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https://www.readbyqxmd.com/read/28343296/ibuprofen-protects-from-cypermethrin-induced-changes-in-the-striatal-dendritic-length-and-spine-density
#1
Pratibha Tripathi, Ashish Singh, Lakshmi Bala, Devendra Kumar Patel, Mahendra Pratap Singh
Microgliosis and inflammation are major wrongdoers in cypermethrin-induced Parkinsonism along with oxidative stress, mitochondrial dysfunction and α-synuclein aggregation. Dopamine depletion could alter dendritic morphology, length and spine number in the striatum. Present study investigated the effect of ibuprofen on the dendritic morphology, length and spine density in cypermethrin PD model. Male pups were treated intraperitoneally with cypermethrin during postnatal days followed by adulthood to induce Parkinsonism using standard procedure along with controls...
March 25, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28339761/combined-modality-therapy-in-stage-iiia-non-small-cell-lung-cancer-clarity-or-confusion-despite-the-highest-level-of-evidence
#2
Branislav Jeremic, Francesc Casas, Pavol Dubinsky, Antonio Gomez-Caamano, Nikola Cihoric, Gregory Videtic, Miroslav Latinovic
Recent years have witnessed a number of clinical trials in Stage IIIA non-small cell lung cancer (NSCLC) comparing (A) induction chemotherapy (CHT) with induction CHT and radiotherapy (RT), each followed by surgery; (B) either induction CHT or induction RT-CHT, each followed by surgery, with definitive RT-CHT (no surgery). Due to the heterogeneity of patient, tumor and treatment characteristics across these trials, various meta-analyses (MAs) have been performed to define the optimal treatment approach in this setting for this clinical presentation...
February 24, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28338173/valsartan-reduces-at1-aa-induced-apoptosis-through-suppression-oxidative-stress-mediated-er-stress-in-endothelial-progenitor-cells
#3
Z-C Wang, J Qi, L-M Liu, J Li, H-Y Xu, B Liang, B Li
OBJECTIVE: Valsartan has been reported to have the function of treating hypertension and improving the prognosis of patients. Many studies indicated that valsartan can also increase angiotensin II, andosterone and plasma renin activity (PRA). Autoantibodies against the angiotensin II type 1 receptor (AT1-AA) have been showed to increase reactive oxygen species (ROS) and calcium (Ca2+) and result in apoptosis in vascular smooth muscle cells. In this study, we attempted to explore the effect of valsartan on AT1-AA-induced apoptosis in endothelial progenitor cells...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28335387/dectin-1-mediated-pathway-contributes-to-fusarium-proliferatum-induced-cxcl-8-release-from-human-respiratory-epithelial-cells
#4
Chang-Ching Yeh, Huann-Cheng Horng, Hong Chou, Hsiao-Yun Tai, Horng-Der Shen, Shie-Liang Hsieh, Peng-Hui Wang
Fusarium species are causative agents of human respiratory disorders and are distributed widely in our environment. Little is known of their interaction with human respiratory epithelial cells, which may contribute to allergic airway responses. In this study, we report on the release of C-X-C motif chemokine ligand 8 (CXCL-8) from human bronchial epithelial BEAS-2B cells upon stimulation with Fusarium proliferatum extracts. F. proliferatum-induced cytokine release from BEAS-2B cells was determined by cytokine array and CXCL-8 enzyme-linked immunosorbent assay (ELISA) kits...
March 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28334774/high-tolerance-to-self-targeting-of-the-genome-by-the-endogenous-crispr-cas-system-in-an-archaeon
#5
Aris-Edda Stachler, Israela Turgeman-Grott, Ella Shtifman-Segal, Thorsten Allers, Anita Marchfelder, Uri Gophna
CRISPR-Cas systems allow bacteria and archaea to acquire sequence-specific immunity against selfish genetic elements such as viruses and plasmids, by specific degradation of invader DNA or RNA. However, this involves the risk of autoimmunity if immune memory against host DNA is mistakenly acquired. Such autoimmunity has been shown to be highly toxic in several bacteria and is believed to be one of the major costs of maintaining these defense systems. Here we generated an experimental system in which a non-essential gene, required for pigment production and the reddish colony color, is targeted by the CRISPR-Cas I-B system of the halophilic archaeon Haloferax volcanii...
