Abstract:
:Ketamine, a known antagonist of N-methyl-D-aspartic (NMDA) glutamate receptors, had been used as an anesthetic particularly for pediatric or for cardiac patients. Unfortunately, ketamine has become an abusive drug in many parts of the world while chronic and prolonged usage led to damages of many organs including the brain. However, no studies on possible damages in the brains induced by chronic ketamine abuse have been documented in the human via neuroimaging. This paper described for the first time via employing magnetic resonance imaging (MRI) the changes in ketamine addicts of 0.5-12 years and illustrated the possible brain regions susceptible to ketamine abuse. Twenty-one ketamine addicts were recruited and the results showed that the lesions in the brains of ketamine addicts were located in many regions which appeared 2-4 years after ketamine addiction. Cortical atrophy was usually evident in the frontal, parietal or occipital cortices of addicts. Such study confirmed that many brain regions in the human were susceptible to chronic ketamine injury and presented a diffuse effect of ketamine on the brain which might differ from other central nervous system (CNS) drugs, such as cocaine, heroin, and methamphetamine.
journal_name
Front Neuroanatjournal_title
Frontiers in neuroanatomyauthors
Wang C,Zheng D,Xu J,Lam W,Yew DTdoi
10.3389/fnana.2013.00023subject
Has Abstractpub_date
2013-07-17 00:00:00pages
23issn
1662-5129journal_volume
7pub_type
杂志文章abstract::Species-typical patterns of grouping have profound impacts on many aspects of physiology and behavior. However, prior to our recent studies in estrildid finches, neural mechanisms that titrate species-typical group-size preferences, independent of other aspects of social organization (e.g., mating system and parental ...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2011.00013
更新日期:2011-03-02 00:00:00
abstract::Hippocampal sclerosis is the most frequent pathology encountered in resected mesial temporal structures from patients with intractable temporal lobe epilepsy (TLE). Here, we have used stereological methods to compare the overall density of synapses and neurons between non-sclerotic and sclerotic hippocampal tissue obt...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2011.00008
更新日期:2011-02-24 00:00:00
abstract::How does the size of the glial and neuronal cells that compose brain tissue vary across brain structures and species? Our previous studies indicate that average neuronal size is highly variable, while average glial cell size is more constant. Measuring whole cell sizes in vivo, however, is a daunting task. Here we use...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2014.00127
更新日期:2014-11-12 00:00:00
abstract::Dendritic spines are key components of a variety of microcircuits and they represent the majority of postsynaptic targets of glutamatergic axon terminals in the brain. The present article will focus on the discovery of dendritic spines, which was possible thanks to the application of the Golgi technique to the study o...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章,评审
doi:10.3389/fnana.2015.00014
更新日期:2015-03-05 00:00:00
abstract::Enough species have now been subject to systematic quantitative analysis of the relationship between the morphology and cellular composition of their brain that patterns begin to emerge and shed light on the evolutionary path that led to mammalian brain diversity. Based on an analysis of the shared and clade-specific ...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章,评审
doi:10.3389/fnana.2014.00077
更新日期:2014-08-11 00:00:00
abstract::The mammalian oculomotor nucleus receives a strong γ-aminobutyric acid (GABA)ergic synaptic input, whereas such projections have rarely been reported in fish. In order to determine whether this synaptic organization is preserved across vertebrates, we investigated the GABAergic projections to the oculomotor nucleus in...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2011.00007
更新日期:2011-02-04 00:00:00
abstract::A subset of monoamine neurons releases glutamate as a cotransmitter due to presence of the vesicular glutamate transporters VGLUT2 or VGLUT3. In addition to mediating vesicular loading of glutamate, it has been proposed that VGLUT3 enhances serotonin (5-HT) vesicular loading by the vesicular monoamine transporter (VMA...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2016.00039
更新日期:2016-04-12 00:00:00
abstract::The thalamocingulate tract is a key component of the Papez circuit that connects the anterior thalamic nucleus (ATN) to the cingulum bundle. While the other white matter connections, consisting of the fornix, cingulum bundle and mammillothalamic tract, were well defined in Papez's original 1937 paper, the anatomy of t...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章,评审
