Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats

Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function. Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Sabrina Behuet [verfasserIn] Jennifer Nadine Cremer [verfasserIn] Markus Cremer [verfasserIn] Nicola Palomero-Gallagher [verfasserIn] Karl Zilles [verfasserIn] Katrin Amunts [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain

Übergeordnetes Werk:	In: Frontiers in Neuroanatomy - Frontiers Media S.A., 2008, 13(2019)
Übergeordnetes Werk:	volume:13 ; year:2019

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fnana.2019.00100

Katalog-ID:	DOAJ001323180

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allfields	10.3389/fnana.2019.00100 doi (DE-627)DOAJ001323180 (DE-599)DOAJ622fe0a080be4661b641eaad16d48044 DE-627 ger DE-627 rakwb eng RC321-571 QM1-695 Sabrina Behuet verfasserin aut Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function. receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain Neurosciences. Biological psychiatry. Neuropsychiatry Human anatomy Jennifer Nadine Cremer verfasserin aut Markus Cremer verfasserin aut Nicola Palomero-Gallagher verfasserin aut Nicola Palomero-Gallagher verfasserin aut Karl Zilles verfasserin aut Katrin Amunts verfasserin aut Katrin Amunts verfasserin aut In Frontiers in Neuroanatomy Frontiers Media S.A., 2008 13(2019) (DE-627)579826465 (DE-600)2452969-2 16625129 nnns volume:13 year:2019 https://doi.org/10.3389/fnana.2019.00100 kostenfrei https://doaj.org/article/622fe0a080be4661b641eaad16d48044 kostenfrei https://www.frontiersin.org/article/10.3389/fnana.2019.00100/full kostenfrei https://doaj.org/toc/1662-5129 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_2003 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 13 2019
spelling	10.3389/fnana.2019.00100 doi (DE-627)DOAJ001323180 (DE-599)DOAJ622fe0a080be4661b641eaad16d48044 DE-627 ger DE-627 rakwb eng RC321-571 QM1-695 Sabrina Behuet verfasserin aut Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function. receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain Neurosciences. Biological psychiatry. Neuropsychiatry Human anatomy Jennifer Nadine Cremer verfasserin aut Markus Cremer verfasserin aut Nicola Palomero-Gallagher verfasserin aut Nicola Palomero-Gallagher verfasserin aut Karl Zilles verfasserin aut Katrin Amunts verfasserin aut Katrin Amunts verfasserin aut In Frontiers in Neuroanatomy Frontiers Media S.A., 2008 13(2019) (DE-627)579826465 (DE-600)2452969-2 16625129 nnns volume:13 year:2019 https://doi.org/10.3389/fnana.2019.00100 kostenfrei https://doaj.org/article/622fe0a080be4661b641eaad16d48044 kostenfrei https://www.frontiersin.org/article/10.3389/fnana.2019.00100/full kostenfrei https://doaj.org/toc/1662-5129 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_2003 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 13 2019
allfields_unstemmed	10.3389/fnana.2019.00100 doi (DE-627)DOAJ001323180 (DE-599)DOAJ622fe0a080be4661b641eaad16d48044 DE-627 ger DE-627 rakwb eng RC321-571 QM1-695 Sabrina Behuet verfasserin aut Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function. receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain Neurosciences. Biological psychiatry. Neuropsychiatry Human anatomy Jennifer Nadine Cremer verfasserin aut Markus Cremer verfasserin aut Nicola Palomero-Gallagher verfasserin aut Nicola Palomero-Gallagher verfasserin aut Karl Zilles verfasserin aut Katrin Amunts verfasserin aut Katrin Amunts verfasserin aut In Frontiers in Neuroanatomy Frontiers Media S.A., 2008 13(2019) (DE-627)579826465 (DE-600)2452969-2 16625129 nnns volume:13 year:2019 https://doi.org/10.3389/fnana.2019.00100 kostenfrei https://doaj.org/article/622fe0a080be4661b641eaad16d48044 kostenfrei https://www.frontiersin.org/article/10.3389/fnana.2019.00100/full kostenfrei https://doaj.org/toc/1662-5129 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_2003 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 13 2019
allfieldsGer	10.3389/fnana.2019.00100 doi (DE-627)DOAJ001323180 (DE-599)DOAJ622fe0a080be4661b641eaad16d48044 DE-627 ger DE-627 rakwb eng RC321-571 QM1-695 Sabrina Behuet verfasserin aut Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function. receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain Neurosciences. Biological psychiatry. Neuropsychiatry Human anatomy Jennifer Nadine Cremer verfasserin aut Markus Cremer verfasserin aut Nicola Palomero-Gallagher verfasserin aut Nicola Palomero-Gallagher verfasserin aut Karl Zilles verfasserin aut Katrin Amunts verfasserin aut Katrin Amunts verfasserin aut In Frontiers in Neuroanatomy Frontiers Media S.A., 2008 13(2019) (DE-627)579826465 (DE-600)2452969-2 16625129 nnns volume:13 year:2019 https://doi.org/10.3389/fnana.2019.00100 kostenfrei https://doaj.org/article/622fe0a080be4661b641eaad16d48044 kostenfrei https://www.frontiersin.org/article/10.3389/fnana.2019.00100/full kostenfrei https://doaj.org/toc/1662-5129 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_2003 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 13 2019
allfieldsSound	10.3389/fnana.2019.00100 doi (DE-627)DOAJ001323180 (DE-599)DOAJ622fe0a080be4661b641eaad16d48044 DE-627 ger DE-627 rakwb eng RC321-571 QM1-695 Sabrina Behuet verfasserin aut Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function. receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain Neurosciences. Biological psychiatry. Neuropsychiatry Human anatomy Jennifer Nadine Cremer verfasserin aut Markus Cremer verfasserin aut Nicola Palomero-Gallagher verfasserin aut Nicola Palomero-Gallagher verfasserin aut Karl Zilles verfasserin aut Katrin Amunts verfasserin aut Katrin Amunts verfasserin aut In Frontiers in Neuroanatomy Frontiers Media S.A., 2008 13(2019) (DE-627)579826465 (DE-600)2452969-2 16625129 nnns volume:13 year:2019 https://doi.org/10.3389/fnana.2019.00100 kostenfrei https://doaj.org/article/622fe0a080be4661b641eaad16d48044 kostenfrei https://www.frontiersin.org/article/10.3389/fnana.2019.00100/full kostenfrei https://doaj.org/toc/1662-5129 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_2003 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 13 2019
