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https://www.readbyqxmd.com/read/28528202/microrna-129-5p-inhibits-the-development-of-autoimmune-encephalomyelitis-related-epilepsy-by-targeting-hmgb1-through-the-tlr4-nf-kb-signaling-pathway
#1
Ai-Hua Liu, Ya-Ting Wu, Yu-Ping Wang
The study aimed to explore the effects of microRNA-129-5p (miR-129-5p) on the development of autoimmune encephalomyelitis (AE)-related epilepsy by targeting HMGB1 through the TLR4/NF-kB signaling pathway in a rat model. AE-related epilepsy models were established. Sprague-Dawley (SD) rats were randomly divided into control, model, miR-129-5p mimics, miR-129-5p inhibitor, HMGB1 shRNA, TLR4/NF-kB (TLR4/NF-kB signaling pathway was inhibited) and miR-129-5p mimics+HMGB1 shRNA groups respectively. Latency to a first epilepsy seizure attack was recorded...
May 17, 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/28526925/polyphenolic-extract-attenuates-fatty-acid-induced-steatosis-and-oxidative-stress-in-hepatic-and-endothelial-cells
#2
Laura Vergani, Giulia Vecchione, Francesca Baldini, Elena Grasselli, Adriana Voci, Piero Portincasa, Pier Francesco Ferrari, Bahar Aliakbarian, Alessandro A Casazza, Patrizia Perego
PURPOSE: Phenolic compounds (PC) of virgin olive oil exert several biochemical and pharmacological beneficial effects. Some dietary PC seem to prevent/improve obesity and metabolic-related disorders such as non-alcoholic fatty liver disease (NAFLD). We investigated the possible effects of PC extracted from olive pomace (PEOP) and of the main single molecules present in the extract (tyrosol, apigenin, oleuropein, p-coumaric and caffeic acid) in protecting hepatocytes and endothelial cells against triglyceride accumulation and oxidative stress...
May 19, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28521869/high-fgf21-levels-are-associated-with-altered-bone-homeostasis-in-hiv-1-infected-patients
#3
José M Gallego-Escuredo, Maria Karuna Lamarca, Joan Villarroya, Joan C Domingo, Ma Gracia Mateo, Ma Del Mar Gutierrez, Francesc Vidal, Francesc Villarroya, Pere Domingo, Marta Giralt
BACKGROUND: Fibroblast growth factor-21 (FGF21) has emerged as an important regulator of glucose, lipid, and body weight homeostasis. However, recent experimental studies have reported that increased FGF21 levels may lead to bone loss. OBJECTIVE: To assess the relationship of serum FGF21 levels and altered bone homeostasis in HIV-1-infected patients. DESIGN: Cross-sectional study of 137 HIV-1-infected patients and 35 healthy controls conducted at the Hospital de la Santa Creu i Sant Pau, Barcelona...
June 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28520220/endothelial-damage-effects-of-circulating-microparticles-from-patients-with-stable-angina-is-reduced-by-aspirin-though-erk-p38-mapks-pathways
#4
Cheng Gong, Xue-Feng Shan, Xu-Lang Wang, Wei-Wei Dong, Zhe Li, D Xin-Hong Liu, Wei Zhang, Kun Xing, Feng-Jun Chang
INTRODUCTION: Platelet activation participate in the development of both coronary artery disease (CAD) and circulating microparticles (MPs). As a commonly used medicine for coronary heart disease, whether aspirin affects the function of MPs remains unclear. AIMS: This study was designed to test MPs from healthy subjects, stable angina (SA) patients before and after aspirin administration were obtained. MPs origins were tested by flow cytometry. Rat thoracic aortas were incubated with MPs (with or without aspirin) to determine the effects of MPs on expression of ERK1/2, JNKs and p38 MAPK...
May 18, 2017: Cardiovascular Therapeutics
https://www.readbyqxmd.com/read/28511952/lithium-ameliorates-lipopolysaccharide-induced-neurotoxicity-in-the-cortex-and-hippocampus-of-the-adult-rat-brain
#5
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/28510268/effect-of-intervention-initiation-timing-of-pulsed-electromagnetic-field-on-ovariectomy-induced-osteoporosis-in-rats
#6
Jun Zhou, Yuan Liao, Yahua Zeng, Haitao Xie, Chengxiao Fu, Neng Li
The aim of this study is to explore the effect of timing of initiation of pulsed electromagnetic field (PEMF) therapy on bone mass, microarchitecture, and biomechanical properties, and to investigate receptor activator of NF-kB (RANK) expression in ovariectomized (OVX) rats. Sixty female Sprague-Dawley rats were randomly divided into two equal batches of three groups each (10 rats in each group). The first batch comprised of sham-operated (Sham-0 group), ovariectomized (OVX-0 group), and ovariectomized plus treated with PEMF starting from the day of OVX (Early PEMF group)...
