Effect of estrogen administration on middle cerebral arterial viscoelastic properties in aged female rats
ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats w...
Ausführliche Beschreibung
Autor*in: |
Zhigang Qin [verfasserIn] Guijie Li [verfasserIn] Naijie Liu [verfasserIn] Conghai Zhao [verfasserIn] Hang Zhao [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2016 |
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Übergeordnetes Werk: |
In: Acta Cirúrgica Brasileira - Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2004, 31(2016), 10, Seite 661-667 |
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Übergeordnetes Werk: |
volume:31 ; year:2016 ; number:10 ; pages:661-667 |
Links: |
Link aufrufen |
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DOI / URN: |
10.1590/S0102-865020160100000004 |
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Katalog-ID: |
DOAJ071715584 |
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10.1590/S0102-865020160100000004 doi (DE-627)DOAJ071715584 (DE-599)DOAJ42817cc1ebcd4676802bd2cd252b0021 DE-627 ger DE-627 rakwb eng RD1-811 Zhigang Qin verfasserin aut Effect of estrogen administration on middle cerebral arterial viscoelastic properties in aged female rats 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. Aging Estrogens Middle Cerebral Artery Female Rats Surgery Guijie Li verfasserin aut Naijie Liu verfasserin aut Conghai Zhao verfasserin aut Hang Zhao verfasserin aut In Acta Cirúrgica Brasileira Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2004 31(2016), 10, Seite 661-667 (DE-627)320500519 (DE-600)2012156-8 16782674 nnns volume:31 year:2016 number:10 pages:661-667 https://doi.org/10.1590/S0102-865020160100000004 kostenfrei https://doaj.org/article/42817cc1ebcd4676802bd2cd252b0021 kostenfrei http://www.scielo.br/pdf/acb/v31n10/1678-2674-acb-31-10-00661.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502016001000661&tlng=en kostenfrei https://doaj.org/toc/0102-8650 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 31 2016 10 661-667 |
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10.1590/S0102-865020160100000004 doi (DE-627)DOAJ071715584 (DE-599)DOAJ42817cc1ebcd4676802bd2cd252b0021 DE-627 ger DE-627 rakwb eng RD1-811 Zhigang Qin verfasserin aut Effect of estrogen administration on middle cerebral arterial viscoelastic properties in aged female rats 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. Aging Estrogens Middle Cerebral Artery Female Rats Surgery Guijie Li verfasserin aut Naijie Liu verfasserin aut Conghai Zhao verfasserin aut Hang Zhao verfasserin aut In Acta Cirúrgica Brasileira Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2004 31(2016), 10, Seite 661-667 (DE-627)320500519 (DE-600)2012156-8 16782674 nnns volume:31 year:2016 number:10 pages:661-667 https://doi.org/10.1590/S0102-865020160100000004 kostenfrei https://doaj.org/article/42817cc1ebcd4676802bd2cd252b0021 kostenfrei http://www.scielo.br/pdf/acb/v31n10/1678-2674-acb-31-10-00661.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502016001000661&tlng=en kostenfrei https://doaj.org/toc/0102-8650 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 31 2016 10 661-667 |
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10.1590/S0102-865020160100000004 doi (DE-627)DOAJ071715584 (DE-599)DOAJ42817cc1ebcd4676802bd2cd252b0021 DE-627 ger DE-627 rakwb eng RD1-811 Zhigang Qin verfasserin aut Effect of estrogen administration on middle cerebral arterial viscoelastic properties in aged female rats 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. Aging Estrogens Middle Cerebral Artery Female Rats Surgery Guijie Li verfasserin aut Naijie Liu verfasserin aut Conghai Zhao verfasserin aut Hang Zhao verfasserin aut In Acta Cirúrgica Brasileira Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2004 31(2016), 10, Seite 661-667 (DE-627)320500519 (DE-600)2012156-8 16782674 nnns volume:31 year:2016 number:10 pages:661-667 https://doi.org/10.1590/S0102-865020160100000004 kostenfrei https://doaj.org/article/42817cc1ebcd4676802bd2cd252b0021 kostenfrei http://www.scielo.br/pdf/acb/v31n10/1678-2674-acb-31-10-00661.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502016001000661&tlng=en kostenfrei https://doaj.org/toc/0102-8650 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 31 2016 10 661-667 |
