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Lange A, Matuszewski A, Kutwin M, Ostrowska A, Jaworski S. Farnesol and Selected Nanoparticles (Silver, Gold, Copper, and Zinc Oxide) as Effective Agents Against Biofilms Formed by Pathogenic Microorganisms. Nanotechnol Sci Appl 2024; 17:107-125. [PMID: 38645468 PMCID: PMC11032122 DOI: 10.2147/nsa.s457124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 03/22/2024] [Indexed: 04/23/2024] Open
Abstract
Purpose Biofilms, which are created by most microorganisms, are known for their widely developed drug resistance, even more than planktonic forms of microorganisms. The aim of the study was to assess the effectiveness of agents composed of farnesol and nanoparticles (silver, gold, copper, and zinc oxide) in the degradation of biofilms produced by pathogenic microorganisms. Methods Escherichia coli, Enterococcus faecalis, Staphylococcus aureus, Pseudomonas aeruginosa, and Candida albicans were used to create the biofilm structure. Colloidal suspensions of silver, gold, copper, and zinc oxide (Ag, Au, Cu, ZnO) with the addition of farnesol (F) were used as the treatment factor. The size distribution of those composites was analyzed, their zeta potential was measured, and their structure was visualized by transmission electron microscopy. The viability of the microorganism strains was assessed by an XTT assay, the ability to form biofilms was analyzed by confocal microscopy, and the changes in biofilm structure were evaluated by scanning electron microscopy. The general toxicity toward the HFFF2 cell line was determined by a neutral red assay and a human inflammation antibody array. Results The link between the two components (farnesol and nanoparticles) caused mutual stability of both components. Planktonic forms of the microorganisms were the most sensitive when exposed to AgF and CuF; however, the biofilm structure of all microorganism strains was the most disrupted (both inhibition of formation and changes within the structure) after AgF treatment. Composites were not toxic toward the HFFF2 cell line, although the expression of several cytokines was higher than in the not-treated group. Conclusion The in vitro studies demonstrated antibiofilm properties of composites based on farnesol and nanoparticles. The greatest changes in biofilm structure were triggered by AgF, causing an alteration in the biofilm formation process as well as in the biofilm structure.
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Affiliation(s)
- Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Arkadiusz Matuszewski
- Department of Animal Environment Biology, Institute of Animal Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Marta Kutwin
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Agnieszka Ostrowska
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
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Betlej I, Andres B, Cebulak T, Kapusta I, Balawejder M, Żurek N, Jaworski S, Lange A, Kutwin M, Pisulewska E, Kidacka A, Krochmal-Marczak B, Boruszewski P, Borysiuk P. Phytochemical Composition and Antimicrobial Properties of New Lavandula angustifolia Ecotypes. Molecules 2024; 29:1740. [PMID: 38675563 PMCID: PMC11052340 DOI: 10.3390/molecules29081740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 04/03/2024] [Accepted: 04/08/2024] [Indexed: 04/28/2024] Open
Abstract
The purpose of this study was to characterize ethanol extracts from leaves and flowers of two ecotypes (PL-intended for industrial plantations and KC-intended for cut flowers) of Lavandula angustifolia Mill. The plant was cultivated in 2019 in southern Poland as part of a long-term research plan to develop new varieties resistant to difficult environmental conditions. The collected leaves and flowers were used to prepare ethanol extracts, which were then analyzed in terms of phytochemical composition and antioxidant, bactericidal, and fungicidal properties. Using UPLC techniques, 22 compounds belonging to phenolic acids and flavonoids were identified. UPLC test results indicated that ethanol extracts from leaves and flowers differ in phytochemical composition. Lower amounts of phenolic acids and flavonoids were identified in leaf extracts than in flower extracts. The predominant substances in the flower extracts were rosmarinic acid (829.68-1229.33 µg/g), ferulic acid glucoside III (810.97-980.55 µg/g), and ferulic acid glucoside II (789.30-885.06 µg/g). Ferulic acid glucoside II (3981.95-6561.19 µg/g), ferulic acid glucoside I (2349.46-5503.81 µg/g), and ferulic acid glucoside III (1303.84-2774.17 µg/g) contained the highest amounts in the ethanol extracts of the leaves. The following substances were present in the extracts in trace amounts or at low levels: apigenin, kaempferol, and caftaric acid. Leaf extracts of the PL ecotype quantitatively (µg/g) contained more phytochemicals than leaf extracts of the KC ecotype. The results obtained in this study indicate that antioxidant activity depends on the ecotype. Extracts from the PL ecotype have a better ability to eliminate free radicals than extracts from the KC ecotype. At the same time, it was found that the antioxidant activity (total phenolic content, ABTS•+, DPPH•, and FRAP) of PL ecotype leaf extracts was higher (24.49, 177.75, 164.88, and 89.10 μmol (TE)/g) than that determined in flower extracts (15.84, 125.05, 82.35, and 54.64 μmol (TE)/g). The test results confirmed that leaf and flower extracts, even at low concentrations (0.313-0.63%), significantly inhibit the growth of selected Gram-negative and Gram-positive bacteria and Candida yeasts. Inhibition of mold growth was observed at a dose extract of at least 1 mL/100 mL.
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Affiliation(s)
- Izabela Betlej
- Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland; (B.A.); (P.B.)
| | - Bogusław Andres
- Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland; (B.A.); (P.B.)
| | - Tomasz Cebulak
- Department of Food Technology and Human Nutrition, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, 4 Zelwerowicza St., 35-601 Rzeszów, Poland; (T.C.); (I.K.); (N.Ż.)
| | - Ireneusz Kapusta
- Department of Food Technology and Human Nutrition, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, 4 Zelwerowicza St., 35-601 Rzeszów, Poland; (T.C.); (I.K.); (N.Ż.)
| | - Maciej Balawejder
- Department of Chemistry and Food Toxicology, University of Rzeszów, 1a Ćwiklińskiej St., 35-601 Rzeszów, Poland;
| | - Natalia Żurek
- Department of Food Technology and Human Nutrition, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, 4 Zelwerowicza St., 35-601 Rzeszów, Poland; (T.C.); (I.K.); (N.Ż.)
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 8 Ciszewskiego St., 02-786 Warsaw, Poland; (S.J.); (A.L.); (M.K.)
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 8 Ciszewskiego St., 02-786 Warsaw, Poland; (S.J.); (A.L.); (M.K.)
| | - Marta Kutwin
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 8 Ciszewskiego St., 02-786 Warsaw, Poland; (S.J.); (A.L.); (M.K.)
| | - Elżbieta Pisulewska
- Department of Plant Production and Food Safety, Carpathian State College in Krosno, 38-400 Krosno, Poland; (E.P.); (B.K.-M.)
| | - Agnieszka Kidacka
- Breeding Department, Małopolska Plant Breeding Company sp. z o. o., 4 Zbożowa St., 30-002 Kraków, Poland;
| | - Barbara Krochmal-Marczak
- Department of Plant Production and Food Safety, Carpathian State College in Krosno, 38-400 Krosno, Poland; (E.P.); (B.K.-M.)
| | - Piotr Boruszewski
- Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland; (B.A.); (P.B.)
| | - Piotr Borysiuk
- Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland; (B.A.); (P.B.)
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Wierzbicki M, Kot M, Lange A, Kalińska A, Gołębiewski M, Jaworski S. Evaluation of the Antimicrobial, Cytotoxic, and Physical Properties of Selected Nano-Complexes in Bovine Udder Inflammatory Pathogen Control. Nanotechnol Sci Appl 2024; 17:77-94. [PMID: 38523648 PMCID: PMC10961027 DOI: 10.2147/nsa.s447810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 02/06/2024] [Indexed: 03/26/2024] Open
Abstract
Purpose Mastitis in dairy cows is a worldwide problem faced by dairy producers. Treatment mainly involves antibiotic therapy, however, due to widespread antibiotic resistance among bacteria, such treatments are no longer effective. For this reason, scientists are searching for new solutions to combat mastitis, which is caused by bacteria, fungi, and algae. One of the most promising solutions, nanotechnology, is attracting research due to its biocidal properties. The purpose of this research was to determine the biocidal properties of nanocomposites as a potential alternative to antibiotics in the control of mastitis, as well as to determine whether the use of nanoparticles and what concentration is safe for the breeder and the animal. Patients and Methods In this study, the effects of Ag, Au, Cu, Fe, and Pt nanoparticles and their complexes were evaluated in relation to the survival of bacteria and fungi isolated from cattle diagnosed with mastitis, their physicochemical properties, and their toxicity to bovine and human mammary epithelial cells BME-UV1 and HMEC (human microvascular endothelial cells). Moreover, E. coli, S. aureus, C. albicans, and Prototheca sp. invasion was assessed using the alginate bead (bioprinted) model. The NPs were tested at concentrations of 25, 12.5, 6.25, 3.125, 1.56 mg/l for Au, Ag, Cu and Fe NPs, and 10, 5, 2.5, 1.25, 0.625 mg/l for Pt. Results With the exception of Fe and Pt, all exhibited biocidal properties against isolates, while the AgCu complex had the best effect. In addition, nanoparticles showed synergistic effects, while the low concentrations had no toxic effect on BME-UV1 and HMEC cells. Conclusion Synergistic effects of nanoparticles and no toxicity to bovine and human cells might, in the future, be an effective alternative in the fight against microorganisms responsible for mastitis, and the implementation of research results in practice would reduce the percentage of dairy cows suffering from mastitis. The problem of increasing antibiotic resistance is posing a global threat to human's and animal's health, and requires comprehensive research to evaluate the potential use of nanoparticles - especially their complexes - as well as to determine whether nanoparticles are safe for the breeders and the animals. The conducted series of studies allows further consideration of the use of the obtained results in practice, creating a potentially new alternative to antibiotics in the treatment and prevention of mastitis in dairy cattle.
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Affiliation(s)
- Mateusz Wierzbicki
- Department of Nanobiotechnology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Magdalena Kot
- Animal Breeding Department, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Agata Lange
- Department of Nanobiotechnology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Aleksandra Kalińska
- Animal Breeding Department, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Marcin Gołębiewski
- Animal Breeding Department, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
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Nasiłowska B, Bombalska A, Kutwin M, Lange A, Jaworski S, Narojczyk K, Olkowicz K, Bogdanowicz Z. Ciprofloxacin-, Cefazolin-, and Methicilin-Soaked Graphene Paper as an Antibacterial Medium Suppressing Cell Growth. Int J Mol Sci 2024; 25:2684. [PMID: 38473931 DOI: 10.3390/ijms25052684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/20/2024] [Accepted: 02/22/2024] [Indexed: 03/14/2024] Open
Abstract
This paper presents the results of research on the impact of graphene paper on selected bacterial strains. Graphene oxide, from which graphene paper is made, has mainly bacteriostatic properties. Therefore, the main goal of this research was to determine the possibility of using graphene paper as a carrier of a medicinal substance. Studies of the degree of bacterial inhibition were performed on Staphylococcus aureus and Pseudomonas aeruginosa strains. Graphene paper was analyzed not only in the state of delivery but also after the incorporation of the antibiotics ciprofloxacin, cefazolin, and methicillin into its structures. In addition, Fourier-Transform Infrared Spectroscopy, contact angle, and microscopic analysis of bacteria on the surface of the examined graphene paper samples were also performed. Studies have shown that graphene paper with built-in ciprofloxacin had a bactericidal effect on the strains of Staphylococcus aureus and Pseudomonas aeruginosa. In contrast, methicillin, as well as cefazolin, deposited on graphene paper acted mainly locally. Studies have shown that graphene paper can be used as a carrier of selected medicinal substances.