doi:10.3389/fnana.2019.00014
更新日期:2019-02-18 00:00:00
abstract::Striatal dopamine (DA) denervation results in a significant loss of dendritic spines on medium spiny projection neurons in Parkinson's disease. In 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-treated parkinsonian monkeys, spines contacted either by cortical or thalamic glutamatergic terminals are severely affected on ...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2010.00133
更新日期:2010-12-10 00:00:00
abstract::Carnivorans are a diverse group of mammals that includes carnivorous, omnivorous and herbivorous, domesticated and wild species, with a large range of brain sizes. Carnivory is one of several factors expected to be cognitively demanding for carnivorans due to a requirement to outsmart larger prey. On the other hand, l...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2017.00118
更新日期:2017-12-12 00:00:00
abstract::Polysialic acid (polySia) is a complex sugar that in the nervous system appears mainly as a posttranslational modification of the neural cell adhesion molecule (NCAM). PolySia plays important roles during brain development, but also in its plasticity during adulthood. Two polysialyltransferases (polyST), ST8SIA2 and S...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2019.00006
更新日期:2019-02-06 00:00:00
abstract::Immunohistochemistry (IHC) is a valuable method for identifying discrete neurochemical molecules by the interaction of target antigens with validated antibodies tagged with a visible label (e.g., peroxidase). We have developed an immunostaining method that is highly sensitive in detection of neurochemical antigens. Ou...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2015.00022
更新日期:2015-03-03 00:00:00
abstract::Anatomically distinct areas within the basal ganglia encode flexible- and stable-value memories for visual objects (Hikosaka et al., 2014), but an important question remains: do they receive inputs from the same or different brain areas or neurons? To answer this question, we first located flexible and stable value-co...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2017.00106
更新日期:2017-11-24 00:00:00
abstract::Non-invasive in vivo neuroimaging techniques provide a wide array of possibilities to study human brain function. A number of approaches are available that improve our understanding of the anatomical location of brain activation patterns, including the development of probabilistic conversion tools to register individu...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2018.00110
更新日期:2018-12-05 00:00:00
abstract::In the olfactory bulb (OB) a sophisticated neuronal network mediates the primary processing of sensory information and extensive investigations over the past decades have greatly improved our understanding of the morphology and neuronal organization of the OB. However, efforts have mostly been focused on the different...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2017.00125
更新日期:2017-12-18 00:00:00
abstract::Analyses of mice carrying a deletion of the pan-neurotrophin receptor p75NTR have allowed identifying p75NTR as an important structural regulator of the hippocampus. Most of the previous analyses were done using p75NTR (ExIII) knockout mice which still express the short isoform of p75NTR. To scrutinize the role of p75...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2015.00063
更新日期:2015-05-27 00:00:00
abstract::Gestational exposure to valproic acid (VPA) is known to cause behavioral deficits of sociability, matching similar alterations in human autism spectrum disorder (ASD). Available data are scarce on the neuromorphological changes in VPA-exposed animals. Here, we focused on alterations of the dopaminergic system, which i...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2020.00029
更新日期:2020-06-05 00:00:00
abstract::Calcium stores in neurons are heterogeneous in compartmentalization and molecular composition. Danio rerio (zebrafish) is an animal model with a simply folded cerebellum similar in cellular organization to that of mammals. The aim of the study was to identify new endoplasmic reticulum (ER) calcium store markers in zeb...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2020.00015
更新日期:2020-04-21 00:00:00
abstract::Experiments in several species have identified direct projections to the medial geniculate nucleus (MG) from cells in subcollicular auditory nuclei. Moreover, many cochlear nucleus cells that project to the MG send collateral projections to the inferior colliculus (IC) (Schofield et al., 2014). We conducted three expe...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2014.00070
