Browse Items · NEOMED Bibliography Database

Dataset of effect of Wogonin, a natural flavonoid, on the viability and activation of NF-kappaB and MAPKs in IL-1beta-stimulated human OA chondrocytes.

This article contains data related to the article "Wogonin, a plant derived small molecule exerts potent anti-inflammatory and chondroprotective effects through activation of ROS/ERK/Nrf2 signaling pathways in human Osteoarthritis chondrocytes" (Khan…

Tags: 2017, Ansari Mohammad Y, Data in brief, Department of Anatomy & Neurobiology, Devarapalli Pratap, Haqqi Tariq M, Haseeb Abdul, Haynie Sara, Khan Nazir M, MAPK, Mass-spectrometry, NEOMED College of Medicine, NF-kappaB, Nrf2, Osteoarthritis, Wogonin

Wogonin, a plant derived small molecule, exerts potent anti-inflammatory and chondroprotective effects through the activation of ROS/ERK/Nrf2 signaling pathways in human Osteoarthritis chondrocytes.

Osteoarthritis (OA), characterized by progressive destruction of articular cartilage, is the most common form of human arthritis. Here, we evaluated the potential chondroprotective and anti-inflammatory effects of Wogonin, a naturally occurring…

Tags: *ERK1/2, *Nrf2, *OSTEOARTHRITIS, *Redox, *Wogonin, 2017, Ansari Mohammad Y, Anti-Inflammatory Agents/administration & dosage, Chondrocytes/drug effects/pathology, Department of Anatomy & Neurobiology, Devarapalli Pratap, Flavanones/*administration & dosage, Free radical biology & medicine, Gene Expression Regulation/drug effects, Haqqi Tariq M, Haseeb Abdul, Haynie Sara, Humans, Inflammation/*drug therapy/metabolism/pathology, Kelch-Like ECH-Associated Protein 1/chemistry/*genetics/metabolism, Khan Nazir M, MAP Kinase Signaling System/drug effects, Molecular Docking Simulation, NEOMED College of Medicine, NF-E2-Related Factor 2/antagonists & inhibitors/chemistry/*genetics/metabolism, Osteoarthritis/*drug therapy/metabolism/pathology, Protein Binding, Reactive Oxygen Species/metabolism, Signal Transduction/drug effects

Nrf2/ARE pathway attenuates oxidative and apoptotic response in human osteoarthritis chondrocytes by activating ERK1/2/ELK1-P70S6K-P90RSK signaling axis.

Nrf2, a redox regulated transcription factor, has recently been shown to play a role in cartilage integrity but the mechanism remains largely unknown. Osteoarthritis (OA) is a multifactorial disease in which focal degradation of cartilage occurs.…

Tags: *Apoptosis, *ERK1/2, *Nrf2, *OSTEOARTHRITIS, *Redox, 2018, Ahmad Imran, Department of Anatomy & Neurobiology, Free radical biology & medicine, Haqqi Tariq M, Khan Nazir M, NEOMED College of Medicine

Pathways from auditory cortex to the cochlear nucleus in guinea pigs.

The inferior colliculus (IC) and superior olivary complex (SOC) are important sources of descending pathways to the cochlear nucleus. The IC and SOC are also targets of direct projections from the auditory cortex but it is not known if cortical axons…

Projections from auditory cortex contact ascending pathways that originate in the superior olive and inferior colliculus.

The superior olivary complex (SOC) and inferior colliculus (IC) are targets of cortical projections as well as sources of major ascending auditory pathways. This study examines whether the cortical projections contact cells in the SOC or IC that…

Tags: 2007, Animals, Auditory Cortex/*cytology, Auditory Pathways/*cytology, Department of Anatomy & Neurobiology, Fluorescence, Guinea Pigs, Hearing research, Inferior Colliculi/*cytology, Microscopy, NEOMED College of Medicine, Olivary Nucleus/*cytology, Peterson Diana Coomes, Schofield Brett R, Staining and Labeling/methods

Cholinergic cells of the pontomesencephalic tegmentum: connections with auditory structures from cochlear nucleus to cortex.

