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https://www.readbyqxmd.com/read/29040945/quercetin-protects-mouse-liver-against-triptolide-induced-hepatic-injury-by-restoring-th17-treg-balance-through-tim-3-and-tlr4-myd88-nf-%C3%AE%C2%BAb-pathway
#1
Cai-Bing Wei, Kun Tao, Rong Jiang, Lian-Di Zhou, Qi-Hui Zhang, Chun-Su Yuan
Triptolide (TP) is a diterpene triepoxide with various biological activities, but its clinical applications have been limited by potential hepatotoxicity, which can be attributed to T helper 17 (Th17)/T regulatory (Treg) cell imbalance. Quercetin (QE), a natural flavonoid, has been reported to have many benefits and medicinal properties, including hepatoprotective activity against TP-induced liver injury. However, the hepatoprotection mechanisms have not been clarified. The present study was designed to explore the protective effect and the mechanism of QE against TP-induced liver injury...
October 14, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/29040711/diagnosis-and-outcome-of-biopsies-of-indeterminate-lesions-of-the-cavernous-sinus-and-meckel-s-cave-a-retrospective-case-series-in-85-patients
#2
Joshua D Hughes, Joseph Kapurch, Jamie J Van Gompel, Fredric B Meyer, Bruce E Pollock, John Atkinson, Michael J Link
BACKGROUND: When clinical presentation, laboratory studies, or imaging cannot diagnose cavernous sinus (CS) and/or Meckel's cave (MC) lesions, biopsy may be necessary. OBJECTIVE: To review our institutional series of biopsies of indeterminate CS and MC lesions. METHODS: Records from January 1994 to June 2016 were searched for biopsied indeterminate CS and MC lesions. We defined indeterminate as having an atypical imaging appearance or a broad differential and the need for tissue for definitive diagnosis...
October 11, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29040674/evaluation-of-apoptotic-and-autophagic-related-protein-expressions-before-and-after-in-vitro-maturation-of-fresh-slow-frozen-and-vitrified-pre-pubertal-mouse-testicular-tissue
#3
L Dumont, F Chalmel, A Oblette, B Berby, A Rives, V Duchesne, C Rondanino, N Rives
STUDY QUESTION: Do freezing and in vitro culture procedures enhance the expression of proteins involved in apoptotic or autophagic pathways in murine pre-pubertal testicular tissue? SUMMARY ANSWER: In vitro maturation strongly modified apoptosis- and autophagy-related relative protein levels in mice testicular tissue whereas the impact of cryopreservation procedures was minimal at the end of the culture. WHAT IS KNOWN ALREADY: In vitro spermatogenesis remains a challenging technical issue as it imposes to find a very close balance between survival and death of germ cell natural precursors (i...
October 11, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/29040430/transcriptomic-landscape-of-treatment-na%C3%A3-ve-ulcerative-colitis
#4
Hagar Taman, Christopher G Fenton, Inga V Hensel, Endre Anderssen, Jon Florholmen, Ruth H Paulssen
Background and Aims: Ulcerative colitis (UC) is a chronic inflammatory disease that effects the gastrointestinal tract and is considered one of the most prominent and common forms of inflammatory bowel disease (IBD). This study aimed to define and describe the entire transcriptomic landscape in a well-stratified, treatment-naïve UC patient population compared to control patients by using next-generation technology, RNA-Seq. Methods: Mucosal biopsies from treatment-naïve UC patients (n=14), and healthy controls (n=16) underwent RNA-Seq...
October 10, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/29040313/premature-aortic-smooth-muscle-cell-differentiation-contributes-to-matrix-dysregulation-in-marfan-syndrome
#5
Matthew Dale, Matthew P Fitzgerald, Zhibo Liu, Trevor Meisinger, Andrew Karpisek, Laura N Purcell, Jeffrey S Carson, Paul Harding, Haili Lang, Panagiotis Koutakis, Rishi Batra, Constance J Mietus, George Casale, Iraklis Pipinos, B Timothy Baxter, Wanfen Xiong
Thoracic aortic aneurysm and dissection are life-threatening complications of Marfan syndrome (MFS). Studies of human and mouse aortic samples from late stage MFS demonstrate increased TGF-β activation/signaling and diffuse matrix changes. However, the role of the aortic smooth muscle cell (SMC) phenotype in early aneurysm formation in MFS has yet to be fully elucidated. As our objective, we investigated whether an altered aortic SMC phenotype plays a role in aneurysm formation in MFS. We describe previously unrecognized concordant findings in the aortas of a murine model of MFS, mgR, during a critical and dynamic phase of early development...
