Sleep promoting potential of low dose α-Asarone in rat model
Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Radhakrishnan, Arathi [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2017transfer abstract |
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| Schlagwörter: |
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| Umfang: |
17 |
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| Übergeordnetes Werk: |
Enthalten in: Phallus Preservation for Locally Advanced Proximal Primary Urethral Carcinoma: Technique and Outcomes - March, Brayden ELSEVIER, 2023, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:125 ; year:2017 ; pages:13-29 ; extent:17 |
| Links: |
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| DOI / URN: |
10.1016/j.neuropharm.2017.07.003 |
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ELV025679643 |
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| 520 | |a Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. | ||
| 520 | |a Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. | ||
| 650 | 7 | |a Sleep quality |2 Elsevier | |
| 650 | 7 | |a Hypothalamic temperature |2 Elsevier | |
| 650 | 7 | |a α-Asarone |2 Elsevier | |
| 650 | 7 | |a Body temperature |2 Elsevier | |
| 650 | 7 | |a Hypnotic |2 Elsevier | |
| 650 | 7 | |a Sleep deprivation |2 Elsevier | |
| 700 | 1 | |a Jayakumari, N. |4 oth | |
| 700 | 1 | |a Kumar, Velayudhan Mohan |4 oth | |
| 700 | 1 | |a Gulia, Kamalesh K. |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a March, Brayden ELSEVIER |t Phallus Preservation for Locally Advanced Proximal Primary Urethral Carcinoma: Technique and Outcomes |d 2023 |g Amsterdam [u.a.] |w (DE-627)ELV009446303 |
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10.1016/j.neuropharm.2017.07.003 doi GBVA2017022000015.pica (DE-627)ELV025679643 (ELSEVIER)S0028-3908(17)30310-6 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 44.88 bkl Radhakrishnan, Arathi verfasserin aut Sleep promoting potential of low dose α-Asarone in rat model 2017transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Sleep quality Elsevier Hypothalamic temperature Elsevier α-Asarone Elsevier Body temperature Elsevier Hypnotic Elsevier Sleep deprivation Elsevier Jayakumari, N. oth Kumar, Velayudhan Mohan oth Gulia, Kamalesh K. oth Enthalten in Elsevier Science March, Brayden ELSEVIER Phallus Preservation for Locally Advanced Proximal Primary Urethral Carcinoma: Technique and Outcomes 2023 Amsterdam [u.a.] (DE-627)ELV009446303 volume:125 year:2017 pages:13-29 extent:17 https://doi.org/10.1016/j.neuropharm.2017.07.003 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.88 Urologie Nephrologie VZ AR 125 2017 13-29 17 045F 610 |
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10.1016/j.neuropharm.2017.07.003 doi GBVA2017022000015.pica (DE-627)ELV025679643 (ELSEVIER)S0028-3908(17)30310-6 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 44.88 bkl Radhakrishnan, Arathi verfasserin aut Sleep promoting potential of low dose α-Asarone in rat model 2017transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Sleep quality Elsevier Hypothalamic temperature Elsevier α-Asarone Elsevier Body temperature Elsevier Hypnotic Elsevier Sleep deprivation Elsevier Jayakumari, N. oth Kumar, Velayudhan Mohan oth Gulia, Kamalesh K. oth Enthalten in Elsevier Science March, Brayden ELSEVIER Phallus Preservation for Locally Advanced Proximal Primary Urethral Carcinoma: Technique and Outcomes 2023 Amsterdam [u.a.] (DE-627)ELV009446303 volume:125 year:2017 pages:13-29 extent:17 https://doi.org/10.1016/j.neuropharm.2017.07.003 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.88 Urologie Nephrologie VZ AR 125 2017 13-29 17 045F 610 |
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10.1016/j.neuropharm.2017.07.003 doi GBVA2017022000015.pica (DE-627)ELV025679643 (ELSEVIER)S0028-3908(17)30310-6 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 44.88 bkl Radhakrishnan, Arathi verfasserin aut Sleep promoting potential of low dose α-Asarone in rat model 2017transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Sleep quality Elsevier Hypothalamic temperature Elsevier α-Asarone Elsevier Body temperature Elsevier Hypnotic Elsevier Sleep deprivation Elsevier Jayakumari, N. oth Kumar, Velayudhan Mohan oth Gulia, Kamalesh K. oth Enthalten in Elsevier Science March, Brayden ELSEVIER Phallus Preservation for Locally Advanced Proximal Primary Urethral Carcinoma: Technique and Outcomes 2023 Amsterdam [u.a.] (DE-627)ELV009446303 volume:125 year:2017 pages:13-29 extent:17 https://doi.org/10.1016/j.neuropharm.2017.07.003 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.88 Urologie Nephrologie VZ AR 125 2017 13-29 17 045F 610 |
