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https://www.readbyqxmd.com/read/28937245/dextran-sodium-sulphate-dss-induced-colitis-alters-the-expression-of-neurotrophins-in-smooth-muscle-cells-of-rat-colon
#1
M Al-Qudah, D A Shammala, A Al-Dwairi, O Al-Shboul, A G Mustafa
Neurotrophins are present in the gastrointestinal tract where they participate in the survival and growth of enteric neurons, augmentation of enteric circuits, elevation of colonic myoelectrical activity and also in different aspects of colitis. Previous studies largely focused on the role of neural and mucosal neurotrophins in gut inflammation. The expression of neurotrophins in colonic smooth muscle cells (SMCs) and the interactions of this potential source with colitis has not been studied in the gut. The expression of NGF, BDNF, NT-3 and TN-4 in SMCs from longitudinal and circular muscle layers of rat colon from normal and Dextran sodium sulphate (DSS)-induced colitis rats was measured by ELISA...
September 22, 2017: Physiological Research
https://www.readbyqxmd.com/read/28933212/impact-of-traumatic-brain-injury-on-dopaminergic-transmission
#2
Yuan-Hao Chen, Eagle Yi-Kung Huang, Tung-Tai Kuo, Jonathan Miller, Yung-Hsiao Chiang, Barry J Hoffer
Brain trauma is often associated with severe morbidity and is a major public health concern. Even when injury is mild and no obvious anatomic disruption is seen, many individuals suffer disabling neuropsychological impairments such as memory loss, mood dysfunction, substance abuse, and adjustment disorder. These changes may be related to subtle disruption of neural circuits as well as functional changes at the neurotransmitter level. In particular, there is considerable evidence that dopamine (DA) physiology in the nigrostriatal and mesocorticolimbic pathways might be impaired after traumatic brain injury (TBI)...
July 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28933133/the-effect-of-nerve-mobilization-exercise-in-patients-with-rheumatoid-arthritis-a-pilot-study
#3
C-N Lo, G Xia, B P Leung
Rheumatoid arthritis (RA) is an autoimmune disorder characterized by chronic inflammation of the joints. The neurogenic inflammatory mechanism plays an important role in the inflammatory process of RA, and pathological changes in neural tissues in RA have also been noted. We aim to investigate treatment of the nervous system to relieve joint pain and inflammation in RA. Nerve mobilization, a nervous system-specific therapeutic exercise, was applied on RA patients to determine the effect of nerve mobilization on joint inflammation...
September 21, 2017: Reumatismo
https://www.readbyqxmd.com/read/28923363/anti-inflammatory-effects-of-flavonoids-in-neurodegenerative-disorders
#4
Carmela Spagnuolo, Stefania Moccia, Gian Luigi Russo
Neuroinflammation is one of the main mechanisms involved in the progression of several neurodegenerative diseases, such as Parkinson, Alzheimer, multiple sclerosis, amyotrophic lateral sclerosis and others. The activation of microglia is the main feature of neuroinflammation, promoting the release of pro-inflammatory cytokines and resulting in the progressive neuronal cell death. Natural compounds, such as flavonoids, possess neuroprotective potential probably related to their ability to modulate the inflammatory responses involved in neurodegenerative diseases...
September 7, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28919555/disturbances-of-systemic-and-hippocampal-insulin-sensitivity-in-macrophage-migration-inhibitory-factor-mif-knockout-male-mice-lead-to-behavioral-changes-associated-with-decreased-psa-ncam-levels
#5
Ana Djordjevic, Biljana Bursać, Nataša Veličković, Ljupka Gligorovska, Djurdjica Ignjatović, Mirko Tomić, Gordana Matić
Macrophage migration inhibitory factor (MIF) is a multifunctional cytokine well known for its role in inflammation enhancement. However, a growing body of evidence is emerging on its role in energy metabolism in insulin sensitive tissues such as hippocampus, a brain region implicated in cognition, learning and memory. We hypothesized that genetic deletion of MIF may result in the specific behavioral changes, which may be linked tо impairments in brain or systemic insulin sensitivity by possible changes of the hippocampal synaptic plasticity...
