Dodder (Cuscuta sp.) extract prevents cognitive deficits in a rat model of hepatic encephalopathy.

Northern clinics of Istanbul Pub Date : 2024-11-14 eCollection Date: 2024-01-01 DOI:10.14744/nci.2023.95776
Omercan Albayrak, Bilge Nur Hatipoglu, Dilek Ozbeyli, Ali Sen, Turkan Koyuncuoglu, Ozge Cevik, Feriha Ercan, Fatma Kanpalta, Ahmet Dogan, Seren Ede Pazarbasi, Goksel Sener
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Abstract

Objective: In our study, the protective effect of dodder plant extract against encephalopathy induced by cholestatic liver disease model was investigated.

Methods: Spraque Dawley rats were used in the study. For the cholestatic liver disease model, the bile duct ligation (BDL) was applied. The groups were determined as control, Cuscuta sp. (CUS), BDL and BDL + CUS. Double ligation was performed in the bile duct in the BDL groups. For the applications, saline (SF) was administered to the control and BDL groups for 28 days while 250 mg/kg of Cuscuta sp. extract was given by oral gavage to the CUS and BDL + CUS groups. At the end of the experiment, cognitive evaluations were made by applying new object recognition and Morris water maze tests. After these tests, blood-brain barrier (BBB) measurements were made in half of the groups. In the other half of the groups, brain tissue samples were taken by decapitation and transforming growth factor-beta (TGF-β), 8-hydroxydeoxyguanosine (8-OHdG) and sodium-potassium adenosine triphosphatase (Na+/K+-ATPase) measurements were made in the tissues. Histological examinations of the tissues were also performed.

Results: Cognitive performance was low, and BBB permeability was found to be increased in the group with bile duct ligation. In addition, TGF-β and 8-OHdG levels were increased in tissues, while Na+/K+-ATPase enzyme activity was suppressed. Treatment with Cuscuta sp. increased cognitive performance and decreased BBB permeability. Other biochemical parameters examined were significantly (p<0.05-0.001) reversed and supported by histological findings.

Conclusion: Our findings in the study suggest that dodder plant may be beneficial for the protection of cognitive performance and brain tissue in encephalopathy caused by cholestasis.

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