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We are analyzing https://link.springer.com/article/10.1007/s11064-011-0561-8.

Title:
Resveratrol Pretreatment Attenuates Cerebral Ischemic Injury by Upregulating Expression of Transcription Factor Nrf2 and HO-1 in Rats | Neurochemical Research
Description:
Oxidative stress damage plays a vital role in cerebral ischemia/reperfusion (I/R) pathogenesis. The nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway can be activated by pharmacological and dietary means to attenuate cellular oxidative stress. Resveratrol, a plant-derived polyphenolic compound, has antioxidant property. Recent studies have demonstrated that resveratrol has protective effects against cerebral I/R injury. However, little is known about its mechanism. Hence, this study identified the neuroprotective effect of resveratrol pretreatment and elucidate the Nrf2/ARE signaling mechanism after focal cerebral I/R injury in rats. Adult male Sprague–Dawley rats were randomly assigned to sham-operated group, ischemia/reperfusion physiological saline-treated group, and ischemia/reperfusion resveratrol-pretreatmented (15 and 30 mg/kg) groups. Rats were pretreatmented with resveratrol or physiological saline of corresponding volume administered intraperitoneally for 7 days before surgery and 30 min before middle cerebral artery occlusion. At 24 h after reperfusion, neurological score, infarct volume, and brain water content were assessed. Oxidative stress was evaluated by malondialdehyde (MDA) levels and superoxide dismutase (SOD) activity. Pathological changes of brain tissue were observed by HE staining. RT-PCR and Western blot analysed the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1). TUNEL staining detected apoptotic cells. The protein expression of Caspase-3 were studied by immunohistochemistry. Resveratrol pretreatment significantly ameliorated neurological scores, reduced infarct volume and brain water content, decreased MDA levels, restored the SOD activity, upregulated the protein and mRNA expression of Nrf2 and HO-1, downregulated the protein expression of caspase-3. TUNEL-positive cells significantly decreased compared with the physiological saline-treated group. HE staining also showed that resveratrol significantly improved neuronal injury. These results showed that resveratrol pretreatment had neuroprotective effects on cerebral I/R injury. This neuroprotective effect is likely exerted by upregulated expression of transcription factor Nrf2 and HO-1 to ameliorate oxidative damage, decreased the protein expression of caspase-3. Our finding is important for understanding the neuroprotective mechanism of resveratrol and promoting its clinical therapeutic utility.
Website Age:
28 years and 1 months (reg. 1997-05-29).

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Keywords {🔍}

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Topics {✒️}

oxidative stress-inducible genes month download article/chapter cerebral ischemia-reperfusion injur neonatal cerebral hypoxia-ischemia physiological saline-treated group oxidized ldl-induced breakage plant-derived polyphenolic compound catechol-type electrophilic compound ischemia/reperfusion resveratrol-pretreatmented nrf2-regulated genes induced cerebral ischemia/reperfusion focal cerebral ischemia ischemia–reperfusion injury ischemia reperfusion injury ischemia/reperfusion injury ischemia-reperfusion injury transcription factor nrf2 full article pdf nrf2-mediated transcription ameliorate oxidative damage hypoxic-ischemic injury de oliveira ac related subjects traditional risk factors privacy choices/manage cookies /antioxidant response element ischemic brain damage oxidative stress antioxidant action ischemic brain edema ischemic brain diseases nmda-induced neurotoxicity qin yang curcumin improves outcomes resveratrol pretreatment free radical formation sham-operated group article ren focal cerebral european economic area western blot analysed pro-oxidant agent smilacis chinae rhizome induces messenger rna chemopreventive agent sulforaphane perfusion mri study ischemia-reperfusion cerebral ischemia protects rat brains experimental ischemic stroke