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10.1590/S0102-865020160100000004 doi (DE-627)DOAJ071715584 (DE-599)DOAJ42817cc1ebcd4676802bd2cd252b0021 DE-627 ger DE-627 rakwb eng RD1-811 Zhigang Qin verfasserin aut Effect of estrogen administration on middle cerebral arterial viscoelastic properties in aged female rats 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. Aging Estrogens Middle Cerebral Artery Female Rats Surgery Guijie Li verfasserin aut Naijie Liu verfasserin aut Conghai Zhao verfasserin aut Hang Zhao verfasserin aut In Acta Cirúrgica Brasileira Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2004 31(2016), 10, Seite 661-667 (DE-627)320500519 (DE-600)2012156-8 16782674 nnns volume:31 year:2016 number:10 pages:661-667 https://doi.org/10.1590/S0102-865020160100000004 kostenfrei https://doaj.org/article/42817cc1ebcd4676802bd2cd252b0021 kostenfrei http://www.scielo.br/pdf/acb/v31n10/1678-2674-acb-31-10-00661.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502016001000661&tlng=en kostenfrei https://doaj.org/toc/0102-8650 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 31 2016 10 661-667 |
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10.1590/S0102-865020160100000004 doi (DE-627)DOAJ071715584 (DE-599)DOAJ42817cc1ebcd4676802bd2cd252b0021 DE-627 ger DE-627 rakwb eng RD1-811 Zhigang Qin verfasserin aut Effect of estrogen administration on middle cerebral arterial viscoelastic properties in aged female rats 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. Aging Estrogens Middle Cerebral Artery Female Rats Surgery Guijie Li verfasserin aut Naijie Liu verfasserin aut Conghai Zhao verfasserin aut Hang Zhao verfasserin aut In Acta Cirúrgica Brasileira Sociedade Brasileira para o Desenvolvimento da Pesquisa em Cirurgia, 2004 31(2016), 10, Seite 661-667 (DE-627)320500519 (DE-600)2012156-8 16782674 nnns volume:31 year:2016 number:10 pages:661-667 https://doi.org/10.1590/S0102-865020160100000004 kostenfrei https://doaj.org/article/42817cc1ebcd4676802bd2cd252b0021 kostenfrei http://www.scielo.br/pdf/acb/v31n10/1678-2674-acb-31-10-00661.pdf kostenfrei http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-86502016001000661&tlng=en kostenfrei https://doaj.org/toc/0102-8650 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 31 2016 10 661-667 |
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Effect of estrogen administration on middle cerebral arterial viscoelastic properties in aged female rats |
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ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. |
abstractGer |
ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. |
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ABSTRACT PURPOSE: To develop a model for studying cerebrovascular disease prevention in elderly women. METHODS: Sixty 18-month-old Sprague Dawley (SD) rats were randomly divided into an estrogen administration group (EA, n=30) and a non-administration group (NA, n=30); thirty 4-month-old SD rats were allocated to a control group. The EA group received estradiol benzoate starting on the 5th day of a 34-day breeding period, and the serum levels of estradiol (E2), estrogen receptor (ER), and malondialdehyde (MDA) were measured. The MCA of each group was then sampled for viscoelastic experiments. RESULTS: The serum levels of E2 and MDA in the EA group showed significant differences compared to those in the control group (p<0.05), while the difference in ER between the EA and control groups was not significant (p<0.05). The decrease in MCA stress at 7,200 s and the increase in strain at 7,200 s in the EA group showed no significant differences compared to the control group (p<0.05). CONCLUSION: Estradiol administration inhibited the formation of lipid peroxidation products and restored middle cerebral arterial viscoelasticity in aged female rats. |
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