Neuroprotective effect of hydroxysafflor yellow A on 6-hydroxydopamine-induced Parkinson's disease in rats
Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity indu...
Ausführliche Beschreibung
Autor*in: |
Han, Bing [verfasserIn] |
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Sprache: |
Englisch |
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2013transfer abstract |
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6 |
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Übergeordnetes Werk: |
Enthalten in: Mexican student-teachers’ “English” language praxicum: Decolonizing attempts - López-Gopar, Mario E. ELSEVIER, 2022, EJP, New York, NY [u.a.] |
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Übergeordnetes Werk: |
volume:714 ; year:2013 ; number:1 ; day:15 ; month:08 ; pages:83-88 ; extent:6 |
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DOI / URN: |
10.1016/j.ejphar.2013.06.011 |
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520 | |a Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. | ||
520 | |a Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. | ||
650 | 7 | |a Hydroxysafflor yellow A |2 Elsevier | |
650 | 7 | |a Glial cell line-derived neurotrophic factor |2 Elsevier | |
650 | 7 | |a Parkinson's disease |2 Elsevier | |
650 | 7 | |a Brain-derived neurotrophic factor |2 Elsevier | |
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700 | 1 | |a Wang, Tian |4 oth | |
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10.1016/j.ejphar.2013.06.011 doi GBVA2013020000017.pica (DE-627)ELV02224039X (ELSEVIER)S0014-2999(13)00477-9 DE-627 ger DE-627 rakwb eng 610 610 DE-600 370 VZ 5,3 ssgn Han, Bing verfasserin aut Neuroprotective effect of hydroxysafflor yellow A on 6-hydroxydopamine-induced Parkinson's disease in rats 2013transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Hydroxysafflor yellow A Elsevier Glial cell line-derived neurotrophic factor Elsevier Parkinson's disease Elsevier Brain-derived neurotrophic factor Elsevier Hu, Jia oth Shen, Jingyu oth Gao, Yonglin oth Lu, Yan oth Wang, Tian oth Enthalten in Elsevier López-Gopar, Mario E. ELSEVIER Mexican student-teachers’ “English” language praxicum: Decolonizing attempts 2022 EJP New York, NY [u.a.] (DE-627)ELV008405875 volume:714 year:2013 number:1 day:15 month:08 pages:83-88 extent:6 https://doi.org/10.1016/j.ejphar.2013.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 714 2013 1 15 0815 83-88 6 045F 610 |
spelling |
10.1016/j.ejphar.2013.06.011 doi GBVA2013020000017.pica (DE-627)ELV02224039X (ELSEVIER)S0014-2999(13)00477-9 DE-627 ger DE-627 rakwb eng 610 610 DE-600 370 VZ 5,3 ssgn Han, Bing verfasserin aut Neuroprotective effect of hydroxysafflor yellow A on 6-hydroxydopamine-induced Parkinson's disease in rats 2013transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Hydroxysafflor yellow A Elsevier Glial cell line-derived neurotrophic factor Elsevier Parkinson's disease Elsevier Brain-derived neurotrophic factor Elsevier Hu, Jia oth Shen, Jingyu oth Gao, Yonglin oth Lu, Yan oth Wang, Tian oth Enthalten in Elsevier López-Gopar, Mario E. ELSEVIER Mexican student-teachers’ “English” language praxicum: Decolonizing attempts 2022 EJP New York, NY [u.a.] (DE-627)ELV008405875 volume:714 year:2013 number:1 day:15 month:08 pages:83-88 extent:6 https://doi.org/10.1016/j.ejphar.2013.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 714 2013 1 15 0815 83-88 6 045F 610 |
allfields_unstemmed |
10.1016/j.ejphar.2013.06.011 doi GBVA2013020000017.pica (DE-627)ELV02224039X (ELSEVIER)S0014-2999(13)00477-9 DE-627 ger DE-627 rakwb eng 610 610 DE-600 370 VZ 5,3 ssgn Han, Bing verfasserin aut Neuroprotective effect of hydroxysafflor yellow A on 6-hydroxydopamine-induced Parkinson's disease in rats 2013transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Hydroxysafflor yellow A Elsevier Glial cell line-derived neurotrophic factor Elsevier Parkinson's disease Elsevier Brain-derived neurotrophic factor Elsevier Hu, Jia oth Shen, Jingyu oth Gao, Yonglin oth Lu, Yan oth Wang, Tian oth Enthalten in Elsevier López-Gopar, Mario E. ELSEVIER Mexican student-teachers’ “English” language praxicum: Decolonizing attempts 2022 EJP New York, NY [u.a.] (DE-627)ELV008405875 volume:714 year:2013 number:1 day:15 month:08 pages:83-88 extent:6 https://doi.org/10.1016/j.ejphar.2013.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 714 2013 1 15 0815 83-88 6 045F 610 |
