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Journal of Chemical Neuroanatomy

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https://www.readbyqxmd.com/read/28445782/the-immunohistochemical-distribution-of-the-gabaa-receptor-%C3%AE-1-%C3%AE-2-%C3%AE-3-%C3%AE-2-3-and-%C3%AE-2-subunits-in-the-human-thalamus
#1
H J Waldvogel, M Munkle, W van Roon-Mom, H Mohler, R L M Faull
The GABAA receptor is the most abundant inhibitory receptor in the human brain and is assembled from a variety of different subunit subtypes which determines their pharmacology and physiology. To determine which GABAA receptor subunit proteins are found in the human thalamus we investigated the distribution of five major GABAA receptor subunits α1, α2, α3, β2,3 and γ2 using immunohistochemical techniques. The α1-, β2,3- and γ2- subunits which combine to form a benzodiazepine sensitive GABAA receptor showed the most intense levels of staining and were the most common subunits found throughout the human thalamus especially in the ventral and posterior nuclear groups...
April 23, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28428016/the-role-of-low-level-laser-therapy-on-neuropathic-pain-relief-and-interleukin-6-expression-following-spinal-cord-injury-an-experimental-study
#2
Negin Mojarad, Atousa Janzadeh, Mahmoud Yousefifard, Farinaz Nasirinezhad
INTRODUCTION: The effect of Low Level Laser Therapy (LLLT) as a non-invasive treatment of spinal cord injury (SCI) is still under investigation. Therefore, the present study aimed to evaluate the effectiveness of LLLT on neuropathic pain and interleukin-6 (IL-6) expression following SCI in male rats. METHODS: 46 adult male rats were divided into 5 groups of control, SCI, treatment with methylprednisolone sodium succinate (MPSS), 1-week LLLT and 2-week LLLT. Animals underwent behavioral evaluations for motor behavior, level of allodynia and hyperalgesia every week...
April 17, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28419831/molecular-phenotyping-of-transient-postnatal-tyrosine-hydroxylase-neurons-in-the-rat-bed-nucleus-of-the-stria-terminalis
#3
David A Carter
The bed nucleus of the stria terminalis (BNST) is a complex integrative centre in the forebrain, composed of multiple sub-nuclei, each with discrete populations of neurons. Progress in understanding BNST function, both in the adult and during postnatal maturation, is dependent upon a more complete characterization of neuronal phenotypes in the BNST. The aim of the current study was to define the molecular phenotype of one postnatal BNST neuronal population, in order to identify molecular factors that may underlie both (protein marker-related) immaturity, and secondly, the transience of this phenotype...
April 15, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28416460/regional-distribution-of-cholinergic-catecholaminergic-serotonergic-and-orexinergic-neurons-in-the-brain-of-two-carnivore-species-the-feliform-banded-mongoose-mungos-mungo-and-the-caniform-domestic-ferret-mustela-putorius-furo
#4
Sashrika Pillay, Adhil Bhagwandin, Mads F Bertelsen, Nina Patzke, Gerhard Engler, Andreas K Engel, Paul R Manger
The nuclear organization of the cholinergic, catecholaminergic, serotonergic and orexinergic neurons in the brains of two species of carnivore, the banded mongoose (Mungos mungo) and domestic ferret (Mustela putorius furo), is presented. The banded mongoose belongs to the feliform suborder and the domestic ferret to the caniform suborder, having last shared a common ancestor approximately 53 million years ago; however, they have a very similar overall morphology and life history, presenting an interesting opportunity to examine the extent of evolutionary plasticity in these systems...
April 14, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28416459/the-error-of-broca-from-the-traditional-localizationist-concept-to-a-connectomal-anatomy-of-human-brain
#5
REVIEW
Hugues Duffau
Neurology, especially aphasiology, was mainly built on behavioral-structural correlations ("lesion method"). In this setting, Broca's area has been considered as the "speech area"; moreover, this observation led to localizationism. However, advances in brain mapping techniques, as functional neuroimaging and direct electrical stimulation in patients undergoing awake surgery for gliomas, has resulted in a paradigmatic shift regarding models of neural architecture. In fact, the brain is organized in distributed complex networks underpinning sensorimotor, visuospatial, language, cognitive and emotional functions...
