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1.

001-es BibID:BIBFORM055870
Első szerző:Aguilera-Aguirre, Leopoldo
Cím:Oxidative damage to mitochondrial respiratory chain complexes increases allergic inflammation in mice / Aguilera-Aguirre Leopoldo, Saavedra-Molina Alfredo, Bácsi Attila, Sur Sanjiv, Boldogh István
Dátum:2007
Tárgyszavak:Természettudományok Biológiai tudományok idézhető absztrakt
Megjelenés:Journal of Allergy and Clinical Immunology. - 123 (2007), p. S122. -
További szerzők:Saavedra-Molina, Alfredo Bácsi Attila (1967-) (immunológus) Sur, Sanjiv Boldogh István
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2.

001-es BibID:BIBFORM065561
Első szerző:Bácsi Attila (immunológus)
Cím:Pathophysiology of bronchoconstriction : role of Oxidatively Damaged DNA Repair / Attila Bacsi, Lang Pan, Xueqing Ba, Istvan Boldogh
Dátum:2016
ISSN:1528-4050 1473-6322
Megjegyzések:PURPOSE OF REVIEW:To provide an overview on the present understanding of roles of oxidative DNA damage repair in cell signaling underlying bronchoconstriction common to, but not restricted to various forms of asthma and chronic obstructive pulmonary disease.RECENT FINDINGS:Bronchoconstriction is a tightening of smooth muscle surrounding the bronchi and bronchioles with consequent wheezing and shortness of breath. Key stimuli include air pollutants, viral infections, allergens, thermal and osmotic changes, and shear stress of mucosal epithelium, triggering a wide range of cellular, vascular, and neural events. Although activation of nerve fibers, the role of G-proteins, protein kinases and Ca++, and molecular interaction within contracting filaments of muscle are well defined, the overarching mechanisms by which a wide range of stimuli initiate these events are not fully understood. Many, if not all, stimuli increase levels of reactive oxygen species, which are signaling and oxidatively modifying macromolecules, including DNA. The primary reactive oxygen species target in DNA is guanine, and 8-oxoguanine is one of the most abundant base lesions. It is repaired by 8-oxoguanine DNA glycosylase1 during base excision repair processes. The product, free 8-oxo-7,8-dihydro-2'-deoxyguanosine base, is bound by 8-oxoguanine DNA glycosylase1 with high affinity, and the complex then functions as an activator of small guanosine triphosphatases, triggering pathways for inducing gene expression and contraction of intracellular filaments in mast and smooth muscle cells.SUMMARY:Oxidative DNA damage repair-mediated cell activation signaling result in gene expression that 'primes' the mucosal epithelium and submucosal tissues to generate mediators of airway smooth muscle contractions.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
muscle constriction
oxidative DNA damage
8-oxoguanine DNA glycosylase1
small GTPases
Megjelenés:Current Opinion In Allergy And Clinical Immunology 16 : 1 (2016), p. 59-67. -
További szerzők:Pan, Lang Ba, Xueqing Boldogh István
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DOI
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3.

001-es BibID:BIBFORM055863
Első szerző:Bácsi Attila (immunológus)
Cím:Pro-oxidant activity of pollen and mold proteins induces oxidative stress in the lungs independent of adaptive immunity / Bácsi Attila, Sur Sanjiv, Choudhury Barun K., Alam Rafeul, Boldogh István
Dátum:2003
Tárgyszavak:Természettudományok Biológiai tudományok idézhető absztrakt
Megjelenés:Journal of Allergy and Clinical Immunology. - 111 : Suppl. 1 (2003), p. S340. -
További szerzők:Sur, Sanjiv Choudhury, Barun K. Alam, Rafeul Boldogh István
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4.

001-es BibID:BIBFORM055866
Első szerző:Bácsi Attila (immunológus)
Cím:Reactive Oxygen Species Generated by Pollen Grain's NAD(P)H Oxidase Augment Allergic Ocular Symptoms / Bácsi Attila, Dharajiya Nilesh, Choudhury Barun K., Sur Sanjiv, Boldogh István
Dátum:2004
Tárgyszavak:Természettudományok Biológiai tudományok idézhető absztrakt
Megjelenés:Journal of Allergy and Clinical Immunology. - 113 : Suppl. 2. (2004), p. S164. -
További szerzők:Dharajiya, Nilesh G. Choudhury, Barun K. Sur, Sanjiv Boldogh István
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5.

