نتایج جستجو برای: تیروکسین t4
تعداد نتایج: 15171 فیلتر نتایج به سال:
Here, we announce the complete genome sequence of the Escherichia coli myophage vB_EcoM_Alf5 belonging to the genus Felixo1virus, whose members have not been comprehensively studied at the molecular level. Phage vB_EcoM_Alf5 infects E. coli K-12-derived laboratory strains and therefore is well suited for functional studies.
The postulate that thyroxine (T4) in plasma enters tissues by protein-mediated transport or enhanced dissociation from plasma-binding proteins leads to the conclusion that almost all T4 uptake by tissues in the rat occurs via the pool of albumin-bound T4 (Pardridge, W. M., B. N. Premachandra, and G. Fierer. 1985. Am. J. Physiol. 248:G545-G550). To directly test this postulate, and to test more ...
To study the protective effects of maternal thyroxine (T4) and 3,5,3'-triiodothyronine (T3) in congenital hypothyroidism, we gave pregnant rats methimazole (MMI), an antithyroid drug that crosses the placenta, and infused them with three different doses of T4 or T3. The concentrations of both T4 and T3 were determined in maternal and fetal plasma and tissues (obtained near term) by specific RIA...
Glucuronidation, which may take place on the phenolic hydroxyl and carboxyl groups, is a major pathway of metabolism for thyroxine (T4) and triiodothyronine (T3). In this study, a liquid chromatography/mass spectrometry (LC/MS) method was developed to separate phenolic and acyl glucuronides of T4 and T3. The method was used to collect the phenolic glucuronide of T4 for definitive characterizati...
هورمون های تیروئیدی نقش مهمی در متابولیسم اکسیداتیو پرندگان دارند. بالا رفتن میزان این هورمون ها سبب افزایش متابولیسم پایه وافزایش نیاز بدن به اکسیژن می شود. این امر سبب افزایش برون ده قلبی و افزایش فشار خون ریوی می گردد که با گذشت زمان سبب هیپرتروفی بطن راست و تجمع خون در وریدهای سیستمیک و هیپرتروفی بطن چپ می گردد. در مطالعه حاضر از 120 قطعه جوجه خروس یک روزه سویه تجاری راس استفاده گردید جوجه ...
The scaffolding core in bacteriophages is a temporary structure that plays a major role in determining the shape of the protein shell that encapsulates the viral DNA. In the currently accepted structure for the scaffolding core in bacteriophage T4, there is a symmetry mismatch between the protein shell, which has fivefold symmetry, and the scaffolding core, which is believed to consist of six h...
Phage T4 is known to have a linear duplex chromosome that is circularly permuted and terminally repeated. We found, by denaturation and self-reannealing experiments, that circular permutation in T4 native DNA is not random. Their multimodal distribution of permutation is compatible with the "headful packaging" model with the additional specifications that the encapsulation of DNA starts at seve...
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