CCL

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1.

001-es BibID:BIBFORM013626
Első szerző:Fodor Mariann (szemész)
Cím:Spectroscopic study of explanted opacified hydrophilic acrylic intraocular lenses / Fodor M., Petrovski G., Moe M. C., Bíró Z., Németh G., Dinya Z., Tornai I., Ujvári T., Berta A., Facskó A.
Dátum:2011
ISSN:1755-3768
Megjegyzések:To report a detailed spectroscopic analysis of explanted hydrophilic acrylic intraocular lenses (IOLs) that were removed because of postoperative opacification of the lens optic. Methods: Thirteen Hydroview H60M (Bausch & Lomb Surgical) IOLs were explanted from 13 different patients on average 56 months after phacoemulsification and IOL implantation. All patients had decreased visual acuity because of a fine granularity of the optical surface of the IOLs. The surface was investigated by gross, microscopic, histochemical and scanning electron microscopic analysis, and the elemental composition of the opacified IOLs was determined by X-ray fluorescence spectroscopy (XRF). The spectrograms were compared to three different originally packed and never-implanted hydrophilic acrylic IOLs. Results: Light and scanning electron microscopy of the optical surface of explanted IOLs revealed multiple fine granular deposits varying in size and shape that were positive for alizarin red. XRF confirmed that the explanted IOLs contained not only the previously reported calcium and phosphorous (calcium apatite), chlorine, silicone, sodium, aluminum and magnesium but also iron, sulfur, potassium as well as lesser amounts of iodine, zinc, strontium and yttrium. Conclusion: This is the first spectroscopic analysis determining the content of more than 10 elements of explanted and originally packed never-implanted hydrophilic acrylic IOLs. The possible origin of the different elements obtained from the spectrograms and their implications are discussed.
Tárgyszavak:Orvostudományok Klinikai orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
folyóiratcikk
Megjelenés:Acta Ophthalmologica. - 89 : 2 (2011), p. e161-e166. -
További szerzők:Petrovski, Goran (1975-) (orvos) Moe, Morten C. Biró Zsolt (szemész) Németh Gábor (1975-) (szemész) Dinya Zoltán (1942-) (vegyész) Tornai Ildikó Ujvári Tamás Berta András (1955-) (szemész, gyermekszemész) Facskó Andrea (1953-) (szemész)
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2.

001-es BibID:BIBFORM037061
Első szerző:Froen, Rebecca C.
Cím:Pigment epithelial cells isolated from human peripheral iridectomies have limited properties of retinal stem cells / Froen R. C., Johnsen E. O., Petrovski G., Berényi E., Facskó A., Berta A., Nicolaissen B., Moe M. C.
Dátum:2011
ISSN:1755-375X
Megjegyzések:PURPOSE: The identification of cells with properties of retinal progenitor cells (RPCs) in the adult human ciliary margin (CM) prompted a number of studies of their proliferative and differentiation potential. One of the remaining challenges is to find a feasible method of isolating RPCs from the patient's eye. In the human CM, only the iris pigment epithelium (IPE) is easily obtained by a minimally invasive procedure. In the light of recent studies questioning the existence of RPCs in the adult mammalian CM, we wanted to assess the potential of the adult human IPE as source of RPCs. METHODS: The IPE were isolated from peripheral iridectomies during glaucoma surgery, and IPE and ciliary body (CB) epithelium were also isolated from post-mortem tissue. Cells were cultivated in sphere-promoting conditions or as monolayers. Whole-tissue samples, undifferentiated and differentiated cells were studied by immunocytochemistry, RT-PCR and transmission electron microscopy. RESULTS: The adult human IPE, like the CB, expressed markers of RPCs such as Pax6, Sox2 and Nestin in vivo. Both sphere-promoting and monolayer cultures preserved this phenotype. However, both IPE/CB cultures expressed markers of differentiated epithelial cells such as Claudin, microphtalmia-associated transcription factor (MITF) and Cytokeratin-19. Ultrastructurally, IPE spheres displayed epithelial-like junctions and contained mature melanosomes. After induced differentiation, IPE-derived cells showed only partial neuronal differentiation expressing beta-III-tubulin, Map-2 and Rhodopsin, whereas no mature glial markers were found. CONCLUSION: Proliferative cells with some properties of RPCs can be isolated from the adult human IPE by peripheral iridectomies. Yet, many cells retain properties of differentiated epithelial cells and lack central properties of somatic stem cells.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Acta Ophthalmologica. - 89 : 8 (2011), p. 635-644. -
További szerzők:Johnsen, Erik O. Petrovski, Goran (1975-) (orvos) Berényi Erika Facskó Andrea (1953-) (szemész) Berta András (1955-) (szemész, gyermekszemész) Nicolaissen, Bjorn Moe, Morten C.
Internet cím:Intézményi repozitóriumban (DEA) tárolt változat
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3.

