Low level IGF-1 and common variable immune deficiency: an unusual combination

K van Bilsen, G J Driessen, R A de Paus, E van de Vosse, K van Lom, M C van Zelm, K H Lam, N G Hartwig, G S Baarsma, M van de Burg, P M van Hagen

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A relation between growth hormone (GH) deficiency and immunoglobulin deficiency has been suggested previously in a few cases. We describe a patient with an insulin-like growth factor 1 (IGF-1) deficiency and common variable immune deficiency and briefly review earlier publications on the possible interaction between IGF-1 and the immune system. IGF-1 is the downstream mediator of GH. In this patient, GH and IGF-1 levels were both low. The GH response to a GH-releasing hormone test was normal whereas no subsequent IGF-1 response was seen. In our cohort of 14 patients with hypogammaglobulinaemia, two turned out to have slightly decreased IGF-1 serum levels and one patient with a thymoma had an increased IGF-1 level. Even though IGF-1 may be connected to B lymphocyte differentiation, in this patient we hypothesise there is a common impairment in the IGF-1 and IgG pathways.

Original languageEnglish
Pages (from-to)368-72
Number of pages5
JournalThe Netherlands journal of medicine
Issue number9
Publication statusPublished - Oct 2008


  • Adolescent
  • Antibodies, Anti-Idiotypic/blood
  • Biomarkers/blood
  • Common Variable Immunodeficiency/blood
  • Follow-Up Studies
  • Humans
  • Immunoglobulin A/blood
  • Immunoglobulin G/blood
  • Insulin-Like Growth Factor I/deficiency
  • Male
  • Time Factors


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