Gene Expression Profiling of Human Pancreatic Islets Undergoing a Simulated Process of Instant Blood-Mediated Inflammatory Reaction

A. Jackson, C. McWilliams, E. Kaizer, Damien J. Chaussabel, C. Glaser, H. Noguchi, S. Matsumoto, M. F. Levy, B. Naziruddin

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Objective: Islet cell transplantation, as a treatment for type 1 diabetes mellitus, has historically required islet infusions from more than one donor organ to achieve insulin independence. Significant islet mass may be destroyed upon infusion due to a yet undefined process known as instant blood-mediated inflammatory reaction (IBMIR). Our objective was to identify gene expression changes in islets undergoing a simulated process of IBMIR. Materials and Methods: Human pancreatic islets were isolated from 2 cadaveric donors and divided into 3 groups each for a total of 18 samples. Group one (n = 3) was treated with autologous sera, group two (n = 3) with allogeneic sera, and group three (n = 3) with type 1 diabetic sera (T1DM). Each group was treated for 3 hours at 37°C. Islets were washed, lysed using TRI reagent, and mRNA was isolated using the Total Prep mRNA isolation kit. Isolated cRNA was used for microarray analysis using Illumina Gene Chips Hu6_v2. GeneSpring GX software was used for statistical analysis. Results were significant at P < .05. Results: One-way ANOVA statistical analysis of the microarray data revealed that interleukin-11 (IL-11), interleukin-12A (IL-12A), and Ras related associated with diabetes (RRAD) were overexpressed in islets exposed to diabetic sera when normalized to autologous control (P < .01). Under the same conditions, islet cells exposed to T1DM serum had down-regulation of IL-1 receptor antagonist (IL-1RN). Conclusion: These findings suggested that T1DM serum elicited an adaptive and innate immune response to the transplanted islet mass making them more susceptible to cytokine-mediated destruction.

Original languageEnglish
Pages (from-to)430-432
Number of pages3
JournalTransplantation Proceedings
Volume40
Issue number2
DOIs
Publication statusPublished - Mar 2008
Externally publishedYes

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Gene Expression Profiling
Islets of Langerhans
Serum
Interleukin-12 Subunit p35
Tissue Donors
Interleukin-11
Islets of Langerhans Transplantation
Complementary RNA
Messenger RNA
Statistical Data Interpretation
Interleukin-1 Receptors
Cell Transplantation
Adaptive Immunity
Microarray Analysis
Oligonucleotide Array Sequence Analysis
Type 1 Diabetes Mellitus
Innate Immunity
Analysis of Variance
Down-Regulation
Software

ASJC Scopus subject areas

  • Surgery
  • Transplantation

Cite this

Gene Expression Profiling of Human Pancreatic Islets Undergoing a Simulated Process of Instant Blood-Mediated Inflammatory Reaction. / Jackson, A.; McWilliams, C.; Kaizer, E.; Chaussabel, Damien J.; Glaser, C.; Noguchi, H.; Matsumoto, S.; Levy, M. F.; Naziruddin, B.

In: Transplantation Proceedings, Vol. 40, No. 2, 03.2008, p. 430-432.

Research output: Contribution to journalArticle

Jackson, A. ; McWilliams, C. ; Kaizer, E. ; Chaussabel, Damien J. ; Glaser, C. ; Noguchi, H. ; Matsumoto, S. ; Levy, M. F. ; Naziruddin, B. / Gene Expression Profiling of Human Pancreatic Islets Undergoing a Simulated Process of Instant Blood-Mediated Inflammatory Reaction. In: Transplantation Proceedings. 2008 ; Vol. 40, No. 2. pp. 430-432.
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AU - Glaser, C.

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