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https://www.readbyqxmd.com/read/28105099/lamotrigine-decreases-mrp8-and-il-7-in-rat-models-of-intractable-epilepsy-secondary-to-focal-cortical-dysplasia
#1
Jianping Wei, Qingmei Nie, Feng Li
The aim of the present study was to examine the effect of lamotrigine and the expression of myeloid-related protein 8 (MRP8) and interleukin-7 (IL-7) in the treatment of focal cortical dysplasia with secondary intractable epilepsy. In this study, rats with focal cortical dysplasia with secondary intractable epilepsy (constructed by our laboratory) were selected and used for experimentation, 21-day Sprague-Dawley rats were randomly divided into the control group (38 rats), the observation group I (39 rats), and the observation group II (38 rats)...
December 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28100620/overexpression-of-il-7-extends-the-humoral-immune-response-induced-by-rabies-vaccination
#2
Yingying Li, Ming Zhou, Zhaochen Luo, Yachun Zhang, Min Cui, Huanchun Chen, Zhen F Fu, Ling Zhao
: Rabies continues to present a public health threat in most countries of the world. The most efficient way to prevent and control rabies is to implement vaccination programmes for domestic animals. However, traditional inactivated vaccines used in animals are costly and have a relatively low efficiency, which impedes their extensive use in developing countries. There is therefore an urgent need to develop single-dose and long-lasting rabies vaccines. However, little information is available regarding the mechanisms underlying immunological memory, which can broaden humoral responses following rabies vaccination...
January 18, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28090796/impact-of-c-rel-inhibition-of-cord-blood-derived-b-t-and-nk-cells
#3
Shirin Fallahi, Seyede Momeneh Mohammadi, Hamid Tayefi Nasrabadi, Alireza Alihemmati, Naser Samadi, Sanaz Gholami, Dariush Shanehbandi, Hojjatollah Nozad Charoudeh
The c-Rel transcription factor is a unique member of the nuclear factor (NF)-κB family that has a role in curtailing the proliferation, differentiation, cytokine production, and overall activity of B- and T-cells. In addition, c-Rel is a key regulator of apoptosis in that it influences the expression of anti-apoptotic genes such as Bcl-2 and Bcl-xL; conversely, inhibition of c-Rel increases cell apoptosis. To better understand the relationship between c-Rel expression and effects on B- and T-cell expansion, the current study evaluated c-Rel expression in cord blood mononuclear cells...
January 16, 2017: Journal of Immunotoxicology
https://www.readbyqxmd.com/read/28088207/cytokine-and-neuropeptide-levels-are-associated-with-pain-relief-in-patients-with-chronically-painful-total-knee-arthroplasty-a-pilot-study
#4
Jasvinder A Singh, Siamak Noorbaloochi, Keith L Knutson
BACKGROUND: There are few studies with an assessment of the levels of cytokines or neuropeptides as correlates of pain and pain relief in patients with painful joint diseases. Our objective was to assess whether improvements from baseline to 2-months in serum cytokine, chemokine and substance P levels were associated with clinically meaningful pain relief at 2-months post-injection in patients with painful total knee arthroplasty (TKA). METHODS: Using data from randomized trial of 60 TKAs, we assessed the association of change in cytokine/chemokine/Substance P levels with primary study outcome, clinically important improvement in Western Ontario McMaster Osteoarthritis Index (WOMAC) pain subscale at 2-months post-injection using Student's t-tests and Spearman's correlation coefficient (non-parametric)...
January 14, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28081374/cytokine-profiles-in-aqueous-humor-and-plasma-of-hiv-infected-individuals-with-ocular-syphilis-or-cytomegalovirus-retinitis
#5
Matilde Ruiz-Cruz, Santiago Ávila-Rios, Christopher E Ormsby, Yuria Ablanedo-Terrazas, Claudia Alvarado-de la Barrera, Leticia Kuri-Cervantes, Gustavo Reyes-Terán
PURPOSE: To characterize the immunologic profile in aqueous humor (AqH) of HIV-infected individuals with cytomegalovirus retinitis (CMVr) or ocular syphilis and to assess if AqH and plasma represent independent cytokine compartments. METHODS: Concentrations of 27 cytokines in AqH and plasma of HIV-infected individuals with CMVr (n = 23) or ocular syphilis (n = 16) were measured by multiplex assay. Cytokine profiles of both groups were compared. RESULTS: Individuals with CMVr had higher plasma concentrations of interleukin (IL)-7, IL-8, IL-10, interferon (IFN)-γ, IFN-α2, G-CSF, IP-10 and IL-1α; as well as higher AqH concentrations of IL-1α, IP-10 and GM-CSF than those with ocular syphilis...
