نتایج جستجو برای: t3
تعداد نتایج: 14239 فیلتر نتایج به سال:
Pulmonary surfactant is a mixture of lipids and proteins that controls the surface tension of the fluid lining the inner lung. Its composition is conserved amongst the vertebrates. Here, we hypothesise that the in ovo administration of glucocorticoids and thyroid hormones during late incubation will accelerate surfactant development in the saltwater crocodile, Crocodylus porosus. We also hypoth...
It is usually thought that bacteriophage T7 is female specific, while phage T3 can propagate on male and female Escherichia coli. We found that the growth patterns of phages T7M and T3 do not match the above characteristics, instead showing strain dependent male exclusion. Furthermore, a T3/7 hybrid phage exhibits a broader host range relative to that of T3, T7, as well as T7M, and is able to o...
3,5,3'-triiodo-L-thyronine (T3) and 3,5-diiodo-L-thyronine (T2), when administered to a model of familial hypercholesterolemia, i.e., low density lipoprotein receptor (LDLr)-knockout (Ldlr-/-) mice fed with a Western type diet (WTD), dramatically reduce circulating total and very low-density lipoprotein/LDL cholesterol with decreased liver apolipoprotein B (ApoB) production. The aim of the stud...
Tri-iodo-L-thyronine (T3) is essential for maintaining normal cardiac contractile function by regulating transcription of numerous T3-responsive genes. Both hormone availability and relative amounts of nuclear thyroid hormone receptor isoforms (TRalpha1, TRbeta1) determine T3 effectiveness. Cultured neonatal rat ventricular myocytes grown in T3-depleted medium expressed predominantly TRalpha1 p...
To evaluate the role of a circulating inhibitor of extrathyroidal conversion of T4 to T3 (IEC) in the causation of low T3 states in patients with various nonthyroidal illnesses (NTI), we measured the in vitro T3 production in the presence of ether extract of plasma. Blood samples were obtained from 22 normal subjects and 140 patients with various NTI; liver cirrhosis (LC) 37, diabetes mellitus ...
In order to investigate the relation of weight loss and intravenous hyperalimentation therapy to low T3 syndrome, serum T3, T4. rT3 and TBG were determined by radioimmunoassay in 105 cancer patients. The cancer patients were classified into 3 groups, Group I, II and III depending on the grade of weight loss, ranging up to a 5% change in weight loss from a healthy condition, from 5 to 9%, and mo...
OBJECTIVE To assess, during rapid maxillary expansion, the plaque index (PI) and the gingival index (GI) of patients with unilateral cleft lip and palate(UCLP) using Hyrax (HX) or inverted mini-Hyrax (IMHX) rapid maxillary expanders (RME) considering patients' sex and age. METHODS PI (Quigley Index modified by Turesky et al) and GI (Löe and Silness) of 28 UCLP (11 females; 17 males: aged 8 to...
We previously reported that the 3,5,3'-triiodo-L-thyronine (T3)-induced increase of Na-K-ATPase activity in rat alveolar epithelial cells (AECs) required activation of Src kinase, PI3K, and MAPK/ERK1/2. In the present study, we assessed the role of Akt in Na-K-ATPase activity and the interaction between the PI3K and MAPK in response to T3 by using MP48 cells, inhibitors, and constitutively acti...
اثر نوع کاه بر گوارش پذیری ظاهری در قوچ های تغذیه شده با جیره های پر کنسانتره بررسی شد. شانزده راس قوچ قزل با میانگین سنی13 ماه و میانگین وزنی 4/2± 0/40 کیلو گرم در قالب طرح کاملاً تصادفی در 4 تیمار با 4 تکرار در هر تیمار قرار گرفتند. تیمارهای آزمایشی شامل: جیره دارای 65 درصد کنسانتره و 35 درصد یونجه خشک (t1)، جیره دارای 65 درصد کنسانتره و 35 درصد کاه گندم (t2) ، جیره دارای 65 درصد کنسانتره و 35...
The present study was undertaken to define the source of endogenous triiodothyronine (T3) production responsible for maintaining serum T3 levels in euthyroid subjects with depressed serum thyroxine (T4) values. After withdrawal from 4 wk of exogenous T3 administration, a 22% decline in serum T3 values (from 129 +/- 6 to 99 +/- 4 ng/dl) was observed in six euthyroid subjects, despite a twofold r...
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