reynoutria ×bohemica/glutation

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Effect of Nrf2 activators on release of glutathione, cysteinylglycine and homocysteine by human U373 astroglial cells.

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Neurons rely on the release and subsequent cleavage of GSH to cysteinylglycine (CysGly) by astrocytes in order to maintain optimal intracellular GSH levels. In neurodegenerative diseases characterised by oxidative stress, neurons need an optimal GSH supply to defend themselves against free radicals

Polydatin administration improves serum biochemical parameters and oxidative stress markers during chronic alcoholism: a pilot study.

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OBJECTIVE Polydatin, a hydroxystilbene derived from the rhizome of Polygonum cuspidatum, elicits hepatoprotective and neuroprotective effects through its anti-oxidant properties. The present study aimed to determine the effects of oral administration of polydatin in alcoholic patients in order to

Polygonum cuspidatum extract attenuates fructose-induced liver lipid accumulation through inhibiting Keap1 and activating Nrf2 antioxidant pathway.

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Polygonum cuspidatum has been used in traditional Chinese medicine to treat liver disorders associated with oxidative stress, inflammation and lipid accumulation for centuries in patients.The aim of this study was to examine whether P. cuspidatum extract

Gastroprotective and Healing Effects of Polygonum cuspidatum Root on Experimentally Induced Gastric Ulcers in Rats

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Polygonum cuspidatum is widely used as food and medicine in Korea, China, and Japan. Its major bioactive components, resveratrol and emodin, reportedly protect against gastric lesions. We therefore aimed to investigate: (1) the gastroprotective effects of P. cuspidatum roots in

Comparative studies of polydatin and resveratrol on mutual transformation and antioxidative effect in vivo.

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BACKGROUND Polydatin and resveratrol are extractives of radix or rhizoma of Polygonum cuspidatum, and as the glycoside forms, it is a natural precursor of resveratrol. OBJECTIVE In this study, we aimed to explore the mutual transformation between polydatin and resveratrol in rats, and to compare the

Amelioration of doxorubicin‑induced cardiotoxicity by resveratrol.

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Doxorubicin (DOX), is a highly active anticancer agent, but its clinical use is limited by its severe cardiotoxic side‑effects associated with increased oxidative stress and apoptosis. Resveratrol (RSVL) is a naturally occurring polyphenolic compound (trans-3,5,4'-trihydroxystilbene) found primarily

Resveratrol attenuates oxidative damage and ameliorates cognitive impairment in the brain of senescence-accelerated mice.

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OBJECTIVE Resveratrol (Res) which is a polyphenolic phytoalexin, has various biological properties. In the present study, we investigated whether Res extracted from Polygonum cuspidatum can reduce oxidative damage and cognitive impairment in senescence-accelerated mouse

The Protective Effect of Polygonum cuspidatum (PCE) Aqueous Extract in a Dry Eye Model.

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Dry eyes are caused by highly increased osmolarity of tear film, inflammation, and apoptosis of the ocular surface. In this study, we investigated the effect of Polygonum cuspidatum (PCE) aqueous extract in in vivo and in vitro dry eye models. Dry eye was induced by excision of the lacrimal gland

Protective effects of polydatin from Polygonum cuspidatum against carbon tetrachloride-induced liver injury in mice.

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Polydatin is one of main compounds in Polygonum cuspidatum, a plant with both medicinal and nutritional value. The possible hepatoprotective effects of polydatin on acute liver injury mice induced by carbon tetrachloride (CCl(4)) and the mechanisms involved were investigated. Intraperitoneal

8-Hydroxycalamenene isolated from the rhizomes of Reynoutria elliptica exerts neuroprotective effects both in vitro and in vivo.

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Retinal ganglion cells (RGCs) death caused by oxidative stress is a common risk factor for glaucoma. In the present study, 8-hydroxycalamenene was isolated from the hexane fraction of Reynoutria elliptica. We showed that 8-hydroxycalamenene attenuated the cell death of transformed RGC-5 cells. This

2-Methoxystypandrone inhibits signal transducer and activator of transcription 3 and nuclear factor-κB signaling by inhibiting Janus kinase 2 and IκB kinase.

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Constitutive activation of the signal transducer and activator of transcription 3 (STAT3) or the nuclear factor-κB (NF-κB) pathway occurs frequently in cancer cells and contributes to oncogenesis. The activation of Janus kinase 2 (JAK2) and IκB kinase (IKK) are key events in STAT3 and NF-κB

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