Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice

In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we re...
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Gespeichert in:

Autor*in:	Hossain, Muhammad M. [verfasserIn] Belkadi, Abdelmadjid [verfasserIn] Zhou, Xiaofeng [verfasserIn] DiCicco-Bloom, Emanuel [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2022

Schlagwörter:	Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell

Übergeordnetes Werk:	Enthalten in: NeuroToxicology - Amsterdam [u.a.] : Elsevier Science, 2001, 93, Seite 233-243
Übergeordnetes Werk:	volume:93 ; pages:233-243

DOI / URN:	10.1016/j.neuro.2022.10.005

Katalog-ID:	ELV059482931

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245	1	0	\|a Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice
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520			\|a In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis.
650		4	\|a Deltamethrin
650		4	\|a NOAEL
650		4	\|a ER stress
650		4	\|a Apoptosis
650		4	\|a Hippocampal neurogenesis
650		4	\|a Neural progenitor cell
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700	1		\|a DiCicco-Bloom, Emanuel \|e verfasserin \|4 aut
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publishDate	2022
allfields	10.1016/j.neuro.2022.10.005 doi (DE-627)ELV059482931 (ELSEVIER)S0161-813X(22)00161-9 DE-627 ger DE-627 rda eng 610 VZ Hossain, Muhammad M. verfasserin aut Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis. Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell Belkadi, Abdelmadjid verfasserin aut Zhou, Xiaofeng verfasserin aut DiCicco-Bloom, Emanuel verfasserin aut Enthalten in NeuroToxicology Amsterdam [u.a.] : Elsevier Science, 2001 93, Seite 233-243 Online-Ressource (DE-627)332623513 (DE-600)2053945-9 (DE-576)272349836 1872-9711 nnns volume:93 pages:233-243 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 93 233-243
spelling	10.1016/j.neuro.2022.10.005 doi (DE-627)ELV059482931 (ELSEVIER)S0161-813X(22)00161-9 DE-627 ger DE-627 rda eng 610 VZ Hossain, Muhammad M. verfasserin aut Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis. Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell Belkadi, Abdelmadjid verfasserin aut Zhou, Xiaofeng verfasserin aut DiCicco-Bloom, Emanuel verfasserin aut Enthalten in NeuroToxicology Amsterdam [u.a.] : Elsevier Science, 2001 93, Seite 233-243 Online-Ressource (DE-627)332623513 (DE-600)2053945-9 (DE-576)272349836 1872-9711 nnns volume:93 pages:233-243 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 93 233-243
allfields_unstemmed	10.1016/j.neuro.2022.10.005 doi (DE-627)ELV059482931 (ELSEVIER)S0161-813X(22)00161-9 DE-627 ger DE-627 rda eng 610 VZ Hossain, Muhammad M. verfasserin aut Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis. Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell Belkadi, Abdelmadjid verfasserin aut Zhou, Xiaofeng verfasserin aut DiCicco-Bloom, Emanuel verfasserin aut Enthalten in NeuroToxicology Amsterdam [u.a.] : Elsevier Science, 2001 93, Seite 233-243 Online-Ressource (DE-627)332623513 (DE-600)2053945-9 (DE-576)272349836 1872-9711 nnns volume:93 pages:233-243 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 93 233-243
allfieldsGer	10.1016/j.neuro.2022.10.005 doi (DE-627)ELV059482931 (ELSEVIER)S0161-813X(22)00161-9 DE-627 ger DE-627 rda eng 610 VZ Hossain, Muhammad M. verfasserin aut Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis. Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell Belkadi, Abdelmadjid verfasserin aut Zhou, Xiaofeng verfasserin aut DiCicco-Bloom, Emanuel verfasserin aut Enthalten in NeuroToxicology Amsterdam [u.a.] : Elsevier Science, 2001 93, Seite 233-243 Online-Ressource (DE-627)332623513 (DE-600)2053945-9 (DE-576)272349836 1872-9711 nnns volume:93 pages:233-243 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 93 233-243
allfieldsSound	10.1016/j.neuro.2022.10.005 doi (DE-627)ELV059482931 (ELSEVIER)S0161-813X(22)00161-9 DE-627 ger DE-627 rda eng 610 VZ Hossain, Muhammad M. verfasserin aut Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice 2022 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis. Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell Belkadi, Abdelmadjid verfasserin aut Zhou, Xiaofeng verfasserin aut DiCicco-Bloom, Emanuel verfasserin aut Enthalten in NeuroToxicology Amsterdam [u.a.] : Elsevier Science, 2001 93, Seite 233-243 Online-Ressource (DE-627)332623513 (DE-600)2053945-9 (DE-576)272349836 1872-9711 nnns volume:93 pages:233-243 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 AR 93 233-243
language	English
source	Enthalten in NeuroToxicology 93, Seite 233-243 volume:93 pages:233-243
sourceStr	Enthalten in NeuroToxicology 93, Seite 233-243 volume:93 pages:233-243