更新日期:2014-07-18 00:00:00
abstract::Dual transneuronal tracing is a novel viral tracing methodology which employs two recombinant viruses, each expressing a different reporter protein. Peripheral injection of recombinant pseudorabies viruses has been used as a powerful method to define neurons that coordinate outputs to various peripheral targets of mot...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/neuro.05.001.2009
更新日期:2009-01-19 00:00:00
abstract::The white matter (WM) of the adult human neocortex contains the so-called "interstitial neurons". They are most numerous in the superficial WM underlying the cortical gyri, and decrease in density toward the deep WM. They are morphologically heterogeneous. A subgroup of interstitial neurons display pyramidal-cell like...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/neuro.05.007.2009
更新日期:2009-06-09 00:00:00
abstract::Dopamine (DA) modulates the effects of amino acid neurotransmitters (AANs), including GABA and glutamate, in motor, visual, olfactory, and reward systems (Hnasko et al., 2010; Stuber et al., 2010; Hnasko and Edwards, 2012). The results suggest that DA may play a similar modulatory role in the auditory pathways. Previo...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2015.00088
更新日期:2015-07-22 00:00:00
abstract::The white matter of the central nervous system (CNS) is difficult to represent in anatomy because it is located predominantly "between" other anatomical entities. In a classic presentation, like a cross section of a brain segment, white matter is present and can be labeled adequately. Several appearances of the same e...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2018.00102
更新日期:2018-12-13 00:00:00
abstract::Recent studies have supported the relation between mitochondrial functions and degenerative disorders related to ageing, such as Alzheimer's and Parkinson's diseases. Since these studies have exposed the need for detailed and high-resolution analysis of physical alterations in mitochondria, it is necessary to be able ...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2018.00092
更新日期:2018-11-02 00:00:00
abstract::Huntington's Disease (HD) is the most frequent neurodegenerative disease caused by an expansion of polyglutamines (CAG). The main clinical manifestations of HD are chorea, cognitive impairment, and psychiatric disorders. The transmission of HD is autosomal dominant with a complete penetrance. HD has a single genetic c...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2011.00055
更新日期:2011-08-23 00:00:00
abstract::We evaluated the neuropil distribution of the enzymes NADPH diaphorase (NADPH-d) and cytochrome oxidase (CO) in the spinal cord of the agouti, a medium-sized diurnal rodent, together with the distribution pattern and morphometrical characteristics of NADPH-d reactive neurons across different spinal segments. Neuropil ...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/neuro.05.002.2008
更新日期:2008-05-26 00:00:00
abstract::Cortical calretinin (CR)-expressing interneurons represent a heterogeneous subpopulation of about 10-30% of GABAergic interneurons, which altogether total ca. 12-20% of all cortical neurons. In the rodent neocortex, CR cells display different somatodendritic morphologies ranging from bipolar to multipolar but the bipo...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章,评审
doi:10.3389/fnana.2014.00052
更新日期:2014-06-24 00:00:00
abstract::Historically, the molecular and cellular mechanisms of cerebellar development were investigated through structural descriptions and studying spontaneous mutations in animal models and humans. Advances in experimental embryology, genetic engineering, and neuroimaging techniques render today the possibility to approach ...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2013.00018
更新日期:2013-06-26 00:00:00
abstract::Most studies in mammals and birds have demonstrated common patterns of hypothalamic development highlighted by the combination of developmental regulatory genes (genoarchitecture), supporting the notion of the hypothalamus as a component of the secondary prosencephalon, topologically rostral to the diencephalon. In ou...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章,评审
doi:10.3389/fnana.2015.00003
更新日期:2015-02-03 00:00:00
abstract::Oxytocin, a neuropeptide and peptide hormone, is produced by neurons in the hypothalamus and released by the posterior pituitary to control breastfeeding and labor. Recent studies have revealed that oxytocin in the central nervous system is also involved in modulating social interaction. To understand the potential ro...
journal_title:Frontiers in neuroanatomy
pub_type: 杂志文章
doi:10.3389/fnana.2020.559402
更新日期:2020-10-19 00:00:00