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Journals Clinical and Experimental Immu...

Clinical and Experimental Immunology

https://read.qxmd.com/read/38334497/letter-to-the-editor-seronegative-nmosd-patients-display-distinctive-peripheral-blood-t-cell-subset-frequencies
#41
JOURNAL ARTICLE
Elif Sanli, Zerrin Karaaslan, Vuslat Yilmaz, Tuncay Gunduz, Murat Kurtuncu, Recai Turkoglu, Cem İsmail Kucukali, Erdem Tuzun
No abstract text is available yet for this article.
February 9, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38334487/exposure-to-gestational-diabetes-mellitus-increases-subclinical-inflammation-mediated-in-part-by-obesity
#42
JOURNAL ARTICLE
Andrea Musumeci, Colm John McElwain, Samprikta Manna, Fergus McCarthy, Cathal McCarthy
Gestational diabetes mellitus (GDM) is a frequent and serious complication of pregnancy, often associated with obesity. Metabolic dysfunction and metainflammation are evident in both obesity and GDM. In this cross-sectional study we aimed at defining the direct contribution of the immune system in GDM, across the main metabolic tissues, specifically focusing on elucidating the roles of obesity and GDM to the clinical outcome. Using immunoassays and multicolour flow cytometry, cytokine profiles and immune cell frequencies were measured in maternal circulation and central metabolic tissues (placenta and visceral adipose tissue (VAT)) in GDM-diagnosed (n=28) and normal glucose tolerant (n=32) women undergoing caesarean section...
February 9, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38330230/allogeneic-nk-cells-induce-the-in-vitro-activation-of-monocyte-derived-and-conventional-type-2-dendritic-cells-and-trigger-an-inflammatory-response-under-cancer-associated-conditions
#43
JOURNAL ARTICLE
E C Toffoli, A A van Vliet, C Forbes, A J Arns, H W M Verheul, J Tuynman, H J van der Vliet, J Spanholtz, T D de Gruijl
Natural killer (NK) cells are innate lymphocytes capable to recognize and kill virus-infected and cancer cells. In the past years, the use of allogeneic NK cells as anti-cancer therapy gained interest due to their ability to induce graft-versus-cancer responses without causing graft-versus-host disease and multiple protocols have been developed to produce high numbers of activated NK cells. While the ability of these cells to mediate tumor kill has been extensively studied, less is known about their capacity to influence the activity of other immune cells that may contribute to a concerted anti-tumor response in the tumor microenvironment...
February 8, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/37904542/valganciclovir-modulates-the-tumor-necrosis-factor-axis-molecules-expression-and-cd4-t-cell-subsets-in-disseminated-kaposi-sarcoma-patients
#44
RANDOMIZED CONTROLLED TRIAL
Lucero A Ramon-Luing, Julio Flores-Gonzalez, Luis Angel García-Rojas, Beda Islas-Muñoz, Patricia Volkow-Fernández, Leslie Chavez-Galan
Valganciclovir (VGC) was used in a randomized clinical trial in patients with disseminated Kaposi Sarcoma/human immunodeficiency virus (DKS/HIV) as add-on therapy to evaluate the proinflammatory axis tumor necrosis factor (TNF) and its receptors (TNFRs) in T cells. Two treatment schedules were used: an experimental regime (ER) and a conventional treatment (CT). Mononuclear cells from patients with DKS/HIV were obtained at baseline (W0), 4 (W4), and 12 weeks (W12). Ten DKS/HIV patients received CT (antiretroviral therapy [cART]) and 10 ER (valganciclovir [VGC] initially, plus cART at the fourth week)...
February 7, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38310540/increased-expression-of-complement-c3c-ic3b-and-cells-containing-cd11b-or-cd14-in-experimentally-induced-psoriatic-lesion
#45
JOURNAL ARTICLE
Dina Rahkola, Rauno J Harvima, Ilkka T Harvima
Psoriasis is a chronic inflammatory skin disease with a characteristic isomorphic reaction, i.e., the Köbner reaction, induced by slight epidermal trauma. In this study, the tape-stripping technique was used to induce the development of Köbner reaction in 18 subjects with psoriasis. Eight subjects developed the positive reaction. To study the early cellular changes, skin biopsies were taken at the baseline and subsequent time points of 2 hours, 1 day, 3 days and 7 days for the immunostaining of complement C3c, iC3b, and cells expressing complement receptor 3 (CD11b/CD18; a receptor of iC3b) or CD14...
