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https://www.readbyqxmd.com/read/27926989/targeting-gm-csf-in-epithelial-and-vascular-remodeling-in-experimental-eosinophilic-esophagitis
#1
Eóin N McNamee, Kathryn A Biette, Juliet Hammer, Rachel Harris, Heather Miyazawa, James J Lee, Glenn T Furuta, Joanne C Masterson
BACKGROUND: Eosinophilic esophagitis (EoE) is a chronic antigen-mediated clinicopathologic disease of the esophagus characterized by an eosinophil-predominant inflammatory infiltrate. A clinical hallmark is extensive tissue remodeling including basal zone hyperplasia, fibrosis and angiogenesis. However, the cellular mechanisms responsible for these processes are not fully defined. We hypothesized that targeting GM-CSF (an agonist cytokine linked with eosinophil survival and activation) would be protective in a pre-clinical model of EoE...
December 7, 2016: Allergy
https://www.readbyqxmd.com/read/27926935/serological-and-virological-evidence-of-crimean-congo-haemorrhagic-fever-virus-circulation-in-the-human-population-of-borno-state-northeastern-nigeria
#2
David N Bukbuk, Stuart D Dowall, Kuiama Lewandowski, Andrew Bosworth, Saka S Baba, Anitha Varghese, Robert J Watson, Andrew Bell, Barry Atkinson, Roger Hewson
BACKGROUND: Despite several studies on the seroprevalence of antibodies against Crimean-Congo Haemorrhagic Fever virus (CCHFV) from humans and cattle in Nigeria, detailed investigation looking at IgG and IgM have not been reported. Additionally, there have been no confirmed cases of human CCHFV infection reported from Nigeria. PRINCIPAL FINDINGS: Samples from sera (n = 1189) collected from four Local Government Areas in Borno State (Askira/Uba, Damboa, Jere and Maiduguri) were assessed for the presence of IgG and IgM antibodies...
December 2016: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/27926786/nut-midline-carcinoma-of-the-larynx-an-international-series-and-review-of-the-literature
#3
Henrik Hellquist, Christopher A French, Justin A Bishop, Andrés Coca-Pelaz, Evan J Propst, António Paiva Correia, Bo-Yee Ngan, Ronald Grant, Nicole A Cipriani, David Vokes, Rui Henrique, Fernando Pardal, Jose Ramon Vizcaino, Alessandra Rinaldo, Alfio Ferlito
AIMS: NUT midline carcinoma (NMC) is a rare undifferentiated and aggressive carcinoma that characteristically locates to the midline of the head and neck, and mediastinum. NMC is characterised by chromosomal rearrangements of the gene encoding nuclear protein in testis, NUT, at 15q14. The BRD4 gene on 19q13 is the most common translocation partner forming a fusion oncogene, BRD4-NUT. By the end of 2014, the International NUT Midline Carcinoma Registry had 48 patients treated for NMC. Laryngeal NMC are exceedingly rare and we report a case series of seven cases...
December 7, 2016: Histopathology
https://www.readbyqxmd.com/read/27926504/the-immunomodulatory-effects-of-tnf-%C3%AE-inhibitors-on-human-th17-cells-via-ror%C3%AE-t-histone-acetylation
#4
Yi-Ching Lin, Yu-Chih Lin, Cheng-Chin Wu, Ming-Yii Huang, Wen-Chan Tsai, Chih-Hsing Hung, Po-Lin Kuo
The presence of interleukin (IL)-17-related cytokines correlates with rheumatoid arthritis (RA) pathogenesis. Epigenetic modifications, including histone acetylation, regulate gene expression in RA pathogenesis. Tumour necrosis factor-alpha (TNF-α) inhibitors such as etanercept and adalimumab, represent a breakthrough in RA treatment. We aimed to investigate the effects of etanercept and adalimumab on human Th17-polarized cells and the possible intracellular regulators of these effects, including the Th17-specific transcription factors signal transducer, activator of transcription 3 (STAT3), retinoid-related orphan receptor γ-T (RORγt) and epigenetic modification...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27925611/differential-expression-of-bcl-2-in-the-cochlea-and-auditory-cortex-of-a-mouse-model-of-age-related-hearing-loss
#5
Qiuhong Huang, Hao Xiong, Haidi Yang, Yongkang Ou, Zhigang Zhang, Suijun Chen, Yongyi Ye, Yiqing Zheng
Bcl-2, the first gene shown to be involved in apoptosis, is a potent regulator of cell survival and known to have protective effects against a variety of age-related diseases. However, the possible relationship between hearing and Bcl-2 expression in the cochlea or auditory cortex of C57BL/6 mice, a mouse model of age-related hearing loss, is still unknown. Using RT-PCR, immunohistochemistry, and Western blot analysis, our results show that Bcl-2 is strongly expressed in the inner hair cells and spiral ganglion neurons of young mice...
