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Irene V Bijnsdorp, Connie R Jimenez
No abstract text is available yet for this article.
March 14, 2018: EBioMedicine
Liron L Israel
No abstract text is available yet for this article.
March 12, 2018: EBioMedicine
Priscila Pini Zenatti, Natacha Azussa Migita, Nathália Moreno Cury, Rosângela Aparecida Mendes-Silva, Fabio Cesar Gozzo, Pedro Otavio de Campos-Lima, José Andrés Yunes, Silvia Regina Brandalise
The drug l-asparaginase is a cornerstone in the treatment of acute lymphoblastic leukemia (ALL). The native E. colil-asparaginase used in Brazil until recently has been manufactured by Medac/Kyowa. Then a decision was taken by the Ministry of Health in 2017 to supply the National Health System with a cheaper alternative l-asparaginase manufactured by Beijing SL Pharmaceutical, called Leuginase®. As opposed to Medac, the asparaginase that has been in use in Brazil under the trade name of Aginasa®, it was not possible to find a single entry with the terms Leuginase in the Pubmed repository...
March 9, 2018: EBioMedicine
Daniele Orsucci, Gabriele Siciliano, Michelangelo Mancuso
No abstract text is available yet for this article.
March 9, 2018: EBioMedicine
Volatiana Rakotoarivelo, Gregory Lacraz, Marian Mayhue, Christine Brown, Diane Rottembourg, Julie Fradette, Subburaj Ilangumaran, Alfredo Menendez, Marie-France Langlois, Sheela Ramanathan
Population studies have linked insulin resistance to systemic low-grade chronic inflammation and have reported elevated levels of inflammatory cytokines such as TNFα, IL-1β and IL-6, individually or in certain combinations, in adipose tissues or in the serum. We undertook this comprehensive study to simultaneously evaluate the expression of several pro-inflammatory and anti-inflammatory cytokines in serum and in the visceral and subcutaneous adipose tissues from obese patients undergoing bariatric surgery...
March 8, 2018: EBioMedicine
Haotian Lin, Li Zhang, Duoru Lin, Wan Chen, Yi Zhu, Chuan Chen, Kevin C Chan, Yizhi Liu, Weirong Chen
BACKGROUND: Visual function and brain function decline concurrently with aging. Notably, cataract patients often present with accelerated age-related decreases in brain function, but the underlying mechanisms are still unclear. Optical structures of the anterior segment of the eyes, such as the lens and cornea, can be readily reconstructed to improve refraction and vision quality. However, the effects of visual restoration on human brain function and structure remain largely unexplored...
March 7, 2018: EBioMedicine
Zhen-Jian Zhuo, Wei Liu, Jiao Zhang, Jinhong Zhu, Ruizhong Zhang, Jue Tang, Tianyou Yang, Yan Zou, Jing He, Huimin Xia
Variations in nucleotide excision repair pathway genes may predispose to initiation of cancers. However, polymorphisms of ERCC1/XPF genes and neuroblastoma risk have not been investigated before. To evaluate the relevance of polymorphisms of ERCC1/XPF genes in influencing neuroblastoma susceptibility, we genotyped four polymorphisms in ERCC1/XPF genes using a Chinese population of 393 cases and 812 controls. The results showed that ERCC1 rs2298881 and rs11615 predisposed to enhanced neuroblastoma risk [CA vs...
March 7, 2018: EBioMedicine
Graham Pawelec, Janet McElhaney
No abstract text is available yet for this article.
March 5, 2018: EBioMedicine
Takuichiro Hide, Yoshihiro Komohara, Yuko Miyasato, Hideo Nakamura, Keishi Makino, Motohiro Takeya, Jun-Ichi Kuratsu, Akitake Mukasa, Shigetoshi Yano
Glioblastoma (GBM) usually develops in adult brain white matter. Even after complete resection, GBM recurs around the tumor removal cavity, where GBM cells acquire chemo-radioresistance. Characterization of the tumor border microenvironment is critical for improving prognosis in patients with GBM. Here, we compared microRNA (miRNA) expression in samples from the tumor, tumor border, and periphery by miRNA microarray. The top three of miRNAs showing higher expression in the tumor border were related to oligodendrocyte differentiation, and pathologically oligodendrocyte lineage cells were increased in the border, where macrophages and microglia also colocalized...