Acetylcholine (ACh) is a neuromodulator that is likely to play a role in plasticity as well as other phenomena at many sites in the auditory system. The auditory cortex receives cholinergic innervation from the basal forebrain, whereas the cochlea…

Auditory cortical axons contact commissural cells throughout the guinea pig inferior colliculus.

Projections from auditory cortex (AC) affect how cells in both inferior colliculi (IC) respond to acoustic stimuli. The large projection from the AC to the ipsilateral IC is usually credited with the effects in the ipsilateral IC. The circuitry…

Tags: 2013, AC, Animals, auditory cortex, Auditory Cortex/*physiology, Auditory Pathways/cytology, Axons/metabolism/*pathology, Brain Mapping, cortical layers, Department of Anatomy & Neurobiology, Fast Blue, FB, FD, Female, FG, Fluor0Ruby, fluorescein dextran, Fluorescence, FluoroGold, FR, G-, G+, GAD, GAD-immunonegative, GAD-immunopositive, GAD-neg, gamma-Aminobutyric Acid/metabolism, GB, Glutamate Decarboxylase/metabolism, glutamic acid decarboxylase, green RetroBeads, Guinea Pigs, Hearing research, I-VI, IC, IC central nucleus, IC dorsal cortex, IC lateral cortex, IC rostral cortex, ICc, ICd, IClc, ICrc, Inferior Colliculi/pathology/*physiology, inferior colliculus, Male, Mesencephalon/pathology, Microscopy, Nakamoto Kyle T, NEOMED College of Medicine, ps, pseudosylvian sulcus, rhinal sulcus, rs, Schofield Brett R, Sowick Colleen S, white matter, wm

Canertinib induces ototoxicity in three preclinical models.

Neuregulin-1 (NRG1) ligand and its epidermal growth factor receptor (EGFR)/ERBB family regulate normal cellular proliferation and differentiation in many tissues including the cochlea. Aberrant NRG1 and ERBB signaling cause significant hearing…

Prepulse inhibition of the acoustic startle reflex vs. auditory brainstem response for hearing assessment.

The high prevalence of noise-induced and age-related hearing loss in the general population has warranted the use of animal models to study the etiology of these pathologies. Quick and accurate auditory threshold determination is a prerequisite for…

Noise-induced cochlear synaptopathy: Past findings and future studies.

For decades, we have presumed the death of hair cells and spiral ganglion neurons are the main cause of hearing loss and difficulties understanding speech in noise, but new findings suggest synapse loss may be the key contributor. Specifically,…

Metabotropic glutamate and GABA receptors modulate cellular excitability and glutamatergic transmission in chicken cochlear nucleus angularis neurons.

Neurons in the avian cochlear nucleus angularis (NA) receive glutamatergic input from the auditory nerve, and GABAergic input from the superior olivary nucleus. Physiologically heterogeneous, NA neurons perform multiple functions including encoding…

Addressing variability in the acoustic startle reflex for accurate gap detection assessment.

The acoustic startle reflex (ASR) is subject to substantial variability. This inherent variability consequently shapes the conclusions drawn from gap-induced prepulse inhibition of the acoustic startle reflex (GPIAS) assessments. Recent studies have…

Tags: 2018, Acoustic startle response magnitude, Circadian Rhythm, Department of Anatomy & Neurobiology, Galazyuk Alexander V, Gap-induced prepulse inhibition of the acoustic startle reflex, Hearing research, Kristaponyte Inga, Longenecker Ryan J, Nelson Gregg L, NEOMED College of Medicine, Prepulse facilitation, Tinnitus, Young Jesse W

Detection of single mRNAs in individual cells of the auditory system.

Gene expression analysis is essential for understanding the rich repertoire of cellular functions. With the development of sensitive molecular tools such as single-cell RNA sequencing, extensive gene expression data can be obtained and analyzed from…

Subtypes of GABAergic cells in the inferior colliculus.

The inferior colliculus occupies a central position in ascending and descending auditory pathways. A substantial proportion of its neurons are GABAergic, and these neurons contribute to intracollicular circuits as well as to extrinsic projections to…

Tags: 2018, Auditory system, Beebe Nichole L, Cell type, Department of Anatomy & Neurobiology, GABA, Hearing research, inhibition, NEOMED College of Medicine, perineuronal net, Schofield Brett R

Ontogeny of limb force distribution in squirrel monkeys (Saimiri boliviensis): insights into the mechanical bases of primate hind limb dominance.