March 2, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/28333382/regulation-and-function-of-extracellular-nicotinamide-phosphoribosyltransferase-visfatin
#6
Federico Carbone, Luca Liberale, Aldo Bonaventura, Alessandra Vecchiè, Matteo Casula, Michele Cea, Fiammetta Monacelli, Irene Caffa, Santina Bruzzone, Fabrizio Montecucco, Alessio Nencioni
Nicotinamide phosphoribosyltransferase (NAMPT) is an adipokine-enzyme, which was described as to play bioactivities both in the intracellular and in the extracellular environment. However, while the functions of intracellular NAMPT (iNAMPT) are well known, much less is known on extracellular NAMPT (eNAMPT), also called visfatin or pre-B cell colony-enhancing factor. iNAMPT catalyzes the rate-limiting step in the NAD+ biosynthesis pathway from nicotinamide. Its inhibition severely reduces intracellular NAD+ levels, achieving anti-inflammatory and anti-cancer effects...
March 16, 2017: Comprehensive Physiology
https://www.readbyqxmd.com/read/28332287/pretransplant-numbers-of-cd16-monocytes-as-a-novel-biomarker-to-predict-acute-rejection-after-kidney-transplantation-a-pilot-study
#7
Thierry P P van den Bosch, Luuk B Hilbrands, Rens Kraaijeveld, Nicolle H R Litjens, Farhad Rezaee, Daan Nieboer, Ewout W Steyerberg, Judith A van Gestel, Dave L Roelen, Marian C Clahsen-van Groningen, Carla C Baan, Ajda T Rowshani
Acute rejection is one of the major immunological determinants of kidney graft function and survival. Early biomarkers to predict rejection are lacking. Emerging evidence reveals a crucial role for the monocyte-macrophage lineage cells in the pathogenesis of rejection. We hypothesized that higher pre-transplant numbers of proinflammatory CD16+ monocytes can predict rejection. The study cohort consisted of 104 kidney transplant recipients (58 no-rejections and 46 biopsy-proven rejections), and 33 healthy individuals...
March 23, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28331082/kaposi-s-sarcoma-associated-herpesvirus-hijacks-rna-polymerase-ii-to-create-a-viral-transcriptional-factory
#8
Christopher Phillip Chen, Yuanzhi Lyu, Frank Chuang, Kazushi Nakano, Chie Izumiya, Di Jin, Mel Campbell, Yoshihiro Izumiya
Locally concentrated nuclear factors ensure efficient binding to the DNA templates, facilitating RNA polymerase II recruitment and frequent reutilization of stable pre-initiation complexes. Here we have uncovered a mechanism for effective viral transcription by focal assembly of RNA polymerase II around KSHV genomes in the host cell nucleus. Using immunofluorescent labeling of latent nuclear antigen (LANA) protein, together with fluorescence in situ RNA hybridization (RNA-FISH) of the intron region of immediate-early transcripts, we visualized active transcription of viral genomes in naturally infected cells...
March 22, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28329516/precursor-b-cell-all-leukemia-cutis-resembling-lipomas-an-atypical-presentation-of-a-rare-entity-and-a-review-of-the-literature
#9
Yuan Yu Michael Huang, Melinda Liu, Jennifer S Ruth, Silvia Potenziani, Sylvia Hsu
Leukemia cutis (LC) is an extramedullary manifestationof leukemia owing to cutaneous infiltration ofneoplastic cells resulting in characteristic firm,erythematous nodules. Most cases of LC occur inpatients with acute myelogenous leukemia andchronic myelogenous leukemia. However in rarecases, LC has presented in patients with acutelymphoblastic leukemia (ALL). In these rare ALLassociatedcases, only 10 cases of precursor-B-ALL(pre-B-ALL) have been described in the literature.We report a case of a 22-year-old man with relapsingpre-B-ALL who presented with a 4-day history ofmultiple asymptomatic, soft, dome-shaped, lipomalikemounds on his scalp and chin, which exhibitedcutaneous involvement by leukemic cells...