February 4, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38306460/clinical-and-experimental-treatment-of-primary-humoral-immunodeficiencies
#46
JOURNAL ARTICLE
Anna Szaflarska, Marzena Lenart, Magdalena Rutkowska-Zapała, Maciej Siedlar
Selective IgA deficiency (sIgAD) and Common Variable Immunodeficiency (CVID) and Transient Hypogammaglobulinemia of Infancy (THI) are the most frequent forms of primary antibody deficiencies. Difficulties in initial diagnosis, especially in the early childhood, the familiar occurrence of these diseases, as well as the possibility of progression to each other suggest common cellular and molecular patomechanism and a similar genetic background. In this review, we discuss both similarities and differences of these three humoral immunodeficiencies, focusing on current and novel therapeutic approaches...
February 2, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38290436/the-alteration-of-mucosal-bile-acid-profile-is-associated-with-nerve-growth-factor-expression-in-mast-cells-and-bowel-symptoms-in-diarrhea-predominant-irritable-bowel-syndrome
#47
JOURNAL ARTICLE
Bi-Yu Wu, Ping Xu, Li Cheng, Qian-Qian Wang, Hong-Yi Qiu, Xiu-Juan Yan, Sheng-Liang Chen
Mucosal bile acid (BA) profile is still unestablished in diarrhea-predominant irritable bowel syndrome (IBS-D). The aim of this study was to explore colonic mucosal BAs and their associations with mucosal mast cell (MMC)-derived nerve growth factor (NGF) and bowel symptoms in IBS-D. Colonic mucosal biopsies from 36 IBS-D patients and 35 healthy controls (HCs) were obtained for targeted BA profiling. MMC count and the expression of NGF and tight junction proteins (TJPs) were examined. We found that colonic mucosal BA profile was altered in the IBS-D cohort...
January 30, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38280212/revolutionising-immune-research-with-organoid-based-co-culture-and-chip-systems
#48
JOURNAL ARTICLE
D Papp, T Korcsmaros, I Hautefort
The intertwined interactions various immune cells have with epithelial cells in our body require sophisticated experimental approaches to be studied. Due to the limitations of immortalised cell lines and animal models, there is an increasing demand for human in vitro model systems to investigate the microenvironment of immune cells in normal and in pathological conditions. Organoids, which are self-renewing, 3D cellular structures that are derived from stem cells, have started to provide gap-filling tissue modelling solutions...
January 27, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38247555/catalase-inhibition-can-modulate-the-ability-of-peripheral-blood-t-cells-to-undergo-apoptosis-in-crohn-s-disease
#49
JOURNAL ARTICLE
Inés Moret-Tatay, Pilar Nos, Marisa Iborra, Francisco Rausell, Belén Beltrán
Crohn's disease (CD) is a chronic relapsing inflammatory disorder in which defective apoptosis of mucosal T cells is postulated to produce sustained inflammation and reactive oxygen species accumulation. Whether CD T cells are intrinsically resistant to apoptosis or whether this resistance is acquired at the intestinal site needs to be clarified, as the cellular mechanisms modulate the impaired apoptosis in these cells. Here, we analysed peripheral blood T cells from patients naïve to specific CD treatment at the onset and from healthy controls...
January 22, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38245816/organoids-as-a-tool-to-study-the-impact-of-heterogeneity-in-gastrointestinal-epithelium-on-host-pathogen-interactions
#50
JOURNAL ARTICLE
Mindaugas Paužuolis, Pilar Samperio Ventayol, Mastura Neyazi, Sina Bartfeld
The epithelium of the gastrointestinal tract has been extensively characterized using advanced histological and RNA sequencing techniques, which has revealed great cellular diversity. Pathogens, such as viruses and bacteria, are highly adapted to their host and often exhibit not only species-specificity, but also a preference or tropism for specific gastrointestinal segments or even cell types - some of these preferences are so specific, that these pathogens still cannot be cultured in the lab. Organoid technology now provides a tool to generate human cell types, which enables the study of host cell tropism...
January 20, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38227774/pnad-expressing-vessels-characterize-the-dermis-of-cd3-t-cell-mediated-cutaneous-diseases
#51
JOURNAL ARTICLE
Fatimah Mohammad Budair, Takashi Nomura, Hirata Masahiro, Kenji Kabashima
T-cell recruitment to skin tissues is essential for inflammation in different cutaneous diseases; however, the mechanisms by which these T cells access the skin remain unclear. High endothelial venules expressing peripheral node address in (PNAd), an L-selectin ligand, are located in secondary lymphoid organs and are responsible for increasing T-cell influx into the lymphoid tissues. They are also found in non-lymphoid tissues during inflammation. However, their presence in different common inflammatory cutaneous diseases and their correlation with T-cell infiltration remains unclear...
