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Archivum Immunologiae et Therapiae Experimentalis

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https://www.readbyqxmd.com/read/28386696/cd1-a-singed-cat-of-the-three-antigen-presentation-systems
#1
REVIEW
Radoslaw Kaczmarek, Mariola Pasciak, Katarzyna Szymczak-Kulus, Marcin Czerwinski
Contrary to general view that the MHC Class I and II are the kapellmeisters of recognition and response to antigens, there is another big player in that part of immunity, represented by CD1 glycoproteins. In contrast to MHC Class I or II, which present peptides, CD1 molecules present lipids. Humans express five CD1 proteins (CD1a-e), four of which (CD1a-d) are trafficked to the cell surface, where they may display lipid antigens to T-cell receptors. This interaction may lead to both non-cognate and cognate T cell help to B cells, the latter eliciting anti-lipid antibody response...
April 6, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28386695/human-gyrovirus-apoptin-interferes-with-the-cell-cycle-and-induces-g2-m-arrest-prior-to-apoptosis
#2
Wiem Chaabane, Saeid Ghavami, Andrzej Małecki, Marek J Łos
The human gyrovirus-Apoptin (HGyv-Apoptin) is a protein that gained attention because it is selectively cytotoxic toward cancer cells. In this study, we have investigated the effect of HGyv-Apoptin on cell cycle progression of cancer cells. We also compared HGyv-Apoptin's action to its homologue chicken anemia virus Apoptin (CAV-Apoptin). We show that HGyv-Apoptin induces G2/M arrest in cancer cells. This is at least in part due to the fact that HGyv-Apoptin induces an abnormal spindle formation in mitotic cells that do not progress properly throughout the cell cycle...
April 6, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28361180/evaluation-of-endothelial-function-by-flow-mediated-dilation-a-comprehensive-review-in-rheumatic-disease
#3
REVIEW
Luca Moroni, Carlo Selmi, Claudio Angelini, Pier Luigi Meroni
Flow-mediated dilation (FMD) represents a non-invasive marker of endothelial function to evaluate vascular homeostasis, which reflects the effects of several mechanisms, including vessel tone regulation, cell proliferation, and inflammatory responses. Beyond classical atherosclerotic risk factors such as arterial hypertension, diabetes mellitus, smoking, obesity, and dyslipidemia, chronic inflammation contributes to the endothelial dysfunction causing plaque formation and there is growing evidence of a significantly higher cardiovascular morbidity associated with autoimmune diseases...
March 30, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28343267/tumor-associated-macrophages-and-regulatory-t-cells-infiltration-and-the-clinical-outcome-in-colorectal-cancer
#4
Dariusz Waniczek, Zbigniew Lorenc, Mirosław Śnietura, Mariusz Wesecki, Agnieszka Kopec, Małgorzata Muc-Wierzgoń
The aim of the study is the assessment of the intensity of the infiltration of tumor-associated macrophages (TAMs) CD68(+)/iNOS(-) and Tregs CD8(+)/FoxP3(+) in colorectal cancer (CRC) patients as prognostic factors with respect to disease-free survival (DFS) and overall survival (OS). In this retrospective study, tissue samples were obtained from 89 patients undergoing resection for CRC (stage IIA, pT3N0M0 and stages IIIB and IIIC, pT3N1-2M0). Recurrence was observed in 45 patients at the time of the follow-up (10 local recurrences, 35 distant metastases)...
March 25, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28342084/the-transplantation-of-mesenchymal-stem-cells-derived-from-unconventional-sources-an-innovative-approach-to-multiple-sclerosis-therapy
#5
REVIEW
Sabrina Giacoppo, Placido Bramanti, Emanuela Mazzon
In recent years, in the effort to find a potential innovative therapy for multiple sclerosis (MS), researchers focused on transplantation of mesenchymal stem cells (MSCs) due to their well-recognized ability to suppress inflammatory/autoimmune responses and exert neuroregenerative properties. MSCs are a heterogeneous subset of pluripotent non-hematopoietic stromal cells that can be isolated from many different adult tissues, characterized by the capability to differentiate into various cell lineages, and to translocate into damaged areas, providing immunomodulatory effects...