001-es BibID:BIBFORM055871
Első szerző:Bácsi Attila (immunológus)
Cím:Antigen-independent mitochondria-driven release of biogenic amines from RBL-2H3 cells / Bácsi Attila, Chodaczek Grzegorz, Dharajiya Nilesh, Sur Sanjiv, Hazra Tapas K., Boldogh István
Dátum:2007
Tárgyszavak:Természettudományok Biológiai tudományok idézhető absztrakt
Megjelenés:Journal of Allergy and Clinical Immunology. - 123 (2007), p. S118. -
További szerzők:Chodaczek, Grzegorz Dharajiya, Nilesh G. Sur, Sanjiv Hazra, Tapas K. Boldogh István
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6.

001-es BibID:BIBFORM047645
035-os BibID:PMID:16210058
Első szerző:Bácsi Attila (immunológus)
Cím:Effect of pollen-mediated oxidative stress on immediate hypersensitivity reactions and late-phase inflammation in allergic conjunctivitis / Attila Bacsi, Nilesh Dharajiya, Barun K. Choudhury, Sanjiv Sur, Istvan Boldogh
Dátum:2005
ISSN:0091-6749
Megjegyzések:BACKGROUND:Allergic eye diseases are complex inflammatory conditions of the conjunctiva that are becoming increasingly prevalent and present an increasing economic burden because of direct and indirect health expenditures.OBJECTIVE:We sought to identify factors that may synergize with antigen-induced allergic inflammation and lead to allergic conjunctivitis. We used a murine model of allergic conjunctivitis to test the effect of oxidative stress generated by pollen oxidases using nicotinamide adenine dinucleotide (reduced) or nicotinamide adenine dinucleotide phosphate (reduced) (NAD[P]H) as an electron donor present in pollen grains.METHODS:Reactive oxygen species (ROS) generation by hydrated Ambrosia artemisiifolia pollen (short ragweed pollen; RWP) grains was determined by using 2'-7'-dihydro-dichlorofluorescein diacetate, nitroblue tetrazolium reduction, and Amplex Red assay. The RWP-induced changes in intracellular ROS levels were examined in A549 cells, human primary bronchial epithelial cells, and murine conjunctiva.RESULTS:Ragweed pollen grains contain NAD(P)H oxidase activity, which is diphenyleneiodonium-sensitive and quinacrine-sensitive and sodium azide-resistant. These NAD(P)H oxidases generate a superoxide anion that can be converted to H2O2 by pollen grain-associated superoxide dismutase. These diffusible oxygen radicals from pollen grains increase intracellular ROS levels in cultured epithelial cells and murine conjunctiva. Similar phenomena were observed in sensitized and naive mice, indicating that the RWP-induced oxidative stress in conjunctival epithelium is independent of adaptive immunity. Inactivation of NAD(P)H oxidase activity in RWP decreases the immediate-type hypersensitivity and inflammatory cell infiltration into the conjunctiva.CONCLUSION:Our data suggest that ROS generated by NAD(P)H oxidases in pollen grains intensify immediate allergic reactions and recruitment of inflammatory cells in murine conjunctiva.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Pollen NAD(P)H oxidase
oxidative stress
epithelium
conjunctivitis
Megjelenés:Journal of Allergy and Clinical Immunology. - 116 : 4 (2005), p. 836-843. -
További szerzők:Dharajiya, Nilesh G. Choudhury, Barun K. Sur, Sanjiv Boldogh István
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DOI
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7.

001-es BibID:BIBFORM038720
Első szerző:Bácsi Attila (immunológus)
Cím:Subpollen particles : carriers of allergenic proteins and oxidases / Bacsi A., Choudhury B.K., Dharajiya N., Sur S., Boldogh I.
Dátum:2006
ISSN:0091-6749
Megjegyzések:Pollen is known to induce allergic asthma in atopic individuals, although only a few inhaled pollen grains penetrate into the lower respiratory tract. OBJECTIVE: We sought to provide evidence that subpollen particles (SPPs) of respirable size, possessing both antigenic and redox properties, are released from weed pollen grains and to test their role in allergic airway inflammation. METHODS: The release of SPPs was analyzed by means of microscopic imaging and flow cytometry. The redox properties of SPPs and the SPP-mediated oxidative effect on epithelial cells were determined by using redox-sensitive probes and specific inhibitors. Western blotting and amino acid sequence analysis were used to examine the protein components of the SPP. The allergenic properties of the SPP were determined in a murine model of experimental asthma. RESULTS: Ragweed pollen grains released 0.5 to 4.5 microm of SPPs on hydration. These contained Amb a 1, along with other allergenic proteins of ragweed pollen, and possessed nicotinamide adenine dinucleotide (reduced) or nicotinamide adenine dinucleotide phosphate (reduced) [NAD(P)H] oxidase activity. The SPPs significantly increased the levels of reactive oxygen species (ROS) in cultured cells and induced allergic airway inflammation in the experimental animals. Pretreatment of the SPPs with NAD(P)H oxidase inhibitors attenuated their capacity to increase ROS levels in the airway epithelial cells and subsequent airway inflammation. CONCLUSIONS: The allergenic potency of SPPs released from ragweed pollen grains is mediated in tandem by ROS generated by intrinsic NAD(P)H oxidases and antigenic proteins.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Journal Of Allergy And Clinical Immunology. - 118 : 4 (2006), p. 844-850. -
További szerzők:Choudhury, Barun K. Dharajiya, Nilesh G. Sur, Sanjiv Boldogh István
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8.

