Search Results - "Grzegorz Szewczyk"

Modulation of the Inflammatory Response in Polycystic Ovary Syndrome (PCOS)-Searching for Epigenetic Factors by Szukiewicz, Dariusz, Trojanowski, Seweryn, Kociszewska, Anna, Szewczyk, Grzegorz

“…Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women of reproductive age. Despite its incidence, the syndrome is poorly understood…”
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The Role of Sirtuin-1 (SIRT1) in the Physiology and Pathophysiology of the Human Placenta by Wątroba, Mateusz, Szewczyk, Grzegorz, Szukiewicz, Dariusz

“…Sirtuins, especially SIRT1, play a significant role in regulating inflammatory response, autophagy, and cell response to oxidative stress. Since their…”
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Mast Cell Activation Syndrome in COVID-19 and Female Reproductive Function: Theoretical Background vs. Accumulating Clinical Evidence by Szukiewicz, Dariusz, Wojdasiewicz, Piotr, Watroba, Mateusz, Szewczyk, Grzegorz

“…Coronavirus disease 2019 (COVID-19), a pandemic disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection, can affect almost all…”
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Aerobic photoreactivity of synthetic eumelanins and pheomelanins: generation of singlet oxygen and superoxide anion by Szewczyk, Grzegorz, Zadlo, Andrzej, Sarna, Michal, Ito, Shosuke, Wakamatsu, Kazumasa, Sarna, Tadeusz

“…Summary In this work, we examined photoreactivity of synthetic eumelanins, formed by autooxidation of DOPA, or enzymatic oxidation of…”
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Photocatalytic Generation of Oxygen Radicals by the Water-Soluble Bacteriochlorophyll Derivative WST11, Noncovalently Bound to Serum Albumin by Ashur, Idan, Goldschmidt, Ruth, Pinkas, Iddo, Salomon, Yoram, Szewczyk, Grzegorz, Sarna, Tadeusz, Scherz, Avigdor

“…Light-induced radical generation is the hallmark of fundamental processes and many applications including photosynthesis and photodynamic therapy (PDT). In…”
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Lipofuscin-mediated photic stress inhibits phagocytic activity of ARPE-19 cells; effect of donors' age and antioxidants by Olchawa, Magdalena M, Furso, Justyna A, Szewczyk, Grzegorz M, Sarna, Tadeusz J

“…The risk of chronic oxidative stress in the retinal pigment epithelium (RPE) increases with age due to accumulation of the photoreactive age pigment lipofuscin…”
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Serum N-terminal brain natriuretic peptide as a prognostic parameter in patients with pulmonary hypertension by Fijalkowska, Anna, Kurzyna, Marcin, Torbicki, Adam, Szewczyk, Grzegorz, Florczyk, Michal, Pruszczyk, Piotr, Szturmowicz, Monika

“…Baseline prognostic assessment in patients with pulmonary hypertension (PH) may help in the selection of treatment. High plasma levels of natriuretic peptide…”
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The effect of aging and antioxidants on photoreactivity and phototoxicity of human melanosomes: An in vitro study by Olchawa, Magdalena M., Szewczyk, Grzegorz M., Zadlo, Andrzej C., Krzysztynska‐Kuleta, Olga I., Sarna, Tadeusz J.

“…Aging may significantly modify antioxidant and photoprotective properties of melanin in retinal pigment epithelium (RPE). Here, photoreactivity of melanosomes…”
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Characteristics of the workplace of harvester operators in Poland by Gaj-Gielarowiec, Dominika, Gielarowiec, Karol, Szewczyk, Grzegorz, Tylek, Paweł

“…The objective of the presented research was to create an average image of a harvester operator in Poland and to identify factors influencing the degree of…”
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Roles of reactive oxygen species in UVA-induced oxidation of 5,6-dihydroxyindole-2-carboxylic acid-melanin as studied by differential spectrophotometric method by Ito, Shosuke, Kikuta, Marina, Koike, Shota, Szewczyk, Grzegorz, Sarna, Michal, Zadlo, Andrzej, Sarna, Tadeusz, Wakamatsu, Kazumasa

“…Summary Eumelanin photoprotects pigmented tissues from ultraviolet (UV) damage. However, UVA‐induced tanning seems to result from the photooxidation of…”
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Photodynamic Inactivation of Candida albicans with Imidazoacridinones: Influence of Irradiance, Photosensitizer Uptake and Reactive Oxygen Species Generation by Taraszkiewicz, Aleksandra, Szewczyk, Grzegorz, Sarna, Tadeusz, Bielawski, Krzysztof P, Nakonieczna, Joanna

