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Hypothyroidism (underactive thyroid) occurs when the thyroid gland fails to produce sufficient thyroid hormonesprimarily thyroxine (T4) and triiodothyronine (T3)
Factors increasing the production of reactive species can be internal, such as inflammation, or external such as pollution, UV exposure, xenobiotic compounds, and cigarette smoke
Zinc is necessary for the activity of a number of transcription factors such as those of the nuclear receptor (steroid and thyroid hormone receptor superfamily) family through its role in the formation of the structurally critical zinc finger domain that binds to DNA
Regulatory frameworks require detailed impurity profiling (0.10%) and stability-indicating assays, making LC-MS an essential tool in GLP-1 drug development and quality control
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