March 15, 2017: Dermatology Online Journal
https://www.readbyqxmd.com/read/28327944/a-phase-2-randomized-double-blind-placebo-%C3%A2-controlled-study-of-chemo-immunotherapy-combination-using-motolimod-with-pegylated-liposomal-doxorubicin-in-recurrent-or-persistent-ovarian-cancer-a-gynecologic-oncology-group-partners-study
#10
B J Monk, M F Brady, C Aghajanian, H A Lankes, T Rizack, J Leach, J M Fowler, R Higgins, P Hanjani, M Morgan, R Edwards, W Bradley, T Kolevska, P Foukas, E Swisher, K S Anderson, R Gottardo, J K Bryan, M Newkirk, K L Manjarrez, R S Mannel, R M Hershberg, G Coukos
Background: A phase 2, randomized, placebo-controlled trial was conducted in women with recurrent epithelial ovarian carcinoma to evaluate the efficacy and safety of motolimod-a Toll-like receptor 8 (TLR8) agonist that stimulates robust innate immune responses-combined with pegylated liposomal doxorubicin (PLD), a chemotherapeutic that induces immunogenic cell death. Patients and methods: Women with ovarian, fallopian tube, or primary peritoneal carcinoma were randomized 1 : 1 to receive PLD in combination with blinded motolimod or placebo...
February 21, 2017: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/28326001/the-role-of-plant-processing-for-the-cancer-preventive-potential-of-ethiopian-kale-brassica-carinata
#11
Grace Akinyi Odongo, Nina Schlotz, Corinna Herz, Franziska S Hanschen, Susanne Baldermann, Susanne Neugart, Bernhard Trierweiler, Lara Frommherz, Charles M A P Franz, Benard Ngwene, Abraham Wahid Luvonga, Monika Schreiner, Sascha Rohn, Evelyn Lamy
Background: Ethiopian kale (Brassica carinata) is a horticulturally important crop used as leafy vegetable in large parts of East and Southern Africa. The leaves are reported to contain high concentrations of health-promoting secondary plant metabolites. However, scientific knowledge on their health benefits is scarce. Objective: This study aimed to determine the cancer preventive potential of B. carinata using a human liver in vitro model focusing on processing effects on the pattern of secondary plant metabolites and bioactivity...
2017: Food & Nutrition Research
https://www.readbyqxmd.com/read/28325303/inhibition-of-egf-uptake-by-nephrotoxic-antisense-drugs-in%C3%A2-vitro-and-implications-for-preclinical-safety-profiling
#12
Annie Moisan, Marcel Gubler, Jitao David Zhang, Yann Tessier, Kamille Dumong Erichsen, Sabine Sewing, Régine Gérard, Blandine Avignon, Sylwia Huber, Fethallah Benmansour, Xing Chen, Roberto Villaseñor, Annamaria Braendli-Baiocco, Matthias Festag, Andreas Maunz, Thomas Singer, Franz Schuler, Adrian B Roth
Antisense oligonucleotide (AON) therapeutics offer new avenues to pursue clinically relevant targets inaccessible with other technologies. Advances in improving AON affinity and stability by incorporation of high affinity nucleotides, such as locked nucleic acids (LNA), have sometimes been stifled by safety liabilities related to their accumulation in the kidney tubule. In an attempt to predict and understand the mechanisms of LNA-AON-induced renal tubular toxicity, we established human cell models that recapitulate in vivo behavior of pre-clinically and clinically unfavorable LNA-AON drug candidates...
