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Acute inflammatory response

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https://www.readbyqxmd.com/read/29667173/efficacy-of-corticosteroids-in-prevention-of-acute-kidney-injury-in-neonates-undergoing-cardiac-surgery-a-randomized-controlled-trial
#1
T Jahnukainen, J Keski-Nisula, J Tainio, H Valkonen, T Pätilä, H Jalanko, P Suominen
BACKGROUND: Heart surgery requiring cardiopulmonary bypass (CPB) causes an inflammatory response which may further induce acute kidney injury (AKI). In the present randomized controlled study we evaluated whether corticosteroids can prevent CPB related AKI in neonates undergoing heart surgery. METHODS: Forty neonates were randomized to receive 2 mg/kg methylprednisolone followed by hydrocortisone infusion 0.2 mg/kg/h perioperatively with tapering doses for 5 days, or placebo administered in a similar fashion...
April 17, 2018: Acta Anaesthesiologica Scandinavica
https://www.readbyqxmd.com/read/29666981/an-early-life-mucosal-insult-temporarily-decreases-acute-oxazolone-induced-inflammation-in-mice
#2
Katja M Bendtsen, Peter Tougaard, Axel K Hansen
Inflammatory priming of immune cells in early life may optimize the response to a subsequent inflammatory challenge later in life. To prime the immune cells in the gut in vivo through a short inflammatory insult, we administered a low dose of dextran sulfate sodium (DSS) to 5-weeks-old BALB/c mice in the drinking water. We hypothesized that DSS-primed mice would show decreased inflammation and difference in immunological profiling, when subjected to presensitizing and oxazolone-induced colitis by rectal instillation at 9 weeks compared to non-DSS-primed control mice...
April 18, 2018: Inflammation
https://www.readbyqxmd.com/read/29666944/macrophages-play-an-essential-role-in-trauma-induced-sterile-inflammation-and-tissue-repair
#3
REVIEW
Moritz Peiseler, Paul Kubes
Severe trauma is accompanied by a profound activation of the immune system. Patients with polytrauma develop systemic inflammatory response syndrome (SIRS) and often sepsis, which contributes substantially to high mortality of this condition. On a cellular level, necrosis and loss of plasma membrane integrity lead to the release of endogenous "damage-associated molecular patterns" (DAMPs) as danger signals, which in turn activate innate immune cells. Inflammation that occurs in the absence of invading pathogens has been termed sterile inflammation and trauma with tissue damage represents an acute form of sterile inflammation...
April 17, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29666932/-complex-regional-pain-syndrome-crps-an-update
#4
V Dimova, F Birklein
The acute phase of complex regional pain syndrome (CRPS) is pathophysiologically characterized by an activation of the immune system and its associated inflammatory response. During the course of CRPS, central nervous symptoms like mechanical hyperalgesia, loss of sensation, and body perception disorders develop. Psychological factors such as pain-related anxiety and traumatic events might have a negative effect on the treatment outcome. While the visible inflammatory symptoms improve, the pain often persists...
April 17, 2018: Der Schmerz
https://www.readbyqxmd.com/read/29665882/effects-of-antibiotic-resistance-ar-and-microbiota-shifts-on-campylobacter-jejuni-mediated-diseases
#5
Phillip T Brooks, Linda S Mansfield
Campylobacter jejuni is an important zoonotic pathogen recently designated a serious antimicrobial resistant (AR) threat. While most patients with C. jejuni experience hemorrhagic colitis, serious autoimmune conditions can follow including inflammatory bowel disease (IBD) and the acute neuropathy Guillain Barré Syndrome (GBS). This review examines inter-relationships among factors mediating C. jejuni diarrheal versus autoimmune disease especially AR C. jejuni and microbiome shifts. Because both susceptible and AR C...
