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Inflammatory cytokine

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https://www.readbyqxmd.com/read/29778080/atrazine-xenobiotic-nuclear-receptor-interactions-induce-cardiac-inflammation-and-endoplasmic-reticulum-stress-in-quail-coturnix-coturnix-coturnix
#1
Xue-Nan Li, Yu-Zhu Zuo, Lei Qin, Wei Liu, Yan-Hua Li, Jin-Long Li
Atrazine (ATR) is one of the most extensively used herbicide that eventually leaches into groundwater and surface water from agricultural areas. Exposure to ATR does harm to the health of human and animals, especially the heart. However, ATR exposure caused cardiotoxicity in bird remains unclear. To evaluate ATR-exerted potential cardiotoxicity in heart, quail were exposed with 0, 50, 250, and 500 mg/kg BW/day ATR by gavage treatment for 45 days. Cardiac histopathological alternation was observed in ATR-induced quail...
May 9, 2018: Chemosphere
https://www.readbyqxmd.com/read/29777942/photomodulation-multiple-sessions-as-a-promising-preventive-therapy-for-medication-related-osteonecrosis-of-the-jaws-after-tooth-extraction-in-rats
#2
Cristian Statkievicz, Luan Felipe Toro, João Martins de Mello-Neto, Daniela Pereira de Sá, Cláudio Aparecido Casatti, João Paulo Mardegan Issa, Luciano Tavares Angelo Cintra, Juliano Milanezi de Almeida, Maria José Hitomi Nagata, Valdir Gouveia Garcia, Leticia Helena Theodoro, Edilson Ervolino
The aim of this study was to evaluate the effects of photobiomodulation (PBM) with multiple sessions of low-level laser on the alveolar repair process of rats with major risk factors for medication-related osteonecrosis of the jaws (MRONJ). Senile rats received 0.45 mL of vehicle (VEH and VEH-PBM) or 0.45 mL of 100 μg/kg zoledronate (ZOL and ZOL-PBM) administrated intraperitoneally every two days during seven weeks. After three weeks of initiation of drug treatment the first lower left molar was extracted...
May 9, 2018: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/29777902/chemical-characterization-and-cerebroprotective-effect-of-methanolic-root-extract-of-colebrookea-oppositifolia-in-rats
#3
Gollapalle Lakshminarayanashastry Viswanatha, Marikunte V Venkataranganna, Nunna Bheema Lingeswara Prasad, Shylaja Hanumanthappa
ETHNOPHARMACOLOGICAL RELEVANCE: Colebrookea oppositifolia Smith is one of the extensively used plants to treat neurological conditions such as epilepsy by the various ethnic communities in sub-Himalayan regions of India such as Bhoxa, Tharu and nomadic Gujjars. AIM OF THE STUDY: This study was conducted to evaluate the cerebroprotective effect of C. oppositifolia methanolic root (MeCO) extract in Wistar rats. MATERIALS AND METHODS: The MeCO was characterized for total phenolic content and later subjected for detailed liquid chromatography-mass spectrometry analysis...
May 16, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29777873/cinnamaldehyde-protects-vsmcs-against-ox-ldl-induced-proliferation-and-migration-through-s-arrest-and-inhibition-of-p38-jnk-mapks-and-nf-%C3%AE%C2%BAb
#4
Weifeng Li, Wenbing Zhi, Jinmeng Zhao, Qing Yao, Fang Liu, Xiaofeng Niu
Cinnamaldehyde (Cin), as a traditional flavor constituent isolated from the bark of Cinnamonum cassia Presl, has been commonly used for - digestive, cardiovascular and immune system diseases. The pathology of vascular smooth muscle cells (VSMCs) accelerated the progression of atherosclerosis. In our study, we found that cinnamaldehyde significantly suppressed ox-LDL-induced VSMCs proliferation, migration and inflammatory cytokine overproduction, as well as foam cell formation in VSMCs and macrophages. Moreover, cinnamaldehyde inhibited the phosphorylation of p38, JNK and p65 NF-κB and increased heme oxygenase-1 (HO-1) activity...