language	English
source	In Frontiers in Neuroanatomy 13(2019) volume:13 year:2019
sourceStr	In Frontiers in Neuroanatomy 13(2019) volume:13 year:2019
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain Neurosciences. Biological psychiatry. Neuropsychiatry Human anatomy
isfreeaccess_bool	true
container_title	Frontiers in Neuroanatomy
authorswithroles_txt_mv	Sabrina Behuet @@aut@@ Jennifer Nadine Cremer @@aut@@ Markus Cremer @@aut@@ Nicola Palomero-Gallagher @@aut@@ Karl Zilles @@aut@@ Katrin Amunts @@aut@@
publishDateDaySort_date	2019-01-01T00:00:00Z
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issn	16625129
topic_title	RC321-571 QM1-695 Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats receptor autoradiography glutamate GABA neurotransmitter receptor brain development rat brain
topic	misc RC321-571 misc QM1-695 misc receptor autoradiography misc glutamate misc GABA misc neurotransmitter receptor misc brain development misc rat brain misc Neurosciences. Biological psychiatry. Neuropsychiatry misc Human anatomy
topic_unstemmed	misc RC321-571 misc QM1-695 misc receptor autoradiography misc glutamate misc GABA misc neurotransmitter receptor misc brain development misc rat brain misc Neurosciences. Biological psychiatry. Neuropsychiatry misc Human anatomy
topic_browse	misc RC321-571 misc QM1-695 misc receptor autoradiography misc glutamate misc GABA misc neurotransmitter receptor misc brain development misc rat brain misc Neurosciences. Biological psychiatry. Neuropsychiatry misc Human anatomy
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title	Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats
ctrlnum	(DE-627)DOAJ001323180 (DE-599)DOAJ622fe0a080be4661b641eaad16d48044
title_full	Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats
author_sort	Sabrina Behuet
journal	Frontiers in Neuroanatomy
journalStr	Frontiers in Neuroanatomy
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author_browse	Sabrina Behuet Jennifer Nadine Cremer Markus Cremer Nicola Palomero-Gallagher Karl Zilles Katrin Amunts
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class	RC321-571 QM1-695
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author-letter	Sabrina Behuet
doi_str_mv	10.3389/fnana.2019.00100
author2-role	verfasserin
title_sort	developmental changes of glutamate and gaba receptor densities in wistar rats
callnumber	RC321-571
title_auth	Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats
abstract	Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function.
abstractGer	Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function.
abstract_unstemmed	Neurotransmitters and their receptors are key molecules of signal transduction and subject to various changes during pre- and postnatal development. Previous studies addressed ontogeny at the level of neurotransmitters and expression of neurotransmitter receptor subunits. However, developmental changes in receptor densities to this day are not well understood. Here, we analyzed developmental changes in excitatory glutamate and inhibitory γ-aminobutyric acid (GABA) receptors in adjacent sections of the rat brain by means of quantitative in vitro receptor autoradiography. Receptor densities of the ionotropic glutamatergic receptors α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA), kainate and N-methyl-D-aspartate (NMDA) as well as of the ionotropic GABAA and metabotropic GABAB receptors were investigated using specific high-affinity ligands. For each receptor binding site, significant density differences were demonstrated in the investigated regions of interest [olfactory bulb, striatum, hippocampus, and cerebellum] and developmental stages [postnatal day (P) 0, 10, 20, 30 and 90]. In particular, we showed that the glutamatergic and GABAergic receptor densities were already present between P0 and P10 in all regions of interest, which may indicate the early relevance of these receptors for brain development. A transient increase of glutamatergic receptor densities in the hippocampus was found, indicating their possible involvement in synaptic plasticity. We demonstrated a decline of NMDA receptor densities in the striatum and hippocampus from P30 to P90, which could be due to synapse elimination, a process that redefines neuronal networks in postnatal brains. Furthermore, the highest increase in GABAA receptor densities from P10 to P20 coincides with the developmental shift from excitatory to inhibitory GABA transmission. Moreover, the increase from P10 to P20 in GABAA receptor densities in the cerebellum corresponds to a point in time when functional GABAergic synapses are formed. Taken together, the present data reveal differential changes in glutamate and GABA receptor densities during postnatal rat brain development, which may contribute to their specific functions during ontogenesis, thus providing a deeper understanding of brain ontogenesis and receptor function.
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title_short	Developmental Changes of Glutamate and GABA Receptor Densities in Wistar Rats
url	https://doi.org/10.3389/fnana.2019.00100 https://doaj.org/article/622fe0a080be4661b641eaad16d48044 https://www.frontiersin.org/article/10.3389/fnana.2019.00100/full https://doaj.org/toc/1662-5129
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author2	Jennifer Nadine Cremer Markus Cremer Nicola Palomero-Gallagher Karl Zilles Katrin Amunts
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up_date	2024-07-03T19:44:30.714Z
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