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Affiliation(s)
- Barbara Nasiłowska
- Institute of Optoelectronics, Military University of Technology, gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
| | - Aneta Bombalska
- Institute of Optoelectronics, Military University of Technology, gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
| | - Marta Kutwin
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland
| | - Kamila Narojczyk
- Institute of Optoelectronics, Military University of Technology, gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
| | - Klaudia Olkowicz
- Air Force Institute of Technology, Księcia Bolesława 6, 01-494 Warsaw, Poland
| | - Zdzisław Bogdanowicz
- Faculty of Mechanical Engineering, Military University of Technology, gen. S. Kaliskiego 2, 00-908 Warsaw, Poland
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Urban J, Jaworski S, Lange A, Bień D, Matuszewski A, Michalczuk M. Effects of the Addition of Crude Fibre Concentrate on Performance, Welfare and Selected Caecal Bacteria of Broilers. Animals (Basel) 2023; 13:3883. [PMID: 38136920 PMCID: PMC10741125 DOI: 10.3390/ani13243883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/12/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
The study evaluated the effects of crude fibre concentrate supplementation on final body weight, mortality, feed conversion ratio, European Production Efficiency Factor, European Broiler Index, welfare parameters, colony-forming units of selected caecal bacteria (Enterobacteriaceae and lactic acid bacteria) and pH of broiler faeces and litter. The study comprised 990 Ross 308 male chicks divided into three groups, a control and two experimental groups, which were given crude fibre concentrate as a feed supplement. On the thirty-fifth day of rearing, the birds' welfare scores were evaluated, and 2 g of cecum was collected post-mortem from six chickens in each group. Subsequently, a series of ten-fold dilutions of the material was prepared, followed by cultures and measurement of pH in the faeces and litter. The inclusion of crude fibre concentrate resulted in a beneficial impact on the ultimate body mass (p ≤ 0.001), welfare standard (p ≤ 0.001), and quantity of colony-forming units of lactic acid bacteria (p ≤ 0.05) within the cecum. Furthermore, it had a positive influence on lowering the pH levels of both faeces and litter (p ≤ 0.05).
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Affiliation(s)
- Jakub Urban
- Department of Animal Breeding, Institute of Animal Sciences, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland; (D.B.); (M.M.)
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland; (S.J.); (A.L.)
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland; (S.J.); (A.L.)
| | - Damian Bień
- Department of Animal Breeding, Institute of Animal Sciences, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland; (D.B.); (M.M.)
| | - Arkadiusz Matuszewski
- Department of Animal Environment Biology, Institute of Animal Sciences, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland;
| | - Monika Michalczuk
- Department of Animal Breeding, Institute of Animal Sciences, Warsaw University of Life Sciences, Ciszewskiego 8, 02-786 Warsaw, Poland; (D.B.); (M.M.)
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Zielińska-Górska M, Sosnowska-Ławnicka M, Jaworski S, Lange A, Daniluk K, Nasiłowska B, Bartosewicz B, Chwalibog A, Sawosz E. Silver Nanoparticles and Graphene Oxide Complex as an Anti-Inflammatory Biocompatible Liquid Nano-Dressing for Skin Infected with Staphylococcus aureus. J Inflamm Res 2023; 16:5477-5493. [PMID: 38026239 PMCID: PMC10676867 DOI: 10.2147/jir.s431565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 10/05/2023] [Indexed: 12/01/2023] Open
Abstract
Background Bacterial skin infections, including Staphylococcus aureus, are a powerful and still not fully resolved problem. The aim of this research was to determine the possibility of using a complex of graphene oxide (GO) encrusted with silver nanoparticles as an effective antibacterial agent against S. aureus and to assess its pro-inflammatory properties. Methods The tests were carried out in vitro on EpiDerm™ Skin, an artificial skin model (MatTek in vitro Life Science Laboratories, Slovak Republic), and the fibroblast cell line (HFF-2 from ATCC, USA). Both models were infected with S. aureus bacteria (ATCC 25923) and then treated with antibiotics or our experimental factors: silver nanoparticles (AgNPs, Nano-koloid, Poland), graphene oxide (GO, NanoPoz, Poland), and complex AgNP-GO (hydrocolloid created by self-assembly). Results The antibacterial effectiveness of the AgNP-GO complex was equivalent to that of the antibiotic. In addition, an increase in the level of pro-inflammatory cytokines was observed under the influence of antibiotic administration, in contrast to the effect of AgNP-GO, which showed very limited pro-inflammatory activity. Conclusion Hydrocolloid of the AgNP-GO complex, administered in the form of a liquid dressing, may act as an antibacterial agent and also reduce inflammation induced by S. aureus infection.
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Affiliation(s)
- Marlena Zielińska-Górska
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-787, Poland
| | - Malwina Sosnowska-Ławnicka
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-787, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-787, Poland
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-787, Poland
| | - Karolina Daniluk
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-787, Poland
| | - Barbara Nasiłowska
- Institute of Optoelectronics, Military University of Technology, Warsaw, 00-908, Poland
| | - Bartosz Bartosewicz
- Institute of Optoelectronics, Military University of Technology, Warsaw, 00-908, Poland
| | - André Chwalibog
- Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, 1870, Denmark
| | - Ewa Sawosz
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-787, Poland
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Strojny-Cieślak B, Jaworski S, Wierzbicki M, Pruchniewski M, Sosnowska-Ławnicka M, Szczepaniak J, Lange A, Koczoń P, Zielińska-Górska M, Chwalibóg ES. The cytocompatibility of graphene oxide as a platform to enhance the effectiveness and safety of silver nanoparticles through in vitro studies. Environ Sci Pollut Res Int 2023:10.1007/s11356-023-30151-1. [PMID: 37824053 DOI: 10.1007/s11356-023-30151-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Accepted: 09/25/2023] [Indexed: 10/13/2023]
Abstract
The increasing emergence of antibiotic-resistant bacteria and the need to reduce the use of antibiotics call for the development of safe alternatives, such as silver nanoparticles. However, their potential cytotoxic effect needs to be addressed. Graphene oxide provides a large platform that can increase the effectiveness and safety of silver nanoparticles. Graphene oxide and silver nanoparticles complex applied as a part of an innovative material might have direct contact with human tissues, such as skin, or might be inhaled from aerosol or exfoliated pieces of the complex. Thereby, the safety of the prepared complex has to be evaluated carefully, employing a range of methods. We demonstrated the high cytocompatibility of graphene oxide and the graphene oxide-silver nanoparticles complex toward human cell lines, fetal foreskin fibroblasts (HFFF2), and lung epithelial cells (A549). The supporting platform of graphene oxide also neutralized the slight toxicity of bare silver nanoparticles. Finally, in studies on Staphylococcus aureus and Pseudomonas aeruginosa, the number of bacteria reduction was observed after incubation with silver nanoparticles and the graphene oxide-silver nanoparticles complex. Our findings confirm the possibility of employing a graphene oxide-silver nanoparticles complex as a safe agent with reduced silver nanoparticles' cytotoxicity and antibacterial properties.
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Affiliation(s)
- Barbara Strojny-Cieślak
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland.
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Mateusz Wierzbicki
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Michał Pruchniewski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Malwina Sosnowska-Ławnicka
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Jarosław Szczepaniak
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Piotr Koczoń
- Department of Chemistry, Institute of Food Sciences, Warsaw University of Life Sciences, Warsaw, Poland
| | - Marlena Zielińska-Górska
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Ewa Sawosz Chwalibóg
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
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Betlej I, Andres B, Cebulak T, Kapusta I, Balawejder M, Jaworski S, Lange A, Kutwin M, Pisulewska E, Kidacka A, Krochmal-Marczak B, Borysiuk P. Antimicrobial Properties and Assessment of the Content of Bioactive Compounds Lavandula angustifolia Mill. Cultivated in Southern Poland. Molecules 2023; 28:6416. [PMID: 37687245 PMCID: PMC10490438 DOI: 10.3390/molecules28176416] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/26/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023] Open
Abstract
Lavender is a valued plant due to its cosmetic, perfumery, culinary, and health benefits. A wide range of applications is related to the composition of bioactive compounds, the quantity and quality of which is determined by various internal and external factors, i.e., variety, morphological part of the plant, and climatic and soil conditions during vegetation. In the presented work, the characterization of antimicrobial properties as well as the qualitative and quantitative assessment of bioactive compounds in the form of polyphenols in ethanol extracts from leaves and flowers of Lavandula angustifolia Mill. intended for border hedges, cultivated in the region of southern Poland, were determined. The composition of the fraction of volatile substances and antioxidant properties were also assessed. The conducted research shows that extracts from leaves and flowers significantly affected the viability of bacterial cells and the development of mold fungi. A clear decrease in the viability of bacteria and C. albicans cells was shown in the concentration of 0.32% of extracts. Leaf extracts were characterized by a much higher content of polyphenols and antioxidant properties than flower extracts. The composition of volatiles measured by GC-MS was significantly different between the extracts. Linalyl acetate and ocimene isomers mix dominated in flower extracts, whereas coumarin, γ-cadinene, and 7-methoxycoumarin were identified as dominant in leaf extracts.
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Affiliation(s)
- Izabela Betlej
- Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland;
| | - Bogusław Andres
- Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland;
| | - Tomasz Cebulak
- Department of Food Technology and Human Nutrition, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, 4 Zelwerowicza St., 35-601 Rzeszów, Poland; (T.C.); (I.K.)
| | - Ireneusz Kapusta
- Department of Food Technology and Human Nutrition, Institute of Food Technology and Nutrition, College of Natural Sciences, University of Rzeszów, 4 Zelwerowicza St., 35-601 Rzeszów, Poland; (T.C.); (I.K.)
| | - Maciej Balawejder
- Department of Chemistry and Food Toxicology, University of Rzeszow, 1a Ćwiklińskiej St., 35-601 Rzeszow, Poland;
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 8 Ciszewskiego St., 02-786 Warsaw, Poland; (S.J.); (A.L.); (M.K.)
