SDMA
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OBJECTIVES: Both dimethylarginines are widely bound to chronic kidney disease (CKD). This study was focused to validate published LC-MS/MS method and compared the measured data with an immunoassay. DESIGN AND METHODS: The analysis was performed on a Dionex UltiMate 3000 UHPLC-Standard (Thermo Fisher Scientific, Waltham, Massachusetts, USA) with an amaZon SL ion trap (Bruker, Billerica, Massachusetts, USA). Comparison was evaluated by using Passing Bablok regression and Bland Altman plot. Healthy volunteers (n = 40) were used for validation and as control group to patients group (n = 40) with different stages of CKD. RESULTS: The results in healthy controls determined by the LC-MS/MS (ELISA) method were 0.52 ± 0.0892 with 95 % CI: 0.49-0.55 (0.61 ± 0.1213 with 95 % CI: 0.57-0.64) μmol/L for AD MA and 0.56 ± 0.0810 with 95 % CI: 0.53-0.58 (0.62 ± 0.0752 with 95 % CI: 0.57-0.65) μmol/L for SDMA. In the same way, the patient group values determined by the LC-MS/MS (ELISA) method were 0.82 ± 0.1604 with 95 % CI: 0.75-0.88 (1.06 ± 0.3002 with 95 % CI: 0.94-1.19) μmol/L and 2.14 ± 0.8778 with 95 % CI: 1.47-2.58 (1.65 ± 0.5160 with 95 % CI: 1.40-1.98) μmol/L for ADMA and SDMA, respectively. The correlation between the methods, expressed as the Spearman correlation coefficient (R), was 0.858 (0.8059) for ADMA (p < 0.0001) and 0.895 (0.9607) for SDMA (p < 0.0001). CONCLUSIONS: ADMA levels determined by the immunoassay were almost 30 % overestimated, in contrast to SDMA levels, which were 3 % underestimated. According to our findings, a better correlation could be obtained by simple sample dilution.
- Publikační typ
- časopisecké články MeSH
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Správa nemovitostí v daňových a právních souvislostech. Chcete investovat do nemovitostí? Vlastníte nebo máte ve správě bytový dům nebo byt? Potřebujete znát všechna práva a povinnosti, které jako pronajímatel nebo výbor SVJ máte? Záleží vám na tom, aby nájemníci nebo vlastníci bytů byli u vás spokojeni? Pak právě pro Vás je tato kniha. Nejedná se jen o výčet všech právních předpisů, kterými se máte řídit. Autoři se soustředili na nejdůležitější otázky, které často přinášejí problémy, a nebáli se přijít s výkladem nové legislativy, jejíž judikatura se teprve ustaluje. Kniha vás srozumitelně a prakticky seznámí se vším, co by pronajímatel nebo investor v oblasti realit měl znát, a to v širších daňových a právních souvislostech. Přes specifické zaměření na bytový fond naleznete v publikaci také odpovědi obecnějšího charakteru, nejen k bytovým domům. Například celá kapitola daní je zpracována komplexněji, k nemovitostem jako takovým. Cílem knihy je poradit čtenářům, jak snížit rizika pronájmu, získat optimální výnos a současně dosáhnout toho, aby i nájemníci nebo vlastníci bytů byli spokojeni se službami, které jim poskytujete, a rádi v domě bydleli. Kniha je díky své aktuálnosti, komplexnímu pojetí problematiky vlastnictví bytového fondu, zaměřením na časté chyby a příklady z praxe autorů ojedinělou publikací na současném knižním trhu. Druhé, aktualizované a rozšířené vydání knihy vychází z právního stavu k 1. 11. 2021. Daňová kapitola je zpracována k 1. 1. 2022 dle stavu legislativy pro rok 2022 známého k 30. 11. 2021. První vydání knihy (1. VOX a.s., 2017) bylo rychle vykoupeno a setkalo se u čtenářů s velkým úspěchem.; Komplexní výklad daňových a právních problémů spojených se správou bytových domů. Text vychází z právního stavu k 1. 11. 2021.