The distribution of peak vertical forces between the forelimbs and the hind limbs is one of the key traits distinguishing primate quadrupedal locomotion from that of other mammals. Whereas most mammals generate greater peak vertical forelimb forces,…

Tags: *locomotion, 2012, Age Factors, Animals, Biological, Biomechanical Phenomena, Department of Anatomy & Neurobiology, Female, Journal of human evolution, Leg/anatomy & histology/*growth & development/*physiology, Models, NEOMED College of Medicine, Saimiri/anatomy & histology/*growth & development/*physiology, Videotape Recording, Weight-Bearing, Young Jesse W

Body size and the small branch niche: using marsupial ontogeny to model primate locomotor evolution.

Recently proposed ancestral locomotor and morphological 'stages' leading to the evolution of primates have emphasized small body size, and a transition from a clawed non-grasping stage, to a clawed, grasping stage with clawless opposable hallux, to a…

Glycoprotein Nonmelanoma Clone B Regulates the Crosstalk between Macrophages and Mesenchymal Stem Cells toward Wound Repair.

The process of wound repair requires the coordinated participation of multiple types of cells, which are sequentially recruited during the healing process. In response to tissue injury, both macrophages and mesenchymal stem cells (MSCs) are recruited…

Tags: 2018, Alboslemy Talib, Department of Anatomy & Neurobiology, Kim Min-Ho, NEOMED College of Medicine, Safadi Fayez, The Journal of investigative dermatology, Yu Bing

An improved approach to separating startle data from noise.

BACKGROUND: The acoustic startle reflex (ASR) is a rapid, involuntary movement to sound, found in many species. The ASR can be modulated by external stimuli and internal state, making it a useful tool in many disciplines. ASR data collection and…

An operant-based detection method for inferring tinnitus in mice.

BACKGROUND: Subjective tinnitus is a hearing disorder in which a person perceives sound when no external sound is present. It can be acute or chronic. Because our current understanding of its pathology is incomplete, no effective cures have yet been…

Parkin clearance of dysfunctional mitochondria regulates ROS levels and increases survival of human chondrocytes.

OBJECTIVE: Mitochondrial dysfunction, oxidative stress and chondrocyte death are important contributors to the development and pathogenesis of osteoarthritis (OA). In this study, we determined the expression and role of Parkin in the clearance of…

Tags: 2018, Ahmad I, Ansari M Y, Chondrocytes, Department of Anatomy & Neurobiology, Haqqi T M, Khan N M, Mitochondrial dysfunction, NEOMED College of Medicine, Osteoarthritis, Osteoarthritis and cartilage, Parkin, ROS

Role of inflammation in the aging bones.

Chronic inflammation in aging is characterized by increased inflammatory cytokines, bone loss, decreased adaptation, and defective tissue repair in response to injury. Aging leads to inherent changes in mesenchymal stem cell (MSC) differentiation,…

Neural processing of target distance by echolocating bats: functional roles of the auditory midbrain.

Using their biological sonar, bats estimate distance to avoid obstacles and capture moving prey. The primary distance cue is the delay between the bat's emitted echolocation pulse and the return of an echo. The mustached bat's auditory midbrain…

Tags: 2011, Animals, Auditory Cortex/physiology, Auditory Pathways/*physiology, Auditory Perception/*physiology, Brain Mapping/psychology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Echolocation/*physiology, Inferior Colliculi/*physiology, Models, NEOMED College of Medicine, Neurological, Neurons/physiology, Neuroscience and biobehavioral reviews, Portfors Christine V, Wenstrup Jeffrey J

mGluRs modulate neuronal firing in the auditory midbrain.

The mechanisms underlying sound-evoked suppression of neuronal firing in the auditory system are poorly understood. To explore these mechanisms in the inferior colliculus (IC), agonists and antagonists targeting different groups of metabotropic…

Synaptic activity-induced Ca(2+) signaling in avian cochlear nucleus magnocellularis neurons.

