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https://www.readbyqxmd.com/read/29778842/curcumin-attenuates-sepsis-induced-acute-organ-dysfunction-by-preventing-inflammation-and-enhancing-the-suppressive-function-of-tregs
#1
Longwang Chen, Yang Lu, Linjun Zhao, Lili Hu, Qiaomeng Qiu, Zhuoling Zhang, Mengfang Li, Guangliang Hong, Bing Wu, Guangju Zhao, Zhongqiu Lu
Sepsis is characterized by the extensive release of cytokines and other mediators. It results in a dysregulated immune response and can lead to organ damage and death. Curcumin has anti-inflammatory properties and immunoregulation functions in various disorders such as sepsis, cancer, rheumatoid arthritis, cardiovascular diseases, lung fibrosis, gallstone formation, and diabetes. This paper investigates the effects of curcumin on immune status and inflammatory response in mice subjected to cecal ligation and puncture (CLP)...
May 17, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29765498/edaravone-improves-septic-cardiac-function-by-inducing-an-hif-1-%C3%AE-ho-1-pathway
#2
Chao He, Wei Zhang, Suobei Li, Wei Ruan, Junmei Xu, Feng Xiao
Septic myocardial dysfunction remains prevalent and raises mortality rate in patients with sepsis. During sepsis, tissues undergo tremendous oxidative stress which contributes critically to organ dysfunction. Edaravone, a potent radical scavenger, has been proved beneficial in ischemic injuries involving hypoxia-inducible factor- (HIF-) 1, a key regulator of a prominent antioxidative protein heme oxygenase- (HO-) 1. However, its effect in septic myocardial dysfunction remains unclarified. We hypothesized that edaravone may prevent septic myocardial dysfunction by inducing the HIF-1/HO-1 pathway...
2018: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29762676/interleukin-38-is-a-protective-cytokine-for-lethal-sepsis
#3
Fang Xu, Shihui Lin, Xingxing Yan, Chuanjiang Wang, Hongmei Tu, Yibing Yin, Ju Cao
Background: IL-38 is the most recently characterized cytokine of the IL-1 family. However, its role in sepsis remains unknown. Methods: Circulating IL-38 was measured in two cohorts of adult and pediatric patients with sepsis. Using two murine models of lipopolysaccharide (LPS)-induced endotoxinemia and cecal ligation and puncture (CLP)-induced sepsis, the effects of IL-38 on survival, inflammation, tissue injury, or bacterial clearance were assessed. Results: Serum IL-38 concentrations were significantly elevated in adult and pediatric patients with sepsis relative to corresponding healthy adult and pediatric controls, respectively...
May 12, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29760586/atorvastatin-and-diacerein-reduce-insulin-resistance-and-increase-disease-tolerance-in-rats-with-sepsis
#4
K L C da Silva, A P Camacho, F C Mittestainer, B M Carvalho, A Santos, D Guadagnini, A G Oliveira, M J A Saad
Background: Sepsis is one of the leading causes of death among hospitalized patients. At the onset of this condition, there is an over-production of pro-inflammatory mediators that contribute to organ failure and death. The excess production of pro-inflammatory mediators also impairs insulin signaling, which may be a pathophysiological tissue marker of proinflammatory cytokine action before organ failure. Statins and diacerein have pleiotropic effects, such as the blockage of inflammatory signaling pathways, suggesting that these drugs may be an attractive therapeutic or prophylactic strategy against sepsis...
2018: Journal of Inflammation
https://www.readbyqxmd.com/read/29760192/circadian-rhythms-influence-the-severity-of-sepsis-in-mice-via-a-tlr2-dependent-leukocyte-intrinsic-mechanism
#5
Erica L Heipertz, Jourdan Harper, Charlie A Lopez, Erol Fikrig, Michael E Hughes, Wendy E Walker
Circadian rhythms coordinate an organism's activities and biological processes to the optimal time in the 24-h daylight cycle. We previously demonstrated that male C57BL/6 mice develop sepsis more rapidly when the disease is induced in the nighttime versus the daytime. In this report, we elucidate the mechanism of this diurnal difference. Sepsis was induced via cecal ligation and puncture (CLP) at zeitgeber time (ZT)-19 (2 am) or ZT-7 (2 pm). Like the males used in our prior study, female C57BL/6 mice had a worse outcome when CLP was induced at ZT-19 versus ZT-7, and these effects persisted when we pooled the data from both sexes...