September 19, 2017: Hormones and Behavior
https://www.readbyqxmd.com/read/28914166/repeated-iron-soot-exposure-and-nose-to-brain-transport-of-inhaled-ultrafine-particles
#6
Laurie E Hopkins, Emilia A Laing, Janice L Peake, Dale Uyeminami, Savannah M Mack, Xueting Li, Suzette Smiley-Jewell, Kent E Pinkerton
Particulate exposure has been implicated in the development of a number of neurological maladies such as multiple sclerosis, amyotrophic lateral sclerosis, Alzheimer's disease, and idiopathic Parkinson's disease. Only a few studies have focused on the olfactory pathway as a portal through which combustion-generated particles may enter the brain. The primary objective of this study was to define the deposition, uptake, and transport of inhaled ultrafine iron-soot particles in the nasal cavities of mice to determine whether combustion-generated nanoparticles reach the olfactory bulb via the olfactory epithelium and nerve fascicles...
January 1, 2017: Toxicologic Pathology
https://www.readbyqxmd.com/read/28903026/differential-expression-of-genes-in-fetal-brain-as-a-consequence-of-maternal-protein-deficiency-and-nematode-infection
#7
Manjurul Haque, Lisa M Starr, Kristine G Koski, Marilyn E Scott
Maternal dietary protein deficiency and gastrointestinal (GI) nematode infection during early pregnancy have negative impacts on both maternal placental gene expression and fetal growth in the mouse. Here we used next-generation RNA sequencing (RNA-Seq) to test our hypothesis that maternal protein deficiency and/or nematode infection also alter the expression of genes in the developing fetal brain. Outbred pregnant CD1 mice were used in a 2x2 design with two levels of dietary protein (24% versus 6%) and two levels of infection (repeated sham versus Heligmosomoides bakeri beginning at gestation day 5)...
September 10, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28902835/reversing-behavioural-abnormalities-in-mice-exposed-to-maternal-inflammation
#8
Yeong Shin Yim, Ashley Park, Janet Berrios, Mathieu Lafourcade, Leila M Pascual, Natalie Soares, Joo Yeon Kim, Sangdoo Kim, Hyunju Kim, Ari Waisman, Dan R Littman, Ian R Wickersham, Mark T Harnett, Jun R Huh, Gloria B Choi
Viral infection during pregnancy is correlated with increased frequency of neurodevelopmental disorders, and this is studied in mice prenatally subjected to maternal immune activation (MIA). We previously showed that maternal T helper 17 cells promote the development of cortical and behavioural abnormalities in MIA-affected offspring. Here we show that cortical abnormalities are preferentially localized to a region encompassing the dysgranular zone of the primary somatosensory cortex (S1DZ). Moreover, activation of pyramidal neurons in this cortical region was sufficient to induce MIA-associated behavioural phenotypes in wild-type animals, whereas reduction in neural activity rescued the behavioural abnormalities in MIA-affected offspring...
September 13, 2017: Nature
https://www.readbyqxmd.com/read/28902411/functional-changes-in-the-neural-retina-occur-in-the-absence-of-mitochondrial-dysfunction-in-a-rodent-model-of-diabetic-retinopathy
#9
Dustin R Masser, Laura Otalora, Nicholas W Clark, Michael T Kinter, Michael H Elliott, Willard M Freeman
Diabetic retinopathy is a neurovascular diabetes complication resulting in vision loss. A wealth of literature reports retinal molecular changes indicative of neural deficits, inflammation, and vascular leakage with chronic diabetes, but the mechanistic causes of disease initiation and progression are unknown. Microvascular mitochondrial DNA (mtDNA) damage leading to mitochondrial dysfunction has been proposed to drive vascular dysfunction in retinopathy. However, growing evidence suggests that neural retina dysfunction precedes and may cause vascular damage...
September 13, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28891528/2-2-benzofuranyl-2-imidazoline-2-bfi-improved-the-impairments-in-ad-rat-models-by-inhibiting-oxidative-stress-inflammation-and-apoptosis
#10
Ji-Sha Tian, Qi-Jin Zhai, Ying Zhao, Rui Chen, Lian-Dong Zhao
Alzheimer's Disease (AD) is one of the commonest neural degeneration in aging population, and has become a global health challenge. 2-(2-benzofuranyl)-2-imidazoline (2-BFI) was reported to effectively improved the damage of patients with neuropathological disorders. In the present study, we investigated the effect of 2-BFI on the improvement of antioxidative, inflammation, and apoptosis in AD rats. Sprague-Dawley rats (2 months old, n=40) were used in this study and after injection of Aβ1-42 into hippocampal CA1 (Cornu Ammonis) region, the rats were given high, moderate and low dose of 2-BFI though intraperitoneal (i...