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 8 Ciszewskiego St., 02-786 Warsaw, Poland; (S.J.); (A.L.); (M.K.)
| | - Marta Kutwin
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 8 Ciszewskiego St., 02-786 Warsaw, Poland; (S.J.); (A.L.); (M.K.)
| | - Elżbieta Pisulewska
- Department of Plant Production and Food Safety, Carpathian State College in Krosno, 38-400 Krosno, Poland; (E.P.); (B.K.-M.)
| | - Agnieszka Kidacka
- Breeding Department, Małopolska Plant Breeding Company sp. z o. o., 4 Zbożowa St., 30-002 Kraków, Poland;
| | - Barbara Krochmal-Marczak
- Department of Plant Production and Food Safety, Carpathian State College in Krosno, 38-400 Krosno, Poland; (E.P.); (B.K.-M.)
| | - Piotr Borysiuk
- Institute of Wood Sciences and Furniture, Warsaw University of Life Sciences—SGGW, 159 Nowoursynowska St., 02-776 Warsaw, Poland;
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Kutwin M, Sosnowska M, Ostrowska A, Trzaskowski M, Lange A, Wierzbicki M, Jaworski S. Influence of GO-Antisense miRNA-21 on the Expression of Selected Cytokines at Glioblastoma Cell Lines. Int J Nanomedicine 2023; 18:4839-4855. [PMID: 37662685 PMCID: PMC10473248 DOI: 10.2147/ijn.s419957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 07/24/2023] [Indexed: 09/05/2023] Open
Abstract
Introduction Graphene oxide (GO) is a single layer of carbon atoms with unique properties, which are beneficial due to its surface functionalisation by miRNA. miRNAs are a non-coding small form of RNA that suppress the expression of protein-coding genes by translational repression or degradation of messenger RNA. Antisense miRNA-21 is very promising for future investigation in cancer therapy. This study aimed to detect cytokine expression levels after the administration of GO-antisense miRNA-21 into U87, U118, U251 and T98 glioma cell lines. Methods U87, U118, U251 and T98 glioma cell line were investigated in term of viability, human cytokine expression level at protein and genes after treatment with GO, GO-antisense miRNA-21 and antisense miRNA-21. The delivery of antisense miRNA-21 into the glioma cell at in vitro investigation were conducted by GO based transfection and electroporation. Results The results of the protein microarray and gene expression profile showed that complexes of GO-antisense miRNA-21 modified the metallopeptidase inhibitor 2 (TIMP-2), interleukin-6 (IL-6), interleukin 8 (IL-8), intercellular adhesion molecule 1 (ICAM-1), and monocyte chemoattractant protein-1 (MCP-1) expression level compared to transfection by electroporation of antisense miRNA-21 at investigated glioblastoma cell lines. The TIMP-2 protein and gene expression level was upregulated after antisense miRNA-21 delivery by GO complex into U87, U251 and T98 glioblastoma cell lines comparing to the non-treated control group. The downregulation at protein expression level of ICAM - 1 was observed at U87, U118, U251 and T98 glioma cell lines. Moreover, the IL-8 expression level at mRNA for genes and protein was decreased significantly after delivery the antisense-miRNA-21 by GO compared to electroporation as a transfection method. Discussion This work demonstrated that the graphene oxide complexes with antisense miRNA-21 can effectively modulate the cytokine mRNA and protein expression level at U87, U118, U251 and T98 glioma cell lines.
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Affiliation(s)
- Marta Kutwin
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Malwina Sosnowska
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Agnieszka Ostrowska
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Maciej Trzaskowski
- Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, Warsaw, 02-822, Poland
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Mateusz Wierzbicki
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, 02-786, Poland
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10
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Daniluk K, Lange A, Wójcik B, Zawadzka K, Bałaban J, Kutwin M, Jaworski S. Effect of Melittin Complexes with Graphene and Graphene Oxide on Triple-Negative Breast Cancer Tumors Grown on Chicken Embryo Chorioallantoic Membrane. Int J Mol Sci 2023; 24:ijms24098388. [PMID: 37176095 PMCID: PMC10179033 DOI: 10.3390/ijms24098388] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/15/2023] Open
Abstract
One of the components of bee venom is melittin (M), which has strong lysing properties on membranes. M has high toxicity to cancer cells, but it also affects healthy cells, making it necessary to use methods for targeted delivery to ensure treatment. This research is a continuation of previous studies using graphene nanomaterials as M carriers to breast cancer cells. The studies described below are conducted on a more organized biological structure than what is found in vitro cells, namely, cancerous tumors grown on a chicken embryo chorioallantoic membrane. Caspase 3 and 8 levels are analyzed, and the level of oxidative stress markers and changes in protein expression for cytokines are examined. The results show that M complexes with nanomaterials reduce the level of oxidative stress more than M alone does, but the use of graphene (GN) as a carrier increases the level of DNA damage to a greater extent than the increase caused by M alone. An analysis of cytokine levels shows that the use of the M and GN complex increases the level of proteins responsible for inhibiting tumor progression to a greater extent than the increase occasioned by a complex with graphene oxide (GO). The results suggest that the use of GN as an M carrier may increase the toxic effect of M on structures located inside a cell.
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Affiliation(s)
- Karolina Daniluk
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Barbara Wójcik
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Katarzyna Zawadzka
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Jaśmina Bałaban
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Marta Kutwin
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
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Lange A, Wutke M, Ammer S, Appel AK, Henne H, Deermann A, Traulsen I. Old breeds, new solutions? Effects of two different traditional sire breeds on skin lesions, tail lesions, tail losses, performance and behaviour of rearing pigs. Animal 2023; 17:100721. [PMID: 36857817 DOI: 10.1016/j.animal.2023.100721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 01/16/2023] [Accepted: 01/20/2023] [Indexed: 01/31/2023] Open
Abstract
Some studies indicated a relationship between modern, fast-growing, lean-meat-producing hybrid pigs and the occurrence of tail-biting, one of the major issues of conventional pig husbandry. Therefore, this study investigated the effects of different local, traditional sire breeds on the behaviour and performance of rearing pigs. Between December 2019 and November 2020, a total of 1 561 piglets were weaned from hybrid sows (Bundes Hybrid Zucht Programm (BHZP) Landrace × BHZP Large White) that were paired with either Swabian-Hall (SH), Bentheim Black Pied (BB) or BHZP-Piétrain (Pi) boars. Tails of the piglets were left intact (43.5%) or docked (56.5%), and male piglets were castrated. Piglets were conventionally reared on fully slatted plastic flooring in mixed-sex groups. Starting one day after weaning, skin lesions were scored once per pig, and tail lesions and losses were scored weekly until the end of rearing. The average daily gain was documented for the suckling and rearing period. The activity behaviour of eight focal pens was analysed using video recordings. Differences between modern and traditional breeds were found in this study for so-called aggressive and non-aggressive biting pronounced by skin and tail lesions and tail losses. Significantly fewer BB pigs had severe skin lesions on the front body than SH or Pi pigs (P < 0.05). Additionally, piglets that were classified as light (<5.6 kg) at weaning showed skin lesion scores of 0 more often than piglets that were classified with a medium (≥5.6-≤8.3 kg) or heavy (>8.3 kg) weaning weight (P < 0.05). In the first half of the rearing period, significantly more BB pigs were assessed as having no tail lesions and tail losses than SH and Pi pigs (P < 0.01). However, these differences disappeared in the second half of rearing. Either docked or undocked Pi pigs had significantly higher average daily gains than SH and BB pigs (P < 0.05). The activity of the focal pens was not influenced by the sire breed or tail lesion class, which might be due to the limited sample size of eight pens. To conclude, the use of the traditional sire breed BB has the potential to reduce injurious behaviour in the offspring. However, adjustments to the housing and feeding should be taken to further reduce the incidence of tail lesions and losses and to enhance performance.
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Affiliation(s)
- A Lange
- Department of Animal Sciences, Livestock Systems, Georg-August-University, Albrecht-Thaer-Weg 3, 37075 Göttingen, Germany.
| | - M Wutke
- Department of Animal Sciences, Breeding Informatics Group, Georg-August-University, Margarethe von Wrangell-Weg 7, 37075 Göttingen, Germany
| | - S Ammer
- Department of Animal Sciences, Livestock Systems, Georg-August-University, Albrecht-Thaer-Weg 3, 37075 Göttingen, Germany
| | - A K Appel
- BHZP GmbH, An der Wassermühle 8, 21368 Dahlenburg-Ellringen, Germany
| | - H Henne
- BHZP GmbH, An der Wassermühle 8, 21368 Dahlenburg-Ellringen, Germany
| | - A Deermann
- ASB GmbH, Boschstraße 9, 49770 Herzlake, Germany
| | - I Traulsen
- Department of Animal Sciences, Livestock Systems, Georg-August-University, Albrecht-Thaer-Weg 3, 37075 Göttingen, Germany
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Honarpisheh M, Lei Y, Zhang Y, Pehl M, Kemter E, Kraetzl M, Lange A, Wolf E, Wolf-van Buerck L, Seissler J. Formation of Re-Aggregated Neonatal Porcine Islet Clusters Improves In Vitro Function and Transplantation Outcome. Transpl Int 2022; 35:10697. [PMID: 36685665 PMCID: PMC9846776 DOI: 10.3389/ti.2022.10697] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Accepted: 11/30/2022] [Indexed: 12/24/2022]
Abstract
Neonatal porcine islet-like cell clusters (NPICCs) are a promising source for islet cell transplantation. Excellent islet quality is important to achieve a cure for type 1 diabetes. We investigated formation of cell clusters from dispersed NPICCs on microwell cell culture plates, evaluated the composition of re-aggregated porcine islets (REPIs) and compared in vivo function by transplantation into diabetic NOD-SCID IL2rγ-/- (NSG) mice with native NPICCs. Dissociation of NPICCs into single cells and re-aggregation resulted in the formation of uniform REPI clusters. A higher prevalence of normoglycemia was observed in diabetic NSG mice after transplantation with a limited number (n = 1500) of REPIs (85.7%) versus NPICCs (n = 1500) (33.3%) (p < 0.05). Transplanted REPIs and NPICCs displayed a similar architecture of endocrine and endothelial cells. Intraperitoneal glucose tolerance tests revealed an improved beta cell function after transplantation of 1500 REPIs (AUC glucose 0-120 min 6260 ± 305.3) as compared to transplantation of 3000 native NPICCs (AUC glucose 0-120 min 8073 ± 536.2) (p < 0.01). Re-aggregation of single cells from dissociated NPICCs generates cell clusters with excellent functionality and improved in vivo function as compared to native NPICCs.
