Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice
Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavio...
Ausführliche Beschreibung
Autor*in: |
Chenxi Yang [verfasserIn] Xiuting Yao [verfasserIn] Hongyu Zhang [verfasserIn] Conghui Wang [verfasserIn] Jingyi Zhao [verfasserIn] Dan Xu [verfasserIn] Yu Xiao [verfasserIn] Qian Li [verfasserIn] Hong Zhuang [verfasserIn] Xiaomin Kang [verfasserIn] Congli Sun [verfasserIn] Lijie Liu [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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In: Journal of Integrative Neuroscience - IMR Press, 2020, 22(2023), 1, p 16 |
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Übergeordnetes Werk: |
volume:22 ; year:2023 ; number:1, p 16 |
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DOI / URN: |
10.31083/j.jin2201016 |
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Katalog-ID: |
DOAJ081242220 |
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520 | |a Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. | ||
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10.31083/j.jin2201016 doi (DE-627)DOAJ081242220 (DE-599)DOAJ4c4d050b394246708299a4998bc23a83 DE-627 ger DE-627 rakwb eng RC321-571 Chenxi Yang verfasserin aut Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. high-fat diet emotionality juvenile insulin resistance hippocampal neuroplasticity Neurosciences. Biological psychiatry. Neuropsychiatry Xiuting Yao verfasserin aut Hongyu Zhang verfasserin aut Conghui Wang verfasserin aut Jingyi Zhao verfasserin aut Dan Xu verfasserin aut Yu Xiao verfasserin aut Qian Li verfasserin aut Hong Zhuang verfasserin aut Xiaomin Kang verfasserin aut Congli Sun verfasserin aut Lijie Liu verfasserin aut In Journal of Integrative Neuroscience IMR Press, 2020 22(2023), 1, p 16 (DE-627)367392046 (DE-600)2115865-4 1757448X nnns volume:22 year:2023 number:1, p 16 https://doi.org/10.31083/j.jin2201016 kostenfrei https://doaj.org/article/4c4d050b394246708299a4998bc23a83 kostenfrei https://www.imrpress.com/journal/JIN/22/1/10.31083/j.jin2201016 kostenfrei https://doaj.org/toc/0219-6352 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 22 2023 1, p 16 |
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10.31083/j.jin2201016 doi (DE-627)DOAJ081242220 (DE-599)DOAJ4c4d050b394246708299a4998bc23a83 DE-627 ger DE-627 rakwb eng RC321-571 Chenxi Yang verfasserin aut Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. high-fat diet emotionality juvenile insulin resistance hippocampal neuroplasticity Neurosciences. Biological psychiatry. Neuropsychiatry Xiuting Yao verfasserin aut Hongyu Zhang verfasserin aut Conghui Wang verfasserin aut Jingyi Zhao verfasserin aut Dan Xu verfasserin aut Yu Xiao verfasserin aut Qian Li verfasserin aut Hong Zhuang verfasserin aut Xiaomin Kang verfasserin aut Congli Sun verfasserin aut Lijie Liu verfasserin aut In Journal of Integrative Neuroscience IMR Press, 2020 22(2023), 1, p 16 (DE-627)367392046 (DE-600)2115865-4 1757448X nnns volume:22 year:2023 number:1, p 16 https://doi.org/10.31083/j.jin2201016 kostenfrei https://doaj.org/article/4c4d050b394246708299a4998bc23a83 kostenfrei https://www.imrpress.com/journal/JIN/22/1/10.31083/j.jin2201016 kostenfrei https://doaj.org/toc/0219-6352 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 22 2023 1, p 16 |
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10.31083/j.jin2201016 doi (DE-627)DOAJ081242220 (DE-599)DOAJ4c4d050b394246708299a4998bc23a83 DE-627 ger DE-627 rakwb eng RC321-571 Chenxi Yang verfasserin aut Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. high-fat diet emotionality juvenile insulin resistance hippocampal neuroplasticity Neurosciences. Biological psychiatry. Neuropsychiatry Xiuting Yao verfasserin aut Hongyu Zhang verfasserin aut Conghui Wang verfasserin aut Jingyi Zhao verfasserin aut Dan Xu verfasserin aut Yu Xiao verfasserin aut Qian Li verfasserin aut Hong Zhuang verfasserin aut Xiaomin Kang verfasserin aut Congli Sun verfasserin aut Lijie Liu verfasserin aut In Journal of Integrative Neuroscience IMR Press, 2020 22(2023), 1, p 16 (DE-627)367392046 (DE-600)2115865-4 1757448X nnns volume:22 year:2023 number:1, p 16 https://doi.org/10.31083/j.jin2201016 kostenfrei https://doaj.org/article/4c4d050b394246708299a4998bc23a83 kostenfrei https://www.imrpress.com/journal/JIN/22/1/10.31083/j.jin2201016 kostenfrei https://doaj.org/toc/0219-6352 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 22 2023 1, p 16 |
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10.31083/j.jin2201016 doi (DE-627)DOAJ081242220 (DE-599)DOAJ4c4d050b394246708299a4998bc23a83 DE-627 ger DE-627 rakwb eng RC321-571 Chenxi Yang verfasserin aut Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. high-fat diet emotionality juvenile insulin resistance hippocampal neuroplasticity Neurosciences. Biological psychiatry. Neuropsychiatry Xiuting Yao verfasserin aut Hongyu Zhang verfasserin aut Conghui Wang verfasserin aut Jingyi Zhao verfasserin aut Dan Xu verfasserin aut Yu Xiao verfasserin aut Qian Li verfasserin aut Hong Zhuang verfasserin aut Xiaomin Kang verfasserin aut Congli Sun verfasserin aut Lijie Liu verfasserin aut In Journal of Integrative Neuroscience IMR Press, 2020 22(2023), 1, p 16 (DE-627)367392046 (DE-600)2115865-4 1757448X nnns volume:22 year:2023 number:1, p 16 https://doi.org/10.31083/j.jin2201016 kostenfrei https://doaj.org/article/4c4d050b394246708299a4998bc23a83 kostenfrei https://www.imrpress.com/journal/JIN/22/1/10.31083/j.jin2201016 kostenfrei https://doaj.org/toc/0219-6352 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 22 2023 1, p 16 |