2017: Journal of Integrative Neuroscience
https://www.readbyqxmd.com/read/28885615/necroptosis-in-microglia-contributes-to-neuroinflammation-and-retinal-degeneration-through-tlr4-activation
#11
Zijing Huang, Tian Zhou, Xiaowei Sun, Yingfeng Zheng, Bing Cheng, Mei Li, Xialin Liu, Chang He
Inflammation has emerged to be a critical mechanism responsible for neural damage and neurodegenerative diseases. Microglia, the resident innate immune cells in retina, are implicated as principal components of the immunological insult to retinal neural cells. The involvement of microglia in retinal inflammation is complex and here we propose for the first time that necroptosis in microglia triggers neuroinflammation and exacerbates retinal neural damage and degeneration. We found microglia experienced receptor-interacting protein kinase 1 (RIP1)- and RIP3-dependent necroptosis not only in the retinal degenerative rd1 mice, but also in the acute retinal neural injury mice...
September 8, 2017: Cell Death and Differentiation
https://www.readbyqxmd.com/read/28885456/tumor-necrosis-factor-alpha-secreted-from-oral-squamous-cell-carcinoma-contributes-to-cancer-pain-and-associated-inflammation
#12
Nicole N Scheff, Yi Ye, Aditi Bhattacharya, Justin MacRae, Dustin H Hickman, Atul K Sharma, John C Dolan, Brian L Schmidt
Oral cancer patients report severe pain during function. Inflammation plays a role in the oral cancer microenvironment; however, the role of immune cells and associated secretion of inflammatory mediators in oral cancer pain has not been well defined. In this study, we utilized two oral cancer mouse models: a cell line supernatant injection model and the 4-nitroquinoline-1-oxide (4NQO) chemical carcinogenesis model. We used the two models to study changes in immune cell infiltrate and orofacial nociception associated with oral squamous cell carcinoma (oSCC)...
September 1, 2017: Pain
https://www.readbyqxmd.com/read/28885302/postinfection-irritable-bowel-syndrome-the-links-between-gastroenteritis-inflammation-the-microbiome-and-functional-disease
#13
Ian A Downs, Olga C Aroniadis, Libusha Kelly, Lawrence J Brandt
Postinfection irritable bowel syndrome (PI-IBS) is a diarrheal disease that develops after infectious gastroenteritis (IGE). Profound alterations in the microbiota accompany IGE yet only 10% of IGE patients progress to PI-IBS. This review explores research linking IGE severity, psychological comorbidity, PI-IBS, and the microbiome in various patient populations. Selective pressures caused by inflammation and increased gastrointestinal motility during gastroenteritis can alter intestinal bacterial phyla including Bacteroidetes, Firmicutes, and Proteobacteria...
September 6, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28884727/-disturbance-of-oligodendrocyte-differentiation-in-schizophrenia-in-relation-to-main-hypothesis-of-the-disease
#14
N S Kolomeets
Increasing evidence coming from neuroimaging, molecular genetic and post-mortem studies have implicated oligodendrocyte abnormalities and compromised myelin integrity in schizophrenia. Activity-dependent myelination in adult brain is considered to be an important mechanism of neural circuit's plasticity due to the presence of a large population of oligodendrocyte progenitor cells (OPC) in the adult CNS. Growing evidence for impairment of oligodendrocyte differentiation has been reported in the brain of schizophrenia subjects...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/28881715/activation-of-the-nrf2-are-signaling-pathway-by-probucol-contributes-to-inhibiting-inflammation-and-neuronal-apoptosis-after-spinal-cord-injury
#15
Zipeng Zhou, Chang Liu, Shurui Chen, Haosen Zhao, Kang Zhou, Wei Wang, Yajiang Yuan, Zhuo Li, Yue Guo, Zhaoliang Shen, Xifan Mei
The nuclear erythroid 2-related factor 2 (Nrf2)/antioxidant response element (ARE) signaling pathway plays an essential role in the cellular antioxidant and anti-inflammatory responses. Spinal cord injury (SCI) results in a massive release of inflammatory factors and free radicals, which seriously compromise nerve recovery and axon regeneration. In this study, we examined the efficacy of probucol on anti-inflammatory responses and functional recovery after SCI by activating the Nrf2/ARE signaling pathway. We also investigated the mechanism by which inflammation is inhibited in this process...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28871209/hmgb1-advanced-glycation-end-products-rage-does-not-aggravate-inflammation-but-promote-endogenous-neural-stem-cells-differentiation-in-spinal-cord-injury
#16
Hongyu Wang, Xifan Mei, Yang Cao, Chang Liu, Ziming Zhao, Zhanpeng Guo, Yunlong Bi, Zhaoliang Shen, Yajiang Yuan, Yue Guo, Cangwei Song, Liangjie Bai, Yansong Wang, Deshui Yu
Receptor for advanced glycation end products (RAGE) signaling is involved in a series of cell functions after spinal cord injury (SCI). Our study aimed to elucidate the effects of RAGE signaling on the neuronal recovery after SCI. In vivo, rats were subjected to SCI with or without anti-RAGE antibodies micro-injected into the lesion epicenter. We detected Nestin/RAGE, SOX-2/RAGE and Nestin/MAP-2 after SCI by Western blot or immunofluorescence (IF). We found that neural stem cells (NSCs) co-expressed with RAGE were significantly activated after SCI, while stem cell markers Nestin and SOX-2 were reduced by RAGE blockade...
