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Inflammation

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https://www.readbyqxmd.com/read/29047038/the-regulatory-roles-of-toll-like-receptor-4-in-secretions-of-type-1-type-2-relative-cytokines-by-splenocytes-and-dendritic-cells-exposed-to-clonorchis-sinensis-excretory-secretory-products
#1
Hui Hua, Ying Du, Rui Ma, Bei-Bei Zhang, Qian Yu, Bo Li, Jiang-Tao Xu, Xiang-Yang Li, Ren-Xian Tang, Chao Yan, Kui-Yang Zheng
The roles of TLR4 in mediation of innate immune response and in regulation of adaptive immune responses triggered by Clonorchis sinensis remain unknown. In the present study, splenocytes derived from C3H/HeN (TLR4 (wild) ) and C3H/Hej mice (TLR4 (mut) ) that were infected with 45 metacercariae of C. sinensis were harvested, then stimulated by C. sinensis excretory/secretory products (ESP) or medium (control) for 48 h, respectively. Meanwhile, bone marrow-derived dendritic cells (BMDCs) from normal C3H/HeN and C3H/Hej mice were prepared and stimulated with medium, ESP, LPS, or ESP+LPS for 24 h, respectively...
October 19, 2017: Inflammation
https://www.readbyqxmd.com/read/29047037/diesel-exhaust-particles-and-the-induction-of-macrophage-activation-and-dysfunction
#2
REVIEW
Akeem O Lawal
Diesel exhaust particles (DEP) are an important component of air particulate matter, generated from the incomplete combustion of fossil fuel in diesel engines. Several epidemiological and experimental data have shown the ability of DEP to induce oxidative stress and pro-inflammatory response as mechanisms in macrophage activation and dysfunction. Macrophages are very important to immunity and immune response due to their ability to phagocyte microbes and parasites. They also respond to toxic chemicals, such as DEP, in the environment and studies have shown that their functions may be impaired by their exposure to DEP...
October 19, 2017: Inflammation
https://www.readbyqxmd.com/read/29047036/the-falconoid-luteolin-mitigates-the-myocardial-inflammatory-response-induced-by-high-carbohydrate-high-fat-diet-in-wistar-rats
#3
Nashwa Abu-Elsaad, Amr El-Karef
Luteolin is a major component of many medicinal plants and traditional medicines. The current study aims at testing its protective effect against high-carbohydrate/high-fat (HCHF) diet-induced cardiac dysfunction in rats. Male Wistar rats were divided into six groups as follows: control group that received standard rat chow, group received HCHF diet (~ 30% carbohydrate and 42% fat) daily for 16 weeks, and four groups received HCHF diet concurrently with luteolin (10, 25, 50 or 100 mg/kg; 10% w/v suspension in 0...
October 19, 2017: Inflammation
https://www.readbyqxmd.com/read/29039143/cd80-regulates-th17-cell-differentiation-in-coxsackie-virus-b3-induced-acute-myocarditis
#4
Yanlan Huang, Yong Li, Bin Wei, Weifeng Wu, Xingcui Gao
The cluster of differentiation protein complex, CD80/CD86, regulates Th1/Th2 differentiation in autoimmune disease. In order to establish the effects of CD80/CD86 on Th17 cell differentiation in acute viral myocarditis (VMC), we infected C57BL/6 mice with Coxsackie virus B3 (CVB3) and examined the effects of the treatment with anti-CD80/CD86 monoclonal antibodies (mAbs) on Th17 cell differentiation in vivo. The effects of anti-CD80/CD86 mAbs on Th17 cell differentiation were further evaluated in vitro. The treatment with anti-CD80 mAb induced marked suppression of Th17 cell differentiation and ROR-γt mRNA expression, whereas anti-CD86 mAb alone had no effect, both in vivo and in vitro...
October 16, 2017: Inflammation
https://www.readbyqxmd.com/read/29022140/experimental-study-of-the-protective-effect-of-simvastatin-on-lung-injury-in-rats-with-sepsis
#5
Yu Wang, Wenping Yang, Xin Zhao, Rong Zhang
Simvastatin, which is primarily prescribed to lower cholesterol, may also mitigate lung injury caused by sepsis, although the mechanisms remain elusive. This study aimed to evaluate the protective effect of simvastatin on acute lung injury in rats with sepsis and to investigate possible mechanisms. Male Wistar rats were pretreated with simvastatin (0.2 μg/g) for 1 week before cecal ligation and puncture. Treatment with simvastatin demonstrated significant decreases in the concentration of protein, TNF-α, IL-1β, IL-6, and lipocalin 2, and the number of polymorphonuclear neutrophils in bronchoalveolar lavage fluid in septic rats...