January 12, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28074039/cd34-mesenchymal-cells-are-a-major-component-of-the-intestinal-stem-cells-niche-at-homeostasis-and-after-injury
#6
Igor Stzepourginski, Giulia Nigro, Jean-Marie Jacob, Sophie Dulauroy, Philippe J Sansonetti, Gérard Eberl, Lucie Peduto
The intestinal epithelium is continuously renewed by intestinal epithelial stem cells (IESCs) positioned at the base of each crypt. Mesenchymal-derived factors are essential to maintain IESCs; however, the cellular composition and development of such mesenchymal niche remains unclear. Here, we identify pericryptal CD34(+) Gp38(+) αSMA(-) mesenchymal cells closely associated with Lgr5(+) IESCs. We demonstrate that CD34(+) Gp38(+) cells are the major intestinal producers of the niche factors Wnt2b, Gremlin1, and R-spondin1, and are sufficient to promote maintenance of Lgr5(+) IESCs in intestinal organoids, an effect mainly mediated by Gremlin1...
10, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28061809/oxidative-stress-biomarkers-and-their-relationship-with-cytokine-concentrations-in-overweight-obese-pregnant-women-and-their-neonates
#7
María Hernández-Trejo, Araceli Montoya-Estrada, Yessica Torres-Ramos, Aurora Espejel-Núñez, Alberto Guzmán-Grenfell, Rosa Morales-Hernández, Maricruz Tolentino-Dolores, Estibalitz Laresgoiti-Servitje
BACKGROUND: Oxidative damage present in obese/overweight mothers may lead to further oxidative stress conditions or inflammation in maternal and cord blood samples. Thirty-four pregnant women/newborn pairs were included in this study to assess the presence of oxidative stress biomarkers and their relationship with serum cytokine concentrations. Oxidative stress biomarkers and antioxidant enzymes were compared between the mother/offspring pairs. The presence of 27 cytokines was measured in maternal and cord blood samples...
January 7, 2017: BMC Immunology
https://www.readbyqxmd.com/read/28043030/potential-gingival-crevicular-fluid-and-serum-biomarkers-by-stage-of-hiv-infection
#8
Jesús Eduardo Elizondo, María Del Refugio Rocha-Pizaña, Ana Cecilia Treviño, Deborah Violant, Mario Moisés Álvarez, Ana María Rivas-Estilla
OBJECTIVE: This study evaluates the potential of gingival crevicular fluid and serum cytokines as HIV stage biomarkers. METHODS: Gingival crevicular fluid (GCF) and serum samples from 78 HIV-positive adult male subjects (cases) and 39 HIV-negative male subjects (controls) from Mexico were examined for 17 cytokines using multiplex ELISA. Participants were divided into five subgroups by HIV stage of infection on age-specific CD4+ T-lymphocyte count and antiretroviral therapy (ART), and further correlated to the cytokine levels...
December 30, 2016: Cytokine
https://www.readbyqxmd.com/read/28043029/cd4-il-21-t-cells-are-correlated-with-regulatory-t-cells-and-il-21-promotes-regulatory-t-cells-survival-during-hiv-infection
#9
Zi-Ning Zhang, Li-Xin Bai, Ya-Jing Fu, Yong-Jun Jiang, Hong Shang
INTRODUCTION: IL-21 enhances T and natural killer cells survival and antiviral functions without promoting T cell activation during HIV infection, which makes it a better adjuvant in anti-HIV immunotherapy. Due to the pleiotropy and redundancy of cytokines, it is vital to have a comprehensive knowledge of the role of IL-21 in the regulation of immune responses. Regulatory T cells (Tregs) play an important role in immune regulation and are a determinant of immune therapeutic efficacy in certain circumstances...
December 30, 2016: Cytokine
https://www.readbyqxmd.com/read/28036019/lymph-nodes-and-cancer-metastasis-new-perspectives-on-the-role-of-intranodal-lymphatic-sinuses
#10
REVIEW
Rui-Cheng Ji
The lymphatic system is essential for transporting interstitial fluid, soluble antigen, and immune cells from peripheral tissues to lymph nodes (LNs). Functional integrity of LNs is dependent on intact lymphatics and effective lymph drainage. Molecular mechanisms that facilitate interactions between tumor cells and lymphatic endothelial cells (LECs) during tumor progression still remain to be identified. The cellular and molecular structures of LNs are optimized to trigger a rapid and efficient immune response, and to participate in the process of tumor metastasis by stimulating lymphangiogenesis and establishing a premetastatic niche in LNs...