April 14, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28414121/neural-derived-estradiol-regulates-brain-plasticity
#6
REVIEW
Iñigo Azcoitia, Maria Angeles Arevalo, Luis M Garcia-Segura
In addition to be an ovarian hormone, estradiol is a neurosteroid synthesized by neural cells. The brain is a steroidogenic tissue that metabolizes testosterone to estradiol. The last step in the synthesis of estradiol is catalyzed by the enzyme aromatase, which is widely expressed in the brain of male and female animals and humans. Studies that have manipulated the expression or the activity of aromatase have revealed that brain-derived estradiol acts as a neuromodulator and regulates different forms of brain plasticity in male and female animals...
April 13, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28341180/morphological-and-morphometrical-maturation-of-ventral-cochlear-nucleus-in-human-foetus
#7
Sabita Mishra, T S Roy, Shashi Wadhwa
Auditory impulses perceived by the hair cells of the organ of corti are relayed in the cochlear nucleus, the first relay station in the brainstem, by the cochlear nerve. The human foetus is well known to respond to sound during the last trimester of gestation. On the contrary, studies conducted in rat, cat and mouse have shown that these mammals have an immature auditory system at the time of birth. There are very few reports available regarding the morphological and functional maturation of the cochlear nucleus in human...
March 21, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28341179/the-use-of-non-steroidal-anti-inflammatory-drugs-in-neurological-diseases
#8
REVIEW
Murat Terzi, Gamze Altun, Sedat Şen, Adem Kocaman, Arife Ahsen Kaplan, Kıymet Kübra Yurt, Süleyman Kaplan
Non-steroidal anti-inflammatory drugs (NSAIDs) have been in use for many years and constitute a large part of prescriptions issued in daily practice. Although NSAIDs are used for many diseases in neurology, they have also been tested as a new therapeutic option for various other diseases. While their effects on headache and cerebrovascular diseases are well known, little is known about their impact on neurodegenerative diseases. This review discusses the use, effects and safety of NSAIDs in neurological diseases...
March 21, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28323108/chronic-methamphetamine-exposure-significantly-decreases-microglia-activation-in-the-arcuate-nucleus
#9
Steven A Lloyd, Beau Corkill, Matthew C Bruster, Rick L Roberts, Ryan A Shanks
Methamphetamine is a powerful psychostimulant drug and its use and abuse necessitates a better understanding of its neurobiobehavioral effects. The acute effects of binge dosing of methamphetamine on the neurons in the CNS are well studied. However, the long-term effects of chronic, low-dose methamphetamine are less well characterized, especially in other cell types and areas outside of the major dopamine pathways. Mice were administered 5mg/kg/day methamphetamine for ten days and brain tissue was analyzed using histochemistry and image analysis...
March 18, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28254550/electric-injury-induced-purkinje-cell-apoptosis-in-rat-cerebellum-histological-and-immunohistochemical-study
#10
Samah Kandeel, Naema Mahmoud Elhosary, Mona Mohamed Abo El-Noor, Mohamed Balaha
INTRODUCTION: Electrical injury is a prominent problem in low income countries with increased morbidity and mortality rate. Nervous system is one of the most susceptible systems to electrical current because of its low resistance. There were different studies demonstrated electrocution effect on the nervous system, however little was made on the cerebellum. AIM: This study was conducted to produce an experimental suggestion concerning injury of the nervous system through evaluating Purkinje cell apoptosis and number in rat cerebellum by fatal and non-fatal electric current using histological and immunohistochemical study...
February 28, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28238867/aqueous-extract-of-launaea-acanthodes-induces-glutamate-uptake-and-gaba-release-in-astrocyte-cell-culture-via-a-ros-scavenging-mediated-process
#11
Hamid Kasnavi Yazdi, Mohammad Fazilati, Raheleh Rahbarian, Gholamhossein Riazi, Habibollah Nazem
Launaea acanthodes is extensively used in the semiarid region of Iran for treatment of seizure. However, the underlying mechanism has not been studied well. In our previous study we showed that Launaea acanthodes extract could effectively stimulate GABA release from PC12 cell culture. The critical role of astrocytes in epileptic brain in regulation of neurotransmitter balance in central nervous system encouraged us to investigate the effect of Launaea acanthodes extract on GABA and glutamate release from astrocytes...
