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https://www.readbyqxmd.com/read/28544362/cxcl10-and-il-6-markers-of-two-different-forms-of-intra-amniotic-inflammation-in-preterm-labor
#1
Roberto Romero, Piya Chaemsaithong, Noppadol Chaiyasit, Nikolina Docheva, Zhong Dong, Chong Jai Kim, Yeon Mee Kim, Jung-Sun Kim, Faisal Qureshi, Suzanne M Jacques, Bo Hyun Yoon, Tinnakorn Chaiworapongsa, Lami Yeo, Sonia S Hassan, Offer Erez, Steven J Korzeniewski
PROBLEM: To determine whether amniotic fluid (AF) CXCL10 concentration is associated with histologic chronic chorioamnionitis in patients with preterm labor (PTL) and preterm prelabor rupture of the membranes (PROM). METHOD OF STUDY: This study included 168 women who had an episode of PTL or preterm PROM. AF interleukin (IL)-6 and CXCL10 concentrations were determined by immunoassay. RESULTS: (i) Increased AF CXCL10 concentration was associated with chronic (OR: 4...
May 19, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28540757/association-of-tuberculosis-status-with-neurologic-disease-and-immune-response-in-htlv-1-infection
#2
Anselmo Souza, Natália Carvalho, Yuri Neves, Silvane Braga Santos, Maria de Lourdes Bastos, Sergio Arruda, Eduardo Martins Netto, Marshall Glesby, Edgar Carvalho
The human T-cell lymphotropic virus type 1 (HTLV-1) is the etiologic agent of HTLV-1-associated myelopathy/tropical spastic paraparesis (HAM/TSP). HTLV-1 infected individuals have increased susceptibility to Mycobacterium tuberculosis infection but the influence of tuberculosis on the course of HTLV-1 infection is unknown. The aim of this study was to evaluate the influence of tuberculosis on immunological, virologic, and neurologic features of HTLV-1 infection. This is a retrospective analysis of individuals enrolled in a cohort study from an HTLV-1 clinic who were evaluated for past or latent tuberculosis and classified clinically as HTLV-1 carriers, probable HAM/TSP and definite HAM/TSP...
May 25, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28539429/bolstering-the-number-and-function-of-hsv-1-specific-cd8-effector-memory-t-cells-and-tissue-resident-memory-t-cells-in-latently-infected-trigeminal-ganglia-reduces-recurrent-ocular-herpes-infection-and-disease
#3
Arif A Khan, Ruchi Srivastava, Aziz A Chentoufi, Elizabeth Kritzer, Sravya Chilukuri, Sumit Garg, David C Yu, Hawa Vahed, Lei Huang, Sabrina A Syed, Julie N Furness, Tien T Tran, Nesburn B Anthony, Christine E McLaren, John Sidney, Alessandro Sette, Randolph J Noelle, Lbachir BenMohamed
HSV type 1 (HSV-1) is a prevalent human pathogen that infects >3.72 billion individuals worldwide and can cause potentially blinding recurrent corneal herpetic disease. HSV-1 establishes latency within sensory neurons of trigeminal ganglia (TG), and TG-resident CD8(+) T cells play a critical role in preventing its reactivation. The repertoire, phenotype, and function of protective CD8(+) T cells are unknown. Bolstering the apparent feeble numbers of CD8(+) T cells in TG remains a challenge for immunotherapeutic strategies...
May 24, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28537901/inflammatory-cytokines-are-associated-with-response-and-prognosis-in-patients-with-esophageal-cancer
#4
Susanne Blank, Henrik Nienhüser, Lena Dreikhausen, Leila Sisic, Ulrike Heger, Katja Ott, Thomas Schmidt
BACKGROUND: Esophageal cancer is often marked by aggressive tumor growth and poor prognosis. Patient groups who benefit from perioperative therapy are not yet defined. The tumor microenvironment and circulating factors as possible predictors of response and prognosis gain interest. This study aimed to investigate cytokines in patients' serum and tumor tissue with regard to response and prognosis. RESULTS: Median survival between SCC and AC was not different (published previously)...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28534985/microarray-analysis-of-differentially-expressed-genes-in-l929-mouse-fibroblast-cells-exposed-to-leptin-and-hypoxia
#5
Ping Ouyang, Sen Wang, He Zhang, Zhigang Huang, Pei Wei, Ye Zhang, Zhuguo Wu, Tao Li
Leptin and hypoxia are pro-fibrotic factors involved in fibrogenesis, however, the gene expression profiles remain to be fully elucidated. The aim of the present study was to investigate the regulatory roles of leptin and hypoxia on the L929 mouse fibroblast cell line. The cells were assigned to a normoxia, normoxia with leptin, hypoxia, and hypoxia with leptin group. The cDNA expression was detected using an Agilent mRNA array platform. The differentially expressed genes (DEGs) in response to leptin and hypoxia were identified using reverse transcription‑quantitative polymerase chain reaction analysis, followed by clustering analysis, Gene Ontology analysis and pathway analysis...
