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https://www.readbyqxmd.com/read/29048409/maternal-milk-feedings-reduce-sepsis-necrotizing-enterocolitis-and-improve-outcomes-of-premature-infants
#1
J Cortez, K Makker, D F Kraemer, J Neu, R Sharma, M L Hudak
OBJECTIVE: Human milk (donor milk (DM) and/or maternal milk (MM)) feedings protect against late onset sepsis (LOS), necrotizing enterocolitis (NEC) and death. However, DM lacks many anti-infective components of MM. Therefore, we studied exclusive MM feedings to evaluate the full effect of human milk on infectious and other outcomes in premature infants. STUDY DESIGN: All infants born before 33 weeks postmenstrual age (PMA) who received exclusive (>95%) MM or exclusive preterm formula (PF) were included in this prospective investigation...
October 19, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29048364/protective-effect-of-argan-and-olive-oils-against-lps-induced-oxidative-stress-and-inflammation-in-mice-livers
#2
Soufiane El Kamouni, Riad El Kebbaj, Pierre Andreoletti, Abderrahim El Ktaibi, Issam Rharrassi, Abdelkhalid Essamadi, M'hammed Saïd El Kebbaj, Stéphane Mandard, Norbert Latruffe, Joseph Vamecq, Boubker Nasser, Mustapha Cherkaoui-Malki
Sepsis causes severe dysregulation of organ functions, via the development of oxidative stress and inflammation. These pathophysiological mechanisms are mimicked in mice injected with bacterial lipopolysaccharide (LPS). Here, protective properties of argan oil against LPS-induced oxidative stress and inflammation are explored in the murine model. Mice received standard chow, supplemented with argan oil (AO) or olive oil (OO) for 25 days, before septic shock was provoked with a single intraperitoneal injection of LPS, 16 hours prior to animal sacrifice...
October 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29042256/antiseptic-effects-of-dabrafenib-on-tgfbip-induced-septic-responses
#3
In-Chul Lee, Jong-Sup Bae
Transforming growth factor-β-induced protein (TGFBIp), an extracellular protein, is expressed on several cell types in response to TGF-β stimulation. Human umbilical vein endothelial cell (HUVEC)-derived TGFBIp functions as a mediator of sepsis. Screening of bioactive compound libraries is an effective approach for repositioning FDA-approved drugs or discovering new treatments for human diseases (drug repositioning). Dabrafenib (DAB), a B-Raf inhibitor, was initially used for treating metastatic melanoma...
October 14, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29038123/lactobacillus-rhamnosus-l34-attenuates-gut-translocation-induced-bacterial-sepsis-in-murine-models-of-leaky-gut
#4
Wimonrat Panpetch, Wiwat Chancharoenthana, Kanthika Bootdee, Sumanee Nilgate, Malcolm Finkelman, Somying Tumwasorn, Asada Leelahavanichkul
Gastrointestinal (GI) bacterial translocation in sepsis is well-known but the role of the probiotics, Lactobacillus spp., is still controversial. We evaluated the therapeutic effects of Lactobacillus rhamnosus L34 in a new sepsis model of oral administration of pathogenic bacteria, with GI leakage induced by either an antibiotic cocktail (ATB) and/or dextran sulfate sodium (DSS).GI-leakage with ATB, DSS and DSS+ATB was demonstrated by FITC-dextran translocation to the circulation. Administration of pathogenic bacteria, either Klebsiella pneumoniae or Salmonella enterica serovar Typhimurium, enhanced the translocation...
October 16, 2017: Infection and Immunity
https://www.readbyqxmd.com/read/29037205/vildagliptin-ameliorates-pulmonary-fibrosis-in-lipopolysaccharide-induced-lung-injury-by-inhibiting-endothelial-to-mesenchymal-transition
#5
Toshio Suzuki, Yuji Tada, Santhi Gladson, Rintaro Nishimura, Iwao Shimomura, Satoshi Karasawa, Koichiro Tatsumi, James West
BACKGROUND: Pulmonary fibrosis is a late manifestation of acute respiratory distress syndrome (ARDS). Sepsis is a major cause of ARDS, and its pathogenesis includes endotoxin-induced vascular injury. Recently, endothelial-to-mesenchymal transition (EndMT) was shown to play an important role in pulmonary fibrosis. On the other hand, dipeptidyl peptidase (DPP)-4 was reported to improve vascular dysfunction in an experimental sepsis model, although whether DPP-4 affects EndMT and fibrosis initiation during lipopolysaccharide (LPS)-induced lung injury is unclear...
