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Absence of preference for social novelty and increased grooming in integrin β3 knockout mice: Initial studies and future directions / Michelle D. CARTER in Autism Research, 4-1 (February 2011)
[article]
Titre : Absence of preference for social novelty and increased grooming in integrin β3 knockout mice: Initial studies and future directions Type de document : Texte imprimé et/ou numérique Auteurs : Michelle D. CARTER, Auteur ; Charisma R. SHAH, Auteur ; Christopher L. MULLER, Auteur ; Jacqueline N. CRAWLEY, Auteur ; Ana M.D. CARNEIRO, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur Année de publication : 2011 Article en page(s) : p.57-67 Langues : Anglais (eng) Mots-clés : autism genetic integrin cell adhesion serotonin social memory grooming obsessive–compulsive disorder Index. décimale : PER Périodiques Résumé : Elevated whole blood serotonin 5-HT, or hyperserotonemia, is a common biomarker in autism spectrum disorder (ASD). The integrin β3 receptor subunit gene (ITGB3) is a quantitative trait locus for whole blood 5-HT levels. Recent work shows that integrin β3 interacts with the serotonin transporter (SERT) in both platelets and in the midbrain. Furthermore, multiple studies have now reported gene–gene interaction between the integrin β3 and SERT genes in association with ASD. Given the lack of previous data on the impact of integrin β3 on brain or behavioral phenotypes, we sought to compare mice with decreased or absent expression of the integrin β3 receptor subunit (Itgb3 + / − and −/ −) with wildtype littermate controls in behavioral tasks relevant to ASD. These mice did not show deficits in activity level in the open field or anxiety-like behavior on the elevated plus maze, two potential confounds in the evaluation of mouse social behavior. In the three-chamber social test, mice lacking integrin β3 were shown to have normal sociability but did not show a preference for social novelty. Importantly, the absence of integrin β3 did not impair olfaction or the ability to recall familiar social odors. Additionally, mice lacking integrin β3 showed increased grooming behavior in novel environments. These preliminary studies reveal altered social and repetitive behavior in these mice, which suggests that the integrin β3 subunit may be involved in brain systems relevant to ASD. Further work is needed to fully characterize these behavioral changes and the underlying brain mechanisms. En ligne : http://dx.doi.org/10.1002/aur.180 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=118
in Autism Research > 4-1 (February 2011) . - p.57-67[article] Absence of preference for social novelty and increased grooming in integrin β3 knockout mice: Initial studies and future directions [Texte imprimé et/ou numérique] / Michelle D. CARTER, Auteur ; Charisma R. SHAH, Auteur ; Christopher L. MULLER, Auteur ; Jacqueline N. CRAWLEY, Auteur ; Ana M.D. CARNEIRO, Auteur ; Jeremy VEENSTRA-VANDERWEELE, Auteur . - 2011 . - p.57-67.
