Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri
Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiologic...
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| Autor*in: |
Zhang, Haiying [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome - Sexton, Travis R. ELSEVIER, 2015, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:110 ; year:2022 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.jtherbio.2022.103355 |
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| 245 | 1 | 0 | |a Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri |
| 264 | 1 | |c 2022transfer abstract | |
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| 520 | |a Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. | ||
| 520 | |a Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. | ||
| 650 | 7 | |a Oxidative stress |2 Elsevier | |
| 650 | 7 | |a Nanorana parkeri |2 Elsevier | |
| 650 | 7 | |a Heat exposure |2 Elsevier | |
| 650 | 7 | |a Antioxidant defense |2 Elsevier | |
| 700 | 1 | |a Zhang, Xuejing |4 oth | |
| 700 | 1 | |a Xu, Tisen |4 oth | |
| 700 | 1 | |a Li, Xiangyong |4 oth | |
| 700 | 1 | |a Storey, Kenneth B. |4 oth | |
| 700 | 1 | |a Chen, Qiang |4 oth | |
| 700 | 1 | |a Niu, Yonggang |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Sexton, Travis R. ELSEVIER |t The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome |d 2015 |g Amsterdam [u.a.] |w (DE-627)ELV013083279 |
| 773 | 1 | 8 | |g volume:110 |g year:2022 |g pages:0 |
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10.1016/j.jtherbio.2022.103355 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059730692 (ELSEVIER)S0306-4565(22)00169-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhang, Haiying verfasserin aut Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Oxidative stress Elsevier Nanorana parkeri Elsevier Heat exposure Elsevier Antioxidant defense Elsevier Zhang, Xuejing oth Xu, Tisen oth Li, Xiangyong oth Storey, Kenneth B. oth Chen, Qiang oth Niu, Yonggang oth Enthalten in Elsevier Science Sexton, Travis R. ELSEVIER The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome 2015 Amsterdam [u.a.] (DE-627)ELV013083279 volume:110 year:2022 pages:0 https://doi.org/10.1016/j.jtherbio.2022.103355 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 110 2022 0 |
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10.1016/j.jtherbio.2022.103355 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059730692 (ELSEVIER)S0306-4565(22)00169-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhang, Haiying verfasserin aut Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Oxidative stress Elsevier Nanorana parkeri Elsevier Heat exposure Elsevier Antioxidant defense Elsevier Zhang, Xuejing oth Xu, Tisen oth Li, Xiangyong oth Storey, Kenneth B. oth Chen, Qiang oth Niu, Yonggang oth Enthalten in Elsevier Science Sexton, Travis R. ELSEVIER The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome 2015 Amsterdam [u.a.] (DE-627)ELV013083279 volume:110 year:2022 pages:0 https://doi.org/10.1016/j.jtherbio.2022.103355 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 110 2022 0 |
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10.1016/j.jtherbio.2022.103355 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059730692 (ELSEVIER)S0306-4565(22)00169-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhang, Haiying verfasserin aut Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Oxidative stress Elsevier Nanorana parkeri Elsevier Heat exposure Elsevier Antioxidant defense Elsevier Zhang, Xuejing oth Xu, Tisen oth Li, Xiangyong oth Storey, Kenneth B. oth Chen, Qiang oth Niu, Yonggang oth Enthalten in Elsevier Science Sexton, Travis R. ELSEVIER The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome 2015 Amsterdam [u.a.] (DE-627)ELV013083279 volume:110 year:2022 pages:0 https://doi.org/10.1016/j.jtherbio.2022.103355 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 110 2022 0 |
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10.1016/j.jtherbio.2022.103355 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059730692 (ELSEVIER)S0306-4565(22)00169-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhang, Haiying verfasserin aut Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Oxidative stress Elsevier Nanorana parkeri Elsevier Heat exposure Elsevier Antioxidant defense Elsevier Zhang, Xuejing oth Xu, Tisen oth Li, Xiangyong oth Storey, Kenneth B. oth Chen, Qiang oth Niu, Yonggang oth Enthalten in Elsevier Science Sexton, Travis R. ELSEVIER The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome 2015 Amsterdam [u.a.] (DE-627)ELV013083279 volume:110 year:2022 pages:0 https://doi.org/10.1016/j.jtherbio.2022.103355 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 110 2022 0 |
