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https://www.readbyqxmd.com/read/29017282/plasma-cytokine-predictors-of-tuberculosis-recurrence-in-antiretroviral-treated-human-immunodeficiency-virus-infected-individuals-from-durban-south-africa
#1
Aida Sivro, Lyle R McKinnon, Nonhlanhla Yende-Zuma, Santhana Gengiah, Natasha Samsunder, Salim S Abdool Karim, Kogieleum Naidoo
Background: Immune correlates of tuberculosis (TB) risk in populations infected with human immunodeficiency virus (HIV) remain understudied, despite HIV being associated with a high burden of TB disease. Here we describe plasma cytokine correlates of TB recurrence in a well-characterized cohort of HIV-infected individuals on antiretroviral therapy (ART) with a history of prior TB cure. Methods: Study participants were drawn from a prospective cohort study initiated at the conclusion of a randomized clinical trial in which individuals presented with untreated HIV infection and active pulmonary TB...
September 1, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28978285/elucidating-pro-inflammatory-cytokine-responses-following-traumatic-brain-injury-in-a-human-stem-cell-model
#2
Eric Peter Thelin, Claire E Hall, Kunal Gupta, Keri Carpenter, Siddharthan Chandran, Peter John Hutchinson, Rickie Patani, Adel Helmy
Cytokine mediated inflammation likely plays an important role in secondary pathology following traumatic brain injury (TBI). The aim of this study was to elucidate secondary cytokine responses in an in vitro enriched (>80%) human stem cell-derived neuronal model. We exposed neuronal cultures to pre-determined and clinically relevant pathophysiological levels of Tumor Necrosis Factor- (TNF), Interleukin-6 (IL-6) and Interleukin-1β (IL-1β), shown to be present in the inflammatory aftermath of TBI. Data from this reductionist human model were then compared to our in vivo data...
October 5, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28962641/overexpression-of-hypoxia-inducible-factor-1-alpha-improves-immunomodulation-by-dental-mesenchymal-stem-cells
#3
Victor G Martinez, Imelda Ontoria-Oviedo, Carolina P Ricardo, Sian E Harding, Rosa Sacedon, Alberto Varas, Agustin Zapata, Pilar Sepulveda, Angeles Vicente
BACKGROUND: Human dental mesenchymal stem cells (MSCs) are considered as highly accessible and attractive MSCs for use in regenerative medicine, yet some of their features are not as well characterized as other MSCs. Hypoxia-preconditioning and hypoxia-inducible factor 1 (HIF-1) alpha overexpression significantly improves MSC therapeutics, but the mechanisms involved are not fully understood. In the present study, we characterize immunomodulatory properties of dental MSCs and determine changes in their ability to modulate adaptive and innate immune populations after HIF-1 alpha overexpression...
September 29, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28934231/principal-component-analysis-identifies-patterns-of-cytokine-expression-in-non-small-cell-lung-cancer-patients-undergoing-definitive-radiation-therapy
#4
Susannah G Ellsworth, Bryan M Rabatic, Jie Chen, Jing Zhao, Jeffrey Campbell, Weili Wang, Wenhu Pi, Paul Stanton, Martha Matuszak, Shruti Jolly, Amy Miller, Feng-Ming Kong
BACKGROUND/PURPOSE: Radiation treatment (RT) stimulates the release of many immunohumoral factors, complicating the identification of clinically significant cytokine expression patterns. This study used principal component analysis (PCA) to analyze cytokines in non-small cell lung cancer (NSCLC) patients undergoing RT and explore differences in changes after hypofractionated stereotactic body radiation therapy (SBRT) and conventionally fractionated RT (CFRT) without or with chemotherapy...