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell
dewey-raw	610
isfreeaccess_bool	false
container_title	NeuroToxicology
authorswithroles_txt_mv	Hossain, Muhammad M. @@aut@@ Belkadi, Abdelmadjid @@aut@@ Zhou, Xiaofeng @@aut@@ DiCicco-Bloom, Emanuel @@aut@@
publishDateDaySort_date	2022-01-01T00:00:00Z
hierarchy_top_id	332623513
dewey-sort	3610
id	ELV059482931
language_de	englisch
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author	Hossain, Muhammad M.
spellingShingle	Hossain, Muhammad M. ddc 610 misc Deltamethrin misc NOAEL misc ER stress misc Apoptosis misc Hippocampal neurogenesis misc Neural progenitor cell Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice
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topic_title	610 VZ Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice Deltamethrin NOAEL ER stress Apoptosis Hippocampal neurogenesis Neural progenitor cell
topic	ddc 610 misc Deltamethrin misc NOAEL misc ER stress misc Apoptosis misc Hippocampal neurogenesis misc Neural progenitor cell
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title	Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice
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title_full	Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice
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title_sort	exposure to deltamethrin at the noael causes er stress and disruption of hippocampal neurogenesis in adult mice
title_auth	Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice
abstract	In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis.
abstractGer	In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis.
abstract_unstemmed	In addition to age and traumatic brain injury, environmental exposure to pesticides is a potential risk factor for neurodegenerative diseases and cognitive impairments in humans. Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis.
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title_short	Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice
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author2	Belkadi, Abdelmadjid Zhou, Xiaofeng DiCicco-Bloom, Emanuel
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up_date	2024-07-06T22:08:01.592Z
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Deltamethrin is a type II pyrethroid insecticide widely used in agriculture and homes for pest control. Previously, we reported that repeated exposure of mice to 3 mg/kg deltamethrin for 30 or 60 days caused a marked increase in the endoplasmic reticulum (ER) stress and reduced adult hippocampal neurogenesis that was accompanied by impaired learning and memory. However, it is unknown whether an acute exposure to low doses of deltamethrin elicits similar effects. Here, we sought to characterize the dose-related effects of deltamethrin on ER stress and hippocampal neurogenesis at different time points following acute exposure. Following oral administration of 0, 0.3, 1, or 3 mg/kg deltamethrin, doses below, at, and above the acute NOAEL, mice were euthanized at 24 h, 48 h, 7 d, or 14 d to assess the acute and intermediate-term effects of deltamethrin on neural progenitor cells (NPCs). Deltamethrin at both 1 and 3 mg/kg elicited ER stress response and activation of apoptotic signaling. Data revealed that a dose as low as 1 mg/kg of deltamethrin, considered the acute NOAEL, produced a significant reduction in BrdU+ and Ki-67+ neural stem cells in the subgranular zone of the dentate gyrus of the hippocampus as early as 48 h after exposure. Furthermore, mice treated with 1 and 3 mg/kg deltamethrin exhibited a decreased number of immature neurons, determined by counting DCX-positive cells 7 days after exposure. These data establish that 0.3 mg/kg should be considered a NOAEL and that the previously established acute NOAEL of 1 mg/kg shows significant effects on ER stress and apoptotic pathways accompanied by deficits in aspects of adult hippocampal neurogenesis.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Deltamethrin</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">NOAEL</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">ER stress</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Apoptosis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hippocampal neurogenesis</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Neural progenitor cell</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Belkadi, Abdelmadjid</subfield><subfield code="e">verfasserin</subfield><subfield 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Exposure to deltamethrin at the NOAEL causes ER stress and disruption of hippocampal neurogenesis in adult mice

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