Abstract：
:Schizophrenia is a neuropsychiatric condition that reaches around 1% of people worldwide. Because taurine exerts a neuroprotective role in the brain, this molecule is a promising candidate to reduce schizophrenia-like symptoms. Here, we investigated a possible neuroprotective role of taurine against MK-801-induced memory deficit and hyperlocomotion in zebrafish using the inhibitory avoidance task and the novel tank diving test, respectively. First, we assessed the influence of different MK-801 doses (0.1, 0.3, 0.5, 1 and 2 mg/kg, i.p.) on memory consolidation. Although all MK-801 doses tend to reduce the retention index, only 2 mg/kg MK-801 showed robust amnesic effects. Then, we evaluated whether taurine pretreatments (42, 150 and 400 mg/L for 60 min) prevent MK-801-induced cognitive impairment. Immediately after the training, animals were exposed to non-chlorinated water or taurine and subsequently challenged with 2 mg/kg MK-801, i.p. The test session was performed 24 h after training. Although taurine alone did not change memory retention when compared with control, taurine pretreatments prevented MK-801-induced memory deficit. Importantly, no locomotor changes were observed 24 h after the training session. In the novel tank diving test, MK-801 induced hyperlocomotion and disrupted vertical activity, while 400 mg/L taurine pretreatment prevented these effects. Overall, our novel findings indicate a neuroprotective role of taurine against MK-801-induced memory deficit and hyperlocomotion, reinforcing the growing utility of zebrafish models to investigate the beneficial effects of different compounds against glutamate excitotoxicity.
journal_name
Neurochem Intjournal_title
Neurochemistry internationalauthors
Franscescon F,Müller TE,Bertoncello KT,Rosemberg DBdoi
10.1016/j.neuint.2020.104710subject
Has Abstractpub_date
2020-05-01 00:00:00pages
104710eissn
0197-0186issn
1872-9754pii
S0197-0186(20)30101-7journal_volume
135pub_type
杂志文章abstract：:Potassium bisperoxo(1,10-phenantroline)oxovanadate (V) [bpV(phen)] is a potent protein tyrocine phosphatase inhibitor which mediates a variety of biological effects. The aim of these studies was to examine the role(s) of mitogen activated protein kinase (MAPK) pathways in PC12 cell proliferation and toxicity by bpV(ph...
journal_title：Neurochemistry international
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pub_type： 杂志文章
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journal_title：Neurochemistry international
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journal_title：Neurochemistry international
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journal_title：Neurochemistry international
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journal_title：Neurochemistry international
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