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inflammation and BOLD

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https://www.readbyqxmd.com/read/30243957/altered-temporal-variance-and-functional-connectivity-of-bold-signal-is-associated-with-state-anxiety-during-acute-systemic-inflammation
#1
Franziska Labrenz, Francesca Ferri, Karsten Wrede, Michael Forsting, Manfred Schedlowski, Harald Engler, Sigrid Elsenbruch, Sven Benson, Marcello Costantini
Systemic inflammation is accompanied by complex behavioral changes and disturbed emotion regulation that have been related to the pathophysiology of mood disorders including depression and anxiety. However, the causal role of systemic inflammation on mood disorders is still unclear. We herein investigated neural resting state patterns of temporal variance of the amygdala and functional connectivity within the salience network underlying changes in state anxiety during experimentally-induced systemic inflammation...
September 21, 2018: NeuroImage
https://www.readbyqxmd.com/read/30240368/-cistus-queen-of-teas
#2
EDITORIAL
Zygmunt Zdrojewicz, Jacek Winiarski, Tomasz Michalik, Bartłomiej Śmieszniak, Ewa Popowicz, Marta Szyca
The aim of our article is to present a healthy qualities of Cistus. Cistus is plant belonging to the Cistaceae has strong health-promoting properties through its antioxidant, immunomodulatory, bacteriostatic and antifungal activities. Cistus has an inhibitory effect on the multiplication of viruses, which can be used to treat cold and influenza. A significant effect of the Cistus on stopping the growth and proliferation of prostatic cells was also demonstrated, which evidence of cytotoxic and antiproliferative activity...
August 29, 2018: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29872089/ccl2-deficiency-protects-against-chronic-renal-injury-in-murine-renovascular-hypertension
#3
Sonu Kashyap, Mazen Osman, Christopher M Ferguson, Meryl C Nath, Bhaskar Roy, Karen R Lien, Karl A Nath, Vesna D Garovic, Lilach O Lerman, Joseph P Grande
Inflammation plays an important role in the pathogenesis of renal and cardiovascular disease in renovascular hypertension (RVH). Ccl2 is an important mediator of inflammation, and is induced within 24 hours following surgery to establish RVH in the murine 2 kidney 1 clip model, a time prior to onset of interstitial inflammation, fibrosis, or tubular atrophy. We tested the hypothesis that Ccl2 deficiency protects the stenotic kidney (STK) from development of chronic renal damage in mice with renovascular hypertension due to renal artery stenosis (RAS)...
June 5, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29601997/effectiveness-of-a-carbohydrate-restricted-diet-to-treat-non-alcoholic-fatty-liver-disease-in-adolescents-with-obesity-trial-design-and-methodology
#4
Shima Dowla, May Pendergrass, Mark Bolding, Barbara Gower, Kevin Fontaine, Ambika Ashraf, Taraneh Soleymani, Shannon Morrison, Amy Goss
BACKGROUND: Non-alcoholic fatty liver disease (NAFLD) is the most common liver disorder among children in the developed world and can progress to cirrhosis, hepatocellular carcinoma, and liver failure. No evidence-based dietary guidelines exist on the most effective diet prescription to treat NAFLD. OBJECTIVE: To compare the effect of a carbohydrate (CHO)-restricted diet vs fat-restricted diet, the current standard of care, on changes in hepatic fat infiltration, body composition, and metabolic health over an 8-week period among overweight and obese children diagnosed with NAFLD...
May 2018: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28579187/functional-mri-bold-response-in-sickle-mice-with-hyperalgesia
#5
Ying Wang, Xiao Wang, Wei Chen, Kalpna Gupta, Xiao-Hong Zhu
Patients with sickle cell anemia (SCA) have abnormal hemoglobin (sickle hemoglobin S) leading to the crystallization of hemoglobin chains in red blood cells (RBCs), which assume sickle shape and display reduced flexibility. Sickle RBCs (sRBCs) adhere to vessel walls and block blood flow, thus preventing oxygen delivery to the tissues leading to vaso-occlusive crises (VOC), acute pain and organ damage. SCA patients often have chronic pain that can be attributed to inflammation, vasculopathy, neuropathy, ischemia-reperfusion injury and organ damage...
