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532339 occurrences (No.23 in the rank) during 5 years in the PubMed. [no cache] 500 found

202) The histopathological studies in the brain of rats also supported that QE markedly reduced the Cd-induced histopathological changes and well preserved the normal histological architecture of the frontal cortex tissue.

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PMID:23645211 DOI:10.1177/0748233713486960

2015 Toxicology and industrial health

* Role of quercetin in cadmium-induced oxidative stress, neuronal damage, and apoptosis in rats.

- The present study was carried out to evaluate the neuroprotective effect of quercetin (QE) in protecting the cadmium (Cd)-induced neuronal injury in frontal cortex of rats. A total of 30 adult male Sprague-Dawley rats were randomly divided into three groups of 10 animals each: control, Cd treated and Cd treated with QE. The Cd-treated group was injected subcutaneously with cadmium chloride (CdCl2) dissolved in saline at a dose of 2 ml/kg/day for 30 days, resulting in a dosage of 1 mg/kg Cd. The rats in QE-treated groups were given QE (15 mg/kg body weight) once a day intraperitoneally starting 2 days prior to Cd injection, during the study period. Rats were sacrificed at the end of the study and the frontal cortex tissues were removed for biochemical and histopathological investigation. To date, there is no available information on the effect of QE on neuronal injury after Cd exposure. Rats intoxicated with Cd for 30 days, significantly increased tissue malondialdehyde (MDA) levels and significantly decreased enzymatic antioxidants superoxide dismutase, glutathione peroxidase and catalase in the frontal cortex tissue. Administration of QE with Cd significantly diminished the levels of MDA and significantly elevated the levels of enzymatic antioxidants in the frontal cortex tissue. The histopathological studies in the brain of rats also supported that QE markedly reduced the Cd-induced histopathological changes and well preserved the normal histological architecture of the frontal cortex tissue. The caspase-3 immunopositivity was increased in degenerating neurons of the Cd group. Treatment with QE markedly reduced the immunoreactivity of degenerating neurons. In conclusion, the results of the current study suggest that QE may be beneficial in combating the Cd-induced neurotoxicity in the brain of rats. We believe that further preclinical research into the utility of QE may indicate its usefulness as a potential treatment for neurodegeneration after Cd exposure in rats.

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(2)47 null	(15)7 should	(28)3 for	(41)2 indicated
(3)32 of	(16)6 is	(29)3 however,	(42)2 investigating
(4)26 are	(17)6 we	(30)3 performed	(43)2 involving
(5)26 on	(18)5 suggest	(31)3 reported	(44)2 it
(6)19 in	(19)5 the	(32)3 since	(45)2 or
(7)17 were	(20)4 as	(33)3 which	(46)2 provide
(8)16 and	(21)4 demonstrated	(34)2 about	(47)2 published
(9)15 to	(22)4 evaluating	(35)2 also	(48)2 regarding
(10)10 showed	(23)4 from	(36)2 can	(49)2 targeting
(11)8 revealed	(24)4 indicate	(37)2 concerning	(50)2 tested
(12)8 that	(25)4 show	(38)2 demonstrating	(51)2 used
(13)8 using	(26)3 based	(39)2 has	(52)2 was

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--- WordNet output for studies --- Overview of noun study The noun study has 10 senses (first 8 from tagged texts) 1. (90) survey, study -- (a detailed critical inspection) 2. (17) study, work -- (applying the mind to learning and understanding a subject (especially by reading); "mastering a second language requires a lot of work"; "no schools offer graduate study in interior design") 3. (6) report, study, written report -- (a written document describing the findings of some individual or group; "this accords with the recent study by Hill and Dale") 4. (6) study -- (a state of deep mental absorption; "she is in a deep study") 5. (6) study -- (a room used for reading and writing and studying; "he knocked lightly on the closed door of the study") 6. (3) discipline, subject, subject area, subject field, field, field of study, study, bailiwick -- (a branch of knowledge; "in what discipline is his doctorate?"; "teachers should be well trained in their subject"; "anthropology is the study of human beings") 7. (2) sketch, study -- (preliminary drawing for later elaboration; "he made several studies before starting to paint") 8. (1) cogitation, study -- (attentive consideration and meditation; "after much cogitation he rejected the offer") 9. study -- (someone who memorizes quickly and easily (as the lines for a part in a play); "he is a quick study") 10. study -- (a composition intended to develop one aspect of the performer's technique; "a study in spiccato bowing") Overview of verb study The verb study has 6 senses (first 6 from tagged texts) 1. (73) analyze, analyse, study, examine, canvass, canvas -- (consider in detail and subject to an analysis in order to discover essential features or meaning; "analyze a sonnet by Shakespeare"; "analyze the evidence in a criminal trial"; "analyze your real motives") 2. (17) study -- (be a student; follow a course of study; be enrolled at an institute of learning) 3. (15) study, consider -- (give careful consideration to; "consider the possibility of moving") 4. (13) learn, study, read, take -- (be a student of a certain subject; "She is reading for the bar exam") 5. (5) study, hit the books -- (learn by reading books; "He is studying geology in his room"; "I have an exam next week; I must hit the books now") 6. (2) study, meditate, contemplate -- (think intently and at length, as for spiritual purposes; "He is meditating in his study") --- WordNet end ---