December 8, 2016: Audiology & Neuro-otology
https://www.readbyqxmd.com/read/27925313/isolation-proliferation-and-characterization-of-endometrial-canine-stem-cells
#6
V De Cesaris, S Grolli, C Bresciani, V Conti, G Basini, E Parmigiani, E Bigliardi
In the last decade, progenitor cells isolated from dissociated endometrial tissue have been the subject of many studies in several animal species. Recently, endometrial cells showing characteristics of mesenchymal stem cells (MSC) have been demonstrated in human, pig and cow uterine tissue samples. The aim of this study was the isolation and characterization of stromal cells from the endometrium of healthy bitches, a tissue that after elective surgery is routinely discarded. Multipotent stromal cells could be isolated from all bitches enrolled in the study (n = 7)...
December 7, 2016: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/27925264/three-intronic-lncrnas-with-monoallelic-expression-derived-from-the-meg8-gene-in-cattle
#7
W Yang, D Li, G Wang, C Zhang, M Zhang, W Zhang, S Li
The field of long noncoding RNA (lncRNA) research has been rapidly advancing in recent years. Antisense lncRNAs, intergenetic lncRNAs and enhancer lncRNAs can regulate genomic imprinting, which leads to parent-origin-specific monoalletic expression of genes. However, the function of intronic ncRNAs in genomic imprinting remains unclear. Previously, we obtained the cDNA sequence of cattle MEG8 gene, which is located in the DLK1-DIO3 imprinted clusters of cattle chromosome 21. In this study, we undertook a systematic search for transcripts mapping to the MEG8 intronic region and identified three novel lncRNAs, named MEG8 intronic RNA 1 (MEG8-IT1), MEG8 intronic RNA 2 (MEG8-IT2) and MEG8 intronic RNA 3 (MEG8-IT3) according to the GENCODE annotated bibliography...
December 7, 2016: Animal Genetics
https://www.readbyqxmd.com/read/27925202/calprotectin-induces-il-6-and-mcp-1-production-via-toll-like-receptor-4-signaling-in-human-gingival-fibroblasts
#8
Yasufumi Nishikawa, Yukari Kajiura, Jung Hwan Lew, Jun-Ichi Kido, Toshihiko Nagata, Koji Naruishi
Calprotectin, a heterodimer of S100A8 and S100A9 molecules, is associated with inflammatory diseases such as inflammatory bowel disease. We have reported that calprotectin levels in gingival crevicular fluids of periodontitis patients are significantly higher than in healthy subjects. However, the functions of calprotectin in pathophysiology of periodontitis are still unknown. The aim of this study is to investigate the effects of calprotectin on the productivity of inflammatory cytokines in human gingival fibroblasts (HGFs)...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27925192/pathogenic-role-of-associated-adherent-invasive-escherichia-coli-in-crohn-s-disease
#9
Giuseppe Mazzarella, Angelica Perna, Angela Marano, Angela Lucariello, Vera Rotondi Aufiero, Raffaele Melina, Germano Guerra, Fabio Silvio Taccone, Gaetano Iaquinto, Antonio De Luca
Several lines of evidence suggest that adherent-invasive E. coli (AIEC) strains play an important role in Crohn's disease (CD). The objective of this study was to investigate the pathogenic role of two AIEC strains, LF82 and O83:H1, in CD patients. Organ cultures of colonic biopsies from patients were set up to assess the effects of LF82 and O83:H1 on the expression of CEACAM6, LAMP1, HLA-DR, ICAM1 by immunohistochemistry and of IL-8, IFNΓ and TNF-α genes by RT-PCR. Moreover, on Caco2 cells we analyzed the cell cycle, the expression of MGMT and DNMT1 genes and DNA damage induced by LF82 and O83:H1, by FACS, RT-PCR and DAPI staining, respectively...