February 24, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28238866/the-distribution-of-nicotinamide-adenine-dinucleotide-phosphate-diaphorase-nadph-d-in-the-medulla-oblongata-spinal-cord-cranial-and-spinal-nerves-of-frog-microhyla-ornata
#12
Arun G Jadhao, Saikat P Biswas, Rahul C Bhoyar, Claudia Pinelli
Nicotinamide adenine dinucleotide phosphate-diaphorase (NADPH-d) enzymatic activity has been reported in few amphibian species. In this study, we report its unusual localization in the medulla oblongata, spinal cord, cranial nerves, spinal nerves, and ganglions of the frog, Microhyla ornata. In the rhombencephalon, at the level of facial and vagus nerves, the NADPH-d labeling was noted in the nucleus of the abducent and facial nerves, dorsal nucleus of the vestibulocochlear nerve, the nucleus of hypoglossus nerve, dorsal and lateral column nucleus, the nucleus of the solitary tract, the dorsal field of spinal grey, the lateral and medial motor fields of spinal grey and radix ventralis and dorsalis (2-10)...
February 24, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28219715/metabolic-syndrome-causes-rec-ognition-memory-impairments-and-reduced-the-hippocampal-neuronal-plasticity-in-rats
#13
Samuel Treviño, Rubén A Vázquez-Roque, Gustavo López-López, Claudia Perez-Cruz, Carolina Moran, Anhabella Handal-Silva, Enrique González-Vergara, Gonzalo Flores, Jorge Guevara, Alfonso Díaz
Metabolic syndrome (MS) is a serious public health problem, which can promote neuronal alterations in cognitive regions related to memory processes and learning, such as the hippocampus. However, up to now there is no information of a regional segregation of this damage. In this study, we evaluate the MS effect on the neuronal morphology of the hippocampus by a regional segregation approach. Our results demonstrate that 90days of a high-calorie diet altered metabolic energy markers and caused memory impairments, as evaluated by the recognition of novel objects test (NORT)...
February 17, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28213183/a-role-for-the-serotonin-reuptake-transporter-in-the-brain-and-intestinal-features-of-autism-spectrum-disorders-and-developmental-antidepressant-exposure
#14
REVIEW
Kara Gross Margolis
Many disease conditions considered CNS-predominant harbor significant intestinal comorbidities. Serotonin (5-HT) and the serotonin reuptake transporter (SERT) have increasingly been shown to play important roles in both brain and intestinal development and long-term function. 5-HT and SERT may thus modulate critical functions in the development and perpetuation of brain-gut axis disease. We discuss the potential roles of 5-HT and SERT in the brain and intestinal manifestations of autism spectrum disorders and developmental antidepressant exposure...
February 14, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28188834/amelioration-of-cerebellar-dysfunction-in-rats-following-postnatal-ethanol-exposure-using-low-intensity-pulsed-ultrasound
#15
Hiva Mohammadi Bolbanabad, Enayat Anvari, Mohammad Jafar Rezai, Ardashir Moayeri, Mohammad Reza Kaffashian
BACKGROUND: The neonatal development stage of the cerebellum in rats is equivalent to a human foetus in the third trimester of pregnancy. In this stage, cell proliferation, migration, differentiation, and synaptogenesis occur. Clinical and experimental findings have shown that ethanol exposure during brain development causes a variety of disruptions to the brain, including neurogenesis depression, delayed neuronal migration, changes in neurotransmitter synthesis, and neuronal depletion...
February 7, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28179185/the-use-of-diclofenac-sodium-in-urological-practice-a-structural-and-neurochemical-based-review
#16
REVIEW
Mahmut Ulubay, Kıymet Kübra Yurt, Arife Ahsen Kaplan, Mustafa Kemal Atilla
Diclofenac sodium (DS) is a non-steroidal anti-inflammatory drug with antipyretic and analgesic effects. It is mainly found in the form of sodium salt. The mechanism of action of DS operates by way of cyclooxygenase (COX) inhibition. The physiological effect of this substance derives from a decrease in prostaglandin production. DS is a benzeneacetic acid derivative with anti-inflammatory properties. As a non-steroidal anti-inflammatory drug (NSAID), DS binds to both forms of COX (COX-1 and COX-2) and inhibits the conversion of arachidonic acid into pro-inflammatory prostaglandins by means of chelation...