March 17, 2017: Molecular Therapy. Nucleic Acids
https://www.readbyqxmd.com/read/28322323/anti-inflammatory-properties-of-shikonin-contribute-to-improved-early-stage-diabetic-retinopathy
#13
Po-Lin Liao, Cheng-Hui Lin, Ching-Hao Li, Chi-Hao Tsai, Jau-Der Ho, George C Y Chiou, Jaw-Jou Kang, Yu-Wen Cheng
Diabetic retinopathy (DR), a major microvascular complication of diabetes, leads to retinal vascular leakage, neuronal dysfunction, and apoptosis within the retina. In this study, we combined STZ with whole-body hypoxia (10% O2) for quicker induction of early-stage retinopathy in C57BL/6 mice. We also compared the effects of a high glucose condition combined with hypoxia (1% O2) to a low glucose condition by using retinal pigment epithelial (RPE) cells, which are a crucial component of the outer blood-retinal barrier and the damage is related to retinopathy...
March 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28321480/a-new-peptide-vaccine-ocv-501-in-vitro-pharmacology-and-phase-1-study-in-patients-with-acute-myeloid-leukemia
#14
Yukio Kobayashi, Toru Sakura, Shuichi Miyawaki, Kazuyuki Toga, Shinji Sogo, Yuji Heike
Wilms' tumor 1 (WT1) is a promising target of new immunotherapies for acute myeloid leukemia (AML) as well as for other cancers. OCV-501 is a helper peptide derived from the WT1 protein. OCV-501 induced OCV-501-specific Type 1 T-helper (Th1) responses dose-dependently and stimulated helper activity of the specific Th1 cells in peripheral blood mononuclear cells from healthy donors. OCV-501 also enhanced the increase in WT1-killer peptide-specific cytotoxic T lymphocytes. OCV-501 stimulated the OCV-501-specific Th1 clones in an HLA class-II restricted manner and formed a complex with HLA class-II protein...
March 20, 2017: Cancer Immunology, Immunotherapy: CII
https://www.readbyqxmd.com/read/28319850/methylation-of-hpa-axis-related-genes-in-men-with-hypersexual-disorder
#15
Jussi Jokinen, Adrian E Boström, Andreas Chatzittofis, Diana M Ciuculete, Katarina Görts Öberg, John N Flanagan, Stefan Arver, Helgi B Schiöth
Hypersexual Disorder (HD) defined as non-paraphilic sexual desire disorder with components of compulsivity, impulsivity and behavioral addiction, and proposed as a diagnosis in the DSM 5, shares some overlapping features with substance use disorder including common neurotransmitter systems and dysregulated hypothalamic-pituitary-adrenal (HPA) axis function. In this study, comprising 67 HD male patients and 39 male healthy volunteers, we aimed to identify HPA-axis coupled CpG-sites, in which modifications of the epigenetic profile are associated with hypersexuality...
March 10, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28318487/a-high-resolution-map-of-transcriptional-repression
#16
Ziwei Liang, Karen Brown, Thomas Carroll, Benjamin Taylor, Isabel Ferreirós Vidal, Brian Hendrich, David Rueda, Amanda G Fisher, Matthias Merkenschlager
Turning genes on and off is essential for development and homeostasis, yet little is known about the sequence and causal role of chromatin state changes during the repression of active genes. This is surprising, as defective gene silencing underlies developmental abnormalities and disease. Here we delineate the sequence and functional contribution of transcriptional repression mechanisms at high temporal resolution. Inducible entry of the NuRD-interacting transcriptional regulator Ikaros into mouse pre-B cell nuclei triggered immediate binding to target gene promoters...
March 20, 2017: ELife
https://www.readbyqxmd.com/read/28315462/implications-of-cerebrovascular-atp-binding-cassette-transporter-g1-abcg1-and-apolipoprotein-m-in-cholesterol-transport-at-the-blood-brain-barrier
#17
Alexandra Carmen Kober, Anil Paul Chirackal Manavalan, Carmen Tam-Amersdorfer, Andreas Holmér, Ahmed Saeed, Elham Fanaee-Danesh, Martina Zandl, Nicole Maria Albrecher, Ingemar Björkhem, Gerhard M Kostner, Björn Dahlbäck, Ute Panzenboeck
Impaired cholesterol/lipoprotein metabolism is linked to neurodegenerative diseases such as Alzheimer's disease (AD). Cerebral cholesterol homeostasis is maintained by the highly efficient blood-brain barrier (BBB) and flux of the oxysterols 24(S)-hydroxycholesterol and 27-hydroxycholesterol, potent liver-X-receptor (LXR) activators. HDL and their apolipoproteins are crucial for cerebral lipid transfer, and loss of ATP binding cassette transporters (ABC)G1 and G4 results in toxic accumulation of oxysterols in the brain...