May 16, 2017: Bioelectromagnetics
https://www.readbyqxmd.com/read/28507161/interleukin-1-and-traf6-dependent-activation-of-tak1-in-the-absence-of-tab2-and-tab3
#7
Jiazhen Zhang, Thomas Macartney, Mark Peggie, Philip Cohen
Interleukin-1 (IL-1) signaling induces the formation of Lys63-linked ubiquitin (K63-Ub) chains, which are thought to activate the "master" protein kinase TAK1 by interacting with its TAB2 and TAB3 subunits. Here, we report that IL-1b can also activate the TAB1-TAK1 heterodimer present in TAB2/TAB3 double knock-out (DKO) IL-1 receptor-expressing cells. The IL-1b-dependent activation of the TAB1-TAK1 heterodimer in TAB2/3 DKO cells required the expression and E3 ligase activity of TRAF6 and was reduced by the siRNA knock-down of Ubc13, an E2 conjugating enzyme that directs the formation of K63-Ub chains...
May 15, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/28502776/dried-plum-and-chokeberry-ameliorate-d-galactose-induced-aging-in-mice-by-regulation-of-pl3k-akt-mediated-nrf2-and-nf-kb-pathways
#8
Heesoo Jeong, Yanan Liu, Hyun-Sook Kim
No abstract text is available yet for this article.
May 10, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28494724/c-type-lectin-receptor-old-friend-and-new-player
#9
Hai Hou, Yahui Guo, Qing Chang, Tianming Luo, Xin Wu, Xueqiang Zhao
During the last two decades, C-type lectin receptors (CLRs) have been demonstrated to play key roles in initiating the host immune response upon fungal infection. It is well established that CLRs, such as Dectin-1, Dectin-2, Dectin-3 and Mincle, recognize the cell wall component from the infected microorganisms by using their carbohydrate recognition domain (CRD). Upon stimulation, CLRs induce multiple signal transduction cascades through their own immune-receptor tyrosine-based activation motifs (ITAMs) or interacting with ITAM-containing adaptor proteins such as FcRγ, which then lead to the activation of nuclear factor kappa B (NF-kB) through Syk- and CARD9-dependent pathway...
May 9, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28494043/maxillary-sinus-floor-augmentation-using-xenograft-gene-expression-and-histologic-analysis
#10
Jaijam Suwanwela, Dollaya Puangchaipruk, Kamolporn Wattanasirmkit, Paksinee Kamolratanakul, Pornchai Jansisyanont
PURPOSE: Many histologic and histomorphometric studies as well as systematic reviews have shown the clinical success of the use of anorganic bovine bone (ABB, Bio-Oss) in maxillary sinus floor augmentation (MSFA). The molecular processes involved in bone healing are, however, still unknown. The aims of this study were to explore gene expression associated with bone remodeling and inflammation in MSFA sites. MATERIALS AND METHODS: The mRNA expression levels of runt related transcription factor 2 (RUNX2), receptor activator of NF-kB ligand (RANKL), osteoprotegerin (OPG), matrix metallopeptidase 9 (MMP-9), tartrate-resistance acid phosphatase (TRAP), and interleukin-1beta (IL-1β), as well as the ratio of RANKL/OPG were compared between alveolar bone of a group after MSFA with ABB and a maxillary posterior edentulous bone group...
May 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28493984/nasal-airway-epithelial-cell-il-6-and-fkbp51-gene-expression-and-steroid-sensitivity-in-asthmatic-children
#11
Michael Fayon, Aurelie Lacoste-Rodrigues, Pascal Barat, Jean-Christophe Helbling, Fabienne Nacka, Patrick Berger, Marie-Pierre Moisan, Jean-Benoit Corcuff
BACKGROUND: Many asthmatic patients exhibit uncontrolled asthma despite high-dose inhaled corticosteroids (ICS). Airway epithelial cells (AEC) have distinct activation profiles that can influence ICS response. OBJECTIVES: A pilot study to identify gene expression markers of AEC dysfunction and markers of corticosteroid sensitivity in asthmatic and non-asthmatic control children, for comparison with published reports in adults. METHODS: AEC were obtained by nasal brushings and primary submerged cultures, and incubated in control conditions or in the presence of 10 ng/ml TNFalpha, 10-8M dexamethasone, or both...