2017: PloS One
https://www.readbyqxmd.com/read/29039997/orbital-t-cell-lymphoma-versus-lupus-panniculitits-a-t-cell-mediated-spectrum-of-orbital-lymphoproliferative-disease
#6
Alison B Huggins, Charles Kim, Michael P Rabinowitz
This is a case description of a single male patient found to have T-cell-mediated inflammation and lymphoproliferation of the orbit. Chronic T-cell-mediated inflammatory disease can pose a diagnostic challenge particularly in its differentiation from a neoplastic process. The histopathology in this case demonstrated features of both lupus erythematosus panniculitis and features of orbital T-cell lymphoma. While both are rare, lupus erythematosus panniculitis of the orbit is even more exceptional; this patient's indolent, chronic relapsing course distinguished itself from the typical aggression of orbital T-cell lymphoma...
October 17, 2017: Orbit
https://www.readbyqxmd.com/read/29037027/refining-prognostic-stratification-of-human-papillomavirus-related-oropharyngeal-squamous-cell-carcinoma-different-prognosis-between-t1-and-t2
#7
Sumin Lee, Sang-Wook Lee, Sunmin Park, Sang Min Yoon, Jin-Hong Park, Si Yeol Song, Seung Do Ahn, Jong Hoon Kim, Eun Kyung Choi, Su Ssan Kim, Jinhong Jung, Young Seok Kim
PURPOSE: To validate the 8th edition of the American Joint Committee on Cancer/Union for International Cancer Control (AJCC/UICC) TNM staging system for human papillomavirus (HPV)-related oropharyngeal squamous cell carcinoma (OPSCC) and investigate whether a modified classification better reflects the prognosis. MATERIALS AND METHODS: Medical records of patients diagnosed with non-metastatic HPV-related OPSCC between 2010 and 2016 at a single institution were retrospectively reviewed...
September 2017: Radiation Oncology Journal
https://www.readbyqxmd.com/read/29036979/-role-of-ash2-absent-small-or-homeotic-like-and-jumonji-domain-containing-protein-3-on-histone-methylation-of-interferon-gamma-gene-and-their-associations-with-vascular-damage-of-kawasaki-disease
#8
J H Mei, G Tang, Q Wang, P Q Wen, M G Xu, D Cui, D L Ma, C Liu, G B Wang
Objective: To investigate the impacts of ash2 (absent, small, or homeotic)-like (Ash2L) and Jumonji domain-containing protein 3 (Jmjd3) on histone methylation of interferon-gamma(IFN-γ) gene and association with vascular damage of Kawasaki disease (KD) in acute phase. Methods: This study was performed among 36 children with KD in acute phase (KD group) and 28 age-matched health children (control group), who were treated or underwent physical examination in our hospital between February 2015 and June 2016. Patients were further divided into KD groups with or without coronary artery lesions (KD-CAL(+) , 16 cases; KD-CAL(-), 20 cases)...
September 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29036224/immortalized-porcine-mesenchymal-cells-derived-from-nasal-mucosa-lungs-lymph-nodes-spleen-and-bone-marrow-retain-their-stemness-properties-and-trigger-the-expression-of-siglec-1-in-co-cultured-blood-monocytic-cells
#9
Abubakar Garba, Lowiese M B Desmarets, Delphine D Acar, Bert Devriendt, Hans J Nauwynck
Mesenchymal stromal cells have been isolated from different sources. They are multipotent cells capable of differentiating into many different cell types, including osteocytes, chondrocytes and adipocytes. They possess a therapeutic potential in the management of immune disorders and the repair of damaged tissues. Previous work in our laboratory showed an increase of the percentages of CD172a+, CD14+, CD163+, Siglec-1+, CD4+ and CD8+ hematopoietic cells, when co-cultured with immortalized mesenchymal cells derived from bone marrow...
2017: PloS One
https://www.readbyqxmd.com/read/29034884/generation-of-six-multiple-sclerosis-patient-derived-induced-pluripotent-stem-cell-lines
#10
L Miquel-Serra, A Duarri, Y Muñoz, B Kuebler, B Aran, C Costa, M Martí, M Comabella, S Malhotra, X Montalban, A Veiga, A Raya
Multiple sclerosis (MS) is considered a chronic autoimmune disease of the central nervous system that leads to gliosis, demyelination, axonal damage and neuronal death. The MS disease aetiology is unknown, though a polymorphism of the TNFRSF1A gene, rs1800693, is known to confer an increased risk for MS. Using retroviral delivery of reprogramming transgenes, we generated six MS patient-specific iPSC lines with two distinct genotypes, CC or TT, of the polymorphism rs1800693. iPSC lines had normal karyotype, expressed pluripotency genes and differentiated into the three germ layers...
