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Archivum Immunologiae et Therapiae Experimentalis

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https://www.readbyqxmd.com/read/27699445/crispr-cas9-immune-system-as-a-tool-for-genome-engineering
#1
Magdalena Hryhorowicz, Daniel Lipiński, Joanna Zeyland, Ryszard Słomski
CRISPR/Cas (clustered regularly interspaced short palindromic repeats/CRISPR-associated) adaptive immune systems constitute a bacterial defence against invading nucleic acids derived from bacteriophages or plasmids. This prokaryotic system was adapted in molecular biology and became one of the most powerful and versatile platforms for genome engineering. CRISPR/Cas9 is a simple and rapid tool which enables the efficient modification of endogenous genes in various species and cell types. Moreover, a modified version of the CRISPR/Cas9 system with transcriptional repressors or activators allows robust transcription repression or activation of target genes...
October 3, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27677293/a-quinone-containing-compound-enhances-camptothecin-induced-apoptosis-of-lung-cancer-through-modulating-endogenous-ros-and-erk-signaling
#2
Han-Lin Chou, Yao Fong, Chi-Ku Wei, Eing-Mei Tsai, Jeff Yi-Fu Chen, Wen-Tsan Chang, Chang-Yi Wu, Hurng-Wern Huang, Chien-Chih Chiu
The natural compound camptothecin (CPT) derivatives have widely been used for anti-cancer treatments, including lung cancer. However, many chemoresistant cancer cells often develop a relatively higher threshold for inducing apoptosis, causing a limited efficacy of anti-cancer drugs. Likewise, lung cancer cells acquire chemoresistance against CPT analogs, such as irinotecan and topotecan, finally resulting in an unsatisfied outcome and poor prognosis of lung cancer patients. TFPP is a quinone-containing compound as a candidate for CPT-based combination chemotherapy...
September 27, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27663530/ll-37-but-not-25-hydroxy-vitamin-d-serum-level-correlates-with-healing-of-venous-leg-ulcers
#3
Alicja Krejner, Małgorzata Litwiniuk, Tomasz Grzela
Human cathelicidin, LL-37, is small antimicrobial peptide, which reveals also some immunomodulatory and proangiogenic properties and, therefore, may promote wound healing. The expression of LL-37 is controlled by various factors, including vitamin D. Thus, any disturbances in vitamin D level may influence LL-37 production and, possibly, affect wound healing. Since deficiency of vitamin D was identified as a common problem in the population, this proof of concept study aimed to verify the relationship between serum levels of LL-37, vitamin D, and healing rate of venous leg ulcers...
September 23, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27652380/the-impact-of-sex-and-age-on-the-prevalence-of-clinically-relevant-sensitization-and-asymptomatic-sensitization-in-the-general-population
#4
Anna Dor-Wojnarowska, Jerzy Liebhart, Jadwiga Miecielica, Marek Rabski, Andrzej Fal, Bolesław Samoliński, Marita Nittner-Marszalska
The objective of our study was to evaluate the impact of sex and age on the prevalence of sensitization to inhalant allergens. The study was performed as a part of Polish Epidemiology of Allergic Diseases study, and data concerning citizens of Wroclaw were analyzed. The participants were divided into three age groups (6-7, 13-14, and 20-44 years) with a subdivision according to sex. We randomly selected 1409 individuals, 439 people complied; the complete set of tests was performed on 421 of them. We found that 37...
September 20, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27652379/mavs-is-not-a-likely-susceptibility-locus-for-addison-s-disease-and-type-1-diabetes
#5
Magdalena Zurawek, Marta Fichna, Marta Kazimierska, Piotr Fichna, Agnieszka Dzikiewicz-Krawczyk, Grzegorz Przybylski, Marek Ruchala, Jerzy Nowak
Mitochondrial antiviral signaling (MAVS) protein is an intracellular adaptor molecule, downstream of viral sensors, retinoid acid-inducible gene I (RIG-I)-like receptors (RLRs). Impaired antiviral cell signaling might contribute to autoimmunity. Studies have recently shown variations in genes encoding RLRs as risk factors for autoimmune diseases. We investigated whether MAVS coding polymorphisms are associated with Addison's disease (AD) and type 1 diabetes (T1D) in Polish population. We genotyped 140 AD, 532 T1D patients and 600 healthy controls for MAVS rs17857295, rs7262903, rs45437096 and rs7269320...