June 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28186661/brain-neurochemical-and-hemodynamic-findings-in-the-ny1dd-mouse-model-of-mild-sickle-cell-disease
#6
Min-Hui Cui, Sandra M Suzuka, Nicholas A Branch, Kamalakar Ambadipudi, Sangeetha Thangaswamy, Seetharama A Acharya, Henny H Billett, Craig A Branch
To characterize the cerebral profile associated with sickle cell disease (SCD), we used in vivo proton MRI and MRS to quantify hemodynamics and neurochemicals in the thalamus of NY1DD mice, a mild model of SCD, and compared them with wild-type (WT) control mice. Compared with WT mice, NY1DD mice at steady state had elevated cerebral blood flow (CBF) and concentrations of N-acetylaspartate (NAA), glutamate (Glu), alanine, total creatine and N-acetylaspartylglutamate. Concentrations of glutathione (GSH) at steady state showed a negative correlation with BOLD signal change in response to 100% oxygen, a marker for oxidative stress, and mean diffusivity assessed using diffusion-tensor imaging, a marker for edematous inflammation...
May 2017: NMR in Biomedicine
https://www.readbyqxmd.com/read/28179153/activation-of-npffr2-leads-to-hyperalgesia-through-the-spinal-inflammatory-mediator-cgrp-in-mice
#7
Ya-Tin Lin, Ho-Ling Liu, Yuan-Ji Day, Che-Chien Chang, Po-Hung Hsu, Jin-Chung Chen
Neuropeptide FF (NPFF) is recognized as an opioid modulating peptide that regulates morphine-induced analgesia. The aim of this study was to delineate the role of NPFFR2 in pain transmission. We found the expression levels of NPFF and NPFFR2 were increased in the lumbar dorsal horn of animals with CFA- and carrageenan-induced inflammation and both NPFFR2 over-expressing transgenic (NPFFR2-Tg) and NPFFR2 agonist-treated mice displayed hyperalgesia. BOLD signals from functional MRI showed that NPFFR2-Tg mice exhibited increased activation of pain-related brain regions after painful stimulation when compared to WT mice...
May 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28003158/central-sensitization-related-changes-of-effective-and-functional-connectivity-in-the-rat-inflammatory-trigeminal-pain-model
#8
Tamás Spisák, Zsófia Pozsgay, Csaba Aranyi, Szabolcs Dávid, Pál Kocsis, Gabriella Nyitrai, Dávid Gajári, Miklós Emri, András Czurkó, Zsigmond Tamás Kincses
Central sensitization is a key mechanism in the pathology of several neuropathic pain disorders. We aimed to investigate the underlying brain connectivity changes in a rat model of chronic pain. Non-noxious whisker stimulation was used to evoke blood-oxygen-level-dependent (BOLD) responses in a block-design functional Magnetic Resonance Imaging (fMRI) experiment on 9.4T. Measurements were repeated two days and one week after injecting complete Freund's adjuvant into the rats' whisker pad. We found that acute pain reduced activation in the barrel cortex, most probably due to a plateau effect...
March 6, 2017: Neuroscience
https://www.readbyqxmd.com/read/28002509/peritumoral-inflammatory-reaction-in-non-melanoma-skin-cancers-histological-and-immunohistochemical-study
#9
Ioan Avrămoiu, Ileana Octavia Petrescu, Marius Eugen Ciurea, Adriana Bold, Isabela Siloşi, Marilena Monica ţânŢu, Mihaela Niculescu, Rumi Eugen Anghel Savciu, Stelian ŞtefăniŢă Mogoantă
Non-melanoma skin cancers (NMSCs) are the most frequent types of cancer in white skin populations, all over the world. In the last 40 years, there was observed a rapid increase of their incidence, because of the UV radiations exposure and weather changes. Although its morbidity is a relatively modest one, the direct social costs of NMSCs are quite substantial due to a high incidence. Due to these reasons, numerous studies try to clarify the etiopathogenic mechanisms of NMSCs, to elaborate treatment and prevention measures...
2016: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/27897393/cancer-anorexia-hypothalamic-activity-and-its-association-with-inflammation-and-appetite-regulating-peptides-in-lung-cancer
#10
Alessio Molfino, Alessandro Iannace, Maria Chiara Colaiacomo, Alessio Farcomeni, Alessandra Emiliani, Gianfranco Gualdi, Alessandro Laviano, Filippo Rossi Fanelli
BACKGROUND: Energy homeostasis is mediated by the hypothalamus, whose inflammation-induced functional derangements contribute to the onset of anorexia in cancer. By using functional magnetic resonance imaging (fMRI), we determined the patterns of hypothalamic activation after oral intake in anorexic (A), non-anorexic (NA) cancer patients, and in controls (C). METHODS: Lung cancer patients were considered. Hypothalamic activation was recorded in A and NA patients and in C by fMRI, before (T0), immediately after (T1) the administration of an oral nutritional supplement, and after 15 min (T2)...
