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Journal of Chemical Neuroanatomy

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https://www.readbyqxmd.com/read/28642128/immunomodulation-of-parkinson-s-disease-using-mucuna-pruriens-mp
#1
REVIEW
Sachchida Nand Rai, Hareram Birla, Walia Zahra, Saumitra Sen Singh, Surya Pratap Singh
Immune control is associated with nigrostriatal neuroprotection for Parkinson's disease (PD); though its direct cause and effect relationships have not yet been realized and modulating the immune system for therapeutic gain has been openly discussed. While the pathobiology of PD remains in study, neuroinflammation is thought to speed nigrostriatal degeneration. The neuroinflammatory cascade associated with PD begins with aggregation of misfolded or post-translationally modified α-synuclein (α-syn). Such aggregation results in neuronal cell death and the presence of chronically activated glia (microglia and astroglia), leading to the production of proinflammatory cytokines like tumor necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), IL-6, and enzymes such as nicotinamide adenine dinucleotide phosphate (NADPH) oxidase and cyclooxygenase-2 (COX-2)...
June 19, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28629631/probenecid-treatment-reduces-demyelination-induced-by-cuprizone-feeding
#2
Nadine Hainz, Philipp Becker, Daniel Rapp, Stefan Wagenpfeil, Bodo Wonnenberg, Christoph Beisswenger, Thomas Tschernig, Carola Meier
Recent experiments showed that a pannexin-1 inhibitor, probenecid, reduced clinical symptoms in the murine experimental autoimmune encephalomyelitis when applied during the initial phase of neuronal inflammation. An inflammatory component is also present in a toxically induced inflammation and demyelination using cuprizone diet. Probenecid is a pannexin-1 antagonist and a probenecid therapy was investigated. Mice were fed for 10days with a cuprizone diet. In the following, the diet was continued but combined with a daily injection of a low dose of probenecid or solvent for 10days...
June 16, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28625856/nitroglycerin-increases-serotonin-transporter-expression-in-rat-spinal-cord-but-anandamide-modulated-this-effect
#3
Gábor Nagy-Grócz, Zsuzsanna Bohár, Annamária Fejes-Szabó, Klaudia Flóra Laborc, Eleonóra Spekker, Lilla Tar, László Vécsei, Árpád Párdutz
Migraine is one of the most prevalent neurological diseases, which affects 16% of the total population. The exact pathomechanism of this disorder is still not well understood, but it seems that serotonin and its transporter have a crucial role in the pathogenesis. One of the animal models of migraine is the systemic administration of nitroglycerin (NTG), a nitric oxide (NO) donor. NO can initiate a central sensitization process in the trigeminal system, which is also present in migraineurs. Recent studies showed that the endocannabinoid system has a modulatory role on the trigeminal activation and sensitization...
June 15, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28619473/cocaine-adulteration
#4
REVIEW
Oliver Kudlacek, Tina Hofmaier, Anton Luf, Felix P Mayer, Thomas Stockner, Constanze Nagy, Marion Holy, Michael Freissmuth, Rainer Schmid, Harald H Sitte
Cocaine is a naturally occurring and illicitly used psychostimulant drug, which exerts its activity at monoaminergic neurotransmitter transporters. These transporters mediate the reuptake of the monoamines dopamine, serotonin and norepinephrine and are blocked by cocaine. The increase of monoamines in the extracellular space is the phenomenon underlying the drug effects that cocaine users seek. Currently, it is one of the most important illicit drugs on the European market. However, this increase in monoamines is also the underlying cause for the development of addiction and a number of severe side effects...
June 12, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28576559/the-neuroprotective-effect-of-melatonin-on-the-hippocampus-exposed-to-diclofenac-sodium-during-the-prenatal-period
#5
Kıymet Kübra Yurt, Süleyman Kaplan, Elfide Gizem Kıvrak
Melatonin (Mel) has strong antioxidant properties since it is a direct scavenger of oxygen-based free radicals and related species. The main aim of this study is to show whether the effects of Mel can prevent the potential adverse effects of diclofenac sodium (DS), used as a non-steroidal anti-inflammatory drug (NSAID) during the prenatal period, on the newborn experimental rat brain tissues using stereological methods Twenty-four male 12-week old Wistar albino rats were used. The study involved four groups (each containing six rats), those exposed, during the prenatal period, to saline 1ml/kg (Saline group), to diclofenac sodium 3...
May 30, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28571709/phospho-specific-antibodies-targeting-the-amino-terminus-of-the-human-dopamine-transporter
#6
Caline S Karam, Namita Sen, Jonathan A Javitch
The dopamine transporter (DAT), which mediates the inactivation of released dopamine through its reuptake, is the primary molecular target for the actions of psychostimulants. An increasing number of studies support an essential role for phosphorylation of serines (Ser) in the distal amino (N) terminus of DAT in regulating its function. Still, the molecular details of the regulation of phosphorylation and its impact on function are not fully understood. To address this, we have developed and characterized two distinct phospho-antibodies that recognize human DAT when it is phosphorylated at Ser7 or Ser12...