Introduction: Symmetrical and Asymmetric dimethyl-L-arginine were previously discovered in urine, the present study explored the link between acute kidney injury (AKI) and modulation in the level of these biomarkers.Methods: Ninety volunteers were recruited in the current study, sixty of them were dialysis-dependent AKI patients, their ages ranged between 29-70 years, 13 were diabetic and 47 were non-diabetics patients. Thirty healthy subjects were recruited as a control group. Blood urea, serum creatinine, uric acid, glucose, lipid profile, albumin, hemoglobin, levels were measured using an automated analyzer (SK3002b). Asymmetric dimethyl-L-arginine (ADMA) and symmetric dimethyl-L-arginine (SDMA) serum concentrations were measured using ELISA.Results: The findings of the current study demonstrated a significant decrease in hemoglobin and serum albumin levels alongside an increase in the serum creatinine, uric acid, and serum triglyceride (TG) in the patients when compared to the apparently healthy controls. Serum concentrations of ADMA and SDMA were significantly lower in healthy controls compared to the patients. Conclusion: These data confirm the assumption which assumes that both, ADMA and SDMA serum levels are sensitive markers of reduced renal function and serum SDMA is more sensitive than ADMA in dialysis-dependent AKI patients.
Asymmetric and symmetric dimethylarginines are toxic non-coded amino acids. They are formed by post-translational modifications and play multifunctional roles in some human diseases. Their determination in human blood plasma is performed using capillary electrophoresis with contactless conductivity detection. The separations are performed in a capillary covered with covalently bonded PAMAPTAC polymer, which generates anionic electroosmotic flow and the separation takes place in the counter-current regime. The background electrolyte is a 750 mM aqueous solution of acetic acid with pH 2.45. The plasma samples for analysis are treated by the addition of acetonitrile and injected into the capillary in a large volume, reaching 94.5% of the total volume of the capillary, and subsequently subjected to electrophoretic stacking. The attained LODs are 16 nm for ADMA and 22 nM for SDMA. The electrophoretic resolution of both isomers has a value of 5.3. The developed method is sufficiently sensitive for the determination of plasmatic levels of ADMA and SDMA. The determination does not require derivatization and the individual steps in the electrophoretic stacking are fully automated. The determined plasmatic levels for healthy individuals vary in the range 0.36-0.62 µM for ADMA and 0.32-0.70 µM for SDMA.
BACKGROUND: There is little mechanistic information on factors predisposing atrial fibrillation (AF) patients to thromboembolism or bleeding, but generation of nitric oxide (NO) might theoretically contribute to both. OBJECTIVES: The authors tested the hypothesis that plasma levels of the methylated arginine derivatives asymmetric and symmetric dimethylarginine (ADMA/SDMA), which inhibit NO generation, might be associated with outcomes in AF. METHODS: Plasma samples were obtained from 5,004 patients with AF at randomization to warfarin or apixaban in the ARISTOTLE (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation) trial. ADMA and SDMA concentrations were measured by high-performance liquid chromatography. Relationships to clinical characteristics were evaluated by multivariable analyses. Associations with major outcomes, during a median of 1.9 years follow-up, were evaluated by adjusted Cox proportional hazards models. RESULTS: Both ADMA and SDMA plasma concentrations at study entry increased significantly with patients' age, female sex, renal impairment, permanent AF, or congestive heart failure. ADMA and SDMA increased (p < 0.001) with both increased CHA2DS2-VASc and HAS-BLED scores, but decreased in the presence of diabetes. On multivariable analysis adjusting for established risk factors and treatment, tertile groups of ADMA concentrations were significantly associated with stroke/systemic embolism (p = 0.034), and death (p < 0.0001), whereas tertile groups of SDMA were associated with major bleeding and death (p < 0.001 for both). Incorporating ADMA and SDMA into CHA2DS2-VASc or HAS-BLED predictive models improved C-indices for those outcomes. Neither ADMA nor SDMA predicted differential responses to warfarin or apixaban. CONCLUSIONS: In anticoagulated patients with AF, elevated ADMA levels are weakly associated with thromboembolic events, elevated SDMA levels with bleeding events and both are strongly associated with increased mortality. These findings suggest that disturbances of NO function modulate both thrombotic and hemorrhagic risk in anticoagulated patients with AF. (Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation [ARISTOTLE]; NCT00412984).