December 7, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/27924940/the-metabolic-flux-regulation-of-klebsiella-pneumoniae-based-on-quorum-sensing-system
#10
Shujing Sun, Haiyang Zhang, Shuyi Lu, Chunfen Lai, Huijun Liu, Hu Zhu
Quorum-sensing (QS) systems exist universally in bacteria to regulate multiple biological functions. Klebsiella pneumoniae, an industrially important bacterium that produces bio-based chemicals such as 2,3-butanediol and acetoin, can secrete a furanosyl borate diester (AI-2) as the signalling molecule mediating a QS system, which plays a key regulatory role in the biosynthesis of secondary metabolites. In this study, the molecular regulation and metabolic functions of a QS system in K. pneumoniae were investigated...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924858/transcriptomic-characterization-and-curation-of-candidate-neuropeptides-regulating-reproduction-in-the-eyestalk-ganglia-of-the-australian-crayfish-cherax-quadricarinatus
#11
Tuan Viet Nguyen, Scott F Cummins, Abigail Elizur, Tomer Ventura
The Australian redclaw crayfish (Cherax quadricarinatus) has recently received attention as an emerging candidate for sustainable aquaculture production in Australia and worldwide. More importantly, C. quadricarinatus serves as a good model organism for the commercially important group of decapod crustaceans as it is distributed worldwide, easy to maintain in the laboratory and its reproductive cycle has been well documented. In order to better understand the key reproduction and development regulating mechanisms in decapod crustaceans, the molecular toolkit available for model organisms such as C...
December 7, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27924729/conjugated-linoleic-acid-isomers-exert-differential-effects-on-an-adipocyte-model-of-hiv-associated-lipodystrophy
#12
Cathríona R Loonam, Sandra D O Dell, Anne Mullen
BACKGROUND: HIV-associated lipodystrophy is associated with decreased expression of PPAR-γ in adipose tissue. Conjugated linoleic acid (CLA) isomers (cis9, trans11 and trans10, cis12) are putative PPAR-γ agonists, but have not previously been investigated in the context of HIV-associated lipodystrophy. METHODS: 3T3-L1 pre-adipocytes were differentiated in the presence of ritonavir (20 μM as per previous experimental models) and 100 μM cis9,trans11, trans10,cis12 or vehicle control, DMSO...
December 7, 2016: Current HIV Research
https://www.readbyqxmd.com/read/27924542/evaluating-aflatoxin-gene-expression-in-aspergillus-section-flavi
#13
Paula Cristina Azevedo Rodrigues, Jéssica Gil-Serna, M Teresa González-Jaén
The determination of aflatoxin production ability and differentiation of aflatoxigenic strains can be assessed by monitoring the expression of one or several key genes using reverse transcription polymerase chain reaction (RT-PCR). We herein describe the methods for RNA induction, extraction, and quality determination, and the RT-PCR conditions used to evaluate the ability of a given Aspergillus strain to produce aflatoxins.
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27923769/recombination-in-hepatitis-c-virus-is-not-uncommon-among-people-who-inject-drugs-in-kolkata-india
#14
Debanjali Gupta, Kallol Saha, Aritra Biswas, Rushna Firdaus, Monika Ghosh, Provash Chandra Sadhukhan
Recombination in RNA virus is a rare event in the survival and evolution to evade host immune system. This is increasing within high risk group population (HRG) due to super infection that occurs by continuous sharing of common drug equipment by HCV infected or HIV-HCV co-infected recurrent drug users. Recombination causes impediment to vaccine development and therapeutic intervention as standard HCV treatment is still genotype specific. Blood samples of 194 people who inject drugs (PWID) were collected from an Opioid Substitution Therapy Centre in Kolkata,India...
December 3, 2016: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/27923636/the-impact-of-early-aerobic-exercise-on-brain-microvascular-alterations-induced-by-cerebral-hypoperfusion
#15
Marina Leardini-Tristão, Juliana Pereira Borges, Felipe Freitas, Raquel Rangel, Anissa Daliry, Eduardo Tibiriçá, Vanessa Estato
The therapeutic potential of early exercise training following cerebral hypoperfusion was investigated on brain perfusion and inflammation in rats with permanent bilateral occlusion of the common carotid arteries (2VO). Wistar rats were subjected to 2VO or sham surgery and each group was then subdivided randomly into sedentary orexercisegroups. Early exercise training was initiated after three days of 2VO or sham surgery and consisted of seven days of treadmill training (30 min/day at ∼60% of maximal exercise test), composing four groups: 1) Sham sedentary (Sham-Sed), 2) Sham exercised (Sham-Ex), 3) 2VO sedentary (2VO-Sed) and 4) 2VO exercised (2VO-Ex)...
