Wassmuth, Z, Hsieh, J, Sato, K, Tsuchiya, T, Townsend, C, Fish, JC & Thompson, JC 1993, 'Effects of FK506 and cyclosporine on dynamic insulin secretion from isolated dog pancreatic islets', Transplantation, vol. 56, no. 6, pp. 1486-1490.
Ishizuka J, Gugliuzza K, Wassmuth Z, Hsieh J, Sato K, Tsuchiya T et al. Effects of FK506 and cyclosporine on dynamic insulin secretion from isolated dog pancreatic islets. Transplantation. 1993;56(6):1486-1490.
Ishizuka, J. ; Gugliuzza, Kristene ; Wassmuth, Z. ; Hsieh, J. ; Sato, K. ; Tsuchiya, T. ; Townsend, Courtney ; Fish, J. C. ; Thompson, J. C. / Effects of FK506 and cyclosporine on dynamic insulin secretion from isolated dog pancreatic islets. In: Transplantation. 1993 ; Vol. 56, No. 6. pp. 1486-1490.
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