May 16, 2018: Vascular Pharmacology
https://www.readbyqxmd.com/read/29777869/subconjunctival-dendrimer-drug-therapy-for-the-treatment-of-dry-eye-in-rabbits-with-induced-autoimmune-dacryoadenitis
#5
Hui Lin, Ying Liu, Siva P Kambhampati, Chih-Chien Hsu, Rangaramanujam M Kannan, Samuel C Yiu
PURPOSE: To investigate the efficacy of a single subconjunctival injection of dendrimer-dexamethasone to treat dry eye in a rabbit model of induced autoimmune dacryoadenitis (AID). METHOD: Dendrimer biodistribution after subconjuntival injection in AID animals was evaluated using Cy5-labelled dendrimer (D-Cy5) and confocal microscopy. Diseased animals were treated with free dexamethasone (Free-Dex), dendrimer-dexamethasone (D-Dex), or saline via a single subconjunctival injection...
May 16, 2018: Ocular Surface
https://www.readbyqxmd.com/read/29777833/endocrine-disrupting-activities-and-immunomodulatory-effects-in-lymphoblastoid-cell-lines-of-diclofenac-4-hydroxydiclofenac-and-paracetamol
#6
Ivana Klopčič, Tijana Markovič, Irena Mlinarič-Raščan, Marija Sollner Dolenc
A critical literature review reveals that knowledge of side effects of pharmaceuticals diclofenac and paracetamol is extremely important because of their widespread use and occurrence in the environment. In order to delineate whether these compounds have endocrine activity and influence on the immune system, we assessed the potential endocrine disrupting and immunomodulatory activities of: diclofenac (DIC), its metabolite 4-hydroxydiclofenac (4-HD) and paracetamol (PAR). Herein, we report on their impact on estrogen receptor (ER), androgen receptor (AR), glucocorticoid receptor (GR) and thyroid hormone receptor (TR)...
May 16, 2018: Toxicology Letters
https://www.readbyqxmd.com/read/29777793/homocysteine-induces-vascular-inflammatory-response-via-smad7-hypermethylation-in-human-umbilical-vein-smooth-muscle-cells
#7
Li-Hua Wei, Nai-Xia Chao, Si Gao, Ya-Ting Yu, Lin Shi, Xin-Bo Ma, Na Liao, Ke Lan, Yu Luo, Zheng-Yi Xie, Yuan-Yuan Li
Homocysteine (Hcy) can induce atherosclerosis through the inflammatory response and DNA methylation disorder. Our recent study has reported a novel epigenetic modified gene related to atherosclerosis -SMAD7. To further understand the pathogenesis of atherosclerosis, the current study was designed to investigate an inflammatory role of Hcy in human umbilical vein smooth muscle cells (HUVSMCs) through interfering with SMAD7 methylation. Using MALDI-TOF MS, we found that Hcy increased DNA methylation levels of SMAD7 promoter in a dose and time-dependent manner in HUVSMCs...
May 16, 2018: Microvascular Research
https://www.readbyqxmd.com/read/29777767/biglycan-is-a-new-high-affinity-ligand-for-cd14-in-macrophages
#8
Heiko Roedig, Madalina V Nastase, Helena Frey, Kristin Moreth, Jinyang Zeng-Brouwers, Chiara Poluzzi, Louise Tzung-Harn Hsieh, Christian Brandts, Simone Fulda, Malgorzata Wygrecka, Liliana Schaefer
Sterile inflammation is a therapeutic target in many diseases where it represents an important initiator of disease progression. However, the detailed mechanisms underlying its evolution and biological relevance are not yet completely elucidated. Biglycan, a prototype extracellular matrix-derived damage-associated molecular pattern, mediates sterile inflammation in macrophages through Toll-like receptor (TLR) 2 and/or TLR4-dependent signaling pathways. Here we discovered that soluble biglycan is a novel high-affinity ligand for CD14, a well-known GPI-anchored co-receptor for TLRs...
