hrp0098p1-21 | Diabetes and Insulin 1 | ESPE2024

A population preventive study of early detection of type 1 diabetes in asymptomatic children in the North-East region of Poland

Bossowski Artur , Noiszewska Klaudyna , Jamiołkowska-Sztabkowska Milena , Zasim Aneta , Polkowska Agnieszka , Bossowski Filip , Skorupska Magdalena , Buczyńska Angelika , Krętowski Adam , Sikora Tobiasz , Trzonkowski Piotr

Introduction: The population study of early detection of type 1 diabetes (T1D) in asymptomatic children in the Podlaskie region of Poland is an extension of the Pre-d1abetes Study conducted by our clinic between 2019 and 2023 in collaboration with 14 Polish diabetes centres. A total of 1288 patients aged between 7 months and 18 years were studied with positive family of T1D. Positive 3-screen ELISA values were observed in 112 patients (8.69%). During analysis ...

hrp0098p1-201 | Thyroid 2 | ESPE2024

Potential Role of Selected miRNAs in the Pathogenesis of Autoimmune Thyroid Diseases in Children and Adolescents

Sawicka Beata , Sulewska Anetta , Kulczyńska- Przybik Agnieszka , Bossowski Filip , Dulewicz Maciej , Borysewicz-Sańczyk Hanna , Mroczko Barbara , Niklinski Jacek , Bossowski Artur

Background: Many epigenetic factors, including microRNAs, are involved in the process of changing gene expression. MiRNAs are small non-coding RNA molecules that regulate gene translation by silencing or degrading target mRNAs. They are recognized as novel diagnostic and prognostic biomarkers for many diseases. Patients with autoimmune thyroid diseases are more likely to develop nodules in the thyroid tissue, and Hashimoto's thyroiditis and Graves’ ...

hrp0095p1-313 | Growth and Syndromes | ESPE2022

Pathway to assess severe primary IGF-1 deficiency diagnosis in a real-life setting: data from the Global Increlex® Registry

Bang Peter , Polak Michel , Bossowski Artur , De Schepper Jean , Sert Caroline , Perrot Valérie , Woelfle Joachim

Background: Severe primary insulin-like growth factor-1 deficiency (SPIGFD) is a rare condition for which replacement therapy with recombinant human insulin-like growth factor-1 (rhIGF 1; mecasermin [Increlex®]) is approved for treatment in Europe and the USA. SPIGFD is defined as a height standard deviation score (HtSDS) ≤-3, and baseline IGF-1 <2.5th percentile (European indication) or ≤-3 SDS (USA indication) for age and gender, desp...

hrp0095p1-187 | Thyroid | ESPE2022

Analysis of miR-15a-5p, miR-126-3p, miR-142-5p and miR-150-5p levels in blood of children and adolescents with thyroid diseases

Sawicka Beata , Sulewska Anetta , Borysewicz-Sańczyk Hanna , Żelazowska-Rutkowska Beata , Bossowski Artur

Background: The pathogenesis of autoimmune thyroid diseases depends on many factors including genetic predisposition and environmental factors. Graves' disease and Hashimoto's thyroiditis are associated with an impaired immunological tolerance to antigen molecules in the thyroid gland. Abnormal immunotolerance results from impaired suppression involving regulatory T cells in peripheral immunocompetent tissues (Tregs). It is known that patients with a...

hrp0095p2-140 | Fetal, Neonatal Endocrinology and Metabolism | ESPE2022

POU1F1 gene mutation as a cause of central hypothyroidism and growth hormone deficiency: a case report

Sawicka Beata , Borysewicz-Sańczyk Hanna , Sztatyłowicz Aleksandra , Michalak Justyna , Stożek Karolina , Bossowski Artur

Background: Thyroid hormones are necessary for normal child development. Hypothyroidism, associated with insufficient amounts of free triiodothyronine and thyroxine, may not only cause poor growth rate, but also results in impaired central nervous system development. In Poland, newborn screening for congenital primary hypothyroidism, the incidence of which is reported to be 1:2500- 1:4000 births, has been performed for many years. Secondary hypothyroidism, cau...