March 25, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28331940/acute-thymic-involution-and-mechanisms-for-recovery
#6
REVIEW
Abdur Rahman Ansari, Huazhen Liu
Acute thymic involution (ATI) is usually regarded as a virulence trait. It is caused by several infectious agents (bacteria, viruses, parasites, fungi) and other factors, including stress, pregnancy, malnutrition and chemotherapy. However, the complex mechanisms that operate during ATI differ substantially from each other depending on the causative agent. For instance, a transient reduction in the size and weight of the thymus and depletion of populations of T cell subsets are hallmarks of ATI in many cases, whereas severe disruption of the anatomical structure of the organ is also associated with some factors, including fungal, parasitic and viral infections...
March 22, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28314870/perillyl-alcohol-a-pleiotropic-natural-compound-suitable-for-brain-tumor-therapy-targets-free-radicals
#7
REVIEW
Aline C Gomes, Angélica L Mello, Manuel G Ribeiro, Diogo G Garcia, Clovis O Da Fonseca, Marcela D'Alincourt Salazar, Axel H Schönthal, Thereza Quirico-Santos
Monoterpenes such as limonene and perillyl alcohol (POH) are promising natural compounds with pro-oxidant properties partly due to endoplasmic reticulum (ER) stress-induced cytotoxicity, and antioxidant activity owing to their activity as free radical scavengers, inhibition of coenzyme Q synthesis, activation of antioxidant-responsive elements (inducing detoxification enzymes) and induction of apoptosis. Activation of ER-stress responses generates reactive oxygen species (ROS), which are highly reactive free radicals mainly produced during mitochondrial electron transfer for adenosine triphosphate (ATP) synthesis...
March 17, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28299403/effects-of-ifn-%C3%AE-1a-and-ifn-%C3%AE-1b-treatment-on-the-expression-of-cytokines-inducible-nos-nos-type-ii-and-myelin-proteins-in-animal-model-of-multiple-sclerosis
#8
Natalia Lubina-Dąbrowska, Adam Stepień, Grzegorz Sulkowski, Beata Dąbrowska-Bouta, Józef Langfort, Małgorzata Chalimoniuk
The aim of this study was to investigate the effects of interferon (IFN)-β1a and IFN-β1b treatment on inflammatory factors and myelin protein levels in the brain cortex of the Lewis rat experimental autoimmune encephalomyelitis (EAE), animal model of multiple sclerosis. To induce EAE, rat were immunized with inoculums containing spinal cord guinea pig homogenized in phosphate-buffered saline and emulsified in Freund's complete adjuvant containing 110 µg of the appropriate antigen in 100 µl of an emulsion and additionally 4-mg/ml Mycobacterium tuberculosis (H37Ra)...
March 15, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28283683/pre-pregnancy-levels-of-peripheral-natural-killer-cells-as-markers-for-immunomodulatory-treatment-in-patients-with-recurrent-miscarriage
#9
Ruben J Kuon, Franziska Müller, Kilian Vomstein, Maja Weber, Hannes Hudalla, Sabine Rösner, Thomas Strowitzki, Udo Markert, Volker Daniel, Bettina Toth
Immunological risk factors in patients with recurrent miscarriage (RM) are discussed controversially. Abnormalities of natural killer cells (NK) have been described in RM patients. Lipid infusions are known to modulate lymphocyte subsets. The aim of this study was to identify immune parameters that predict success of treatment with lipid infusions in RM patients with elevated NK. In sum, n = 341 couples with RM were screened for established risk factors and peripheral lymphocyte subpopulations as well as uterine NK cells...
March 11, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28280847/neuronal-differentiation-capability-of-nasal-polyps-of-chronic-rhinosinusitis
#10
Michael Koennecke, Robert Böscke, Ann-Christin Pfannerstill, Stefan Reers, Martina Elsner, Benjamin Fell, Anja Richter, Karl-Ludwig Bruchhage, Sandra Schumann, Ralph Pries, Ludger Klimek, Barbara Wollenberg
Chronic rhinosinusitis with nasal polyps is considered a subgroup of chronic rhinosinusitis and a significant health problem, but the pathogenesis remains unclear to date. Therefore, we investigated the stemness to determine the role of stem cells in nasal polyps, with additional analysis of the neuronal differentiation potential of nasal polyp cells. We determined gene and protein expression profiles of stem cells in nasal polyp tissues, using whole genome microarray, quantitative real-time PCR (qPCR), immunohistochemistry, and flow cytometry...