October 16, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29035425/inhaled-versus-systemic-corticosteroids-for-the-treatment-of-bronchopulmonary-dysplasia-in-ventilated-very-low-birth-weight-preterm-infants
#6
REVIEW
Sachin S Shah, Arne Ohlsson, Henry L Halliday, Vibhuti S Shah
BACKGROUND: This is an update of a review published in 2012. A related review "Inhaled versus systemic corticosteroids for preventing bronchopulmonary dysplasia in ventilated very low birth weight preterm neonates" has been updated as well. Bronchopulmonary dysplasia (BPD) is a serious and common problem among very low birth weight infants, despite the use of antenatal steroids and postnatal surfactant therapy to decrease the incidence and severity of respiratory distress syndrome. Due to their anti-inflammatory properties, corticosteroids have been widely used to treat or prevent BPD...
October 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29034249/misoprostol-inhibits-lipopolysaccharide-induced-pro-inflammatory-cytokine-production-by-equine-leukocytes
#7
Emily Medlin Martin, Kristen M Messenger, Mary Katherine Sheats, Samuel L Jones
Pro-inflammatory cytokines including tumor necrosis factor α (TNFα), IL-1β, IL-6, and IL-8 are potent immune mediators that exacerbate multiple equine diseases such as sepsis and laminitis. Unfortunately, safe and effective cytokine-targeting therapies are lacking in horses; therefore, novel mechanisms of inhibiting cytokine production are critically needed. One potential mechanism for inhibiting cytokine synthesis is elevation of intracellular cyclic AMP (cAMP). In human leukocytes, intracellular cAMP production is induced by activation of E-prostanoid (EP) receptors 2 and 4...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/29031640/the-application-of-mesenchymal-stem-cells-to-treat-thermal-and-radiation-burns
#8
Kathleen Rodgers, Sachin S Jadhav
Mesenchymal stem cells (MSCs) have been developed for a number of indications due to their regenerative and anti-inflammatory phenotypes and their utility is enhanced by the fact that allogeneic transplant is feasible with this cell type. Animal studies and early human cases indicate this has the potential to be an exciting new therapy for treating chronic non-healing wounds such as diabetic ulcers, burns and cutaneous radiation burns. This review will focus on the use of MSCs to treat thermal and radiation burns...
October 11, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29023360/honokiol-increases-cd4-t-cell-activation-and-decreases-tnf-but-fails-to-improve-survival-following-sepsis
#9
Nathan J Klingensmith, Ching-Wen Chen, Zhe Liang, Eileen M Burd, Alton B Farris, Jack L Arbiser, Mandy L Ford, Craig M Coopersmith
Honokiol is a biphenolic isolate extracted from the bark of the magnolia tree that has been used in traditional Chinese and Japanese medicine, and has more recently been investigated for its anti-inflammatory and anti-bacterial properties. Honokiol has previously been demonstrated to improve survival in sepsis models that have rapid 100% lethality. The purpose of this study was to determine the impact of Honokiol on the host response in a model of sepsis that more closely approximates human disease. Male and female C57BL/6 mice underwent cecal ligation and puncture (CLP) to induce polymicrobial intraabdominal sepsis...
October 11, 2017: Shock
https://www.readbyqxmd.com/read/29019941/the-contribution-of-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-to-the-treatment-of-chronic-equine-laminitis-a-proof-of-concept
#10
Mario Angelone, Virna Conti, Cristiano Biacca, Beatrice Battaglia, Laura Pecorari, Francesco Piana, Giacomo Gnudi, Fabio Leonardi, Roberto Ramoni, Giuseppina Basini, Silvia Dotti, Sabrina Renzi, Maura Ferrari, Stefano Grolli
Laminitis, a highly debilitating disease of the foot in ungulates, is characterized by pathological changes of the complex lamellar structures that maintain the appendicular skeleton within the hoof. Laminitis is a multifactorial disease that involves perturbation of the vascular, hematological, and inflammatory homeostasis of the foot. Interestingly, the pathogenesis of the disease resembles what is observed in metabolic syndromes and sepsis-induced organ failure in humans and animals. We hypothesized that local administration of mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) might contribute to establishing an anti-inflammatory and pro-angiogenic environment, and could stimulate the injured tissue in order to restore its functional integrity...