September 20, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27638481/activated-and-memory-t-lymphocytes-in-children-with-gaucher-disease
#6
Asmaa M Zahran, Azza A Eltayeb, Khalid I Elsayh, Khaled Saad, Faisal-Alkhateeb Ahmad, Ahmad I M Ibrahim
Gaucher disease (GD) is the most prevalent lysosomal storage disorder. Gaucher disease is associated with remarkable alterations in the immune system, and GD patients are more susceptible to infections and are at a higher risk of developing autoimmune disorders and malignancies. In a case-control study, we used three-color flow cytometric immunophenotyping for determination of the frequency of lymphocyte subpopulations and activated T lymphocytes among 18 children with GD1 under enzyme replacement therapy managed in Assiut University Hospitals...
September 16, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27638480/clinical-use-and-therapeutic-potential-of-ivig-scig-plasma-derived-iga-or-igm-and-other-alternative-immunoglobulin-preparations
#7
Peter J Späth, Christoph Schneider, Stephan von Gunten
Intravenous and subcutaneous immunoglobulin preparations, consisting of IgG class antibodies, are increasingly used to treat a broad range of pathological conditions, including humoral immune deficiencies, as well as acute and chronic inflammatory or autoimmune disorders. A plethora of Fab- or Fc-mediated immune regulatory mechanisms has been described that might act separately or in concert, depending on pathogenesis or stage of clinical condition. Attempts have been undertaken to improve the efficacy of polyclonal IgG preparations, including the identification of relevant subfractions, mild chemical modification of molecules, or modification of carbohydrate side chains...
September 16, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27628022/the-use-of-omalizumab-in-food-oral-immunotherapy
#8
Roxane Labrosse, François Graham, Anne Des Roches, Philippe Bégin
Food allergy is an important health issue that affects up to 8 % of the population. The management of allergic patients involves allergen avoidance and prompts the treatment of accidental reactions, as no curative treatment is available so far in routine practice. Oral immunotherapy (OIT) is a promising therapeutic alternative, but it is associated with frequent allergic reactions and cost-effectiveness issues. In hopes of reducing such reactions, a number of trials have used omalizumab, an anti-IgE monoclonal humanized antibody, as adjunctive therapy in OIT...
September 14, 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27178663/adipose-derived-stem-cells-as-a-tool-in-cell-based-therapies
#9
REVIEW
Anna Bajek, Natalia Gurtowska, Joanna Olkowska, Lukasz Kazmierski, Malgorzata Maj, Tomasz Drewa
Recent development in stem cell isolation methods and expansion under laboratory conditions create an opportunity to use those aforementioned cells in tissue engineering and regenerative medicine. Particular attention is drawn towards mesenchymal stem cells (MSCs) being multipotent progenitors exhibiting several unique characteristics, including high proliferation potential, self-renewal abilities and multilineage differentiation into cells of mesodermal and non-mesodermal origin. High abundance of MSCs found in adipose tissue makes it a very attractive source of adult stem cells for further use in regenerative medicine applications...
December 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27086366/the-role-of-traf4-and-b3gat1-gene-expression-in-the-food-hypersensitivity-and-insect-venom-allergy-in-mastocytosis
#10
Aleksandra Górska, Marta Gruchała-Niedoszytko, Marek Niedoszytko, Agnieszka Maciejewska, Marta Chełmińska, Marcin Skrzypski, Bartosz Wasąg, Małgorzata Kaczkan, Magdalena Lange, Bogusław Nedoszytko, Ryszard Pawłowski, Sylwia Małgorzewicz, Ewa Jassem
Mastocytosis is an uncommon disease classified as a myeloproliferative neoplasm, however, its symptoms are broad and place patients at crossroads between dermatology, hematology and allergology. Patients with mastocytosis often suffer from symptoms resulting from the activation and release of mediators from the mast cells, such as generalized itching, redness, headache, abdominal cramps, diarrhea, bone pain or arthritis, hypotension and shock. The possible severe, fatal or near fatal reactions caused by food hypersensitivity are reasons for the research focused on marker identification...
