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Chronic inflammation prevention

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https://www.readbyqxmd.com/read/28102669/intervention-of-isomaltodextrin-mitigates-intestinal-inflammation-in-a-dextran-sodium-sulfate-induced-mouse-model-of-colitis-via-inhibition-of-toll-like-receptor-4
#1
Kaustav Majumder, Toshihiko Fukuda, Hua Zhang, Takeo Sakurai, Yoshifumi Taniguchi, Hikaru Watanabe, Hitoshi Mitsuzumi, Toshiro Matsui, Yoshinori Mine
Isomaltodextrin (IMD), a highly branched α-glucan, is a type of resistant starch. Earlier studies have indicated that polysaccharides could prevent inflammation and can be effective in reducing the complications of chronic gastrointestinal diseases such as inflammatory bowel disease (IBD). Therefore, the aim of the present study was to evaluate the anti-inflammatory effect of IMD in dextran sodium sulfate (DSS)-induced colitis in a mouse model. IMD (0.5, 1.0, 2.5, and 5.0% (w/v)) was given orally for 23 days to female Balb/c mice, and then 5% DSS was administered to induce colitis (from day 15 onward to the end of the trial)...
January 19, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28102546/ataluren-and-similar-compounds-specific-therapies-for-premature-termination-codon-class-i-mutations-for-cystic-fibrosis
#2
REVIEW
Aisha A Aslam, Colin Higgins, Ian P Sinha, Kevin W Southern
BACKGROUND: Cystic fibrosis is a common life-shortening genetic disorder in the Caucasian population (less common in other ethnic groups) caused by the mutation of a single gene that codes for the production of the cystic fibrosis transmembrane conductance regulator protein. This protein coordinates the transport of salt (and bicarbonate) across cell surfaces and the mutation most notably affects the airways. In the lungs of people with cystic fibrosis, defective protein results in a dehydrated surface liquid and compromised mucociliary clearance...
January 19, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28100738/mir-142-3p-is-a-key-regulator-of-il-1%C3%AE-dependent-synaptopathy-in-neuroinflammation
#3
Georgia Mandolesi, Francesca De Vito, Alessandra Musella, Antonietta Gentile, Silvia Bullitta, Diego Fresegna, Helena Sepman, Claudio Di Sanza, Nabila Haji, Francesco Mori, Fabio Buttari, Emerald Perlas, Maria Teresa Ciotti, Eran Hornstein, Irene Bozzoni, Carlo Presutti, Diego Centonze
: MicroRNAs (miRNA) play an important role in post-transcriptional gene regulation of several physiological and pathological processes. In multiple sclerosis (MS), a chronic inflammatory and degenerative disease of the CNS, and in its mouse model, the experimental autoimmune encephalomyelitis (EAE), miRNA dysregulation has been mainly related to immune system dysfunction and white matter (WM) pathology. However, little is known about their role in gray matter pathology. Here, we explored miRNA involvement in the inflammation-driven alterations of synaptic structure and function, collectively known as synaptopathy, a neuropathological process contributing to excitotoxic neurodegeneration in MS/EAE...
January 18, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28100701/self-cytoplasmic-dna-upregulates-the-mutator-enzyme-apobec3a-leading-to-chromosomal-dna-damage
#4
Rodolphe Suspène, Bianka Mussil, Hélène Laude, Vincent Caval, Noémie Berry, Mohamed S Bouzidi, Valérie Thiers, Simon Wain-Hobson, Jean-Pierre Vartanian
Foreign and self-cytoplasmic DNA are recognized by numerous DNA sensor molecules leading to the production of type I interferons. Such DNA agonists should be degraded otherwise cells would be chronically stressed. Most human APOBEC3 cytidine deaminases can initiate catabolism of cytoplasmic mitochondrial DNA. Using the human myeloid cell line THP-1 with an interferon inducible APOBEC3A gene, we show that cytoplasmic DNA triggers interferon α and β production through the RNA polymerase III transcription/RIG-I pathway leading to massive upregulation of APOBEC3A By catalyzing C→U editing in single stranded DNA fragments, the enzyme prevents them from re-annealing so attenuating the danger signal...
