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In rodents, the higher sensitivity can also be associated to a shorter plasma half-lifetime of T four than in humans because of considerable variations between species in the transport proteins for thyroid hormones. In plasma, the T four half-life is about 12—24 h in rats vs 5—9 days in people, and the serum ranges of TSH are about 25 times higher in rodents than in people.
Fifty per cent of survivors had been sacrificed 1 week later, and blood and urine samples have been taken. Resorcinol confirmed a focus-dependent increase in labelling index [ 3 H]thymidine , acanthosis, and papillomatosis. After utility of an ointment containing To study the goitrogenic exercise of resorcinol, feminine Wistar rats have been treated twice every day for 28 days by rubbing 6 g of an ointment containing Increased thyroid gland weights 2.
Determination of resorcinol conjugates within the h urine samples after 14 days of steady product remedy showed that a maximal 23 mg 2. Assuming a physique weight of sixty four kg IPCS, gives an publicity estimate of 0. In a report based mostly on client analysis data Gans, , under cheap maximum-use circumstances i.
Hence, an improved biodegradation rate results in reduced risks for the environment. Regarding the effects of resorcinol on aquatic species, the toxicity information set includes a variety of species from different trophic ranges. Results from checks with different aquatic species from completely different trophic ranges can be found for the acute toxicity of resorcinol to aquatic organisms.
More ordinary-use conditions would lead to exposures of about zero. Further particulars weren't given.
Animals that died confirmed hyperaemia and distension of abdomen and intestine, whereas there have been no gross lesions at necropsy in survivors Flickinger, In one other research with CFY rats. Most of the research are of adequate high quality and acceptable for threat characterization purposes.
Resorcinol is known to kind covalent bonds with haem Sessler et al. Effects on the thyroid gland have been reported each in animal studies and in case-reports in people. However, there are species differences within the susceptibility to goitrogens.