December 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/26973020/possible-role-of-hla-g-lilrb1-and-kir2dl4-gene-polymorphisms-in-spontaneous-miscarriage
#11
Izabela Nowak, Andrzej Malinowski, Ewa Barcz, Jacek R Wilczyński, Marta Wagner, Edyta Majorczyk, Hanna Motak-Pochrzęst, Małgorzata Banasik, Piotr Kuśnierczyk
The KIR2DL4 receptor and its ligand HLA-G are considered important for fetal-maternal immune tolerance and successful pregnancy. The absence of a particular variant of KIR2DL4 might be a bad prognostic factor for pregnancy outcome. However, it could be compensated by the presence of the respective LILRB1 allele. Therefore, we investigated the KIR2DL4, LILRB1 and HLA-G polymorphisms in 277 couples with spontaneous abortion and 219 control couples by HRM, PCR-SSP and RFLP methods. We found a protective effect of women's heterozygosity in -716 HLA-G (p = 0...
December 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/26970862/pituitary-microsomal-autoantibodies-in-patients-with-childhood-onset-combined-pituitary-hormone-deficiency-an-antigen-identification-attempt
#12
Katarzyna Ziemnicka, Paweł Gut, Monika Gołąb, Grzegorz Dworacki, Elżbieta Wrotkowska, Marek Stajgis, Katarzyna Katulska, Barbara Rabska-Pietrzak, Monika Obara-Moszyńska, Marek Niedziela, Bartłomiej Budny, Małgorzata Kałużna, Ryszard Waśko, Marek Ruchała
The role of autoimmunization in the pathogenesis of pituitary disorders is poorly understood. The presence of pituitary autoantibodies (APA) has been detected in various pituitary disorders. Their role, however, remains elusive. Childhood-onset combined pituitary hormone deficiency (CPHD) may be caused by environmental or genetic factors. In some of patients, causes of the disease remain unclear and contributions of autoimmune processes have been postulated. The aim of this study was to identify the microsomes-derived pituitary antigens (MPA) as potential immunogenic autoantigens in patients with hypopituitarism, therefore 62 CPHD patients, 100 healthy controls and five autoimmune polyglandular syndrome type II (APS II) patients were included in the study...
December 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27197661/program-death-1-suppresses-autoimmune-arthritis-by-inhibiting-th17-response
#13
Lifen Yang, Guilin Qiao, Yassir Hassan, Zhenping Li, Xiaoqing Zhang, Huimin Kong, Weimin Zeng, Fei Yin, Jian Zhang
Program death-1 (PD-1) is a co-inhibitory receptor inducibly expressed on activated T cells. PD-1 has been reported to be associated with the development of several autoimmune diseases including rheumatoid arthritis, but the precise cellular and molecular mechanisms have not been fully elucidated. To study the role of PD-1 in the pathogenesis of rheumatoid arthritis and the possible underlying mechanisms, we performed collagen-induced arthritis (CIA) in C57BL/6 mice. Here, we show that PD-1 deficiency leads to the development of severe CIA in mice...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27178664/allergen-associated-immunomodulators-modifying-allergy-outcome
#14
REVIEW
Cristina Gómez-Casado, Araceli Díaz-Perales
The prevalence of allergies is increasing since mid twentieth century; however the underlying causes of this increase are not fully clear. Understanding the mechanism by which a harmless protein becomes an allergen provides us with the basis to prevent and treat these diseases. Although most studies on allergen immunogenicity have traditionally focused on structural properties of the proteins, it is increasingly clear that allergenicity cannot be determined only based on structural features of the allergenic proteins...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27156107/cd4-cd25-cd127-and-cd4-cd25-foxp3-regulatory-t-cell-subsets-in-mediating-autoimmune-reactivity-in-systemic-lupus-erythematosus-patients
#15
Marcelina Żabińska, Magdalena Krajewska, Katarzyna Kościelska-Kasprzak, Katarzyna Jakuszko, Dorota Bartoszek, Marta Myszka, Marian Klinger
UNLABELLED: The available clinical as well as experimental studies implicate participation of T regulatory (Treg) subsets in the pathogenesis and course of systemic lupus erythematosus (SLE). Introduction of the CD4(+)CD25(+)CD127(-) and CD4(+)CD25(+)Foxp3(+) regulatory subpopulations analysis into immunological processes assessment and disease activation prognosis in patients with lupus nephritis (LN) may improve monitoring of disease activity and enable an early, and thus more effective, therapeutic treatment...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/27098399/role-of-cx3cl1-in-diseases
#16
REVIEW
WangMi Liu, Libo Jiang, Chong Bian, Yun Liang, Rong Xing, Mumingjiang Yishakea, Jian Dong