Langues : Anglais (eng)
in Autism Research > 4-1 (February 2011) . - p.57-67
Mots-clés : autism genetic integrin cell adhesion serotonin social memory grooming obsessive–compulsive disorder Index. décimale : PER Périodiques Résumé : Elevated whole blood serotonin 5-HT, or hyperserotonemia, is a common biomarker in autism spectrum disorder (ASD). The integrin β3 receptor subunit gene (ITGB3) is a quantitative trait locus for whole blood 5-HT levels. Recent work shows that integrin β3 interacts with the serotonin transporter (SERT) in both platelets and in the midbrain. Furthermore, multiple studies have now reported gene–gene interaction between the integrin β3 and SERT genes in association with ASD. Given the lack of previous data on the impact of integrin β3 on brain or behavioral phenotypes, we sought to compare mice with decreased or absent expression of the integrin β3 receptor subunit (Itgb3 + / − and −/ −) with wildtype littermate controls in behavioral tasks relevant to ASD. These mice did not show deficits in activity level in the open field or anxiety-like behavior on the elevated plus maze, two potential confounds in the evaluation of mouse social behavior. In the three-chamber social test, mice lacking integrin β3 were shown to have normal sociability but did not show a preference for social novelty. Importantly, the absence of integrin β3 did not impair olfaction or the ability to recall familiar social odors. Additionally, mice lacking integrin β3 showed increased grooming behavior in novel environments. These preliminary studies reveal altered social and repetitive behavior in these mice, which suggests that the integrin β3 subunit may be involved in brain systems relevant to ASD. Further work is needed to fully characterize these behavioral changes and the underlying brain mechanisms. En ligne : http://dx.doi.org/10.1002/aur.180 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=118 Altered Striatal Synaptic Function and Abnormal Behaviour in Shank3 Exon4-9 Deletion Mouse Model of Autism / Thomas C. JARAMILLO in Autism Research, 9-3 (March 2016)
[article]
Titre : Altered Striatal Synaptic Function and Abnormal Behaviour in Shank3 Exon4-9 Deletion Mouse Model of Autism Type de document : Texte imprimé et/ou numérique Auteurs : Thomas C. JARAMILLO, Auteur ; Haley E. SPEED, Auteur ; Zhong XUAN, Auteur ; Jeremy M. REIMERS, Auteur ; Shunan LIU, Auteur ; Craig M. POWELL, Auteur Article en page(s) : p.350-375 Langues : Anglais (eng) Mots-clés : autism spectrum disorder Shank3 Phelan-McDermid syndrome mouse model grooming Index. décimale : PER Périodiques Résumé : Shank3 is a multi-domain, synaptic scaffolding protein that organizes proteins in the postsynaptic density of excitatory synapses. Clinical studies suggest that ?0.5% of autism spectrum disorder (ASD) cases may involve SHANK3 mutation/deletion. Patients with SHANK3 mutations exhibit deficits in cognition along with delayed/impaired speech/language and repetitive and obsessive/compulsive-like (OCD-like) behaviors. To examine how mutation/deletion of SHANK3 might alter brain function leading to ASD, we have independently created mice with deletion of Shank3 exons 4-9, a region implicated in ASD patients. We find that homozygous deletion of exons 4-9 (Shank3e4-9 KO) results in loss of the two highest molecular weight isoforms of Shank3 and a significant reduction in other isoforms. Behaviorally, both Shank3e4-9 heterozygous (HET) and Shank3e4-9 KO mice display increased repetitive grooming, deficits in novel and spatial object recognition learning and memory, and abnormal ultrasonic vocalizations. Shank3e4-9 KO mice also display abnormal social interaction when paired with one another. Analysis of synaptosome fractions from striata of Shank3e4-9 KO mice reveals decreased Homer1b/c, GluA2, and GluA3 expression. Both Shank3e4-9 HET and KO demonstrated a significant reduction in NMDA/AMPA ratio at excitatory synapses onto striatal medium spiny neurons. Furthermore, Shank3e4-9 KO mice displayed reduced hippocampal LTP despite normal baseline synaptic transmission. Collectively these behavioral, biochemical and physiological changes suggest Shank3 isoforms have region-specific roles in regulation of AMPAR subunit localization and NMDAR function in the Shank3e4-9 mutant mouse model of autism. Autism Res 2016, 9: 350–375. © 2015 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1529 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=285
in Autism Research > 9-3 (March 2016) . - p.350-375[article] Altered Striatal Synaptic Function and Abnormal Behaviour in Shank3 Exon4-9 Deletion Mouse Model of Autism [Texte imprimé et/ou numérique] / Thomas C. JARAMILLO, Auteur ; Haley E. SPEED, Auteur ; Zhong XUAN, Auteur ; Jeremy M. REIMERS, Auteur ; Shunan LIU, Auteur ; Craig M. POWELL, Auteur . - p.350-375.