October 11, 2017: Inflammation
https://www.readbyqxmd.com/read/29019091/preventive-and-therapeutic-effects-of-thymol-in-a-lipopolysaccharide-induced-acute-lung-injury-mice-model
#6
Limei Wan, Dongmei Meng, Hong Wang, Shanhe Wan, Shunjun Jiang, Shanshan Huang, Li Wei, Pengjiu Yu
Acute lung injury (ALI) is a life-threatening syndrome which causes a high mortality rate worldwide. In traditional medicine, lots of aromatic plants-such as some Thymus species-are used for treatment of various lung diseases including pertussis, bronchitis, and asthma. Thymol, one of the primary active constituent derived from Thymus vulgaris (thyme), has been reported to exhibit potent anti-microbial, anti-oxidant, and anti-inflammatory activities in vivo and in vitro. The present study aims to investigate the protective effects of thymol in lipopolysaccharide (LPS)-induced lung injury mice model...
October 10, 2017: Inflammation
https://www.readbyqxmd.com/read/29019070/time-dependent-production-of-endothelium-related-biomarkers-is-affected-differently-in-hemorrhagic-and-septic-shocks
#7
Cenk Nuri Coskun, Suzan Emel Usanmaz, Vahide Savci, Emine Demirel-Yilmaz
Shock is associated with inflammation-induced endothelial dysfunction. The aim of this study was to determine time-dependent alteration of blood biomarkers related to endothelial function in hemorrhagic and septic shocks. Hemorrhagic shock was induced by bleeding the animals. A cecal ligation and incision model was used to induce septicemia. Resuscitation was carried out by infusion of lactated Ringer's solution. Resuscitation extended survival time in both shock groups. Blood pressure increased by resuscitation in the hemorrhagic shock but not in the septic shock...
October 10, 2017: Inflammation
https://www.readbyqxmd.com/read/28986747/saikosaponin-a-ameliorates-lps-induced-acute-lung-injury-in-mice
#8
Zhi-An Du, Mei-Na Sun, Zhan-Sheng Hu
The purpose of this study was to investigate the protective effects of Saikosaponin a (SSa), a triterpene saponin derived from Radix bupleuri, on lipopolysaccharide (LPS)-induced acute lung injury (ALI) using a murine model. The mice were given SSa 1 h after intranasal instillation of LPS. Then, lung histopathological examination, the wet/dry (W/D) ratio, myeloperoxidase (MPO), and inflammatory cytokines in bronchoalveolar lavage fluid (BALF) were detected in this study. The results showed that SSa reduced lung pathological injury induced by LPS...
October 6, 2017: Inflammation
https://www.readbyqxmd.com/read/28975419/acute-lung-injury-in-response-to-intratracheal-instillation-of-lipopolysaccharide-in-an-animal-model-of-emphysema-induced-by-elastase
#9
Maria Aparecida Esteves Rabelo, Leda Marília Fonseca Lucinda, Maycon Moura Reboredo, Lídia Maria Carneiro da Fonseca, Fernando Fonseca Reis, Thaís Fernanda Fazza, Danielle Ribeiro Brega, Flavia de Paoli, Adenilson de Souza da Fonseca, Bruno Valle Pinheiro
The response of lungs with emphysema to an acute lung injury (ALI) remains unclear. This study compared the lung response to intratracheal instillation of lipopolysaccharide (LPS) in rats with and without emphysema. Twenty-four Wistar rats were randomized to four groups: control group (C-G), ALI group (ALI-G), emphysema group (E-G), emphysema and ALI group (E-ALI-G). Euthanasia and the following analysis were performed 24 h after ALI induction: lung histology, bronchoalveolar lavage (BAL), mRNA expression of inflammatory mediators, and blood gas measures...
October 3, 2017: Inflammation
https://www.readbyqxmd.com/read/28971270/calcium-calmodulin-dependent-protein-kinase-iv-camkiv-mediates-acute-skeletal-muscle-inflammatory-response
#10
DanDan Shi, RuiCai Gu, YaFeng Song, MaoChao Ding, Tao Huang, MengXia Guo, JiangWei Xiao, WenHua Huang, Hua Liao
The objective of this study is to investigate the role of Calmodulin-dependent protein kinase IV (CaMKIV) in Cardiotoxin (CTX)-induced mice muscle inflammation. CTX injection i.m. was performed to induce B6 mice acute tibialis anterior (TA) muscle injury. The mice were then injected i.p. with the recombinant CaMKIV protein or its antagonist KN-93. Immunoblotting was used to assess Calmodulin (CaM) and CaMKIV levels. Immunofluorescence was used to detect intramuscular infiltration or major histocompatibility complex (MHC)-I expression in damaged muscle...
