Abatacept modulates proinflammatory macrophage responses upon cytokine-activated T cell and Toll-like receptor ligand stimulation.
AuthorsWenink MH, Santegoets KC, Platt AM, van den Berg WB, van Riel PL, Garside P, Radstake TR, McInnes IB,
JournalAnn Rheum Dis
PubMed ID21908454
'We investigated whether Abatacept might reduce proinflammatory cytokine production by macrophages upon contact with cytokine activated T cells and/or stimulation with TLR ligands. Macrophages and cytokine stimulated T cells (Tck) were added together in the presence of Abatacept or a control Ig, with or without TLR ligands. The production of ... More
Doxycycline-mediated effects on persistent symptoms and systemic cytokine responses post-neuroborreliosis: a randomized, prospective, cross-over study.
AuthorsSjowall J, Ledel A, Ernerudh J, Ekerfelt C, Forsberg P,
JournalBMC Infect Dis
PubMed ID22876748
'ABSTRACT: BACKGROUND: Persistent symptoms after treatment of neuroborreliosis (NB) are well-documented, although the causative mechanisms are mainly unknown. The effect of repeated antibiotic treatment has not been studied in detail. The aim of this study was to determine whether: (1) persistent symptoms improve with doxycycline treatment; (2) doxycycline has an ... More
Analysis of SF and plasma cytokines provides insights into the mechanisms of inflammatory arthritis and may predict response to therapy.
'Biologic drugs have revolutionized the care of RA, but are expensive and not universally effective. To further understand the inflammatory mechanisms underlying RA and identify potential biomarkers predicting response to therapy, we measured multiple cytokine concentrations in SF of patients with inflammatory arthritides (IAs) and, in a subset of patients ... More
Comparison of the Calibration Standards of Three Commercially Available Multiplex Kits for Human Cytokine Measurement to WHO Standards Reveals Striking Differences.
AuthorsNechansky A, Grunt S, Roitt IM, Kircheis R
JournalBiomark Insights
PubMed ID19578507
'Serum parameters as indicators for the efficacy of therapeutic drugs are currently in the focus of intensive research. The induction of certain cytokines (or cytokine patterns) is known to be related to the status of the immune response e.g. in regulating the T(H)1/T(H)2 balance. Regarding their potential value as surrogate ... More
Expression of ICOS on human melanoma-infiltrating CD4+CD25highFoxp3+ T regulatory cells: implications and impact on tumor-mediated immune suppression.
'Interaction of ICOS with its ligand (ICOSL, B7-H2) promotes T cell responses. As CD4+CD25highFoxp3+ naturally occurring T regulatory cells in melanoma patients express ICOS, we investigated the impact of ICOS on naturally occurring T regulatory cell function.' ... More
Early rheumatoid arthritis is characterized by a distinct and transient synovial fluid cytokine profile of T cell and stromal cell origin.
AuthorsRaza K, Falciani F, Curnow SJ, Ross EJ, Lee CY, Akbar AN, Lord JM, Gordon C, Buckley CD, Salmon M
JournalArthritis Res Ther
PubMed ID15987480
'Pathological processes involved in the initiation of rheumatoid synovitis remain unclear. We undertook the present study to identify immune and stromal processes that are present soon after the clinical onset of rheumatoid arthritis (RA) by assessing a panel of T cell, macrophage, and stromal cell related cytokines and chemokines in ... More
Immune responses to collagen-IV and fibronectin in renal transplant recipients with transplant glomerulopathy.
AuthorsAngaswamy N, Klein C, Tiriveedhi V, Gaut J, Anwar S, Rossi A, Phelan D, Wellen JR, Shenoy S, Chapman WC, Mohanakumar T,
Journal
PubMed ID24410875
'Antibodies (Abs) to donor HLA (donor-specific antibodies [DSA]) have been associated with transplant glomerulopathy (TG) following kidney transplantation (KTx). Immune responses to tissue-restricted self-antigens (self-Ags) have been proposed to play a role in chronic rejection. We determined whether KTx with TG have immune responses to self-Ags, Collagen-IV (Col-IV) and fibronectin ... More
Infant morbidity, mortality, and breast milk immunologic profiles among breast-feeding HIV-infected and HIV-uninfected women in Botswana.
AuthorsShapiro RL, Lockman S, Kim S, Smeaton L, Rahkola JT, Thior I, Wester C, Moffat C, Arimi P, Ndase P, Asmelash A, Stevens L, Montano M, Makhema J, Essex M, Janoff EN,
JournalJ Infect Dis
PubMed ID17624842
'Infants of human immunodeficiency virus (HIV)-infected women have high mortality, but the immunologic integrity and protection afforded by the breast milk of HIV-infected women is unknown. We determined morbidity and mortality by 24 months among breast-fed infants of 588 HIV-infected and 137 HIV-uninfected women followed-up in a clinical trial in ... More
Absence of a classically activated macrophage cytokine signature in peripheral spondylarthritis, including psoriatic arthritis.
