(1) Three trichothecenes (deoxynivalenol [DON], 15-acetyldeoxynivalenol [15-ADON], and nivalenol [NIV]) and zearalenone (ZEA) were detected in corn samples, and DON, NIV, and ZEA were found in wheat samples.
(2) Parameters monitored during the fermentation were deoxynivalenol (DON) and 15-acetyl deoxynivalenol (15-ADON) production, fungal mass, carbohydrate utilization, and pH.
(3) 15-Acetyldeoxynivalenol (15-ADON), a biosynthetic precursor of deoxynivalenol (DON), was extracted from rice cultures of Fusarium graminearum R6576 and purified.
(4) Future risk assessments for DON should therefore include consideration of 15-ADON occurrence and toxicity.
(5) Risk assessments for DON should therefore consider the potential for 15-ADON occurrence and toxicity in food and feed.
(6) The results indicate that 15-ADON was more or less toxic than DON depending on the route of administration.
(7) Growing female B6C3F1 mice were fed semi-purified diets containing 0, 0.5, 2.0 and 5.0 ppm 15-ADON over 56 days and assessed for effects on feed intake, body-weight gain, terminal organ weights and blood clotting function.
(8) After a short review of the current mammographic techniques, the main features of synchroton radiation in the X-ray field are analyzed, especially of that emitted by the Adone storage ring.
(9) Compared with Shangqiu corn, the incidence and mean level of DON in Linxian were 2.4 and 5.8 times higher, respectively, and those of 15-ADON were 16.3 and 2.6 times higher, respectively.
(10) Although mice treated with 15-ADON had significantly decreased bleeding times, other measurements of clotting function indicated no differences between the control and treated groups.
(11) Combinations of deoxynivalenol (DON), 15-acetyldeoxynivalenol (15-ADON) and HT-2 toxin were tested at various concentrations and the effects were determined based on percent mortality.
(12) In general, qualitative and quantitative production of DON and 15-ADON by Fusarium graminearum R6576 were dependent on the composition of the complex liquid medium.
(13) This is the first report to demonstrate the presence of a group of mycotoxins in corn-staple food of Linxian residents, including Nivalenoal (NIV), Deoxynivalenol (DON), 3-acetyl-deoxynivalenol (3-ADON), 15-acetyl-deoxynivalenol (15-ADON), T-2 toxin (these 5 toxins belong to trichothecenes) and zearalenone (ZEN).
(14) For pigs receiving 15-ADON and DON ip, increased dosage was associated with decreased average time to vomition, increased duration of emesis and increased average number of vomitions.
(15) The acute toxic effects of deoxynivalenol (DON) and 15-acetyldeoxynivalenol (15-ADON) were compared in the B6C3F1 female mouse after oral and intraperitoneal exposure.
(16) Dietary 15-ADON at the 0.5- and 2.0-ppm levels did not show significant effects on weight gain, feed intake or organ weights.
(17) This is the first report of the natural coexistence of a group of Fusarium mycotoxins (nivalenol [NIV], deoxynivalenol [DON], 3-acetyl-deoxynivalenol [3-ADON], 15-acetyl-deoxynivalenol [15-ADON], and zearalenone [ZEN]) in corn from Linxian, China, an area with a high risk of esophageal cancer.
(18) Results indicated that 15-ADON was only slightly less toxic than DON and that chronic manifestations of dietary 15-ADON were similar to those found previously for DON.
Agonize
Definition:
(v. i.) To writhe with agony; to suffer violent anguish.
(v. i.) To struggle; to wrestle; to strive desperately.
(v. t.) To cause to suffer agony; to subject to extreme pain; to torture.
Example Sentences:
(1) The hypothesis that opiate agonism requires an N substituent in the axial position does not appear to be consistent with the increased potency of beta isomers in which axial N substituents are thermodynamically more unstable.
(2) Under conditions of 5-HT1-like, 5-HT2 and 5-HT3 receptor blockade, the following rank order of agonism was observed: 5-HT > 5-methoxytryptamine = renzapride > (S)-zacopride > (R,S-zacopride > 5-carboxamidotryptamine > BRL 24682 > (R-zacopride > metoclopramide > 2-methyl-5-HT > sulpiride.
(3) At the agonal stage, the isoproterenol dose-response curve was shifted significantly to the right in myocardial membranes from endotoxic rats, but there was no significant decrease in maximum stimulated activity.
(4) Agonal state effects the stability of brain compounds and causes brain hypoxia.
(5) However, further studies showed compounds which exhibited either partial agonism in the RFA and competitive antagonism of 5-HT in the RA, or antagonism of 5-HT in both arteries with different affinities.
(6) Catecholamines were detectable in the major neurons, in small intensely fluorescent cells, and in adrenergic fibers with varicosities at levels that varied with the patient's age, cause of death, duration of the agonal period, the treatment administered, and the time when the material had been taken after death.
(7) Certain derivatives of the antagonists naloxone and naltrexone showed partial agonism.
(8) Except for desGly(NH2)AVP, which is a weak V2 agonist, the remaining desGly and desGly(NH2) analogues of 1-3 exhibit substantial V2 agonism and are thus highly selective V2 agonists.
(9) But bureaucratic dysfunction means less than half have been given out – as shown by two state department charts – and only at the end of agonizingly long waiting periods .
(10) The results failed to support the female agonism hypothesis and indicate a need for more detailed studies of intermale social dynamics.
(11) In the inferior parietal cortex, agonal status confounded this comparison.
(12) Dilevalol is a novel antihypertensive agent combining vasodilation due to selective beta 2-adrenergic receptor agonism with nonspecific beta antagonism.
(13) The results indicate that alpha 2-adrenergic agonism with clonidine inhibits the bronchoconstriction induced by histamine.
(14) We have found no evidence of a physiologically relevant effect of serotonin agonism on osmoregulated vasopressin release, or on the ability of normal man to excrete a water load.
(15) The partial agonism of N alpha-guanylhistamine is related to the ability of the drug to bind with the receptor in two different modes with similar affinity.
(16) In contrast U50,488H produced biphasic curves characterized by a higher potency phase of agonism that was susceptible to antagonism by 16-methylcyprenorphine (RX8008M) and a lower potency phase that was apparently non-opioid in nature.
(17) As this profile of activity is not shared by the shorter-acting compound, salbutamol, it would seem that anti-inflammatory activity is associated with beta-adrenoceptor agonism of long duration.
(18) To clarify the regulation of duodenal motility, the aim of the present study was to investigate the effects of alpha-adrenoceptor agonism and blockade and of galanin on duodenal motility.
(19) Agonist-independent pA2 estimates for ICS 205-930 (6.3-6.6) suggest a single site of agonism.
(20) In addition, analyses of beta-adrenoceptor agonism and antagonism, using selective (beta 1: T-1583, beta 2: procaterol) and non-selective (isoproterenol) agonists as well as selective (beta 1: atenolol, beta 2: ICI 118,551) and non-selective (propranolol) antagonists, confirmed that beta-adrenoceptors in the canine facial vein are not homogeneous, with the beta 1-subtype predominating over the beta 2-subtype, and that the canine saphenous vein has a homogeneous population of the beta 2-subtype, as reported in the other species.