“…The increasing applicability of antifungal treatments, the limited range of available drug classes and the emergence of drug resistance in Candida spp. suggest…”
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Neuromelanin can protect against iron-mediated oxidative damage in system modeling iron overload of brain aging and Parkinson's disease by Zecca, Luigi, Casella, Luigi, Albertini, Alberto, Bellei, Chiara, Zucca, Fabio A, Engelen, Mireille, Zadlo, Andrzej, Szewczyk, Grzegorz, Zareba, Mariusz, Sarna, Tadeusz

“…In Parkinson's disease (PD), dopamine neurons containing neuromelanin selectively degenerate. Neuromelanin binds iron and accumulates in aging. Iron…”
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Estimation of Productivity and Costs of Using a Track Mini-Harvester with a Stroke Head for the First Commercial Thinning of a Scots Pine Stand by Krzysztof Leszczyński, Arkadiusz Stańczykiewicz, Dariusz Kulak, Grzegorz Szewczyk, Paweł Tylek

“…The aim of the present work was to estimate the productivity and costs of timber harvesting and forwarding during the first commercial thinning of a Scots pine…”
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Inhibition of phagocytic activity of ARPE-19 cells by free radical mediated oxidative stress by Olchawa, Magdalena M, Pilat, Anna K, Szewczyk, Grzegorz M, Sarna, Tadeusz Jan

“…Oxidative stress is a main factor responsible for key changes leading to the onset of age-related macular degeneration (ARMD) that occur in the retinal pigment…”
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Productivity and Time Consumption of Timber Extraction with a Grapple Skidder in Selected Pine Stands by Arkadiusz Stańczykiewicz, Grzegorz Szewczyk, Dariusz Kulak

“…This paper presents the results of the study on work time and productivity of the John Deere 548G-III grapple skidder operating in pine stands on flat terrain…”
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Effectiveness and Injury Risk during Timber Forwarding with a Quad Bike in Early Thinning by Arkadiusz Stańczykiewicz, Dariusz Kulak, Krzysztof Leszczyński, Grzegorz Szewczyk, Paweł Kozicki

“…Within the majority of forest areas where timber is harvested for industrial and energy purposes, working technologies using highly efficient multi-operational…”
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SuperDopa (SD), SuperDopa amide (SDA) and Thioredoxin-mimetic peptides protect ARPE-19 cells from photic- and non-photic stress by Olchawa, Magdalena M, Szewczyk, Grzegorz, Lachish, Marva, Sarna, Tadeusz, Atlas, Daphne

“…Oxidative stress and inflammation in the retinal pigment epithelium (RPE) cells have been identified as significant risk factors in the development and…”
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Research of chipper knives with a modified cutting edge for the production of dimensionally uniform wood chips by Krilek, Jozef, Gendek, Arkadiusz, Aniszewska, Monika, Szewczyk, Grzegorz, Ťavodová, Miroslava, Spinelli, Raffaele, Kováč, Ján, Malaťák, Jan, Kormanek, Mariusz, Mancel, Vladimír, Kuvik, Tomáš

“…The paper is focused on the research of chipper knives with a straight and modified cutting edge in order to determine the energy consumption of the chipping…”
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Estrogen- and Progesterone (P4)-Mediated Epigenetic Modifications of Endometrial Stromal Cells (EnSCs) and/or Mesenchymal Stem/Stromal Cells (MSCs) in the Etiopathogenesis of Endometriosis by Szukiewicz, Dariusz, Stangret, Aleksandra, Ruiz-Ruiz, Carmen, Olivares, Enrique G, Soriţău, Olga, Suşman, Sergiu, Szewczyk, Grzegorz

“…Endometriosis is a common chronic inflammatory condition in which endometrial tissue appears outside the uterine cavity. Because ectopic endometriosis cells…”
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A [60]fullerene nanoconjugate with gemcitabine: synthesis, biophysical properties and biological evaluation for treating pancreatic cancer by Nalepa, Paweł, Gawecki, Robert, Szewczyk, Grzegorz, Balin, Katarzyna, Dulski, Mateusz, Sajewicz, Mieczysław, Mrozek-Wilczkiewicz, Anna, Musioł, Robert, Polanski, Jaroslaw, Serda, Maciej

“…Background The first-line chemotherapy drug that is used to treat pancreatic ductal adenocarcinoma is gemcitabine. Unfortunately, its effectiveness is hampered…”
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