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Affiliation(s)
- M. Honarpisheh
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum - Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, Munich, Germany
| | - Y. Lei
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum - Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, Munich, Germany
| | - Y. Zhang
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum - Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, Munich, Germany
| | - M. Pehl
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum - Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, Munich, Germany
| | - E. Kemter
- Chair for Molecular Animal Breeding and Biotechnology, Gene Centre and Department of Veterinary Sciences, Ludwig-Maximilians-Universität München, Munich, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - M. Kraetzl
- Chair for Molecular Animal Breeding and Biotechnology, Gene Centre and Department of Veterinary Sciences, Ludwig-Maximilians-Universität München, Munich, Germany
| | - A. Lange
- Chair for Molecular Animal Breeding and Biotechnology, Gene Centre and Department of Veterinary Sciences, Ludwig-Maximilians-Universität München, Munich, Germany
| | - E. Wolf
- Chair for Molecular Animal Breeding and Biotechnology, Gene Centre and Department of Veterinary Sciences, Ludwig-Maximilians-Universität München, Munich, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
| | - L. Wolf-van Buerck
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum - Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, Munich, Germany
| | - J. Seissler
- Medizinische Klinik und Poliklinik IV, Diabetes Zentrum - Campus Innenstadt, Klinikum der Ludwig-Maximilians-Universität München, Munich, Germany
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Daniluk K, Lange A, Pruchniewski M, Małolepszy A, Sawosz E, Jaworski S. Delivery of Melittin as a Lytic Agent via Graphene Nanoparticles as Carriers to Breast Cancer Cells. J Funct Biomater 2022; 13:jfb13040278. [PMID: 36547538 PMCID: PMC9787603 DOI: 10.3390/jfb13040278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/12/2022] Open
Abstract
Melittin, as an agent to lyse biological membranes, may be a promising therapeutic agent in the treatment of cancer. However, because of its nonspecific actions, there is a need to use a delivery method. The conducted research determined whether carbon nanoparticles, such as graphene and graphene oxide, could be carriers for melittin to breast cancer cells. The studies included the analysis of intracellular pH, the potential of cell membranes, the type of cellular transport, and the expression of receptor proteins. By measuring the particle size, zeta potential, and FT-IT analysis, we found that the investigated nanoparticles are connected by electrostatic interactions. The level of melittin encapsulation with graphene was 86%, while with graphene oxide it was 78%. A decrease in pHi was observed for all cell lines after administration of melittin and its complex with graphene. The decrease in membrane polarization was demonstrated for all lines treated with melittin and its complex with graphene and after exposure to the complex of melittin with graphene oxide for the MDA-MB-231 and HFFF2 lines. The results showed that the investigated melittin complexes and the melittin itself act differently on different cell lines (MDA-MB-231 and MCF-7). It has been shown that in MDA-MD-231 cells, melittin in a complex with graphene is transported to cells via caveolin-dependent endocytosis. On the other hand, the melittin-graphene oxide complex can reach breast cancer cells through various types of transport. Other differences in protein expression changes were also observed for tumor lines after exposure to melittin and complexes.
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Affiliation(s)
- Karolina Daniluk
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Michał Pruchniewski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Artur Małolepszy
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, 00-654 Warsaw, Poland
| | - Ewa Sawosz
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
- Correspondence: ; Tel.: +48-225936675
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14
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Lange A, Sawosz E, Daniluk K, Wierzbicki M, Małolepszy A, Gołębiewski M, Jaworski S. Bacterial Surface Disturbances Affecting Cell Function during Exposure to Three-Compound Nanocomposites Based on Graphene Materials. Nanomaterials (Basel) 2022; 12:3058. [PMID: 36080095 PMCID: PMC9459733 DOI: 10.3390/nano12173058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/19/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Combating pathogenic microorganisms in an era of ever-increasing drug resistance is crucial. The aim of the study was to evaluate the antibacterial mechanism of three-compound nanocomposites that were based on graphene materials. To determine the nanomaterials' physicochemical properties, an analysis of the mean hydrodynamic diameter and zeta potential, transmission electron microscope (TEM) visualization and an FT-IR analysis were performed. The nanocomposites' activity toward bacteria species was defined by viability, colony forming units, conductivity and surface charge, cell wall integrity, ATP concentration, and intracellular pH. To ensure the safe usage of nanocomposites, the presence of cytokines was also analyzed. Both the graphene and graphene oxide (GO) nanocomposites exhibited a high antibacterial effect toward all bacteria species (Enterobacter cloacae, Listeria monocytogenes, Salmonella enterica, and Staphylococcus aureus), as well as exceeded values obtained from exposure to single nanoparticles. Nanocomposites caused the biggest membrane damage, along with ATP depletion. Nanocomposites that were based on GO resulted in lower toxicity to the cell line. In view of the many aspects that must be considered when investigating such complex structures as are three-component nanocomposites, studies of their mechanism of action are crucial to their potential antibacterial use.
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Affiliation(s)
- Agata Lange
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Ewa Sawosz
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Karolina Daniluk
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Mateusz Wierzbicki
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Artur Małolepszy
- Faculty of Chemical and Process Engineering, Warsaw University of Technology, 00-654 Warsaw, Poland
| | - Marcin Gołębiewski
- Department of Animal Breeding, Institute of Animal Sciences, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
| | - Sławomir Jaworski
- Department of Nanobiotechnology, Institute of Biology, Warsaw University of Life Sciences, 02-786 Warsaw, Poland
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15
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Lange A, Palka P, Huntress H, Steindl J. Incremental Role Of Ct Coronary Angiography In The Assessment Of Left Ventricular Diastolic Function. J Cardiovasc Comput Tomogr 2021. [DOI: 10.1016/j.jcct.2021.06.217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kamińska-Sobczak A, Karska E, Lange A, Kardas-Sobantka D. Erythema nodosum in a child with Salmonella Enteritidis infection. Pediatr Med Rodz 2021. [DOI: 10.15557/pimr.2021.0026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The paper discusses a case of erythema nodosum in an almost 2-year-old boy diagnosed for fever and skin lesions on the extensor parts of the lower legs. Extended medical history and diagnosis allowed to identify Salmonella Enteritidis as the culprit of symptoms. This entity is rarely found in the paediatric population, especially in children <2 years of age. It clinically manifests with small, painful, red to purple subcutaneous nodules, mostly developing in the lower extremities. Only few cases of correlation between erythema nodosum and this serotype of Salmonella have been described in the available literature. Reminding general practitioners and paediatricians of the basic information about the possible course of the disease will allow for earlier differential diagnosis and more rapid and appropriate treatment.
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Lange A, Weixler V, Kramer P, Romanchenko O, Murin P, Mykychak Y, Cho MY, Berger F, Dähnert I, Photiadis J. 30 Years of Surgical Repair of Complex D-Transposition of the Great Arteries: How to Avoid Outflow Tract Obstructions? Thorac Cardiovasc Surg 2021. [DOI: 10.1055/s-0041-1725697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Lange A, Jaworski S, Khan A. The Interaction of Metal Nanoparticles (Copper, Silver, Platinum, and Gold) with Cell Line HS-5. Folia Biol (Praha) 2020. [DOI: 10.3409/fb_68-3.11] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
The usage of metal nanoparticles has gained popularity due to their unique properties. However, their effect on living cells is so far, unknown. The objective of the current study was to explain the actions of copper, platinum, silver, and gold nanoparticles in respect to cell functions.
In order to check the nanoparticles' features, a physicochemical analysis and morphological observation was executed using a transmission electron microscope. The viability of the cells used to detect the nanoparticles' toxicity was tested using a XTT cell proliferation assay. A scratch test
confirmed the cells' ability to migrate after being treated with an increasingly larger concentration of metal nanoparticles. The results showed that silver nanoparticles are the most harmful to the HS-5 cell line in a dose-dependent manner. Additionally, copper and gold nanoparticles had
the highest percentage of cell proliferation and movement ability.
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Abstract
ZusammenfassungDie Verkehrsmedizin als Teil der Rechtsmedizin erfüllt in der Schweiz eine wichtige präventive Aufgabe in der Sicherung aller Verkehrsteilnehmer: Sie begutachtet die medizinisch basierte Fahrfähigkeit und Fahreignung. Als empirisch konsolidiertes Querschnittsfach hat sie Informationen aus einer Vielzahl von medizinischen Fachgebieten. Wie reagiert die Verkehrsmedizin aber auf den vermehrten Anspruch evidenzbasierter Gutachten und auf anstehende Herausforderungen?Über einen historischen Abriss motivierten wir die Vorteile und das Potential einer teilweise durch Fahrsimulation ergänzten Untersuchung und einer dediziert auf Fahrsimulation basierenden, klinisch-prospektiven Forschung.Neben vorhandener Literatur stützen sich historische Aspekte u.a. auf vorhandene Expertise. Die Bewertung der Fahrsimulation für die Verkehrs- bzw. Rechtsmedizin der Schweiz stützt sich auf die Diskussion selektierter Literatur.Auftrag und Anspruch der Verkehrsmedizin haben sich mehrfach verändert. Eine übersichtsartige Betrachtung existenter Literatur legt nahe, dass massgeschneiderte Fahrsimulatoren Teil einer modernisierten Verkehrsmedizin sein können, um anstehende Herausforderungen adäquat adressieren zu können. Bisher existiert kein derartiges dediziertes Forschungsinstrument in der Schweiz.Eine auf verkehrsmedizinische Fragestellungen massgeschneiderte, realitätsnahe und niedrigschwellige Fahrsimulation als Werkzeug für klinische Studien und Individualuntersuchungen verspricht neben einer wissenschaftlichen Produktivität einen umsetzbaren und vermittelbaren Mehrwert für das übergeordnete Ziel der Sicherheit aller Verkehrsteilnehmer.
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Affiliation(s)
- A. Lange
- Technische Universität Hamburg Institut für Prozess- und Anlagentechnik Am Schwarzenberg-Campus 4 21075 Hamburg Deutschland
| | - G. Fieg
- Technische Universität Hamburg Institut für Prozess- und Anlagentechnik Am Schwarzenberg-Campus 4 21075 Hamburg Deutschland
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Abstract
Nowadays, the application of alternative methods instead of clinical treatment creates a new possibility to prevent the development of diseases. Medicinal plants such as Sambucus nigra have been well known due to their extraordinary properties. The similarity to synthetic substances makes it potentially dependable; however, a high concentration of cyanogenic glycosides may exert detrimental consequences. It has been documented that Sambucus nigra extracts are used against both human and animal viruses, like influenza A and B viruses, human immunodeficiency virus (HIV), dengue virus (DENV-2), human herpesvirus type 1 (HSV-1) and human coronavirus NL63 (HCoV-NL63). Such reports are notably valuable especially considering the widespread usage of commercial drugs, which could be ineffective. This review provides insight on recent research on the health properties of plant Sambucus nigra as an antiviral medication that may help propose new therapy.
