Serum angiogenin concentrations in young patients with diabetes mellitus

Francesco Chiarelli, M. Pomilio, A. Mohn, S. Tumini, A. Verrotti, A. Mezzetti, F. Cipollone, M. Wasniewska, G. Morgese, A. Spagnoli

Research output: Contribution to journalArticlepeer-review

35 Scopus citations


Background: Angiogenin serum levels were measured in a large group of type 1 diabetic young patients, looking at whether increased Angiogenin concentrations are associated with long-term glycemic control and microvascular complications. Materials and methods: Four groups of patients were compared to 223 age- and sex-matched healthy controls: 196 type 1 diabetic patients (age range 3-24 years, onset of diabetes before the age of 12 years; duration of disease longer than 2 years), without microvascular complications were divided into three groups on the basis of age (group 1, n = 37, age < 6 years; group 2, n = 71, age 6-12 years; group 3, n = 88, age > 12 years); 53 adolescents and young adults (age 16.1-29.7 years) with diabetic microvascular complications (background, preproliferative or proliferative retinopathy, albumin excretion rate 20-200 μg min-1) (group 4). Results: Angiogenin serum levels were significantly increased in diabetic pre-school and pre-pubertal children, and particularly elevated in pubertal subjects compared with age- and sex-matched controls. Adolescents and young adults with microvascular complications had very high angiogenin concentrations. One-year mean HbA1c values were correlated with angiogenin levels (r= 0.389; P < 0.01). In poorly controlled diabetics (HbA1c > 10%), long-term (2 years) improvement of glycemic control determined a significant reduction of angiogenin concentrations in both pre-school and pre-pubertal children as well as in pubertal youngsters. Conclusions: Angiogenin serum concentrations are increased in diabetic children even before puberty. Severity of microvascular complications is associated with markedly increased angiogenin serum levels. Long-term tight glycemic control determines a consistent reduction of angiogenin concentrations.

Original languageEnglish (US)
Pages (from-to)110-114
Number of pages5
JournalEuropean Journal of Clinical Investigation
Issue number2
StatePublished - 2002
Externally publishedYes


  • Angiogenin
  • Diabetes mellitus
  • Glycemic control
  • Microvascular complications
  • Young patients

ASJC Scopus subject areas

  • Biochemistry
  • Clinical Biochemistry


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