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1.
Chinese Pharmacological Bulletin ; (12): 890-896, 2023.
Article in Chinese | WPRIM | ID: wpr-1013934

ABSTRACT

Aim To investigate the neuroprotective effect of prophylactic administration of salidroside (Sal) on MCAO rats. Methods A total of 52 SD adult male rats were randomly divided into sham operation group (Sham), model group (MCAO) and salidroside pre-administration group (MCAO + Sal). The dose of Sal was 50 mg·kg

2.
Chinese Pharmacological Bulletin ; (12): 543-548, 2023.
Article in Chinese | WPRIM | ID: wpr-1013834

ABSTRACT

Aim To develop a ultra-high performance liquid chromatography electrospray-ionization tandem mass spectrometry ( UPLC-MS/MS ) method for the simultaneous determination of salidroside derivative pOBz in rat plasma and brain tissue, and to study the pharmacokinetic profile and penetration of the blood-brain barrier in rats after a single dose intravenous administration of pOBz. Methods SD rats were administered pOBz at a dose of 50 mg • kg

3.
Chinese Pharmacological Bulletin ; (12): 67-72, 2022.
Article in Chinese | WPRIM | ID: wpr-1014174

ABSTRACT

Aim To study the neuroprotective effect of p-benzoyl salidroside (pOBz), a derivative of salidroside, on MCAO model rats.Methods ( 1 ) Thirty healthy adult male SD rats were randomly divided into Sham group, MCAO group and MCAO + pOBz group (25, 50, 1(X) mg • kg"1).MCAO model was made by suture-embolus method.The rats were scored for neurological function impairment and weighed every day.pOBz was intraperitoneally injected and administered continuously for two days after preparation of MCAO model.The cerebral infarction volume of rats was detected by MRI.( 2 ) Twenty-four healthy adult male SD rats were randomly divided into Sham group, MCAO group, MCAO + pOBz group (50 mg • kg"1 ) and MCAO + Sal group (50 mg • kg 1 ).The model was made by the suture-embolus method.pOBz was in-traperitoneally injected and administered continuously for one day.Western blot was used to detect the ex pression of NeuN, EGR1 , Bcl-2 and Bax.(3) Eighteen healthy adult male SD rats were randomly divided j j into Sham group, MCAO group and MCAO + pOBz group ( 50 mg • kg 1 ).Administration continued for 2 days.Immunofluorescence staining was used to detect the expression of NeuN.Results Intraperitoneal injection of pOBz for 2 days could reduce the cerebral infarction volume of MCAO rats, improve neurological impairment and increase the expression of NeuN and EGR1 , and the effect was better than that of Sal.pOBz improved Bcl-2/Bax in brain tissues of MCAO rats to the same extent as Sal did.Conclusions pOBz can reduce the volume of cerebral infarction in MCAO rats and has better neuroprotective effect than that of salidroside.

4.
Chinese Pharmacological Bulletin ; (12): 698-703, 2021.
Article in Chinese | WPRIM | ID: wpr-1014421

ABSTRACT

Aim To investigate the neuroprotective effect and mechanism of salidroside (Sal) on rats with permanent middle cerebral artery occlusion model (pMCAO) by regulating the PI3 K/AKT signaling pathway. Methods A total of 80 healthy adult SPF male SD rats were randomly divided into sham operation group (sham group), model group (pMCAO group), drug administration group (pMCAO + Sal group) and inhibitor group (pMCAO + Sal + YL group). After the pMCAO model rats were prepared by the line bolt method, salidroside (50 mg · kg

5.
Chinese Pharmacological Bulletin ; (12): 584-589, 2021.
Article in Chinese | WPRIM | ID: wpr-1014402

ABSTRACT

Aim To study the neuroprotective effect of rhubarb extract on MCAO model rats and explore its mechanism of action. Methods Forty-five SPF male Sprague-Dawley rats were randomly divided into sham group, MCAO group, and MCAO + rhubarb group. MCAO model was prepared by silk plug method, and rhubarb extract was administered at a concentration of 200 mg · kg

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