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https://www.readbyqxmd.com/read/28545777/inhibitory-effects-of-doxycycline-on-the-onset-and-progression-of-abdominal-aortic-aneurysm-and-its-related-mechanisms
#1
Maomao Yu, Cong Chen, Yini Cao, Rong Qi
The objective of this study was to investigate whether doxycycline (DOX) given at different doses and via different administration routes had protective or therapeutic effects on abdominal aortic aneurysm (AAA) induced by elastase in mice. Moreover, the anti-AAA mechanism of DOX was studied in TNF-α-stimulated vascular smooth muscle cell (VSMC) in vitro. For in vivo study, either daily administration of 30mg/kg of DOX by gavage or intraperitoneal injection of 15mg/kg DOX every other day for 14 days significantly prevented the development of AAA at its early stage...
May 22, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28542193/an-agent-based-model-of-leukocyte-transendothelial-migration-during-atherogenesis
#2
Rita Bhui, Heather N Hayenga
A vast amount of work has been dedicated to the effects of hemodynamics and cytokines on leukocyte adhesion and trans-endothelial migration (TEM) and subsequent accumulation of leukocyte-derived foam cells in the artery wall. However, a comprehensive mechanobiological model to capture these spatiotemporal events and predict the growth and remodeling of an atherosclerotic artery is still lacking. Here, we present a multiscale model of leukocyte TEM and plaque evolution in the left anterior descending (LAD) coronary artery...
May 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28540928/anxiety-associated-increased-cpg-methylation-in-the-promoter-of-asb1-a-translational-approach-evidenced-by-epidemiological-and-clinical-studies-and-a-murine-model
#3
Rebecca T Emeny, Jens Baumert, Anthony S Zannas, Sonja Kunze, Simone Wahl, Stella Iurato, Janine Arloth, Angelika Erhardt, Georgia Balsevich, Mathias V Schmidt, Peter Weber, Anja Kretschmer, Liliane Pfeiffer, Johannes Kruse, Konstantin Strauch, Michael Roden, Christian Herder, Wolfgang Koenig, Christian Gieger, Melanie Waldenberger, Annette Peters, Elisabeth B Binder, Karl-Heinz Ladwig
Epigenetic regulation in anxiety is suggested, but evidence from large studies is needed. We conducted an epigenome-wide association study (EWAS) on anxiety in a population-based cohort and validated our finding in a clinical cohort as well as a murine model. In the KORA cohort, participants (n=1522, age 32-72 years) were administered the Generalized Anxiety Disorder (GAD-7) instrument, whole blood DNA methylation was measured (Illumina 450 K BeadChip) and circulating levels of hs-CRP and IL-18 were assessed in the association between anxiety and methylation...
May 25, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28538192/hepatic-anti-inflammatory-effect-of-hexane-extracts-of-dioscorea-batatas-decne-possible-suppression-of-toll-like-receptor-4-mediated-signaling
#4
Hyun Jung Koo, SungRyul Lee, Kwang Jin Chang, Eunsoo Sohn, Eun-Hwa Sohn, Se Chan Kang, Suhkneung Pyo
The hepatic anti-inflammatory potential of hexane extracts of Dioscorea batatas Decne edible part (EDH-1e) and bark (EDH-2b) were investigated in Western-type diet-fed apolipoprotein E null [ApoE (-/-)] mice and HepG2 cells. EDH-1e and EDH-2b suppressed the increased levels of tumor necrosis factor alpha (TNF-α), interleukin (IL)-6, transforming growth factor beta 1 (TGF-β1), vascular cell adhesion protein 1 (VCAM-1), and monocyte chemoattractant protein-1 (MCP-1), and reduced infiltration of monocytes into liver tissue...
May 21, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28537453/expression-regulation-and-effects-of-interleukin-17f-in-the-human-ocular-surface
#5
Aihua Hou, Louis Tong
PURPOSE: To evaluate the basal and possibly stimulated expression of interleukin (IL)-17 in the context of the ocular surface and potential downstream effects. METHODS: Western blot and immunofluorescent staining were used to evaluate IL-17F expression in human cornea/conjunctival tissues and cornea epithelial cell line. Cytokines and matrix metalloproteinase (MMP) transcripts were quantified by qPCR. IL-17F effects on NF-κB were investigated by the secretary alkaline phosphatase assay...