January 18, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28099916/involvement-of-nf-%C3%AE%C2%BAbiz-and-related-cytokines-in-age-associated-renal-fibrosis
#5
Ki Wung Chung, Hyeong Oh Jeong, Bonggi Lee, Daeui Park, Dae Hyun Kim, Yeun Ja Choi, Eun Kyeong Lee, Kyung Mok Kim, June Whoun Park, Byung Pal Yu, Hae Young Chung
Chronic inflammation is a major contributor to age-related nephropathic changes, including renal fibrosis. In this study, various experimental paradigms were designed to delineate the role played by NF-κBIZ (also known as IκBζ) in age-associated renal fibrosis. Analyses based on RNA-sequencing findings obtained by next generation sequencing (NGS) revealed the upregulations of NF-κBIZ and of IL-6 and MCP-1 (both known to be regulated by NF-κBIZ) during aging. The up-regulation of NF-κBIZ in aged rat kidneys coincided with increased macrophage infiltration...
January 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/28098903/vitexin-alleviates-lipopolysaccharide%C3%A2-induced-islet-cell-injury-by-inhibiting-hmgb1-release
#6
Feifei Wang, Jiajing Yin, Yujin Ma, Hongwei Jiang, Yanbo Li
Diabetes mellitus (DM) is a chronic metabolic disease, where the predominant pathogenesis is pancreatic β‑cells dysfunction or injury. It has been well established that inflammation leads to a gradual exhaustion of pancreatic β‑cell function with decreased β‑cell mass likely resulting from pancreatic β‑cells apoptosis or death. Vitexin, a major bioactive flavonoid compound in plants has numerous pharmacological properties, including antioxidant, anti‑inflammatory and antimyeloperoxidase. Whether vitexin can protect pancreatic β‑cells against lipopolysaccharide (LPS)‑induced pro‑inflammatory cytokine production and apoptosis has received little attention...
January 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28096131/nutrition-micrornas-and-human-health
#7
REVIEW
Juan Cui, Beiyan Zhou, Sharon A Ross, Janos Zempleni
MicroRNAs (miRs) hybridize with complementary sequences in mRNA and silence genes by destabilizing mRNA or preventing translation of mRNA. Over 60% of human protein-coding genes are regulated by miRs, and 1881 high-confidence miRs are encoded in the human genome. Evidence suggests that miRs not only are synthesized endogenously, but also might be obtained from dietary sources, and that food compounds alter the expression of endogenous miR genes. The main food matrices for studies of biological activity of dietary miRs include plant foods and cow milk...
January 2017: Advances in Nutrition
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
#8
Niloofar Farhang, Jonathan M Brunger, Joshua D Stover, Pratiksha I Thakore, Brandon Lawrence, Farshid Guilak, Charles A Gersbach, Lori A Setton, Robert 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 pro-inflammatory signaling, in cell and pathway specific manners are needed...
January 17, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28094570/antioxidant-anti-inflammatory-and-genomic-stability-enhancement-effects-of-zinc-l-carnosine-a-potential-cancer-chemopreventive-agent
#9
Theng Choon Ooi, Kok Meng Chan, Razinah Sharif
Cancer is one of the major causes of death worldwide, and the incidence and mortality rates of cancer are expected to rise tremendously in the near future. Despite a better understanding of cancer biology and advancement in cancer management, current strategies in cancer treatment remain costly and ineffective. Hence, instead of putting more efforts to search for new cancer cures, attention has now been shifted to the development of cancer chemopreventive agents as a preventive measure for cancer formation...
January 17, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28093994/viral-infection-and-obesity-current-status-and-future-prospective
#10
Sayed Sartaj Sohrab, Mohammad Amjad Kamal, Richard L Atkinson, Maha M Alawi, Esam I Azhar
The association of pathogenic viruses with obesity has now been well-known in both human and animals. Globally, human obesity has become a serious problem leading to the emergence of multiple life-threatening diseases. Adenoviruses contribute a significant role in the induction of obesity by affecting various pathways. Due to impaired immunity, obese individuals are more prone to nosocomial infections leading to complications of obesity. In contrast, several other important factors contributing to human obesity are known...
