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WT5HZ]Objective:[WT5BZ] To investigate the cellular and molecular mechanisms of some Chinese drugs on apoptosis of thyrocytes in Graves’ disease. [WT5HZ]Methods: [WT5BZ]Two to ten weeks before and after using Chinese drugs on 13 Graves’ disease patients with anti thyroid drugs, patients’ thyroid tissue was aspired with percutaneous puncturing needle. The effects of some Chinese drugs on thyrocytes was studied by applying cell morphology (stained with nuclear fast red, NFR), flow cytometry (stained with propidium iodide, PI), and terminal uridine deoxynucleotidyl end labelling (TUNEL) technique (alkaline phosphatase and CBIP/NBT, NFR). The size of thyroid gland was measured by color Doppler ultrasonography. [WT5HZ]Results: [WT5BZ]After Chinese drug treatment, compared with single anti thyroid drug group, the size of thyroid was significantly reduced ( P <0.01). The apoptosis of thyrocytes can be observed by cell morphology such as chromatin condensation and nuclear fragmentation. The apoptosis rate is 18.66%±20.01% (n=13) in anti thyroid drugs plus Chinese drugs group, 2.11%±1.78% (n=13) in single anti thyroid drug group ( P <0.01). For up to 2-10 weeks, more TUNEL positive cells were found after treatment with Chinese drugs than those treated with anti thyroid drug alone.Conclusion: [WT5BZ]Some Chinese drugs when used in combination with anti thyroid drugs in treating Graves’ disease could induce apoptosis of thyrocytes. [WT5FZ]
WT5HZ] Objective: [WT5BZ] To investigate the cellular and molecular mechanisms of some Chinese drugs on apoptosis of thyrocytes in Graves ’disease. [WT5HZ] Methods: [WT5BZ] Two to ten weeks before and after using Chinese drugs on 13 Graves’ disease patients with anti thyroid drugs, patients’ thyroid tissue was aspired with percutaneous puncturing needle. The effects of some Chinese drugs on thyrocytes was studied by applying cell morphology (stained with nuclear fast red, NFR), flow cytometry (stained with propidium iodide, PI ), and terminal uridine deoxynucleotidyl end labeling (TUNEL) technique (alkaline phosphatase and CBIP / NBT, NFR). The size of thyroid gland was measured by color Doppler ultrasonography. [WT5HZ] Results: [WT5BZ] After Chinese drug treatment, compared with single anti thyroid drug group, the size of thyroid was significantly reduced (P <0.01). The apoptosis of thyrocytes can be observed by cell morphology such as chromatin condensation and nuclear fragmentation. The apoptosis rate was 18.66% ± 20.01% (n = 13) in anti-thyroid drugs plus Chinese drug group, 2.11% ± 1.78% (n = 13) 10 weeks, more TUNEL positive cells were found after treatment with Chinese drugs than those treated with anti thyroid drug alone. Confc: [WT5BZ] Some Chinese drugs when used in combination with anti thyroid drugs in treating Graves’ disease could induce apoptosis of thyrocytes. [WT5FZ]