- MeSH
- antikoagulancia terapeutické užití MeSH
- arginin analogy a deriváty krev MeSH
- biologické markery krev MeSH
- dvojitá slepá metoda MeSH
- fibrilace síní krev diagnóza farmakoterapie MeSH
- inhibitory faktoru Xa terapeutické užití MeSH
- lidé středního věku MeSH
- lidé MeSH
- prediktivní hodnota testů MeSH
- pyrazoly terapeutické užití MeSH
- pyridony terapeutické užití MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- výsledek terapie MeSH
- warfarin terapeutické užití MeSH
- Check Tag
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- randomizované kontrolované studie MeSH
Východiská: Telovýchovný proces v školách zabezpečuje osvojovanie si určitých pohybových zručností a aktivít, ktoré by mali tvoriť v detskom veku najväčšie zastúpenie celodenných činností. Nedostatok pohybovej aktivity dieťaťa vedie k zníženiu odolnosti a výkonnosti jeho organizmu. Deti v období mladšieho školského veku majú ako fyziologické, tak aj psychologické predpoklady na proporcionálny a všestranný rozvoj základných pohybových schopností, čím sa vytvára najlepší spôsob k požadovanej úrovni telesnej zdatnosti a pohybovej výkonnosti. V súčasnosti nastávajú v rámci edukačného procesu TV na Slovensku výrazné zmeny, ktoré sú otvorenejšie voči možnostiam učiteľov tvoriť si individuálne obsah vzdelávania podľa podmienok a potrieb žiakov. Cieľ: Cieľom tohto príspevku je analyzovať zmeny telesnej zdatnosti žiakov 3. ročníka Základnej školy v Banskej Bystrici v Slovenskej republike počas šesťmesačného pôsobenia inovovaného vzdelávacieho obsahu telesnej výchovy. Metodika: Výskumný zber dát prebiehal v školskom roku 2013/2014 v triedach 3. ročníka Základnej školy v Banskej Bystrici (SR) s odstupom 6 mesiacov. Výskumný súbor tvorilo 45 žiakov (18 chlapcov, 27 dievčat) v priemernom veku 9,18 ± 0,26 rokov. Na meranie pohybových schopností bolo využitých 8 testov telesnej zdatnosti: PLAM, PRE, SDM, Ľ–S, VÝD, ČB 10 × 5 m, VB a 1 test telesnej zdatnosti – JACIK. Dáta boli spracované v programe STATGRAPHICS. Vo výskume bolo využité aj interview s učiteľkami primárnej edukácie (1. st. ZŠ) a monitorovanie voľno-časových pohybových aktivít žiakov prostredníctvom záznamových hárkov 3krát počas 6 mesiacov. Výsledky: Vo výskumnom súbore vykazujú výkonnostné parametre žiakov pozitívne významnú zmenu v teste VB na hladine významnosti p < ,01 u chlapcov a na p < ,05 u dievčat. Navyše u dievčat aj v teste Ľ-S na hladine významnosti p < ,01 a v teste JACÍK tiež na hladine významnosti p < ,01. Neorganizované voľno-časové pohybové aktivity vykonávali všetci žiaci výskumného súboru. Organizované voľno-časové pohybové aktivity navštevovalo 55,6 % dievčat a 38,9 % chlapcov. Závery: Telesná výchova je na výskumnej škole vyučovaná v rozsahu dvoch vyučovacích jednotiek týždenne. Pozorované zmeny výkonnostných parametrov našej vzorky nám naznačujú, že efektívnejší a inovovaný vyučovací obsah TV postačuje na zvyšovanie pohybovej aktivity, aj na zvyšovanie telesnej zdatnosti žiakov, ale z pohľadu signifikantného progresu pohybovej výkonnosti a telesnej zdatnosti ju za významnú nemôžeme považovať.
