hrp0089p1-p052 | Diabetes & Insulin P1 | ESPE2018

Genetic Susceptibility to Type 1 Diabetes in Children: Analysis of Polymorphisms rs1990760 – IFIH1, rs20541 – IL13, rs231775 – CTLA 4

Goralczyk Aleksandra , Bossowski Artur , Goscik Joanna , Wawrusiewicz-Kurylonek Natalia , Bossowska Anna , Kretowski Adam

Background: Type 1 Diabetes is influenced by genetic and environmental factors. Cytotoxic T-lymphocyte antigen 4 (CTLA-4) gene polymorphism and The interferon induced helicase domain 1 (IFIH1) gene are known to be associated with T1DM, but have not been established in a Caucasian children population yet. The interleukin 13 (IL13) gene polymorphisms impact on the development of Type 1 DM in children has not been reported yet.Objective and hypotheses: To e...

hrp0086fc11.4 | Thyroid | ESPE2016

Decreased Proportions of CD4+IL17+/CD4+CD25+CD127− and CD4+IL17+/CD4+CD25+CD127-FoxP3+T Cells in Children with Autoimmune Thyroid Diseases

Bossowski Artur , Moniuszko Marcin , Grubczak Kamil , Snight Paulina , Bossowska Anna , Diana Tanja , Kahaly George

Background: Until now, altered balance of Th1 and Th2 immune cells has been postulated to play an important role in the pathogenesis of autoimmune thyroid diseases (AITD). However, recent studies on thyroid diseases have suggested a new role for Th17 cells that have been classified as a new lineage, distinct from Th1, Th2 and Treg cells. Despite wide interest, the role of Th17 cells in the pathogenesis of inflammatory and autoimmune diseases is still debated.<p class="abst...

hrp0086p1-p905 | Thyroid P1 | ESPE2016

Association of CTLA4, PADI4 and FTO Polymorphisms with Autoimmune Thyroid Diseases in Male Children

Goralczyk Aleksandra , Goscik Joanna , Wawrusiewicz-Kurylonek Natalia , Bossowska Anna , Kretowski Adam , Bossowski Artur

Background: The etiology of Autoimmune thyroid diseases (AITDs), including Graves’ disease (GD) and Hashimoto’s thyroiditis (HT) is multifactorial and involves genetic and environmental factors. Family and population studies confirmed the strong genetic influence and inheritability in the development of AITD. Possible sex-related differences in overexpression of the cytotoxic T-lymphocyte antigen 4 (CTLA4) gene, peptidyl arginine deiminase 4(PADI4) gene, the fat mass...

hrp0086p2-p953 | Thyroid P2 | ESPE2016

Clinical Value of Thyroid-Stimulating Immunoglobulin in Paediatric Autoimmune Thyroid Diseases

Stozek Karolina , Bossowski Artur , Ziora Katarzyna , Bossowska Anna , Diana Tanja , Kahaly George J

Background: In Autoimmune Thyroid Disease (AITD) two types of TSH receptor antibodies (TSHR-Ab) may be distinguished: thyroid- stimulating immunoglobulin (TSI) that promotes the production of thyroid hormones and thyroid- blocking immunoglobulin (TBI) inhibiting the activity of TSH what leads contrarily to hypothyroidism.Objective and hypotheses: The aim of this study was to compare mean TSI and TBI levels in large paediatric cohort with AITD and control...

hrp0082p1-d2-23 | Autoimmune Endocrine Disease | ESPE2014

Analysis of Zinc Transporter ZnT8 Autoantibodies in Children and Adolescents with Autoimmune Thyroid Diseases

Bossowski Artur , Borysewicz-Sanczyk Hanna , Glowinska-Olszewska Barbara , Sawicka Beata , Bossowska Anna , Michalak Justyna , Furmaniak Jadwiga

Background: Recent studies have revealed the presence of zinc and the expression of zinc transporter (ZnT) family members in most endocrine cell types. Moreover it was demonstrated that ZnT family plays an important role in the synthesis and secretion of many hormones. ZnT8 autoantibodies (ZnT8 Ab) next to glutamic acid decarboxylase antibodies (GAD Ab), insulin autoantibodies (IAA), and islet antigen-2 antibodies (IA-2 Ab) have been described as markers of autoimmune process ...