October 2, 2017: Inflammation
https://www.readbyqxmd.com/read/28965281/microrna-155-inhibits-polarization-of-macrophages-to-m2-type-and-suppresses-choroidal-neovascularization
#11
Pengfei Zhang, Hong Wang, Xueting Luo, Haiyun Liu, Bing Lu, Tong Li, Shiqi Yang, Qing Gu, Bin Li, Fenghua Wang, Xiaodong Sun
Arg-1(+)Ym-1(+) M2-type macrophages play essential roles in the development of choroidal neovascularization (CNV). Thus, inhibition of M2-type macrophages may be effective in suppressing CNV. However, the potential mechanisms of macrophage polarization during development of CNV remain unclear. In this study, we report that microRNA-155 (miR-155) inhibited M2 polarization by targeting C/EBPβ in CNV model mice and in bone marrow-derived primary macrophages. Moreover, our data show that intravitreous injection of miR-155 mimics suppressed subretinal leakage and neovascularization...
September 30, 2017: Inflammation
https://www.readbyqxmd.com/read/28965199/fgf-21-plays-a-crucial-role-in-the-glucose-uptake-of-activated-monocytes
#12
Nan Wang, Jun-Yan Li, Ting-Ting Zhao, Si-Ming Li, Cheng-Bin Shen, De-Shan Li, Wen-Fei Wang
Monocytes display a gradual change in metabolism during inflammation. When activated, the increase in glucose utilization is important for monocytes to participate in immune and inflammatory responses. Further studies on the mechanism underlying this biological phenomenon may provide a new understanding of the relationship between immune response and metabolism. The THP-1 cells were used as a monocyte model. The cells were activated with lipopolysaccharide (LPS). Glucose uptake was measured using flow cytometry...
September 30, 2017: Inflammation
https://www.readbyqxmd.com/read/28952069/anti-il-33-antibody-has-a-therapeutic-effect-in-an-atopic-dermatitis-murine-model-induced-by-2-4-dinitrochlorobenzene
#13
Ge Peng, Zhenzhen Mu, Lixia Cui, Pengyue Liu, Ying Wang, Wenqing Wu, Xiuping Han
IL-33 is a new member of the IL-1 family that plays a role in allergic disease. In this study, we evaluated the potential on the inhibition of atopic dermatitis (AD) of anti-mouse IL-33 antibody (αIL-33Ab) using 2, 4-dinitrochlorobenzene (DNCB)-induced AD mice model. We treated mice with αIL-33Ab via subcutaneous injection of each DNCB treatment 1 h later from day 1 to day 33 for 14 times. A control group received tacrolimus. Skin lesion and scratching behavior were compared. Ear thickness, dermatitis score, eosinophils and mast cells infiltration, and serum IgE levels were also analyzed...
September 26, 2017: Inflammation
https://www.readbyqxmd.com/read/28940034/protective-effects-of-chymostatin-on-paraquat-induced-acute-lung-injury-in-mice
#14
Chen Yang, Hong-Wei Song, Wei Liu, Xue-Song Dong, Zhi Liu
This study aims to evaluate the role of chymostatin in paraquat-induced acute lung injury. Institute of Cancer Research mice were randomly distributed into the NS, DMSO, chymostatin, paraquat or chymostatin treatment groups. Six mice from each group were intraperitoneally injected with chloral hydrate at 0, 1, 2, 4, 8, 12, 24 and 48 h after treatment administration. Blood samples were collected through cardiac puncture. Lung tissues were stained with haematoxylin and eosin for the observation of lung histology...
September 22, 2017: Inflammation
https://www.readbyqxmd.com/read/28936769/nlrp3-inflammasome-activation-in-a-transgenic-amyotrophic-lateral-sclerosis-model
#15
Agnese Gugliandolo, Sabrina Giacoppo, Placido Bramanti, Emanuela Mazzon
Amyotrophic lateral sclerosis (ALS) is a disabling progressive disease characterized by the degeneration of motor neurons, leading to muscle atrophy and paralysis. The majority of cases are sporadic, but also a familiar form of ALS exists, and some genes causative of the pathology were found. In particular, mutations in superoxide dismutase 1 (SOD1) were found in 20% of familiar cases. It is known that neuroinflammation plays a pivotal role in several neurodegenerative disorders, including ALS. Inflammasomes are protein complexes that induce inflammation in response to various stimuli, involved also in neuroinflammation...