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10.31083/j.jin2201016 doi (DE-627)DOAJ081242220 (DE-599)DOAJ4c4d050b394246708299a4998bc23a83 DE-627 ger DE-627 rakwb eng RC321-571 Chenxi Yang verfasserin aut Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. high-fat diet emotionality juvenile insulin resistance hippocampal neuroplasticity Neurosciences. Biological psychiatry. Neuropsychiatry Xiuting Yao verfasserin aut Hongyu Zhang verfasserin aut Conghui Wang verfasserin aut Jingyi Zhao verfasserin aut Dan Xu verfasserin aut Yu Xiao verfasserin aut Qian Li verfasserin aut Hong Zhuang verfasserin aut Xiaomin Kang verfasserin aut Congli Sun verfasserin aut Lijie Liu verfasserin aut In Journal of Integrative Neuroscience IMR Press, 2020 22(2023), 1, p 16 (DE-627)367392046 (DE-600)2115865-4 1757448X nnns volume:22 year:2023 number:1, p 16 https://doi.org/10.31083/j.jin2201016 kostenfrei https://doaj.org/article/4c4d050b394246708299a4998bc23a83 kostenfrei https://www.imrpress.com/journal/JIN/22/1/10.31083/j.jin2201016 kostenfrei https://doaj.org/toc/0219-6352 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 22 2023 1, p 16 |
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Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice |
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Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. |
abstractGer |
Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. |
abstract_unstemmed |
Background: The overconsumption of a high-fat diet (HFD) has been repeatedly blamed as being a possible contributor to the global prevalence of emotional problems in modern society. Our group recently demonstrated the deleterious effect of a chronic HFD throughout adulthood on both emotional behavior and neuroplasticity markers in mice. As a heightened preference for palatable HFDs from the time of the juvenile period (when the brain is particularly vulnerable to environmental insults) is universal among populations around the world, a comparison of the consequences of chronic HFDs starting from juveniles or adults will assist in obtaining better knowledge of the impact that chronic HFDs have on mental health, thus potentially leading to the discovery of more effective strategies for reducing the incidence of psychiatric disorders. Methods: In the present study, male C57BL/6J mice with an initial age of 4 weeks (IA-4 W) or 8 weeks (IA-8 W) were separately assigned to two subgroups and fed either a control diet (CD, 10 kJ% from fat) or HFD (60 kJ% from fat) for 9 months followed by an analysis focused on metabolic, emotional behavioral, and neuroplastic profiles. Results: The results illustrated that, in addition to abnormal glucolipid metabolism and insulin sensitivity, mice on a chronic HFD exhibited increased levels of anxiety and depression-like behaviors and aberrant hippocampal neuroplasticity. When compared with IA-8 W mice, several changes indicating systemic metabolic disturbance and neurobehavioral disorder after chronic HFD consumption were aggravated in IA-4 W mice, accompanied by exaggerated impairments in hippocampal insulin sensitivity and neurogenesis. Conclusions: These results not only provide in vivo evidence that the juvenile stage is a critical period of vulnerability to detrimental effects of HFD consumption on metabolic and neuronal function but also suggest dampened hippocampal insulin signaling as a potential link between prolonged HFD consumption and negative neurobehavioral outcomes. Considering the substantial burden posed by psychiatric disorders and the high prevalence of HFD among youth, these observations are meaningful for raising awareness of the harmful effects of excessive dietary fat intake and developing strategy for preventing mental disorders. |
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container_issue |
1, p 16 |
title_short |
Effects of Prolonged High-Fat Diet Consumption Starting at Different Ages on Behavioral Parameters and Hippocampal Neuroplasticity in Male Mice |
url |
https://doi.org/10.31083/j.jin2201016 https://doaj.org/article/4c4d050b394246708299a4998bc23a83 https://www.imrpress.com/journal/JIN/22/1/10.31083/j.jin2201016 https://doaj.org/toc/0219-6352 |
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Xiuting Yao Hongyu Zhang Conghui Wang Jingyi Zhao Dan Xu Yu Xiao Qian Li Hong Zhuang Xiaomin Kang Congli Sun Lijie Liu |
author2Str |
Xiuting Yao Hongyu Zhang Conghui Wang Jingyi Zhao Dan Xu Yu Xiao Qian Li Hong Zhuang Xiaomin Kang Congli Sun Lijie Liu |
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doi_str |
10.31083/j.jin2201016 |
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up_date |
2024-07-03T19:01:33.131Z |
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