Search Results - "Stepniak, Jan"

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  1. 1

    Melatonin reduces high levels of lipid peroxidation induced by potassium iodate in porcine thyroid by Iwan, Paulina, Stepniak, Jan, Karbownik-Lewinska, Malgorzata

    “…Iodine is essential for thyroid hormone synthesis. Under normal iodine supply, calculated physiological iodine concentration in the thyroid is approx. 9 mM…”
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  2. 2

    Sexual Dimorphism of NADPH Oxidase/H₂O₂ System in Rat Thyroid Cells; Effect of Exogenous 17β-Estradiol by Stepniak, Jan, Lewinski, Andrzej, Karbownik-Lewinska, Malgorzata

    “…It has long been observed that females are more susceptible to thyroid diseases than males. Epidemiological and experimental data show that actions of hormonal…”
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  3. 3

    Pro-Oxidative Effect of KIO3 and Protective Effect of Melatonin in the Thyroid—Comparison to Other Tissues by Iwan, Paulina, Stepniak, Jan, Karbownik-Lewinska, Malgorzata

    Published in Life (Basel, Switzerland) (21-06-2021)
    “…Not only iodine deficiency, but also its excess may contribute to thyroid cancer. Potassium iodate (KIO3), which is broadly used in the salt iodization…”
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  4. 4

    Cumulative Protective Effect of Melatonin and Indole-3-Propionic Acid against KIO3—Induced Lipid Peroxidation in Porcine Thyroid by Iwan, Paulina, Stepniak, Jan, Karbownik-Lewinska, Malgorzata

    Published in Toxics (Basel) (21-04-2021)
    “…Iodine deficiency is the main environmental factor leading to thyroid cancer. At the same time iodine excess may also contribute to thyroid cancer. Potassium…”
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    Percentage of Myeloid Dendritic Cells in Peripheral Venous Blood Is Negatively Related to Incidence of Graves’ Orbitopathy by Wojciechowska-Durczynska, Katarzyna, Wieczorek-Szukala, Katarzyna, Stefanski, Borys, Zygmunt, Arkadiusz, Stepniak, Jan, Karbownik-Lewinska, Małgorzata, Lewinski, Andrzej

    Published in Mediators of inflammation (2021)
    “…The aim of the study was to evaluate the distribution of blood dendritic cells (DCs) in patients with Graves’ orbitopathy (GO) and to assess the influence of…”
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  7. 7

    Melatonin reverses the enhanced oxidative damage to membrane lipids and improves skin biophysical characteristics in former-smokers - A study in postmenopausal women by Sagan, Dorota, Stepniak, Jan, Gesing, Adam, Lewinski, Andrzej, Karbownik-Lewinska, Malgorzata

    “…Protective antioxidative effects of melatonin have been repeatedly documented in experimental and clinical studies. One of the most spectacular exogenous…”
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  8. 8

    High normal TSH is associated with lower mannan-binding lectin in women of childbearing age by Karbownik-Lewinska, Malgorzata, Stepniak, Jan, Marcinkowska, Magdalena, Krygier, Adrian, Lewinski, Andrzej

    Published in BMC endocrine disorders (03-01-2020)
    “…Mannan-binding lectin (MBL) is a main component of the lectin pathway of the complement system. Lower MBL levels are associated with, among other conditions,…”
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    Protective Effects of Melatonin against Carcinogen-Induced Oxidative Damage in the Thyroid by Stępniak, Jan, Karbownik-Lewińska, Małgorzata

    Published in Cancers (01-05-2024)
    “…Melatonin, primarily synthesized in the pineal gland, plays a crucial role in regulating circadian rhythms and possesses significant antioxidative properties…”
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  11. 11

    Iodine as a potential endocrine disruptor—a role of oxidative stress by Karbownik-Lewińska, Małgorzata, Stępniak, Jan, Iwan, Paulina, Lewiński, Andrzej

    Published in Endocrine (2022)
    “…Purpose Iodine is an essential micronutrient required for thyroid hormone biosynthesis. However, overtreatment with iodine can unfavorably affect thyroid…”
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  12. 12

    Melatonin and Indole-3-Propionic Acid Reduce Oxidative Damage to Membrane Lipids Induced by High Iron Concentrations in Porcine Skin by Rynkowska, Aleksandra, Stępniak, Jan, Karbownik-Lewińska, Małgorzata

