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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
31

Význam endokrinní funkce tukové tkáně při vzniku syndromu inzulínové rezistence / The importance of endocrinefunction of adipose tissue in the development of insulin resistance syndrome

Kaválková, Petra January 2016 (has links)
(AJ) Adipose tissue produces numerous adipokines, pro- and antiinflammatory cytokines and hormones which may influence the development of insulin resistance, type 2 diabetes mellitus and other comorbidities of the metabolic syndrome. The ability of adipose tissue to store lipids and thus protect other organs and tissues from ectopic lipid accumulation and development of insulin resistance (IR) is largely dependent on the adipogenic potential of preadipocytes. The amount and function of these cells may be the key factor in creating "healthy" adipose tissue or on the contrary "unhealthy" adipose tissue eventually leading to metabolic derangements. The regulation of the amount of body fat by converting preadipocytes into mature adipocytes may be crucial in the prevention and treatment of obesity and its comorbidities. One of the reasons for development of insulin resistance can be the inhibition of the differentiation process of preadipocytes into mature adipocytes with consequent ectopic lipid accumulation caused by the secretion of preadipocyte factor - 1 (Pref - 1). Pref - 1 has been discovered recently as a protein produced by preadipocytes but not by mature adipocytes. Pref - 1 is a member of the protein family sharing similarity with epidermal growth factors which regulate the differentiation of...
32

Význam endokrinní funkce tukové tkáně při vzniku syndromu inzulínové rezistence / The importance of endocrinefunction of adipose tissue in the development of insulin resistance syndrome

Kaválková, Petra January 2016 (has links)
(AJ) Adipose tissue produces numerous adipokines, pro- and antiinflammatory cytokines and hormones which may influence the development of insulin resistance, type 2 diabetes mellitus and other comorbidities of the metabolic syndrome. The ability of adipose tissue to store lipids and thus protect other organs and tissues from ectopic lipid accumulation and development of insulin resistance (IR) is largely dependent on the adipogenic potential of preadipocytes. The amount and function of these cells may be the key factor in creating "healthy" adipose tissue or on the contrary "unhealthy" adipose tissue eventually leading to metabolic derangements. The regulation of the amount of body fat by converting preadipocytes into mature adipocytes may be crucial in the prevention and treatment of obesity and its comorbidities. One of the reasons for development of insulin resistance can be the inhibition of the differentiation process of preadipocytes into mature adipocytes with consequent ectopic lipid accumulation caused by the secretion of preadipocyte factor - 1 (Pref - 1). Pref - 1 has been discovered recently as a protein produced by preadipocytes but not by mature adipocytes. Pref - 1 is a member of the protein family sharing similarity with epidermal growth factors which regulate the differentiation of...
33

Úloha komponent osy GH/IGF-1 v etiopatogeneze metabolických odchylek u diabetes mellitus 2. typu a akromegalie / The role of GH/IGF-1 axis components in the etiopathogenesis of metabolic disturbances in type 2 diabetes mellitus and acromegaly

Toušková, Věra January 2016 (has links)
(EN) GH/IGF-1 axis components (GH, growth hormone receptor (GH-R), IGF-1, IGF-1 receptor (IGF-1R), IGF-binding proteins (IGFBPs)) participate in the control of glucose metabolism, inflammatory processes as well as cell proliferation and differentiation, including adipocytes and monocytes. The aim of the present study was to evaluate the role of local mRNA expression of GH/IGF-1 axis components in subcutaneous adipose tissue (SCAT) and peripheral monocytes (PM) in the development of insulin resistance and differences of adipose tissue mass in following groups of patients: obese females with and without type 2 diabetes mellitus and subjects with active untreated acromegaly. A total number of 66 subjects were included in the study: obese females without type 2 diabetes mellitus (OB), obese females with type 2 diabetes mellitus (T2DM), acromegalic patients (AC) and healthy lean control subjects (C). T2DM underwent 2 weeks of very-low- calorie diet (VLCD - energy content 2500 kJ/day). According to our results we suggest that decreased mRNA expression of IGF-1, IGF-1R, IGFBP-2 and IGFBP-3 in adipose tissue of T2DM subjects may contribute to changes of fat differentiation capacity and the increased IGF-1R mRNA expression in peripheral monocytes in these patients may play a role in the regulation of...
34

