Effects of thyroid hormone on carbonic anhydrase I concentration in human erythroid burst-forming unit-derived cells
| Autor: | Kouki Mori, Keishi Abe, Yoshinori Kiso, Hiroshi Fukazawa, Noriyo Sayama, Yoshihiko Aizawa, Hironobu Hori, Kyou Kikuchi, Yoshida K, K Endo |
|---|---|
| Rok vydání: | 1996 |
| Předmět: |
Adult
Male medicine.medical_specialty Triiodothyronine Reverse genetic structures medicine.medical_treatment Peripheral blood mononuclear cell Endocrinology Internal medicine Erythroid Burst Forming Unit medicine Humans Carbonic Anhydrase I Carbonic Anhydrases Erythroid Precursor Cells Triiodothyronine Dose-Response Relationship Drug Chemistry Thyroid Thyroxine Red blood cell medicine.anatomical_structure Cytokine Female Hormone |
| Zdroj: | Endocrinology. 137:1828-1832 |
| ISSN: | 1945-7170 0013-7227 |
| DOI: | 10.1210/endo.137.5.8612521 |
| Popis: | Individuals with hyperthyroidism exhibit red blood cell concentrations of carbonic anhydrase I (CAI) that reflect the integrated serum thyroid hormone concentration over the preceding few months. Furthermore, T3, at a physiological free concentration, decreases the CAI concentration in human erythroleukemic YN-1 cells. The effect of T3 on CAI concentration in burst-forming unit-erythroid (BFU-E)- derived cells, obtained by culturing peripheral blood mononuclear cells with various cytokines, including erythropoietin, has now been investigated. BFU-E-derived cells contained a high concentration of CAI (mean +/- SE, 4.8 +/- 0.8 x 10(-12) mol/10(6) cells; n = 8). The CAI in BFU-E-derived cells was immunologically identical to that present in mature red blood cells. T3 decreased the CAI concentration in BFU-E-derived cells in a dose-dependent manner (28%, 47% and 75% decreases at 3 x 10(-10), 1 x 10(-9), and 3 x 10(-9) mol/liter T3, respectively). These results suggest that BFU-E-derived cells may be used to study the effect of T3 on human red blood cell CAI. This system may prove useful in the tissue diagnosis of resistance to thyroid hormone. |
| Databáze: | OpenAIRE |
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