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J Zhao et al.
Zhongguo Zhong xi yi jie he za zhi Zhongguo Zhongxiyi jiehe zazhi = Chinese journal of integrated traditional and Western medicine, 19(6), 335-336 (2002-01-11)
To investigate the cellular and molecular mechanisms of some Chinese herbs on apoptosis of thyrocytes in Graves' disease. Thirteen patients of Graves' disease were treated by anti-thyroid drugs and Chinese herbs were added in the therapeutic period for 2-10 weeks.
D Matthias et al.
Atherosclerosis, 122(2), 201-216 (1996-05-01)
Following oral administration of methionine in high doses to normotensive (NR) and spontaneously hypertensive (SHR) rats, its degradation product, homocysteine (HC), which is markedly elevated in serum, exerts an angiotoxic action directed to the aorta. This is accompanied by considerable
P Batjoens et al.
Journal of chromatography. A, 750(1-2), 127-132 (1996-10-25)
A more sensitive method was developed using the hyphenated technique of gas chromatography-mass spectrometry (GC-MS) supplementary to the official high-performance thin-layer chromatography (HPTLC) method. Even combined with less efficient extraction and clean-up methods, GC-MS is able to lower the detection
T Merkulova et al.
American journal of physiology. Endocrinology and metabolism, 278(2), E330-E339 (2000-02-09)
During muscle development, an isozymic transition of the glycolytic enzyme enolase occurs from the embryonic and ubiquitous alphaalpha-isoform to the muscle-specific betabeta-isoform. Here, we demonstrate a stimulatory role of thyroid hormones on these two enolase genes during rat development in
H el Btaouri et al.
European journal of biochemistry, 242(3), 506-511 (1996-12-15)
Regulation of annexin concentration and localization were investigated in thyroid tissues of hypothyroid [methylthiouracil (MeSur) treatment], euthyroid (control) and hyperthyroid [thyroxine (T4) treatment] rats. A low level of circulating thyroid hormones induces a decrease of total thyroid calcium-binding protein concentration
O V Remezova et al.
Voprosy pitaniia, (2)(2), 14-16 (1995-01-01)
In vitro experiments were shown that native ecologically pure non-starch polysaccharide crylan bind the bile acid. Crylan was found to decrease hyperlipidemia induced in rats by means of diet enriched with cholesterol and 6-methylthiouracil. This effect of crylan was more
R Serakides et al.
Veterinary pathology, 36(6), 574-582 (1999-11-24)
In order to study the morphology and morphometry and to characterize and quantify the nucleolar organizer regions (NORs) of bovine thyroids containing methylthiouracil (MTU) residues, five animals were orally treated with a suspension of MTU (5 g/animal/day) for 20 days
Margarita S Chernov'yants et al.
Journal of pharmaceutical sciences, 99(3), 1567-1573 (2009-09-24)
The pre-equilibrium capillary zone electrophoretic (pre-eq CZE) method to determine association constants of active anionic forms of antithyroid drugs: 6-n-propyl-2-thiouracil (PTU), 6-methyl-2-thiouracil (MTU), 2-thiouracil (TU) with bovine serum albumin (BSA) under physiological pH 7.4 has been developed for the first
A M Attia et al.
Nucleosides & nucleotides, 18(10), 2307-2315 (2000-01-05)
N3-beta-D-glucopyranosyl, galactopyranosyl and xylopyranosyl 6-methyl-2-methylthiouracil and their 5-bromo derivatives have been synthesized by coupling an alpha-acetobromosugar with the corresponding thiouracil. The new modified thiouridine analogues were evaluated for their inhibitory activity against Human Immunodeficiency Virus (HIV) replication in MT-4 cells
S Sarkar et al.
Folia biologica, 45(3-4), 109-112 (1997-01-01)
Adult female turtles (Lissemys punctata punctata) were treated with pineal indoleamine melatonin (100 micrograms/100 g) or the antithyroid agent, methylthiouracil (100 micrograms/100 g) or melatonin together with methylthiouracil (100 micrograms of each drug/100 g) for 12 days. Melatonin alone inhibited
Joseph F Contrera et al.
Regulatory toxicology and pharmacology : RTP, 38(3), 243-259 (2003-11-19)
MDL QSAR (formerly SciVision QSAR IS) software is one of the several software systems under evaluation by the Informatics and Computational Safety Analysis Staff (ICSAS) of the FDA Center for Drug Evaluation and Research for regulatory and scientific decision support
W Lu
Zhongguo Zhong xi yi jie he za zhi Zhongguo Zhongxiyi jiehe zazhi = Chinese journal of integrated traditional and Western medicine, 18(1), 18-20 (2001-05-22)
To seek for a safe and effective drug to treat hyperthyroidism. Sixty cases of hyperthyroidism with leukocytopenia induced by sulfourea drugs were divided into treatment and control groups by 31 cases who were treated by traditional medicine Syndrome Differentiation and
F R Lima et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 21(6), 2028-2038 (2001-03-14)
The postnatal development of rat microglia is marked by an important increase in the number of microglial cells and the growth of their ramified processes. We studied the role of thyroid hormone in microglial development. The distribution and morphology of
A Tohei et al.
