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Vitamin D status and its relation to exercise performance and iron status in young ice hockey players

Federation in Sosnowiec, their parents, coaches and teachers who participated in the study. Author Contributions Conceptualization: Joanna Orysiak, Joanna Mazur-Rozycka. Data curation: Joanna Orysiak ... , Joanna Mazur-Rozycka, Michal Starczewski, Jadwiga Malczewska-Lenczowska, Krzysztof Busko. Formal analysis: Joanna Mazur-Rozycka, John Fitzgerald. Funding acquisition: Joanna Orysiak. Investigation

Determinants of Bullying at School Depending on the Type of Community: Ecological Analysis of Secondary Schools in Poland

). Compliance with Ethical Standards Conflict of interest Joanna Mazur, Izabela Tabak and Dorota Zawadzka declares that they have no conflict of interest. Ethical Approval All procedures performed in studies

Involvement of β- and γ-actin isoforms in actin cytoskeleton organization and migration abilities of bleb-forming human colon cancer cells

Amoeboid movement is characteristic for rounded cells, which do not form strong adhesion contacts with the ECM and use blebs as migratory protrusions. It is well known that actin is the main component of mature forms of these structures, but the exact role fulfilled by non-muscle actin isoforms β- and γ- in bleb formation and migration of these cells is still not fully understood...

Serum Hepcidin and Soluble Transferrin Receptor in the Assessment of Iron Metabolism in Children on a Vegetarian Diet

The aim of this study was to assess the effect of vegetarian diet on iron metabolism parameters paying special attention to serum hepcidin and soluble transferrin receptor (sTfR) concentrations in 43 prepubertal children (age range 4.5–9.0 years) on vegetarian and in 46 children on omnivorous diets. There were no significant differences according to age, weight, height, and body...

Semantics bias in cross-national comparative analyses: is it good or bad to have “fair” health?

1 Joanna Mazur 7 Mujgan Alikasifuglu 6 Raili Välimaa 5 Maria Corell 4 Curt Hagquist 9 Paola Dalmasso 8 Yeva Movseyan 3 Franco Cavallo 8 Saskia van Dorsselaer 10 Torbjørn Torsheim 11 0 Department of

Psychometric Validation of the Revised Family Affluence Scale: a Latent Variable Approach

: Pernille Due (Denmark), Joanna Mazur (Poland), Franco Cavallo (Italy), Oddrun Samdal (Norway), Zuzana Danculinkova Veselska (Slovakia), Christina Schnohr (Greenland), Adriana Baban (Romania) and Candace

Changes in family socio-economic status as predictors of self-efficacy in 13-year-old Polish adolescents

Joanna Mazur 0 Agnieszka Malkowska-Szkutnik 0 Izabela Tabak 0 0 J. Mazur (&) A. Malkowska-Szkutnik I. Tabak Department of Child and Adolescent Health, Institute of Mother and Child , Warsaw, Poland

Analysis of gelsolin expression pattern in developing chicken embryo reveals high GSN expression level in tissues of neural crest origin

Gelsolin is one of the most intensively studied actin-binding proteins. However, in the literature comprehensive studies of GSN expression during development have not been performed yet in all model organisms. In zebrafish, gelsolin is a dorsalizing factor that modulates bone morphogenetic proteins signaling pathways, whereas knockout of the gelsolin coding gene, GSN is not...

Effect of overexpression of β- and γ-actin isoforms on actin cytoskeleton organization and migration of human colon cancer cells

Actins are eukaryotic proteins, which are involved in diverse cellular functions including muscle contraction, cell motility, adhesion and maintenance of cell shape. Cytoplasmic actin isoforms β and γ are ubiquitously expressed and essential for cell functioning. However, their unique contributions are not very well understood. The aim of this study was to determine the effect of...

Cofilin overexpression affects actin cytoskeleton organization and migration of human colon adenocarcinoma cells

The dynamic reorganization of actin cytoskeleton is regulated by a large number of actin-binding proteins. Among them, the interaction of ADF/cofilin with monomeric and filamentous actin is very important, since it severs actin filaments. It also positively influences actin treadmilling. The activity of ADF/cofilin is reversibly regulated by phosphorylation and dephosphorylation...

Reliability, construct and criterion validity of the KIDSCREEN-10 score: a short measure for children and adolescents’ well-being and health-related quality of life

Kilroe, Celia Keenaghan; The Netherlands: Jeanet Bruil, Symone Detmar, Eric Veripps; Poland: Joanna Mazur, Ewa Mierzejeswka; Spain: Luis Rajmil, Silvina Berra, Cristian Tebe, Michael Herdman, Jordi Alonso