001-es BibID:BIBFORM045964
035-os BibID:PMID:15043529
Első szerző:Nagy Valéria (szemész)
Cím:Activated protein C resistance in anterior ischaemic optic neuropathy / Valeria Nagy, Andrea Facsko, Lili Takacs, Erzsebet Balazs, Andras Berta, Istvan Balogh, Istvan Edes, Istvan Czuriga, Gyorgy Pfliegler
Dátum:2004
ISSN:1395-3907
Megjegyzések:Protein C is a major component of the natural anticoagulant pathway. Resistance of coagulation factor V (FV) to activated protein C (APC), mostly due to FV Leiden mutation, is the most common cause of inherited thrombophilia. The aim of this retrospective study was to determine the prevalence of APC resistance and Leiden mutation in patients with non-arteritic anterior ischaemic optic neuropathy (NAION). METHODS: A total of 25 patients with NAION were examined between 1997 and 2002. The patients were screened for APC resistance and FV Leiden mutation as well as for acquired risk factors of vascular disease such as diabetes mellitus, hypercholesterolaemia, hypertonia and ischaemic heart disease. A control group of subjects without ocular vascular disease and with homogenous distribution of the same risk factors was used for comparison. RESULTS: Six of the 25 patients (24%) with NAION had APC resistance due to the heterozygous Leiden mutation of FV. The frequency of the same genetic mutation in the control group was only 5.9%. Odds ratio calculations showed that patients with the Leiden mutation were at a significantly higher risk of NAION than control patients (p < or = 0.021). CONCLUSION: The high frequency of Leiden mutation in NAION suggests a pathogenic role of the mutation in the disease.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Acta Ophthalmologica Scandinavica. - 82 : 2 (2004), p. 140-143. -
További szerzők:Facskó Andrea (1953-) (szemész) Takács Lili (1969-) (szemész) Balázs Erzsébet (1952-) (szemész) Berta András (1955-) (szemész, gyermekszemész) Balogh István (1972-) (molekuláris biológus, genetikus) Édes István (1952-) (kardiológus) Czuriga István (1948-2018) (kardiológus) Pfliegler György (1949-) (belgyógyász, hematológus, labor szakorvos)
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4.

001-es BibID:BIBFORM028036
Első szerző:Petrovski, Goran (orvos)
Cím:Clearance of dying ARPE-19 cells by professional and nonprofessional phagocytes in vitro- implications for age-related macular degeneration (AMD) / Petrovski Goran, Berényi Erika, Moe Morten C., Vajas Attila, Fésüs László, Berta András, Facskó Andrea
Dátum:2011
ISSN:1755-375X
Megjegyzések:Failure of retinal pigment epithelial (RPE) cells and macrophages to engulf different dying cells in the retina may result in accumulation of debris and development of age-related macular degeneration (AMD). The dynamics and influence of different treatments on this clearance process can be studied in vitro using human ARPE-19 cells and macrophages as phagocytes modelling dry and wet type of AMD, respectively. METHODS: Death through extracellular matrix detachment using polyHEMA-coated surfaces (anoikis) and UV irradiation (apoptosis) was induced in ARPE-19 cells. Two-coloured phagocytic assays were performed to quantify the amount of dying cells phagocytes engulfed (flow cytometry) and for visualization (fluorescent and scanning electron microscopy). The effect of phosphatidylserine inhibition with recombinant annexin-V and glucocorticoid (triamcinolone) treatment on the phagocytic process was tested. RESULTS: The clearance of anoikic and apoptotic cells by nondying ARPE-19 cells over 8 hr of co-incubation increased over time (at 8 hr, over 53% and 35% of the phagocytes contained engulfed dying cells, respectively). The human macrophages engulfed the anoikic and apoptotic ARPE-19 cells with seven and four times lower capacity, respectively. Phosphatidylserine appearance on the dying cells did not affect, but triamcinolone treatment enhanced the phagocytosis of the dying cells by macrophages. CONCLUSIONS: ARPE-19 cells are more efficient in clearing anoikic than UV-induced apoptotic cells. Macrophages are less efficient in the clearance process than ARPE-19 cells. The present model can be used for studying both dry and wet type of AMD in vitro and for testing different pharmacological aspects affecting this disease.
Tárgyszavak:Orvostudományok Elméleti orvostudományok idegen nyelvű folyóiratközlemény külföldi lapban
Megjelenés:Acta Ophthalmologica. - 89 : 1 (2011), p. 30-34. -
További szerzők:Berényi Erika Moe, Morten C. Vajas Attila (1973-) (szemész) Fésüs László (1947-) (orvos biokémikus) Berta András (1955-) (szemész, gyermekszemész) Facskó Andrea (1953-) (szemész)
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