May 17, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28531845/artesunate-and-erythropoietin-synergistically-improve-the-outcome-of-experimental-cerebral-malaria
#6
Yunting Du, Guang Chen, Xuexing Zhang, Chunyun Yu, Yaming Cao, Liwang Cui
Cerebral malaria (CM) is a severe neurological syndrome in humans and the main fatal cause of malaria. In malaria epidemic regions, despite appropriate anti-malarial treatment, 10-20% of deaths still occur during the acute phase. This is largely attributable to poor treatment access, therapeutic complexity and drug resistance; thus, developing additional clinical adjunctive therapies is an urgent necessity. In this study, we investigated the effect of artesunate (AST) and recombinant human erythropoietin (rhEPO) using an experimental cerebral malaria (ECM) model-C57BL/6 mice infected with Plasmodium berghei ANKA (PbA)...
May 19, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28525592/neurosyphilis-increases-hiv-associated-central-nervous-system-inflammation-but-does-not-explain-cognitive-impairment-in-hiv-infected-individuals-with-syphilis
#7
Emily L Ho, Clare L Maxwell, Shelia B Dunaway, Sharon K Sahi, Lauren C Tantalo, Sheila A Lukehart, Christina M Marra
Background: HIV-infected individuals with previous syphilis have cognitive impairment. We tested the hypothesis that neurosyphilis causes cognitive impairment in HIV by amplifying HIV-related CNS inflammation. Methods: 132 HIV-infected participants enrolled in a study of CSF abnormalities in syphilis underwent the mental alternation test (MAT), venipuncture and lumbar puncture. CSF concentrations of chemokine (C-X-C motif) ligand 10 (CXCL10), chemokine (C-C motif) ligand 2 (CCL2) and neurofilament light (NFL) were determined by commercial assays...
May 19, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28523924/comparison-of-transcriptional-profiles-of-interferons-cxcl10-and-rig-1-in-influenza-infected-a549-cells-stimulated-with-exogenous-interferons
#8
V Lachová, L Škorvanová, D Svetlíková, L Turianová, A Kostrábová, T Betáková
Type I and type III interferons (IFNs) are induced by viral infection. It was concluded that these IFN species are identical in regulation and biological functions. However, these two systems differ in the tissue expression of their receptors and their transcriptional regulation is fundamentally different as well as cellular signaling pathways that drive expression of each IFN. Here, we have investigated the transcriptional profile of endogenous IFNs after stimulation of cells with exogenous IFNs and subsequent infection of A549 cells with A/chicken/Germany/27 [H7N7] influenza virus...
2017: Acta Virologica
https://www.readbyqxmd.com/read/28523567/peripheral-viral-challenge-triggers-hippocampal-production-of-inflammatory-proteins
#9
Tiffany Petrisko, Gregory Konat
Peripheral viral infections increase seizure propensity and intensity in susceptible individuals. We have modeled this comorbidity by demonstrating that intraperitoneal (ip) injection of the conventional viral mimetic, polyinosinic-polycytidylic acid (PIC), renders the brain hypersusceptible to seizures induced by kainic acid (KA). At the molecular level, the hippocampus, which is the ictal site of KA-induced seizures, exhibits upregulated expression of messages encoding several inflammatory genes. Here, we profiled temporal expression of these genes at the protein level...
May 18, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28515147/increased-t-cell-infiltration-elicited-by-erk5-deletion-in-a-pten-deficient-mouse-model-of-prostate-carcinogenesis
#10
Carolyn Loveridge, Ernest Mui, Rachana Patel, Ee Hong Tan, Imran Ahmad, Michelle Welsh, Julie Galbraith, Ann Hedley, Colin Nixon, Karen Blyth, Owen J Sansom, Hing Y Leung
Prostate cancer (PCa) does not appear to respond to immune checkpoint therapies where T cell infiltration may be a key limiting factor. Here we report evidence that ablating the growth regulatory kinase Erk5 can increase T cell infiltration in an established Pten-deficient mouse model of human PCa. Mice that were doubly mutant in prostate tissue for Pten and Erk5 (prostate DKO) exhibited a markedly increased median survival with reduced tumor size and proliferation compared to control Pten-mutant mice, the latter of which exhibited increased Erk5 mRNA expression...