May 14, 2018: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/29756489/sevoflurane-exerts-brain-protective-effects-against-sepsis-associated-encephalopathy-and-memory-impairment-through-caspase-3-9-and-bax-bcl-signaling-pathway-in-a-rat-model-of-sepsis
#6
Nurdan Bedirli, Emin Umit Bagriacik, Guldal Yilmaz, Zerrin Ozkose, Mustafa Kavutçu, Aslı Cavunt Bayraktar, Abdulkadir Bedirli
Objective We compared the effects of sevoflurane and isoflurane on systemic inflammation, sepsis-associated encephalopathy, and memory impairment in a rat sepsis model of cecal ligation and puncture (CLP)-induced polymicrobial peritonitis. Methods Twenty-four rats were assigned to sham, CLP, CLP + sevoflurane, and CLP + isoflurane groups. At 72 hours after CLP, the rats underwent behavior tests. Serum cytokines were evaluated. Brain tissue samples were collected for determination of glutathione peroxidase (GPX), superoxide dismutase (SOD), and catalase; the wet/dry weight ratio; myeloperoxidase (MPO) and malondialdehyde (MDA); apoptotic gene release; and histologic examinations...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29752615/effects-of-simvastatin-on-the-function-of-splenic-cd4-and-cd8-t-cells-in-sepsis-mice
#7
Bingbing Kong, Xiaofeng Wang, Wenping Yang, Xin Zhao, Rong Zhang, Yu Wang
Simvastatin may be beneficial for treating sepsis due to its immune-regulating properties, although the mechanisms remain elusive. Herein, we hypothesized simvastatin may attenuate T cell dysfunction induced by sepsis. To test this hypothesis, we used a model based on cecal ligation and puncture (CLP) to induce sepsis in mice. Male C57BL/6 mice were pre-treated with simvastatin (0.2 μg/g of body weight) before CLP. The expression of B and T lymphocyte attenuator (BTLA) on splenic CD4+ T cells and T cell apoptosis, CD4+ and CD8+ T cells were quantified by flow cytometry...
May 11, 2018: Immunologic Research
https://www.readbyqxmd.com/read/29749709/bacteria-induced-susceptibility-to-candida-albicans-superinfection-in-mice-via-monocyte-methyltransferase-setdb2
#8
Chen Xiao-Ping, Zheng Hao, Li Wen-Ge, Chen Guo-Dong, Lu Jin-Xing
Systemic bacterial infections are prone to secondary Candida albicans superinfection. However, the molecular mechanisms involved remain poorly understood. In this study, a model comprising sub-lethal cecal ligation and puncture (CLP) plus C. albicans intravenous injection (i.v.) was applied to mimic the situation in superinfection. Compared with mice without systemic bacterial infection, mice with systemic bacterial infection had lower anti-fungal gene expression (including Il1b, Tnf, Il6, Ifnb, Ifng, Cxcl1, and Ccr2) in monocytes, and less inflammatory monocytes and neutrophils infiltrating into the kidney when challenged with C...
May 11, 2018: Cellular Microbiology
https://www.readbyqxmd.com/read/29749463/apelin-protects-against-sepsis%C3%A2-induced-cardiomyopathy-by-inhibiting-the-tlr4-and-nlrp3-signaling-pathways
#9
Qiancheng Luo, Guorong Liu, Guo Chen, Dongfeng Guo, Lei Xu, Min Hang, Mingming Jin
The mechanism underlying sepsis‑induced cardiomyopathy (SICM) remains unclear. The aim of the present study was therefore to illuminate the mechanisms and effects of apelin on SICM, using both patient clinical features and a sepsis rat model. A total of 73 adult patients with or without sepsis were analyzed. Male rats were used to generate the sepsis model through cecal ligation and puncture (CLP). The clinical analysis results demonstrated that sepsis induced cardiac dysfunction, including a decrease of left ventricular end‑diastolic dimension, fractional shortening, ejection fraction, left ventricular end‑systolic dimension, and stroke volume, compared with healthy controls...
May 9, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29742363/differences-in-weight-loss-and-recovery-after-cleft-lip-and-palate-repair
#10
Alison Kaye, Columbine Che
OBJECTIVE: To determine the degree of weight loss, time to regain lost weight, and impact on postoperative outcomes after primary cleft lip (CL) and cleft palate (CP) repair. DESIGN: Single institution retrospective. PATIENTS: Two hundred seven patients who underwent primary CL and/or CP repair procedures. RESULTS: One hundred thirty primary CL repairs (isolated CL = 59; cleft lip and palate [CLP] = 71) and 140 primary CP repairs (isolated CP = 72; CLP = 69): At the first postoperative visit, 21...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29741778/gadd45%C3%AE-plays-a-protective-role-in-acute-lung-injury-by-regulating-apoptosis-in-experimental-sepsis-in-vivo
#11
Sung-Je Moon, Hyun-Yong Kim, Yong-Hoon Kim, Kyoung-Shim Kim, Jung-Ran Noh, Hyun-Jong Kim, Ji-Hyun Choi, Jung H Hwang, Chul-Ho Lee
Sepsis is a systemic inflammatory response syndrome due to microbial infection. Growth arrest and DNA-damage-inducible 45 beta (GADD45β) are induced by genotoxic stress and inflammatory cytokines. However, the role of GADD45β during bacterial infection remains unclear. This study was aimed at investigating the role of GADD45β in sepsis. We used GADD45β-knockout (KO) mice and C57BL/6J wild-type (WT) mice. Experimental sepsis was induced by lipopolysaccharide (LPS) administration or cecal ligation and puncture (CLP)...