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Affiliation(s)
- Michalina Bartak
- Division of Microbiology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland
| | - Agata Lange
- Department of Nanobiotechnology and Experimental Ecology, Institute of Biology, Warsaw University of Life Sciences, Warsaw, Poland
| | - Anna Słonska
- Division of Microbiology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland
| | - Joanna Cymerys
- Division of Microbiology, Department of Preclinical Sciences, Institute of Veterinary Medicine, Warsaw University of Life Sciences, Warsaw, Poland
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Paszkiewicz-Kozik E, Michalski W, Taszner M, Knopińska-Posłuszny W, Mordak-Domagała M, Najda J, Borawska A, Romejko-Jarosińska J, Chełstowska M, Świerkowska M, Dąbrowska-Iwanicka A, Malenda A, Druzd-Sitek A, Konecki R, Kuniega B, Osowiecki M, Ostrowska B, Szpila T, Domańska-Czyż K, Szymański M, Targoński Ł, Poplawska L, Kotarska M, Giebel S, Lange A, Pluta A, Warzocha K, Zaucha J, Rymkiewicz G, Walewski J. OFATUMUMAB WITH IVAC FOR DLBCL PATIENTS WHO FAILED R-CHOP AND WERE NOT CANDIDATES FOR HIGH-DOSE THERAPY AND ASCT - PHASE 2 TRIAL OF THE POLISH LYMPHOMA RESEARCH GROUP (PLRG-8). Hematol Oncol 2019. [DOI: 10.1002/hon.111_2631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- E. Paszkiewicz-Kozik
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - W. Michalski
- Biostatistics Unit; Maria Sklodowska-Curie Institute - Oncology Center; Warsaw Poland
| | - M. Taszner
- Hematology Department; Medical University; Gdansk Poland
| | - W. Knopińska-Posłuszny
- Hematology Department; Independent Public Health Care of the Ministry of the Internal Affairs with the Oncology Centre; Olsztyn Poland
| | - M. Mordak-Domagała
- Hematology Department; Lower Silesia Cell Transplantation Center; Wroclaw Poland
| | - J. Najda
- Hematology Department; Maria Sklodowska-Curie Institute - Oncology Center; Gliwice Poland
| | - A. Borawska
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - J. Romejko-Jarosińska
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - M. Chełstowska
- Lymphoma Department; Institute of Hematology and Transfusiology; Warszawa Poland
| | - M. Świerkowska
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - A. Dąbrowska-Iwanicka
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - A. Malenda
- Lymphoma Department; Institute of Hematology and Transfusiology; Warszawa Poland
| | - A. Druzd-Sitek
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - R. Konecki
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - B. Kuniega
- Hematology Department; Oncology Centre of the Podkarpackie Province; Brzozów Poland
| | - M. Osowiecki
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - B. Ostrowska
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - T. Szpila
- Lymphoma Department; Institute of Hematology and Transfusiology; Warszawa Poland
| | - K. Domańska-Czyż
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - M. Szymański
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - Ł. Targoński
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - L. Poplawska
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - M. Kotarska
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - S. Giebel
- Hematology Department; Maria Sklodowska-Curie Institute - Oncology Center; Gliwice Poland
| | - A. Lange
- Hematology Department; Lower Silesia Cell Transplantation Center; Wroclaw Poland
| | - A. Pluta
- Hematology Department; Oncology Centre of the Podkarpackie Province; Brzozów Poland
| | - K. Warzocha
- Lymphoma Department; Institute of Hematology and Transfusiology; Warszawa Poland
| | - J. Zaucha
- Oncology Department; Maritime Hospital; Gdynia Poland
| | - G. Rymkiewicz
- Pathology Department; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
| | - J. Walewski
- Department of Lymphoid Malignancies; Maria Sklodowska-Curie Institute - Oncology Center; Warszawa Poland
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Gomulka K, Liebhart J, Jaskula E, Lange A, Medrala W. The -2549 -2567 del18 Polymorphism in VEGF and Irreversible Bronchoconstriction in Asthmatics. J Investig Allergol Clin Immunol 2018; 29:431-435. [PMID: 30574871 DOI: 10.18176/jiaci.0369] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND While the importance of vascular endothelial growth factor (VEGF) in the pathogenesis of several diseases (eg, neoplasms) has been proven, its role in asthma, especially in terms of the potential associations between genetic variants of VEGF and airway remodeling, has received relatively little attention. Objectives: This study aimed to evaluate the possible connection between a genetic factor, ie, the polymorphism del/ins in the VEGF promoter region, and airway remodeling potential in asthmatics with and without irreversible bronchoconstriction. MATERIAL AND METHODS The study population comprised 82 patients with asthma (of whom 42 had irreversible bronchoconstriction) and a group of 40 controls. DNA was isolated from peripheral blood leukocytes. Polymerase chain reaction was used to type the VEGF (18-bp deletion/insertion) gene polymorphism at loci -2549 -2567. Other factors (ie, smoking, disease duration) were also taken into consideration. RESULTS The del/del genotype was found in 74.39% of patients with asthma (P=.031; OR=2.38), 80.95% of patients with irreversible bronchoconstriction (P=.012; OR=3.48), and 67.5% patients with reversible bronchoconstriction (P=.251; OR=1.70). The proportion of smokers to nonsmokers was higher (P=.032) and disease duration was longer (P=.041) in patients with irreversible bronchoconstriction than in those with reversible bronchoconstriction. CONCLUSIONS Our results showed that the risk of irreversible bronchoconstriction in asthmatics was associated with the presence of the del18 genotype at the -2549 -2567 position in the promoter region of the VEGF gene, as were disease duration and other factors such as smoking.
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Affiliation(s)
- K Gomulka
- Department of Internal Medicine, Pneumology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - J Liebhart
- Department of Internal Medicine, Pneumology and Allergology, Wroclaw Medical University, Wroclaw, Poland
| | - E Jaskula
- Laboratory of Clinical Immunology, L. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Science and Lower Silesian Cell Transplant Centre and National Bank of Bone Marrow Donors, Wroclaw, Poland
| | - A Lange
- Laboratory of Clinical Immunology, L. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Science and Lower Silesian Cell Transplant Centre and National Bank of Bone Marrow Donors, Wroclaw, Poland
| | - W Medrala
- Department of Internal Medicine, Pneumology and Allergology, Wroclaw Medical University, Wroclaw, Poland
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Bott N, Lange A, Rentz D, Buffalo E, Clopton P, Zola S. A - 01Web Camera Based Eye Tracking on a Visual Paired Comparison Task: Replication and Relationships with Preclinical Alzheimer Cognitive Indices. Arch Clin Neuropsychol 2018. [DOI: 10.1093/arclin/acy061.01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Arnold L, Keller B, Lange A, Szagun B. „Mein Haus, mein Auto, mein Boot“. Zufriedenheit mit dem Lebensstandard als geschlechtsspezifischer Mortalitätsprädiktor. Gesundheitswesen 2018; 80:S88-S96. [DOI: 10.1055/s-0042-102348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Zusammenfassung
Hintergrund: Männer haben ein höheres Mortalitätsrisiko als Frauen und reagieren wesentlich sensibler auf statusbezogene Stressbelastungen. Mögliche Erklärungen für die stärker ausgeprägte männliche Empfindlichkeit liefert der über die HPA-Achse vermittelte Zusammenhang zwischen hierarchischem Rang und Gesundheit. Viel Aufmerksamkeit hat in diesem Zusammenhang das Konstrukt des Statusunbehagens erfahren, wonach soziale Vergleichsprozesse das generelle Wohlbefinden senken und als wesentliche Risikofaktoren für verschiedene Erkrankungen angesehen werden.
Methodik: Mittels Sekundärdatenanalyse des sozio-ökonomischen Panels (SOEP) soll analysiert werden, inwiefern die subjektive Unzufriedenheit mit dem eigenen Lebensstandard mit einem erhöhten geschlechtsabhängigen Mortalitätsrisiko assoziiert werden kann. Zur statistischen Modellierung der Fragestellung werden geschlechtsdifferenzierte Cox-Regressionsmodelle berechnet. Die unbalancierte Teilstichprobe umfasst 6 963 Männer (764 Todesfälle) und 7 461 Frauen (663 Todesfälle).
Ergebnisse: Unzufriedenheit mit dem eigenen Lebensstandard hat einen signifikanten Einfluss auf das Mortalitätsrisiko von Männern nicht jedoch von Frauen. Unzufriedene Männer weisen ein nahezu doppelt so hohes Mortalitätsrisiko auf als die Referenzgruppe (HR=1,95, 95% KI 1,48–2,58), Männer mit mittlerer Zufriedenheit ein um 25% höheres Mortalitätsrisiko (HR=1,26, 95% KI 1,08–1,49). Außerdem zeigt der subjektive Statusindikator stärkere Dosis-Wirkungs-Beziehungen als die klassischen objektiven Statusparameter.
Schlussfolgerung: Unzufriedenheit mit dem eigenen Lebensstandard kann mit einem erhöhten geschlechtsabhängigen Mortalitätsrisiko in Verbindung gebracht werden und erweist sich als klarer Prädiktor insbesondere für die männliche Mortalität. Eine zentrale Ursache können über die HPA-Achse vermittelte Stressreaktionen aufgrund von herabsetzenden sozialen Vergleichsprozessen zu sein. Die Ergebnisse sprechen für eine standardisierte Einbeziehung subjektiver Statusindikatoren; der ausgeprägte Geschlechterunterschied legt darüber hinaus eine geschlechtergerechte epidemiologische Datenanalyse nahe.
