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https://www.readbyqxmd.com/read/28078844/a-natural-formula-containing-lactoferrin-equisetum-arvensis-soy-isoflavones-and-vitamin-d3-modulates-bone-remodeling-and-inflammatory-markers-in-young-and-aged-rats
#1
L Menghini, C Ferrante, L Leporini, L Recinella, A Chiavaroli, S Leone, G Pintore, M Vacca, G Orlando, L Brunetti
A pivotal role in osteoporosis development is played by radical oxygen species (ROS), the increased production of which is related to inhibited osteoblastic activity and bone formation. A new field of research could involve medicinal plants with antioxidant and protective effects in osteoporosis. Furthermore, considering the multifactorial metabolic aspects of osteoporosis, the pharmacological association of multiple medicinal plants could improve patient response. The aim of the present study is to evaluate in vitro and in vivo the protective effects of a natural formula containing lactoferrin 12%, Equisetum arvensis ES 54%, soy isoflavones 34% and vitamin D3 0...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28062830/dissecting-inherent-intratumor-heterogeneity-in-patient-derived-glioblastoma-culture-models
#2
Jian Teng, Cintia Carla da Hora, Rami S Kantar, Ichiro Nakano, Hiroaki Wakimoto, Tracy T Batchelor, E Antonio Chiocca, Christian E Badr, Bakhos A Tannous
BACKGROUND: Molecular profile of glioblastoma multiforme (GBM) revealed 4 subtypes, 2 of which, proneural and mesenchymal, have been predominantly observed, with the latter displaying a more aggressive phenotype and increased therapeutic resistance. Single-cell RNA sequencing revealed that multiple subtypes actually reside within the same tumor, suggesting cellular heterogeneity in GBM. Further, plasticity between these 2 subtypes is observed during tumor recurrence and in response to radiation therapy...
January 6, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28056186/tampering-with-cancer-chemoresistance-by-targeting-the-tgm2-il6-autophagy-regulatory-network
#3
Han Zhang, Nami McCarty
Macroautophagy/autophagy is a well-established process involved in maintaining cellular homeostasis, but its role in cancer is complex and even controversial. Many studies have reported a correlative relationship between increased autophagy and evolving cancer cells under stress conditions such as nutrient or oxygen deprivation; however, there has been a lack of a plausible mechanistic link to properly target the autophagy process in the context of this microenvironment. We recently unveiled a positive regulatory loop involving TGM2 (transglutaminase 2)-NFKB/NF-κB signaling, IL6 and autophagy in cancer using mantle cell lymphoma (MCL) as a model system...
January 5, 2017: Autophagy
https://www.readbyqxmd.com/read/28043969/the-role-of-nfkb-in-drug-addiction-beyond-inflammation
#4
REVIEW
S E Nennig, J R Schank
AIMS: Nuclear factor kappa light chain enhancer of activated B cells (NFkB) is a ubiquitous transcription factor well known for its role in the innate immune response. As such, NFkB is a transcriptional activator of inflammatory mediators such as cytokines. It has recently been demonstrated that alcohol and other drugs of abuse can induce NFkB activity and cytokine expression in the brain. A number of reviews have been published highlighting this effect of alcohol, and have linked increased NFkB function to neuroimmune-stimulated toxicity...
January 1, 2017: Alcohol and Alcoholism: International Journal of the Medical Council on Alcoholism
https://www.readbyqxmd.com/read/28031331/activation-dependent-traf3-exon-8-alternative-splicing-is-controlled-by-celf2-and-hnrnp-c-binding-to-an-upstream-intronic-element
#5
Astrid-Solveig Schultz, Marco Preußner, Mario Bunse, Rotem Karni, Florian Heyd
Cell-type specific and inducible alternative splicing has a fundamental impact on regulating gene expression and cellular function in a variety of settings including activation and differentiation. We have recently shown that activation-induced skipping of TRAF3 exon 8 activates non-canonical NFkB signaling upon T cell stimulation, but the regulatory basis for this splicing event remains unknown. Here we identify cis- and trans-regulatory elements rendering this splicing switch activation-dependent and cell-type specific...
December 28, 2016: Molecular and Cellular Biology
https://www.readbyqxmd.com/read/28031235/htp-nutraceutical-screening-for-histone-deacetylase-inhibitors-and-effects-of-hdacis-on-tumor-suppressing-mirnas-by-trichostatin-a-and-grapeseed-vitis-vinifera-in-hela-cells
#6
Elizabeth A Mazzio, Karam F A Soliman
BACKGROUND/AIM: Aggressive tumor malignancies are a consequence of delayed diagnosis, epigenetic/phenotype changes and chemo-radiation resistance. Histone deacetylases (HDACs) are a major epigenetic regulator of transcriptional repression, which are highly overexpressed in advanced malignancy. While original chemotherapy drugs were modeled after phytochemicals elucidated by botanical screenings, HDAC inhibitors (HDACi) such as apicidin, trichostatin A (TSA) and butyrate were discovered as products of fungus and microbes, in particular, gut microbiota...