January 16, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28093447/inflammasomes-and-cancer
#11
Rajendra Karki, Si Ming Man, Thirumala-Devi Kanneganti
Inflammation affects all stages of tumorigenesis. A key signaling pathway leading to acute and chronic inflammation is through activation of the caspase-1 inflammasome. Inflammasome complexes are assembled on activation of certain nucleotide-binding domain, leucine-rich repeat-containing proteins (NLR), AIM2-like receptors, or pyrin. Of these, NLRP1, NLRP3, NLRC4, NLRP6, and AIM2 influence the pathogenesis of cancer by modulating innate and adaptive immune responses, cell death, proliferation, and/or the gut microbiota...
January 16, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28092375/postprandial-macrophage-derived-il-1%C3%AE-stimulates-insulin-and-both-synergistically-promote-glucose-disposal-and-inflammation
#12
Erez Dror, Elise Dalmas, Daniel T Meier, Stephan Wueest, Julien Thévenet, Constanze Thienel, Katharina Timper, Thierry M Nordmann, Shuyang Traub, Friederike Schulze, Flurin Item, David Vallois, Francois Pattou, Julie Kerr-Conte, Vanessa Lavallard, Thierry Berney, Bernard Thorens, Daniel Konrad, Marianne Böni-Schnetzler, Marc Y Donath
The deleterious effect of chronic activation of the IL-1β system on type 2 diabetes and other metabolic diseases is well documented. However, a possible physiological role for IL-1β in glucose metabolism has remained unexplored. Here we found that feeding induced a physiological increase in the number of peritoneal macrophages that secreted IL-1β, in a glucose-dependent manner. Subsequently, IL-1β contributed to the postprandial stimulation of insulin secretion. Accordingly, lack of endogenous IL-1β signaling in mice during refeeding and obesity diminished the concentration of insulin in plasma...
January 16, 2017: Nature Immunology
https://www.readbyqxmd.com/read/28089842/curbing-tumorigenesis-and-malignant-progression-through-the-pharmacological-control-of-the-wound-healing-process
#13
REVIEW
Melania Dovizio, Angela Sacco, Paola Patrignani
The prevention of cancer development and its progression is an urgent unmet medical need. Novel knowledge on the biology of cancer has evidenced that genetic changes occurring within cancer cells contribute, but are not sufficient, for tumor promotion and progression. The results of clinical studies and experimental animal models have suggested pursuing new avenues for the prevention of cancer development in the early stages, by using drugs that modulate platelet responses and those interfering with the synthesis and action of the mediators of inflammation...
January 12, 2017: Vascular Pharmacology
https://www.readbyqxmd.com/read/28086980/inflammation-in-epileptogenesis-after-traumatic-brain-injury
#14
REVIEW
Kyria M Webster, Mujun Sun, Peter Crack, Terence J O'Brien, Sandy R Shultz, Bridgette D Semple
BACKGROUND: Epilepsy is a common and debilitating consequence of traumatic brain injury (TBI). Seizures contribute to progressive neurodegeneration and poor functional and psychosocial outcomes for TBI survivors, and epilepsy after TBI is often resistant to existing anti-epileptic drugs. The development of post-traumatic epilepsy (PTE) occurs in a complex neurobiological environment characterized by ongoing TBI-induced secondary injury processes. Neuroinflammation is an important secondary injury process, though how it contributes to epileptogenesis, and the development of chronic, spontaneous seizure activity, remains poorly understood...