May 16, 2018: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/29777762/astrocyte-elevated-gene-1-is-a-novel-regulator-of-astrogliosis-and-excitatory-amino-acid-transporter-2-via-interplaying-with-nuclear-factor-%C3%AE%C2%BAb-signaling-in-astrocytes-from-amyotrophic-lateral-sclerosis-mouse-model-with-hsod1-g93a-mutation
#9
Xiang Yin, Shuyu Wang, Yan Qi, Xudong Wang, Hongquan Jiang, Tianhang Wang, Yueqing Yang, Ying Wang, Chunting Zhang, Honglin Feng
AEG-1 has received extensive attention on cancer research. However, little is known about its roles in astrogliosis of Amyotrophic lateral sclerosis (ALS). In this study, we detected AEG-1 expression in hSOD1G93A -positive (mut-SOD1) astrocytes and wild type (wt-SOD1) astrocytes, and intend to elucidate its potential functions in ALS related astrogliosis and the always accompanied dysregulated glutamate clearance. Results showed elevated protein and mRNA levels of AEG-1 in mut-SOD1 astrocytes; Also, NF-κB signaling pathway related proteins and inflammatory cytokines were upregulated in mut-SOD1 astrocytes; AEG-1 knockdown attenuated astrocytes proliferation and pro-inflammatory release; also we found that AEG-1 silence inhibited translocation of p65 from cytoplasma to nuclear, which was associated with inhibited NF-κB signaling...
May 16, 2018: Molecular and Cellular Neurosciences
https://www.readbyqxmd.com/read/29777754/hmgb1-neutralization-attenuates-hippocampal-neuronal-death-and-cognitive-impairment-in-rats-with-chronic-cerebral-hypoperfusion-via-suppressing-inflammatory-responses-and-oxidative-stress
#10
Yue Hei, Rong Chen, Xicai Yi, Qianfa Long, Dakuan Gao, Weiping Liu
High mobility group box-1 (HMGB1) acts as a proinflammatory molecule once released into the extracellular space and inhibition of HMGB1 signaling has been reported be neuroprotective in neurodegenerative diseases. Besides, chronic cerebral hypoperfusion (CCH) causes cognitive impairment in neurodegenerative diseases. Here we tested the protective role of HMGB1 inhibition using anti-HMGB1 neutralizing antibody (Ab) against CCH in rats after bilateral common carotid artery occlusion (2VO). 169 male Sprague-Dawley rats underwent 2VO or sham operation...
May 16, 2018: Neuroscience
https://www.readbyqxmd.com/read/29777594/il-3-producing-basophils-are-required-to-exacerbate-airway-hyper-responsiveness-in-a-murine-inflammatory-model
#11
Rachel Rignault-Bricard, François Machavoine, Salah Mecheri, Olivier Hermine, Elke Schneider, Michel Dy, Maria Leite-de-Moraes
BACKGROUND: Basophils are commonly associated with allergic responses because of their ability to produce large amounts of pro-Th2 cytokines and histamine. However, the mechanisms through which bone marrow-resident basophils (BMRB) become fully competent cytokine and histamine producers in response to IgE crosslinking are poorly understood. Here, we sought to determine the role of IL-3 in promoting pro-Th2 basophils. METHODS: BMRB and basophils exposed to IL-3 in vitro and in vivo were evaluated for their production of Th2 cytokines and histamine in response to FcεRI crosslinking on both protein and gene expression levels...