May 24, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28535426/new-role-of-pcsk9-in-atherosclerotic-inflammation-promotion-involving-the-tlr4-nf-%C3%AE%C2%BAb-pathway
#6
Zhi-Han Tang, Juan Peng, Zhong Ren, Jing Yang, Ting-Ting Li, Tao-Hua Li, Zuo Wang, Dang-Heng Wei, Lu-Shan Liu, Xi-Long Zheng, Zhi-Sheng Jiang
BACKGROUND AND AIMS: Proprotein convertase subtilisin/kexin 9 (PCSK9) has emerged as a popular target in the development of new cholesterol-lowering drugs and therapeutic interventions for atherosclerosis. PCSK9 could accelerate atherosclerosis through mechanisms beyond the degradation of the hepatic low-density lipoprotein receptor. Several clinical studies suggested that PCSK9 is involved in atherosclerotic inflammation. Accordingly, this study aimed to explore the role of PCSK9 in vascular inflammation that promotes atherosclerotic progression...
April 29, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28534174/the-il-1%C3%AE-phenomena-in-neuroinflammatory-diseases
#7
REVIEW
Andrew S Mendiola, Astrid E Cardona
It is becoming increasingly clear that neuroinflammation has a causal role in the pathogenesis of central nervous system (CNS)-related diseases, and therefore therapeutic strategies targeting the regulation or availability of inflammatory mediators can be used to prevent or mitigate pathology. Interestingly, the proinflammatory cytokine, interleukin-1 beta (IL-1β), has been implicated in perpetuating immune responses and contributing to disease severity in a variety of CNS diseases ranging from multiple sclerosis, neurodegenerative diseases, traumatic brain injury, and diabetic retinopathy...
May 22, 2017: Journal of Neural Transmission
https://www.readbyqxmd.com/read/28531815/chicken-interleukin-1%C3%AE-mutants-are-effective-single-dose-vaccine-adjuvants-that-enhance-mucosal-immune-response
#8
Wen-Ting Chen, Hao-Kai Chang, Cheng-Chung Lin, Shan-Min Yang, Hsien-Sheng Yin
The use of cytokines as adjuvants in poultry is promising because they may enhance immune responses to antigens. In this study, we created two mutants, chicken interleukin-1 beta (ChIL-1β) Q19A and R140A, which exhibited significantly increased in vivo biological activity compared with wild-type ChIL-1β. The potential mucosal adjuvant activity of the mutants Q19A and R140A was evaluated in chickens through the intranasal coadministration of a single dose of the Newcastle disease virus (NDV) vaccine with Q19A or R140A...
May 19, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28529481/topical-ophthalmic-formulation-of-trichostatin-a-and-surr9-c84a-for-quick-recovery-post-alkali-burn-of-corneal-haze
#9
Kislay Roy, Chun Hei Antonio Cheung, Rupinder K Kanwar, Rajat Sandhir, Jagat R Kanwar
Alkali burn injury is a true ocular emergency of the conjunctiva and cornea that requires immediate precision. Lack of an immediate therapy can lead to a substantial damage in the ocular surface and anterior segment further causing visual impairment and disfigurement. We explored the regenerative capability of dominant negative survivin protein (SurR9-C84A) and histone deacetylase inhibitor trichostatin-A (TSA) in vivo, in a rat alkali burn model. A topical insult in rat eyes with NaOH led to degradation of the conjunctival and corneal epithelium...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28529112/myeloid-differentiation-factor-88-is-up-regulated-in-epileptic-brain-and-contributes-to-experimental-seizures-in-rats
#10
Na Wang, Xiong Han, Haipeng Liu, Ting Zhao, Jie Li, Yan Feng, Xiujuan Mi, Yanke Zhang, Yanan Chen, Xuefeng Wang
Accumulating evidence supports that activation of inflammatory pathways is a crucial factor contributing to the pathogenesis of seizures. In particular, the activation of interleukin-1 beta (IL-1β) system exerts proconvulsant effects in a large variety of seizure models. Myeloid differentiation factor 88 (MyD88) is a critical adaptor protein in the signaling cascade elicited by IL-1β. The present study aimed to investigate the expression pattern of MyD88 in rat models of seizures and in patients with refractory temporal lobe epilepsy (TLE), and to study the role of MyD88 in epileptic seizures...
