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Inflammation bowl disease

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https://www.readbyqxmd.com/read/28801931/immunomodulatory-effects-of-adipose-stromal-vascular-fraction-cells-promote-alternative-activation-macrophages-to-repair-tissue-damage
#1
Annie C Bowles, Rachel M Wise, Brittany Y Gerstein, Robert C Thomas, Roberto Ogelman, Isabella Febbo, Bruce A Bunnell
The pathogenesis of many diseases is driven by the interactions between helper T (TH ) cells and macrophages. The phenotypes of these cells are functional dichotomies that are persuaded according to the surrounding milieu. In both multiple sclerosis and the experimental autoimmune encephalomyelitis (EAE) model, TH 1 and TH 17 cells propagate autoimmune signaling and inflammation in the peripheral lymphoid tissues. In turn, this proinflammatory repertoire promotes the classical activation, formerly the M1-type, macrophages...
August 12, 2017: Stem Cells
https://www.readbyqxmd.com/read/28431493/pan-intestinal-capsule-endoscopy-in-patients-with-postoperative-crohn-s-disease-a-pilot-study
#2
Johannes Hausmann, Renate Schmelz, Jens Walldorf, Natalie Filmann, Stefan Zeuzem, Jörg G Albert
BACKGROUND: Patients are at increased risk of disease recurrence after surgical treatment of Crohn's disease. Endoscopic detection of postoperative, ileo-colonic inflammation is well established, but the potential of pan-intestinal endoscopy is yet unknown. METHODS: This prospective multicenter pilot study assessed the value of pan-intestinal capsule endoscopy using a colon capsule endoscope for the detection of inflammatory recurrence of Crohn´s disease. Patients who had been operatively treated for Crohn´s disease were included...
April 21, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28294240/pegylation-corannulene-enhances-response-of-stress-through-promoting-neurogenesis
#3
Xinyu Li, Dandan Sun, Xu Li, Dashuai Zhu, Zhenzhen Jia, Jiajia Jiao, Kai Wang, Deling Kong, Xin Zhao, Lin Xu, Qiang Zhao, Dongyan Chen, Xizeng Feng
Carbon nanomaterials have been used to treat neurodegenerative diseases and neural disorders due to their diverse molecular structures. Corannulene is a three-dimensional π-bowl carbon nanomaterial that is different from planar PAHs, fullerenes and carbon nanotubes, but little is known about its biological functions. Herein, corannulene was functionalized with mPEG-DESP to prepare PEGylation corannulene nanoparticles (PEGylation CoNps). The synthesized PEGylation CoNps shows enhanced solubility and reduced aggregation when compared corannulene...
March 15, 2017: Biomaterials Science
https://www.readbyqxmd.com/read/28095751/-crispr-based-epigenome-editing-of-cytokine-receptors-for-the-promotion-of-cell-survival-and-tissue-deposition-in-inflammatory-environments
#4
Niloofar Farhang, Jonathan M Brunger, Joshua D Stover, Pratiksha I Thakore, Brandon Lawrence, Farshid Guilak, Charles A Gersbach, Lori A Setton, Robby D Bowles
Musculoskeletal diseases have been associated with inflammatory cytokine action, particularly action by TNF-α and IL-1β. These inflammatory cytokines promote apoptosis and senescence of cells in diseased tissue and extracellular matrix breakdown. Stem cell-based therapies are being considered for the treatment of musculoskeletal diseases, but the presence of these inflammatory cytokines will have similar deleterious action on therapeutic cells delivered to these environments. Methods that prevent inflammatory-induced apoptosis and proinflammatory signaling, in cell and pathway-specific manners are needed...
August 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28062701/widespread-virus-replication-in-alveoli-drives-acute-respiratory-distress-syndrome-in-aerosolized-h5n1-influenza-infection-of-macaques
#5
Elizabeth R Wonderlich, Zachary D Swan, Stephanie J Bissel, Amy L Hartman, Jonathan P Carney, Katherine J O'Malley, Adebimpe O Obadan, Jefferson Santos, Reagan Walker, Timothy J Sturgeon, Lonnie J Frye, Pauline Maiello, Charles A Scanga, Jennifer D Bowling, Anthea L Bouwer, Parichat A Duangkhae, Clayton A Wiley, JoAnne L Flynn, Jieru Wang, Kelly S Cole, Daniel R Perez, Douglas S Reed, Simon M Barratt-Boyes
Human infections with highly pathogenic avian influenza A (H5N1) virus are frequently fatal but the mechanisms of disease remain ill-defined. H5N1 infection is associated with intense production of proinflammatory cytokines, but whether this cytokine storm is the main cause of fatality or is a consequence of extensive virus replication that itself drives disease remains controversial. Conventional intratracheal inoculation of a liquid suspension of H5N1 influenza virus in nonhuman primates likely results in efficient clearance of virus within the upper respiratory tract and rarely produces severe disease...