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Affiliation(s)
- L. Arnold
- Fakultät Soziale Arbeit, Gesundheit und Pflege, Hochschule Ravensburg-Weingarten, Weingarten
| | - B. Keller
- ZHAW Zürcher Hochschule für Angewandte Wissenschaften, Zentrum für Gesundheitswissenschaften, Bachelorstudiengang Gesundheitsförderung und Prävention, Winterthur, Schweiz
| | - A. Lange
- Fakultät Soziale Arbeit, Gesundheit und Pflege, Hochschule Ravensburg-Weingarten, Weingarten
| | - B. Szagun
- Fakultät Soziale Arbeit, Gesundheit und Pflege, Hochschule Ravensburg-Weingarten, Weingarten
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Lange A, Plaku-Alakbarova B, Yeh J, Messerlian C, Toth T. Female, male, and joint couple BMI are associated with infertilty among users of a large U.S. fertilty app. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Messerlian C, Plaku-Alakbarova B, Lange A, Yeh J, Toth T, Hauser R. Self-reported home and work stress and trying to conceive - using big data in the study of infertility. Fertil Steril 2017. [DOI: 10.1016/j.fertnstert.2017.07.880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Witalis E, Mikoluc B, Motkowski R, Sawicka-Powierza J, Chrobot A, Didycz B, Lange A, Mozrzymas R, Milanowski A, Nowacka M, Piotrowska-Depta M, Romanowska H, Starostecka E, Wierzba J, Skorniewska M, Wojcicka-Bartlomiejczyk BI, Gizewska M, Car H. Phenylketonuria patients' and their parents' knowledge and attitudes to the daily diet - multi-centre study. Nutr Metab (Lond) 2017; 14:57. [PMID: 28824701 PMCID: PMC5559804 DOI: 10.1186/s12986-017-0207-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Accepted: 07/31/2017] [Indexed: 11/10/2022] Open
Abstract
Background The aim of the study was to assess both patients’ and their parents’ knowledge of phenylketonuria (PKU) treatment and compliance with PKU diet. Methods The study included 173 PKU patients aged 10–19 and 110 parents of PKU children who were enrolled in the study on the basis of questionnaire data. The study also included 45 patients aged ≥20. Results Our study demonstrated that only 45% (n = 74) of PKU patients knew daily Phe intake recommendations, 27% of patients (n = 41) knew the Phe content in a minimum of three out of four researched food products. Patients’ knowledge concerning Phe intake (p = 0.0181) and the knowledge of selected food products (p = 0.041819) improved with age. We did not establish such a correlation in the group of PKU children’s parents. Approximately 31% of patients and 22% of parents reported helplessness, which increased with the child’s age, associated with the necessity to adhere to the diet; 30% of patients reported feeling ashamed of the fact that they could not eat all food products. Regardless of age, children were more likely than parents to report helplessness (p = 0.032005). Among patients, 41.40% declared that they would wish to select products unassisted but their parents did not permit them to do so. The question of whether parents teach children self-reliance in meal preparation was answered affirmatively by 98% of parents and only 81% of children (p = 0.0001). Conclusion Our data demonstrated that parents’ and children’s knowledge concerning treatment recommendations and food products does not have a direct impact on attitude to the PKU diet. Limiting children’s independence in meal selection, growing helplessness in the face of dietary adherence and shame resulting from the necessity to follow a different diet observed in PKU families are responsible for shaping and perpetuating a consistently negative attitude to the diet. The care of PKU paediatric patients requires consistent, long-term family and individual therapy which may counteract the effects of learned helplessness. In regard to the educational effort, a good parent-child relationship as well as the teaching of behaviours motivating patients to comply with the diet are of great importance. Electronic supplementary material The online version of this article (doi:10.1186/s12986-017-0207-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ewa Witalis
- Medical and Rehabilitation Centre in Gdansk, Gdansk, Poland
| | - Bozena Mikoluc
- Department of Pediatrics, Rheumatology, Immunology and Metabolic Bone Diseases, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland
| | - Radoslaw Motkowski
- Department of Pediatrics, Rheumatology, Immunology and Metabolic Bone Diseases, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland
| | | | | | - Bozena Didycz
- Polish-American Institute of Pediatrics, Cracow, Poland
| | - Agata Lange
- Polish Mother's Memorial Hospital, Lodz, Poland
| | - Renata Mozrzymas
- Department of Pediatrics, Regional Specialis Hospital, Research and Development Centre, Wrocław, Poland
| | | | - Maria Nowacka
- National Institute of Mother and Child, Warsaw, Poland
| | - Mariola Piotrowska-Depta
- Department of Pediatrics, Rheumatology, Immunology and Metabolic Bone Diseases, Medical University of Bialystok, ul. Waszyngtona 17, 15-274 Bialystok, Poland
| | - Hanna Romanowska
- Department of Pediatrics, Endocrinology, Diabetology, Metabolic Diseases and Cardiology, Pomeranian Medical University, Szczecin, Poland
| | | | - Jolanta Wierzba
- Department of Pediatrics, Hematology and Oncology Medical University of Gdansk, Gdansk, Poland
| | | | | | - Maria Gizewska
- Department of Pediatrics, Endocrinology, Diabetology, Metabolic Diseases and Cardiology, Pomeranian Medical University, Szczecin, Poland
| | - Halina Car
- Department of Experimental Pharmacology, Medical University of Bialystok, Bialystok, Poland
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Siol V, Lange A, Prenzler A, Neubauer S, Frank M. [Willingness of Students of Economics to Pay for Predictive Oncological Genetic Testing - An Empirical Analysis]. Gesundheitswesen 2017; 79:425-437. [PMID: 28575925 DOI: 10.1055/s-0035-1547300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Objectives: The present study aims to investigate the interest of young adults in predictive oncological genetic testing and their willingness to pay for such a test. Furthermore, major determinants of the 2 variables of interest were identified. Methods: 348 students of economics from the Leibniz University of Hanover were queried in July 2013 using an extensive questionnaire. Among other things, the participants were asked if they are interested in information about the probability to develop cancer in the future and their willingness to pay for such information. Data were analysed using descriptive statistics and ordinal probit regressions. Additionally marginal effects were calculated. Results: About 50% of the students were interested in predictive oncological genetic testing and were willing to pay for the test. Moreover, the participants who were willing to pay for the test partly attach high monetary values to the information that could so be obtained. The study shows that the interest of the students and their willingness to pay were primarily influenced by individual attitudes and perceptions. Conclusions: The study proves that young adults were interested in predictive genetic testing and appreciate information about their probability of develop cancer someday.
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Affiliation(s)
- V Siol
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Hannover
| | - A Lange
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Hannover
| | - A Prenzler
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Hannover
| | - S Neubauer
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Hannover
| | - M Frank
- Center for Health Economics Research Hannover (CHERH), Leibniz Universität Hannover, Hannover
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Krüger P, Schmidt F, Otto S, Lange A, Langner S. Röntgenaufnahmen des pädiatrischen Thorax im Kontext der aktuellen Leitlinien der Europäischen Kommission – Sind die Vorgaben in der täglichen Routine realisierbar? ROFO-FORTSCHR RONTG 2017. [DOI: 10.1055/s-0037-1600486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- P Krüger
- Universitätsmedizin Greifswald, Institut für Diagnostische Radiologie und Neuroradiologie, Greifswald
| | - F Schmidt
- Universitätsmedizin Greifswald, Institut für Diagnostische Radiologie und Neuroradiologie, Greifswald
| | - S Otto
- Universitätsmedizin Greifswald, Institut für Diagnostische Radiologie und Neuroradiologie, Greifswald
| | - A Lange
- Universitätsmedizin Greifswald, Klinik und Poliklinik für Kinder- und Jugendmedizin, Greifswald
| | - S Langner
- Universitätsmedizin Greifswald, Institut für Diagnostische Radiologie und Neuroradiologie, Greifswald
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Müller T, August P, Jesse M, Lange A. Diagnosis of an Invisible Iris Cyst Using Autorefractometry and Anterior Segment Optical Coherence Tomography. Klin Monbl Augenheilkd 2017; 234:604-605. [DOI: 10.1055/s-0042-122913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- T. Müller
- Vista Klinik, Hauptstrasse 55, 4102 Binningen, Switzerland
| | - P. August
- Augenarztpraxis am Marktplatz, Gerbergasse 1, 4001 Basel, Switzerland
| | - M. Jesse
- Vista Klinik, Hauptstrasse 55, 4102 Binningen, Switzerland
| | - A. Lange
- Vista Klinik, Hauptstrasse 55, 4102 Binningen, Switzerland
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Ebert DD, Donkin L, Andersson G, Andrews G, Berger T, Carlbring P, Rozenthal A, Choi I, Laferton JAC, Johansson R, Kleiboer A, Lange A, Lehr D, Reins JA, Funk B, Newby J, Perini S, Riper H, Ruwaard J, Sheeber L, Snoek FJ, Titov N, Ince BÜ, van Bastelaar K, Vernmark K, van Straten A, Warmerdam L, Salsman N, Cuijpers P. Does Internet-based guided-self-help for depression cause harm? An individual participant data meta-analysis on deterioration rates and its moderators in randomized controlled trials. Psychol Med 2016; 46:2679-2693. [PMID: 27649340 PMCID: PMC5560500 DOI: 10.1017/s0033291716001562] [Citation(s) in RCA: 103] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
BACKGROUND Almost nothing is known about the potential negative effects of Internet-based psychological treatments for depression. This study aims at investigating deterioration and its moderators within randomized trials on Internet-based guided self-help for adult depression, using an individual patient data meta-analyses (IPDMA) approach. METHOD Studies were identified through systematic searches (PubMed, PsycINFO, EMBASE, Cochrane Library). Deterioration in participants was defined as a significant symptom increase according to the reliable change index (i.e. 7.68 points in the CES-D; 7.63 points in the BDI). Two-step IPDMA procedures, with a random-effects model were used to pool data. RESULTS A total of 18 studies (21 comparisons, 2079 participants) contributed data to the analysis. The risk for a reliable deterioration from baseline to post-treatment was significantly lower in the intervention v. control conditions (3.36 v. 7.60; relative risk 0.47, 95% confidence interval 0.29-0.75). Education moderated effects on deterioration, with patients with low education displaying a higher risk for deterioration than patients with higher education. Deterioration rates for patients with low education did not differ statistically significantly between intervention and control groups. The benefit-risk ratio for patients with low education indicated that 9.38 patients achieve a treatment response for each patient experiencing a symptom deterioration. CONCLUSIONS Internet-based guided self-help is associated with a mean reduced risk for a symptom deterioration compared to controls. Treatment and symptom progress of patients with low education should be closely monitored, as some patients might face an increased risk for symptom deterioration. Future studies should examine predictors of deterioration in patients with low education.