March 14, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28315150/radioiodination-and-preclinical-evaluation-of-4-benzyl-1-3-125-i-iodobenzylsulfonyl-piperidine-as-a-breast-tumor-imaging-tracer-in-mouse
#18
Masoud Sadeghzadeh, Behrouz Alirezapour, Ghorban Ali Charkhlooie, Maryam Keshavarz Baghery, Amir Khorouti
OBJECTIVE: 4-Benzyl-1-(3-iodobenzylsulfonyl)piperidine, 4-B-IBSP, has shown high-binding affinity to both sigma (σ) receptors in our previous work. In current study, radiolabeling and preclinical evaluation of 4-benzyl-1-(3-[(125)I]-iodobenzylsulfonyl)piperidine, 4-B-[(125)I]IBSP, in human ductal breast carcinoma (T47D) cells and in breast adenocarcinoma-bearing BALB/c mice are described. METHODS: Radioiodination of this new σ ligand was performed by a palladium-catalyzed stannylation approach followed by oxidative iododestannylation reaction using Iodo-Gen...
March 17, 2017: Annals of Nuclear Medicine
https://www.readbyqxmd.com/read/28304275/pcgf6-prc1-suppresses-premature-differentiation-of-mouse-embryonic-stem-cells-by-regulating-germ-cell-related-genes
#19
Mitsuhiro Endoh, Takaho A Endo, Jun Shinga, Katsuhiko Hayashi, Anca Farcas, Kit-Wan Ma, Shinsuke Ito, Jafar Sharif, Tamie Endoh, Naoko Onaga, Manabu Nakayama, Tomoyuki Ishikura, Osamu Masui, Benedikt M Kessler, Toshio Suda, Osamu Ohara, Akihiko Okuda, Robert J Klose, Haruhiko Koseki
The ring finger protein PCGF6 (polycomb group ring finger 6) interacts with RING1A/B and E2F6 associated factors to form a non-canonical PRC1 (polycomb repressive complex 1) known as PCGF6-PRC1. Here, we demonstrate that PCGF6-PRC1 plays a role in repressing a subset of PRC1 target genes by recruiting RING1B and mediating downstream mono-ubiquitination of histone H2A. PCGF6-PRC1 bound loci are highly enriched for promoters of germ cell-related genes in mouse embryonic stem cells (ESCs). Conditional ablation of Pcgf6 in ESCs leads to robust de-repression of such germ cell-related genes, in turn affecting cell growth and viability...
March 17, 2017: ELife
https://www.readbyqxmd.com/read/28303138/importance-of-salmonella-typhi-responsive-cd8-t-cell-immunity-in-a-human-typhoid-fever-challenge-model
#20
Stephanie Fresnay, Monica A McArthur, Laurence S Magder, Thomas C Darton, Claire Jones, Claire S Waddington, Christoph J Blohmke, Brian Angus, Myron M Levine, Andrew J Pollard, Marcelo B Sztein
Typhoid fever, caused by the human-restricted organism Salmonella enterica serovar Typhi (S. Typhi), constitutes a major global health problem. The development of improved attenuated vaccines is pressing, but delayed by the lack of appropriate preclinical models. Herein, we report that high levels of S. Typhi-responsive CD8+ T cells at baseline significantly correlate with an increased risk of disease in humans challenged with a high dose (~10(4) CFU) wild-type S. Typhi. Typhoid fever development was associated with higher multifunctional S...
2017: Frontiers in Immunology
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