Langues : Anglais (eng)
in Autism Research > 9-3 (March 2016) . - p.350-375
Mots-clés : autism spectrum disorder Shank3 Phelan-McDermid syndrome mouse model grooming Index. décimale : PER Périodiques Résumé : Shank3 is a multi-domain, synaptic scaffolding protein that organizes proteins in the postsynaptic density of excitatory synapses. Clinical studies suggest that ?0.5% of autism spectrum disorder (ASD) cases may involve SHANK3 mutation/deletion. Patients with SHANK3 mutations exhibit deficits in cognition along with delayed/impaired speech/language and repetitive and obsessive/compulsive-like (OCD-like) behaviors. To examine how mutation/deletion of SHANK3 might alter brain function leading to ASD, we have independently created mice with deletion of Shank3 exons 4-9, a region implicated in ASD patients. We find that homozygous deletion of exons 4-9 (Shank3e4-9 KO) results in loss of the two highest molecular weight isoforms of Shank3 and a significant reduction in other isoforms. Behaviorally, both Shank3e4-9 heterozygous (HET) and Shank3e4-9 KO mice display increased repetitive grooming, deficits in novel and spatial object recognition learning and memory, and abnormal ultrasonic vocalizations. Shank3e4-9 KO mice also display abnormal social interaction when paired with one another. Analysis of synaptosome fractions from striata of Shank3e4-9 KO mice reveals decreased Homer1b/c, GluA2, and GluA3 expression. Both Shank3e4-9 HET and KO demonstrated a significant reduction in NMDA/AMPA ratio at excitatory synapses onto striatal medium spiny neurons. Furthermore, Shank3e4-9 KO mice displayed reduced hippocampal LTP despite normal baseline synaptic transmission. Collectively these behavioral, biochemical and physiological changes suggest Shank3 isoforms have region-specific roles in regulation of AMPAR subunit localization and NMDAR function in the Shank3e4-9 mutant mouse model of autism. Autism Res 2016, 9: 350–375. © 2015 International Society for Autism Research, Wiley Periodicals, Inc. En ligne : http://dx.doi.org/10.1002/aur.1529 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=285 Differential effects by sex with Kmt5b loss / R. N. WICKRAMASEKARA in Autism Research, 14-8 (August 2021)
[article]
Titre : Differential effects by sex with Kmt5b loss Type de document : Texte imprimé et/ou numérique Auteurs : R. N. WICKRAMASEKARA, Auteur ; B. ROBERTSON, Auteur ; J. HULEN, Auteur ; J. HALLGREN, Auteur ; H. A. F. STESSMAN, Auteur Article en page(s) : p.1554-1571 Langues : Anglais (eng) Mots-clés : Adult Animals Anxiety/genetics Autism Spectrum Disorder/genetics Disease Models, Animal Fear Female Grooming Humans Male Mice Mice, Knockout Social Behavior Young Adult genetics genotype-phenotype correlation mouse models Index. décimale : PER Périodiques Résumé : Lysine methyl transferase 5B (KMT5B) has been recently highlighted as a risk gene in genetic studies of neurodevelopmental disorders (NDDs), specifically, autism spectrum disorder (ASD) and intellectual disability (ID); yet, its role in the brain is not known. The goal of this work was to neurodevelopmentally characterize the effect(s) of KMT5B haploinsufficiency using a mouse model. A Kmt5b gene-trap mouse line was obtained from the Knockout Mouse Project. Wild type (WT) and heterozygous (HET) mice were subjected to a comprehensive neurodevelopmental test battery to assess reflexes, motor behavior, learning/memory, social behavior, repetitive movement, and common ASD comorbidities (obsessive compulsion, depression, and anxiety). Given the strong sex bias observed in the ASD patient population, we tested both a male and female cohort of animals and compared differences between genotypes and sexes. HET mice were significantly smaller than WT littermates starting at postnatal day 10 through young adulthood which was correlated with smaller brain size (i.e., microcephaly). This was more severe in males than females. HET male neonates also had delayed eye opening and significantly weaker reflexes than WT littermates. In young adults, significant differences between genotypes relative to anxiety, depression, fear, and extinction learning were observed. Interestingly, several sexually dimorphic differences were noted including increased repetitive grooming behavior in HET females and an increased latency to hot plate response in HET females versus a decreased latency in HET males. LAY SUMMARY: Lysine methyl transferase 5B (KMT5B) has been recently highlighted as a risk gene in neurodevelopmental disorders (NDDs), specifically, autism spectrum disorder (ASD) and intellectual disability (ID); yet its role in the brain is not known. Our study indicates that mice lacking one genomic copy of Kmt5b show deficits in neonatal reflexes, sociability, repetitive stress-induced grooming, changes in thermal pain sensing, decreased depression and anxiety, increased fear, slower extinction learning, and lower body weight, length, and brain size. Furthermore, several outcomes differed by sex, perhaps mirroring the sex bias in ASD. En ligne : http://dx.doi.org/10.1002/aur.2516 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=449
in Autism Research > 14-8 (August 2021) . - p.1554-1571[article] Differential effects by sex with Kmt5b loss [Texte imprimé et/ou numérique] / R. N. WICKRAMASEKARA, Auteur ; B. ROBERTSON, Auteur ; J. HULEN, Auteur ; J. HALLGREN, Auteur ; H. A. F. STESSMAN, Auteur . - p.1554-1571.