May 17, 2017: Cancer Research
https://www.readbyqxmd.com/read/28506308/attenuating-immune-pathology-using-a-microbial-based-intervention-in-a-mouse-model-of-cigarette-smoke-induced-lung-inflammation
#11
Mark Bazett, Agnieszka Biala, Ryan D Huff, Matthew R Zeglinksi, Philip M Hansbro, Momir Bosiljcic, Hal Gunn, Shirin Kalyan, Jeremy A Hirota
BACKGROUND: Cigarette smoke exposure is the major risk factor for developing COPD. Presently, available COPD treatments focus on suppressing inflammation and providing bronchodilation. However, these options have varying efficacy in controlling symptoms and do not reverse or limit the progression of COPD. Treatments strategies using bacterial-derived products have shown promise in diseases characterized by inflammation and immune dysfunction. This study investigated for the first time whether a novel immunotherapy produced from inactivated Klebsiella (hereafter referred to as KB) containing all the major Klebsiella macromolecules, could attenuate cigarette smoke exposure-induced immune responses...
May 15, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28499252/crosstalk-between-hdac6-and-nox2-based-nadph-oxidase-mediates-hiv-1-tat-induced-pro-inflammatory-responses-in-astrocytes
#12
Gi Soo Youn, Hyundong Cho, Donggyu Kim, Soo Young Choi, Jinseu Park
Histone deacetylase 6 (HDAC6) likely is important in inflammatory diseases. However, how HDAC6 exerts its effect on inflammatory processes remains unclear. HIV-1 transactivator of transcription (Tat) activates NADPH oxidase resulting in generation of reactive oxygen species (ROS), leading to extensive neuro-inflammation in the central nervous system. We investigated the correlation of HDAC6 and NADPH oxidase in HIV-1 Tat-stimulated astrocytes. HDAC6 knockdown attenuated HIV-1 Tat-induced ROS generation and NADPH oxidase activation...
May 4, 2017: Redox Biology
https://www.readbyqxmd.com/read/28496437/bacillus-anthracis-peptidoglycan-integrity-is-disrupted-by-the-chemokine-cxcl10-through-the-ftse-x-complex
#13
Katie R Margulieux, Benjamin K Liebov, Venkata S K K S Tirumala, Arpita Singh, John H Bushweller, Robert K Nakamoto, Molly A Hughes
The antimicrobial activity of the chemokine CXCL10 against vegetative cells of Bacillus anthracis occurs via both bacterial FtsE/X-dependent and-independent pathways. Previous studies established that the FtsE/X-dependent pathway was mediated through interaction of the N-terminal region(s) of CXCL10 with a functional FtsE/X complex, while the FtsE/X-independent pathway was mediated through the C-terminal α-helix of CXCL10. Both pathways result in cell lysis and death of B. anthracis. In other bacterial species, it has been shown that FtsE/X is involved in cellular elongation though activation of complex-associated peptidoglycan hydrolases...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28494003/p2y6-receptors-are-involved-in-mediating-the-effect-of-inactivated-avian-influenza-virus-h5n1-on-il-6-cxcl8-mrna-expression-in-respiratory-epithelium
#14
Nawiya Huipao, Suparerk Borwornpinyo, Suwimon Wiboon-Ut, Craig R Campbell, Il-Ha Lee, Siriphun Hiranyachattada, Chonlaphat Sukasem, Arunee Thitithanyanont, Chumpol Pholpramool, David I Cook, Anuwat Dinudom
One of the key pathophysiologies of H5N1 infection is excessive proinflammatory cytokine response (cytokine storm) characterized by increases in IFN-β, TNF-α, IL-6, CXCL10, CCL4, CCL2 and CCL5 in the respiratory tract. H5N1-induced cytokine release can occur via an infection-independent mechanism, however, detail of the cellular signaling involved is poorly understood. To elucidate this mechanism, the effect of inactivated (β-propiolactone-treated) H5N1 on the cytokine and chemokine mRNA expression in 16HBE14o- human respiratory epithelial cells was investigated...
2017: PloS One
https://www.readbyqxmd.com/read/28493293/responsiveness-to-oral-prednisolone-in-severe-asthma-is-related-to-the-degree-of-eosinophilic-airway-inflammation
#15
Ana R Sousa, Richard P Marshall, Linda C Warnock, Sarah Bolton, Annette Hastie, Fiona Symon, Beverley Hargadon, Hilary Marshall, Matthew Richardson, Christopher E Brightling, Pranab Haldar, Roberta Milone, Peter Chalk, Rick Williamson, Reynold Panettieri, Richard Knowles, Eugene R Bleecker, Andrew J Wardlaw
BACKGROUND: Patients with severe asthma appear relatively corticosteroid resistant. Corticosteroid responsiveness is closely related to the degree of eosinophilic airway inflammation. The extent to which eosinophilic airway inflammation in severe asthma responds to treatment with systemic corticosteroids is not clear. OBJECTIVE: To relate the physiological and inflammatory response to systemic corticosteroids in asthma to disease severity and the baseline extent of eosinophilic inflammation...