May 9, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29741098/monophosphoryl-lipid-a-prevents-impairment-of-medullary-thick-ascending-limb-hco-3-absorption-and-improves-plasma-hco-3-concentration-in-septic-mice
#12
Bruns A Watts, Thampi George, Edward R Sherwood, David W Good
Metabolic acidosis is the most common acid-base disorder in septic patients and is associated with increased mortality. Previously we demonstrated that sepsis induced by cecal ligation and puncture (CLP) impairs HCO3 - absorption in the MTAL by: 1) decreasing the intrinsic HCO3 - absorptive capacity, and 2) enhancing inhibition of HCO3 - absorption by LPS through upregulation of TLR4 signaling. Both effects depend on ERK activation. Monophosphoryl lipid A (MPLA) is a detoxified TLR4 agonist that enhances innate antimicrobial immunity and improves survival following sepsis...
May 9, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29738291/evaluation-of-nasal-airway-volume-of-operated-unilateral-cleft-lip-and-palate-patients-compared-with-skeletal-class-iii-individuals
#13
Ümit Ertaş, Mert Ataol
Cleft lip and palate (CLP) patients have various problems with nasal anatomy beyond just oronasal separation. The alar base, concha, and septum are over impressed in these individuals. Additionally, skeletal class III deformity is seen. These conditions may limit nasal function. In our study, 15 unilateral patients with CLP older than 15 years (10 females, 5 males; mean age: 19.13) who had received surgery were included as the study group, and 15 participants with noncleft skeletal class III deformities were included as the control group (10 females, 5 males; mean age: 19...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29738290/mean-goslon-yardstick-scores-after-3-different-treatment-protocols-a-long-term-study-of-patients-with-unilateral-cleft-lip-and-palate
#14
Petra Peterson, Michael Mars, Alan Gowans, Ola Larson, Erik Neovius, Gunilla Henningsson, Anna Andlin-Sobocki, Marie Pegelow, Mathias Lemberger, Liisi M Raud-Westberg, Agneta L-A Karsten
OBJECTIVES: (1) To evaluate dental arch relationships, with the Great Ormond Street, London and Oslo (GOSLON) Yardstick, of participants with Unilateral cleft lip and palate (UCLP) and treated with 1-stage palatal closure with 3 different surgical protocols (2) to compare the mean GOSLON ratings with other CLP centers. DESIGN: Retrospective study of medical charts and dental models. SETTING: Karolinska University Hospital, Stockholm, Sweden...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29737475/effect-of-a-stellate-ganglion-block-on-acute-lung-injury-in-septic-rats
#15
Yong Chen, Lian Guo, Haili Lang, Xiaolan Hu, Sun Jing, Mengsi Luo, Guohai Xu, Zhidong Zhou
A stellate ganglion block (SGB) is a clinical sympathetic block which can inhibit the body systemic inflammatory response. However, whether and how SGB can attenuate the sepsis-induced acute lung injury remains unclear. Here, we evaluated the effect of SGB on sepsis-induced acute lung injury in rats. Ninety healthy Sprague Dawley (SD) male rats were divided into three groups: the sham operation group (S group), sepsis group (Sep group), and SGB group. The sepsis model rats were produced by cecum ligation and puncture (CLP), and blood samples were taken from the abdominal aorta of the rats at different time points for evaluating the concentration of TNF-α, IL-6, and IL-10 by enzyme-linked immunosorbent assay (ELISA)...
May 8, 2018: Inflammation
https://www.readbyqxmd.com/read/29736913/effects-of-caffeine-on-behavioural-and-cognitive-deficits-in-rats
#16
Melissa S Assis, Aluízio C Soares, Dircilei N de Sousa, João Eudes-Filho, Lilian Rosana F Faro, Fabiana P Carneiro, Mônica V da Silva, Andrea B Motoyama, Greice Maria R de Souza, Stéphanie Marchiori, Nadyelle T de Lima, Raphael Boëchat-Barros, Vania M Ferreira
There are many studies that have sought to find drug therapies to prevent harm arising from sepsis. Such studies have represented a progress in the support to septic patients and also in the development of new pharmacological alternatives. Our interest was to investigate the caffeine effect on sepsis behavioural and memory impairments. Male rats were anaesthetized and the surgery was made to allow exposure of the cecum, which was then squeezed to extrude a small amount of faeces from the perforation site, which was later placed back into the peritoneal cavity...