December 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/29662788/skeletal-muscle-regeneration-is-modulated-by-inflammation
#6
REVIEW
Wenjun Yang, Ping Hu
Skeletal muscle regeneration is a complex process orchestrated by multiple steps. Recent findings indicate that inflammatory responses could play central roles in bridging initial muscle injury responses and timely muscle injury reparation. The various types of immune cells and cytokines have crucial roles in muscle regeneration process. In this review, we briefly summarise the functions of acute inflammation in muscle regeneration. The translational potential of this article: Immune system is closely relevant to the muscle regeneration...
April 2018: Journal of Orthopaedic Translation
https://www.readbyqxmd.com/read/29662489/immunological-approaches-towards-cancer-and-inflammation-a-cross-talk
#7
REVIEW
Xinglong Qu, Ying Tang, Shucheng Hua
The inflammation is the protective response of the body against various harmful stimuli; however, the aberrant and inappropriate activation tends to become harmful. The acute inflammatory response tends to resolved once the offending agent is subside but this acute response becomes chronic in nature when the body is unable to successfully neutralized the noxious stimuli. This chronic inflammatory microenvironment is associated with the release of various pro-inflammatory and oncogenic mediators such as nitric oxide (NO), cytokines [IL-1β, IL-2, interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α)], growth factor, and chemokines...
2018: Frontiers in Immunology
https://www.readbyqxmd.com/read/29662478/balb-c-and-c57bl-6-mice-cytokine-responses-to-trypanosoma-cruzi-infection-are-independent-of-parasite-strain-infectivity
#8
Bianca L Ferreira, Éden R Ferreira, Marlon V de Brito, Bruno R Salu, Maria L V Oliva, Renato A Mortara, Cristina M Orikaza
Trypanosoma cruzi is the etiologic agent of Chagas' disease, which affects 6-7 million people worldwide. Different strains of T. cruzi present specific genotypic and phenotypic characteristics that affect the host-pathogen interactions, and thus, the parasite has been classified into six groups (TcI to TcVI). T. cruzi infection presents two clinical phases, acute and chronic, both with distinct characteristics and important participation by the immune system. However, the specific contributions of parasite and host factors in the disease phases are not yet fully understood...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29662323/investigation-of-chronic-efficacy-and-safety-profile-of-two-potential-anti-inflammatory-bipyrazole-based-compounds-in-experimental-animals
#9
Souraya Domiati, Mohammed Mehanna, Hanan Ragab, Hania Nakkash Chmaisse, Ahmed El Mallah
Purpose: Although nonsteroidal anti-inflammatory drugs are widely used to treat a variety of disorders, their administration is associated with gastrointestinal side effects, acute kidney injury and liver enzymes' elevation. Accordingly, researchers are encouraged to create novel agents with better safety profile. The aim of the current study was to evaluate the chronic efficacy and safety profile of two compounds previously proven to have acceptable acute anti-inflammatory and analgesic activities...
2018: Journal of Inflammation Research
https://www.readbyqxmd.com/read/29661938/dual-functionality-of-%C3%AE-tryptase-protomers-as-both-proteases-and-cofactors-in-the-active-tetramer
#10
Henry R Maun, Peter S Liu, Yvonne Franke, Charles Eigenbrot, William F Forrest, Lawrence B Schwartz, Robert A Lazarus
Human β-tryptase, a tetrameric trypsin-like serine protease, is an important mediator of the allergic inflammatory responses in asthma. During acute hypersensitivity reactions, mast cells degranulate, releasing active tetramer as a complex with proteoglycans. Extensive efforts have focused on developing therapeutic β-tryptase inhibitors, but its unique activation mechanism is less well explored. Tryptase is active only after proteolytic removal of the pro-domain followed by tetramer formation via two distinct symmetry-related interfaces...
