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- W4313448622 abstract "Abstract Chronic liver disease (CLD) is a serious condition where various toxins present in the blood affect the brain leading to type C hepatic encephalopathy (HE). Both adults and children are impacted, while children may display unique vulnerabilities depending on the affected window of brain development. We aimed to use the advantages of high field 1 H MRS to study longitudinally the neurometabolic and behavioural effects of Bile Duct Ligation (animal model of CLD-induced type C HE) on rats at post-natal day 15 (p15) to get closer to neonatal onset liver disease. Furthermore, we compared two sets of animals (p15 and p21-previously published) to evaluate whether the brain responds differently to CLD according to age onset. We showed for the first time that when CLD was acquired at p15, the rats presented the typical signs of CLD, i.e. rise in plasma bilirubin and ammonium, and developed the characteristic brain metabolic changes associated with type C HE (e.g. Gln increase and osmolytes decrease). When compared to rats that acquired CLD at p21, p15 rats did not show any significant difference in plasma biochemistry, but displayed a delayed increase in brain Gln and decrease in tCho. The changes in neurotransmitters were milder than in p21 rats. Moreover, p15 rats showed an earlier increase in brain Lac and a different antioxidant response. These findings offer tentative pointers as to which neurodevelopmental processes may be impacted and raise the question of whether similar changes might exist in humans but are missed owing to 1 H MRS methodological limitations in field strength of clinical magnet." @default.
- W4313448622 created "2023-01-06" @default.
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- W4313448622 date "2022-12-20" @default.
- W4313448622 modified "2023-10-11" @default.
- W4313448622 title "Neurometabolic changes in a rat pup model of type C Hepatic Encephalopathy depend on age of liver disease onset" @default.
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- W4313448622 doi "https://doi.org/10.21203/rs.3.rs-2354178/v1" @default.
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