May 7, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29736200/adipose-derived-mesenchymal-stem-cell-derived-exosomes-alleviate-overwhelming-systemic-inflammatory-reaction-and-organ-damage-and-improve-outcome-in-rat-sepsis-syndrome
#17
Chia-Lo Chang, Pei-Hsun Sung, Kuan-Hung Chen, Pei-Lin Shao, Chih-Chao Yang, Ben-Chung Cheng, Kun-Chen Lin, Chih-Hung Chen, Han-Tan Chai, Hsueh-Wen Chang, Hon-Kan Yip, Hong-Hwa Chen
This study tested the hypothesis that healthy adipose-derived mesenchymal stem cell (ADMSC)-derived exosomes (HMSCEXO ) and apoptotic (A) (induced by 12 h hypoxia/12 h starvation)-ADMSC-derived exosomes (AMSCEXO ) were comparably effective at alleviating sepsis syndrome [SS; induced by cecal-ligation and puncture (CLP)]-induced systemic inflammation and reduced organ damage and unfavorable outcomes in rats. SD rats were divided into sham control (SC), SS only, SS + HMSCEXO (100 µg intravenous administration 3 h after CLP), and AMSCEXO ...
2018: American Journal of Translational Research
https://www.readbyqxmd.com/read/29733849/dexmedetomidine-restores-septic-renal-function-via-promoting-inflammation-resolution-in-a-rat-sepsis-model
#18
Rongzong Qiu, Weifeng Yao, Haocong Ji, Dongdong Yuan, Xiaofeng Gao, Weiping Sha, Fei Wang, Pinjie Huang, Ziqing Hei
BACKGROUND: Acute kidney injury occurred after sepsis, resulting in high mortality. This research aims to elucidate the mechanistic effect of DEX on the renal inflammation resolution during sepsis in rats. METHODS: The rats were randomly divided into a sham group and the other three cecal ligation and puncture (CLP) model groups, based on different treatments: placebo, DEX and 2-adrenergic receptor (AR) inhibitor atipamezole (AT) treatment (DEX + AT) groups...
May 4, 2018: Life Sciences
https://www.readbyqxmd.com/read/29731815/oral-lichen-planus-and-malignant-transformation-the-role-of-p16-ki-67-bub-3-and-sox4-in-assessing-precancerous-potential
#19
Eduardo Augusto Rosa, Aura Maria Hurtado-Puerto, Denise Pinheiro Falcão, Aline Patricia Brietzke, Luiz Eduardo De Almeida Prado Franceschi, Florlorêncio Figueiredo Cavalcanti Neto, Valdenize Tiziane, Fabiana Pirani Carneiro, Evelyn Mikaela Kogawa, Heitor Moreno, Rivadávio Fernandes Batista Amorim
The association of oral lichen planus (OLP) lesions with malignant transformation risk has remained a controversial topic and is of clinical importance. Therefore, the present study evaluated the expression levels of p16, Ki-67, budding uninhibited by benzimidazoles 3 (Bub-3) and sex-determining region Y-related high mobility group box 4 (SOX4), and their roles as precancerous biomarkers in OLP. A retrospective study was performed, in which tissue blocks of OLP, oral dysplasia (OD), cutaneous lichen planus (CLP) and oral fibrous hyperplasia (OFH) were used (n=120)...
May 2018: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29731661/electrophysiologic-alterations-in-the-excitability-of-the-sciatic-and-vagus-nerves-during-early-stages-of-sepsis
#20
Lúcio Ricardo Leite Diniz, Viviane Gomes Portella, Kerly Shamira da Silva Alves, Pâmella Cristina da Costa Araújo, Ricardo Luiz Cavalcanti de Albuquerque Júnior, Aline Alice Cavalcante de Albuquerque, Andrelina Noronha Coelho-de-Souza, José Henrique Leal-Cardoso
Background: Nonspecific and delayed diagnosis of neurologic damage contributes to the development of neuropathies in patients with severe sepsis. The present study assessed the electrophysiologic parameters related to the excitability and conductibility of sciatic and vagus nerves during early stages of sepsis. Materials and methods: Twenty-four hours after sepsis induced by cecal ligation and puncture (CLP) model, sciatic and vagus nerves of septic (CLP group) and control (sham group) rats were removed, and selected electric stimulations were applied to measure the parameters of the first and second components of the compound action potential...
2018: Journal of Pain Research
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