February 2017: Journal of Cachexia, Sarcopenia and Muscle
https://www.readbyqxmd.com/read/27474749/atherosclerotic-renal-artery-stenosis-is-associated-with-elevated-cell-cycle-arrest-markers-related-to-reduced-renal-blood-flow-and-postcontrast-hypoxia
#11
Ahmed Saad, Wei Wang, Sandra M S Herrmann, James F Glockner, Michael A Mckusick, Sanjay Misra, Haraldur Bjarnason, Lilach O Lerman, Stephen C Textor
BACKGROUND: Atherosclerotic renal artery stenosis (ARAS) reduces renal blood flow (RBF), ultimately leading to kidney hypoxia and inflammation. Insulin-like growth factor binding protein-7 (IGFBP-7) and tissue inhibitor of metalloproteinases-2 (TIMP-2) are biomarkers of cell cycle arrest, often increased in ischemic conditions and predictive of acute kidney injury (AKI). This study sought to examine the relationships between renal vein levels of IGFBP-7, TIMP-2, reductions in RBF and postcontrast hypoxia as measured by blood oxygen level-dependent (BOLD) magnetic resonance imaging...
November 2016: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/27353721/th17-treg-imbalance-induced-by-dietary-salt-variation-indicates-inflammation-of-target-organs-in-humans
#12
Tao Luo, Wen-Jie Ji, Fei Yuan, Zhao-Zeng Guo, Yun-Xiao Li, Yan Dong, Yong-Qiang Ma, Xin Zhou, Yu-Ming Li
The functions of T helper 17 (Th17) and regulatory T (Treg) cells are tightly orchestrated through independent differentiation pathways that are involved in the secretion of pro- and anti-inflammatory cytokines induced by high-salt dietary. However, the role of imbalanced Th17/Treg ratio implicated in inflammation and target organ damage remains elusive. Here, by flow cytometry analysis, we demonstrated that switching to a high-salt diet resulted in decreased Th17 cells and reciprocally increased Treg cells, leading to a decreased Th17/Treg ratio...
June 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27337480/susceptibility-to-urinary-tract-infection-benefits-and-hazards-of-the-antibacterial-host-response
#13
REVIEW
Ines Ambite, Karoly Nagy, Gabriela Godaly, Manoj Puthia, Björn Wullt, Catharina Svanborg
A paradigm shift is needed to improve and personalize the diagnosis of infectious disease and to select appropriate therapies. For many years, only the most severe and complicated bacterial infections received more detailed diagnostic and therapeutic attention as the efficiency of antibiotic therapy has guaranteed efficient treatment of patients suffering from the most common infections. Indeed, treatability almost became a rationale not to analyze bacterial and host parameters in these larger patient groups...
June 2016: Microbiology Spectrum
https://www.readbyqxmd.com/read/27094339/peripheral-inflammation-related-to-lower-fmri-activation-during-a-working-memory-task-and-resting-functional-connectivity-among-older-adults-a-preliminary-study
#14
Sheena I Dev, Raeanne C Moore, Benchawanna Soontornniyomkij, Cristian L Achim, Dilip V Jeste, Lisa T Eyler
OBJECTIVE: Peripheral inflammation has been associated with adverse effects on cognition and brain structure in late life, a process called 'inflammaging.' Identifying biomarkers of preclinical cognitive decline is critical in the development of preventative therapies, and peripheral inflammation may be able to serve as an indicator of cognitive decline. However, little is known regarding the relationship between peripheral inflammation and brain structure and function among older adults...
March 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/26965677/clinical-pathological-immunohistochemical-and-molecular-characterization-of-feline-chronic-gingivostomatitis
#15
(no author information available yet)
Veronica Machado Rolim, Saulo Petinatti Pavarini, Fabrício Souza Campos, Viviam Pignone, Cláudia Faraco, Marcelo de Souza Muccillo, Paulo Michel Roehe, Fernanda Viera Amorim da Costa, and David Driemeier J Feline Med Surg. Epub ahead of print 8 February 2016. DOI: 10.1177/1098612X16628578.