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10.1016/j.neuropharm.2017.07.003 doi GBVA2017022000015.pica (DE-627)ELV025679643 (ELSEVIER)S0028-3908(17)30310-6 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 44.88 bkl Radhakrishnan, Arathi verfasserin aut Sleep promoting potential of low dose α-Asarone in rat model 2017transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Sleep quality Elsevier Hypothalamic temperature Elsevier α-Asarone Elsevier Body temperature Elsevier Hypnotic Elsevier Sleep deprivation Elsevier Jayakumari, N. oth Kumar, Velayudhan Mohan oth Gulia, Kamalesh K. oth Enthalten in Elsevier Science March, Brayden ELSEVIER Phallus Preservation for Locally Advanced Proximal Primary Urethral Carcinoma: Technique and Outcomes 2023 Amsterdam [u.a.] (DE-627)ELV009446303 volume:125 year:2017 pages:13-29 extent:17 https://doi.org/10.1016/j.neuropharm.2017.07.003 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.88 Urologie Nephrologie VZ AR 125 2017 13-29 17 045F 610 |
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10.1016/j.neuropharm.2017.07.003 doi GBVA2017022000015.pica (DE-627)ELV025679643 (ELSEVIER)S0028-3908(17)30310-6 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 44.88 bkl Radhakrishnan, Arathi verfasserin aut Sleep promoting potential of low dose α-Asarone in rat model 2017transfer abstract 17 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. Sleep quality Elsevier Hypothalamic temperature Elsevier α-Asarone Elsevier Body temperature Elsevier Hypnotic Elsevier Sleep deprivation Elsevier Jayakumari, N. oth Kumar, Velayudhan Mohan oth Gulia, Kamalesh K. oth Enthalten in Elsevier Science March, Brayden ELSEVIER Phallus Preservation for Locally Advanced Proximal Primary Urethral Carcinoma: Technique and Outcomes 2023 Amsterdam [u.a.] (DE-627)ELV009446303 volume:125 year:2017 pages:13-29 extent:17 https://doi.org/10.1016/j.neuropharm.2017.07.003 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.88 Urologie Nephrologie VZ AR 125 2017 13-29 17 045F 610 |
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Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. |
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Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. |
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Commonly used hypnotics have undesirable side-effects, especially during continuous usage. On the other hand, some herbal products, which are used for prolonged periods, are suggested to have a sleep inducing property, though the claims have not been validated scientifically. The hypnotic potential of α-Asarone, an active principle of Acorus species, was tested in the present study by first identifying the optimal dose of α-Asarone for improving sleep, followed by studies that evaluated the effect of repeated administration of this optimal dose for five days on sleep deprived rats. Of all the doses tested (2, 10, 40, 80 and 120 mg/kg), 10 mg/kg α-Asarone improved the quality of sleep, as indicated by an increased NREM bout duration, reduced arousal index, and decreased bout frequencies of NREM sleep and wakefulness. A marginal decrease in the hypothalamic and body temperatures was also observed. Higher doses, on the other hand, not only reduced the quantity and quality of sleep, but also produced hypothermia. In sleep deprived rats, administration of 10 mg/kg α-Asarone for five consecutive days improved the quality of sleep in contrast to the vehicle and a known hypnotic midazolam. Improvement in NREM sleep quality was observed when the difference between the hypothalamic and the body temperature was minimum. An enhanced association between NREM sleep bout duration and hypothalamic temperature was also observed after administration of 10 mg/kg α-Asarone. This comprehensive study is the first report on the hypnotic property of α-Asarone, which validates its potential to be considered for treatment of insomnia. |
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