May 30, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28546123/distribution-of-tyrosine-hydroxylase-immunoreactive-neurons-in-the-brain-of-the-viviparous-fish-gambusia-affinis
#7
Shilpa K Bhat, C B Ganesh
Tyrosine hydroxylase (TH) is the common precursor enzyme involved in the biosynthetic pathway of the catecholaminergic neurotransmitters, dopamine and norepinephrine. In this investigation, the neuroanatomical distribution of TH-immunoreactivity was studied in the brain of the female mosquitofish Gambusia affinis. Numerous intensely stained TH-immunoreactive (ir) neurons were scattered in the olfactory bulb with their fibres extending towards the medial olfactory tract, whereas few telencephalic TH-ir cells with distinct fibres were observed in the dorsal nucleus of area ventralis telencephali and the posterior nucleus of area ventralis telencephali regions...
May 22, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28495518/prenatal-exposure-to-low-dose-diclofenac-sodium-does-not-affect-total-neuron-numbers-in-spinal-segment-t13-in-rats
#8
Murat Çetin Ragbetli, Mikail Kara, Neşe Çölçimen, Necat Koyun, Gamze Çakmak, Veysel Akyol, Omur Gulsum Deniz, Kıymet Kübra Yurt
The main purpose of the present study was to investigate the effects of diclofenac sodium (DS) on the total number of neurons in segment T13 of the spinal cord of offspring of pregnant rats using stereological methods. Eighteen adult female Wistar albino rats weighing 150-200g were used. Pregnant female rats were divided into three groups; a control group, a sham group and a DS (1mg/kg, intramuscular) exposed group. The DS and sham groups received injection from the 5(th) day of gestation to the 19(th). 28 days after birth, the offspring rats were perfused with 4% buffered formalin...
May 8, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28495517/berberine-confers-neuroprotection-in-coping-with-focal-cerebral-ischemia-by-targeting-inflammatory-cytokines
#9
Solmaz Nasseri Maleki, Nahid Aboutaleb, Faramarz Souri
SCOPE: Existing research indicates that anti-inflammatory and antioxidant properties of berberine play major roles in coping with oxidative stress in neurodegenerative diseases, but it is not known if this isoquinoline alkaloid affects inflammatory cytokines such as interleukin 10 in focal cerebral ischemia. METHODS AND RESULTS: Male Wistar rats (10 weeks old) were treated with 40mg/kg concentration of berberine 1h after focal cerebral ischemia and the anti-inflammatory properties of berberine were evaluated by immunohistochemical analysis, water content measure and behavioral tests...
May 8, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28476689/pax6-interacts-with-iba1-and-shows-age-associated-alterations-in-brain-of-aging-mice
#10
Shashank Kumar Maurya, Rajnikant Mishra
The Pax6, a transcriptional regulator and multifunctional protein, has been found critical for neurogenesis, neuro-degeneration, mental retardation, neuroendocrine tumors, glioblastoma and astrocytomas. The age-associated alteration in the expression of Pax6 in neuron and glia has also been observed in the immunologically privileged brain. Therefore, it is presumed that Pax6 may modulate brain immunity by activation of microglia either directly interacting with genes or proteins of microglia or indirectly though inflammation associated with neurodegeneration...
May 3, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28455213/localization-of-zinc-transporters-in-the-spinal-cord-of-cynomolgus-monkey
#11
Ni Zong, Shi-Xin Ma, Zhan-You Wang
Zinc is abundant in the spinal cord, where it participates in several physiological and pathophysiological processes, including neurotransmission, spinal cord injury, and amyotrophic lateral sclerosis. However, the mechanisms underlying zinc homeostasis in the spinal cord are largely unknown. Zinc transporters (ZnTs) are responsible for transporting zinc from the cytoplasm to the extracellular space or to intracellular compartments. In the present study, we examined the distribution of ZnT1-10 proteins in the spinal cord of cynomolgus monkey...
April 25, 2017: Journal of Chemical Neuroanatomy
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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/28558919/corrigendum-to-electric-injury-induced-purkinje-cell-apoptosis-in-rat-cerebellum-histological-and-immunohistochemical-stud-j-chem-neuroanat-81-2017-87-96
#18
Samah Kandeel, Naema Mahmoud Elhosary, Mona Mohamed Abo El-Noor, Mohamed Balaha
No abstract text is available yet for this article.
July 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28163216/possible-promoting-effects-of-melatonin-leptin-and-alcar-on-regeneration-of-the-sciatic-nerve
#19
Mehmet Emin Onger, Suleyman Kaplan, Ömür Gülsüm Deniz, Gamze Altun, Berrin Zuhal Altunkaynak, Kemal Balcı, Stefania Raimondo, Stefano Geuna
Peripheral nerve injury is a widespread and disabling condition that can impair the individual's daily life. Studies involving medications that may positively affect peripheral nerve regeneration are rare. The aim of this study was to investigate new treatments after peripheral nerve injury using various neuroprotectants, melatonin, alcar and leptin, in the regenerative process in an experimental rat model. Wistar albino rats were randomly divided into eight groups containing equal number of animals. Intraperitoneal injection of melatonin (50mg/kg, for 21days), leptin (1mg/kg, for 21days) and acetyl-l-carnitine (50mg/kg, for six weeks) was performed postoperatively...
April 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28341180/morphological-and-morphometrical-maturation-of-ventral-cochlear-nucleus-in-human-foetus
#20
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
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