Nové metabolické regulátory a prozánětlivé faktory v etiopatogeneze diabetes mellitus 2. typu a obezity: vliv farmakologických a dietních intervencí / Novel metabolic regulators and proinflammatory factors in the etiopathogenesis of type 2 diabetes mellitus and obesity: the influence of pharmacological and dietary interventions

Mráz, Miloš January 2011 (has links)
NOVEL METABOLIC REGULATORS AND PROINFLAMMATORY FACTORS IN THE ETIOPATHOGENESIS OF TYPE 2 DIABETES MELLITUS AND OBESITY: THE INFLUENCE OF PHARMACOLOGICAL AND DIETARY INTERVENTIONS MUDr. Miloš Mráz Doctoral Thesis ABSTRACT (EN) Identifying novel factors involved in the etiopathogenesis of obesity, diabetes mellitus and their complications has become one of the primary scopes of metabolic research in the last years. The aim of the present study was to evaluate the role of recently discovered metabolic and inflammatory regulators including fibroblast growth factors 19 and 21 and chemotactic cytokines in the development of obesity and type 2 diabetes mellitus (DM2). A total number of 182 patients were included into the study. They were divided into 3 groups - patients with obesity but without type 2 diabetes mellitus, individuals with obesity and type 2 diabetes mellitus and healthy control normal-weight subjects. Selected interventions included 2 to 3 weeks of very-low-calorie diet (VLCD - energy content 2500 kJ/day), 3 months of administration of PPARα receptor agonist fenofibrate and acute hyperinsulinemia during hyperinsulinemic isoglycemic clamp. Our results indicate that the increase of circulating FGF-21 levels after VLCD and fenofibrate treatment could contribute to positive metabolic effects of these...
35

Nové metabolické regulátory a prozánětlivé faktory v etiopatogeneze diabetes mellitus 2. typu a obezity: vliv farmakologických a dietních intervencí / Novel metabolic regulators and proinflammatory factors in the etiopathogenesis of type 2 diabetes mellitus and obesity: the influence of pharmacological and dietary interventions

Mráz, Miloš January 2011 (has links)
NOVEL METABOLIC REGULATORS AND PROINFLAMMATORY FACTORS IN THE ETIOPATHOGENESIS OF TYPE 2 DIABETES MELLITUS AND OBESITY: THE INFLUENCE OF PHARMACOLOGICAL AND DIETARY INTERVENTIONS MUDr. Miloš Mráz Doctoral Thesis ABSTRACT (EN) Identifying novel factors involved in the etiopathogenesis of obesity, diabetes mellitus and their complications has become one of the primary scopes of metabolic research in the last years. The aim of the present study was to evaluate the role of recently discovered metabolic and inflammatory regulators including fibroblast growth factors 19 and 21 and chemotactic cytokines in the development of obesity and type 2 diabetes mellitus (DM2). A total number of 182 patients were included into the study. They were divided into 3 groups - patients with obesity but without type 2 diabetes mellitus, individuals with obesity and type 2 diabetes mellitus and healthy control normal-weight subjects. Selected interventions included 2 to 3 weeks of very-low-calorie diet (VLCD - energy content 2500 kJ/day), 3 months of administration of PPARα receptor agonist fenofibrate and acute hyperinsulinemia during hyperinsulinemic isoglycemic clamp. Our results indicate that the increase of circulating FGF-21 levels after VLCD and fenofibrate treatment could contribute to positive metabolic effects of these...

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