September 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28860515/activation-of-the-peripheral-immune-system-regulates-neuronal-aromatase-in-the-adult-zebra-finch-brain
#17
Alyssa L Pedersen, Cassie J Gould, Colin J Saldanha
Estradiol provision via neural aromatization decreases neuro-inflammation and -degeneration, but almost nothing is known about the interactions between the peripheral immune system and brain aromatase. Given the vulnerability of the CNS we reasoned that brain aromatization may protect circuits from the threats of peripheral infection; perhaps shielding cells that are less resilient from the degeneration associated with peripheral infection or trauma. Lipopolysaccharide (LPS) or vehicle was administered peripherally to adult zebra finches and sickness behavior was recorded 2 or 24 hours later...
August 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28855891/hypothalamic-inflammation-and-energy-balance-disruptions-spotlight-on-chemokines
#18
REVIEW
Ophélia Le Thuc, Katharina Stobbe, Céline Cansell, Jean-Louis Nahon, Nicolas Blondeau, Carole Rovère
The hypothalamus is a key brain region in the regulation of energy balance as it controls food intake and both energy storage and expenditure through integration of humoral, neural, and nutrient-related signals and cues. Many years of research have focused on the regulation of energy balance by hypothalamic neurons, but the most recent findings suggest that neurons and glial cells, such as microglia and astrocytes, in the hypothalamus actually orchestrate together several metabolic functions. Because glial cells have been described as mediators of inflammatory processes in the brain, the existence of a causal link between hypothalamic inflammation and the deregulations of feeding behavior, leading to involuntary weight loss or obesity for example, has been suggested...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28852125/irf2bp2-deficient-microglia-block-the-anxiolytic-effect-of-enhanced-postnatal-care
#19
Aswin Hari, Shelly A Cruz, Zhaohong Qin, Pascal Couture, Ragnar O Vilmundarson, Hua Huang, Alexandre F R Stewart, Hsiao-Huei Chen
Enhanced postnatal care (EPC) increases resilience to adversity in adulthood. Since microglia participate in shaping neural circuits, we asked how ablation of an inflammation-suppressing factor IRF2BP2 (Interferon Regulatory Factor 2 Binding Protein 2) in microglia would affect the responses to EPC. Mice lacking IRF2BP2 in microglia (KO) and littermate controls (WT) were subjected to EPC during the first 3 weeks after birth. EPC reduced anxiety in WT but not KO mice. This was associated with reduced inflammatory cytokine expression in the hypothalamus...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28836850/hiv-non-nucleoside-reverse-transcriptase-inhibitor-efavirenz-reduces-neural-stem-cell-proliferation-in-vitro-and-in-vivo
#20
Jingji Jin, Bethany Grimmig, James Izzo, Lecia A M Brown, Charles Hudson, Adam J Smith, Jun Tan, Paula C Bickford, Brian Giunta
The prevalence of HIV-associated neurocognitive disorders (HAND) remains high despite combination antiretroviral therapy (cART). There is evidence that neural stem cells (NSCs) can migrate to sites of brain injury such as those caused by inflammation and oxidative stress, which are pathological features of HAND. Thus, reductions in NSCs may contribute to HAND pathogenesis. Since the HIV non-nucleoside reverse transcriptase inhibitor efavirenz (EFV) has previously been associated with cognitive deficits and promotion of oxidative stress pathways, we examined its effect on NSCs in vitro as well as in C57BL/6J mice...
November 2016: Cell Transplantation
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