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Rigshospitalet - a part of Copenhagen University Hospital
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Insulin-like growth factor 1 and insulin-like growth factor binding protein-3: impact on early haematopoietic reconstitution following allogeneic haematopoietic stem cell transplantation

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OBJECTIVES: The aim of the study was to investigate whether high endogenous levels of insulin-like growth factor-1 (IGF-1) and its binding protein-3 (IGFBP-3) were related to a faster reconstitution of different blood cell populations in the early phase after allogeneic myeloablative haematopoietic stem cell transplantation (HSCT).

METHODS: We measured IGF-1 and IGFBP-3 by chemiluminescence during the first three weeks after transplantation in 35 adult patients undergoing myeloablative HSCT and calculated area under the curve divided by time (AUC/t) for each patient.

RESULTS: Circulating levels of IGF-1 and IGFBP-3 correlated with counts of reticulocytes (rs = 0.44, p = .011 and r = 0.41, p = .017, respectively) and thrombocytes (rs = 0.38, p = .030 and rs = 0.56, p = .0008) three weeks post-transplant. Furthermore, high IGFBP-3 levels correlated with absolute lymphocyte counts 3 weeks post-HSCT (rs = 0.54, p = .012) and were associated with shorter time to neutrophil engraftment (rs = -0.35, p = .043). Both IGF-1 and IGFBP-3 levels were associated with the number of circulating natural killer cells one month after HSCT (rs = 0.42, p = .032 and rs = 0.57, p = .0026).

CONCLUSION: These data indicate that high levels of IGF-1 and IGFBP-3 relate to a faster haematopoietic reconstitution after HSCT and suggest a biological influence of these mediators in haematopoietic homeostasis in these patients.

Original languageEnglish
JournalEuropean Journal of Haematology
Volume108
Issue number3
Pages (from-to)190-198
Number of pages9
ISSN0902-4441
DOIs
Publication statusPublished - Mar 2022

Bibliographical note

This article is protected by copyright. All rights reserved.

    Research areas

  • haematopoiesis, haematopoietic stem cell transplantation, immune reconstitution, insulin-like growth factor binding protein-3, insulin-like growth factor-1

ID: 68856863