February 15, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27733015/adipose-stromal-vascular-fraction-mediated-improvements-at-late-stage-disease-in-a-murine-model-of-multiple-sclerosis
#6
Annie C Bowles, Amy L Strong, Rachel M Wise, Robert C Thomas, Brittany Y Gerstein, Maria F Dutreil, Ryan S Hunter, Jeffrey M Gimble, Bruce A Bunnell
Multiple sclerosis (MS) is a common neurodegenerative disease and remains an unmet clinical challenge. In MS, an autoimmune response leads to immune cell infiltration, inflammation, demyelination, and lesions in central nervous system (CNS) tissues resulting in tremors, fatigue, and progressive loss of motor function. These pathologic hallmarks are effectively reproduced in the murine experimental autoimmune encephalomyelitis (EAE) model. The stromal vascular fraction (SVF) of adipose tissue is composed of adipose-derived stromal/stem cells (ASC), adipocytes, and various leukocytes...
October 12, 2016: Stem Cells
https://www.readbyqxmd.com/read/27206705/epicutaneous-and-oral-low-zone-tolerance-protects-from-colitis-in-mice
#7
REVIEW
Talkea Schmidt, Nadine Lorenz, Verena Raker, Sonja Reißig, Ari Waisman, Benno Weigmann, Kerstin Steinbrink
Tolerance to environmental antigens that encounter the organism at interfaces like skin or gut prevents deleterious systemic immune responses. The aim of this study was to analyze whether and how low doses of haptens, by entry through the skin or gastrointestinal tract, affect the outcome of the predominantly Th1/Th17-mediated 2,4,6-trinitro-benzenesulfonic acid-induced colitis, which mimics an autoimmune bowl disease in man. Epicutaneous and oral applications of low doses of the allergen resulted in the induction of low-zone tolerance (LZT) and protected from colitis development, demonstrated by a significantly reduced inflammatory response of the gut in vivo...
September 2016: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/26917610/serum-periostin-in-obstructive-airways-disease
#8
James Fingleton, Irene Braithwaite, Justin Travers, Darren Bowles, Rianne Strik, Rob Siebers, Cecile Holweg, John Matthews, Mark Weatherall, Richard Beasley
Serum periostin is a potential biomarker of response to therapies that target type 2 inflammation in asthma. The objectives of this study were to describe: 1) the distribution of serum periostin levels in adults with symptomatic airflow obstruction; 2) its relationship with other variables, including type 2 biomarkers; and 3) the effect of inhaled corticosteroids on periostin levels.Serum periostin levels were measured in a cross-sectional study exploring phenotypes and biomarkers in 386 patients aged 18-75 years who reported wheeze and breathlessness in the past 12 months...
May 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/26702331/carotid-endothelial-vcam-1-is-an-early-marker-of-carotid-atherosclerosis-and-predicts-coronary-artery-disease-in-swine
#9
I Masseau, D K Bowles
OBJECTIVE: The aim was to determine if endothelial VCAM-1 (eVCAM-1) expression in the common carotid artery (CCA) would correlate with predictive markers of atherosclerotic disease, would precede reduction of markers of endothelial cell function and would predict coronary artery disease (CAD). METHODS AND RESULTS: Carotid arterial segments (bifurcation, proximal and distal CCA) were harvested from 14 and 24 month-old male castrated familial hypercholesterolemic (FH) swine, a model of spontaneous atherosclerosis...
2015: Journal of Biomedical Science and Engineering
https://www.readbyqxmd.com/read/26700612/human-adipose-stromal-stem-cells-from-obese-donors-show-reduced-efficacy-in-halting-disease-progression-in-the-experimental-autoimmune-encephalomyelitis-model-of-multiple-sclerosis
#10
Amy L Strong, Annie C Bowles, Rachel M Wise, Joseph P Morand, Maria F Dutreil, Jeffrey M Gimble, Bruce A Bunnell
Multiple sclerosis is an autoimmune disease that affects the white matter of the central nervous system and involves inflammation and demyelination. The recent advances in our understanding of adipose-derived stromal/stem cells (ASCs) and the utilization of these cells in clinical settings to treat diseases have made it essential to identify the most effective ASCs for therapy. Studies have not yet investigated the impact of obesity on the therapeutic efficacy of ASCs. Obesity is characterized by adipocyte hyperplasia and hypertrophy and can extend to metabolic and endocrine dysfunction...