2017: PloS One
https://www.readbyqxmd.com/read/28490346/anti-inflammatory-effects-of-h2s-during-acute-bacterial-infection-a-review
#12
REVIEW
Francesca Benedetti, Sabrina Curreli, Selvi Krishnan, Sergio Davinelli, Fiorenza Cocchi, Giovanni Scapagnini, Robert C Gallo, Davide Zella
Hydrogen sulfide (H2S), previously only considered a toxic environmental air pollutant, is now increasingly recognized as an important signaling molecule able to modulate several cellular pathways in many human tissues. As demonstrated in recent studies, H2S is produced endogenously in response to different cellular stimuli and plays different roles in controlling a number of physiological responses. The precise role of H2S in inflammation is still largely unknown. In particular, the role of H2S in the regulation of the inflammatory response in acute and chronic infections is being actively investigated because of its potential therapeutic use...
May 10, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/28487955/regulation-of-mrna-gene-expression-of-members-of-the-nf-%C3%AE%C2%BAb-transcription-factor-gene-family-by-angiotensin-ii-and-relaxin-2-in-normal-and-cancer-prostate-cell-lines
#13
Kamila Domińska, Karolina Kowalska, Zuzanna Elżbieta Matysiak, Elżbieta Płuciennik, Tomasz Ochędalski, Agnieszka Wanda Piastowska-Ciesielska
An increasing number of researchers are focusing on the influence of local peptide hormones such as angiotensin II (Ang II) and relaxin 2 (RLN2) in the regulation of inflammation and carcinogenesis. The interaction between the renin‑angiotensin system (RAS) and relaxin family peptide system (RFPS) is known to influence the proliferation, adhesion and migration of normal and cancer prostate cell lines. The aim of the present study was to evaluate changes in the expression of nuclear factor‑κB subunit 1 (NFKB1), nuclear factor‑κB subunit 2 (NFKB2), REL proto‑oncogene nuclear factor‑κB p65 subunit (REL), RELA proto‑oncogene nuclear factor‑κB subunit (RELA) and RELB proto‑oncogene nuclear factor‑κB subunit (RELB) mRNA caused by Ang II and RLN2...
June 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28487813/transcriptional-and-molecular-pathways-activated-in-mesenteric-adipose-tissue-and-intestinal-mucosa-of-crohn-s-disease-patients
#14
Andressa Coope, Lívia Bitencourt Pascoal, Francesca Aparecida Ramos da Silva, José Diego Botezelli, Maria de Lourdes Setsuko Ayrizono, Marciane Milanski, Michel Gardere Camargo, Núria Planell, Mariana Portovedo, Cilene Bicca Dias, João José Fagundes, Raquel Franco Leal
Crohn's disease (CD) is a chronic inflammatory disorder, characterized by cytokine imbalance and transcription signaling pathways activation. In addition, the increase of mesenteric adipose tissue (MAT) near the affected intestinal area is a hallmark of CD. Therefore, we evaluated the transcription signaling pathways and cytokines expression in intestinal mucosa and MAT of active CD patients. Ten patients with ileocecal CD and eight with noninflammatory diseases were studied. The biopsies of intestinal mucosa and MAT were snap-frozen and protein expression was determined by immunoblotting...
2017: International Journal of Inflammation
https://www.readbyqxmd.com/read/28479318/identification-of-somatic-mutations-in-primary-cutaneous-diffuse-large-b-cell-lymphoma-leg-type-by-massive-parallel-sequencing
#15
Sylvain Mareschal, Anne Pham-Ledard, Pierre Julien Viailly, Sydney Dubois, Philippe Bertrand, Catherine Maingonnat, Maxime Fontanilles, Elodie Bohers, Philippe Ruminy, Isabelle Tournier, Philippe Courville, Bernard Lenormand, Anne Bénédicte Duval, Emilie Andrieu, Laurence Verneuil, Beatrice Vergier, Hervé Tilly, Pascal Joly, Thierry Frebourg, Marie Beylot-Barry, Jean-Philippe Merlio, Fabrice Jardin
To determine whether the mutational profile of primary cutaneous diffuse large B-cell lymphoma leg-type (PCLBCL-LT) is unique by comparison with other diffuse large B-cell lymphoma (DLBCL) subtypes, we analyzed a total cohort of 28 PCLBCL-LT cases by next generation sequencing with a Lymphopanel designed for DLBCL. We also analyzed 12 pairs of tumor and control DNA samples by whole exome sequencing which led us to perform resequencing of three selected genes not included in the Lymphopanel: TBL1XR1, KLHL6 and IKZF3...