Langues : Anglais (eng)
in Autism Research > 14-8 (August 2021) . - p.1554-1571
Mots-clés : Adult Animals Anxiety/genetics Autism Spectrum Disorder/genetics Disease Models, Animal Fear Female Grooming Humans Male Mice Mice, Knockout Social Behavior Young Adult genetics genotype-phenotype correlation mouse models Index. décimale : PER Périodiques Résumé : Lysine methyl transferase 5B (KMT5B) has been recently highlighted as a risk gene in genetic studies of neurodevelopmental disorders (NDDs), specifically, autism spectrum disorder (ASD) and intellectual disability (ID); yet, its role in the brain is not known. The goal of this work was to neurodevelopmentally characterize the effect(s) of KMT5B haploinsufficiency using a mouse model. A Kmt5b gene-trap mouse line was obtained from the Knockout Mouse Project. Wild type (WT) and heterozygous (HET) mice were subjected to a comprehensive neurodevelopmental test battery to assess reflexes, motor behavior, learning/memory, social behavior, repetitive movement, and common ASD comorbidities (obsessive compulsion, depression, and anxiety). Given the strong sex bias observed in the ASD patient population, we tested both a male and female cohort of animals and compared differences between genotypes and sexes. HET mice were significantly smaller than WT littermates starting at postnatal day 10 through young adulthood which was correlated with smaller brain size (i.e., microcephaly). This was more severe in males than females. HET male neonates also had delayed eye opening and significantly weaker reflexes than WT littermates. In young adults, significant differences between genotypes relative to anxiety, depression, fear, and extinction learning were observed. Interestingly, several sexually dimorphic differences were noted including increased repetitive grooming behavior in HET females and an increased latency to hot plate response in HET females versus a decreased latency in HET males. LAY SUMMARY: Lysine methyl transferase 5B (KMT5B) has been recently highlighted as a risk gene in neurodevelopmental disorders (NDDs), specifically, autism spectrum disorder (ASD) and intellectual disability (ID); yet its role in the brain is not known. Our study indicates that mice lacking one genomic copy of Kmt5b show deficits in neonatal reflexes, sociability, repetitive stress-induced grooming, changes in thermal pain sensing, decreased depression and anxiety, increased fear, slower extinction learning, and lower body weight, length, and brain size. Furthermore, several outcomes differed by sex, perhaps mirroring the sex bias in ASD. En ligne : http://dx.doi.org/10.1002/aur.2516 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=449 Novel Shank3 mutant exhibits behaviors with face validity for autism and altered striatal and hippocampal function / Thomas C. JARAMILLO in Autism Research, 10-1 (January 2017)
[article]
Titre : Novel Shank3 mutant exhibits behaviors with face validity for autism and altered striatal and hippocampal function Type de document : Texte imprimé et/ou numérique Auteurs : Thomas C. JARAMILLO, Auteur ; Haley E. SPEED, Auteur ; Zhong XUAN, Auteur ; Jeremy M. REIMERS, Auteur ; Christine OCHOA ESCAMILLA, Auteur ; Travis P. WEAVER, Auteur ; Shunan LIU, Auteur ; Irina FILONOVA, Auteur ; Craig M. POWELL, Auteur Article en page(s) : p.42-65 Langues : Anglais (eng) Mots-clés : autism spectrum disorder Shank3 Phelan-McDermid syndrome mouse model social interaction