Schema {🗺️}

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         headline:Resveratrol Pretreatment Attenuates Cerebral Ischemic Injury by Upregulating Expression of Transcription Factor Nrf2 and HO-1 in Rats
         description:Oxidative stress damage plays a vital role in cerebral ischemia/reperfusion (I/R) pathogenesis. The nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway can be activated by pharmacological and dietary means to attenuate cellular oxidative stress. Resveratrol, a plant-derived polyphenolic compound, has antioxidant property. Recent studies have demonstrated that resveratrol has protective effects against cerebral I/R injury. However, little is known about its mechanism. Hence, this study identified the neuroprotective effect of resveratrol pretreatment and elucidate the Nrf2/ARE signaling mechanism after focal cerebral I/R injury in rats. Adult male Sprague–Dawley rats were randomly assigned to sham-operated group, ischemia/reperfusion physiological saline-treated group, and ischemia/reperfusion resveratrol-pretreatmented (15 and 30 mg/kg) groups. Rats were pretreatmented with resveratrol or physiological saline of corresponding volume administered intraperitoneally for 7 days before surgery and 30 min before middle cerebral artery occlusion. At 24 h after reperfusion, neurological score, infarct volume, and brain water content were assessed. Oxidative stress was evaluated by malondialdehyde (MDA) levels and superoxide dismutase (SOD) activity. Pathological changes of brain tissue were observed by HE staining. RT-PCR and Western blot analysed the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1). TUNEL staining detected apoptotic cells. The protein expression of Caspase-3 were studied by immunohistochemistry. Resveratrol pretreatment significantly ameliorated neurological scores, reduced infarct volume and brain water content, decreased MDA levels, restored the SOD activity, upregulated the protein and mRNA expression of Nrf2 and HO-1, downregulated the protein expression of caspase-3. TUNEL-positive cells significantly decreased compared with the physiological saline-treated group. HE staining also showed that resveratrol significantly improved neuronal injury. These results showed that resveratrol pretreatment had neuroprotective effects on cerebral I/R injury. This neuroprotective effect is likely exerted by upregulated expression of transcription factor Nrf2 and HO-1 to ameliorate oxidative damage, decreased the protein expression of caspase-3. Our finding is important for understanding the neuroprotective mechanism of resveratrol and promoting its clinical therapeutic utility.
         datePublished:2011-08-18T00:00:00Z
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            Resveratrol
            Cerebral ischemia/reperfusion
            Oxidative stress
            Neuroprotection
            Nuclear factor erythroid 2-related factor 2 (Nrf2)
            Heme oxygenase 1 (HO-1)
            Caspase-3
            Neurosciences
            Neurochemistry
            Biochemistry
            general
            Cell Biology
            Neurology
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               name:Junwei Ren
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                     address:
                        name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
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               name:Cengceng Fan
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               name:Na Chen
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                     name:The First Affiliated Hospital of Chongqing Medical University
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      headline:Resveratrol Pretreatment Attenuates Cerebral Ischemic Injury by Upregulating Expression of Transcription Factor Nrf2 and HO-1 in Rats
      description:Oxidative stress damage plays a vital role in cerebral ischemia/reperfusion (I/R) pathogenesis. The nuclear factor erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway can be activated by pharmacological and dietary means to attenuate cellular oxidative stress. Resveratrol, a plant-derived polyphenolic compound, has antioxidant property. Recent studies have demonstrated that resveratrol has protective effects against cerebral I/R injury. However, little is known about its mechanism. Hence, this study identified the neuroprotective effect of resveratrol pretreatment and elucidate the Nrf2/ARE signaling mechanism after focal cerebral I/R injury in rats. Adult male Sprague–Dawley rats were randomly assigned to sham-operated group, ischemia/reperfusion physiological saline-treated group, and ischemia/reperfusion resveratrol-pretreatmented (15 and 30 mg/kg) groups. Rats were pretreatmented with resveratrol or physiological saline of corresponding volume administered intraperitoneally for 7 days before surgery and 30 min before middle cerebral artery occlusion. At 24 h after reperfusion, neurological score, infarct volume, and brain water content were assessed. Oxidative stress was evaluated by malondialdehyde (MDA) levels and superoxide dismutase (SOD) activity. Pathological changes of brain tissue were observed by HE staining. RT-PCR and Western blot analysed the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1). TUNEL staining detected apoptotic cells. The protein expression of Caspase-3 were studied by immunohistochemistry. Resveratrol pretreatment significantly ameliorated neurological scores, reduced infarct volume and brain water content, decreased MDA levels, restored the SOD activity, upregulated the protein and mRNA expression of Nrf2 and HO-1, downregulated the protein expression of caspase-3. TUNEL-positive cells significantly decreased compared with the physiological saline-treated group. HE staining also showed that resveratrol significantly improved neuronal injury. These results showed that resveratrol pretreatment had neuroprotective effects on cerebral I/R injury. This neuroprotective effect is likely exerted by upregulated expression of transcription factor Nrf2 and HO-1 to ameliorate oxidative damage, decreased the protein expression of caspase-3. Our finding is important for understanding the neuroprotective mechanism of resveratrol and promoting its clinical therapeutic utility.
      datePublished:2011-08-18T00:00:00Z
      dateModified:2011-08-18T00:00:00Z
      pageStart:2352
      pageEnd:2362
      sameAs:https://doi.org/10.1007/s11064-011-0561-8
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         Resveratrol
         Cerebral ischemia/reperfusion
         Oxidative stress
         Neuroprotection
         Nuclear factor erythroid 2-related factor 2 (Nrf2)
         Heme oxygenase 1 (HO-1)
         Caspase-3
         Neurosciences
         Neurochemistry
         Biochemistry
         general
         Cell Biology
         Neurology
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      author:
            name:Junwei Ren
            affiliation:
                  name:The First Affiliated Hospital of Chongqing Medical University
                  address:
                     name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
                     type:PostalAddress
                  type:Organization
                  name:Chongqing Fuling Central Hospital
                  address:
                     name:Department of Neurology, Chongqing Fuling Central Hospital, Fuling District, Chongqing, China
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Cengceng Fan
            affiliation:
                  name:The First Affiliated Hospital of Chongqing Medical University
                  address:
                     name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Na Chen
            affiliation:
                  name:The First Affiliated Hospital of Chongqing Medical University
                  address:
                     name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Jiagui Huang
            affiliation:
                  name:The First Affiliated Hospital of Chongqing Medical University
                  address:
                     name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
                     type:PostalAddress
                  type:Organization
            type:Person
            name:Qin Yang
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                  name:The First Affiliated Hospital of Chongqing Medical University
                  address:
                     name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
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      name:Chongqing Fuling Central Hospital
      address:
         name:Department of Neurology, Chongqing Fuling Central Hospital, Fuling District, Chongqing, China
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      name:The First Affiliated Hospital of Chongqing Medical University
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         name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
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         name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
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            name:The First Affiliated Hospital of Chongqing Medical University
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            name:The First Affiliated Hospital of Chongqing Medical University
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      name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
      name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
      name:Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Yuzhong District, Chongqing, China
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