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Affiliation(s)
- D. D. Ebert
- Friedrich Alexander University Erlangen-Nuremberg, Erlangen, Germany
| | - L. Donkin
- The Brain and Mind Research Institute, University of Sydney, NSW, Australia
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
| | - G. Andersson
- Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - G. Andrews
- Clinical Research Unit for Anxiety and Depression, School of Psychiatry, University of New South Wales at St Vincent’s Hospital, Darlinghurst, NSW, Australia
| | - T. Berger
- Department of Clinical Psychology and Psychotherapy, University of Bern, Bern, Switzerland
| | - P. Carlbring
- Department of Psychology, Stockholm University, Sweden
| | - A. Rozenthal
- Department of Psychology, Stockholm University, Sweden
| | - I. Choi
- Brain and Mind Centre, University of Sydney, Sydney, Australia
| | | | - R. Johansson
- Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
- Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden
| | - A. Kleiboer
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
| | - A. Lange
- Department of Clinical Psychology, University of Amsterdam, Amsterdam, The Netherlands
| | - D. Lehr
- Leuphana University Lüneburg, Germany
| | | | - B. Funk
- Leuphana University Lüneburg, Germany
| | - J. Newby
- Clinical Research Unit for Anxiety and Depression, School of Psychiatry, University of New South Wales at St Vincent’s Hospital, Darlinghurst, NSW, Australia
| | - S. Perini
- Centre for Emotional Health, Macquarie University, Australia
| | - H. Riper
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
| | - J. Ruwaard
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
| | - L. Sheeber
- Oregon Research Institute, Eugene, Oregon, USA
| | - F. J. Snoek
- Department of Medical Psychology, VU University Medical Center Amsterdam, The Netherlands
- Academic Medical Center/University of Amsterdam, The Netherlands
| | - N. Titov
- eCentreClinic and MindSpot Clinic, Department of Psychology, Macquarie University, Australia
| | - B. Ünlü Ince
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
| | - K. van Bastelaar
- Department of Medical Psychology, VU University Medical Center Amsterdam, The Netherlands
| | - K. Vernmark
- Department of Behavioural Sciences and Learning, Linköping University, Linköping, Sweden
- Psykologpartners, Private Practice, Linköping, Sweden
| | - A. van Straten
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
| | - L. Warmerdam
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
| | - N. Salsman
- School of Psychology, Xavier University, Cincinnati, USA
| | - P. Cuijpers
- Department of Clinical, Neuro and Developmental Psychology, VU University Amsterdam, the Netherlands
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Lange A, Yeh J, Messerlian C, Hauser R, Chavarro J, Gaskins A, Toth T. Smartphone fertility app use among couples of reproductive age: potential use of big data to improve fertility care and advance reproductive health research. Fertil Steril 2016. [DOI: 10.1016/j.fertnstert.2016.07.318] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Klein A, Lange A, Stelzenmueller W. Physiotherapeutische Interventionen als Mittel der Wahl bei kraniomandibulärer Dysfunktion? Manuelle Medizin 2016. [DOI: 10.1007/s00337-016-0150-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Kasch R, Baum P, Dokter M, Zygmunt M, Wirkner J, Lange A, Fröhlich S, Merk H, Kasch J. Nursing Practicum in Gynaecology and Obstetrics - Early Influence Possibilities for a Specialty. Geburtshilfe Frauenheilkd 2015; 75:1270-1275. [PMID: 26726269 DOI: 10.1055/s-0035-1558053] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Background: The shortage of skilled personnel is ubiquitous, basic and further training is a key aspect in the recruitment of new medical colleagues. The significance of the nursing practicum in its function as gateway to the gynaecology and obstetrics discipline is practically unexplored. Methods: In an online questionnaire, medical students in all German faculties were questioned about the practica in their courses. The questionnaire reached 9079 medical students. 149 participants in nursing practica were selectively asked to answer 140 questions. We analysed those students who could, on the basis of their experiences in nursing practica, imagine undertaking an internship (clinical elective) in gynaecology (internship yes "Iy") separately from those who could not or were still undecided (internship no "In" or, respectively, internship perhaps "Ip"). Results: Altogether 149 medical students who participated in a nursing practicum in the gynaecology discipline were selected, of these 94.9 % were female. 92 (61.7 %) of the students replied that, after their gynaecological nursing practicum, they wanted to undertake an internship in gynaecology (Iy); 39 (26.2 %) answered negatively (In) and 18 (12.1 %) were still undecided (Ip). With regard to the parameters gender, age and duration of study, there were no significant differences among the 3 groups (χ2 0.83). Besides the didactic and professional quality of the training, Iy also mentioned having had a higher practical orientation. They attained their aims more frequently, were better integrated in the health-care team and acquired more practical competences. Satisfaction with the practicum was evaluated as highest among the Iy. Discussion: Those students who could imagine taking an internship in gynaecology were seen to be more satisfied with their practica than those participants who declined or were undecided. The high proportion of females is an early indicator for a feminisation of the specialty. If necessary this could be countered with the help of nursing management.
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Affiliation(s)
- R Kasch
- Klinik für Orthopädie und Orthopädische Chirurgie, Universitätsmedizin Greifswald, Greifswald
| | - P Baum
- Klinik für Orthopädie und Orthopädische Chirurgie, Universitätsmedizin Greifswald, Greifswald
| | - M Dokter
- Institut für Anatomie, Universitätsmedizin Greifswald, Greifswald
| | - M Zygmunt
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Universitätsmedizin Greifswald, Greifswald
| | - J Wirkner
- Klinik für Innere Medizin A, Universitätsmedizin Greifswald, Greifswald
| | - A Lange
- Klinik für Kinder- und Jugendmedizin, Universitätsmedizin Greifswald, Greifswald
| | - S Fröhlich
- Klinik für Orthopädie, Universitätsmedizin Rostock, Rostock
| | - H Merk
- Klinik für Orthopädie und Orthopädische Chirurgie, Universitätsmedizin Greifswald, Greifswald
| | - J Kasch
- Klinik und Poliklinik für Frauenheilkunde und Geburtshilfe, Universitätsmedizin Greifswald, Greifswald
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Hosemann R, Hentschel M, Lange A, Uther B, Brückner R. Dreidimensionale Analyse der parakristallinen Struktur von Kieselglas. Z KRIST-CRYST MATER 2015. [DOI: 10.1524/zkri.1984.169.14.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Lange A, Carignan C, Minguez-Alarcon L, Williams P, Calafat A, Toth T, Hauser R. Triclosan exposure and treatment outcomes in women undergoing in vitro fertilization. Fertil Steril 2015. [DOI: 10.1016/j.fertnstert.2015.07.264] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Lange A, Karmon A, Murtadi G, Souter I, Petrozza J. Can anti-Mullerian hormone (AMH) levels predict clinical pregnancy rates (CPR) in ovulation induction/intrauterine insemination (OI/IUI) cycles? Fertil Steril 2015. [DOI: 10.1016/j.fertnstert.2015.07.362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Kazankov K, Møller HJ, Lange A, Birkebaek NH, Holland-Fischer P, Solvig J, Hørlyck A, Kristensen K, Rittig S, Handberg A, Vilstrup H, Grønbaek H. The macrophage activation marker sCD163 is associated with changes in NAFLD and metabolic profile during lifestyle intervention in obese children. Pediatr Obes 2015; 10:226-33. [PMID: 25073966 DOI: 10.1111/ijpo.252] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2014] [Revised: 05/03/2014] [Accepted: 06/25/2014] [Indexed: 02/06/2023]
Abstract
BACKGROUND Obesity is associated with metabolic derangement and non-alcoholic fatty liver disease (NAFLD). Macrophages are involved in liver inflammation and fibrosis, and soluble (s)CD163 is a macrophage activation marker. OBJECTIVES To associate sCD163 with parameters of paediatric obesity and NAFLD, as well as changes in these parameters during lifestyle intervention. METHODS We studied 117 obese children during a 10-week lifestyle intervention; 71 completed the 12-month follow-up. We recorded clinical and biochemical data, and performed liver ultrasonography. RESULTS Baseline sCD163 was higher in children with elevated alanine transaminase (ALT) (2.3 ± 0.7 vs. 2.0 ± 0.6 mg L(-1), P = 0.03), steatosis (2.3 ± 0.7 vs. 2.0 ± 0.6 mg L(-1), P = 0.01) and high paediatric NAFLD fibrosis index (2.3 ± 0.7 vs. 1.9 ± 0.6 mg L(-1) , P = 0.03). Baseline sCD163 was independently associated with ALT, cholesterol and high-sensitivity C-reactive protein (hs-CRP). The change in sCD163 during lifestyle intervention was associated with changes in ALT, homeostatic model assessment of insulin resistance (HOMA-IR), hs-CRP and cholesterol, and inversely associated with the change in high-density lipoprotein cholesterol. CONCLUSION sCD163 was associated with markers of liver injury and metabolic parameters in obese children, and changes in these parameters during lifestyle intervention. This may suggest that activated macrophages play a role in NAFLD and sCD163 may serve as a marker of liver disease severity and treatment effect.
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Affiliation(s)
- K Kazankov
- Department of Hepatology and Gastroenterology, Aarhus University Hospital, Aarhus, Denmark
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Rodrigues M, Rabêlo F, Bernardi D, Lange A. Análise econômica de consórcios de Brachiaria brizantha com culturas graníferas anuais voltados para a recuperação de pastagens na Amazônia. ACTA ACUST UNITED AC 2015. [DOI: 10.5039/agraria.v10i1a5084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Lange A, Jaskula E. Can determination of gene polymorphism be of practical value in tailoring the treatment of HSCT patients? Bone Marrow Transplant 2015; 50:161-2. [PMID: 25649165 DOI: 10.1038/bmt.2014.295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- A Lange
- 1] L. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland [2] Lower Silesian Center for Cellular Transplantation with National Bone Marrow Donor Registry, Wroclaw, Poland
| | - E Jaskula
- 1] L. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland [2] Lower Silesian Center for Cellular Transplantation with National Bone Marrow Donor Registry, Wroclaw, Poland
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Wetzka S, Fleßa S, Lange A, Zygmunt M. Epidemiological and Financial Burden of Preterm Labor Hospitalizations - An Analysis of German Claims Data. Value Health 2014; 17:A507. [PMID: 27201549 DOI: 10.1016/j.jval.2014.08.1549] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Affiliation(s)
- S Wetzka
- Department of Health Care Management, Faculty of Law and Economics, Ernst-Moritz-Arndt-University Greifswald, Greifswald, Germany
| | - S Fleßa
- Department of Health Care Management, Faculty of Law and Economics, Ernst-Moritz-Arndt-University Greifswald, Greifswald, Germany
| | - A Lange
- Department of Neonatology and Pediatric Intensive Care, Hospital for Pediatrics, University of Greifswald, Greifswald, Germany
| | - M Zygmunt
- Department of Obstetrics and Gynecology, University of Greifswald, Greifswald, Germany
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Jaskula E, Lange A, Dlubek D, Kyrcz-Krzemień S, Markiewicz M, Dzierzak-Mietla M, Jedrzejczak WW, Gronkowska A, Nowak J, Warzocha K, Hellmann A, Kowalczyk J, Drabko K, Goździk J, Mizia S. IL-10 promoter polymorphisms influence susceptibility to aGvHD and are associated with proportions of CD4+FoxP3+ lymphocytes in blood after hematopoietic stem cell transplantation. ACTA ACUST UNITED AC 2014; 82:387-96. [PMID: 24498995 DOI: 10.1111/tan.12255] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2013] [Revised: 09/13/2013] [Accepted: 10/21/2013] [Indexed: 01/17/2023]
Abstract
Four hundred and ninety-five patients (390 and 105 grafted from unrelated and sibling (SIB) donors, respectively) and their donors were analyzed for the impact of interleukin-10 (IL-10) promoter genotype [rs18000896 (-1082 G/A), rs18000871 (-819 C/T) and rs18000872 (-592 C/A)] on the outcome of hematopoietic stem cell transplantation (HSCT). Patients having ACC haplotype were at a lower risk of acute graft versus host disease (aGvHD, grade > I) if transplanted from human leukocyte antigen (HLA) well-matched (10/10) unrelated donors (20/135 vs 39/117, P < 0.001, Pcorr = 0.002), which was not seen if patients were transplanted from either sibling (SIB) or poorly matched (<10/10) unrelated donors (MUD). In addition, GCC haplotype positive recipients of unrelated donor transplants tended to be more susceptible to aGvHD (68/199 vs 39/169, P = 0.019, Pcorr = 0.057). Multivariate logistic regression analysis in the MUD transplanted group showed that donor-recipient human leukocyte antigen (HLA) mismatch [odds ratio (OR) = 3.937, P = 0.001] and a lack of ACC haplotype in recipients (OR = 0.417, P = 0.013) played a significant role as independent risk factors of aGvHD grade > I. ACC carriers had higher proportions of FoxP3+ lymphocytes gated in CD4+ lymphocytes as compared with patients with other IL-10 haplotypes. It was seen at the time of hematological recovery (mean ± SEM: 3.80 ± 0.91% vs 2.06 ± 0.98%, P = 0.012) and 2 weeks later (5.32 ± 0.87% vs 2.50 ± 0.83%, P = 0.013); -592 C/A polymorphism was separately analyzed and it was found that AA homozygotes tended to have a higher incidence of aGvHD (8/15 vs 116/456, P = 0.034) and low proportions of FoxP3 CD4+ lymphocytes in blood (0.43 ± 0.22% vs 4.32 ± 0.71%, P = 0.051) measured 2 weeks after hematological recovery. Functional IL-10 polymorphism associated features influenced the risk of aGvHD with a positive effect of ACC on the pool of Treg in blood.