March 2016: Stem Cells
https://www.readbyqxmd.com/read/26577908/roles-of-nitric-oxide-and-intestinal-microbiota-in-the-pathogenesis-of-necrotizing-enterocolitis
#11
REVIEW
Anatoly Grishin, Jordan Bowling, Brandon Bell, Jin Wang, Henri R Ford
Necrotizing enterocolitis remains one of the most vexing problems in the neonatal intensive care unit. Risk factors for NEC include prematurity, formula feeding, and inappropriate microbial colonization of the GI tract. The pathogenesis of NEC is believed to involve weakening of the intestinal barrier by perinatal insults, translocation of luminal bacteria across the weakened barrier, an exuberant inflammatory response, and exacerbation of the barrier damage by inflammatory factors, leading to a vicious cycle of inflammation-inflicted epithelial damage...
January 2016: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/26426460/irritable-bowel-syndrome-in-quiescent-inflammatory-bowel-disease-a-review
#12
REVIEW
R E Burgell, A K Asthana, P R Gibson
Ongoing troublesome bowel symptoms despite quiescent inflammatory disease are a frequent management challenge when caring for patients with inflammatory bowel disease (IBD). Even when active disease has been excluded the prevalence of residual gastrointestinal symptoms is surprisingly high and the cause often obscure. The presence of a concurrent functional disorder such as irritable bowel syndrome (IBS) is associated with worse quality of life, worse physical functioning, higher prevalence of anxiety and greater health care utilization...
December 2015: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/25333103/identifying-neutrophils-in-h-e-staining-histology-tissue-images
#13
Jiazhuo Wang, John D MacKenzie, Rageshree Ramachandran, Danny Z Chen
Identifying neutrophils lays a crucial foundation for diagnosing acute inflammation diseases. But, such computerized methods on the commonly used H&E staining histology tissue images are lacking, due to various inherent difficulties of identifying cells in such image modality and the challenge that a considerable portion of neutrophils do not have a "textbook" appearance. In this paper, we propose a new method for identifying neutrophils in H&E staining histology tissue images. We first segment the cells by applying iterative edge labeling, and then identify neutrophils based on the segmentation results by considering the "context" of each candidate cell constructed by a new Voronoi diagram of clusters of other neutrophils...
2014: Medical Image Computing and Computer-assisted Intervention: MICCAI ..
https://www.readbyqxmd.com/read/25173393/mesenchymal-stem-cell-based-therapy-in-a-mouse-model-of-experimental-autoimmune-encephalomyelitis-eae
#14
Annie C Bowles, Brittni A Scruggs, Bruce A Bunnell
Multiple sclerosis (MS) is a common neurodegenerative disease that presents after an auto-reactive immune response against constituents of the central nervous system. Demyelination, inflammation, and white matter lesions are all hallmarks of this disease. Clinical research supports the use of mesenchymal stem cells (MSCs) as therapy for MS to ameliorate symptoms and pathology. MSCs can be isolated from multiple tissues, including adipose and bone marrow, and are able to migrate to sites of pathology, release anti-inflammatory factors, and provide immunomodulatory and neuroprotective effects once administered...
2014: Methods in Molecular Biology
https://www.readbyqxmd.com/read/25062854/kinase-signalling-in-huntington-s-disease
#15
REVIEW
Kathryn R Bowles, Lesley Jones
Alterations in numerous signal transduction pathways and aberrant activity of specific kinases have been identified in multiple cell and mouse models of Huntington's disease (HD), as well as in human HD brain. The balance and integration of a network of kinase signalling pathways is paramount for the regulation of a wide range of cellular and physiological processes, such as proliferation, differentiation, inflammation, neuronal plasticity and apoptosis. Unbalanced activity within these pathways provides a potential mechanism for many of the pathological phenotypes associated with HD, such as transcriptional dysregulation, inflammation and ultimately neurodegeneration...