January 16, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38190323/role-of-inter-alpha-trypsin-inhibitor-heavy-chain-4-and-its-citrullinated-form-in-experimental-arthritis-murine-models
#52
JOURNAL ARTICLE
Tamaki Iwai, Ayako Ohyama, Atsumu Osada, Taihei Nishiyama, Masaru Shimizu, Haruka Miki, Hiromitsu Asashima, Yuya Kondo, Hiroto Tsuboi, Seiya Mizuno, Satoru Takahashi, Akihito Ishigami, Isao Matsumoto
Inter α trypsin inhibitor heavy chain 4 (ITIH4) is a major protein in serum and reported to be up-regulated at the onset of rheumatoid arthritis (RA). Its citrullinated form, cit-ITIH4, is specifically found in serum and synovial fluid of patients with RA. However, the detailed function of ITIH4 in arthritis remains unknown. The aim of this study was to clarify the role of ITIH4 and its citrullinated form using experimental arthritis models. ITIH4 and cit-ITIH4 expression was examined in steady-state mice and two different arthritis models, and their pathological effects were examined in Itih4-deficient mice...
January 8, 2024: Clinical and Experimental Immunology
https://read.qxmd.com/read/38156760/enhanced-efficacy-of-the-novel-recombinant-clone-vassf-in-a-mouse-model-of-antineutrophil-cytoplasmic-antibody-associated-vasculitis
#53
JOURNAL ARTICLE
Minako Koura, Yosuke Kameoka, Fukuko Kishi, Yoshio Yamakawa, Fuyu Ito, Ryuichi Sugamata, Yuko Doi, Kazuko Uno, Toshinori Nakayama, Takashi Miki, Hiroshi Nakajima, Kazuo Suzuki, Osamu Suzuki
Based on the efficacy of intravenous immunoglobulin (IVIg) for the treatment of antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV), we developed a recombinant single-chain-fragment variable clone, VasSF, therapeutic against AAV in a mouse model (SCG/Kj mice). VasSF is thought to bind to vasculitis-associated apolipoprotein A-II (APOA2) as a target molecule. VasSF is a promising new drug against AAV, but difficulties in the yield and purification of VasSF remain unresolved. We produced monomers of new VasSF molecules by modifying the plasmid structure for VasSF expression and simplifying the purification method using high-performance liquid chromatography...
December 29, 2023: Clinical and Experimental Immunology
https://read.qxmd.com/read/38150393/a-novel-high-performance-low-volume-rapid-luciferase-immunoprecipitation-system-lips-assay-to-detect-autoantibodies-to-zinc-transporter-8
#54
JOURNAL ARTICLE
C L Williams, I Marzinotto, C Brigatti, K M Gillespie, V Lampasona, A J K Williams, A E Long
AIM/BACKGROUND: Zinc transporter 8 autoantibodies (ZnT8A) are thought to appear close to type 1 diabetes (T1D) onset and can identify high-risk multiple (≥2) autoantibody positive individuals. Radiobinding assays (RBA) are widely used for ZnT8A measurement but have limited sustainability. We sought to develop a novel, high-performance, non-radioactive luciferase immunoprecipitation system (LIPS) assay to replace RBA. METHODS: A custom dual C-terminal ZnT8 (aa268-369; R325/W325) heterodimeric antigen, tagged with a NanoluciferaseTM(Nluc-ZnT8) reporter, and LIPS assay was developed...
December 27, 2023: Clinical and Experimental Immunology
https://read.qxmd.com/read/38150328/neutrophil-depletion-attenuates-antibody-mediated-rejection-in-a-renal-transplantation-mouse-model
#55
JOURNAL ARTICLE
Xingku Li, Yakun Zhao, Wenying Sun, Cong Zhang, Yadi Yu, Bo Du, AiShun Jin, Ye Liu
Antibody-mediated rejection (AMR) can cause graft failure following renal transplantation. Neutrophils play a key role in AMR progression, but the exact mechanism remains unclear. We investigated the effect of neutrophils on AMR in a mouse kidney transplantation model. The mice were divided into five groups: syngeneic transplantation (Syn), allograft transplantation (Allo), and three differently treated AMR groups. The AMR mouse model was established using skin grafts to pre-sensitize recipient mice. Based on the AMR model, Ly6G-specific monoclonal antibodies were administered to deplete neutrophils (NEUT-/- + AMR) and TACI-Fc was used to block B-cell-activating factor (BAFF)/a proliferation-inducing ligand (APRIL) signaling (TACI-Fc + AMR)...