2017: PloS One
https://www.readbyqxmd.com/read/28932629/a-circulating-th2-cytokines-profile-predicts-survival-in-patients-with-resectable-pancreatic-adenocarcinoma
#5
Geny Piro, Francesca Simionato, Carmine Carbone, Melissa Frizziero, Giuseppe Malleo, Silvia Zanini, Raffaella Casolino, Raffaela Santoro, Maria Mihaela Mina, Camilla Zecchetto, Valeria Merz, Aldo Scarpa, Claudio Bassi, Giampaolo Tortora, Davide Melisi
Surgery is the only potentially curative option for patients with pancreatic ductal adenocarcinoma (PDAC), but metastatic relapse remains common. We hypothesized that the expression levels of inflammatory cytokines could predict recurrence of PDAC, thus allowing to select patients who most likely could benefit from surgical resection. We prospectively collected plasma at diagnosis from 287 patients with pancreatic resectable neoplasms. The expression levels of 23 cytokines were measured in 90 patients with PDAC by using a multiplex analyte profiling assay...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28915590/combination-of-desi2-and-ip10-gene-therapy-significantly-improves-therapeutic-efficacy-against-murine-carcinoma
#6
Chao Lin, HuaYing Yan, Jun Yang, Lei Li, Mei Tang, Xinyu Zhao, Chunlai Nie, Na Luo, Yuquan Wei, Zhu Yuan
DESI2 (also known as PNAS-4) is a novel pro-apoptotic gene activated during the early response to DNA damage. We previously reported that overexpression of DESI2 induces S phase arrest and apoptosis by activating checkpoint kinases. The present study was designed to test whether combination of DESI2 and IP10 could improve the therapy efficacy in vitro and in vivo. The recombinant plasmid co-expressing DESI2 and IP10 was encapsulated with DOTAP/Cholesterol nanoparticle. Immunocompetent mice bearing CT26 colon carcinoma and LL2 lung cancer were treated with the complex...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903323/the-pancreatic-tumor-microenvironment-drives-changes-in-mirna-expression-that-promote-cytokine-production-and-inhibit-migration-by-the-tumor-associated-stroma
#7
Song Han, David H Gonzalo, Michael Feely, Daniel Delitto, Kevin E Behrns, Mark Beveridge, DongYu Zhang, Ryan Thomas, Jose G Trevino, Thomas D Schmittgen, Steven J Hughes
The pancreatic adenocarcinoma (PDAC) microenvironment is largely comprised of fibrotic tumor associated stroma (TAS) that contributes to the lethal biology of PDAC. microRNA (miRNA) are small non-coding RNAs that regulate gene expression. We hypothesized that interactions between PDAC cells and TAS cells within the microenvironment modulate miRNA expression and thus, tumor biology. We observed that miR-205 and members of the miR-200 family (miR-200a, -200b, -200c, -141 and miR-429) were exclusively expressed in PDAC cells, consistent with an epithelial miRNA signature, while miR-145 and miR-199 family members (miR-199a and -199b) were solely expressed in TAS cells, consistent with a stromal miRNA signature...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28870639/migratory-properties-of-ex-vivo-expanded-regulatory-t-cells-influence-of-all-trans-retinoic-acid-and-rapamycin
#8
J L Beermann, C T Thiesler, U Dringenberg, C Alter, S Kuhs, S Velaga, S N Ukena, A Franzke
Adoptively transferred regulatory T-cells represent a promising therapeutic approach for tolerance induction in autoimmunity and transplantation medicine. However, a major hurdle for clinical application is the manufacturing of sufficient Treg cell numbers with respect to the low frequency of naturally occurring Tregs in the peripheral blood. Therefore, ex vivo large-scale expansion is mandatory for most of the clinical conditions. Besides the Treg cell number other parameters of the cell product are of high relevance for safe and efficient clinical Treg cell application like Treg cell purity, suppressive capacity and genetic stability of the Treg cell phenotype...
September 1, 2017: Transplant Immunology
https://www.readbyqxmd.com/read/28724172/favorable-effects-of-myo-inositol-selenomethionine-or-their-combination-on-the-hydrogen-peroxide-induced-oxidative-stress-of-peripheral-mononuclear-cells-from-patients-with-hashimoto-s-thyroiditis-preliminary-in-vitro-studies
#9
S Benvenga, T Vicchio, F Di Bari, R Vita, P Fallahi, S M Ferrari, S Catania, C Costa, A Antonelli
OBJECTIVE: The aim of this study was to assess whether blood mononuclear cells (PBMC) from Hashimoto's thyroiditis (HT) and control women, were protected from in vitro H2O2-induced oxidative stress after addition of antioxidants. PATIENTS AND METHODS: PBMC, from 8 HT women and 3 healthy women (controls), were cultured in the presence of 200 µM H2O2 alone, with subsequent addition of myo-inositol (Myo) (0.25, 0.5, 1.0 µM), selenomethionine (SelMet) (0.25, 0.5, 1...
June 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28719617/microrna-155-deficiency-leads-to-decreased-autoantibody-levels-and-reduced-severity-of-nephritis-and-pneumonitis-in-pristane-induced-lupus
#10
Harald Leiss, Wilhelm Salzberger, Barbara Jacobs, Irina Gessl, Nicolas Kozakowski, Stephan Blüml, Antonia Puchner, Attila Kiss, Bruno K Podesser, Josef S Smolen, Georg H Stummvoll
OBJECTIVE: We herein examine the role of endogenous miR155 in the development of systemic manifestations in pristane induced lupus. MATERIALS AND METHODS: Systemic lupus in miR155-deficient and wild type mice was induced upon injection of pristane and analyzed after 8 months, PBS-injected mice served as controls. Glomerulonephritis and pneumonitis were quantified using the kidney biopsy score and a newly adapted histomorphometric image analysis system; lung tissue was further analyzed by tissue cytometry...