April 16, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29661435/transient-elastography-in-acute-cellular-rejection-following-liver-transplantation-systematic-review
#11
L S Nacif, C D C Gomes, M N Mischiatti, V Kim, D Paranaguá-Vezozzo, G L Reinoso, F J Carrilho, L C D'Albuquerque
BACKGROUND: Transient elastography (TE) is a noninvasive technique that measures liver stiffness. When an inflammatory process is present, this is shown by elevated levels of stiffness. Acute cellular rejection (ACR) is a consequence of an inflammatory response directed at endothelial and bile epithelial cells, and it is diagnosed through liver biopsy. This is a systematic review of the viability of TE in ACR following liver transplantation. METHODS: The Cochrane Library, Embase, and Medline PubMed databases were searched and updated to November 2016...
April 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29661181/tlr4-modulates-inflammatory-gene-targets-in-the-retina-during-bacillus-cereus-endophthalmitis
#12
Phillip S Coburn, Frederick C Miller, Austin L LaGrow, Salai Madhumathi Parkunan, C Blake Randall, Rachel L Staats, Michelle C Callegan
BACKGROUND: Endophthalmitis is a serious intraocular infection that frequently results in significant inflammation and vision loss. Because current therapeutics are often unsuccessful in mitigating damaging inflammation during endophthalmitis, more rational targets are needed. Toll-like receptors (TLRs) recognize specific motifs on invading pathogens and initiate the innate inflammatory response. We reported that TLR4 contributes to the robust inflammation which is a hallmark of Bacillus cereus endophthalmitis...
April 16, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29660395/endogenous-pgi-2-signaling-through-ip-inhibits-neutrophilic-lung-inflammation-in-lps-induced-acute-lung-injury-mice-model
#13
Shinji Toki, Weisong Zhou, Kasia Goleniewska, Sara Reiss, Daniel E Dulek, Dawn C Newcomb, William E Lawson, R Stokes Peebles
Endogenous prostaglandin I2 (PGI2 ) has inhibitory effects on immune responses against pathogens or allergens; however, the immunomodulatory activity of endogenous PGI2 signaling in endotoxin-induced inflammation is unknown. To test the hypothesis that endogenous PGI2 down-regulates endotoxin-induced lung inflammation, C57BL/6 wild type (WT) and PGI2 receptor (IP) KO mice were challenged intranasally with LPS. Urine 6-keto-PGF1α , a stable metabolite of PGI2, was significantly increased following the LPS-challenge, suggesting that endogenous PGI2 signaling modulates the host response to LPS-challenge...
April 13, 2018: Prostaglandins & Other Lipid Mediators
https://www.readbyqxmd.com/read/29659378/osteoimmunology-effects-of-standard-orthopaedic-interventions-on-inflammatory-response-and-early-fracture-healing
#14
Prism S Schneider, Emilie Sandman, Paul A Martineau
Achieving fracture union is highly dependent on the initial inflammatory phase of fracture healing, which is influenced by both the local and systemic inflammatory environments. The rapidly emerging field of osteoimmunology involves the study of the interactions between the immune system and the skeletal system. Recent research has advanced the current state of knowledge regarding the effects of the surrounding soft-tissue injury, fracture hematoma, and the method of fracture fixation on the inflammatory phase of fracture healing...
April 13, 2018: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29659080/influence-of-fitness-and-age-on-the-endothelial-response-to-acute-inflammation
#15
Elizabeth C Schroeder, Abbi D Lane-Cordova, Sushant M Ranadive, Tracy Baynard, Bo Fernhall
NEW FINDINGS: What is the central question of the study? The purpose of this study was to determine the effect of age and fitness on the vascular response to acute inflammation in younger and older adults. What is the main finding and its importance? In older adults, cardiorespiratory fitness level has a differential impact on endothelial function following acute inflammation: older moderately fit adults have a greater decrease in endothelial function, similar to that of younger adults...
April 16, 2018: Experimental Physiology
https://www.readbyqxmd.com/read/29656888/animal-models-of-acute-otitis-media-a-review-with-practical-implications-for-laboratory-research
#16
N H Davidoss, Y K Varsak, P L Santa Maria
Considerable animal research has focused on developing new strategies for the prevention and treatment of acute otitis media (AOM). Several experimental models of AOM have thus been developed. A PubMed search of the English literature was conducted from 1975 to July 2016 using the search terms "animal model" and "otitis media" from which 91 published studies were included for analysis, yielding 123 animal models. The rat, mouse and chinchilla are the preferred animals for experimental AOM models with their individual advantages and disadvantages...