001-es BibID:BIBFORM076382
Első szerző:Balogh Emese (reumatológus)
Cím:Autoimmune and angiogenic biomarkers in autoimmune atherosclerosis / Emese Balogh, Anita Pusztai, Attila Hamar, Edit Végh, Szilvia Szamosi, György Kerekes, Jennifer McCormick, Monika Biniecka, Sándor Szántó, Gabriella Szűcs, Zoltán Nagy, Ursula Fearon, Douglas J. Veale, Zoltán Szekanecz
Dátum:2019
ISSN:1521-6616
Megjegyzések:Several inflammatory, proteolytic, angiogenic and bone-associated factors play a role in the development of autoimmune, accelerated atherosclerosis in rheumatic diseases. Some of these may serve as biomarkers of vascular pathology and may be useful in the follow-up of vascular damage and outcome. Multi-biomarker profiles rather than a single markers would likely be optimal in this respect.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Autoimmune atherosclerosis
Cardiovascular disease
Autoimmunity
Angiogenesis
Biomarkers
Megjelenés:Clinical Immunology. - 199 (2019), p. 47-51. -
További szerzők:Karancsiné Pusztai Anita (1989-) (tudományos segédmunkatárs) Hamar Attila Béla (1990-) (általános orvos) Végh Edit (1978-) (reumatológus, belgyógyász) Szamosi Szilvia (1975-) (belgyógyász, reumatológus) Kerekes György (1973-) (belgyógyász, kardiológus, angiológus) McCormick, Jennifer Biniecka, Monika Szántó Sándor (1968-) (belgyógyász, reumatológus) Szűcs Gabriella (1963-) (belgyógyász, allergológus és klinikai immunológus, reumatológus) Nagy Zoltán (orvos) Fearon, Ursula Veale, Douglas J. Szekanecz Zoltán (1964-) (reumatológus, belgyógyász, immunológus)
Pályázati támogatás:TÁMOP-4.2.4.A/2-11/1-2012-0001
TÁMOP
GINOP-2.3.2-15-2016-00015
GINOP
GINOP-2.3.2-15-2016-00050
GINOP
Internet cím:DOI
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9.

001-es BibID:BIBFORM044036
Első szerző:Besenyei Tímea (reumatológus, belgyógyász)
Cím:Non-MHC Risk Alleles in Rheumatoid Arthritis and in the Syntenic Chromosome Regions of Corresponding Animal Models / Besenyei Timea, Kadar Andras, Tryniszewska Beata, Kurko Julia, Rauch Tibor A., Glant Tibor T., Mikecz Katalin, Szekanecz Zoltan
Dátum:2012
ISSN:1740-2522
Megjegyzések:Rheumatoid arthritis (RA) is a polygenic autoimmune disease primarily affecting the synovial joints. Numerous animal models show similarities to RA in humans; some of them not only mimic the clinical phenotypes but also demonstrate the involvement of homologous genomic regions in RA. This paper compares corresponding non-MHC genomic regions identified in rodent and human genome-wide association studies (GWAS). To date, over 30 non-MHC RA-associated loci have been identified in humans, and over 100 arthritis-associated loci have been identified in rodent models of RA. The genomic regions associated with the disease are designated by the name(s) of the gene having the most frequent and consistent RA-associated SNPs or a function suggesting their involvement in inflammatory or autoimmune processes. Animal studies on rats and mice preferentially have used single sequence length polymorphism (SSLP) markers to identify disease-associated qualitative and quantitative trait loci (QTLs) in the genome of F2 hybrids of arthritis-susceptible and arthritis-resistant rodent strains. Mouse GWAS appear to be far ahead of rat studies, and significantly more mouse QTLs correspond to human RA risk alleles
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Rheumatoid arthritis
polygenic autoimmune disease
Megjelenés:Clinical And Development Immunology. - 2012 (2012), p. 1-14. -
További szerzők:Kádár András (1977-) (belgyógyász) Tryniszewska Beáta Kurkó Júlia Emese (1979-) (reumatológus) Rauch Tibor A. Glant Tibor T. Mikecz Katalin Szekanecz Zoltán (1964-) (reumatológus, belgyógyász, immunológus)
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DOI
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10.