October 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28994737/anti-inflammatory-pyranochalcone-derivative-attenuates-lps-induced-acute-kidney-injury-via-inhibiting-tlr4-nf-%C3%AE%C2%BAb-pathway
#11
Min Shi, Xiaoxi Zeng, Fan Guo, Rongshuang Huang, Yanhuan Feng, Liang Ma, Li Zhou, Ping Fu
Treatment of septic acute kidney injury (AKI) has still been beyond satisfaction, although anti-inflammatory therapy is beneficial for sepsis-induced AKI. Compound 5b was derived from natural pyranochalcones and exhibited potent anti-inflammatory activity in adjuvant-induced arthritis. In this study, we aimed to investigate the renoprotective effects and potential mechanism of 5b against lipopolysaccharide (LPS)-induced AKI. C57BL/6 mice and human renal proximal tubule cell line (HK-2 cell) were treated with LPS, respectively...
October 10, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28993270/reduced-silent-information-regulator-1-signaling-exacerbates-sepsis-induced-myocardial-injury-and-mitigates-the-protective-effect-of-a-liver-x-receptor-agonist
#12
Dong Han, Xiang Li, Shuang Li, Tao Su, Li Fan, Wen-Si Fan, Hong-Yu Qiao, Jiang-Wei Chen, Miao-Miao Fan, Xiu-Juan Li, Ya-Bin Wang, Sai Ma, Ya Qiu, Zu-Hong Tian, Feng Cao
Myocardial injury and dysfunction are critical manifestations of sepsis. Previous studies have reported that liver X receptor (LXR) activation is protective during sepsis. However, whether LXR activation protects against septic heart injury and its underlying mechanisms remain elusive. This study was designed to determine the role of LXR activation in the septic heart with a focus on SIRT1 (silent information regulator 1) signaling. Male cardiac-specific SIRT1 knockout mice (SIRT1-/-) and their wild-type littermates were subjected to sepsis by cecal ligation and puncture (CLP) in the presence or absence of LXR agonist T0901317...
October 7, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28987599/anti-sepsis-protection-of-xuebijing-injection-is-mediated-by-differential-regulation-of-pro-and-anti-inflammatory-th17-and-t-regulatory-cells-in-a-murine-model-of-polymicrobial-sepsis
#13
Xi Chen, Yuxin Feng, Xiya Shen, Guixiang Pan, Guanwei Fan, Xiumei Gao, Jihong Han, Yan Zhu
ETHNOPHARMACOLOGICAL RELEVANCE: Xuebijing injection (XBJ), a Chinese herbal medicine containing extracts from 5 herbs, is frequently used as an add-on with standard therapies to treat sepsis or septic shock with fewer side effects in China. Nonetheless, its mechanism of action on septic shock remains to be unveiled. We explored the differential effects of XBJ on subtypes of CD4+ T cell differentiation and septic shock protection in a murine model to understand the contribution of XBJ to regulation of the inflammation-immune axis function...
October 4, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28979774/early-detection-of-acute-cisplatin-nephrotoxicity-interest-of-urinary-monitoring-of-proximal-tubular-biomarkers
#14
Valérian Bunel, Yasmina Tournay, Thomas Baudoux, Eric De Prez, Marie Marchand, Zita Mekinda, Raphaël Maréchal, Thierry Roumeguère, Marie-Hélène Antoine, Joëlle L Nortier
BACKGROUND: Renal toxicity induced by cisplatin (CisPt) is a clinical issue in patients with or without chronic kidney disease (CKD). Proximal tubular injury can result in acute kidney injury (AKI), which may compromise the course of chemotherapy and the prognosis. The purpose of this study was to investigate the time course of urinary markers of acute tubulotoxicity and to assess the usefulness of such monitoring in a routine clinical setting. METHODS: This work is an open prospective pilot study carried out among 23 patients receiving a platinum-based chemotherapy...
October 2017: Clinical Kidney Journal
https://www.readbyqxmd.com/read/28975862/evaluation-of-anti-sepsis-activity-by-compounds-with-high-affinity-to-lipid-a-from-huanglianjiedu-decoction
#15
Yubin Xu, Song Guo, Guirong Chen, Mingbo Zhang, Xu Zhang, Deqiang Dou
CONTEXT: HuanglianJiedu decoction (HJD) is a classic prescription for heat-clearing away and detoxifying, which is used for the clinical treatment of sepsis, due to sepsis refers to the systemic inflammatory response induced by infection in western medicine, and infection belongs to the category of poison-heat syndrome in traditional Chinese medicine. OBJECTIVES: Previous study had elucidated the effective components from HJD with high affinity to lipid A, which can generate the release of pro-inflammatory-cytokines, resulting in sepsis...
