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Platelet epidermal growth factor in thyroid disorders

M Okada1, Y Kamiya, J Ito

  • 1Third Department of Internal Medicine, Nagoya City University Medical School, Nagoya, Japan.

Endocrine Journal
|June 13, 1998
PubMed
Summary
This summary is machine-generated.

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Thyroid function impacts epidermal growth factor (EGF) levels in platelets. Untreated Graves' disease showed higher platelet EGF, which normalized after treatment, suggesting EGF

Area of Science:

  • Endocrinology
  • Hematology
  • Molecular Biology

Background:

  • Thyroid disorders, such as Graves' disease and hypothyroidism, are common endocrine conditions.
  • Epidermal growth factor (EGF) plays a role in cell growth and differentiation.
  • Platelets are known to store and release various growth factors.

Purpose of the Study:

  • To investigate the concentration of epidermal growth factor (EGF) in platelets, serum, and plasma of patients with thyroid disorders.
  • To determine the relationship between thyroid function and EGF levels in these biological samples.

Main Methods:

  • Collected blood samples from patients with Graves' disease, hypothyroidism, and healthy controls.
  • Isolated platelets and lysed them to extract EGF.
  • Measured EGF concentration using homologous radioimmunoassay.

Related Experiment Videos

  • Assessed platelet volume and serum/plasma EGF levels.

    • Main Results:

    • Platelet EGF concentration was significantly higher in patients with untreated Graves' disease compared to healthy controls.
    • Platelet EGF levels decreased to normal after antithyroid treatment in Graves' disease patients.
    • Platelet EGF concentration decreased in hypothyroid patients after thyroxine replacement therapy.
    • Mean platelet volume was larger in untreated Graves' disease patients and decreased after treatment.
    • Serum and plasma EGF levels increased in hypothyroid patients after replacement therapy.

    Conclusions:

    • Thyroid function significantly affects the concentration of EGF in platelets.
    • EGF may serve as a potential biomarker in thyroid disorders.
    • Further research is warranted to elucidate the precise role of EGF in thyroid pathophysiology.