Growth factors and beta cell replication

Rupangi C. Vasavada, Jose A. Gonzalez-Pertusa, Yuichi Fujinaka, Nathalie Fiaschi-Taesch, Irene Cozar-Castellano, Adolfo Garcia-Ocaña

Research output: Contribution to journalReview articlepeer-review

118 Scopus citations


Recent studies have demonstrated that human islet allograft transplantation can be a successful therapeutic option in the treatment of patients with Type I diabetes. However, this impressive recent advance is accompanied by a very important constraint. There is a critical paucity of pancreatic islets or pancreatic beta cells for islet transplantation to become a large-scale therapeutic option in patients with diabetes. This has prompted many laboratories around the world to invigorate their efforts in finding ways for increasing the availability of beta cells or beta cell surrogates that potentially could be transplanted into patients with diabetes. The number of studies analyzing the mechanisms that govern beta cell proliferation and growth in physiological and pathological conditions has increased exponentially during the last decade. These studies exploring the role of growth factors, intracellular signaling molecules and cell cycle regulators constitute the substrate for future strategies aimed at expanding human beta cells in vitro and/or in vivo after transplantation. In this review, we describe the current knowledge on the effects of several beta cell growth factors that have been shown to increase beta cell proliferation and expand beta cell mass in vitro and/or in vivo and that they could be potentially deployed in an effort to increase the number of patients transplanted with islets. Furthermore, we also analyze in this review recent studies deciphering the relevance of these specific islet growth factors as physiological and pathophysiological regulators of beta cell proliferation and islet growth.

Original languageEnglish
Pages (from-to)931-950
Number of pages20
JournalInternational Journal of Biochemistry and Cell Biology
Issue number5-6
StatePublished - 2006
Externally publishedYes


  • Beta cell
  • Diabetes
  • GLP-1
  • HGF
  • IGF
  • Insulin
  • Islet transplantation
  • Lactogen
  • PTHrP
  • Proliferation


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