allfieldsGer |
10.1016/j.ejphar.2013.06.011 doi GBVA2013020000017.pica (DE-627)ELV02224039X (ELSEVIER)S0014-2999(13)00477-9 DE-627 ger DE-627 rakwb eng 610 610 DE-600 370 VZ 5,3 ssgn Han, Bing verfasserin aut Neuroprotective effect of hydroxysafflor yellow A on 6-hydroxydopamine-induced Parkinson's disease in rats 2013transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Hydroxysafflor yellow A Elsevier Glial cell line-derived neurotrophic factor Elsevier Parkinson's disease Elsevier Brain-derived neurotrophic factor Elsevier Hu, Jia oth Shen, Jingyu oth Gao, Yonglin oth Lu, Yan oth Wang, Tian oth Enthalten in Elsevier López-Gopar, Mario E. ELSEVIER Mexican student-teachers’ “English” language praxicum: Decolonizing attempts 2022 EJP New York, NY [u.a.] (DE-627)ELV008405875 volume:714 year:2013 number:1 day:15 month:08 pages:83-88 extent:6 https://doi.org/10.1016/j.ejphar.2013.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 714 2013 1 15 0815 83-88 6 045F 610 |
allfieldsSound |
10.1016/j.ejphar.2013.06.011 doi GBVA2013020000017.pica (DE-627)ELV02224039X (ELSEVIER)S0014-2999(13)00477-9 DE-627 ger DE-627 rakwb eng 610 610 DE-600 370 VZ 5,3 ssgn Han, Bing verfasserin aut Neuroprotective effect of hydroxysafflor yellow A on 6-hydroxydopamine-induced Parkinson's disease in rats 2013transfer abstract 6 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. Hydroxysafflor yellow A Elsevier Glial cell line-derived neurotrophic factor Elsevier Parkinson's disease Elsevier Brain-derived neurotrophic factor Elsevier Hu, Jia oth Shen, Jingyu oth Gao, Yonglin oth Lu, Yan oth Wang, Tian oth Enthalten in Elsevier López-Gopar, Mario E. ELSEVIER Mexican student-teachers’ “English” language praxicum: Decolonizing attempts 2022 EJP New York, NY [u.a.] (DE-627)ELV008405875 volume:714 year:2013 number:1 day:15 month:08 pages:83-88 extent:6 https://doi.org/10.1016/j.ejphar.2013.06.011 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U AR 714 2013 1 15 0815 83-88 6 045F 610 |
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Mexican student-teachers’ “English” language praxicum: Decolonizing attempts |
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Neuroprotective effect of hydroxysafflor yellow A on 6-hydroxydopamine-induced Parkinson's disease in rats |
abstract |
Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. |
abstractGer |
Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. |
abstract_unstemmed |
Parkinson's disease (PD) is a progressive neurodegenerative disorder affecting predominantly the dopaminergic mesotelencephalic system. Enormous progress has been made in the treatment of PD. Our previous study has shown that hydroxysafflor yellow A (HSYA) could attenuate the neurotoxicity induced by 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine in mice. In the present work, we examined whether HSYA had the neuroprotective effect on dopaminergic neurons of substantia nigra in a rat model of PD. Adult Sprague-Dawley rats were unilaterally injected with 6-hydroxydopamine (6-OHDA) into the medial forebrain bundle. The PD rats were treated with HSYA (2 or 8mg/kg) via caudal vein injection daily for 4 weeks. Rotational tests showed that HSYA significantly attenuated apomorphine-induced turns in 6-OHDA-induced PD rats. HSYA treatment resulted in a significant protection against the loss of tyrosine hydroxylase-positive cells. Our data showed that HSYA also increased the levels of dopamine and its metabolites, glial cell line-derived neurotrophic factor and brain-derived neurotrophic factor in striatum of PD rats. In conclusion, these results supported a role for HSYA in preserving dopamine neuron integrity and motor function in a rodent model of PD, and implied a potential neuroprotective role for HSYA in this disease. |
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