National Repository of Grey Literature 4 records found  Search took 0.00 seconds. 
Methodology for the detection of fungal allergens from air with a focus on the genus Alternaria
Palicová, Jana ; Dumalasová, Veronika ; Zelba, Ondřej ; Hanzalová, Alena ; Trávníčková, Martina ; Chrpová, Jana
The aim of the methodology was to develop and describe a new procedure for air sampling for the analysis of microscopic filamentous fungi (micromycetes, in layman's terms moulds) in outdoor and indoor environments with a focus on the allergenic genus Alternaria. The methodology also includes a procedure for the preparation of samples for molecular detection of representatives of the genus Alternaria and the allergen Alt a 1.
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Adhesion and growth of adipose tissue-derived stem cells on fibrin assemblies with attached growth factors for tissue engineering of heart valves
Filová, Elena ; Trávníčková, Martina ; Knitlová, Jarmila ; Matějka, Roman ; Kučerová, Johanka ; Riedelová, Zuzana ; Brynda, Eduard ; Bačáková, Lucie
Currently used xenogeneic biological heart valve prostheses are decellularized and crosslinked with glutaraldehyde. These grafts usually undergo degeneration and calcification. Pericardium-based heart valve prostheses, re-seeded with autologous cells, i.e. Adipose tissue-derived cells (ASCs) and endothelial cells, could have longer durability and biocompatibility. In order to improve the adhesion of cells and their ingrowth into decellularized pericardium, various fibrin (Fb) layers were developed, i.e. Fb, Fb with covalently bound heparin (H), Fb with either vascular endothelial growth factor (VEGF) or fibroblast growth factor 2 (FGF) in various concentrations (1 ng/ml, 10 ng/ml, 100 ng/ml) or with both VEGF and FGF (100 ng/ml). Growth factors were attached onto Fb via heparin or were adsorbed. ASCs were seeded on theses layers in a DMEM medium supplemented with 2 % of fetal bovine serum, TGFβ1 and BMP-4 (both 2.5 ng/ml), and with ascorbic acid. Cell adhesion and growth/viability was assessed by counted cell number/MTS evaluation. ASCs were stained for differentiation markers of smooth muscle cells, such as alpha-actin, calponin, and myosin heavy chain. On day 7, ASCs on Fb-H-VEGF layers produced both calponin and alpha-actin. An increased FGF concentration caused reduced calponin staining of ASCs. Lack of heparin in fibrin assemblies with growth factors inhibited the production of both alpha-actin and calponin in ASCs. The highest ASCs density/viability was found on Fb-H-VEGF-FGF layer. The proper formulation of fibrin coatings could be favorable for ASCs growth and differentiation and could subsequently support endothelialization of cardiovascular prostheses with endothelial cells.
Methodology of using molecular markers for detection of resistance genes to wheat rusts, powdery mildew and eyspot, and dwarfing genes of wheat
Sumíková, Taťána ; Dumalasová, Veronika ; Trávníčková, Martina
The aim of the publication is to summarize detailed protocols for detection of following resistance genes to wheat rusts, powdery mildew and eyspot (Lr10, Lr19, Lr24, Lr26+Sr31+Yr9+Pm8, Lr28, Lr34+Yr18, Lr37+Yr17+Sr38, Pch1), and dwarfing genes of wheat (Rht-B1 a Rht-D1) using molecular markers based on polymerase chain reaction (PCR). The protocoles are reliable optimized for routine use in a common laboratory with basic equipment needed for PCR.
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