September 21, 2017: Inflammation
https://www.readbyqxmd.com/read/28921399/artesunate-inhibits-renal-ischemia-reperfusion-stimulated-lung-inflammation-in-rats-by-activating-ho-1-pathway
#16
Zhaohui Liu, Junjie Zhang, Shitong Li, Jihong Jiang
Artesunate (AS), a semi-synthetic derivative of Artemisia, has been shown to exert a wide range of pharmacological effects, such as anti-inflammatory and antioxidant functions. However, the protective functions of AS on renal ischemia reperfusion injury (RIR)-stimulated lung inflammation remain unclear. In this research, acute lung injury (ALI) was stimulated by renal ischemia reperfusion injury (RIR). AS (15 mg/kg) was intraperitoneal administrated to rat 1 h before RIR stimulation. Serum and pulmonary NO, MDA, IL-6, MIP-2, and PGE2 levels, arterial blood gas and biochemistry, lung wet/dry weight ratio and MPO activity, total cell number and protein concentration in BALF, tissue histology, and NF-κB expression were determined...
September 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28921394/combination-therapy-with-pirfenidone-plus-prednisolone-ameliorates-paraquat-induced-pulmonary-fibrosis
#17
Rokhsana Rasooli, Fatemeh Pourgholamhosein, Younes Kamali, Fatemeh Nabipour, Ali Mandegary
Pirfenidone is known to slow the decline in vital capacity and increase survival in idiopathic pulmonary fibrosis (IPF). Besides, administration of glucocorticoids, e.g., prednisolone has been the conventional strategy to the treatment of patients with this disease, although their efficacy is under debate. Since multiple coactivated pathways are involved in the pathogenesis of IPF, combination therapy is a foundation strategy to cover many more synergetic mechanisms and increase response. The aim of the present study was to compare the therapeutic efficacy of prednisolone plus pirfenidone with pirfenidone alone in PQ-induced lung fibrosis...
September 18, 2017: Inflammation
https://www.readbyqxmd.com/read/28913572/establishment-of-s100a8-transgenic-rats-to-understand-innate-property-of-s100a8-and-its-immunological-role
#18
Kohki Okada, Hiroshi Itoh, Yasuhiko Kamikubo, Souichi Adachi, Masaki Ikemoto
The innate properties of S100A8 as a regulator in acute inflammation have not yet been elucidated in detail. Our aims are to newly establish S100A8 transgenic rats (Tg-S100A8) and to elucidate the immunological functions of S100A8. Following the treatment with 5% dextran sulfate sodium for 1 week, the body weight in Tg-S100A8 weakly decreased after the start; however, that in Japanese Wistar rats (WT) significantly decreased in the end. The serum level of CRP in Tg-S100A8 was significantly lower than that in WT, although the concentration of CRP apparently increased in both Tg-S100A8 and WT...
September 14, 2017: Inflammation
https://www.readbyqxmd.com/read/28894978/hydrogen-rich-saline-ameliorates-allergic-rhinitis-by-reversing-the-imbalance-of-th1-th2-and-up-regulation-of-cd4-cd25-foxp3-regulatory-t-cells-interleukin-10-and-membrane-bound-transforming-growth-factor-%C3%AE-in-guinea-pigs
#19
Feifei Xu, Shaoqing Yu, Mali Qin, Yong Mao, Ling Jin, Na Che, Shuangxi Liu, Rongming Ge
It is well known that CD4+CD25+Foxp3+Treg cells play an important role in the development of allergic rhinitis (AR); the defect of cell numbers and functions contribute to AR. Hydrogen has been proven effective in alleviating symptoms of AR. We herein aim to verify the protective effects of hydrogen on CD4+CD25+Foxp3+Treg cells in guinea pigs with AR and to explore the effect of hydrogen-rich saline (HRS) on CD4+CD25+Foxp3+Treg cells in animals with AR and investigate the underlying anti-inflammatory mechanism...
September 11, 2017: Inflammation
https://www.readbyqxmd.com/read/28879563/erratum-to-the-sesquiterpene-lactone-budlein-a-inhibits-antigen-induced-arthritis-in-mice-role-of-nf-%C3%AE%C2%BAb-and-cytokines
#20
Ana C Zarpelon, Victor Fattori, Fabricio O Souto, Larissa G Pinto, Felipe A Pinho-Ribeiro, Kenji W Ruiz-Miyazawa, Walter M Turato, Thiago M Cunha, Fernando B Da Costa, Fernando Q Cunha, Rubia Casagrande, Nilton S Arakawa, Waldiceu A Verri
No abstract text is available yet for this article.
September 6, 2017: Inflammation
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