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Changes in plasma fibronectin levels in thyroid diseases.

A Shirakami, Y Hirai, T Takeichi

Hormone and Metabolic Research = Hormon- Und Stoffwechselforschung = Hormones Et Metabolisme

|May 1, 1986

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Plasma fibronectin (Fn) levels differ in thyroid conditions, being high in hyperthyroidism and low in hypothyroidism. Fn levels normalize with treatment, correlating with thyroid hormone levels, indicating altered Fn metabolism in thyroid disease.

Area of Science:

Endocrinology
Biochemistry
Clinical Medicine

Background:

Fibronectin (Fn) is a glycoprotein involved in cell adhesion and tissue repair.
Thyroid hormones play a crucial role in regulating metabolism.

Purpose of the Study:

To investigate plasma fibronectin levels in patients with various thyroid diseases.
To explore the relationship between fibronectin levels and thyroid function.
To assess the utility of plasma fibronectin as a marker for monitoring thyroid disease treatment.

Main Methods:

Plasma fibronectin levels were measured in normal subjects and patients with hyperthyroidism, hypothyroidism, and simple goiter.
Correlation analysis was performed between fibronectin levels and serum triiodothyronine (T3) and thyroxine (T4) levels.

Related Experiment Videos

Changes in fibronectin levels were monitored during anti-thyroid drug treatment.

Main Results:

Plasma Fn levels were significantly elevated in hyperthyroidism (62.6 mg/dl) and decreased in hypothyroidism (19.2 mg/dl) compared to normal subjects (32.0 mg/dl).
Patients with simple goiter showed normal plasma Fn levels (29.1 mg/dl).
Plasma Fn levels normalized with anti-thyroid treatment, correlating with improved thyroid function and normalized T3 and T4 levels.

Conclusions:

Plasma fibronectin levels are altered in thyroid diseases, reflecting changes in fibronectin metabolism.
Plasma Fn measurement can serve as a biomarker for assessing thyroid dysfunction and monitoring treatment efficacy.