January 2017: Cancer Genomics & Proteomics
https://www.readbyqxmd.com/read/28028966/glycogen-synthase-kinase-3%C3%AE-gsk-3%C3%AE-and-nuclear-factor-kappa-b-nfkb-in-childhood-acute-lymphoblastic-leukemia
#7
Cristian Fabian Layton Tovar, Hugo Mendieta Zerón, Maria Del Socorro Camarillo Romero, Yanko V Fabila Sánchez, Isidoro Tejocote Romero
BACKGROUND: Acute lymphocytic leukemia (ALL) is the most common hematologic malignancy in early childhood. In children with acute lymphoblastic leukemia (ALL), the activity of glycogen synthase kinase (GSK-3β) has been associated with changes in the transcriptional activity and expression of nuclear factor kappa beta (NFKB) in the mononuclear cells of bone marrow. OBJECTIVES: The aim of the study was to determine the possible role of glycogen synthase kinase 3beta (GSK-3β) and nuclear factor kappa beta (NFKB) as prognostic variables in pediatric patients with ALL...
November 2016: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28025386/tweak-up-regulates-endothelin-1-system-in-mouse-and-human-endothelial-cells
#8
Patricia Martínez-Miguel, Diana Medrano-Andrés, Mercedes Griera-Merino, Alberto Ortiz, Manuel Rodríguez-Puyol, Diego Rodríguez-Puyol, Susana López-Ongil
: TNF-like weak inducer of apoptosis (TWEAK) is a member of TNF superfamily; it has different biological functions such as inflammation, angiogenesis, proliferation and apoptosis. TWEAK and Fn14 are expressed in different cell types, including endothelial and smooth muscle cells. Despite their presence in endothelial cells, the effect of TWEAK on endothelial function is incompletely defined. AIM: To analyze the ability of TWEAK to modify the endothelin system, particularly ET-1 and ECE-1, studying the intracellular mechanisms implied...
December 25, 2016: Cardiovascular Research
https://www.readbyqxmd.com/read/28024857/calpain-inhibition-decreases-inflammatory-protein-expression-in-vessel-walls-in-a-model-of-chronic-myocardial-ischemia
#9
Brittany A Potz, Ashraf A Sabe, Nassrene Y Elmadhun, Sharif A Sabe, Benedikt J V Braun, Richard T Clements, Anny Usheva, Frank W Sellke
BACKGROUND: Emerging data suggest a link between calpain activation and the enhanced inflammatory response of the cardiovascular system. We hypothesize that calpain activation associates with altered inflammatory protein expression in correlation with the proinflammatory profile of the myocardium. Our pig hypercholesterolemic model with chronic myocardial ischemia was treated with calpain inhibitors to establish their potential to improve cardiac function. METHODS: Yorkshire swine, fed a high cholesterol diet for 4 weeks then underwent placement of an ameroid constrictor on the left circumflex artery...
December 23, 2016: Surgery
https://www.readbyqxmd.com/read/28006108/preliminary-assessment-of-safety-pharmacokinetics-and-dose-finding-for-digitoxin-for-airway-inflammation-in-cystic-fibrosis
#10
Pamela L Zeitlin, Marie Diener-West, Karen A Callahan, Seakwoo Lee, C Conover Talbot, Bette Pollard, Michael P Boyle, Noah Lechtzin
RATIONALE: Cystic Fibrosis (CF) lung disease progresses by a combination of airways inflammation, bacterial colonization, and infection. Airways inflammation is predominantly neutrophilic and complicates airway clearance therapies through cellular debris, excessive DNA, excessive and viscous mucous, and high concentrations of neutrophils, Il-8 and related cytokines liberated along the NFkB signaling pathway. OBJECTIVE: We conducted a single site, randomized, double blind, placebo-controlled, preliminary study in which we evaluated the effects of 28 days of two dose levels (0...
December 22, 2016: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/28000476/neuroprotective-effect-of-sapucaia-nuts-lecythis-pisonis-on-rats-fed-with-high-fat-diet
#11
Marcos Vidal Martins, Izabela Maria Montezano de Carvalho, Mônica Maria Magalhães Caetano, Renata Celi Lopes Toledo, Antônio Avelar Xavier, José Humberto De Queiroz
BACKGROUND: Lecythis pisonis Cambess is commonly known as "castanha de sapucaia" in Brazil. Chemical composition studies revealed that this nut is an excellent source of anti-oxidant minerals and of essential lipids. OBJECTIVE: The aim of the present study is to assess the anti-oxidant and anti-inflammatory effect of Lecythis pisonis Cambess on the brain tissue of Wistar rats. MATERIAL AND METHODS: The animals were divided in four experimental groups (n = 6), total of forty-eight rats...
