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Article de Anglais | WPRIM | ID: wpr-919332

RÉSUMÉ

The present study aims to investigate the impact of hydrogen-rich water on the lactic acid level in metformin-treated diabetic rats under hypoxia. Thirty Sprague–Dawley rats were randomly divided into five groups, including normal diet group, and diabetes model (DM) group, DM + metformin treatment (DMM) group, DMM + hypoxia treatment (DMMH) group and DMMH + hydrogenrich water (DMMHR) group. We found that the levels of lactic acid, pyruvate and lactate dehydrogenase were significantly lower in the blood of DMMHR group than DMMH group. Superoxide dismutase and glutathione levels in liver and heart were significantly higher in DMMH group after hydrogen-rich water treatment, while malondialdehyde and oxidized glutathione levels were decreased in DMMHR group when compared with DMMH group, which indicates that hydrogen-rich water could reduce oxidative stress. qPCR analysis demonstrated that that pro-apoptotic genes Bax/Caspase-3 were upregulated in DM group and metformin treatment suppressed their upregulation (DMM group). However, hypoxic condition reversed the effect of metformin on apoptotic gene expression, and hydrogen-rich water showed little effect on these genes under hypoxia. HE staining showed that hydrogen-rich water prevented myocardial fiber damages under hypoxia. In summary, we conclude that hydrogen-rich water could prevent lactate accumulation and reduce oxidant stress in diabetic rat model to prevent hypoxia-induced damages. It could be served as a potential agent for diabetes patients with metformin treatment to prevent lactic acidosis and reduce myocardial damages under hypoxic conditions.

2.
China Pharmacy ; (12): 4038-4040, 2015.
Article de Chinois | WPRIM | ID: wpr-500691

RÉSUMÉ

OBJECTIVE:To provide reference for rational use of TCM injections. METHODS:Among the inpatients who used TCM injections in 4 hospitals of Shanghai Jiading district in 2013,100 cases were collected by systematic sampling in each hospital separately, and the data were analyzed retrospectively. RESULTS:The varieties and amount of TCM injections for blood-activating and stasis-resolving both occupied the first place. 22% inpatients used two or more TCM injections at the same time. The proportion of overdose use of TCM injections reached 54.55%. The type of unreasonable drug use mainly included drug use against differentiation of syndromes,super indications drugs and solvent error. Combined use of TCM injections with same ef-fect accounted for 20.45% of combined use of TCM injections. CONCLUSIONS:It is effective means to improve rational drug use that great impertance paid for clinical use of TCM injections.

3.
China Pharmacy ; (12)1991.
Article de Chinois | WPRIM | ID: wpr-529966

RÉSUMÉ

OBJECTIVE:To determine the content of ?9-tetrahydrocannabinol (THC) in hemp by GC-MS. METHODS: HP-5 quartz capillary column was used. The temperature programming was as follows: the initial temperature was kept at 200 ℃ for 1 min, then raised to 270 ℃ at the rate of 3 ℃?min-1 and kept for 10 min; the injector temperature was 280 ℃and the detector temperature was 290 ℃. RESULTS: The good linearity between peak area and concentration was obtained over the range of 5.0 ~45.0 ?g?mL-1 (r=0.998 7). The lowest detectable limit was 1.0 ?g?mL-1(S/N=5).The average recovery rate was 81.1% (RSD=3.8%,n=9). CONCLUSION: The procedure is simple, accurate and reproducible, and suitable for the quality control of hemp preparation.

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