May 10, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28487742/serum-cytokine-profile-in-a-patient-diagnosed-with-dysferlinopathy
#16
Svetlana F Khaiboullina, Ekaterina V Martynova, Sergey N Bardakov, Mikhail O Mavlikeev, Ivan A Yakovlev, Arthur A Isaev, Roman V Deev, Albert A Rizvanov
Limb-girdle muscular dystrophy type 2 (LGMD2B) is a mild form of dysferlinopathy, characterized by limb weakness and wasting. It is an autosomal recessive disease, with currently 140 mutations in the LGMD2B gene identified. Lack of functional dysferlin inhibits muscle fiber regeneration in voluntary muscles, the main pathological finding in LGMD2B patients. However, the immune system has been suggested to contribute to muscle cell death and tissue regeneration. Serum levels of 27 cytokines were evaluated in a dysferlinopathy patient...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28487565/chemokine-profiles-of-interstitial-pneumonia-in-patients-with-dermatomyositis-a-case-control-study
#17
Katsuhiro Oda, Takuya Kotani, Tohru Takeuchi, Takaaki Ishida, Takeshi Shoda, Kentaro Isoda, Shuzo Yoshida, Yasuichiro Nishimura, Shigeki Makino
Chemokines play an important role in the pathophysiology of dermatomyositis (DM) with interstitial pneumonia (IP). However, the relation between chemokines and the disease activity or prognosis of DM-IP has not been elucidated. We evaluated the serum C-C motif chemokine ligand (CCL) 2, Th1 chemokines (C-X-C motif chemokine ligand [CXCL] 9, CXCL10, CXCL11), and Th2 chemokine (CCL17) profiles of 30 patients, and examined the relation between these chemokines and the disease activity or prognosis of DM-IP. Initial serum CCL2 level was higher in the death group (P = 0...
May 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28475193/metabolomic-profiling-and-biochemical-evaluation-of-the-follicular-fluid-of-endometriosis-patients
#18
Santonastaso Marianna, Pucciarelli Alessia, Costantini Susan, Caprio Francesca, Sorice Angela, Capone Francesca, Natella Antonella, Iardino Patrizia, Colacurci Nicola, Chiosi Emilio
Diseases are complex systems that can be studied through the integration of data derived from different disciplines to obtain a global and reliable picture of the biological phenomenon under investigation. Based on the recent observations that the metabolomics profiling of follicular fluids reflects the ovarian microenvironment of women and that endometriosis represents an example of complex diseases, clearly diagnosed by laparoscopy, we thought that the follicular fluids of endometriosis patients can represent a study model to evaluate the possibility of integrating data obtained by different approaches...
May 5, 2017: Molecular BioSystems
https://www.readbyqxmd.com/read/28471454/diptoindonesin-g-promotes-erk-mediated-nuclear-translocation-of-p-stat1-ser727-and-cell-differentiation-in-aml-cells
#19
Jian Gao, Minmin Fan, Gang Xiang, Jujuan Wang, Xiong Zhang, Wenjie Guo, Xuefeng Wu, Yang Sun, Yanhong Gu, Huiming Ge, Renxiang Tan, Hongxia Qiu, Yan Shen, Qiang Xu
Exploration of a new differentiation therapy that extends the range of differentiation for treating acute myeloid leukemia (AML) is attractive to researchers and clinicians. Here we report that diptoindonesin G (Dip G), a natural resveratrol aneuploid, exerts antiproliferative activity by inducing G2/M phase arrest and cell differentiation in AML cell lines and primary AML cells. Gene-profiling experiments showed that treating human leukemia HL-60 cells with Dip G was associated with a remarkable upregulation of STAT1 target gene expression, including IFIT3 and CXCL10...
May 4, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28470016/relationship-of-human-immunodeficiency-virus-viral-load-in-cerebrospinal-fluid-and-plasma-in-patients-co-infected-with-cryptococcal-meningitis
#20
Christina C Chang, Richard Kangethe, Saleha Omarjee, Keshni Hiramen, Bernadett Gosnell, Katlego Sojane, Mohamed-Yunus S Moosa, Sharon R Lewin, Martyn A French, Thumbi Ndung'u
We measured human immunodeficiency virus (HIV) ribonucleic acid (RNA) in paired cerebrospinal fluid (CSF) and plasma samples in a prospective study of 91 HIV-infected, antiretroviral therapy-naive patients with cryptococcal meningitis. Cerebrospinal fluid HIV RNA was lower than in plasma (median 4.7 vs 5.2 log10 copies/mL, P < .0001) and positively correlated with plasma HIV RNA, peripheral CD4(+) T-cell percentage, and CSF CXCL10. Plasma/CSF ratio of HIV RNA ranged widely from 0.2 to 265.5 with a median of 2...
2017: Open Forum Infectious Diseases
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