2017: PloS One
https://www.readbyqxmd.com/read/28708873/impact-of-early-cart-on-hiv-blood-and-semen-compartments-at-the-time-of-primary-infection
#11
RANDOMIZED CONTROLLED TRIAL
Antoine Chéret, Christine Durier, Adeline Mélard, Mickaël Ploquin, Julia Heitzmann, Camille Lécuroux, Véronique Avettand-Fenoël, Ludivine David, Gilles Pialoux, Jean-Marie Chennebault, Michaela Müller-Trutwin, Cécile Goujard, Christine Rouzioux, Laurence Meyer
BACKGROUND: HIV-infected cells in semen facilitate viral transmission. We studied the establishment of HIV reservoirs in semen and blood during PHI, along with systemic immune activation and the impact of early cART. METHODS: Patients in the ANRS-147-OPTIPRIM trial received two years of early cART. Nineteen patients of the trial were analyzed, out of which 8 had acute PHI (WB ≤1 Ab). We quantified total cell-associated (ca) HIV-DNA in blood and semen and HIV-RNA in blood and semen plasma samples, collected during PHI and at 24 months of treatment...
2017: PloS One
https://www.readbyqxmd.com/read/28556026/preclinical-pilot-study-monitoring-topical-drug-penetration-and-dermal-bioavailability-of-a-peptidase-inhibitor-from-different-galenic-formulations-into-pig-dermis-using-cutaneous-microdialysis
#12
S R Quist, A Heimburg, U Bank, D Mahnkopf, G Koch, H Gollnick, M Täger, S Ansorge
BACKGROUND: Cutaneous microdialysis (CM) is an ex vivo technique that allows study of tissue chemistry, including bioavailability of actual tissue concentration of unbound drug in the interstitial fluid of the body. AIM: To test the penetration and dermal bioavailability of galenic formulations of the small-molecule IP10.C8, a dual-protease inhibitor of the dipeptidyl peptidase and aminopeptidase families. METHODS: Using CM, we tested the penetration and dermal bioavailability of IP10...
May 29, 2017: Clinical and Experimental Dermatology
https://www.readbyqxmd.com/read/28525888/combination-of-desi2-and-ip10-gene-therapy-significantly-improves-therapeutic-efficacy-against-murine-carcinoma
#13
Chao Lin, HuaYing Yan, Jun Yang, Lei Li, Mei Tang, Xinyu Zhao, Chunlai Nie, Na Luo, Yuquan Wei, Zhu Yuan
DESI2 (also known as PNAS-4) is a novel pro-apoptotic gene activated during the early response to DNA damage. We previously reported that overexpression of DESI2 induces S phase arrest and apoptosis by activating checkpoint kinases. The present study was designed to test whether combination of DESI2 and IP10 could improve the therapy efficacy in vitro and in vivo. The recombinant plasmid co-expressing DESI2 and IP10 was encapsulated with DOTAP/Cholesterol nanoparticle. Immunocompetent mice bearing CT26 colon carcinoma and LL2 lung cancer were treated with the complex...
May 5, 2017: Oncotarget
https://www.readbyqxmd.com/read/28467291/clinical-associations-of-proinflammatory-cytokines-oxidative-biomarkers-and-vitamin-d-levels-in-systemic-lupus-erythematosus
#14
R Willis, M Smikle, K DeCeulaer, Z Romay-Penabad, E Papalardo, P Jajoria, B Harper, V Murthy, M Petri, E B Gonzalez
Background The abnormal biological activity of cytokines plays an important role in the pathophysiology of both systemic lupus erythematosus (SLE) and antiphospholipid syndrome (APS). Several studies have highlighted the association of vitamin D and certain pro-inflammatory cytokines with disease activity in SLE. However, there are limited data on the association of vitamin D and antiphospholipid antibodies (aPL) with various proinflammatory biomarkers in these patients and their relative impact on clinical outcomes...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28466561/alcohol-abstinence-ameliorates-the-dysregulated-immune-profiles-in-patients-with-alcoholic-hepatitis-a-prospective-observational-study
#15
Wei Li, Tohti Amet, Yanyan Xing, Dennis Yang, Suthat Liangpunsakul, Puneet Puri, Patrick S Kamath, Arun J Sanyal, Vijay H Shah, Barry P Katz, Svetlana Radaeva, David W Crabb, Naga Chalasani, Qigui Yu
Alcoholic hepatitis (AH) develops in only a small proportion of heavy drinkers. To better understand the mechanisms underlying this disparity, we conducted a study to define the relationship between AH development and dysregulated immune responses that might be ameliorated by alcohol abstinence. Sixty-eight AH patients, 65 heavy drinking controls without liver disease (HDC), and 20 healthy controls were enrolled and followed up to 12 months. At baseline, HDC and healthy controls had no significant differences in their plasma levels of 38 inflammatory cytokines/chemokines measured using multiplex immunoassays...