The Journal of veterinary medical science, 60(4), 439-446 (1998-05-21)
The effect of hypothyroidism on adrenals and gonads in adult female rats was investigated throughout the estrous cycle. Hypothyroidism was induced by administration of 4-Methyl-2-Thiouracil (Thiouracil) in the drinking water. The weight of ovaries and adrenals, and the plasma levels
Philippe Ratajczak et al.
Journal of applied physiology (Bethesda, Md. : 1985), 99(1), 244-251 (2005-02-19)
Caveolins modulate signaling pathways involved in cardiac development. Caveolin-1 exists in two isoforms: the beta-isoform derivates from an alternative translational start site that creates a protein truncated by 31 amino acids, mainly expressed in endothelial cells, whereas caveolin-3 is present
K Olczyk et al.
Romanian journal of endocrinology, 31(1-2), 23-26 (1993-01-01)
Thyroid hormones or methylthiouracil (MTU) were given to healthy rats or animals with hepatic fibrosis. Administration of thyroid hormones to rats with carbon tetrachloride-induced hepatic fibrosis caused an increase in serum activity of matrix-degrading hydrolases although the increase was lower
Yue Wei et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 854(1-2), 239-244 (2007-05-25)
Based on the sensitizing effect of formaldehyde on the chemiluminescence (CL) reaction of propylthiouracil (PTU) and methylthiouracil (MTU) with acidic potassium permanganate and the combination technique of high-performance liquid chromatography (HPLC), a sensitive, selective and simple post-column CL detection method
Jennifer A Jacobsen et al.
Journal of medicinal chemistry, 54(2), 591-602 (2010-12-30)
Fragment-based lead design (FBLD) has been used to identify new metal-binding groups for metalloenzyme inhibitors. When screened at 1 mM, a chelator fragment library (CFL-1.1) of 96 compounds produced hit rates ranging from 29% to 43% for five matrix metalloproteases
J Vanden Bussche et al.
Analytica chimica acta, 637(1-2), 2-12 (2009-03-17)
Thyreostatic drugs (TS), illegally administrated to livestock for fattening purposes, are banned in the European Union since 1981 (Council Directive 81/602/EC). This paper reviews the trends in the analytical approaches for the determination of TS drugs in biological matrices. After
M J Groot et al.
Zentralblatt fur Veterinarmedizin. Reihe A, 45(6-7), 425-440 (1998-10-30)
This study investigates the influence of low dosages of beta-agonists combined with other growth promoters on screening and confirmation methods in male veal calves. Five groups of four calves were treated for 6 weeks with combinations of low dosages of
Henryk Wincel
Journal of the American Society for Mass Spectrometry, 25(12), 2134-2142 (2014-10-02)
Hydration reactions of protonated and sodiated thiouracils (2-thiouracil, 6-methyl-2-thiouracil, and 4-thiouracil) generated by electrospray ionization have been studied in a gas phase at 10 mbar using a pulsed ion-beam high-pressure mass spectrometer. The thermochemical data, ΔH(o)n, ΔS(o)n, and ΔG(o)n, for
A A Abdel-Rahman
Die Pharmazie, 56(10), 773-776 (2001-10-31)
This paper describes the regiospecific synthesis of 5-halo-2-methylthiouracil nucleosides by direct glycosylation followed by halogenation by an electrophilic halogen reagent and sodium azide under mild conditions. The compounds were suggested to be effective as antiviral agents.
G Vargas et al.
Journal of capillary electrophoresis, 5(1-2), 9-12 (1999-05-18)
In this work, a new capillary zone electrophoresis (CZE) method has been developed for the analysis of thyreostatic drugs (TD) such as methylthiouracil (MTU), propylthiouracil (PTU), and thiouracil (TU) in urine specimens. An untreated fused-silica capillary tube (75 microns i.d.
Lei Zhang et al.
Journal of chromatography. A, 1074(1-2), 1-7 (2005-06-09)
A method for determination of thyreostatic residues in animal tissues by matrix solid-phase dispersion (MSPD) and gas chromatography-mass spectrometry in selected ion detection mode was developed. Thyreostatic compounds in different matrices were extracted and purified by combination of MSPD and
A Heeremans et al.
The Analyst, 123(12), 2629-2632 (1999-08-06)
In addition to methods for the determination of residues, there is an important need for knowledge of the fate and excretion of growth promoting substances in fattening animals. In court, often simple questions are asked, such as, over what period
S Nishida et al.
FEBS letters, 416(1), 69-71 (1997-11-22)
Alterations in the superoxide dismutase (SOD) content of thyroid tissues occurring in association with thyroid dysfunction have been reported. In this study, the Mn-SOD content was found to increase in thyroid tissues of rats administered thyroid stimulating hormone (TSH) and
L Krivánková et al.
Electrophoresis, 17(12), 1959-1963 (1996-12-01)
Capillary zone electrophoresis was optimized for the separation of thiouracil, methylthiouracil and propylthiouracil. Methylthiouracil could be determined in various types of urine (human, bovine, horse), either without any pretreatment or in ethyl acetate extracts, within 15 min. For identification, the
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