hrp0092fc5.2 | Thyroid | ESPE2019

Lower Proportion of CD19+IL-10+ and CD19+CD24hiCD27+ IL-10+, but not CD1d+CD5+CD19+CD24+CD27+ IL-10+ B Cells in Children with Autoimmune Thyroid Diseases

Stozek Karolina , Grubczak Kamil , Marolda Viviana , Eljaszewicz Andrzej , Moniuszko Marcin , Bossowski Artur

Introduction: Hashimoto's thyroiditis (HT) and Graves' disease (GD) become increasingly common in children's population. Pathogenesis of autoimmune thyroid diseases (AITD) bases on coexistence of genetic predisposition and environmental triggers which finally drive to breakdown of immune tolerance. Many mechanisms in human body moderate process of inflammation. While some of them answer for up-regulation, some agents like B regulatory lymphocytes (...

hrp0092t2 | Top 20 Poster | ESPE2019

Assessment of ZnT8 Antigen in Thyroid Cells in Children and Adolescents with Hashimoto Thyroiditis and Nodular Goitre

Borysewicz-Sańczyk Hanna , Dzięciol Janusz , Sawicka Beata , Bossowski Artur

Introduction: The presence of ZnT8 (zinc transporter 8) has been described on the surface of beta pancreatic cells in type 1 diabetic patients and the ZnT8 Ab (zinc transporter-8 autoantibody) has been recently established as a new marker of this autoimmune disease. There are studies demonstrating that ZnT8 may be of importance in some other endocrine cell types. In our study we wanted to verify the presence of ZnT8 in thyroid cells of children and adolescents...

hrp0092p1-421 | Thyroid (2) | ESPE2019

Zinc Transporter 8 (ZnT8) as a New Autoantigen in Thyroid Tissue – Preliminary Data

Bossowski Artur , Niklinska Wieslawa , Gasowska Marta , Polnik Dariusz , Szalecki Mieczyslaw , Miklosz Agnieszka , Chabowski Adrian , Reszec Joanna

Zinc (Zn) is a crucial trace mineral that regulates the expression and activation of biological molecules such as transcription factors, enzymes, adapters, channels, and growth factors, along with their receptors. Bioinformatics analysis of the human genome discloses that Zn may bind ~ 10% of all of the proteins found in the human organism. This remarkable finding highlights the physiological significance of Zn in molecules involved in cellular processes and thereby i...

hrp0092p2-278 | Thyroid | ESPE2019

A 10- Year-Old Girl with Thyroid Hormone Resistance (βTHR)- Case Report

Bossowski Artur , Michalak Justyna , Sawicka Beata , Sanczyk Hanna Borysewicz- , Kolanowska Monika , Kubiak Anna , Jazdzewski Krystian

Introduction: Thyroid hormone resistance (THR) is a rare syndrome which is characterized by reduced response to thyroid hormones at tissue level. The disorder is caused by genetic mutation in the thyroid hormone receptor. The most common are a heterozygous thyroid hormone β (THRβ) gene mutations. Laboratory tests usually show normal or elevated level of thyroid- stimulating hormone (TSH) and high concentration of thyroid hormones (T3 and T4).<p c...

hrp0092p3-167 | Growth and Syndromes (to include Turner Syndrome) | ESPE2019

Bloom Syndrome in 7-Year-Old Girl Diagnosed with Short Stature

Borysewicz-Sańczyk Hanna , Sawicka Beata , Cottrell Emily , Ladha Tasneem , Storr Helen , Bossowski Artur

Introduction: Bloom syndrome (BS) is a rareautosomal recessive disorder caused by mutations in the BLM gene, located on the long arm of the chromosome 15 (15q26.1). The typical symptoms of the disease are short stature, low birth weight, dysmorphic features including long, narrow face (dolichocephaly), micrognathism and prominent nose and ears. Other characteristic features include a rash following sun exposure, hyper-pigmented areas or cafe-au-lait s...