hrp0082p1-d1-231 | Thyroid | ESPE2014

The Association between rs4684677 T/A Polymorphism in Preproghrelin Gene And predisposition to Autoimmune Thyroid Diseases in Children*

Bosswski Artur , Moniuszko Anna , Wawrusiewicz-Kurylonek Natalia , Bossowska Anna , Jakubowska Ewa , Kretowski Adam

Background: Ghrelin and obestatin are two gastrointestinal peptides obtained by post-translational processing of a common precursor, preproghrelin. mRNA expression for preproghrelin was found in autoimmune thyroid diseases (AITDs) in previous studies. There are papers, where a role of preproghrelin polymorphism on various immunological diseases was determined, but nothing is known about its influence on the AITDs.Objective and hypotheses: The aim of our ...

hrp0084fc13.2 | Thyroid | ESPE2015

Analysis of Chosen Polymorphisms rs2476601 A/G – PTPN22, rs1990760 C/T – IFIH1, rs179247 A/G – TSHR in Pathogenesis of Autoimmune Thyroid Diseases in Children

Goralczyk Aleksandra , Goscik Joanna , Wawrusiewicz-Kurylonek Natalia , Bossowska Anna , Kretowski Adam , Bossowski Artur

Background: Autoimmune thyroid diseases are multifactorial diseases with a genetic susceptibility and environmental factors. A potential role of the protein tyrosine phosphatase non-receptor type 22 (PTPN22) gene, the interferon induced helicase domain 1 (IFIH1) gene, the TSH receptor (TSH-R) gene polymorphisms on autoimmune thyroid diseases (AITDs) in children has not been established equivocally yet.Objective and hypotheses: To estimate the association...

hrp0084p2-430 | GH &amp; IGF | ESPE2015

Analysis of CD133+CD45+ Hematopoietic Progenitor/Stem Cells and CD133+/CD45- Very Small Embryonic-Like Stem Cells in Children with GH Deficiency Subjected to GH Therapy

Bossowski A , Singh P , Grubczak K , Radzikowska U , Sawicka B , Miklasz P , Dabrowska M , Bossowska A , Moniuszko M

Background: GH deficiency (GHD) is an endocrine condition, caused by problems arising in the pituitary gland that does not produce sufficient quantities of GH. GHD is treated by replacing GH with one daily injections. Recent studies suggested that GH could be involved in regulation of certain stem cell subset potential and function. However, the exact effects of GH therapy on biology of stem cells in paediatric patients were not studied in detail.Methods...

hrp0084p2-561 | Thyroid | ESPE2015

Analysis of Chosen Polymorphisms rs5742909 C/T – CTLA4, rs7522061 C/T – FCRL3, rs7138803 A/G – FAIM2 in Pathogenesis of Autoimmune Thyroid Diseases in Children

Jakubowska Ewa , Goscik Joanna , Wawrusiewicz-Kurylonek Natalia , Bossowska Anna , Kretowski Adam , Bossowski Artur

Background: Autoimmune thyroid diseases are multifactorial diseases with a genetic susceptibility and environmental factors. A potential role of cytotoxic T-lymphocyte-associated protein 4 (CTLA4) gene, Fc receptor-like 3 (FCRL3) gene, Fas apoptotic inhibitory molecule 2 (FAIM2) gene polymorphisms on autoimmune thyroid diseases (AITDs) in children has not been established equivocally yet.Objective and hypotheses: To estimate the association of polymorphi...

hrp0084p2-566 | Thyroid | ESPE2015

Analysis of B Regulatory Cells with Phenotype CD19+CD24hiCD27+IL-10+ and CD19+IL-10+ in the Peripheral Blood of Children with Graves’ Disease and Hashimoto’s Thyroiditis

Bossowski Artur , Grubczak Kamil , Singh Paulina , Radzikowska Urszula , Dabrowska Milena , Sawicka Beata , Bossowska Anna , Moniuszko Marcin

Background: Autoimmune thyroid disease (AITD) is the most common organ-specific autoimmune disorder. Genetic background, environmental and endogenous factors are play important roles in determining the activation of immune cells or the efficacy of the immunoregulatory pathways. Recently emphasizes the immunosuppressive role of B regulatory cells (phenotype CD19+CD24hiCD27+IL-10+, CD19+IL-10+) in regulation of immune respon...