March 9, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28210757/sildenafil-a-phosphodiesterase-type-5-inhibitor-downregulates-osteopontin-in-human-peripheral-blood-mononuclear-cells
#11
Beata Kaleta, Agnieszka Boguska
The aim of this study was to investigate the ability of sildenafil to regulate osteopontin (OPN) gene and protein in peripheral blood mononuclear cells (PBMCs) from healthy blood donors. OPN is expressed by a wide variety of cell types, including immune cells. OPN functions are linked to various physiological and pathological conditions. Sildenafil is a selective inhibitor of type 5 phosphodiesterase. Sildenafil has recently been found to have immunomodulatory effects in animal models and in studies performed in humans...
February 16, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28204842/the-effect-of-nonsurgical-periodontal-therapy-on-hnp1-3-level-in-gingival-crevicular-fluid-of-chronic-periodontitis-patients
#12
Ewa Dolińska, Anna Skurska, Małgorzata Pietruska, Violetta Dymicka-Piekarska, Robert Milewski, Jan Pietruski, Anton Sculean
The rich bacterial flora of oral cavity is controlled by innate immune response, including antibacterial peptides and among them human neutrophil peptides 1-3 (HNP1-3). The knowledge of the involvement of HNPs in innate and acquired immunity of the periodontium is fragmentary. The aim of the study was to assess alterations in HNP1-3 levels in the gingival crevicular fluid (GCF) of chronic periodontitis patients before and after nonsurgical periodontal therapy. Nineteen patients with chronic periodontitis were qualified to the study...
February 15, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28161816/identification-of-clinicopathological-spectrum-platelet-glycoprotein-iib-iiia-complex-and-platelet-antibodies-in-egyptian-children-with-glanzmann-s-thrombasthenia
#13
Asmaa M Zahran, Khaled Saad, Khalid I Elsayh, Mohamd A Alblihed, Mostafa Embaby
Glanzmann's thrombasthenia (GT) is a rare genetic bleeding disorder. The aim of our study was to evaluate the clinicopathological spectrum of this syndrome and to study the platelet glycoprotein IIb/IIIa complex and platelet antibodies by flow cytometry in a cohort of children with GT in a tertiary care center in Upper Egypt. Forty children with GT were assessed for the expression of GPIIb-IIIa on the platelet surface and platelet antibodies by using flow cytometry, to determine the most common GT subtypes among Egyptian children...
February 4, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/28124078/primary-biliary-cholangitis-associated-with-skin-disorders-a-case-report-and-review-of-the-literature
#14
REVIEW
Benedetta Terziroli Beretta-Piccoli, Caroline Guillod, Igor Marsteller, Roland Blum, Luca Mazzucchelli, Chiara Mondino, Pietro Invernizzi, M Eric Gershwin, Carlo Mainetti
Primary biliary cholangitis (PBC) is a rare autoimmune cholestatic liver disease. It is often associated with extrahepatic autoimmune diseases. Skin disorders are sporadically reported in association with PBC. We report an unusual case of PBC associated with acquired reactive perforating dermatosis (ARPD) and present a review of the literature on skin disorders associated with PBC. Our patient presented to the dermatology department with generalized pruritus associated with nodular perforating skin lesions on the trunk, and cholestatic liver disease of unknown origin...
January 25, 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27604757/expression-profiles-of-toll-like-receptors-in-the-differentiation-of-an-infection-with-borrelia-burgdorferi-sensu-lato-spirochetes
#15
Slawomir Dudek, Ewa Ziółko, Magdalena Kimsa-Dudek, Krzysztof Solarz, Urszula Mazurek, Aleksander Wierzgoń, Teresa Kokot, Małgorzata Muc-Wierzgoń
The similarity of Lyme borreliosis to other diseases and its complex pathogenesis present diagnostic and therapeutic difficulties. The changes that occur at the cellular and molecular levels after a Borrelia sp. infection still remain poorly understood. Therefore, the present study focused on the expression of TLR and TLR-signaling genes in human dermal fibroblasts in the differentiation of an infection with Borrelia burgdorferi sensu lato spirochetes. Normal human dermal fibroblasts were cultured with the spirochetes of Borrelia burgdorferi sensu stricto, Borrelia afzelii and Borrelia garinii...