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10.1016/j.jtherbio.2022.103355 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001982.pica (DE-627)ELV059730692 (ELSEVIER)S0306-4565(22)00169-3 DE-627 ger DE-627 rakwb eng 610 VZ 600 690 VZ 51.00 bkl 51.32 bkl Zhang, Haiying verfasserin aut Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. Oxidative stress Elsevier Nanorana parkeri Elsevier Heat exposure Elsevier Antioxidant defense Elsevier Zhang, Xuejing oth Xu, Tisen oth Li, Xiangyong oth Storey, Kenneth B. oth Chen, Qiang oth Niu, Yonggang oth Enthalten in Elsevier Science Sexton, Travis R. ELSEVIER The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome 2015 Amsterdam [u.a.] (DE-627)ELV013083279 volume:110 year:2022 pages:0 https://doi.org/10.1016/j.jtherbio.2022.103355 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 51.00 Werkstoffkunde: Allgemeines VZ 51.32 Werkstoffmechanik VZ AR 110 2022 0 |
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Enthalten in The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome Amsterdam [u.a.] volume:110 year:2022 pages:0 |
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Effects of acute heat exposure on oxidative stress and antioxidant defenses in overwintering frogs, Nanorana parkeri |
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Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. |
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Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. |
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Climate warming is intensifying on the Tibetan Plateau and poses a serious threat to amphibians that live there. Although hibernation physiology and ecology of Nanorana parkeri, a frog species native to the Tibetan plateau, has been well studied, little information is available about the physiological and biochemical responses to acute rising temperature. Here, we conducted an acute warming experiment comparing hibernating N. parkeri (acclimated at 4 °C) and frogs acutely warmed to 10 °C for 12 h, comparing indicators of oxidative stress and antioxidant defense between the two groups. Acute warming led to a significant increase in the content of oxidized glutathione and the ratio of oxidized:reduced glutathione in liver and muscle, indicating that rapid warming causing oxidative stress could be a negative factor for frogs inhabiting the Tibetan plateau. Malondialdehyde content increased by 57% only in muscle but decreased significantly in three tissues. Protein carbonyl groups rose by 15% in brain, 28% in liver, and 21% in muscle after heat exposure but vitamin C content in heart decreased by 44%. Acute heat exposure also induced tissue-specific upregulation of antioxidant enzyme activities. Catalase activity increased by 27% in heat-exposed frogs, as compared to controls, and glutathione peroxidase activity rose by 12% in brain, 30% in liver, and 12% in muscle. Glutathione-S-transferase activity was also enhanced in heart and muscle of heat-exposed frogs. Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. These results reveal the physiological responses to acute temperature change in overwintering N. parkeri. |
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Acute warming also resulted in a rise in total antioxidant capacity in all tissues examined except kidney, relative to controls. In summary, our findings show that acute heat exposure to hibernating N. parkeri causes a tissue-specific increase in oxidative damage and antioxidant defenses, with skeletal muscle being the most affected tissue. 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ELSEVIER</subfield><subfield code="t">The Effect of Rosuvastatin on Platelet-Leukocyte Interactions in the Setting of Acute Coronary Syndrome</subfield><subfield code="d">2015</subfield><subfield code="g">Amsterdam [u.a.]</subfield><subfield code="w">(DE-627)ELV013083279</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:110</subfield><subfield code="g">year:2022</subfield><subfield code="g">pages:0</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.jtherbio.2022.103355</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">51.00</subfield><subfield code="j">Werkstoffkunde: Allgemeines</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">51.32</subfield><subfield code="j">Werkstoffmechanik</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">110</subfield><subfield code="j">2022</subfield><subfield code="h">0</subfield></datafield></record></collection>
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