Neurons of the avian cochlear nucleus magnocellularis (NM) receive glutamatergic inputs from the spiral ganglion cells via the auditory nerve and feedback GABAergic inputs primarily from the superior olivary nucleus. We investigated regulation of…

Evidence of Wnt/beta-catenin alterations in brain and bone of a tauopathy mouse model of Alzheimer's disease.

Low bone mineral density (BMD) is a significant comorbidity in Alzheimer's disease (AD) and may reflect systemic regulatory pathway dysfunction. Low BMD has been identified in several AD mouse models selective for amyloid-beta or tau pathology, but…

A three-dimensional digital neurological atlas of the mustached bat (Pteronotus parnellii).

Substantial knowledge of auditory processing within mammalian nervous systems emerged from neurophysiological studies of the mustached bat (Pteronotus parnellii). This highly social and vocal species retrieves precise information about the velocity…

On the use of retrograde tracers for identification of axon collaterals with multiple fluorescent retrograde tracers.

A common method for identifying collateral projections is to inject different retrograde tracers into two targets and examine labeled cells for the presence of both tracers. Double-labeled cells are considered to have collateral projections to the…

Distribution of cholinergic cells in guinea pig brainstem.

We used an antibody to choline acetyltransferase (ChAT) to label cholinergic cells in guinea pig brainstem. ChAT-immunoreactive (IR) cells comprise several prominent groups, including the pedunculopontine tegmental nucleus, laterodorsal tegmental…

Tags: 2008, Animals, Brain Mapping, Brain Stem/anatomy & histology/*cytology, Choline O-Acetyltransferase/*metabolism, Department of Anatomy & Neurobiology, Guinea Pigs, Motts S D, NEOMED College of Medicine, Neurons/*metabolism, Neuroscience, Schofield B R, Slusarczyk A S, Sowick C S

Early development of intrinsic and synaptic properties of chicken nucleus laminaris neurons.

Onset of auditory brainstem responses in chickens takes place at about embryonic day 11/12 (E11/12). We investigated early development of neuronal properties of chicken nucleus laminaris neurons, the third-order auditory neurons critically involved…

Timing of sound-evoked potentials and spike responses in the inferior colliculus of awake bats.

Neurons in the inferior colliculus (IC), one of the major integrative centers of the auditory system, process acoustic information converging from almost all nuclei of the auditory brain stem. During this integration, excitatory and inhibitory inputs…

Projections to the inferior colliculus from layer VI cells of auditory cortex.

A large injection of a retrograde tracer into the inferior colliculus of guinea pigs labeled two bands of cells in the ipsilateral auditory cortex: a dense band of cells in layer V and a second band of cells in layer VI. On the contralateral side,…

Tags: 2009, Amidines/metabolism, Animals, Auditory Cortex/*cytology/*physiology, Cholera Toxin/metabolism, Department of Anatomy & Neurobiology, Efferent Pathways/physiology, Fluorescent Dyes/metabolism, Functional Laterality, Guinea Pigs, Inferior Colliculi/*physiology, NADPH Dehydrogenase/metabolism, NEOMED College of Medicine, Neurons/classification/*physiology, Neuroscience, Nitric Oxide Synthase Type I/metabolism, Schofield B R

Sources of cholinergic input to the inferior colliculus.

We combined retrograde tracing with immunohistochemistry for choline acetyltransferase to identify the source of cholinergic input to the inferior colliculus (IC) in guinea pigs. Injection of a retrograde tracer into one IC labeled cells in many…

Tags: 2009, Acetylcholine/*metabolism, Animals, Choline O-Acetyltransferase/metabolism, Department of Anatomy & Neurobiology, Female, Guinea Pigs, Immunohistochemistry, Inferior Colliculi/*anatomy & histology, Male, Motts S D, NEOMED College of Medicine, Neural Pathways/anatomy & histology/metabolism, Neuroscience, Pedunculopontine Tegmental Nucleus/anatomy & histology/metabolism, Photomicrography, Schofield B R, Tegmentum Mesencephali/*anatomy & histology/*metabolism

Regulation of glutamatergic and GABAergic neurotransmission in the chick nucleus laminaris: role of N-type calcium channels.

