(1) Expression of the DIT and DIT2 genes is restricted to sporulating cells, with the DIT1 transcripts accumulating at the time of prospore enclosure and just prior to the time of dityrosine biosynthesis.
(2) The volume fraction of synthetic organelles in smooth muscle cells from the DIT of both males and females is of a highly significant difference from the volume fraction of synthetic organelles in cells of the subjacent media.
(3) Urinary excretion of intact DIT was low, being less than 1% of the administered dose of exogenous DIT within 2 days.
(4) Our data confirm the in vivo generation of extrathyroidal DIT from T4 in the rat.
(5) In contrast, 52% of the iodine administered in the form of DIT was excreted in the urine in the same time interval.
(6) Short periods of loading do not alter deiodination of L-DIT in liver or kidney at all; but lead to significant elevation of L-T4-deiodination in liver tissue.
(7) DIT may play a central role in the regulation of energy expenditure and in the etiology of certain types of obesity.
(8) DIT and BAT are controlled by hormonal action: noradrenaline appears to be the primary activator of BAT and insulin may be required for DIT and may even activate thermogenesis.
(9) The levels of MIT, DIT, T3 and T4 in the thyroid, and T3, T4 and TSH in serum, and the amount of iodine transport and synthesis of organic iodine in thyroid were determined.
(10) Higher doses or longer periods of loading cause a significant rise of L-DIT-deiodination in liver and kidney, while the L-T4-deiodination in liver is significantly decreased and in kidney significantly elevated.
(11) The secretion of gastric acid in the peptic ulcer patients were examined by the dopamine infusion test (DIT).
(12) In rats hypothyroidized with methylthiouracil (MTU), methimazol (MMI), or radiothyroidectomy, the extent of deiodination for L-diiodotyrosine (L-DIT) and L-thyroxine (L-T4) was investigated in homogenate supernatants of liver and kidney.
(13) two pentapeptides, apparently of the sequence Tyr-Asn-Asx-Lys-Gly, isolated as the DIT and MIT derivatives.
(14) There was no significant correlation between sex, age, presence of diabetes, mode of dialysis, years of chronic renal failure, years of dialysis or years of aluminum ingestion and any neurologic or neurobehavioral measurement, serum aluminum level, or DIT.
(15) The carbonyl complexes were found to be efficient hepatobiliary agents and cleared more rapidly than the corresponding 99mTcN- and 99mTc(dit)-complexes.
(16) From the results of kinetic studies and RIA measurements, the fraction of circulating T4 converted to DIT was calculated to be 3.9-4.3%.
(17) While rT3 is elevated in almost all critically ill patients, the increase in DIT is indicative of severe infection.
(18) The reaction is effectively quenched by the antioxidant, 2,6-dit-butyl-4-hydroxymethyl phenol as well as by Mn+2 (10(-5)-10(-3)M).
(19) The relative affinity of T3, T4, rT3, MIT, and DIT were in good agreement with their biological activity.
(20) Splitting off of sialic acid diminishes thenumber of phenolic groups of tyrosine, MIT, DIT and T4, which dissociate below pH 12-5.
Rit
Definition:
() 3d pers. sing. pres. of Ride, contracted from rideth.
Example Sentences:
(1) A Monte Carlo simulation was performed to characterize the spatial and energy distribution of bremsstrahlung radiation from beta point sources important to radioimmunotherapy (RIT).
(2) The hprt T-lymphocyte cloning assay, which detects mutations occurring in vivo in humans, has been used to examine mutants induced in patients receiving radioimmunoglobulin therapy (RIT) for cancer.
(3) Incubation of normal pig lymphocytes in serum samples collected from 10 sows immediately before, and at daily intervals after mating with a vasectomized boar significantly elevated the rosette inhibition titre (RIT) of a standard antilymphocyte serum in 6 animals on the first but not on the 2nd and 3rd day after copulation.
(4) Measurement of the basal serum RIT may contribute to the diagnosis of pancreatitis in patients with hypocorticism but provides no information on this pathology in patients with endogenous hypercorticism.
(5) The rosette inhibition titers (RIT) for sera from 94 women at various stages of gestation were detected with a standardized rosette inhibition test.
(6) The RIT 4237 live attenuated bovine rotavirus vaccine was given orally at three dose levels to 75 breast-fed, 40 formula-fed and 24 fasting infants ages 4 to 6 months.
(7) This low value is in accordance with previously reported theoretical calculations for long range, low-LET isotopes and may be one of the reasons why RIT using 131I has severe limitations.
(8) The other determinant of the therapeutic ratio of RIT reagents--normal tissue toxicity--is best analyzed in large animals, such as dogs.
(9) Growth delay was measured in TK-82 renal cell carcinoma (RCC) xenografts implanted in nude mice receiving single fraction external beam irradiation (SF-XRT), multifraction external beam irradiation (MF-XRT), or radioimmunotherapy (RIT).
(10) Vaccinal strains were attenuated by APR-8 recombination and selection of mutants resistant to serum inhibitors (Alice, RIT 4025, RIT 4050 strains).
(11) Ethnographic interviews with 23 first-year students at the National Technical Institute for the Deaf at Rochester Institute of Technology (NTID at RIT) were used to gather information about communication.
(12) For amniotic fluids, the PCR was 100% sensitive when correlated with the RIT but had a lesser sensitivity when applied to sera or cerebrospinal fluids, which typically contain few treponemes.
(13) This article concentrates on some of the dosimetric aspects affecting the potential success of RIT, and examines factors which influence the choice of a radiolabel for RIT.
(14) The results showed that 73% of seroconversion was obtained when RIT 4237 was administered alone and that the responses to polioviruses types 1 and 3 were good.
(15) Although the activity detected is one of a complex biological fluid (pregnancy serum) in a complex biological assay, this ability of pregnancy sera to cause increased rosette inhibition titres (RIT) has generally been ascribed to the presence of an 'early pregnancy factor' (EPF).
(16) Genetic analysis of a mutation affecting the thermal response of the 50S ribosomal subunit to in vitro polyphenylalanine synthesis indicates that the gene, rit, is located near metB on the Escherichia coli chromosome and that the probable gene order is metB-rit-arg-rpo.
(17) No interference by the RIT 4237 strain on live attenuated polioviruses was observed.
(18) A candidate rotavirus vaccine RIT 4256, derived from Nebraska calf diarrhea virus by 21 tissue culture passages, was tested in humans and compared with the RIT 4237 vaccine derived from the same stem virus by 147 tissue culture passages.
(19) In 6 month old children the RIT 4256 vaccine elicited a serological response in 12 of the 21 (57%) seronegative recipients; two children had a possible fever reaction from the vaccination.
(20) Radioimmunotherapy (RIT) is rapidly attracting interest as a potential new weapon in the arsenal for cancer therapy.