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https://www.readbyqxmd.com/read/29046049/treatment-of-diabetic-foot-ulcers-with-therapeutic-magnetic-resonance-tmr%C3%A2-improves-the-quality-of-granulation-tissue
#1
Letizia Ferroni, Chiara Gardin, Andrea De Pieri, Maria Sambataro, Elena Seganfreddo, Chiara Goretti, Elisabetta Iacopi, Barbara Zavan, Alberto Piaggesi
Diabetic foot ulcers (DFUs) often result in severely adverse outcomes, such as serious infections, hospitalization, and lower extremity amputations. In last few years, to improve the outcome of DFUs, clinicians and researchers put their attention on the application of low intensity pulsating electro-magnetic fields through Therapeutic Magnetic Resonance (TMR®). In our study, patients with DFUs have been divided into two groups: The Sham Group treated with non-functioning TMR® device, and the Active Group treated with a functioning device...
August 7, 2017: European Journal of Histochemistry: EJH
https://www.readbyqxmd.com/read/29045935/emodinol-ameliorates-urate-nephropathy-by-regulating-renal-organic-ion-transporters-and-inhibiting-immune-inflammatory-responses-in-rats
#2
Hui Wu, Mengze Zhou, Guo Lu, Zhonglin Yang, Hui Ji, Qinghua Hu
Emodinol, 1β, 3β, 23-trihydroxyolean-12-en-28-acid, as the main active ingredient firstly extracted from the rhizomes of Elaeagus pungens by our Research Group, was identified with apparent uricosuric and nephroprotective effects in hyperuricemia mice in our previous study. This study aimed to investigate the renal protective effect of emodinol in urate nephropathy rats. Rats were orally administrated by combined adenine and ethambutol to induce urate nephropathy. Emodinol at various doses were administered intragastrically to urate nephropathy rats daily...
October 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29045904/inkt-cells-orchestrate-a-switch-from-inflammation-to-resolution-of-sterile-liver-injury
#3
Pei Xiong Liew, Woo-Yong Lee, Paul Kubes
After traumatic injury, some cells function as detectors to sense injury and to modulate the local immune response toward a restitution phase by affecting the local cytokine milieu. Using intravital microscopy, we observed that patrolling invariant natural killer T (iNKT) cells were initially excluded from a site of hepatic injury but subsequently were strategically arrested first via self-antigens and then by cytokines, circumscribing the injured site at exactly the location where monocytes co-localized and hepatocytes proliferated...
October 17, 2017: Immunity
https://www.readbyqxmd.com/read/29045903/hpari-protein-secreted-by-a-helminth-parasite-suppresses-interleukin-33
#4
Megan Osbourn, Dinesh C Soares, Francesco Vacca, E Suzanne Cohen, Ian C Scott, William F Gregory, Danielle J Smyth, Matilda Toivakka, Andrea M Kemter, Thierry le Bihan, Martin Wear, Dennis Hoving, Kara J Filbey, James P Hewitson, Holly Henderson, Andrea Gonzàlez-Cìscar, Claire Errington, Sonja Vermeren, Anne L Astier, William A Wallace, Jürgen Schwarze, Alasdair C Ivens, Rick M Maizels, Henry J McSorley
Infection by helminth parasites is associated with amelioration of allergic reactivity, but mechanistic insights into this association are lacking. Products secreted by the mouse parasite Heligmosomoides polygyrus suppress type 2 (allergic) immune responses through interference in the interleukin-33 (IL-33) pathway. Here, we identified H. polygyrus Alarmin Release Inhibitor (HpARI), an IL-33-suppressive 26-kDa protein, containing three predicted complement control protein (CCP) modules. In vivo, recombinant HpARI abrogated IL-33, group 2 innate lymphoid cell (ILC2) and eosinophilic responses to Alternaria allergen administration, and diminished eosinophilic responses to Nippostrongylus brasiliensis, increasing parasite burden...
October 17, 2017: Immunity
https://www.readbyqxmd.com/read/29045902/epidermal-growth-factor-receptor-expression-licenses-type-2-helper-t-cells-to-function-in-a-t-cell-receptor-independent-fashion
#5
Carlos M Minutti, Sebastian Drube, Natalie Blair, Christian Schwartz, Jame C McCrae, Andrew N McKenzie, Thomas Kamradt, Michal Mokry, Paul J Coffer, Maria Sibilia, Alice J Sijts, Padraic G Fallon, Rick M Maizels, Dietmar M Zaiss
Gastro-intestinal helminth infections trigger the release of interleukin-33 (IL-33), which induces type-2 helper T cells (Th2 cells) at the site of infection to produce IL-13, thereby contributing to host resistance in a T cell receptor (TCR)-independent manner. Here, we show that, as a prerequisite for IL-33-induced IL-13 secretion, Th2 cells required the expression of the epidermal growth factor receptor (EGFR) and of its ligand, amphiregulin, for the formation of a signaling complex between T1/ST2 (the IL-33R) and EGFR...