December 3, 2016: Brain Research
https://www.readbyqxmd.com/read/27923323/mild-hypothermia-promotes-pericontusion-neuronal-sprouting-via-suppressing-socs3-expression-after-moderate-traumatic-brain-injury
#16
Cheng-Cheng Zhao, Chuan-Fang Wang, Wei-Ping Li, Yong Lin, Qi-Lin Tang, Jun-Feng Feng, Qing Mao, Guo-Yi Gao, Jiyao Jiang
Mild therapeutic hypothermia is a candidate for the treatment of traumatic brain injury (TBI). However, the role of mild hypothermia in neuronal sprouting after TBI remains obscure. We used a fluid percussion injury (FPI) model to assess the effect of mild hypothermia on pericontusion neuronal sprouting after TBI in rats. Male Sprague Dawley rats underwent FPI or sham surgery, and then followed by mild hypothermia treatment (33°C) or normothermia treatment (37°C) for 3 hours. All the rats were sacrificed at 7 days after FPI...
December 6, 2016: Journal of Neurotrauma
https://www.readbyqxmd.com/read/27922690/microrna-152-inhibits-tumor-cell-growth-by-directly-targeting-rtkn-in-hepatocellular-carcinoma
#17
Jiejing Zhou, Yanjun Zhang, Yuhong Qi, Dequan Yu, Qiuju Shao, Jun Liang
Hepatocellular carcinoma (HCC) is the most common form of adult liver cancer and accounts for approximately 90% of all cases of primary liver cancer annually. Rhotekin (RTKN), which functions as a cancer promoter, can be frequently detected in many human cancers, including gastric cancer, colorectal carcinoma and bladder carcinoma. The aim of this study was to investigate the role of RTKN in HCC. Using HCC cells and tissues from patients with liver cancer, we demonstrated that RTKN was significantly increased in HCC...
December 5, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27922483/clinicopathologic-and-prognostic-significance-of-gelatinase-a-in-tunisian-colorectal-cancer-a-case-control-study
#18
Dalel Ben Néjima, Yosr Ben Zarkouna, Pascal Pujol, Amor Gammoudi, Hamouda Boussen, Mohamed Manai
Matrix metalloproteinase-2 (gelatinase A) is a well-known mediator of cancer metastasis, but it is also thought to be involved in several aspects of cancer development, including cell growth and inflammation. In the present study, we investigate whether MMP-2 SNP, MMP-2 mRNAs, and MMP-2 protein are associated with the susceptibility to colorectal cancer in the Tunisian population. The TaqMan allele discrimination assay and DNA sequencing techniques were used for genotyping; MMP-2 expression of each genotype was analyzed by semiquantitative RT-PCR, and MMP-2 protein expression was analyzed by immunohistochemistry staining...
January 2017: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/27921407/trefoil-factor-family-1-is-involved-in-airway-remodeling-of-mustard-lung
#19
Mohammad Reza Nourani, Zahra Farajpour, Ali Najafi, Abbas Ali Imani Fooladi
Human airway is generally destructed by inhaled factors and is the barrier to the external environment and has a crucial role in protection of the internal homeostasis of the lung. Sulfur mustard (SM) is a chemical warfare that capable of producing severe chemical injuries primarily in the lungs. Trefoil factor family (TFFs) plays major roles in epithelial repair and homeostasis, particularly in the lung. This study attempted to verify the role of TFFs in airway that induced by sulfur mustard. Fifteen patients exposed to SM and 10 non-exposed subjects were enrolled in this study...
August 2016: Iranian Journal of Allergy, Asthma, and Immunology
https://www.readbyqxmd.com/read/27920998/short-term-organ-culture-of-mouse-ovary-in-the-medium-supplemented-with-bone-morphogenetic-protein-15-and-follicle-stimulating-hormone-a-morphological-hormonal-and-molecular-study
#20
Mojdeh Salehnia, Mojdeh Pajokh, Nassim Ghorbanmehr
BACKGROUND: Bone morphogenetic protein 15 (BMP15) is a growth factor derived from oocyte and is essential for in vivo ovarian follicular growth and in this study, its effects on the improvement of growth and development of follicles during in vitro culture of neonatal mouse ovaries was investigated. METHODS: Two week old mice were cultured for 7 days in the basic culture media with or without follicle stimulating hormone (FSH) and BMP15 as four experimental groups; FSH(-)/BMP15(-), FSH(+)/BMP15(-), FSH(-)/BMP15(+) and FSH(+)/BMP15(+)...
October 2016: Journal of Reproduction & Infertility
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