Background: Process of physical education in schools ensures the acquisition of certain motoric abilities and activities that should form in childhood the largest representation of daytime activities. The lack of child's physical activity results in a reduction of resistant, power and performance of the organism. Young learners have physiological as well as psychological preconditions for proportional and comprehensive development of fundamental motoric skills, constituting the best method to the required level of physical fitness and motoric performance. At the present time, significant changes are happening within the educational process of physical education in Slovakia. They respond to the possibilities of teachers to create individual curriculum according to the conditions and needs of pupils. Objective: The objective of this paper is to analyze development of motoric skills and physical fitness of third grade pupils at primary school in Banská Bystrica in Slovakia during the six-month effect innovative educational curriculum of physical education. Methods: Research data collection took place in 2013/2014 in the classes of the third grade pupils of the elementary school in Banská Bystrica (SR) within a span of six months. The sample consisted of 45 pupils (18 boys, 27 girls) with the average age 9.18 ± 0.26 years. Physical fitness was measured by the following test – Jacík's motor test (JACIK). Motor performance skills were assessed by following tests: 1. Flamingo balance test (PLAM); 2. Sit and reach test (PRE); 3. Standing broad jump (SDM); 4. Sit–ups per 30 s (Ľ–S); 5. Bent arm hang (VÝD); 6. Shuttle run 10 × 5 m (ČB 10 × 5); 7. Endurance shuttle run (VB). Statistical analysis was processed in the program STATGRAPHICS. In the research it was used interviews with teachers and we used the monitoring leisure physical activities of young learners three times during six months. Results: The sample in the performances of the young learners have positive significant change in the test VBat a significance level of p < .01 in boys and p < .05 for girls. In addition, in group of girls in the test Ľ –S at p < .01 of significance level and also test Jacík at p < .01 of significance level. Unorganized leisure physical activity attended by all pupils of the research group. Organized leisure physical activity attended 55.6% of girls and 38.9% of boys. Conclusion: Physical education in the researched school is taught in the extent of two teaching units a week. Observed changes of performance parameters of younger learners indicate that the effective and innovative curriculum of PE suffices for the increase of physical activity and for the increase of motoric performance of pupils. However, from the viewpoint of significant changes of general motoric performance and physical fitness, we cannot regard it as significant.
- MeSH
- dítě MeSH
- lidé MeSH
- neparametrická statistika MeSH
- školy MeSH
- sportovní výkon MeSH
- tělesná výchova * MeSH
- tělesná výkonnost * MeSH
- volnočasové aktivity MeSH
- Check Tag
- dítě MeSH
- lidé MeSH
- mužské pohlaví MeSH
- ženské pohlaví MeSH
- Geografické názvy
- Slovenská republika MeSH
Spolurozhodování (shared decision making, SDM) je strategie, která zahrnuje pacienta do rozhodování o jeho léčbě. V oblasti somatické medicíny je spolurozhodování o léčbě zkoumáno a více či méně aplikováno již delší dobu. Její užití v psychiatrii je v počátcích a očekává se od ní zlepšení adherence k léčbě a prognózy. Nejvíce prací z této oblasti pochází od německých autorů, kteří prokázali její uskutečnitelnost a potenciální výhody jak v akutní, tak dlouhodobé léčbě poruch schizofrenního okruhu. SDM také představuje jeden z důležitých aspektů individualizovaného přístupu k pacientovi.
Shared decision making (SDM) is a strategy for including patients in therapeutic decision processes In the somatic medicine the SDM has been studied and used for several years now. The application of shared decision making to psychiatry is still in the initial stage. The use of this strategy is expected to improve long-term compliance and outcome. Most studies has been done by German authors which have proved its feasibility and potential advantages in both acute and long-term treatment in schizophrenia. The SDM represents one of the important aspects dealing with individualized approach to the patient.