May 18, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28528185/simvastatin-ameliorate-memory-deficits-and-inflammation-in-clinical-and-mouse-model-of-alzheimer-s-disease-via-modulating-the-expression-of-mir-106b
#11
Wenzhong Huang, Zhenyu Li, Liandong Zhao, Wei Zhao
BACKGROUND: Alzheimer's disease (AD) as a neurodegenerative brain disorder is a devastating pathology leading to disastrous cognitive impairments and dementia, and several studies have shown that AD is closely related to the inflammation, so anti-inflammatory treatment may provide therapeutic benefits. In this study, the effect of simvastatin on inflammation was investigated and the underlying mechanisms were explored. METHODS: First, we tested the effect of simvastatin on AD in clinical research...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28511952/lithium-ameliorates-lipopolysaccharide-induced-neurotoxicity-in-the-cortex-and-hippocampus-of-the-adult-rat-brain
#12
Muhammad Sohail Khan, Tahir Ali, Muhammad Noman Abid, Myeung Hoon Jo, Amjad Khan, Min Woo Kim, Gwang Ho Yoon, Eun Woo Cheon, Shafiq Ur Rehman, Myeong Ok Kim
Lithium an effective mood stabilizer, primary used in the treatment of bipolar disorders, has been reported as a protective agent in various neurological disorders. In this study, we examined the neuroprotective role of lithium chloride (LiCl) against lipopolysaccharide (LPS) in the cortex and hippocampus of the adult rat brain. We determined that LiCl -attenuated LPS-induced activated toll-like receptor 4 (TLR4) signalling and significantly reduced the nuclear factor-kB (NF-KB) translation factor and various other inflammatory mediators such as interleukin-1 beta (IL-1β) and tumour necrosis factor alpha (TNF-α)...
May 13, 2017: Neurochemistry International
https://www.readbyqxmd.com/read/28504577/lactobacillus-fermentum-im12-attenuates-inflammation-in-mice-by-inhibiting-nf-%C3%AE%C2%BAb-stat3-signalling-pathway
#13
S-M Lim, H M Jang, S-E Jang, M J Han, D-H Kim
In the present study, we isolated Lactobacillus fermentum IM12 from human gut microbiota, which strongly inhibited interleukin (IL)-6 expression and STAT3 activation in lipopolysaccharide (LPS)-stimulated murine peritoneal macrophages, and examined its anti-inflammatory effect in mice with carrageenan-induced hind-paw oedema (CIE) or 2,4,6-trinitrobenzene sulfonic acid (TNBS)-induced colitis (TIC). Oral administration of IM12 (0.2×10(9), 1×10(9) or 5×10(9) cfu/mouse, once a day for 3 days) in mice with CIE significantly suppressed the increase of oedema volume and thickness, as well as myeloperoxidase activity and IL-6, IL-17, NO, and prostaglandin E2 levels in the carrageenan-stimulated paw...
May 15, 2017: Beneficial Microbes
https://www.readbyqxmd.com/read/28501981/protective-effect-of-gentianine-a-compound-from-du-huo-ji-sheng-tang-against-freund-s-complete-adjuvant-induced-arthritis-in-rats
#14
Chen Wenjin, Wang Jianwei
The anti-inflammatory property of gentianine (GE) aroused our interest. To investigate the effect of GE on Freund's complete adjuvant (FCA)-induced arthritis in rats was the aim of this study. Adjuvant-induced arthritis (AA) was induced by the administration of 0.1 ml FCA in the surface of hind paw. Diclofenac sodium (DS) and Fasudil were administered as positive controls. Downregulation of cytokines including interleukin-6 (IL-6), interleukin-1 beta (IL-1β), and tumor necrosis factor-alpha (TNF-α) revealed anti-inflammatory effect of GE, which was consisted with pathological conditions of rat paws...
May 13, 2017: Inflammation
https://www.readbyqxmd.com/read/28499972/simvastatin-ameliorates-memory-impairment-and-neurotoxicity-in-streptozotocin-induced-diabetic-mice
#15
Shun-Chang Fang, Hang Xie, Fang Chen, Mei Hu, Yan Long, Hong-Bin Sun, Ling-Yi Kong, Hao Hong, Su-Su Tang
Diabetes comes with an additional burden of moderate to severe hyperlipidemia, but little is known about the effects of lipid-lowering therapy on diabetic complications such as diabetes-associated cognitive decline. Herein we investigated the effects of statins on memory impairment and neurotoxicity in streptozotocin-induced diabetic mice. Our data indicated that oral administration of simvastatin at 10 or 20mg/kg for 4weeks significantly ameliorated diabetes-associated memory impairment reflected by performance better in the Morris water maze and Y-maze tests...
