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Related Experiment Videos

Puberty decreases insulin sensitivity.

C A Bloch, P Clemons, M A Sperling

    The Journal of Pediatrics
    |March 1, 1987
    PubMed
    Summary
    This summary is machine-generated.

    Puberty decreases insulin sensitivity in children, requiring a 30% increase in insulin dosage for those with diabetes. This study investigated insulin responses and sensitivity in non-diabetic children during development.

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    Area of Science:

    • Pediatric Endocrinology
    • Metabolic Research
    • Diabetes Management

    Background:

    • Increased insulin requirements are common in diabetic children during puberty.
    • The impact of puberty on insulin sensitivity in non-diabetic children is not fully understood.

    Purpose of the Study:

    • To investigate changes in insulin secretion and sensitivity during puberty in children without diabetes.
    • To determine if decreased insulin sensitivity during puberty is a general phenomenon.

    Main Methods:

    • Oral glucose tolerance tests (OGTT) with varying glucose loads.
    • Euglycemic-hyperinsulinemic clamp studies to assess insulin sensitivity.
    • Correlation analysis with body mass index and hormone levels.

    Main Results:

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    • Pubertal children showed a threefold greater insulin response to OGTT compared to prepubertal children.
    • Insulin sensitivity was approximately 30% lower in pubertal children versus prepubertal children.
    • Insulin sensitivity inversely correlated with BMI, dehydroepiandrosterone sulfate, and IGF-I.

    Conclusions:

    • Puberty is associated with reduced insulin sensitivity, compensated by increased insulin secretion in healthy children.
    • Diabetic children may require an approximate 30% increase in insulin dosage at puberty onset.