April 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/26631818/characterization-of-incisional-and-inflammatory-pain-in-rats-using-functional-tools-of-mri
#16
Saeedeh Amirmohseni, Daniel Segelcke, Sylvia Reichl, Lydia Wachsmuth, Dennis Görlich, Cornelius Faber, Esther Pogatzki-Zahn
Underlying mechanisms of hyperalgesia differ with regard to the pain entities, which are well-modeled in animals for systematic studies. However, neuroimaging in different animal pain models often lacks clinical relevance and consistency with behavioral studies, which hinders the translation of results. Whereas mechanical stimulation is commonly used to explore hyperalgesia in animals and humans, functional magnetic resonance imaging (fMRI) studies frequently use electrical or heat stimuli to evaluate brain responses relevant to pain and hyperalgesia...
February 15, 2016: NeuroImage
https://www.readbyqxmd.com/read/26597151/alterations-in-functional-connectivity-of-resting-state-networks-during-experimental-endotoxemia-an-exploratory-study-in-healthy-men
#17
RANDOMIZED CONTROLLED TRIAL
Franziska Labrenz, Karsten Wrede, Michael Forsting, Harald Engler, Manfred Schedlowski, Sigrid Elsenbruch, Sven Benson
Systemic inflammation impairs mood and cognitive functions, and seems to be involved in the pathophysiology of psychiatric disorders. Functional magnetic resonance imaging (fMRI) studies revealed altered task-related blood-oxygen-level-dependent (BOLD) responses during experimental endotoxemia, but little is known about effects of systemic inflammation on resting-state activity of the brain. Thus, we conducted a randomized, placebo-controlled study in healthy men receiving an intravenous injection of either low-dose (0...
May 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/25914140/aberrant-astrocytes-impair-vascular-reactivity-in-huntington-disease
#18
Han-Yun Hsiao, Yu-Chen Chen, Chien-Hsiang Huang, Chiao-Chi Chen, Yi-Hua Hsu, Hui-Mei Chen, Feng-Lan Chiu, Hung-Chih Kuo, Chen Chang, Yijuang Chern
OBJECTIVE: Huntington disease (HD) is an inherited neurodegenerative disease caused by the mutant huntingtin gene (mHTT), which harbors expanded CAG repeats. We previously reported that the brain vessel density is higher in mice and patients with HD than in controls. The present study determines whether vascular function is altered in HD and characterizes the underlying mechanism. METHODS: The brain vessel density and vascular reactivity (VR) to carbogen challenge of HD mice were monitored by 3D ΔR2 -mMRA and blood oxygenation level-dependent (BOLD)/flow-sensitive alternating inversion recovery (FAIR) magnetic resonance imaging (MRI), respectively...
August 2015: Annals of Neurology
https://www.readbyqxmd.com/read/25891606/osteopontin-and-oncostatin-m-increase-significantly-in-iranian-relapsing-remitting-multiple-sclerosis-patients
#19
P Alikhani, F Alsahebfosoul, M Etemadifar, M Shajarian
BACKGROUND/OBJECTIVES: Osteopontin is a multitasking secreted protein with a bold role in autoimmune processes. It is a pro-inflammatory cytokine implicating in cell-matrix and cell-cell interactions, inflammation, recruitment, survival. Thus, it is crucial for T helper-1 immunity. A therapeutic-based study demonstrated that Natalizumab binding to a4-subunit of a4-B1 integrin reduces cell adhesion of invasive immune cells to the endothelium of the central nervous system. The a4-B1 is an osteopontin binding partner...
November 2014: Multiple Sclerosis and related Disorders
https://www.readbyqxmd.com/read/25882910/neural-circuitry-mediating-inflammation-induced-central-pain-amplification-in-human-experimental-endotoxemia
#20
RANDOMIZED CONTROLLED TRIAL
Sven Benson, Laura Rebernik, Alexander Wegner, Julian Kleine-Borgmann, Harald Engler, Marc Schlamann, Michael Forsting, Manfred Schedlowski, Sigrid Elsenbruch
BACKGROUND & AIMS: To elucidate the brain mechanisms underlying inflammation-induced visceral hyperalgesia in humans, in this functional magnetic resonance imaging (fMRI) study we tested if intravenous administration of lipopolysaccharide (LPS) involves altered central processing of visceral pain stimuli. METHODS: In this randomized, double-blind, placebo-controlled fMRI study, 26 healthy male subjects received either an intravenous injection of low-dose LPS (N=14, 0...
August 2015: Brain, Behavior, and Immunity
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