Gene expression of the insulin-like growth factor system during mouse kidney development

Dicky J. Lindenbergh-Kortleve, Roberto R. Rosato, Johan W. Van Neck, Jeroen Nauta, Marjolein Van Kleffens, Cora Groffen, Ellen C. Zwarthoff, Stenvert L.S. Drop

Research output: Contribution to journalArticlepeer-review

51 Scopus citations


Expression of the insulin-like growth factor (IGF) system was investigated in mouse renal development and physiology using non radioactive in situ hybridization and quantitative RT-PCR. IGF-I mRNA levels increased after birth and were confined to distal tubules and peritubular capillaries in the outer medulla. IGF-II mRNA levels were high in developing kidneys and peaked after birth. The type I receptor mRNA expression pattern mostly parallelled those of IGF-I and IGF-II. The IGF binding proteins (IGFBP's) showed weak mRNA expression for IGFBP-1 and -6. High fetal mRNA levels were measured for IGFBP-2 showing a similar profile in time as observed for IGF-II. Low fetal IGFBP-3 and -5 mRNA levels increased after birth. IGFBP-2, - 4 and -5 mRNA expression was localized to differentiating cells. In the mature kidney predominant expression was confined to proximal tubules (IGFBP-4), thin limbs of Henle's Loop (IGFBP-2), glomerular mesangial cells (IGFBP-5) and peritubular capillaries of the medulla (IGFBP-5). IGFBP-3 mRNA was exclusively expressed in endothelial cells of the renal capillary system. Distinct mRNA expression for each member of the IGF system may point to specific roles in development and physiology of the mouse kidney.

Original languageEnglish (US)
Pages (from-to)81-91
Number of pages11
JournalMolecular and cellular endocrinology
Issue number1-2
StatePublished - 1997


  • Development
  • IGF
  • IGFBPs
  • Mouse kidney
  • mRNA expression

ASJC Scopus subject areas

  • Biochemistry
  • Molecular Biology
  • Endocrinology


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