- Klíčová slova
- Spolurozhodování o léčbě (shared decision making, SDM),
- MeSH
- adherence k farmakoterapii MeSH
- adherence pacienta * psychologie MeSH
- individualizovaná medicína metody trendy využití MeSH
- lékařská etika MeSH
- lidé MeSH
- lidská práva trendy zákonodárství a právo MeSH
- osobní autonomie MeSH
- prognóza MeSH
- schizofrenie * farmakoterapie terapie MeSH
- terapie * metody využití MeSH
- zákonodárství lékařské MeSH
- Check Tag
- lidé MeSH
- Publikační typ
- práce podpořená grantem MeSH
- přehledy MeSH
BACKGROUND: Heart failure activates neurohormones, and elevated levels of brain natriuretic peptide (BNP) are associated with adverse outcomes. The SENIORS trial showed that nebivolol, a highly selective beta-1 antagonist with vasodilating properties, reduced the composite outcome of all cause mortality or cardiovascular hospital admissions in older patients with heart failure. We explored the effects of nebivolol on a range of neurohormones, cytokines and markers of nitric oxide activity in heart failure. METHODS: In a subset of patients in SENIORS we measured N-terminal pro-brain natriuretic peptide (NT-BNP), pro atrial natriuretic peptide (Pro-ANP), endothelin-1 (ET-1), peripheral norepinephrine (PNE), soluble Fas (sFas), soluble Fas-ligand (sFas-L), tumour necrosis factor-alpha (TNF-α), serum uric acid (SUA), symmetrical dimethyl arginine (SDMA), arginine, citrulline and asymmetrical dimethyl arginine (ADMA) at baseline (before study drug), at 6 months and 12 months in a prespecified substudy. RESULTS: One hundred and six patients were enrolled and 75 had a baseline and at least one follow-up sample. There were no significant differences in neurohormone cytokines or nitric oxide markers measured between the two groups at six or twelve months. NT-ProBNP showed a numerical increase in the nebivolol group compared to placebo (P=0.08) and sFas showed a numerical increase in patients on placebo (P=0.08). Mean baseline LVEF was 35% in both groups and at 12 months was 43% on nebivolol group and 34% on placebo group (P=0.01). CONCLUSION: There were trends but no clear changes associated with nebivolol in neurohormones, cytokines or markers of nitric oxide activity in this study of elderly patients with heart failure. Further studies are needed to understand the mechanistic effects of beta blockers on biomarkers in heart failure.
- MeSH
- antagonisté beta-1-adrenergních receptorů terapeutické užití MeSH
- benzopyrany terapeutické užití MeSH
- biologické markery krev MeSH
- cytokiny krev MeSH
- dvojitá slepá metoda MeSH
- ethanolaminy terapeutické užití MeSH
- internacionalita * MeSH
- lidé MeSH
- neurotransmiterové látky krev MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- srdeční selhání krev farmakoterapie MeSH
- výsledek terapie MeSH
- Check Tag
- lidé MeSH
- mužské pohlaví MeSH
- senioři nad 80 let MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- multicentrická studie MeSH
- práce podpořená grantem MeSH
- randomizované kontrolované studie MeSH
Two major effector systems are frequently implicated in the immune and endothelial cell alternations associated with inflammation. They include the enhanced production of reactive oxygen species and diminished bioavailability of nitric oxide (NO). Importantly, these processes can be regulated by endogenously produced methylarginines, inhibitors for NO derived from macrophages and endothelial cells. Therefore, the aim of this study was to show the potential pharmacological intervention of methylarginines (N(G)-methyl-L-arginine, L-NMMA; N(G), N(G)'-dimethyl-L-arginine-symmetric dimethylarginine, SDMA; and N(G), N(G)-dimethyl-L-arginine-asymmetric dimethylarginine, ADMA) in activation of murine peritoneal (RAW 264.7) and alveolar (MHS) macrophages with lipopolysaccharide from Gram-negative bacteria (LPS). The data presented in this study clearly declare that L-NMMA (1-50μM) and ADMA (10-50 μM) significantly inhibited the LPS-induced NO production from macrophages in a concentration-dependent manner. It was demonstrated, for the first time, that the ADMA- and L-NMMA-induced down regulation of NO production was accompanied by reduced expression of mRNA and protein for inducible NO synthase as well as decreased activation of nuclear factor-κB. Importantly, we found a negative correlation between the ADMA-dependent reduction of NO production and ADMA-increased superoxide formation, which indicates that ADMA can negatively affect the balance in LPS-induced macrophage-derived production of reactive mediators. The only effect of SDMA was observed for LPS-triggered superoxide production, which was significantly decreased in its highest concentration (50 μM). In summary, L-NMMA and ADMA can mediate their effects on macrophage activation via regulation of intracellular signaling pathways, which can affect critical functions in activated macrophages.