March 1, 2018: EBioMedicine
Martina Pesaresi, Sergi A Bonilla-Pons, Giacoma Simonte, Daniela Sanges, Umberto Di Vicino, Maria Pia Cosma
Müller glial cells (MGCs) represent the most plastic cell type found in the retina. Following injury, zebrafish and avian MGCs can efficiently re-enter the cell cycle, proliferate and generate new functional neurons. The regenerative potential of mammalian MGCs, however, is very limited. Here, we showed that N-methyl-d-aspartate (NMDA) damage stimulates murine MGCs to re-enter the cell cycle and de-differentiate back to a progenitor-like stage. These events are dependent on the recruitment of endogenous bone marrow cells (BMCs), which, in turn, is regulated by the stromal cell-derived factor 1 (SDF1)-C-X-C motif chemokine receptor type 4 (CXCR4) pathway...
February 28, 2018: EBioMedicine
Trevor W Stone, Megan McPherson, L Gail Darlington
Existing explanations of obesity-associated cancer emphasise direct mutagenic effects of dietary components or hormonal imbalance. Some of these hypotheses are reviewed briefly, but recent evidence suggests a major role for chronic inflammation in cancer risk, possibly involving dietary content. These ideas include the inflammation-induced activation of the kynurenine pathway and its role in feeding and metabolism by activation of the aryl hydrocarbon receptor (AHR) and by modulating synaptic transmission in the brain...
February 27, 2018: EBioMedicine
Yi Shiau Ng, Nichola Z Lax, Paul Maddison, Charlotte L Alston, Emma L Blakely, Philippa D Hepplewhite, Gillian Riordan, Surita Meldau, Patrick F Chinnery, Germaine Pierre, Efstathia Chronopoulou, Ailian Du, Imelda Hughes, Andrew A Morris, Smaragda Kamakari, Georgia Chrousos, Richard J Rodenburg, Christiaan G J Saris, Catherine Feeney, Steven A Hardy, Takafumi Sakakibara, Akira Sudo, Yasushi Okazaki, Kei Murayama, Helen Mundy, Michael G Hanna, Akira Ohtake, Andrew M Schaefer, Mike P Champion, Doug M Turnbull, Robert W Taylor, Robert D S Pitceathly, Robert McFarland, Gráinne S Gorman
Mutations in the m.13094T>C MT-ND5 gene have been previously described in three cases of Leigh Syndrome (LS). In this retrospective, international cohort study we identified 20 clinically affected individuals (13 families) and four asymptomatic carriers. Ten patients were deceased at the time of analysis (median age of death was 10years (range: 5·4months-37years, IQR=17·9years). Nine patients manifested with LS, one with mitochondrial encephalomyopathy, lactic acidosis and stroke-like episodes (MELAS), and one with Leber hereditary optic neuropathy...
February 24, 2018: EBioMedicine
Giulia Fregni, Mathieu Quinodoz, Emely Möller, Joanna Vuille, Sabine Galland, Carlo Fusco, Patricia Martin, Igor Letovanec, Paolo Provero, Carlo Rivolta, Nicolo Riggi, Ivan Stamenkovic
Metastasis is a multi-step process in which direct crosstalk between cancer cells and their microenvironment plays a key role. Here, we assessed the effect of paired tumor-associated and normal lung tissue mesenchymal stem cells (MSCs) on the growth and dissemination of primary human lung carcinoma cells isolated from the same patients. We show that the tumor microenvironment modulates MSC gene expression and identify a four-gene MSC signature that is functionally implicated in promoting metastasis. We also demonstrate that tumor-associated MSCs induce the expression of genes associated with an aggressive phenotype in primary lung cancer cells and selectively promote their dissemination rather than local growth...