February 5, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28179125/exercise-increases-leptin-levels-correlated-with-igf-1-in-hippocampus-and-prefrontal-cortex-of-adolescent-male-and-female-rats
#17
Nazan Uysal, Sinem Agilkaya, Ali Riza Sisman, Ulas Mehmet Camsari, Celal Gencoglu, Ayfer Dayi, Ilkay Aksu, Basak Baykara, Sultan Cingoz, Muge Kiray
It is known that regular aerobic exercise has positive effects on hippocampus and prefrontal cortex. We have previously have been able to demonstrate that aerobic exercise increased IGF-1 in hippocampus. Leptin, which is associated with cognitive functions, is also involved in fat metabolism and stimulates energy consumption. While it is known that leptin stimulates IGF-1 production in hepatocytes, little known is on the link between IGF-1 and leptin in brain during aerobic exercise. In this study, we investigated the effects of regular aerobic exercise on leptin, leptin receptor expression levels in hippocampus and prefrontal cortex...
February 4, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28163218/atypical-dopamine-efflux-caused-by-3-4-methylenedioxypyrovalerone-mdpv-via-the-human-dopamine-transporter
#18
Aparna Shekar, Jenny I Aguilar, Greta Galli, Nicholas V Cozzi, Simon D Brandt, Arnold E Ruoho, Michael H Baumann, Heinrich J G Matthies, Aurelio Galli
Synthetic cathinones are similar in chemical structure to amphetamines, and their behavioral effects are associated with enhanced dopaminergic signaling. The past ten years of research on the common constituent of bath salts, MDPV (the synthetic cathinone 3,4-methylenedioxypyrovalerone), has aided the understanding of how synthetic cathinones act at the dopamine (DA) transporter (DAT). Several groups have described the ability of MDPV to block the DAT with high-affinity. In this study, we demonstrate for the first time a new mode of action of MDPV, namely its ability to promote DAT-mediated DA efflux...
February 3, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28163217/neurochemical-organization-and-morphology-of-the-sleep-related-nuclei-in-the-brain-of-the-arabian-oryx-oryx-leucoryx
#19
Joshua G Davimes, Abdulaziz N Alagaili, Nigel C Bennett, Osama B Mohammed, Adhil Bhagwandin, Paul R Manger, Nadine Gravett
The Arabian oryx, Oryx leucoryx, is a member of the superorder Cetartiodactyla and is native to the Arabian Desert. The desert environment can be considered extreme in which to sleep, as the ranges of temperatures experienced are beyond what most mammals encounter. The current study describes the nuclear organization and neuronal morphology of the systems that have been implicated in sleep control in other mammals for the Arabian oryx. The nuclei delineated include those revealed immunohistochemically as belonging to the cholinergic, catecholaminergic, serotonergic and orexinergic systems within the basal forebrain, hypothalamus, midbrain and pons...
February 3, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28163215/vegf-alleviates-als-csf-induced-cytoplasmic-accumulations-of-tdp-43-and-fus-tls-in-nsc-34-cells
#20
Shubham Shantanu, K Vijayalakshmi, S Shruthi, B K Chandrasekhar Sagar, T N Sathyaprabha, A Nalini, Trichur R Raju, Phalguni Anand Alladi
Cytoplasmic mislocalisation and aggregation of TDP-43 and FUS/TLS proteins in spinal motor neurons contribute to the pathogenesis of the highly fatal disorder amyotrophic lateral sclerosis (ALS). We investigated the neuroprotective effect of VEGF on expression of these proteins in the motor neuronal cell line NSC-34 modelled to reminisce sporadic form of ALS. We studied the expression of TDP-43 and FUS/TLS proteins after exposure to ALS-CSF and following VEGF supplementation by quantitative confocal microscopy and electron microscopy...
February 2, 2017: Journal of Chemical Neuroanatomy
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