Related Experiment Videos
Fetal microchimerism in Hashimoto's thyroiditis: a quantitative approach
Michael Klintschar1, Uta-Dorothee Immel, Astrid Kehlen
1Institute of Legal Medicine, University Halle-Wittenberg, Halle/Saale, Germany. michael.klintschar@medizin.uni-halle.de
European Journal of Endocrinology
|February 3, 2006
Summary
Fetal microchimerism (MCH) is present in Hashimoto's thyroiditis but absent in healthy thyroids. Blood group systems do not influence MCH development, though its biological significance remains unclear.
Area of Science:
- Immunology
- Endocrinology
- Genetics
Background:
- Fetal microchimerism (MCH), the transfer of fetal cells to the mother, is hypothesized to play a role in autoimmune diseases like autoimmune thyroiditis.
- Understanding the prevalence and influencing factors of MCH is crucial for elucidating its connection to disease pathogenesis.
Purpose of the Study:
- To quantify fetal engrafted cells in thyroid tissues.
- To investigate factors, including blood group systems, that may influence MCH development.
Main Methods:
- Quantitative real-time PCR using Y-chromosome and autosomal specific loci on thyroid specimens.
- Comparison of ABO and rhesus blood group distributions in mothers with and without MCH relative to their children's blood groups.
Main Results:
- MCH was detected in 8 of 21 Hashimoto's thyroiditis patients, but in none of 17 healthy thyroid glands.
- One of 18 nodular goiter samples showed MCH; no MCH was found in women without prior male pregnancies.
- No correlation was observed between MCH and mother/child incompatibilities in ABO and rhesus systems.
Conclusions:
- Fetal microchimerism is prevalent in Hashimoto's thyroiditis, rare in nodular goiter, and absent in normal thyroid glands.
- The biological significance of MCH in thyroid disease requires further investigation.
- Tested blood group systems do not appear to influence fetal MCH.