November 29, 2016: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/27999742/reprogramming-of-tlr7-signaling-enhances-antitumor-nk-and-cytotoxic-t-cell-responses
#12
Christian Hotz, Marina Treinies, Ines Mottas, Laurin C Rötzer, Anne Oberson, Lorenzo Spagnuolo, Maurizio Perdicchio, Thibaud Spinetti, Tina Herbst, Carole Bourquin
Toll-like receptor (TLR) 7 agonists are effective in topical application for the immunotherapy of skin cancers, but their performance for the systemic treatment of solid tumors is limited by the development of TLR tolerance. In this study, we describe a novel strategy to overcome TLR tolerance and enhance TLR7-dependent antitumor immune responses through reprogramming of TLR signaling pathways. The sensitivity of TLR7 signaling in dendritic cells (DC) was increased by prior stimulation with the dsRNA poly(I:C) that mimics virally induced immune activation...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27997977/regulation-of-hepatocellular-fatty-acid-uptake-in-mouse-models-of-fatty-liver-disease-with-and-without-functional-leptin-signaling-roles-of-nfkb-and-srebp-1c-and-the-effects-of-spexin
#13
Jasmine F Ge, J L Walewski, D Anglade, P D Berk
The processes causing increased hepatic triglycerides (TGs) in mouse models of hepatic steatosis (HS) due to high fat diet (HFD)-induced obesity (DIO), EtOH consumption, or obesity mutations (ob/ob, db/db) are uncertain. This report summarizes two studies. Study 1 focused on regulation by five transcription factors (TFs) (NfKb, Srebp-lc, AMPK, PPARα, PPARγ) of seven, much-studied hepatic long-chain fatty acid (LCFA) transporters (FABPpm, CD36, FATPl, FATP2, FATP4, FATP5, & Caveolin-1 [CAV-1]), and expression of genes for enzymes of LCFA synthesis (SCD-1, FASN) in mice with HS from various causes...
September 2016: Seminars in Liver Disease
https://www.readbyqxmd.com/read/27995417/high-density-lipoprotein-from-subjects-with-coronary-artery-disease-promotes-macrophage-foam-cell-formation-role-of-scavenger-receptor-cd36-and-erk-mapk-signaling
#14
S Sini, D Deepa, S Harikrishnan, N Jayakumari
Although high-density lipoprotein is atheroprotective, it can become dysfunctional in chronic inflammatory conditions and increase cardiovascular risk. We previously demonstrated that HDL from subjects with documented coronary artery disease is dysfunctional and is pro-oxidant/proinflammatory in macrophages. Here we examined the influence of dysfunctional/proinflammatory HDL (piHDL) on lipid accumulation in human macrophages, in comparison to functional HDL (nHDL). Exposure of macrophages to piHDL, in contrast to nHDL, resulted in oxidative stress and marked uptake of lipids from piHDL, leading to the formation of foam cell phenotype as noted by oil red O staining with concomitant increase in total cellular cholesterol content...
December 19, 2016: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/27977859/immune-cell-profile-of-dental-pulp-tissue-treated-with-zoledronic-acid
#15
P G de Barros Silva, M E Q L Verde, L A C Brizeno, D V T Wong, R C P Lima Júnior, F B Sousa, M R L Mota, A P N N Alves
AIM: To characterize the pulp immune cell profile in the teeth of rats treated with zoledronic acid (ZA). METHODOLOGY: Male Wistar rats (n = 6 per group) received four intravenous infusions of ZA at doses of 0.04, 0.20 or 1.00 mg kg(-1) ZA or saline (control). On the 70th experimental day, they were euthanized. The first right molar was examined microscopically and submitted to toluidine blue reaction and immunohistochemical for CD68, tumour necrosis Factor (TNF)-α, interleukin (IL)-1β, inducible nitric oxide synthase (iNOS), nuclear factor kappa B (NF-kB) and IL-18 binding protein (IL-18 bp)...
December 15, 2016: International Endodontic Journal
https://www.readbyqxmd.com/read/27936162/discovery-of-a-novel-isothiazolonaphthoquinone-based-small-molecule-activator-of-foxo-nuclear-cytoplasmic-shuttling
#16
Bastien Cautain, Francisco Castillo, Loana Musso, Bibiana I Ferreira, Nuria de Pedro, Lorena Rodriguez Quesada, Susana Machado, Francisca Vicente, Sabrina Dallavalle, Wolfgang Link
FOXO factors are tumour suppressor proteins commonly inactivated in human tumours by posttranslational modifications. Furthermore, genetic variation within the FOXO3a gene is consistently associated with human longevity. Therefore, the pharmacological activation of FOXO proteins is considered as an attractive therapeutic approach to treat cancer and age-related diseases. In order to identify agents capable of activating FOXOs, we tested a collection of small chemical compounds using image-based high content screening technology...