AuthorsVandooren B, Noordenbos T, Ambarus C, Krausz S, Cantaert T, Yeremenko N, Boumans M, Lutter R, Tak PP, Baeten D
JournalArthritis Rheum
PubMed ID19333931
'Peripheral spondylarthritis (SpA) is characterized by macrophages that express CD163, a marker of alternative activation (M2). The purpose of this study was to assess whether this differential infiltration with macrophage subsets was associated with a different local inflammatory milieu in SpA as compared with rheumatoid arthritis (RA).' ... More
Multiplex bead array assays for detection of soluble cytokines: comparisons of sensitivity and quantitative values among kits from multiple manufacturers.
AuthorsKhan SS, Smith MS, Reda D, Suffredini AF, McCoy JP
JournalCytometry B Clin Cytom
PubMed ID15351980
Multiplex bead array assays permit simultaneous cytometric quantitation of multiple cytokines in solution by capturing these to spectrally distinct beads. Because several manufacturers offer reagents to quantitate the same cytokines on a single instrument, a comparison should be made to determine whether these kits yield similar data and whether these ... More
Simultaneous measurement of 25 inflammatory markers and neurotrophins in neonatal dried blood spots by immunoassay with xMAP technology.
Inflammatory reactions and other events in early life may be part of the etiology of late-onset diseases, including cerebral palsy, autism, and type 1 diabetes. Most neonatal screening programs for congenital disorders are based on analysis of dried blood spot samples (DBSS), and stored residual DBSS constitute a valuable resource ... More
Microbial translocation correlates with the severity of both HIV-1 and HIV-2 infections.
AuthorsNowroozalizadeh S, Månsson F, da Silva Z, Repits J, Dabo B, Pereira C, Biague A, Albert J, Nielsen J, Aaby P, Fenyö EM, Norrgren H, Holmgren B, Jansson M,
JournalJ Infect Dis
PubMed ID20199244
Microbial translocation has been linked to systemic immune activation during human immunodeficiency virus (HIV) type 1 infection. Here, we show that an elevated level of microbial translocation, measured as plasma lipopolysaccharide (LPS) concentration, correlates with AIDS in both individuals infected with HIV type 1 and individuals infected with HIV type ... More
CD24(hi)CD27(+) B cells from patients with allergic asthma have impaired regulatory activity in response to lipopolysaccharide.
Authorsvan der Vlugt LE, Mlejnek E, Ozir-Fazalalikhan A, Janssen Bonas M, Dijksman TR, Labuda LA, Schot R, Guigas B, Möller GM, Hiemstra PS, Yazdanbakhsh M, Smits HH,
Journal
PubMed ID24261983
Regulatory B cells have been identified that strongly reduce allergic and auto-immune inflammation in experimental models by producing IL-10. Recently, several human regulatory B-cell subsets with an impaired function in auto-immunity have been described, but there is no information on regulatory B cells in allergic asthma. In this study, the ... More
Virologic and immunologic outcome of HAART in Human Immunodeficiency Virus (HIV)-1 infected patients with and without tuberculosis (TB) and latent TB infection (LTBI) in Addis Ababa, Ethiopia.
AuthorsKassa D, Gebremichael G, Alemayehu Y, Wolday D, Messele T, van Baarle D,
Journal
PubMed ID23842109
HIV/TB coinfection remains a major challenge even after the initiation of HAART. Little is known about Mycobacterium tuberculosis (Mtb) specific immune restoration in relation to immunologic and virologic outcomes after long-term HAART during co-infections with latent and active TB. A total of 232 adults, including 59 HIV patients with clinical ... More
Leishmania infantum-induced primary and challenge infections in rhesus monkeys (Macaca mulatta): a primate model for visceral leishmaniasis.
Visceral leishmaniasis (VL) was experimentally induced in rhesus macaques (Macaca mulatta) by intravenously inoculating 2 x 10(7)amastigotes/kg of body weight of Leishmania infantum. The macaques developed a systemic disease showing characteristic features of human VL such as fever, diarrhoea, body weight loss, anaemia, hypergammaglobulinaemia and transient lymphocytosis, as well as ... More
Responses to malarial antigens are altered in helminth-infected children.
AuthorsHartgers FC, Obeng BB, Kruize YC, Dijkhuis A, McCall M, Sauerwein RW, Luty AJ, Boakye DA, Yazdanbakhsh M,
JournalJ Infect Dis
PubMed ID19392626
Malaria and helminth infections often coincide in the same tropical regions. Studies of the consequences of helminth and malaria coinfection in humans have been few and are mainly epidemiological, with little information on cellular immune responses. In this study, we investigated the antimalarial immune responses of Ghanaian children living in ... More
Interleukin-25: a cytokine linking eosinophils and adaptive immunity in Churg-Strauss syndrome.