May 19, 2018: Allergy
https://www.readbyqxmd.com/read/29777367/effects-of-crocin-on-inflammatory-activities-in-human-fibroblast-like-synoviocytes-and-collagen-induced-arthritis-in-mice
#12
Longjie Li, Haiseng Zhang, Shengli Jin, Chang Liu
Rheumatoid arthritis (RA) is a systemic autoimmune disease, characterized by the irreversible joint destruction resulted from the attack of inflammatory cells to the joints. Recent studies demonstrated that crocin is able to alleviate arthritis and suppress inflammatory responses, implying crocin as a potential promising antiarthritic agent. In this study, we confirmed the effect of crocin on RA and revealed its underlying mechanism by measuring lipopolysaccharides (LPS)-stimulated cytokine production in presence or absence of crocin...
May 18, 2018: Immunologic Research
https://www.readbyqxmd.com/read/29777158/mesenchymal-stem-cells-and-t-cells-in-the-formation-of-tertiary-lymphoid-structures-in-lupus-nephritis
#13
S Esmaeil Dorraji, Aud-Malin K Hovd, Premasany Kanapathippillai, Gunnstein Bakland, Gro Østli Eilertsen, Stine L Figenschau, Kristin A Fenton
Tertiary lymphoid structures (TLS) develop in the kidneys of lupus-prone mice and systemic lupus erythematosus (SLE) patients with lupus nephritis (LN). Here we investigated the presence of mesenchymal stem cells (MSCs) in the development of TLS in murine LN, as well as the role of human MSCs as lymphoid tissue organizer (LTo) cells on the activation of CD4+ T cells from three groups of donors including Healthy, SLE and LN patients. Mesenchymal stem like cells were detected within the pelvic wall and TLS in kidneys of lupus-prone mice...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776906/blood-induced-bone-loss-in-murine-hemophilic-arthropathy-is-prevented-by-blocking-the-irhom2-adam17-tnf%C3%AE-pathway
#14
Coline Haxaire, Narine Hakobyan, Tania Pannellini, Camila Carballo, David McIlwain, Tak W Mak, Scott Rodeo, Suchitra Acharya, Daniel Li, Jackie Szymonifka, Xiangqian Song, Sébastien Monette, Alok Srivastava, Jane E Salmon, Carl P Blobel
Hemophilic arthropathy (HA) is a debilitating degenerative joint disease that is a major manifestation of the bleeding disorder Hemophilia A. HA typically begins with hemophilic synovitis (HS) that resembles inflammatory arthritides such as rheumatoid arthritis (RA) and frequently results in bone loss in patients. A major cause of RA is inappropriate release of the pro-inflammatory cytokine tumor necrosis factor α (TNFα) by the TNFα convertase (TACE, also referred to as ADAM17) and its regulator, iRhom2...
May 18, 2018: Blood
https://www.readbyqxmd.com/read/29776830/pharmacological-modulation-of-radiation-induced-oral-mucosal-complications
#15
S Bockel, A Vallard, A Lévy, S François, M Bourdis, C Le Gallic, D Riccobono, P Annede, M Drouet, Y Tao, P Blanchard, É Deutsch, N Magné, C Chargari
Radiation-induced mucositis is a common toxicity, especially in patients with head and neck cancers. Despite recent technological advances in radiation therapy, such as intensity-modulated radiotherapy, radiation-induced mucositis is still causing treatment disruptions, negatively affecting patients' long and short term quality of life, and impacting medical resources use with economic consequences. The objective of this article was to review the latest updates in the management of radiation-induced mucositis, with a focus on pharmaceutical strategies for the prevention or treatment of mucositis...
May 15, 2018: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/29776615/a-new-and-efficient-culture-method-for-porcine-bone-marrow-derived-m1-and-m2-polarized-macrophages
#16
Jiye Gao, Maaike R Scheenstra, Albert van Dijk, Edwin J A Veldhuizen, Henk P Haagsman
BACKGROUND: Macrophages play an important role in the innate immune system as part of the mononuclear phagocyte system (MPS). They have a pro-inflammatory signature (M1-polarized macrophages) or anti-inflammatory signature (M2-polarized macrophages) based on expression of surface receptors and secretion of cytokines. However, very little is known about the culture of macrophages from pigs and more specific about the M1 and M2 polarization in vitro. METHODS: Porcine monocytes or mononuclear bone marrow cells were used to culture M1- and M2-polarized macrophages in the presence of GM-CSF and M-CSF, respectively...