October 17, 2017: Immunity
https://www.readbyqxmd.com/read/29045901/by-capturing-inflammatory-lipids-released-from-dying-cells-the-receptor-cd14-induces-inflammasome-dependent-phagocyte-hyperactivation
#6
Ivan Zanoni, Yunhao Tan, Marco Di Gioia, James R Springstead, Jonathan C Kagan
A heterogeneous mixture of lipids called oxPAPC, derived from dying cells, can hyperactivate dendritic cells (DCs) but not macrophages. Hyperactive DCs are defined by their ability to release interleukin-1 (IL-1) while maintaining cell viability, endowing these cells with potent aptitude to stimulate adaptive immunity. Herein, we found that the bacterial lipopolysaccharide receptor CD14 captured extracellular oxPAPC and delivered these lipids into the cell to promote inflammasome-dependent DC hyperactivation...
October 17, 2017: Immunity
https://www.readbyqxmd.com/read/29045388/inflammatory-memory-sensitizes-skin-epithelial-stem-cells-to-tissue-damage
#7
Shruti Naik, Samantha B Larsen, Nicholas C Gomez, Kirill Alaverdyan, Ataman Sendoel, Shaopeng Yuan, Lisa Polak, Anita Kulukian, Sophia Chai, Elaine Fuchs
The skin barrier is the body's first line of defence against environmental assaults, and is maintained by epithelial stem cells (EpSCs). Despite the vulnerability of EpSCs to inflammatory pressures, neither the primary response to inflammation nor its enduring consequences are well understood. Here we report a prolonged memory to acute inflammation that enables mouse EpSCs to hasten barrier restoration after subsequent tissue damage. This functional adaptation does not require skin-resident macrophages or T cells...
October 18, 2017: Nature
https://www.readbyqxmd.com/read/29045353/impaired-il-10-receptor-mediated-suppression-in-monocyte-from-patients-with-crohn-s-disease
#8
Moran Y Nunberg, Lael Werner, Uri Kopylov, Yael Haberman, Avishay Lahad, Batia Weiss, Dror S Shouval
OBJECTIVES: Interleukin-10 (IL-10) is an immunoregulatory cytokine that has a central role in suppressing pro-inflammatory responses. Patients with deleterious mutations in IL-10 or IL-10 receptor (IL-10R) genes develop severe colitis and perianal disease in the first months of life. Whether IL-10R expression and signaling in pediatric- or adult-onset Crohn's disease (CD) are altered is unknown. The objective of this study was to characterize IL-10R expression and IL-10R-mediated suppression in patients with CD...
October 17, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29044676/world-health-organization-defined-eosinophilic-disorders-2017-update-on-diagnosis-risk-stratification-and-management
#9
Jason Gotlib
DISEASE OVERVIEW: The eosinophilias encompass a broad range of nonhematologic (secondary or reactive) and hematologic (primary, clonal) disorders with potential for end-organ damage. DIAGNOSIS: Hypereosinophilia has generally been defined as a peripheral blood eosinophil count greater than 1500/mm(3) and may be associated with tissue damage. After exclusion of secondary causes of eosinophilia, diagnostic evaluation of primary eosinophilias relies on a combination of morphologic review of the blood and marrow, standard cytogenetics, fluorescent in situ-hybridization, flow immunocytometry, and T-cell clonality assessment to detect histopathologic or clonal evidence for an acute or chronic myeloid or lymphoproliferative disorder...
November 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/29044426/p2x7-receptor-blockade-prevents-preterm-birth-and-perinatal-brain-injury-in-a-mouse-model-of-intrauterine-inflammation
#10
Michael E Tsimis, Jun Lei, Jason M Rosenzweig, Hattan Arif, Yahya Shabi, Wael Alshehri, Connie C Talbot, K Maravet Baig-Ward, James Segars, Ernest M Graham, Irina Burd
The P2X7 is an adenosine triphosphate (ATP)-gated ion channel involved in several facets of immune activation and neuronal function through its importance in interleukin (IL)-1β secretion. We hypothesized that blockade of P2X7 would prevent perinatal brain injury associated with exposure to intrauterine (IU) inflammation. Dams received 45 mg/kg of Brilliant Blue G (BBG), a specific P2X7 receptor (P2X7R) antagonist, on gestation day 17 (E17) prior to administration of lipopolysaccharide (LPS) or phosphate-buffered saline (PBS)...