October 4, 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28974828/does-dexamethasone-helps-in-meningococcal-sepsis
#16
Ilir Tolaj, Hamdi Ramadani, Murat Mehmeti, Hatixhe Gashi, Arbana Kasumi, Visar Gashi, Haki Jashari
PURPOSE: Prompt recognition and aggressive early treatment are the only effective measures against invasive meningococcal disease (IMD). Anti-inflammatory adjunctive treatment remains controversial and difficult to assess in patients with IMD. The purpose of this study was to evaluate the effect of dexamethasone (DXM) as adjunctive treatment in different clinical forms of IMD, and attempt to answer if DXM should be routinely used in the treatment of IMD. METHODS: In this non-interventional clinical study (NIS), 39 patients with meningococcal septicaemia with or without of meningitis were included, and compared regarding the impact of dexamethasone (DXM), as an adjunctive treatment, on the outcome of IMD...
June 2017: Medical Archives
https://www.readbyqxmd.com/read/28974543/spleen-derived-ifn-%C3%AE-induces-generation-of-pd-l1-suppressive-neutrophils-during-endotoxemia
#17
Jeroen D Langereis, Peter Pickkers, Stan de Kleijn, Jelle Gerretsen, Marien I de Jonge, Matthijs Kox
The immune inhibitory checkpoint molecule programmed death ligand (PD-L)-1 is increasingly recognized as an important player in the immune suppression observed in patients with sepsis, but its role has mainly been studied in monocytes. In an earlier study, we demonstrated that experimental human endotoxemia results in mobilization of a subset of PD-L1-expressing neutrophils displaying an IFN-γ-induced transcriptome profile. Herein, we identify the source of IFN-γ production during murine endotoxemia and its role in the generation of PD-L1(+)-suppressive neutrophils...
October 3, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28962136/significance-of-hydrogen-sulfide-in-sepsis-induced-myocardial-injury-in-rats
#18
Xiaoqing Li, Qinghong Cheng, Jianhua Li, Yonglai He, Peigang Tian, Chao Xu
Sepsis-induced myocardial injury is a detrimental disorder for intensive care medicine due to its high rates of morbidity and mortality. Data suggest that nuclear factor (NF)-κB serves a critical role in the pathogenesis of myocardial injury. Hydrogen sulfide (H2S) serves an important role in the physiology and pathophysiology of regulatory mechanisms, particularly during an inflammatory reaction. However, the relationship between NF-κB and H2S in sepsis-induced myocardial injury is not well understood, and the underlying mechanisms remain unclear...
September 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28953574/role-of-m2-macrophages-in-sepsis-induced-acute-kidney-injury
#19
Li Xing, Mu Genhua, Song Chunmei, Zhou Liangliang, He Lei, Jin Qin, Lu Zhongqian
BACKGROUND: Sepsis is a major cause of acute kidney injury (AKI), with high rates of morbidity and mortality. M2 macrophages have been shown to play important roles in the secretion of anti-inflammatory and tissue repair mediators. In this study, we investigate the role of M2 macrophages in sepsis-induced AKI by depleting these cells in vivo through the systemic administration of liposomal clodronate (LC). METHODS: Male Sprague-Dawley rats were subjected to cecal ligation and puncture (CLP) or sham surgery...
September 26, 2017: Shock
https://www.readbyqxmd.com/read/28952876/structure-and-characterization-of-a-high-affinity-c5a-monoclonal-antibody-that-blocks-binding-to-c5ar1-and-c5ar2-receptors
#20
Caroline S Colley, Bojana Popovic, Sudharsan Sridharan, Judit E Debreczeni, David Hargeaves, Michael Fung, An Ling-Ling, Bryan Edwards, Joanne Arnold, Elizabeth England, Laura Eghobamien, Ulf Sivars, Liz Flavell, Jonathan Renshaw, Kate Wickson, Paul Warrener, Jingying Zha, Jessica Bonnell, Rob Woods, Trevor Wilkinson, Claire Dobson, Tristan J Vaughan
C5a is a potent anaphylatoxin that modulates inflammation through the C5aR1 and C5aR2 receptors. The molecular interactions between C5a-C5aR1 receptor are well defined, whereas C5a-C5aR2 receptor interactions are poorly understood. Here, we describe the generation of a human antibody, MEDI7814, that neutralizes C5a and C5adesArg binding to the C5aR1 and C5aR2 receptors, without affecting complement-mediated bacterial cell killing. Unlike other anti-C5a mAbs described, this antibody has been shown to inhibit the effects of C5a by blocking C5a binding to both C5aR1 and C5aR2 receptors...
September 27, 2017: MAbs
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