December 27, 2023: Clinical and Experimental Immunology
https://read.qxmd.com/read/38146642/fgl1-in-plasma-extracellular-vesicles-is-correlated-with-clinical-stage-of-lung-adenocarcinoma-and-anti-pd-l1-response
#56
JOURNAL ARTICLE
Yuchen Zhang, Kunpeng Zhang, Haoyu Wen, Di Ge, Jie Gu, Chunyi Zhang
Fibrinogen-like protein-1 (FGL1) is confirmed a major ligand of lymphocyte activation gene-3 (LAG3) which could inhibit antigen-mediated T cell response and evade immune supervision. Although hepatocytes secrete large amounts of FGL1, its high expression also be detected in solid tumors such as lung cancer, leading to a poor efficacy of immune checkpoint inhibitors therapy. Here we reported that FGL1 was overexpressed in lung adenocarcinoma (LUAD) but not in lung squamous cell carcinoma (LUSC). However, FGL1 in tissue and plasma can only distinguish LUAD patients from healthy donors and cannot correlate with clinical TNM stage...
December 26, 2023: Clinical and Experimental Immunology
https://read.qxmd.com/read/38141654/correction-to-human-b-cell-subset-identification-and-changes-in-inflammatory-diseases
#57
(no author information available yet)
No abstract text is available yet for this article.
December 23, 2023: Clinical and Experimental Immunology
https://read.qxmd.com/read/38134245/shift-in-the-b-cell-subsets-between-children-with-type-1-diabetes-and-or-celiac-disease
#58
JOURNAL ARTICLE
Andrea Tompa, Maria Faresjö
Our purpose was to characterize the pattern of B-cell subsets in children with a combined diagnosis of type 1 diabetes (T1D) and celiac disease (C) since children with single or double diagnosis of these autoimmune diseases may differ in peripheral B-cell subset phenotype patterns. B-cells were analyzed with flow cytometry for the expression of differentiation/maturation markers to identify transitional, naive and memory B-cells. Transitional (CD24hiCD38hiCD19+) and memory Bregs (CD24hiCD27+CD19+, CD1d+CD27+CD19+, CD5+CD1d+CD19+) were classified as B-cells with regulatory capacity...
December 22, 2023: Clinical and Experimental Immunology
https://read.qxmd.com/read/38133636/gene-expression-analysis-revealed-downregulation-of-complement-receptor-1-in-clonal-b-cells-in-cold-agglutinin-disease
#59
JOURNAL ARTICLE
Agnieszka Małecka, Ingunn Østlie, Gunhild Trøen, Jędrzej Małecki, Jan Delabie, Anne Tierens, Ludvig A Munthe, Sigbjørn Berentsen, Geir E Tjønnfjord
Cold Agglutinin Disease (CAD) is a rare B-cell lymphoproliferative disorder of the bone marrow, manifested by autoimmune hemolytic anemia caused by binding of monoclonal IgM autoantibodies to the I antigen. Underlying genetic changes have previously been reported, but their impact on gene expression profile has been unknown. Here, we define differentially expressed genes in CAD B cells. To unravel downstream alteration in cellular pathways, gene expression by RNA sequencing was undertaken. Clonal B-cell samples from twelve CAD patients and IgM-expressing memory B cells from four healthy individuals were analyzed...
December 22, 2023: Clinical and Experimental Immunology
https://read.qxmd.com/read/38088456/galectin-1-correlates-with-inflammatory-markers-and-t-regulatory-cells-in-children-with-type-1-diabetes-and-or-celiac-disease
#60
JOURNAL ARTICLE
Emanuel Fryk, Åsa Wilsson, Andrea Tompa, Per-Anders Jansson, Maria Faresjö
Type 1 diabetes (T1D) and celiac disease (CeD) are common autoimmune diseases in children where the pathophysiology is not fully characterized. The autoimmune process involves a complex scenario of both inflammatory and regulatory features. Galectin-1 (GAL-1) has a wide range of biological activities e.g., interaction with immune cells. We examined the relationship between GAL-1 and soluble immune markers and T cell subsets in a cohort of children with T1D and/or CeD relative to healthy children. Galectin-1, together with several soluble immune markers (e g interleukins (IL)), tumor necrosis factor (TNF), acute phase proteins and matrix metalloproteinases (MMP) were measured in sera from children with T1D and/or CeD by fluorochrome (Luminex) technique using children without these diseases as a reference...
December 13, 2023: Clinical and Experimental Immunology
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