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Gene Therapeutic Approaches for β-Cell Replacement

  • Alberto Hayek
  • Gillian M. Beattie
  • Fred Levine
Chapter
Part of the Endocrine Updates book series (ENDO, volume 11)

Abstract

In this chapter, special emphasis is placed on human cells as potential cell-based insulin delivery systems in type 1 diabetes. At this time, the only viable alternative for cell therapy in diabetes is the use of isolated human islets, either fresh or cryopreserved, as is utilized in clinical transplantation protocols. A recent review of islet transplantation for patients with type 1 diabetes concluded that although there are some important reasons for optimism, the treatment remains experimental (1) and the current outcome of the procedure is quite negative. Of a total of 305 patients receiving islet transplants between 1974 and 1996, only 10% of recipients were insulin-free at one year and of those, only one patient remained insulin-independent for more than five years. Of the many obstacles to successful islet transplantation, two remain of paramount importance: islet destruction by immune processes (either allo-or autoimmune), and the shortage of tissue for islet isolation. As more islet transplantation centers are being developed, the scarcity of tissue will become more acute, and the need for innovative methods to increase existing cell supplies will become more relevant. Thus, in this chapter we will focus on efforts to develop cell-based strategies to obtain physiologic insulin replacement.

Keywords

Islet Cell Human Islet Islet Transplantation Insulin Gene Transporter Associate With Antigen Processing 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2001

Authors and Affiliations

  • Alberto Hayek
    • 1
  • Gillian M. Beattie
    • 1
  • Fred Levine
    • 1
  1. 1.University of California at San Diego School of MedicineLa JollaUSA

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