May 4, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28477068/the-role-of-mir-130a-in-cancer
#16
REVIEW
He-da Zhang, Lin-Hong Jiang, Da-Wei Sun, Jian Li, Zhen-Ling Ji
MicroRNAs (miRs) are short and highly conserved non-coding RNAs molecules consisting of 18-25 nucleotides that regulate gene expression at post-transcriptional level by direct binding to complementary binding sites within the 3'untranslated region (3'UTR) of target mRNAs. New evidences have demonstrated that miRNAs play an important role in diverse physiological processes, including regulating cell growth, apoptosis, metastasis, drug resistance, and invasion. In chromosomes 11 and 22 of the miR-130 family, paralogous miRNA sequences, miR-130a and miR-130b are situated, respectively...
May 5, 2017: Breast Cancer: the Journal of the Japanese Breast Cancer Society
https://www.readbyqxmd.com/read/28469620/nf-%C3%AE%C2%BAb-pathway-in-autoinflammatory-diseases-dysregulation-of-protein-modifications-by-ubiquitin-defines-a-new-category-of-autoinflammatory-diseases
#17
REVIEW
Ivona Aksentijevich, Qing Zhou
Autoinflammatory diseases are caused by defects in genes that regulate the innate immunity. Recently, the scope of autoinflammation has been broadened to include diseases that result from dysregulations in protein modifications by the highly conserved ubiquitin (Ub) peptides. Thus far these diseases consist of linear ubiquitin chain assembly complex (LUBAC) and OTULIN deficiencies, and haploinsufficiency of A20. The LUBAC is critical for linear ubiquitination of key signaling molecules in immune response pathways, while deubiquitinase enzymes, OTULIN and TNFAIP3/A20, reverse the effects of ubiquitination by hydrolyzing linear (Met1) and Lys63 (K63) Ub moieties, respectively, from conjugated proteins...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28469402/integrative-analysis-of-microrna-mediated-gene-signatures-and-pathways-modulating-white-blood-cell-count-in-childhood-acute-lymphoblastic-leukemia
#18
Ritika Ramani, Gail Megason, Jason Schallheim, Cynthia Karlson, Vani Vijayakumar, Srinivasan Vijayakumar, Chindo Hicks
MicroRNAs (miRNAs) regulate the expression of protein-coding genes and represent potential biomarkers for childhood acute lymphoblastic leukemia (ALL). However, information linking miRNAs with their messenger RNA (mRNA) target genes modulating white blood cell (WBC) count is lacking. Here, we analyzed miRNAs and gene expression data from pediatric patients with ALL to identify a signature of miRNAs involved in ALL and their mRNA target genes, molecular networks, and biological pathways modulating WBC. We discovered a signature of miRNAs differentially expressed in ALL and a signature of mRNA target genes distinguishing patients with high WBC from patients with low WBC...
2017: Biomarker Insights
https://www.readbyqxmd.com/read/28466267/17%C3%AE-estradiol-via-sirt1-acetyl-p53-nf-kb-signaling-pathway-rescued-postnatal-rat-brain-against-acute-ethanol-intoxication
#19
Mehtab Khan, Shahid Ali Shah, Myeong Ok Kim
Growing evidences reveal that 17β-estradiol has a wide variety of neuroprotective potential. Recently, it has been shown that 17β-estradiol can limit ethanol-induced neurotoxicity in neonatal rats. Whether it can stimulate SIRT1 signaling against ethanol intoxicity in developing brain remain elusive. Here, we report for the first time that 17β-estradiol activated SIRT1 to deacetylate p53 proteins against acute ethanol-induced oxidative stress, neuroinflammation, and neurodegeneration. A single subcutaneous injection of ethanol-induced oxidative stress triggered phospho c-jun N terminal kinase (p-JNK) and phospho mammalian target of rapamycin (p-mTOR) accompanied by neuroinflammation and widespread neurodegeneration...
May 2, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28465656/resolvin-d1-inhibits-inflammatory-response-in-stz-induced-diabetic-retinopathy-rats-possible-involvement-of-nlrp3-inflammasome-and-nf-%C3%AE%C2%BAb-signaling-pathway
#20
Yizhou Yin, Fei Chen, Wenyan Wang, Han Wang, Xuedong Zhang
PURPOSE: To investigate the effect of resolvin D1 (RvD1) on the Nod-like receptor family pyrin domain-containing (NLRP3) inflammasome and the nuclear factor-kappa beta (NF-κB) pathway in streptozotocin (STZ)-induced diabetic retinopathy in rats. METHODS: Ninety-six male rats were divided into four groups: control, STZ, RvD1, and vehicle. The rats with diabetic retinopathy induced by STZ in the RvD1 and vehicle groups were given an intravitreal injection of RvD1 (1,000 ng/kg) or the same dosage of vehicle, respectively...
2017: Molecular Vision
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