December 28, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28002722/one-niche-to-rule-both-maintenance-and-loss-of-stemness-in-hscs
#11
Motonari Kondo
Hemato-lymphopoiesis initiated by hematopoietic stem cells (HSCs) is tightly regulated by factors present in the bone marrow (BM) niche. Using genetically modified mice, Gomes et al. (2016) show that IL-7 is produced by HSC niche-forming cells and find that the same niche that controls HSC self-renewal can also support differentiation.
December 20, 2016: Immunity
https://www.readbyqxmd.com/read/28002647/il-7-and-procalcitonin-are-useful-biomarkers-in-the-comprehensive-evaluation-of-the-severity-of-acute-cholangitis
#12
Yusuke Suwa, Ryusei Matsuyama, Koki Goto, Toshiaki Kadokura, Mari Sato, Ryutaro Mori, Takafumi Kumamoto, Masataka Taguri, Taku Miyasho, Itaru Endo
BACKGROUND: The incidence of biliary tract infection (BTI), especially healthcare-associated cholangitis, is increasing. However, there are few reports concerning biomarkers of acute cholangitis. We therefore performed an exhaustive investigation of several biomarkers. METHODS: We retrospectively measured eleven cytokines, six chemokines and procalcitonin (PCT), and endotoxin activity assay (EAA) values (IRB: 110512019) of sixty-one samples with acute cholangitis...
December 21, 2016: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/27998802/janus-kinase-inhibition-for-immunosuppression-in-solid-organ-transplantation-is-there-a-role-in-complex-immunologic-challenges
#13
REVIEW
Cody A Moore, Carlo J Iasella, Raman Venkataramanan, Fadi G Lakkis, Randall B Smith, John F McDyer, Adriana Zeevi, Christopher R Ensor
Inhibition of the Janus kinase-signal transducer and activator of transcription (JAK-STAT) pathway for immunosuppression in solid organ transplantation is appealing due to its specificity for immune cell function, particularly for JAK3. This is due to its unique association with only the common gamma chain (γc). The γc is an appealing immunosuppression target in transplantation because of the critically important lymphokines that act at it, including IL-2, IL-4, IL-7, IL-9, IL-15, and IL-21. Tofacitinib was initially purported to selectively inhibit solely JAK3, but subsequent analyses have also demonstrated its activity at the other members of the JAK family...
December 18, 2016: Human Immunology
https://www.readbyqxmd.com/read/27997540/il-7-receptor-mutations-and-steroid-resistance-in-pediatric-t-cell-acute-lymphoblastic-leukemia-a-genome-sequencing-study
#14
Yunlei Li, Jessica G C A M Buijs-Gladdines, Kirsten Canté-Barrett, Andrew P Stubbs, Eric M Vroegindeweij, Willem K Smits, Ronald van Marion, Winand N M Dinjens, Martin Horstmann, Roland P Kuiper, Rogier C Buijsman, Guido J R Zaman, Peter J van der Spek, Rob Pieters, Jules P P Meijerink
BACKGROUND: Pediatric acute lymphoblastic leukemia (ALL) is the most common childhood cancer and the leading cause of cancer-related mortality in children. T cell ALL (T-ALL) represents about 15% of pediatric ALL cases and is considered a high-risk disease. T-ALL is often associated with resistance to treatment, including steroids, which are currently the cornerstone for treating ALL; moreover, initial steroid response strongly predicts survival and cure. However, the cellular mechanisms underlying steroid resistance in T-ALL patients are poorly understood...
December 2016: PLoS Medicine
https://www.readbyqxmd.com/read/27995612/-inflamm-aging-influences-immune-cell-survival-factors-in-human-bone-marrow
#15
Luca Pangrazzi, Andreas Meryk, Erin Naismith, Rafal Koziel, Julian Lair, Martin Krismer, Klemens Trieb, Beatrix Grubeck-Loebenstein
The bone marrow (BM) plays a key role in the long-term maintenance of immunological memory. However, the impact of aging on the production of survival factors for effector/memory T cells and plasma cells in the human BM has not been studied. We now show that the expression of molecules involved in the maintenance of immunological memory in the human BM changes with age. While IL-15, which protects potentially harmful CD8(+) CD28(-) senescent T cells, increases, IL-7 decreases. IL-6, which may synergize with IL-15, is also overexpressed...