August 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29044425/smad7-regulates-proinflammatory-and-prolabor-mediators-in-amnion-and-myometrium
#11
Ratana Lim, Gillian Barker, Martha Lappas
Preterm birth continues to be a significant public health problem. Infection (bacterial and or viral) and inflammation, by stimulating proinflammatory cytokines, adhesion molecules, and matrix metalloproteinase 9 (MMP9), play a central role in the rupture of membranes and myometrial contractions. SMAD7 has been implicated in regulating the inflammatory response; however, no studies have been performed with regard to human labor. In this study, we determined the effect of spontaneous human labor and prolabor mediators on SMAD7 expression in myometrium and fetal membranes...
August 1, 2017: Biology of Reproduction
https://www.readbyqxmd.com/read/29044226/bone-marrow-transplant-induced-alterations-in-notch-signaling-promote-pathologic-th17-responses-to-%C3%AE-herpesvirus-infection
#12
S J Gurczynski, X Zhou, M Flaherty, C A Wilke, B B Moore
Idiopathic pneumonia syndrome (IPS) is a common, often fatal, complication following hematopoietic stem cell transplantation (HSCT) characterized by severe pneumonitis and interstitial fibrosis. Fully reconstituted syngeneic bone marrow transplant (BMT) mice infected with murine γ-herpesvirus-68 develop interleukin-17 (IL-17)-driven pneumonitis and fibrosis, which mimics clinical manifestations of IPS. We found CD103+ and CD11b+ dendritic cells (DCs) are selectively deficient for the Notch ligand, DLL4, following BMT and CD4+ T cells isolated from lungs and spleens of infected BMT mice display Notch signaling defects...
October 18, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/29043842/the-protective-and-immunomodulatory-effects-of-fucoidan-against-7-12-dimethyl-benz-a-anthracene-induced-experimental-mammary-carcinogenesis-through-the-pd1-pdl1-signaling-pathway-in-rats
#13
Meilan Xue, Hui Liang, Qingjuan Tang, Chuanxing Xue, Xinjia He, Li Zhang, Zheng Zhang, Zhengyan Liang, Kang Bian, Lichen Zhang, Zhuxin Li
Fucoidan is a sulfated polysaccharide that is extracted from brown algae seaweed. This study was designed to evaluate the protective and immunomodulatory effects of dietary fucoidan on 7,12-dimethyl benz[a]anthracene (DMBA)-induced experimental mammary carcinogenesis in rats. Sixty Sprague-Dawley rats were randomly assigned to four equal groups: the control group (control group), the cancer model group (model group), and the F1 and F2 groups, which were fed fucoidan at concentrations of 200 and 400 mg/kg·body weight, respectively...
October 18, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/29043434/-spondyloarthritides
#14
M Rudwaleit
Spondyloarthritides (SpA) are inflammatory rheumatic diseases affecting the axial skeleton, peripheral joints and entheses, and also manifest at extraskeletal sites. According to the more recently introduced nomenclature, predominant axial SpA is distinguished from predominant peripheral SpA. Axial SpA is further divided into radiographic and nonradiographic axial SpA. Genetic factors are relevant, with HLA-B27 being most important. The interleukin 23/17 pathway seems to be relevant and points towards new therapeutic targets...
October 17, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/29043426/roles-of-cytosolic-phospholipase-a2%C3%AE-in-reproductive-and-systemic-toxicities-in-2-3-7-8-tetrachlorodibenzo-p-dioxin-exposed-mice
#15
Nozomi Fujisawa, Wataru Yoshioka, Hiroyuki Yanagisawa, Chiharu Tohyama
Exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) induces a variety of toxicities upon binding of TCDD to aryl hydrocarbon receptor. Although this binding upregulates the synthesis of prostaglandins and their related lipid mediators via cytosolic phospholipase A2α (cPLA2α), toxicological significance of this signaling pathway remains elusive. Herein, we investigated the roles of cPLA2α in TCDD toxicities using cPLA2α-null mice. In a first set of experiments, pregnant mice were orally administered TCDD at a dose of 40 μg/kg on gestation day (GD) 12...