2016: PloS One
https://www.readbyqxmd.com/read/27923841/biological-and-clinical-relevance-of-associated-genomic-alterations-in-myd88-l265p-and-non-l265p-mutated-diffuse-large-b-cell-lymphoma-analysis-of-361-cases
#17
Sydney Dubois, Pierre-Julien Viailly, Elodie Bohers, Philippe Bertrand, Philippe Ruminy, Vinciane Marchand, Catherine Maingonnat, Sylvain Mareschal, Jean-Michel Picquenot, Dominique Penther, Jean-Philippe Jais, Bruno Tesson, Pauline Peyrouze, Martin Figeac, Fabienne Desmots, Thierry Fest, Corinne Haioun, Thierry Lamy, Christiane Copie-Bergman, Bettina Fabiani, Richard Delarue, Frederic Peyrade, Marc André, Nicolas Ketterer, Karen Leroy, Gilles Salles, Thierry J Molina, Herve Tilly, Fabrice Jardin
PURPOSE: MYD88 mutations, notably the recurrent gain-of-function L265P variant, are a distinguishing feature of Activated B-Cell like (ABC) Diffuse Large B Cell Lymphoma (DLBCL), leading to constitutive NFkB pathway activation. The aim of this study was to examine the distinct genomic profiles of MYD88 mutant DLBCL, notably according to the presence of the L265P or other non-L265P MYD88 variants. EXPERIMENTAL DESIGN: A cohort of 361 DLBCL cases (94 MYD88 mutant and 267 MYD88 wild-type) was submitted to next generation sequencing (NGS) focusing on 34 genes in order to analyze associated mutations and copy number variations, as well as gene expression profiling, and clinical and prognostic analyses...
December 6, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27914256/the-effect-of-sambucus-nigra-l-extract-and-phytosinthesized-gold-nanoparticles-on-diabetic-rats
#18
Razvan Opris, Corina Tatomir, Diana Olteanu, Remus Moldovan, Bianca Moldovan, Luminita David, Andras Nagy, Nicoleta Decea, Mihai Ludovic Kiss, Gabriela Adriana Filip
Nanomaterials such as gold nanoparticles (NPs) conjugated with natural products have shown good results in lowering the glycated hemoglobin and have an anti-inflamatory effect. The aim of our study is to evaluate the antidiabetic effect of NPs functionalized with Sambucus nigra L. (SN) extract on experimental model of diabetes in rats. Diabetes was induced to 18 Wistar male rats (n=6) by a single intramuscular injection of streptozotocin (30mg/kg body weight - b.w.). SN extract (15mg/kg b.w.), NPs (0.3mg/kg b...
November 27, 2016: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/27912080/the-itch-ubiquitin-ligase-is-required-for-kshv-rta-induced-vflip-degradation
#19
Jennifer C Chmura, Kevin Herold, Ayana Ruffin, Trudymae Atuobi, Yetunde Fabiyi, Ashley E Mitchell, Young Bong Choi, Elana S Ehrlich
Expression of Kaposi's sarcoma herpesvirus vFLIP, a potent activator of NFkB signaling, promotes latency. Inhibition of NFkB signaling promotes lytic reactivation. We previously reported that lytic inducer, RTA, inhibits vFLIP induced NFkB signaling by inducing the degradation of vFLIP via the proteasome. Here we report that the cellular ubiquitin ligase, Itch, is required for RTA induced degradation of vFLIP. Expression of either Itch targeting shRNA or a dominant negative mutant of the ubiquitin ligase both increased the stability of vFLIP in the presence of RTA...
January 15, 2017: Virology
https://www.readbyqxmd.com/read/27911568/nf%C3%AE%C2%BAb-mediates-mesenchymal-transition-remodeling-and-pulmonary-fibrosis-in-response-to-chronic-inflammation-by-viral-rna-patterns
#20
Bing Tian, Igor Patrikeev, Lorenzo Ochoa, Gracie Vargas, KarryAnne K Belanger, Julia Litvinov, Istvan Boldogh, Bill T Ameredes, Massoud Motamedi, Allan R Brasier
Airway remodeling is resultant of a complex multi-cellular response associated with a progressive decline of pulmonary function in patients with chronic airway disease. Here, repeated infections with respiratory viruses are linked with airway remodeling through largely unknown mechanisms. Although acute activation of the Toll like receptor (TLR)3 pathway by extracellular poly(I:C) induces innate signaling through the NFkB transcription factor in human small airway epithelial cells (hSAECs), prolonged (repetitive or tonic) poly(I:C) stimulation produces chronic stress fiber formation, mesenchymal transition and activation of a fibrotic program...
December 2, 2016: American Journal of Respiratory Cell and Molecular Biology
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