December 19, 2016: European Journal of Immunology
https://www.readbyqxmd.com/read/27994167/immune-reconstitution-after-allogeneic-hematopoietic-stem-cell-transplantation-time-to-t-up-the-thymus
#16
REVIEW
Mohammed S Chaudhry, Enrico Velardi, Florent Malard, Marcel R M van den Brink
The success of allogeneic hematopoietic stem cell transplantation, a key treatment for many disorders, is intertwined with T cell immune reconstitution. The thymus plays a key role post allogeneic hematopoietic stem cell transplantation in the generation of a broad but self-tolerant T cell repertoire, but it is exquisitely sensitive to a range of insults during the transplant period, including conditioning regimens, corticosteroids, infections, and graft-versus-host disease. Although endogenous thymic repair is possible it is often suboptimal, and there is a need to develop exogenous strategies to help regenerate the thymus...
January 1, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27990142/homeostatically-maintained-resting-naive-cd4-t-cells-resist-latent-hiv-reactivation
#17
Yasuko Tsunetsugu-Yokota, Mie Kobayahi-Ishihara, Yamato Wada, Kazutaka Terahara, Haruko Takeyama, Ai Kawana-Tachikawa, Kenzo Tokunaga, Makoto Yamagishi, Javier P Martinez, Andreas Meyerhans
Homeostatic proliferation (HSP) is a major mechanism by which long-lived naïve and memory CD4(+) T cells are maintained in vivo and suggested to contribute to the persistence of the latent HIV-1 reservoir. However, while many in vitro latency models rely on CD4(+) T cells that were initially differentiated via T-cell receptor (TCR) stimulation into memory/effector cells, latent infection of naïve resting CD4(+) T cells maintained under HSP conditions has not been fully addressed. Here, we describe an in vitro HSP culture system utilizing the cytokines IL-7 and IL-15 that allows studying latency in naïve resting CD4(+) T cells...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27974697/surrogate-in-vitro-activation-of-innate-immunity-synergizes-with-interleukin-7-to-unleash-rapid-antigen-driven-outgrowth-of-cd4-and-cd8-human-peripheral-blood-t-cells-naturally-recognizing-muc1-her2-neu-and-other-tumor-associated-antigens
#18
Latha B Pathangey, Dustin B McCurry, Sandra J Gendler, Ana L Dominguez, Jessica E Gorman, Girish Pathangey, Laurie A Mihalik, Yushe Dang, Mary L Disis, Peter A Cohen
Effective adoptive immunotherapy has proved elusive for many types of human cancer, often due to difficulties achieving robust expansion of natural tumor-specific T-cells from peripheral blood. We hypothesized that antigen-driven T-cell expansion might best be triggered in vitro by acute activation of innate immunity to mimic a life-threatening infection. Unfractionated peripheral blood mononuclear cells (PBMC) were subjected to a two-step culture, first synchronizing their exposure to exogenous antigens with aggressive surrogate activation of innate immunity, followed by γ-chain cytokine-modulated T-cell hyperexpansion...
December 11, 2016: Oncotarget
https://www.readbyqxmd.com/read/27933060/regulators-of-tfh-cell-differentiation
#19
REVIEW
Gajendra M Jogdand, Suchitra Mohanty, Satish Devadas
The follicular helper T (Tfh) cells help is critical for activation of B cells, antibody class switching, and germinal center (GC) formation. The Tfh cells are characterized by the expression of CXC chemokine receptor 5 (CXCR5), ICOS, programed death 1 (PD-1), B cell lymphoma 6 (BCL-6), and IL-21. They are involved in clearing infections and are adversely linked with autoimmune diseases and also have a role in viral replication as well as clearance. On the one hand, Tfh cells are generated from naive CD4(+) T cells with sequential steps involving cytokine signaling (IL-21, IL-6, IL-12, activin A), migration, and positioning in the GC by CXCR5, surface receptors (ICOS/ICOSL, signaling lymphocyte activation molecule-associated protein/signaling lymphocyte activation molecule) as well as transcription factor (BCL-6, c-Maf, and signal transducer and activator of transcription 3) signaling and repressor miR155...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27931275/serum-tryptase-level-and-inflammatory-markers-in-exhaled-breath-condensate-of-children-with-exercise-induced-symptoms
#20
Iwona Stelmach, Magdalena Zaczeniuk, Anna Sztafiska, Pawe Majak, Joanna Jerzyska, Anna Kuklinska-Pijanka, Wlodzimierz Stelmach
BACKGROUND: The pathogenesis of exercise-induced bronchoconstriction (EIB) is poorly understood. OBJECTIVE: To evaluate the biomarkers concentration in exhaled breath condensate (EBC) in schoolchildren with postexercise symptoms. We also evaluated changes in fractional exhaled nitric oxide (FeNO) value and the serum tryptase level after exercise. METHODS: One hundred children with postexercise symptoms were included. Methacholine challenge testing (MCT) was performed at visit 2, and exercise challenge testing (ECT) was performed at visit 3...
September 2016: Allergy and Asthma Proceedings:
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