نتایج جستجو برای: تیروکسین t4

تعداد نتایج: 15171  

Journal: :Proceedings of the National Academy of Sciences 1977

Journal: :Endocrinology 1994
M E Everts R Docter E P Moerings P M van Koetsveld T J Visser M de Jong E P Krenning G Hennemann

The uptake of [125I]T4 was investigated in cultured anterior pituitary cells isolated from adult fed Wistar rats and cultured for 3 days in medium containing 10% fetal calf serum. Experiments were performed with [125I]T4 (10(5) to 2 x 10(6) cpm; 0.35-7 nM) in medium containing 0.5% or 0.1% BSA. The uptake of [125I]T4 increased with time and showed equilibrium after around 1 h of incubation. The...

Journal: :Journal of laparoendoscopic & advanced surgical techniques. Part A 2008
Nelson Wolosker Guilherme Yazbek Augusto Ishy José Ribas M de Campos Paulo Kauffman Pedro Puech-Leão

PURPOSE We compared the results from a video-assisted thoracoscopic sympathectomy (VTS) at the T4 denervation level with those from a VTS at the T3 level for the treatment of palmar hyperhydrosis (PH). METHODS Seventy patients with PH were prospectively followed for VTS at the T3 or T4 denervation levels for 6 months. The end points of this study were: absence of PH, compensatory hyperhydrosi...

Journal: :The Journal of biological chemistry 1986
D M Hinton N G Nossal

The bacteriophage T4 uvsX gene is a nonessential gene required for normal levels of DNA repair, recombination, and replication. We demonstrate that plasmids containing the T4 DNA approximately 300-2900 base pairs upstream of T4 gene 41 express a biologically active uvsX protein. This uvsX protein imparts increased survival to UV-irradiated T4 uvsX- phage and decreases the T4 uvsX- mutant suppre...

Journal: :The Journal of clinical investigation 1979
P R Larsen T E Dick B P Markovitz M M Kaplan T G Gard

Iopanoic acid has been shown to block thyroxine (T4)-5'-monodeiodination in rat anterior pituitary in vitro. To test the hypothesis that the acute decrease in thyrotropin (TSH) after infusion of T4 into hypothyroid rats requires intrapituitary T4 to 3,5,3'-triiodothyroxine (T3) conversion, the effect of iopanoic acid treatment on the generation of nuclear T3 from intrapituitary conversion and t...

Journal: :Clinical science 1995
O Olivieri D Girelli M Azzini A M Stanzial C Russo M Ferroni R Corrocher

1. Iodothyronine 5'-deiodinase, which is mainly responsible for peripheral triiodothyronine (T3) production, has recently been demonstrated to be a selenium-containing enzyme. In the elderly, reduced peripheral conversion of thyroxine (T4) to T3 and overt hypothyroidism are frequently observed. 2. We measured serum selenium and erythrocyte glutathione peroxidase (as indices of selenium status),...

2017
Cuixia Gao Yu Wang Tingting Li Jing Huang Limin Tian

The purpose of the study was to observe changes in the skeletal system of rats with subclinical hypothyroidism (SCH) and to determine whether L-thyroxine (L-T4) administration suppresses those changes. Sixty male Wistar rats were randomly divided into control, SCH, and SCH+T4 groups. SCH was induced in rats by administration of methimazole (MMI), and rats in the SCH+T4 group were treated with L...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2001
J W George B A Stohr D J Tomso K N Kreuzer

Double-strand break (DSB) repair and DNA replication are tightly linked in the life cycle of bacteriophage T4. Indeed, the major mode of phage DNA replication depends on recombination proteins and can be stimulated by DSBs. DSB-stimulated DNA replication is dramatically demonstrated when T4 infects cells carrying two plasmids that share homology. A DSB on one plasmid triggered extensive replica...

Journal: :Clinical chemistry 1990
M R Pandian C Morgan J C Nelson D A Fisher

Using the simple method of protein analysis described here, we could identify thyroxin (T4)-binding-protein abnormalities in euthyroid patients with hyperthyroxinemia or hypothyroxinemia. Serum incubated with [125I]thyroxin was analyzed by agarose gel electrophoresis, with bromphenol blue staining of protein. The relative distribution of radioactive T4 was determined for each binding protein--t...

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