October 2017: Stem Cell Research
https://www.readbyqxmd.com/read/29033534/multicellular-tumor-spheroids-of-human-uveal-melanoma-induce-genes-associated-with-anoikis-resistance-lipogenesis-and-ssxs
#11
Charlotte Ness, Øystein Garred, Nils A Eide, Theresa Kumar, Ole K Olstad, Thomas P Bærland, Goran Petrovski, Morten C Moe, Agate Noer
PURPOSE: Uveal melanoma (UM) has a high propensity for metastatic spread, and approximately 40-50% of patients die of metastatic disease. Metastases can be found at the time of diagnosis but also several years after the tumor has been removed. The survival of disseminated cancer cells is known to be linked to anchorage independence, anoikis resistance, and an adaptive cellular metabolism. The cultivation of cancer cells as multicellular tumor spheroids (MCTS) by anchorage-independent growth enriches for a more aggressive phenotype...
2017: Molecular Vision
https://www.readbyqxmd.com/read/29033275/mechanisms-of-humoral-immune-response-against-pseudomonas-aeruginosa-biofilm-infection-in-cystic-fibrosis
#12
REVIEW
Renan Marrichi Mauch, Peter Østrup Jensen, Claus Moser, Carlos Emilio Levy, Niels Høiby
P. aeruginosa chronic lung infection is the major cause of morbidity and mortality in patients with cystic fibrosis (CF), and is characterized by a biofilm mode of growth, increased levels of specific IgG antibodies and immune complex formation. However, despite being designed to combat this infection, such elevated humoral response is not associated with clinical improvement, pointing to a lack of anti-pseudomonas effectiveness. The mode of action of specific antibodies, as well as their structural features, and even the background involving B-cell production, stimulation and differentiation into antibody-producing cells in the CF airways are poorly understood...
October 12, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/29032423/the-pathogenesis-shared-between-abdominal-aortic-aneurysms-and-intracranial-aneurysms-a-microarray-analysis
#13
Wen Wang, Hao Li, Zheng Zhao, Haoyuan Wang, Dong Zhang, Yan Zhang, Qing Lan, Jiangfei Wang, Yong Cao, Jizong Zhao
Abdominal aortic aneurysms (AAAs) and intracranial saccular aneurysms (IAs) are the most common types of aneurysms. This study was to investigate the common pathogenesis shared between these two kinds of aneurysms. We collected 12 IAs samples and 12 control arteries from the Beijing Tiantan Hospital and performed microarray analysis. In addition, we utilized the microarray datasets of IAs and AAAs from the Gene Expression Omnibus (GEO), in combination with our microarray results, to generate messenger RNA expression profiles for both AAAs and IAs in our study...
October 14, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/29032405/agaricus-blazei-murill-polysaccharides-protect-against-cadmium-induced-oxidative-stress-and-inflammatory-damage-in-chicken-spleens
#14
Wanqiu Xie, Ai Lv, Ruyue Li, Zequn Tang, Dexing Ma, Xiaodan Huang, Ruili Zhang, Ming Ge
Agaricus blazei Murill polysaccharide (ABP) has exhibited antioxidant and immunoregulatory activity. The aim of this study was to investigate the effect of ABP on cadmium (Cd)-induced antioxidant functions and inflammatory damage in chicken spleens. In this study, groups of 7-day-old chickens were fed with normal saline (0.2 mL single/day), CdCl2 (140 mg/kg/day), ABP (30 mg/mL, 0.2 mL single/day), and Cd + ABP (140 mg/kg/day + 0.2 mL ABP). Spleens were separated on the 20th, 40th, and 60th day for each group...
October 14, 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/29032336/a-mouse-dry-eye-model-induced-by-topical-administration-of-the-air-pollutant-particulate-matter-10
#15
Juan Li, Gang Tan, Xiaoyan Ding, Yahong Wang, Anhua Wu, Qichen Yang, Lei Ye, Yi Shao
AIM: To introduce a novel dry eye mouse model induced by topical administration of the air pollutant particulate matter 10 (PM10). METHOD: A total of 60 male BALB/c mice were used in this study and divided into two groups: group A (PBS eye drops, n=30) and group B (PM10 eye drop group, n=30). Each treatment was dosed four times a day, every time 50ul with the concentration of 5mg/ml PM10, for 14 consecutive days in the right eye. The clinical manifestations of dry eye were measured before therapy and 4, 7 and 14days post-treatment respectively, which included the tear volume, tear break-up (BUT) time, corneal fluorescein staining, rose bengal staining, Lissamine Green staining and inflammatory index...