2014: Journal of Huntington's Disease
https://www.readbyqxmd.com/read/24876352/estrogen-effects-on-vascular-inflammation-are-age-dependent-role-of-estrogen-receptors
#16
COMPARATIVE STUDY
Meaghan R Bowling, Dongqi Xing, Akash Kapadia, Yiu-Fai Chen, Alexander J Szalai, Suzanne Oparil, Fadi G Hage
OBJECTIVE: 17β-Estradiol (E2) offers cardiovascular protection in young female animals and postmenopausal women. In contrast, randomized trials of menopausal hormones performed in older women have shown harm or no cardiovascular benefit. We hypothesize that E2 effects on vascular inflammation are age dependent. APPROACH AND RESULTS: Young (10 weeks) and aged (52 weeks) female C57BL/6 mice were used as source for primary cultures of bone marrow-derived macrophages (BMMs) and vascular smooth muscle cells (VSMCs)...
July 2014: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/24465465/transplantation-of-autologous-adipose-stem-cells-lacks-therapeutic-efficacy-in-the-experimental-autoimmune-encephalomyelitis-model
#17
Xiujuan Zhang, Annie C Bowles, Julie A Semon, Brittni A Scruggs, Shijia Zhang, Amy L Strong, Jeffrey M Gimble, Bruce A Bunnell
Multiple sclerosis (MS), characterized by chronic inflammation, demyelination, and axonal damage, is a complicated neurological disease of the human central nervous system. Recent interest in adipose stromal/stem cell (ASCs) for the treatment of CNS diseases has promoted further investigation in order to identify the most suitable ASCs. To investigate whether MS affects the biologic properties of ASCs and whether autologous ASCs from MS-affected sources could serve as an effective source for stem cell therapy, cells were isolated from subcutaneous inguinal fat pads of mice with established experimental autoimmune encephalomyelitis (EAE), a murine model of MS...
2014: PloS One
https://www.readbyqxmd.com/read/24140330/sodium-salicylate-treatment-in-early-lactation-increases-whole-lactation-milk-and-milk-fat-yield-in-mature-dairy-cows
#18
J K Farney, L K Mamedova, J F Coetzee, J E Minton, L C Hollis, B J Bradford
Multiple lines of inquiry have suggested that a high degree of inflammation in early lactation cows is associated with low productivity and increased disease incidence. In addition, some small studies have suggested that milk production increases in response to antiinflammatory treatment in the first week of lactation. Our objective was to determine if administration of sodium salicylate (SS), a nonsteroidal antiinflammatory drug (NSAID), in the first week of lactation changes whole-lactation productivity and retention in the herd...
2013: Journal of Dairy Science
https://www.readbyqxmd.com/read/24018793/age-of-the-donor-reduces-the-ability-of-human-adipose-derived-stem-cells-to-alleviate-symptoms-in-the-experimental-autoimmune-encephalomyelitis-mouse-model
#19
Brittni A Scruggs, Julie A Semon, Xiujuan Zhang, Shijia Zhang, Annie C Bowles, Amitabh C Pandey, Kathleen M P Imhof, Allan V Kalueff, Jeffrey M Gimble, Bruce A Bunnell
There is a significant clinical need for effective therapies for primary progressive multiple sclerosis, which presents later in life (i.e., older than 50 years) and has symptoms that increase in severity without remission. With autologous mesenchymal stem cell therapy now in the early phases of clinical trials for all forms of multiple sclerosis (MS), it is necessary to determine whether autologous stem cells from older donors have therapeutic effectiveness. In this study, the therapeutic efficacy of human adipose-derived mesenchymal stem cells (ASCs) from older donors was directly compared with that of cells from younger donors for disease prevention...
October 2013: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/23918084/acute-and-elective-laparoscopic-resection-for-complicated-sigmoid-diverticulitis-clinical-and-histological-outcome
#20
Marty Zdichavsky, Thomas Kratt, Dietmar Stüker, Tobias Meile, Maximilian V Feilitzsch, Dörte Wichmann, Alfred Königsrainer
BACKGROUND: Surgical treatment of acute complicated sigmoid diverticulitis is still under debate while elective treatment of recurrent diverticulitis has proven benefits. The aim of this study was to evaluate the clinical and histological outcome of acute and elective laparoscopic sigmoid colectomy in patients with diverticulitis. METHODS: A retrospective review was conducted where 197 patients were analyzed undergoing laparoscopic sigmoid resection for acute complicated diverticulitis and recurrent diverticulitis...
November 2013: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
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