May 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28499970/chitinase1-contributed-to-a-potential-protection-via-microglia-polarization-and-a%C3%AE-oligomer-reduction-in-d-galactose-and-aluminum-induced-rat-model-with-cognitive-impairments
#16
Qian Xiao, Weihua Yu, Qi Tian, Xue Fu, Xia Wang, Min Gu, Yang Lü
Chitinase activity is increased in Alzheimer's disease (AD). However, the role of chitinase1 in AD is unknown. We investigated the effects of chitinase1 on Alzheimer's pathology and microglia function. Artificial chitinase1 and chitinase inhibitor (chitinase-IN-2) were used to determine the effects of chitinase1 on inflammatory factors and β-amyloid (Aβ) oligomers deposition in D-galactose/AlCl3-induced rat model with cognitive impairments. Aβ-treated N9 microglia cells were analyzed to further verify whether the changes in inflammatory factors following chitinase1 treatment were associated with microglia alternative activation...
May 10, 2017: Neuroscience
https://www.readbyqxmd.com/read/28495577/delivery-of-anti-inflammatory-peptides-from-hollow-pegylated-poly-nipam-nanoparticles-reduces-inflammation-in-an-ex-vivo-osteoarthritis-model
#17
James McMasters, Scott Poh, Jenny B Lin, Alyssa Panitch
Targeted delivery of anti-inflammatory osteoarthritis treatments have the potential to significantly decrease undesirable systemic side effects and reduce required therapeutic dosage. Here we present a targeted, non-invasive drug delivery system to decrease inflammation in an osteoarthritis model. Hollow thermoresponsive poly(N-isopropylacrylamide) (pNIPAM) nanoparticles have been synthesized via degradation of a N,N'-bis(acryloyl)cystamine (BAC) cross-linked core out of a non-degradable pNIPAM shell. Sulfated 2-acrylamido-2-methyl-1-propanesulfonic acid (AMPSA) was copolymerized in the shell to increase passive loading of an anti-inflammatory mitogen-activated protein kinase-activated protein kinase 2 (MK2)-inhibiting cell-penetrating peptide (KAFAK)...
May 8, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/28493788/development-of-in-vitro-embryo-production-system-using-collagen-matrix-gel-attached-vascular-endothelial-growth-factor-derived-from-interleukin-1-beta-treated-porcine-endometrial-tissue
#18
Hye-In Han, Sang-Hee Lee, Choon-Keun Park
The aim of this study was to establish an embryo culture system using collagen gel attached with vascular endothelial growth factor (VEGF) derived from interleukin-1 beta (IL-1β)-treated endometrial tissues from pigs. Endometria were separated from the porcine uterus at the follicular phase of the estrous cycle and were cultured with IL-1β. The collagen gels co-incubated with IL-1β-treated endometria (C, without endometrial tissue; CE, with endometrial tissue; and CEI, IL-1β-treated endometrial tissue) were used for embryo culture...
May 11, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28490464/perioperative-cox-2-and-beta-adrenergic-blockade-improves-metastatic-biomarkers-in-breast-cancer-patients-in-a-phase-ii-randomized-trial
#19
Lee Shaashua, Maytal Shabat-Simon, Rita Haldar, Pini Matzner, Oded Zmora, Moshe Shabtai, Eran Sharon, Tanir Allweis, Iris Barshack, Lucile Hayman, Jesusa M G Arevalo, Jeffrey Ma, Maya Horowitz, Steve W Cole, Shamgar Ben-Eliyahu
<br /> <p>Translational studies suggest that excess perioperative release of catecholamines and prostaglandins may facilitate metastasis and reduce disease-free survival. This trial tested the combined perioperative blockade of these pathways in breast cancer patients.</p> <br />Experimental Design: <br /> <p>In a randomized placebo-controlled biomarker trial, 38 early-stage breast cancer patients received 11 days of perioperative treatment with a beta-adrenergic antagonist (propranolol) and a cyclooxygenase-2 (COX-2) inhibitor (etodolac), beginning five days before surgery...
May 10, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28487992/spilanthes%C3%A2-acmella-inhibits-inflammatory-responses-via-inhibition-of-nf-%C3%AE%C2%BAb-and-mapk-signaling-pathways-in-raw-264-7-macrophages
#20
Young-Chang Cho, Tran The Bach, Ba Reum Kim, Huong Lan Vuong, Sayeon Cho
Spilanthes acmella Murr. (S. acmella) has been used traditionally in India and Sri Lanka to treat various inflammatory diseases. However, the anti‑inflammatory effects and underlying mechanism of action of S. acmella are unclear. The present study assessed the anti‑inflammatory properties of methanol extracts of S. acmella (MSA) in murine macrophages. MSA (≤300 µg/ml) inhibited nitric oxide (NO) production in lipopolysaccharide (LPS)‑stimulated RAW 264.7 macrophages through transcriptional inhibition of inducible nitric oxide synthase expression in a dose‑dependent manner...
May 9, 2017: Molecular Medicine Reports
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