grooming Index. décimale : PER Périodiques Résumé : Mutations/deletions in the SHANK3 gene are associated with autism spectrum disorders and intellectual disability. Here, we present electrophysiological and behavioral consequences in novel heterozygous and homozygous mice with a transcriptional stop cassette inserted upstream of the PDZ domain-coding exons in Shank3 (Shank3E13). Insertion of a transcriptional stop cassette prior to exon 13 leads to loss of the two higher molecular weight isoforms of Shank3. Behaviorally, both Shank3E13 heterozygous (HET) and homozygous knockout (KO) mice display increased repetitive grooming, deficits in social interaction tasks, and decreased rearing. Shank3E13 KO mice also display deficits in spatial memory in the Morris water maze task. Baseline hippocampal synaptic transmission and short-term plasticity are preserved in Shank3E13 HET and KO mice, while both HET and KO mice exhibit impaired hippocampal long-term plasticity. Additionally, Shank3E13 HET and KO mice display impaired striatal glutamatergic synaptic transmission. These results demonstrate for the first time in this novel Shank3 mutant that both homozygous and heterozygous mutation of Shank3 lead to behavioral abnormalities with face validity for autism along with widespread synaptic dysfunction. En ligne : http://dx.doi.org/10.1002/aur.1664 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=302
in Autism Research > 10-1 (January 2017) . - p.42-65[article] Novel Shank3 mutant exhibits behaviors with face validity for autism and altered striatal and hippocampal function [Texte imprimé et/ou numérique] / Thomas C. JARAMILLO, Auteur ; Haley E. SPEED, Auteur ; Zhong XUAN, Auteur ; Jeremy M. REIMERS, Auteur ; Christine OCHOA ESCAMILLA, Auteur ; Travis P. WEAVER, Auteur ; Shunan LIU, Auteur ; Irina FILONOVA, Auteur ; Craig M. POWELL, Auteur . - p.42-65.
Langues : Anglais (eng)
in Autism Research > 10-1 (January 2017) . - p.42-65
Mots-clés : autism spectrum disorder Shank3 Phelan-McDermid syndrome mouse model social interaction grooming Index. décimale : PER Périodiques Résumé : Mutations/deletions in the SHANK3 gene are associated with autism spectrum disorders and intellectual disability. Here, we present electrophysiological and behavioral consequences in novel heterozygous and homozygous mice with a transcriptional stop cassette inserted upstream of the PDZ domain-coding exons in Shank3 (Shank3E13). Insertion of a transcriptional stop cassette prior to exon 13 leads to loss of the two higher molecular weight isoforms of Shank3. Behaviorally, both Shank3E13 heterozygous (HET) and homozygous knockout (KO) mice display increased repetitive grooming, deficits in social interaction tasks, and decreased rearing. Shank3E13 KO mice also display deficits in spatial memory in the Morris water maze task. Baseline hippocampal synaptic transmission and short-term plasticity are preserved in Shank3E13 HET and KO mice, while both HET and KO mice exhibit impaired hippocampal long-term plasticity. Additionally, Shank3E13 HET and KO mice display impaired striatal glutamatergic synaptic transmission. These results demonstrate for the first time in this novel Shank3 mutant that both homozygous and heterozygous mutation of Shank3 lead to behavioral abnormalities with face validity for autism along with widespread synaptic dysfunction. En ligne : http://dx.doi.org/10.1002/aur.1664 Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=302