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Affiliation(s)
- E Jaskula
- L. Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, Wroclaw, Poland
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Lange A, Zeidler J, Braun S. One-year disease-related health care costs of incident vertebral fractures in osteoporotic patients. Osteoporos Int 2014; 25:2435-43. [PMID: 25001983 DOI: 10.1007/s00198-014-2776-4] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Accepted: 06/13/2014] [Indexed: 10/25/2022]
Abstract
SUMMARY The study aims to estimate the direct disease-related costs of osteoporotic vertebral compression fractures (OVCF) in patients with newly diagnosed fracture in the first year after index in Germany. Analyses reveal that OVCFs are associated with significant costs. In light of high and increasing incidence, the results emphasize importance of research in this field. INTRODUCTION OVCF are among the most common fractures related to osteoporosis. They have been shown to be associated with excess mortality and meaningful healthcare costs. Costs calculations have illustrated the significant financial burden to society and national social security systems. However, this information is not available for Germany. Therefore, aim of the study was to estimate the direct disease-related costs of OVCF in patients with newly diagnosed fracture in the first year after index in Germany. METHODS Data were obtained from a claims dataset of a large German health insurance fund. Subjects ≥ 60 years with a new vertebral fracture between 2006 and 2010 were studied retrospectively compared to a matched paired OVCF-free patient group. All-cause and fracture-specific medical costs were calculated in the 1-year baseline and follow-up period. Generalized linear model (GLM) was estimated for total follow-up healthcare cost. RESULTS A total of 2,277 pairs of matched OVCF and OVCF-free patients were included in the analysis. Baseline costs were higher in the OVCF group. Mean unadjusted all-cause healthcare cost difference in the four quarters following the index date between OVCF and OVCF-free patients was 8,200 <euro> (p < 0.001). Of the difference, almost two third was attributable to inpatient services and one quarter to prescription drug costs. The GLM procedure revealed that OVCF-related costs in the first year after the index date add up to 6,490 <euro> (p < 0.001; CI 5,809 <euro>-6,731 <euro>). CONCLUSIONS Despite limitations of this study, our results are consistent with other research and demonstrate that OVCFs are associated with significant costs. The results underline the importance of medical interventions that can help to prevent fractures and treatments, which are cost-effective and can prevent recurrent fractures.
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Affiliation(s)
- A Lange
- Center for Health Economics Research Hannover (CHERH), Leibniz University Hannover, Koenigsworther Platz 1, 30167, Hannover, Germany,
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Bauer G, Lange A, Gribova N, Holm C, Gross J. Effective potentials between gold nano crystals – functional dependence on temperature. Molecular Simulation 2014. [DOI: 10.1080/08927022.2014.951521] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Hausen HZ, Reinauer H, Fröhlich J, Lange A. Lipidspeicherung in permanenten Mäusefibroblasten (L-strain, Earle) in Abhängigkeit von der Serumkonzentration Histochemische und quantitative Untersuchungen. ACTA ACUST UNITED AC 2014. [DOI: 10.1515/znb-1964-1210] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Es wird über Untersuchungen an einem permanenten Zellstamm (Mäusefibroblasten, L-strain, Earle) in der Gewebekultur berichtet, die sich mit der Lipidspeicherung dieser Zellen in Abhängigkeit von der Serumkonzentration befassen. Die Untersuchungen wurden morphologisch im Phasenkontrastmikroskop, histochemisch mittels der Sudanschwarz-B-Färbung sowie quantitativ vorgenommen.
Bei steigender Serumzugabe zeigt sich eine zunehmende Lipideinlagerung, die als Speicherungsprozeß gedeutet wird. Eine gewisse Absättigung der Lipidaufnahme scheint mit 20-proz. Serumzusatz erreicht zu sein, da sich darüber hinaus keine Zunahme mehr beobachten ließ.
Bei hohem Serumzusatz (ca. 40%) zum Nährmedium kommt es zu einer relativ verringerten Aufnahme von Phospholipiden bei Zunahme der Neutralfette.
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Affiliation(s)
- H. Zur Hausen
- Aus dem Institut für Hygiene und Mikrobiologie
- Physiologisch-Chemischen Institut der Medizinischen Akademie Düsseldorf
| | - H. Reinauer
- Aus dem Institut für Hygiene und Mikrobiologie
- Physiologisch-Chemischen Institut der Medizinischen Akademie Düsseldorf
| | - J. Fröhlich
- Aus dem Institut für Hygiene und Mikrobiologie
- Physiologisch-Chemischen Institut der Medizinischen Akademie Düsseldorf
| | - A. Lange
- Aus dem Institut für Hygiene und Mikrobiologie
- Physiologisch-Chemischen Institut der Medizinischen Akademie Düsseldorf
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Lange A, Zimmermann MO, Boeckler MF. Scaffold dependencies for halogen bonding: quantum mechanical investigation of nitrogen-bearing heterocycles. J Cheminform 2014. [PMCID: PMC3980075 DOI: 10.1186/1758-2946-6-s1-p16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Klos K, Lange A, Matziolis G, Wagner A. [Tibiocalcaneal arthrodesis with retrograde nails. Description of a hindfoot procedure after massive talus destruction]. Orthopade 2014; 42:364-6, 368-70. [PMID: 23624611 DOI: 10.1007/s00132-013-2086-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Following loss of the talus, tibiocalcaneal fusion is often the only available means of obtaining weight-bearing ability in the lower limb. Length discrepancy may be managed with an allograft. This casuistic describes 6 patients with tibiocalcaneal fusion (mean age 64 years) who had received a structural femoral head allograft fusion for failed total ankle arthroplasty (3 cases), Charcot arthropathy (2 cases) and osteomyelitis (1 case). The mean follow-up was 33 months and all limbs could be salvaged. There were two cases of non-union (one with infection). The mean AOFAS score was 51 and the mean Mazur score was 37. In the SF-36 the mean PCS was 34.4 and the mean MCS was 48.4. It was shown that in the hindfoot, as at other sites, allografts may be used for the filling of major bone defects; however, the patient function will still be massively impaired. Therefore, the procedure should be confined to cases where less complex and less invasive techniques are unlikely to be of benefit.
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Affiliation(s)
- K Klos
- Department Hand- und Fußchirurgie, Klinik für Orthopädie Waldkrankenhaus Rudolf Elle GmbH, Friedrich-Schiller-Universität Jena, Eisenberg, Deutschland.
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Kempe A, Lautenschläger T, Lange A, Neinhuis C. How to become a tree without wood--biomechanical analysis of the stem of Carica papaya L. Plant Biol (Stuttg) 2014; 16:264-271. [PMID: 23656471 DOI: 10.1111/plb.12035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2012] [Accepted: 03/10/2013] [Indexed: 06/02/2023]
Abstract
Carica papaya L. does not contain wood, according to the botanical definition of wood as lignified secondary xylem. Despite its parenchymatous secondary xylem, these plants are able to grow up to 10-m high. This is surprising, as wooden structural elements are the ubiquitous strategy for supporting height growth in plants. Proposed possible alternative principles to explain the compensation for lack of wood in C. papaya are turgor pressure of the parenchyma, lignified phloem fibres in the bark, or a combination of the two. Interestingly, lignified tissue comprises only 5-8% of the entire stem mass. Furthermore, the phloem fibres do not form a compact tube enclosing the xylem, but instead form a mesh tubular structure. To investigate the mechanism of papaya's unusually high mechanical strength, a set of mechanical measurements were undertaken on whole stems and tissue sections of secondary phloem and xylem. The structural Young's modulus of mature stems reached 2.5 GPa. Since this is low compared to woody plants, the flexural rigidity of papaya stem construction may mainly be based on a higher second moment of inertia. Additionally, stem turgor pressure was determined indirectly by immersing specimens in sucrose solutions of different osmolalities, followed by mechanical tests; turgor pressure was between 0.82 and 1.25 MPa, indicating that turgor is essential for flexural rigidity of the entire stem.
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Affiliation(s)
- A Kempe
- Department of Biology, Faculty of Science, Institute of Botany, Technische Universität Dresden, Dresden, Germany
| | - T Lautenschläger
- Department of Biology, Faculty of Science, Institute of Botany, Technische Universität Dresden, Dresden, Germany
| | - A Lange
- Department of Biology, Faculty of Science, Institute of Botany, Technische Universität Dresden, Dresden, Germany
| | - C Neinhuis
- Department of Biology, Faculty of Science, Institute of Botany, Technische Universität Dresden, Dresden, Germany
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Bik-Multanowski M, Kaluzny L, Mozrzymas R, Oltarzewski M, Starostecka E, Lange A, Didycz B, Gizewska M, Ulewicz-Filipowicz J, Chrobot A, Mikoluc B, Szymczakiewicz-Multanowska A, Cichy W, Pietrzyk JJ. Molecular genetics of PKU in Poland and potential impact of mutations on BH4 responsiveness. Acta Biochim Pol 2013. [DOI: 10.18388/abp.2013_2029] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Tetrahydrobiopterin (BH4) has been recently approved as a treatment of patients with phenylketonuria. However, as a confirmation of BH4-responsiveness, it might require a very expensive trial treatment with BH4 or prolonged BH4-loading procedures. The selection of patients eligible for BH4-therapy by means of genotyping of the PAH gene mutations may be recommended as a complementary approach. A population-wide genotyping study was carried out in 1286 Polish phenyloketonuria-patients. The aim was to estimate the BH4 demand and to cover prospectively the treatment by a National Health Fund. A total of 95 types of mutations were identified. Genetic variants corresponding with probable BH4-responsiveness were found in 28.2% of cases. However, patients with mild or classical phenylketonuria who require continuous treatment accounted for 11.4% of the studied population only. Analysis of the published data shows similar percentage of the "BH4-responsive" variants of a PAH gene in patients from other countries of Eastern Europe. Therefore, it can be concluded, that the proportion of phenylketonuria-patients who could benefit from the use of BH4 reaches approximately 10% in the entire region.
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