AuthorsTerrier B, Bièche I, Maisonobe T, Laurendeau I, Rosenzwajg M, Kahn JE, Diemert MC, Musset L, Vidaud M, Sène D, Costedoat-Chalumeau N, Le Thi-Huong D, Amoura Z, Klatzmann D, Cacoub P, Saadoun D,
JournalBlood
PubMed ID20729468
Churg-Strauss syndrome (CSS) is characterized by systemic vasculitis and blood and tissue eosinophilia. Blood eosinophilia correlates with disease activity, and activated T cells from CSS patients are predominantly T helper 2 (Th2). Interleukin (IL)-25 has been shown to link innate and adaptive immunity by enhancing Th2 cytokine production. We sought ... More
A comparison of ex vivo cytokine production in venous and capillary blood.
AuthorsEriksson M, Sartono E, Martins CL, Balé C, Garly ML, Whittle H, Aaby P, Pedersen BK, Yazdanbakhsh M, Erikstrup C, Benn CS,
JournalClin Exp Immunol
PubMed ID17924971
We performed a randomized study of the immunological effects of an early measles vaccine given at 4.5 months of age and aimed to obtain venous samples from the infants at baseline and 6 weeks later. If this was not feasible, a capillary sample was obtained. We analysed baseline samples from ... More
Intra-thymic/splenic engraftment of human T cells in HLA-DR1 transgenic NOD/scid mice.
AuthorsCamacho RE, Wnek R, Shah K, Zaller DM, O'Reilly RJ, Collins N, Fitzgerald-Bocarsly P, Koo GC,
JournalCell Immunol
PubMed ID15922719
A HLA-DR1 transgenic mouse (NOD/scid-DR1) was derived by breeding the existing B10.M/J-[Tg]DR1 mouse with the NOD/scid mouse. The intention was to enhance engraftment of human T cells by providing human class II elements in the tissues. Thymus and spleen fragments from adult NOD/scid-DR1 mice were transplanted under the syngeneic kidney ... More
CD25(+)CD4(+) regulatory T cells from the peripheral blood of asymptomatic HIV-infected individuals regulate CD4(+) and CD8(+) HIV-specific T cell immune responses in vitro and are associated with favorable clinical markers of disease status.
AuthorsKinter AL, Hennessey M, Bell A, Kern S, Lin Y, Daucher M, Planta M, McGlaughlin M, Jackson R, Ziegler SF, Fauci AS,
JournalJ Exp Med
PubMed ID15280419
Human immunodeficiency virus (HIV) disease is associated with loss of CD4(+) T cells, chronic immune activation, and progressive immune dysfunction. HIV-specific responses, particularly those of CD4(+) T cells, become impaired early after infection, before the loss of responses directed against other antigens; the basis for this diminution has not been ... More
Increase in allergen-specific IgE and ex vivo Th2 responses after a single bronchial challenge with house dust mite in allergic asthmatics.
Authorsvan de Pol MA, Lutter R, van Ree R, van der Zee JS,
JournalAllergy
PubMed ID21958117
Airway responsiveness to allergen in patients with allergic asthma is studied by bronchial allergen challenge. Although the typical features of the early and late responses on lung function and bronchial inflammation after allergen challenge are well known, little has been reported as yet on any changes in systemic ... More
Kinetics of plasma cytokines and chemokines during primary HIV-1 infection and after analytical treatment interruption.
AuthorsBarqasho B, Nowak P, Tjernlund A, Kinloch S, Goh LE, Lampe F, Fisher M, Andersson J, Sönnerborg A,
JournalHIV Med
PubMed ID19200172
There are strong theoretical arguments for initiating antiretroviral therapy (ART) during primary HIV-1 infection (PHI) to preserve HIV-1-specific T-cell responses and to decrease immune activation. We assessed the degree of immune activation during PHI and after analytical treatment interruption (ATI) in plasma samples from 22 subjects by measuring 13 cytokines/chemokines ... More
Bacterial infection of human hematopoietic stem cells induces monocytic differentiation.
AuthorsKolb-Mäurer A, Weissinger F, Kurzai O, Mäurer M, Wilhelm M, Goebel W,
JournalFEMS Immunol Med Microbiol
PubMed ID14987733
Differentiation of hematopoietic stem cells (HSCs) can be influenced by different stimuli, including cytotoxic agents, certain cytokines, and contact with pathogens. Infection may result in dysregulation of these important progenitor cells and therefore interfere with the availability of blood cells. In this study we analyzed the effect of bacterial infection ... More