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Maria Jastrzębska, Mariusz Kaczmarczyk, Małgorzata Michalczyk, Łukasz Radzimiński, Piotr Stępień, Joanna Jastrzębska, Dorota Wakuluk, Arturo Díaz Suárez, Guillermo Felipe López Sánchez, Paweł Cięszczyk, Piotr Godlewski, Paweł Król and Zbigniew Jastrzębski

Introduction The role of active vitamin D in calcium-phosphorus balance and its influence on the metabolism of bones was known as long as 100 years ago ( Wolf, 2004 ). Proliferative effect of this vitamin was identified only after the discovery of its nuclear receptor - VDR. It occurred that the receptor was present in numerous organs beyond the skeletal system, e.g. in the kidneys, the heart, the brain, the pancreas, the intestines as well as in muscles and skin ( Bikle, 2009 ). It was also confirmed that vitamin D played an important role in immunological

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Paweł Cięszczyk, Aleksandra Zarębska, Zbigniew Jastrzębski, Michał Sawczyn, Izabela Kozakiewicz-Drobnik, Agata Leońska-Duniec, Mariusz Kaczmarczyk, Agnieszka Maciejewska-Skrendo, Piotr Żmijewski, Grzegorz Trybek, Wojciech Smółka, Jan Pilch, Katarzyna Leźnicka, Ewelina Lulińska-Kuklik, Marek Sawczuk and Myosotis Massidda

genotype distribution of the MTHFR A1298C polymorphism in a group of Polish women; furthermore, we measured the changes of VO2max test variables, Wingate test variables and body composition measurements before and after the completion of a 12-week training program to verify whether there was an interaction between the genotype and training. Material and Methods Ethics Statement All the procedures followed in the study were approved by the Ethics Committee of the Regional Medical Chamber in Szczecin (Approval number 09/KB/IV/2011) and were conducted according

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Magdalena Wójcik-Pędziwiatr, Klaudia Plinta, Agnieszka Krzak-Kubica, Katarzyna Zajdel, Marcel Falkiewicz, Jacek Dylak, Jan Ober, Andrzej Szczudlik and Monika Rudzińska

differences in statistical power. Since age influences latency and velocity of saccades, the findings described above might have been caused by a higher number of elder subjects. Reflexive saccades latency depends mainly on cortical and subcortical areas of the saccadic system. The velocity of saccades is programmed by the brainstem saccades generator ( Leigh and Zee, 2006 ). We did not find impairment of the gap and overlap effect on reflexive saccades latency in ET. Our results of reflexive saccades latency in the gap paradigm remained in accordance with the results of