October 17, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/29043237/hepcidin-and-iron-parameters-in-children-with-anemia-of-chronic-disease-and-iron-deficiency-anemia
#16
Gunjan Mahajan, Sunita Sharma, Jagdish Chandra, Anita Nangia
BACKGROUND: Anemia of chronic disease (ACD) and iron deficiency anemia (IDA) are the two most prevalent forms of anemia having interrelated characteristics. Hepcidin, a newly introduced biomarker for assessment of iron status, is a homeostatic regulator of iron metabolism. We investigated the role of hepcidin and other conventional iron parameters to assess iron status among children with ACD and IDA. We also identified children with ACD who developed iron deficiency (ID). METHODS: The study was undertaken in anemic children with 30 cases each of ACD and IDA along with 30 age and sex-matched controls...
September 2017: Blood Research
https://www.readbyqxmd.com/read/29043004/efficacy-of-perineural-dexamethasone-with-ropivacaine-in-adductor-canal-block-for-post-operative-analgesia-in-patients-undergoing-total-knee-arthroplasty-a-randomized-controlled-trial
#17
Cun-Jin Wang, Feng-Yun Long, Liu-Qing Yang, You-Jing Shen, Fang Guo, Tian-Feng Huang, Ju Gao
Adductor canal block (ACB) is an effective analgesic alternative to femoral nerve block after total knee arthroplasty (TKA). The aim of the present study was to investigate whether addition of dexamethasone to ropivacaine for ACB is able to prolong analgesia and reduce pain. Study participants were randomized into groups receiving ACB with either 0.5% ropivacaine + normal saline (control group; n=93) or 0.5% ropivacaine + 8 mg dexamethasone (dexamethasone group; n=93). All patients were subjected to identical peri-operative management...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042996/il-32%C3%AE-promotes-integrin-%C3%AE-v%C3%AE-6-expression-through-the-activation-of-nf-%C3%AE%C2%BAb-in-hscs
#18
Hongcan Liu, Xingfei Pan, Hong Cao, Xin Shu, Haixia Sun, Jianxi Lu, Jiayin Liang, Ka Zhang, Fengqin Zhu, Gang Li, Qi Zhang
Hepatic stellate cell (HSC) activation is important in the pathogenesis of liver fibrosis. However, the molecular mechanism of HSC activation is not completely understood. In the present study, it was demonstrated that interleukin-32γ (IL-32γ) is capable of enhancing intefgrin αvβ6 expression by inducing integrin αvβ6 promoter activity in a dose-dependent manner in HSCs. Furthermore, it was determined that nuclear factor κB (NF-κB) activation is required for IL-32γ-induced integrin αvβ6 expression...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042994/immunological-mechanism-of-low-dose-priming-radiation-resistance-in-walker-256-tumor-model-mice
#19
Li Feng, Ling Qin, Dan Guo, Daping Deng, Feng Lu, Hailiang Li, Narisu Bao, Xiting Yang, Hongyu Ding, Jianguo Li
The aim of the present study was to investigate whether low-dose priming radiation induces antitumor immunity that can be augmented by the modulation of natural killer (NK) cell and cytokine activity using a mouse tumor model. Walker-256 cells were injected into the right flank of male BALB/c mice. At 7 days after inoculation, mice were divided into three groups, including group 1,2,3. In group 1 the mice were without radiation, in group 2 the mice were received 2 Gy radiation only, and in group 3 the mice were radiated with a priming dose of 75 mGy followed by 2 Gy radiation after 24 h...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29042992/timosaponin-b-iii-exhibits-antidepressive-activity-in-a-mouse-model-of-postpartum-depression-by-the-regulation-of-inflammatory-cytokines-bndf-signaling-and-synaptic-plasticity
#20
Xiao-Li Zhang, Lin Wang, Li Xiong, Feng-Hua Huang, Han Xue
The aim of this study was to investigate the antidepressive effects of timosaponin B-III (TB-III) and the underlying mechanism. A postpartum depression (PPD) mouse model was established by the administration of dexamethasone sodium phosphate during pregnancy. Mice with PPD were assigned to the following groups: Model, fluoxetine and high, medium and low doses of TB-III. Post-parturient mice without PPD served as a normal control group. To examine the effect of TB-III, mice were treated with TB-III, then forced swimming tests (FSTs) and tail suspension tests (TSTs) were performed to evaluate depression...
October 2017: Experimental and Therapeutic Medicine
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