    Published in Membranes (Basel) (29-07-2021)
    “…Iron excess in tissues results in increased oxidative damage. Among different tissues, the skin can particularly be severely damaged by oxidative stress, as it…”
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  13. 13

    17β-Estradiol Stimulates Oxidative Stress Components and Thyroid Specific Genes in Porcine Thyroid Follicular Cells: Potential Differences Between Sexes by Stępniak, Jan, Karbownik-Lewińska, Małgorzata

    Published in Cells (Basel, Switzerland) (01-11-2024)
    “…17β-estradiol plays a crucial role in regulating cellular processes in both reproductive and non-reproductive tissues, including the thyroid gland. It…”
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  14. 14

    Fenton Reaction-Induced Oxidative Damage to Membrane Lipids and Protective Effects of 17β-Estradiol in Porcine Ovary and Thyroid Homogenates by Rynkowska, Aleksandra, Stępniak, Jan, Karbownik-Lewińska, Małgorzata

    “…The Fenton reaction (Fe +H O →Fe + OH+OH ) results in strong oxidative damage to macromolecules when iron (Fe) or hydrogen peroxide (H O ) are in excess. This…”
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  15. 15

    Indole-3-Butyric Acid, a Natural Auxin, Protects against Fenton Reaction-Induced Oxidative Damage in Porcine Thyroid by Skoczyńska, Anna K, Gładysz, Aleksandra K, Stępniak, Jan, Karbownik-Lewińska, Małgorzata

    Published in Nutrients (06-09-2024)
    “…We present results on the potential protective antioxidant properties of indole-3-butyric acid. Indole-3-butyric acid is an indole derivative defined as an…”
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  16. 16

    Decreased mannan-binding lectin level in adults with hypopituitarism; dependence on appropriate hormone replacement therapies by Matusiak, Aleksandra E, Stępniak, Jan, Lewiński, Andrzej, Karbownik-Lewińska, Małgorzata

    Published in Frontiers in immunology (12-04-2023)
    “…Mannan-binding lectin (MBL) is a main component of the lectin pathway of the complement system. Although there are some studies showing links between endocrine…”
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  17. 17

    Sorafenib versus Lenvatinib Causes Stronger Oxidative Damage to Membrane Lipids in Noncancerous Tissues of the Thyroid, Liver, and Kidney: Effective Protection by Melatonin and Indole-3-Propionic Acid by Stępniak, Jan, Krawczyk-Lipiec, Joanna, Lewiński, Andrzej, Karbownik-Lewińska, Małgorzata

    Published in Biomedicines (01-11-2022)
    “…Sorafenib and lenvatinib are multi-targeted tyrosine kinase inhibitors which are currently approved to treat advanced hepatocellular carcinoma, renal cell…”
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  18. 18

    Exogenous Melatonin Protects against Oxidative Damage to Membrane Lipids Caused by Some Sodium/Iodide Symporter Inhibitors in the Thyroid by Gładysz, Aleksandra K, Stępniak, Jan, Karbownik-Lewińska, Małgorzata

    Published in Antioxidants (29-08-2023)
    “…The thyroid gland is the primary site of sodium/iodide symporter (NIS), an intrinsic plasma membrane protein responsible for the active uptake of iodine, which…”
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  19. 19

    The Protective Effect of Exogenous 17β-Estradiol against Experimentally Induced Oxidative Damage to Membrane Lipids Is Stronger in Male vs. Female Porcine Thyroids: Preliminary Results by Stępniak, Jan, Koziróg, Edward, Karbownik-Lewińska, Małgorzata

    Published in Toxics (Basel) (01-09-2023)
    “…It is well-known that thyroid diseases are more prevalent in women than in men. The contribution of sex hormones may explain such disparity. The aim of this…”
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  20. 20

    Less Favorable Lipid Profile and Higher Prevalence of Thyroid Antibodies in Women of Reproductive Age with High-Normal TSH-Retrospective Study by Karbownik-Lewińska, Małgorzata, Stępniak, Jan, Żurawska, Anna, Lewiński, Andrzej

    “…High-normal TSH can be associated with metabolic abnormalities and infertility. Aims of this study are to analyze retrospectively if routinely measured blood…”
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