October 12, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29032173/the-reduced-osteogenic-potential-of-nf1-deficient-osteoprogenitors-is-egfr-independent
#16
S E Tahaei, G Couasnay, Y Ma, N Paria, J Gu, B F Lemoine, X Wang, J J Rios, F Elefteriou
Neurofibromatosis type 1 (NF1) is a common genetic disorder caused by mutations in the NF1 gene. Recalcitrant bone healing following fracture (i.e. pseudarthrosis) is one of the most problematic skeletal complications associated with NF1. The etiology of this condition is still unclear; thus, pharmacological options for clinical management are limited. Multiple studies have shown the reduced osteogenic potential of Nf1-deficient osteoprogenitors. A recent transcriptome profiling investigation revealed that EREG and EGFR, encoding epiregulin and its receptor Epidermal Growth Factor Receptor 1, respectively, were among the top over-expressed genes in cells of the NF1 pseudarthrosis site...
October 11, 2017: Bone
https://www.readbyqxmd.com/read/29031721/cdkal1-a-type-2-diabetes-susceptibility-gene-regulates-mitochondrial-function-in-adipose-tissue
#17
Colin J Palmer, Raphael J Bruckner, Joao A Paulo, Lawrence Kazak, Jonathan Z Long, Amir I Mina, Zhaoming Deng, Katherine B LeClair, Jessica A Hall, Shangyu Hong, Peter-James H Zushin, Kyle L Smith, Steven P Gygi, Susan Hagen, David E Cohen, Alexander S Banks
OBJECTIVES: Understanding how loci identified by genome wide association studies (GWAS) contribute to pathogenesis requires new mechanistic insights. Variants within CDKAL1 are strongly linked to an increased risk of developing type 2 diabetes and obesity. Investigations in mouse models have focused on the function of Cdkal1 as a tRNA(Lys) modifier and downstream effects of Cdkal1 loss on pro-insulin translational fidelity in pancreatic β-cells. However, Cdkal1 is broadly expressed in other metabolically relevant tissues, including adipose tissue...
October 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/29031501/dna-methylation-and-transcription-patterns-in-intestinal-epithelial-cells-from-pediatric-patients-with-inflammatory-bowel-diseases-differentiate-disease-subtypes-and-associate-with-outcome
#18
K J Howell, J Kraiczy, K M Nayak, M Gasparetto, A Ross, C Lee, T N Mak, B-K Koo, N Kumar, T Lawley, A Sinha, P Rosenstiel, R Heuschkel, O Stegle, M Zilbauer
BACKGROUND & AIMS: We analyzed DNA methylation patterns and transcriptomes of primary intestinal epithelial cells (IEC) of children newly diagnosed with inflammatory bowel diseases (IBD) to learn more about pathogenesis. METHODS: We obtained mucosal biopsies (n=236) collected from terminal ileum and ascending and sigmoid colons of children (median age=13) newly diagnosed with IBD (43 with Crohn's disease [CD], 23 with ulcerative colitis [UC]), and 30 children without IBD (controls)...
October 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29029492/gata2-regulates-the-erythropoietin-receptor-in-t-12-21-all
#19
Marie E Gaine, Daniel J Sharpe, James S Smith, Hilary A A Colyer, Vivien M Hodges, Terry R Lappin, Ken I Mills
The t(12;21) (p13;q22) chromosomal translocation resulting in the ETV6/RUNX1 fusion gene is the most frequent structural cytogenetic abnormality in children with acute lymphoblastic leukemia (ALL). The erythropoietin receptor (EPOR), usually associated with erythroid progenitor cells, is highly expressed in ETV6/RUNX1 positive cases compared to other B-lineage ALL subtypes. Gene expression analysis of a microarray database and direct quantitative analysis of patient samples revealed strong correlation between EPOR and GATA2 expression in ALL, and higher expression of GATA2 in t(12;21) patients...
September 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29029457/prognostic-relevance-of-protein-expression-clinical-factors-and-myd88-mutation-in-primary-bone-lymphoma
#20
Yong Xu, Jian Li, Jian Ouyang, Juan Li, Jingyan Xu, Qiguo Zhang, Yonggong Yang, Min Zhou, Jing Wang, Cuiling Zhang, Yueyi Xu, Ping Li, Rongfu Zhou, Bing Chen
Primary bone lymphomas (PBLs) are composed of malignant lymphoid cells presenting in osseous sites, without supra-regional lymph node or extranodal involvement. We systematically characterized the immunophenotype and the myeloid differentiation factor 88 (MYD88)-L265P gene mutation status in PBL. Clinical data from 19 patients with PBL treated at Nanjing Drum Tower Hospital between 2009 and 2015 were analyzed retrospectively. Protein expression patterns were identified immunohistochemically, and MYD88 mutation was assessed using polymerase chain reaction and direct DNA sequencing...
September 12, 2017: Oncotarget
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