February 23, 2018: EBioMedicine
Syed F Ahmad, Jeremy K Brown, Lisa L Campbell, Magda Koscielniak, Catriona Oliver, Nick Wheelhouse, Gary Entrican, Stuart McFee, Gillian S Wills, Myra O McClure, Patrick J Horner, Sevasti Gaikoumelou, Kai F Lee, Hilary O D Critchley, W Colin Duncan, Andrew W Horne
Tubal ectopic pregnancies are a leading cause of global maternal morbidity and mortality. Previous infection with Chlamydia trachomatis is a major risk factor for tubal embryo implantation but the biological mechanism behind this association is unclear. Successful intra-uterine embryo implantation is associated with increased expression of endometrial "receptivity" integrins (cell adhesion molecules). We examined integrin expression in Fallopian tubes of women with previous C. trachomatis infection, in mice experimentally infected with C...
February 23, 2018: EBioMedicine
Christine Marosi
No abstract text is available yet for this article.
February 21, 2018: EBioMedicine
Hiroki Kitaura, Hiroshi Shirozu, Hiroshi Masuda, Masafumi Fukuda, Yukihiko Fujii, Akiyoshi Kakita
Mesial temporal lobe epilepsy (MTLE) is the most frequent focal epileptic syndrome in adults, and the majority of seizures originate primarily from the hippocampus. The resected hippocampal tissue often shows severe neuronal loss, a condition referred to as hippocampal sclerosis (HS). In order to understand hippocampal epileptogenesis in MTLE, it seems important to clarify any discrepancies between the clinical and pathological features of affected patients. Here we investigated epileptiform activities ex vivo using living hippocampal tissue taken from patients with MTLE...
February 21, 2018: EBioMedicine
Mikael Bjursell, Michelle J Porritt, Elke Ericson, Amir Taheri-Ghahfarokhi, Maryam Clausen, Lisa Magnusson, Therese Admyre, Roberto Nitsch, Lorenz Mayr, Leif Aasehaug, Frank Seeliger, Marcello Maresca, Mohammad Bohlooly-Y, John Wiseman
α1-antitrypsin (AAT) is a circulating serine protease inhibitor secreted from the liver and important in preventing proteolytic neutrophil elastase associated tissue damage, primarily in lungs. In humans, AAT is encoded by the SERPINA1 (hSERPINA1) gene in which a point mutation (commonly referred to as PiZ) causes aggregation of the miss-folded protein in hepatocytes resulting in subsequent liver damage. In an attempt to rescue the pathologic liver phenotype of a mouse model of human AAT deficiency (AATD), we used adenovirus to deliver Cas9 and a guide-RNA (gRNA) molecule targeting hSERPINA1...
February 19, 2018: EBioMedicine
Franziska Richter
No abstract text is available yet for this article.
February 19, 2018: EBioMedicine
Shih-Yen Weng, Xiaoyu Wang, Santosh Vijayan, Yilang Tang, Yong Ook Kim, Kornelius Padberg, Tommy Regen, Olena Molokanova, Tao Chen, Tobias Bopp, Hansjörg Schild, Frank Brombacher, Jeff R Crosby, Michael L McCaleb, Ari Waisman, Ernesto Bockamp, Detlef Schuppan
Chronic hepatitis leads to liver fibrosis and cirrhosis. Cirrhosis is a major cause of worldwide morbidity and mortality. Macrophages play a key role in fibrosis progression and reversal. However, the signals that determine fibrogenic vs fibrolytic macrophage function remain ill defined. We studied the role of interleukin-4 receptor α (IL-4Rα), a potential central switch of macrophage polarization, in liver fibrosis progression and reversal. We demonstrate that inflammatory monocyte infiltration and liver fibrogenesis were suppressed in general IL-4Rα-/- as well as in macrophage-specific IL-4Rα-/- (IL-4RαΔLysM ) mice...
February 17, 2018: EBioMedicine
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