- MeSH
- alveolární makrofágy účinky léků imunologie metabolismus MeSH
- arginin analogy a deriváty chemie farmakologie MeSH
- buněčné kultury MeSH
- buněčné linie MeSH
- exprese genu účinky léků MeSH
- lipopolysacharidy toxicita MeSH
- myši MeSH
- NF-kappa B antagonisté a inhibitory biosyntéza genetika MeSH
- oxid dusnatý biosyntéza MeSH
- peritoneální makrofágy účinky léků imunologie metabolismus MeSH
- polymerázová řetězová reakce s reverzní transkripcí MeSH
- superoxidy metabolismus MeSH
- synthasa oxidu dusnatého, typ II antagonisté a inhibitory biosyntéza genetika MeSH
- viabilita buněk účinky léků MeSH
- vztah mezi dávkou a účinkem léčiva MeSH
- western blotting MeSH
- zvířata MeSH
- Check Tag
- myši MeSH
- zvířata MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
BACKGROUND/AIMS: Complex interplay of genetic and (patho)physiological factors influence availability of nitric oxide during the development and progression of diabetic complications. We assessed predictive value of commonly studied methylated asymmetric and symmetric dimethylarginines (ADMA and SDMA) and selected single nucleotide polymorphisms (SNPs) in dimethylarginine dimethylaminohydrolase (DDAH) 1 and 2 genes for the progression of diabetic nephropathy (DN). METHODS: A total of 341 type 1 and type 2 diabetes patients with variable degree of kidney disease were included at baseline. Plasma levels of ADMA, SDMA and L-arginine were measured and six tagging SNPs in DDAH1 and 2 were determined. Progression of DN was defined as a transition from any given stage to a more advanced stage of albuminuria. Competing risk analysis was applied. RESULTS: Plasma levels of ADMA and SDMA significantly correlated with GFR. No significant genotype-phenotype relationship was ascertained for ADMA and DDAH variants, but SNP rs805304 exhibited marginally significant association with DN. ADMA, SDMA and L-arginine/ADMA ratio standardised to GFR were identified as significant predictors of DN progression but not GFR decline using multivariate competing risk analysis. CONCLUSIONS: In our study we confirmed potentially significant role of ADMA and SDMA for the assessment of risk of DN progression in European diabetic population.
- MeSH
- amidohydrolasy genetika MeSH
- arginin analogy a deriváty krev genetika MeSH
- diabetes mellitus 1. typu komplikace MeSH
- diabetes mellitus 2. typu komplikace MeSH
- diabetické nefropatie * krev etiologie genetika MeSH
- dospělí MeSH
- jednonukleotidový polymorfismus genetika MeSH
- lidé středního věku MeSH
- lidé MeSH
- metylace MeSH
- multivariační analýza MeSH
- následné studie MeSH
- prediktivní hodnota testů MeSH
- prognóza MeSH
- progrese nemoci * MeSH
- průřezové studie MeSH
- reprodukovatelnost výsledků MeSH
- rizikové faktory MeSH
- senioři MeSH
- Check Tag
- dospělí MeSH
- lidé středního věku MeSH
- lidé MeSH
- mužské pohlaví MeSH
- senioři MeSH
- ženské pohlaví MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Geografické názvy
- Česká republika MeSH