June 2018: Veterinary Immunology and Immunopathology
https://www.readbyqxmd.com/read/29776428/evidence-of-the-impact-of-systemic-inflammation-on-neuroinflammation-from-a-non-bacterial-endotoxin-animal-model
#17
Chunxia Huang, Michael Garnet Irwin, Gordon Tin Chun Wong, Raymond Chuen Chung Chang
BACKGROUND: Systemic inflammation induces neuroinflammation and cellular changes such as tau phosphorylation to impair cognitive function, including learning and memory. This study uses a single model, laparotomy without any pathogen, to characterize these changes and their responses to anti-inflammatory treatment in the intermediate term. METHODS: In a two-part experiment, wild-type C57BL/6N mice (male, 3 month old, 25 ± 2 g) were subjected to sevoflurane anesthesia alone or to a laparotomy...
May 17, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29776417/sinomenine-exerts-anticonvulsant-profile-and-neuroprotective-activity-in-pentylenetetrazole-kindled-rats-involvement-of-inhibition-of-nlrp1-inflammasome
#18
Bo Gao, Yu Wu, Yuan-Jian Yang, Wei-Zu Li, Kun Dong, Jun Zhou, Yan-Yan Yin, Da-Ke Huang, Wen-Ning Wu
BACKGROUND: Epilepsy is a common neurological disorder and is not well controlled by available antiepileptic drugs (AEDs). Inflammation is considered to be a critical factor in the pathophysiology of epilepsy. Sinomenine (SN), a bioactive alkaloid with anti-inflammatory effect, exerts neuroprotective activity in many nervous system diseases. However, little is known about the effect of SN on epilepsy. METHODS: The chronic epilepsy model was established by pentylenetetrazole (PTZ) kindling...
May 18, 2018: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/29775946/il-9-exhibits-elevated-expression-in-osteonecrosis-of-femoral-head-patients-and-promotes-cartilage-degradation-through-activation-of-jak-stat-signaling-in-vitro
#19
Wei Geng, Wen Zhang, Jinzhu Ma
Osteonecrosis of the femoral head (ONFH) often causes severe symptoms in young people and limits the mobility of the hip joint. Interleukin-9 (IL-9) is a multi-functional inflammatory factor that participates in lumbar disk herniation and arthritis and has been reported in many studies. However, the correlation between IL-9 and ONFH is unclear. The present study aimed to determine the role of IL-9 in the pathogenetic mechanism of osteonecrosis. To assess IL-9 expression in ONFH and femoral neck fracture patients, cartilage tissue was examined through western blot analysis and immunohistochemistry...
May 15, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29775920/il-33-stimulates-expression-of-the-gpr84-ex33-fatty-acid-receptor-gene-and-of-cytokine-and-chemokine-genes-in-human-adipocytes
#20
Mohamed S Zaibi, Małgorzata A Kępczyńska, Parvathy Harikumar, Suliman Y Alomar, Paul Trayhurn
Expression of GPCR fatty acid sensor/receptor genes in adipocytes is modulated by inflammatory mediators, particularly IL-1β. In this study we examined whether the IL-1 gene superfamily member, IL-33, also regulates expression of the fatty acid receptor genes in adipocytes. Human fat cells, differentiated from preadipocytes, were incubated with IL-33 at three different dose levels for 3 or 24 h and mRNA measured by qPCR. Treatment with IL-33 induced a dose-dependent increase in GPR84 mRNA at 3 h, the level with the highest dose being 13...
May 15, 2018: Cytokine
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