Neurons in the chicken nucleus laminaris (NL), the third order auditory nucleus involved in azimuth sound localization, receive bilaterally segregated (ipsilateral vs contralateral) glutamatergic excitation from the cochlear nucleus magnocellularis…

Projections from auditory cortex to midbrain cholinergic neurons that project to the inferior colliculus.

We have shown that auditory cortex projects to cholinergic cells in the pedunculopontine tegmental nucleus (PPT) and laterodorsal tegmental nucleus (LDT). PPT and LDT are the sources of cholinergic projections to the inferior colliculus, but it is…

Substrates of auditory frequency integration in a nucleus of the lateral lemniscus.

In the intermediate nucleus of the lateral lemniscus (INLL), some neurons display a form of spectral integration in which excitatory responses to sounds at their best frequency are inhibited by sounds within a frequency band at least one octave…

Tags: 2010, Acoustic Stimulation, Action Potentials, Animals, Auditory Pathways/*physiology, Brain Stem/anatomy & histology/*physiology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Glycine/physiology, NEOMED College of Medicine, Neuroscience, Schofield B R, Wenstrup J J, Yavuzoglu A

Cholinergic cells in the tegmentum send branching projections to the inferior colliculus and the medial geniculate body.

The pontomesencephalic tegmentum (PMT) provides cholinergic input to the inferior colliculus (IC) and the medial geniculate body (MG). PMT cells are often characterized as projecting to more than one target. The purpose of this study was to determine…

Tags: 2011, Acetylcholine/metabolism, Animals, Auditory Pathways/*cytology, Department of Anatomy & Neurobiology, Female, Geniculate Bodies/*cytology, Guinea Pigs, Immunohistochemistry, Inferior Colliculi/*cytology, Male, Motts S D, NEOMED College of Medicine, Neurons/*cytology/metabolism, Neuroscience, Schofield B R, Tegmentum Mesencephali/*cytology

Multiple origins of cholinergic innervation of the cochlear nucleus.

Acetylcholine (Ach) affects a variety of cell types in the cochlear nucleus (CN) and is likely to play a role in numerous functions. Previous work in rats suggested that the acetylcholine arises from cells in the superior olivary complex, including…

Tags: *Cholinergic Fibers, 2011, Acetylcholine/metabolism, Animals, Auditory Pathways/*cytology/metabolism, Cochlear Nucleus/*anatomy & histology/metabolism, Department of Anatomy & Neurobiology, Guinea Pigs, Immunohistochemistry, Mellott J G, Motts S D, NEOMED College of Medicine, Neuroscience, Schofield B R

Selectivity and persistent firing responses to social vocalizations in the basolateral amygdala.

This study examined responsiveness to acoustic stimuli among neurons of the basolateral amygdala. While recording from single neurons in awake mustached bats (Pteronotus parnellii), we presented a wide range of acoustic stimuli including tonal,…

Tags: 2012, Acoustic Stimulation, Action Potentials/*physiology, Amygdala/*physiology, Animal/*physiology, Animals, Auditory/physiology, Chiroptera/*physiology, College of Anatomy & Neurobiology, Department of Anatomy & Neurobiology, Echolocation/physiology, Evoked Potentials, NEOMED College of Medicine, Neurons/*physiology, Neuroscience, Peterson D C, Vocalization, Wenstrup J J

Analysis of excitatory synapses in the guinea pig inferior colliculus: a study using electron microscopy and GABA immunocytochemistry.

The inferior colliculus (IC) integrates ascending auditory input from the lower brainstem and descending input from the auditory cortex. Understanding how IC cells integrate these inputs requires identification of their synaptic arrangements. We…

Metabotropic glutamate receptors in auditory processing.

As the major excitatory neurotransmitter used in the vertebrate brain, glutamate activates ionotropic and metabotropic glutamate receptors (mGluRs), which mediate fast and slow neuronal actions, respectively. Important modulatory roles of mGluRs have…

Tags: 2014, Animals, Auditory Pathways/anatomy & histology/physiology, Auditory Perception/*physiology, auditory processing, Department of Anatomy & Neurobiology, excitotoxicity, Humans, Lu Y, Metabotropic Glutamate/*metabolism, mGluR, NEOMED College of Medicine, neuromodulation, Neuroscience, neurotransmission, Receptors, synaptic plasticity

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