001-es BibID:BIBFORM055867
Első szerző:Boldogh István
Cím:Oxidative Stress Generated by Intrinsic Pollen NADPH Oxidases Is Required for Inducing Allergic Airway Inflammation / Boldogh István, Bácsi Attila, Choudhury Barun K., Dharajiya Nilesh, Alam Rafeul, Sur Sanjiv
Dátum:2004
Tárgyszavak:Természettudományok Biológiai tudományok idézhető absztrakt
Megjelenés:Journal of Allergy and Clinical Immunology. - 113 (2004), p. S164. -
További szerzők:Bácsi Attila (1967-) (immunológus) Choudhury, Barun K. Dharajiya, Nilesh G. Alam, Rafeul Sur, Sanjiv
Borító:

11.

001-es BibID:BIBFORM072048
Első szerző:Borrelli, M.
Cím:Intestinal anti-transglutaminase 2 immunoglobulin A deposits in children at risk for coeliac disease (CD) : data from the PreventCD study / Borrelli M., Maglio M., Korponay-Szabó I. R., Vass V., Mearin M. L., Meijer C., Niv-Drori H., Ribes-Koninckx C., Roca M., Shamir R., Troncone R., Auricchio R.
Dátum:2018
ISSN:0009-9104
Megjegyzések:In coeliac disease (CD), anti-tissue transglutaminase 2 immunoglobulin(Ig)A antibodies (anti-TG2) are produced and deposited in the intestine.PreventCD (www.preventcd.com) is a European multi-centre study, whichinvestigates the influence of infant nutrition and that of genetic,immunological and other environmental factors on the risk of developingCD. The aim of the current study was to evaluate the appearance ofintestinal anti-TG2 deposits in very early intestinal biopsies from at-riskinfants and their predictive value for villous atrophy. Sixty-five small bowelbiopsies, performed in 62 children, were investigated for the presenceof intestinal anti-TG2 extracellular IgA deposits by using doubleimmunofluorescence. The biopsies were performed in the presence ofelevated serum levels of CD-associated antibodies and/or symptomssuggesting disease. Deposits of anti-TG2 IgA were present in 53 of 53 CDpatients and three of three potential CD patients. In potential CD patients,mucosal deposits showed a patchy distribution characterized by some areascompletely negative, whereas active CD patients had uniformly present andevident mucosal deposits. Only one of six patients without CD (negative forserum anti-TG2 and with normal mucosa) had intestinal deposits with apatchy distribution and a weak staining. Two of the 53 CD patients receiveda definitive diagnosis of CD after a second or third biopsy; mucosal depositsof anti-TG2 IgA were evaluated in all samples. Before developing villous atrophy, both patients had anti-TG2 deposits in normal mucosalarchitecture, antibodies in one patient being absent in serum. We demonstrated that in CD the intestinal deposits of anti-TG2 are a constant presence and appear very early in the natural history of disease.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
celiac
Megjelenés:Clinical And Experimental Immunology. - 191 : 3 (2018), p. 311-317. -
További szerzők:Maglio, M. Korponay-Szabó Ilma (1959-) (gyermekgyógyász) Vass V. Mearin, Maria Luisa Meijer, Caroline R. Niv-Drori, H. Ribes-Koninckx, Carmen Roca, María Shamir, R. Troncone, Riccardo Auricchio, Renata
Pályázati támogatás:GINOP-2.3.2-15-2016-00015
GINOP
NKFI-120392
NKFI
OTKA-101788
OTKA
Internet cím:DOI
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12.

001-es BibID:BIBFORM015807
Első szerző:Centola, Michael
Cím:Gene expression profiles of systemic lupus erythematosus and rheumatoid arthritis / Centola, M., Szekanecz, Z., Kiss, E., Zeher, M., Szegedi, G., Nakken, B., Szodoray, P.
Dátum:2007
ISSN:1744-666X
Megjegyzések:Gene expression profiling using microarray technology is being employed to define specific molecular mediators and pathways involved in immunobiology, to understand the intricate interplay of genes participating in the pathogenesis, and to develop biomarkers of disease activity in both systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA). This review summarizes the latest information on the pathogenesis of SLE and RA and describes the utilization of microarray technology in these systemic autoimmune diseases.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
gene expression profile
microarray
rheumatoid arthritis
systemic lupus erythematosus
Megjelenés:Expert Review of Clinical Immunology. - 3 : 5 (2007), p. 797-806. -
További szerzők:Szekanecz Zoltán (1964-) (reumatológus, belgyógyász, immunológus) Kiss Emese (1960-) (belgyógyász, immunológus) Zeher Margit (1957-2018) (belgyógyász, allergológus és klinikai immunológus, reumatológus) Szegedi Gyula (1936-2013) (belgyógyász, immunológus) Nakken, Britt Szodoray Péter (1973-) (belgyógyász, orvos)
Internet cím:DOI
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