August 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28453334/different-immune-signature-in-youths-experiencing-antipsychotic-induced-weight-gain-compared-to-untreated-obese-patients
#16
Simone Pisano, Gennaro Catone, Giangennaro Coppola, Marco Carotenuto, Raffaella Iuliano, Claudia Tiano, Anna Rita Montesanto, Vittoria D'Esposito, Emanuele Miraglia Del Giudice, Pietro Formisano, Carmela Bravaccio
OBJECTIVES: To assess cytokine and chemokine levels in youth experiencing antipsychotic-induced weight gain (AIWG) compared to obese patients, hypothesizing a different "immune signature" between the two kinds of obesity. METHODS: We compared a group of youth experiencing AIWG (N 19, mean age 159 months, mean body mass index [BMI] z-score 1.81) and an age-, gender-, and BMI-matched group of untreated obese patients (N 19, mean age 147 months, mean BMI z-score 2) for a wide range of cytokines and chemokines by using a multiplex ELISA test...
April 28, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28419006/plasma-interferon-gamma-inducible-protein-10-level-associates-with-abnormal-memory-b-cells-phenotypes-in-perinatal-hiv-infection
#17
German A Contreras, James R Murphy, Gloria P Heresi
We demonstrate for perinatally HIV-infected children and adolescents receiving combined antiretroviral therapy and in good clinical status with respect to HIV disease that high concentrations of interferon-gamma-inducible protein 10 associate with increased exhausted memory B cells.
September 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28380403/5-triphosphate-sirna-targeting-mdr1-reverses-multi-drug-resistance-and-activates-rig-i-induced-immune-stimulatory-and-apoptotic-effects-against-human-myeloid-leukaemia-cells
#18
Dengzhe Li, Robert Peter Gale, Yanfeng Liu, Baoxia Lei, Yuan Wang, Dongmei Diao, Mei Zhang
Multi-drug resistance (MDR), immune suppression and decreased apoptosis are important causes of therapy-failure in leukaemia. Short interfering RNAs (siRNAs) down-regulate gene transcription, have sequence-independent immune-stimulatory effects and synergize with other anti-cancer therapies in some experimental models. We designed a siRNA targeting MDR1 with 5'-triphosphate ends (3p-siRNA-MDR1). Treatment of leukaemia cells with 3p-siRNA-MDR1 down-regulated MDR1 expression, reduced-drug resistance and induced immune and pro-apoptotic effects in drug-resistant HL-60/Adr and K562/Adr human leukaemia cell lines...
July 2017: Leukemia Research
https://www.readbyqxmd.com/read/28378188/apigenin-suppresses-the-senescence-associated-secretory-phenotype-and-paracrine-effects-on-breast-cancer-cells
#19
Kevin M Perrott, Christopher D Wiley, Pierre-Yves Desprez, Judith Campisi
Apigenin (4',5,7,-trihydroxyflavone) is a flavonoid found in certain herbs, fruits, and vegetables. Apigenin can attenuate inflammation, which is associated with many chronic diseases of aging. Senescent cells-stressed cells that accumulate with age in mammals-display a pro-inflammatory senescence-associated secretory phenotype (SASP) that can drive or exacerbate several age-related pathologies, including cancer. Flavonoids, including apigenin, were recently shown to reduce the SASP of a human fibroblast strain induced to senesce by bleomycin...
April 2017: GeroScience
https://www.readbyqxmd.com/read/28376104/inositol-1-4-5-trisphosphate-dependent-nuclear-calcium-signals-regulate-angiogenesis-and-cell-motility-in-triple-negative-breast-cancer
#20
Erika Guimarães, Rodrigo Machado, Matheus de Castro Fonseca, Andressa França, Clarissa Carvalho, Ana Cândida Araújo E Silva, Brígida Almeida, Puebla Cassini, Bárbara Hissa, Luciana Drumond, Carlos Gonçalves, Gabriel Fernandes, Marina De Brot, Márcio Moraes, Lucíola Barcelos, José Miguel Ortega, André Oliveira, M Fátima Leite
Increases in nuclear calcium concentration generate specific biological outcomes that differ from those resulting from increased cytoplasmic calcium. Nuclear calcium effects on tumor cell proliferation are widely appreciated; nevertheless, its involvement in other steps of tumor progression is not well understood. Therefore, we evaluated whether nuclear calcium is essential in other additional stages of tumor progression, including key steps associated with the formation of the primary tumor or with the metastatic cascade...
2017: PloS One
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