January 13, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28078844/a-natural-formula-containing-lactoferrin-equisetum-arvensis-soy-isoflavones-and-vitamin-d3-modulates-bone-remodeling-and-inflammatory-markers-in-young-and-aged-rats
#15
L Menghini, C Ferrante, L Leporini, L Recinella, A Chiavaroli, S Leone, G Pintore, M Vacca, G Orlando, L Brunetti
A pivotal role in osteoporosis development is played by radical oxygen species (ROS), the increased production of which is related to inhibited osteoblastic activity and bone formation. A new field of research could involve medicinal plants with antioxidant and protective effects in osteoporosis. Furthermore, considering the multifactorial metabolic aspects of osteoporosis, the pharmacological association of multiple medicinal plants could improve patient response. The aim of the present study is to evaluate in vitro and in vivo the protective effects of a natural formula containing lactoferrin 12%, Equisetum arvensis ES 54%, soy isoflavones 34% and vitamin D3 0...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28078432/-evidence-based-recommendations-for-diagnostics-and-treatment-of-gouty-arthritis-in-the-specialist-sector-s2e-guidelines-of-the-german-society-of-rheumatology-in-cooperation-with-the-awmf
#16
REVIEW
U Kiltz, R Alten, M Fleck, K Krüger, B Manger, U Müller-Ladner, H Nüsslein, M Reuss-Borst, A Schwarting, H Schulze-Koops, A K Tausche, J Braun
Due to the increasing prevalence of gout, particularly in old age, the disease is becoming of increasing importance in Germany. Gout is one of the most common forms of recurrent inflammatory arthritis and is induced by the deposition of monosodium urate crystals in synovial fluid and other tissues. The principal goals of therapy in chronic gout are the symptomatic treatment of the acute joint inflammation and the causal treatment of the underlying metabolic cause, the hyperuricemia. Only a consistent and permanent reduction of the serum uric acid level ultimately results in an efficient avoidance of further gout attacks and therefore the prevention of structural damage...
January 11, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28078319/gut-microbiota-inflammation-and-colorectal-cancer
#17
Jun Sun, Ikuko Kato
Although genes contribute to colorectal cancer, the gut microbiota are an important player. Accumulating evidence suggests that chronic infection and the ensuing inflammation contributes to tumor initiation and tumor progression. A variety of bacterial species and tumor-promoting virulence mechanisms have been investigated. Significant advances have been made in understanding the composition and functional capabilities of the gut microbiota and its roles in cancer. In the current review, we discuss the novel roles of microbiota in the progression of colon cancer...
June 2016: Genes & Diseases
https://www.readbyqxmd.com/read/28076979/strategies-for-identifying-pulmonary-sarcoidosis-patients-at-risk-for-severe-or-chronic-disease
#18
Marc A Judson
Most of the morbidity and mortality resulting from pulmonary sarcoidosis relates to complications of fibrotic disease. Because pulmonary sarcoidosis is often of minimal clinical importance, pharmacotherapy is not mandated. However, a small fraction of pulmonary sarcoidosis patients develop significant lung fibrosis, and they could potentially benefit from anti-sarcoidosis therapy. A reliable algorithm to determine the likelihood of a pulmonary sarcoidosis patient developing fibrosis would minimize the toxicity of therapy and potentially prevent serious complications of the disease...
January 11, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28075404/advanced-oxidation-protein-products-modified-albumin-induces-differentiation-of-raw264-7-macrophages-into-dendritic-like-cells-which-is-modulated-by-cell-surface-thiols
#19
Silvano Garibaldi, Chiara Barisione, Barbara Marengo, Pietro Ameri, Claudio Brunelli, Manrico Balbi, Giorgio Ghigliotti
Local accumulation of Advanced Oxidation Protein Products (AOPP) induces pro-inflammatory and pro-fibrotic processes in kidneys and is an independent predictor of renal fibrosis and of rapid decline of eGFR in patients with chronic kidney disease (CKD). In addition to kidney damage, circulating AOPP may be regarded as mediators of systemic oxidative stress and, in this capacity, they might play a role in the progression of atherosclerotic damage of arterial walls. Atherosclerosis is a chronic inflammatory disease that involves activation of innate and adaptive immunity...
January 10, 2017: Toxins
https://www.readbyqxmd.com/read/28074934/disease-modifying-effect-of-intravenous-immunoglobulin-in-an-experimental-model-of-epilepsy
#20
Min Chen, Thiruma V Arumugam, Gayeshika Leanage, Quang M Tieng, Ashwin Yadav, Jeremy F P Ullmann, David T She, Vy Truong, Marc J Ruitenberg, David C Reutens
Novel therapies that prevent or modify the development of epilepsy following an initiating brain insult could significantly reduce the burden of this disease. In light of evidence that immune mechanisms play an important role in generating and maintaining the epileptic condition, we evaluated the effect of a well-established immunomodulatory treatment, intravenous immunoglobulin (IVIg), on the development of epilepsy in an experimental model of epileptogenesis. In separate experiments, IVIg was administered either before (pre-treatment) or after (post-treatment) the onset of pilocarpine status epilepticus (SE)...
January 11, 2017: Scientific Reports
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