Chemokines are a family of small 8-10 kDa inducible cytokines. Initially characterized as chemotactic factors, they are now considered to affect not just cellular recruitment. CX3CL1 is a unique chemokine that can exist in a soluble form, as a chemotactic cytokine, or in a membrane-attached form that acts as a binding molecule. Recently, the effects of CX3CL1 on diseases, such as inflammation and cancer, have been supported and confirmed by numerous publications. However, due to its dual effects, CX3CL1 exerts numerous effects on pathophysiological conditions that have both negative and positive consequences on pathogenesis and outcome...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/26972875/pro-cognitive-properties-of-the-immunomodulatory-polypeptide-complex-yolkin-from-chicken-egg-yolk-and-colostrum-derived-substances-analyses-based-on-animal-model-of-age-related-cognitive-deficits
#17
Marta Lemieszewska, Marta Jakubik-Witkowska, Bartłomiej Stańczykiewicz, Aleksandra Zambrowicz, Agnieszka Zabłocka, Antoni Polanowski, Tadeusz Trziszka, Joanna Rymaszewska
The study aimed to assess the effect of the polypeptide Y complex (Yolkin), isolated from chicken egg yolk, on behavioural and cognitive functions. It also aimed to compare this activity with colostrum-derived substances (Colostrinin, Coloco), which have a confirmed impact on learning and memory. In the study, the effect of Yolkin, administered to rats of different ages, who performed various tasks involving spatial and episodic memory, motor functions and exploratory behavior, was assessed. The experiment was carried out in rats which were 6 and 12 months old...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/26939778/techniques-of-human-embryonic-stem-cell-and-induced-pluripotent-stem-cell-derivation
#18
REVIEW
Jarosław Lewandowski, Maciej Kurpisz
Developing procedures for the derivation of human pluripotent stem cells (PSCs) gave rise to novel pathways into regenerative medicine research. For many years, stem cells have attracted attention as a potentially unlimited cell source for cellular therapy in neurodegenerative disorders, cardiovascular diseases, and spinal cord injuries, for example. In these studies, adult stem cells were insufficient; therefore, many attempts were made to obtain PSCs by other means. This review discusses key issues concerning the techniques of pluripotent cell acquisition...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/26921303/suppressor-properties-of-human-cd8-cd28-t-cells-in-mixed-leukocyte-reaction-are-not-affected-by-csa-and-rapa
#19
Anna Korecka-Polak, Katarzyna Bocian, Maria Pachówka, Agnieszka Jałbrzykowska, Grażyna Korczak-Kowalska
Human CD8(+)CD28(-) T suppressor cells were previously shown to be involved in the control of the immune response to transplanted allografts. It seems essential to examine how immunosuppressive drugs influence these cells. However, the CD8(+)CD28(-) population contains both suppressor (Ts) and cytotoxic (Tc) T cells, and the phenotype of the Ts subpopulation has not been identified explicitly. It is proposed that the transcription factor FOXP3 may be helpful in distinguishing the Ts and Tc subpopulations. The aim of this study was to evaluate the influence of the immunosuppressive drugs cyclosporine A (CsA) and rapamycin (RAPA) on the level, suppressor properties, and phenotype of human CD8(+)CD28(-) T cells in vitro...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
https://www.readbyqxmd.com/read/26860322/vitamin-d-and-its-relevance-in-the-etiopathogenesis-of-oral-cavity-diseases
#20
REVIEW
Zuzannna Ślebioda, Elżbieta Szponar, Barbara Dorocka-Bobkowska
Vitamin D belongs to a group of fat-soluble secosteroids which assume many roles in the human organism. In humans the most important forms are vitamin D3 and vitamin D2. Their primary function is the regulation of the calcium and phosphorus balance, which promote the growth of healthy bony tissue. Studies over the past few years have revealed a much wider role of vitamin D involving the aging processes, carcinogenesis, the carbohydrate balance as well as the effects on the course of various infections. In this paper we discuss the basic functions of vitamin D in the human body and the mechanisms of its activity and we summarize recent reports on the impact of vitamin D on the oral cavity with a special emphasis on autoimmunologic diseases, including: recurrent aphthous stomatitis, Behçet syndrome and Sjögren syndrome...
October 2016: Archivum Immunologiae et Therapiae Experimentalis
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