نتایج جستجو برای: Thyroid hormone
تعداد نتایج: 204833 فیلتر نتایج به سال:
The combination of elevated serum levels of free thyroid hormones with non-suppressed thyroid-stimulating hormone suggests the differential diagnoses of resistance to thyroid hormone or thyroid-stimulating hormone-secreting pituitary tumour. Clinical differentiation of these two conditions can be difficult, because patients with thyroid hormone resistance may exhibit various combinations of hyp...
The transcription of the human UCP3 (uncoupling protein-3) gene in skeletal muscle is tightly regulated by metabolic signals related to fatty acid availability. However, changes in thyroid status also modulate UCP3 gene expression, albeit by unknown mechanisms. We created transgenic mice bearing the entire human UCP3 gene to investigate the effect of thyroid hormones on human UCP3 gene expressi...
Thyroid hormone excess due to any cause is state of thyrotoxicosis, whereas hyperthyroidism is a state of thyroid hormone excess due to hyperfunctioning of thyroid gland. The major causes of thyrotoxicosis include Graves’ disease, solitary toxic adenoma, and toxic multinodular goiter. In thyrotoxicosis, free hormone levels are invariably increased. The reverse is not true in that increased free...
objective: diabetes mellitus and thyroid disease are the two common endocrinopathies seen in adult population. studies to evaluate thyroid disorders in patients with type 2 diabetes are lacking. the aim of this study was to compare prevalence of thyroid dysfunction and autoim-munity in type 2 diabetic patients with age and sex matched non-diabetic control group. material and methods: among pati...
Cutaneous manifestations of thyroid diseases can be divided into three groups:1-Specific lesions such as the thyroglossal duct cyst and cutaneous metastases form thyroid malignancy.2-Nonspecific signs secondary to thyroid hormone imbalance.3-Cutaneous signs of associated systemic and dermatologic disorders.This re...
Among the most dramatic actions of thyroid hormone are those exerted on brain development and function. In the adult human brain, a deficiency or excess of thyroid hormone may lead to various psychiatric manifestations, but it is during development when thyroid hormone exerts its most varied and critical actions on neural tissue. In humans, a deficiency of thyroid hormone taking place during a ...
The purpose of this review is to provide an up-to-date report on the molecular and physiologic processes involved in the role of thyroid hormone as an epigenetic factor in brain maturation. We summarize the available data on the control of brain gene expression by thyroid hormone, the correlation between gene expression and physiologic effects, and the likely mechanisms of action of thyroid hor...
Leptin and thyroid hormone are two hormones that regulate energy balance through central signaling mechanisms. Recent studies in leptin-deficient ob/ob mice indicate that leptin also has peripheral effects in modulating the function of the growth plate, perhaps in terms of proliferation and differentiation enhancement. Thyroid hormone has been well-described as a potent stimulator of growth pla...
Thyroid hormone has been known for decades as a hormone with profound effects on energy expenditure and ability to control weight. The regulation of energy expenditure by thyroid hormone primarily occurs via regulation of the activity, or expression, of uncoupling proteins in peripheral tissues. However, mechanistically this requires a signal from the brain to change circulating levels of thyro...
Thyroid hormone is long known as an important regulator of metabolism. It exerts general effects such as increased cycling of metabolites and stimulation of ATP turnover in spite of reduced efficiency of oxidative phosphorylation, but also very specific effects in peripheral tissues. This article reviews the most relevant metabolic effects of thyroid hormone in peripheral tissues, including the...
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