April 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27592176/immunosensors-for-biomarker-detection-in-autoimmune-diseases
#16
REVIEW
Xuezhu Zhang, Amarayca Zambrano, Zuan-Tao Lin, Yikun Xing, Justin Rippy, Tianfu Wu
Autoimmune diseases occur when the immune system generates proinflammatory molecules and autoantibodies that mistakenly attack their own body. Traditional diagnosis of autoimmune disease is primarily based on physician assessment combined with core laboratory tests. However, these tests are not sensitive enough to detect early molecular events, and quite often, it is too late to control these autoimmune diseases and reverse tissue damage when conventional tests show positivity for disease. It is fortunate that during the past decade, research in nanotechnology has provided enormous opportunities for the development of ultrasensitive biosensors in detecting early biomarkers with high sensitivity...
April 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27585815/hormonal-modulation-of-dendritic-cells-differentiation-maturation-and-function-implications-for-the-initiation-and-progress-of-systemic-autoimmunity
#17
REVIEW
Juan Pablo Mackern-Oberti, Evelyn L Jara, Claudia A Riedel, Alexis M Kalergis
Hormonal homeostasis is crucial for keeping a competent and healthy immune function. Several hormones can modulate the function of various immune cells such as dendritic cells (DCs) by influencing the initiation of the immune response and the maintenance of peripheral tolerance to self-antigens. Hormones, such as estrogens, prolactin, progesterone and glucocorticoids may profoundly affect DCs differentiation, maturation and function leading to either a pro-inflammatory or an anti-inflammatory (or tolerogenic) phenotype...
April 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27582030/autoreactive-ige-in-chronic-spontaneous-idiopathic-urticaria-and-basophil-mastocyte-priming-phenomenon-as-a-feature-of-autoimmune-nature-of-the-syndrome
#18
REVIEW
Bernard Panaszek, Robert Pawłowicz, Jędrzej Grzegrzółka, Andrzej Obojski
Recent years of research have shed a new light on the role of IgE in immune reactions. It seems to be more than just a contribution to immediate type of allergic response. It appears that monomeric IgE may enhance mast cell activity without cross-linking of FcεRI by IgE specific allergen or autoreactive IgG anti-IgE antibodies. Monomeric IgE molecules are heterogeneous concerning their ability to induce survival and activation of mast cells only by binding the IgE to FcεRI, but not affecting degranulation of cells...
April 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27484309/indications-to-epigenetic-dysfunction-in-the-pathogenesis-of-common-variable-immunodeficiency
#19
REVIEW
William Rae
Primary immunodeficiencies (PIDs) are a group of rare genetic diseases resulting in the impairment of one or more functions of the human immune system. Common variable immunodeficiency (CVID) is one of the most prevalent PIDs, yet despite extensive genetic analysis, most patients do not have a monogenetic diagnosis. This has led to the theory that CVID must be a polygenetic condition. An alternative theory to a monogenetic or polygenetic underlying cause of CVID is that it is epigenetic phenomena that are causal in the majority of CVID patients...
April 2017: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27480649/in-vivo-cardioprotective-effects-and-pharmacokinetic-profile-of-n-propyl-caffeamide-against-ischemia-reperfusion-injury
#20
Yuan-Yuan Cheng, Dan Luo, Zhengyuan Xia, Hung-Fat Tse, Xuechen Li, Jianhui Rong
Caffeic acid derivatives constitute a class of potent anti-inflammatory and cardioprotective drug candidates. We recently synthesized a new caffeic acid derivative N-propyl caffeamide (PCA). Our pilot experiments demonstrated that PCA enhanced the survival of rat cardiomyocyte H9c2 cells against oxygen glucose deprivation and reoxygenation challenge in a concentration-dependent manner. Interestingly, PCA exhibited better cardioprotective potential than caffeic acid phenethyl ester and propyl caffeate. Thus, we hypothesized that PCA could protect heart against ischemia reperfusion (I/R) injury in mice...
April 2017: Archivum Immunologiae et Therapiae Experimentalis
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