April 12, 2018: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/29656802/impact-on-the-brain-of-the-inflammatory-response-to-surgery
#17
Sarah Saxena, Mervyn Maze
The brain is both the orchestrator as well as the target of the innate immune system's response to the aseptic trauma of surgery. When trauma-induced inflammation is not appropriately regulated persistent neuro-inflammation interferes with the synaptic plasticity that underlies the learning and memory aspects of cognition. The complications that ensue, include postoperative delirium (POD) and postoperative cognitive dysfunction (POCD) at two poles of a constellation that is now termed perioperative neurocognitive disorders...
April 12, 2018: La Presse Médicale
https://www.readbyqxmd.com/read/29656714/epidemiology-of-sepsis-in-intensive-care-units-in-turkey-a-multicenter-point-prevalence-study
#18
Nur Baykara, Halis Akalın, Mustafa Kemal Arslantaş, Volkan Hancı, Çiğdem Çağlayan, Ferda Kahveci, Kubilay Demirağ, Canan Baydemir, Necmettin Ünal
BACKGROUND: The prevalence and mortality of sepsis are largely unknown in Turkey, a country with high antibiotic resistance. A national, multicenter, point-prevalence study was conducted to determine the prevalence, causative microorganisms, and outcome of sepsis in intensive care units (ICUs) in Turkey. METHODS: A total of 132 ICUs from 94 hospitals participated. All patients (aged > 18 years) present at the participating ICUs or admitted for any duration within a 24-h period (08:00 on January 27, 2016 to 08:00 on January 28, 2016) were included...
April 16, 2018: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29656208/akt-mtor-and-nf-%C3%AE%C2%BAb-pathway-activation-in-treponema-pallidum-stimulates-m1-macrophages
#19
Li-Rong Lin, Zheng-Xiang Gao, Yong Lin, Xiao-Zhen Zhu, Wei Liu, Dan Liu, Kun Gao, Man-Li Tong, Hui-Lin Zhang, Li-Li Liu, Yao Xiao, Jian-Jun Niu, Fan Liu, Tian-Ci Yang
The polarization of macrophages and the molecular mechanism involved during the early process of syphilis infection remain unknown. This study was conducted to explore the influence of Treponema pallidum (T. pallidum) treatment on macrophage polarization and the Akt-mTOR-NFκB signaling pathway mechanism involved in this process. M0 macrophages derived from the phorbol-12-myristate-13-acetate-induced human acute monocytic leukemia cell line THP-1 were cultured with T. pallidum. T. pallidum induced inflammatory cytokine (IL-1β and TNF-α) expression in a dose- and time-dependent manner...
April 12, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29655793/inhibition-of-nlrp9b-attenuates-acute-lung-injury-through-suppressing-inflammation-apoptosis-and-oxidative-stress-in-murine-and-cell-models
#20
Qiu Yanling, Cheng Xiaoning, Bai Fei, Fang Liyun, Hu Huizhong, Sun Daqing
Acute lung injury (ALI), known a severe disease along with high morbidity and mortality, is lacking of specific therapies. Inflammation, apoptosis and oxidative stress are critical pathologies that contribute to ALI. Recently, there is study indicated that NLRP9b, a NOD-like receptor (NLR) member, is critical in modulation of inflammatory response. However, the effects of NLRP9b on sepsis-associated ALI, and the underlying molecular mechanism have not been understood. In the present study, the wild type (WT) and NLRP9b-knockout (NLRP9b-/- ) mice with C57B/L6 background were subjected to a cecal ligation and puncture (CLP) for ALI murine model establishment...
April 12, 2018: Biochemical and Biophysical Research Communications
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