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Journal of Chemical Neuroanatomy

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https://www.readbyqxmd.com/read/28728966/advances-and-perspectives-in-tissue-clearing-using-clarity
#1
REVIEW
Kristian H Reveles Jensen, Rune W Berg
CLARITY is a tissue clearing method, which enables immunostaining and imaging of large volumes for 3D-reconstruction. The method was initially time-consuming, expensive and relied on electrophoresis to remove lipids to make the tissue transparent. Since then several improvements and simplifications have emerged, such as passive clearing (PACT) and methods to improve tissue staining. Here, we review advances and compare current applications with the aim of highlighting needed improvements as well as aiding selection of the specific protocol for use in future investigations...
July 17, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28720408/comparative-investigation-of-neuronal-nitric-oxide-synthase-immunoreactivity-in-rat-and-human-claustrum
#2
Boycho Landzhov, Dimka Hinova-Palova, Lawrence Edelstein, Elena Dzhambazova, Ilina Brainova, Georgi P Georgiev, Vesela Ivanova, Adrian Paloff, Wladimir Ovtscharoff
We compared the distribution, density and morphological characteristics of nitric oxide synthase-immunoreactive (NOS-ir) neurons in the rat and human claustrum. These neurons were categorized by diameter into three main types: large, medium and small. In the human claustrum, large neurons ranged from 26 to 40μm in diameter, medium neurons from 20 to 25μm and small neurons from 13 to 19μm. In the rat claustrum, large neurons ranged from 19 to 23μm in diameter, medium neurons from 15 to 18μm and small neurons from 10 to 14μm...
July 15, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28720407/mechanical-properties-of-the-human-spinal-cord-under-the-compressive-loading
#3
Alireza Karimi, Ahmad Shojaei, Pedram Tehrani
The spinal cord as the most complex and critical part of the human body is responsible for the transmission of both motor and sensory impulses between the body and the brain. Due to its pivotal role any types of physical injury in that disrupts its function following by shortfalls, including the minor motor and sensory malfunctions as well as complicate quadriplegia and lifelong ventilator dependency. In order to shed light on the injuries to the spinal cord, the application of the computational models to simulate the trauma impact loading to that are deemed required...
July 15, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28712785/development-of-the-cerebellum-in-turbot-psetta-maxima-analysis-of-cell-proliferation-and-distribution-of-calcium-binding-proteins
#4
Encarnación De Miguel, Rosa Álvarez-Otero
The morphogenesis, cell proliferation and neuronal differentiation of the turbot (Psetta maxima) cerebellum has been studied using conventional histological techniques and immunohistochemical methods for proliferating cell nuclear antigen and calcium binding proteins. As in other vertebrates, the cerebellar anlage emerges as proliferative plates of neural tissue during the embryonic period. The anlage of the cerebellum persists without morphological changes until the end of the larval life when the mantle zone is differentiated...
July 13, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28711564/role-of-estrogen-and-levodopa-in-1-methyl-4-pheny-l-1-2-3-6-tetrahydropyridine-mptp-induced-cognitive-deficit-in-parkinsonian-ovariectomized-mice-model-a-comparative-study
#5
Satyndra Kumar Yadav, Shivani Pandey, Babita Singh
Parkinson's disease (PD) is one of the most common neurodegenerative disease found in the aging population. Currently, many studies are being conducted to find a suitable and effective cure for PD, with an emphasis on the use of herbal plants. In this study, the neuroprotective effects of estrogen was evaluated in the 1-methyl-4-phe-nyl-1,2,3,6-tetrahydropyridine (MPTP) model of PD with cognitive deficit and compared to Levodopa (LD), a well reported neuroprotective agent used for treating PD. Twenty-four Swiss albino mice were randomly divided into four groups: Control, MPTP, MPTP+LD and MPTP+estrogen...
July 12, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28669880/role-of-vitamin-d-in-amyloid-clearance-via-lrp-1-upregulation-in-alzheimer-s-disease-a-potential-therapeutic-target
#6
REVIEW
Parmi Patel, Jigna Shah
Amyloid beta (Aβ) deposition is considered to be one of the primary reason to trigger Alzheimer's disease (AD). Literature clearly suggests decline in Aβ clearance to be accountable for progression of late onset AD as compared to augmented Aβ production. There may be several pathways for Aβ clearance out of which one of the major pathway is the vascular-mediated removal of Aβ from the brain across the blood-brain barrier (BBB) via efflux pumps or receptors. Among Aβ scavenger receptors, low density lipoprotein receptor related protein (LRP-1) has been most extensively studied...
June 30, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28668578/computer-assisted-three-dimensional-tracking-of-sensory-innervation-in-the-murine-bladder-mucosa-with-two-photon-microscopy
#7
Anna Schueth, Bart Spronck, Marc A M J van Zandvoort, Gommert A van Koeveringe
A strong association between functional bladder disorders and bladder sensation is well-known, with a relationship between malfunctioning detrusor muscle and abnormal sensation arising from the sub-urothelium and the lamina propria (LP), has been suggested. However, the exact underlying pathophysiology of these bladder disorders is not completely understood. Therefore, it is important to gain knowledge on sensory innervation of the urinary bladder in order to understand the neural network function in healthy and diseased bladder...
June 28, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28648968/comparison-of-unbiased-stereological-estimation-of-total-number-of-cresyl-violet-stained-neurons-and-parvalbumin-positive-neurons-in-the-adult-human-spiral-ganglion
#8
C Kaur, I Pal, S Saini, T G Jacob, T C Nag, A Thakar, D N Bhardwaj, T S Roy
Estimation of total number of neurons in the Spiral Ganglion (SG) at various ages and their functional status is important as these neurons are constantly exposed to noise and other environmental factors that may lead to neuronal loss with aging due to excitotoxic damage. Parvalbumin (PV) is a calcium-binding protein (CBP), found in highly metabolically active neurons. It helps in buffering cytosolic calcium, which is essential for neurotransmitter release. The neurons in the adult human SG express PV more strongly than other CBPs like calbindin and calretinin...
June 22, 2017: Journal of Chemical Neuroanatomy
https://www.readbyqxmd.com/read/28642128/immunomodulation-of-parkinson-s-disease-using-mucuna-pruriens-mp
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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/28558919/corrigendum-to-electric-injury-induced-purkinje-cell-apoptosis-in-rat-cerebellum-histological-and-immunohistochemical-stud-j-chem-neuroanat-81-2017-87-96
#19
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/28455213/localization-of-zinc-transporters-in-the-spinal-cord-of-cynomolgus-monkey
#20
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
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