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32. Bezobratlí na katedře ekologie Přírodovědecké fakulty Univerzity Karlovy v Praze
- Creator:
- Jan Fott
- Format:
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- Type:
- article, text, články, journal articles, model:article, and TEXT
- Subject:
- Biologické vědy, Univerzita Karlova., Katedra ekologie, ekologie, přírodovědný výzkum, bezobratlí, ecology, natural science research, invertebrates, univerzitní výzkum, university research, 2, and 57/59
- Language:
- Czech
- Description:
- Jan Fott.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
33. Biliary system architecture: experimental models and visualization techniques
- Creator:
- Sarnova, L. and Gregor, M.
- Format:
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- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Fyziologie člověka a srovnávací fyziologie, cholestáza, vizualizace (počítačová grafika), morfologie (biologie), cholestasis, visualization (computer graphics), morphology (biology), biliary system, mouse model, 14, and 612
- Language:
- English
- Description:
- The complex architecture of the liv er biliary network represents a structural prerequisite for the formation and secretion of bile as well as excretion of toxic substances through bile ducts. Disorders of the biliary tract affect a significant portion of the worldwide population, often leading to cholestatic liver diseases. Cholestatic liver disease is a condition that results from an impairment of bile formation or bile flow to the gallbladder and duodenum. Cholestasis leads to dramatic changes in biliary tree architecture, worsening liver disease and systemic illness. Recent studies show that the preva lence of cholestatic liver diseases is increasing. The availability of well characterized animal models, as well as development of visualization approaches constitutes a critical asset to develop novel pathogenetic concepts and new treatment strategies., L. Sarnova, M. Gregor., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
34. Bilirubin and atherosclerotic diseases
- Creator:
- Libor Vítek
- Format:
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- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Fyziologie člověka a srovnávací fyziologie, bilirubin, ateroskleróza, kardiovaskulární nemoci, atherosclerosis, cardiovascular diseases, benign hyperbilirubinemia, Gilbert syndrome, 14, and 612
- Language:
- English
- Description:
- Bilirubin is the final product of heme catabolism in the systemic circulation. For decades, increased serum/plasma bilirubin levels were considered an ominous sign of an underlying liver disease. However, data from recent years convincin gly suggest that mildly elevated bilirubin concentrations are as sociated with protection against various oxidative stress-mediated diseases, atherosclerotic conditions being the most clinically relevant. Although scarce data on beneficial effects of bilirubin had been published also in the past, it took until 1994 when the first clinical study demonstrated an increased risk of coronary heart disease in subjects with low serum bilirubin levels, and bilirubin was found to be a risk factor for atherosclerotic diseases independent of standard risk factors. Consistent with t hese results, we proved in our own studies, that subjects with mild elevation of serum levels of unconjugated bilirubin (benign hyperbilirubinemia, Gilbert syndrome) have much lower prevalence/incidence of cor onary heart as well as peripher al vascular disease. We have also demonstrated that this association is even more general, with serum bilirubin being a biomarker of numerous other diseases, often associated with increased risk of atherosclerosis. In addition, very recent data have demonst rated biological pathways modulated by bilirubin, which are responsible for observed strong clinical associations., L. Vítek., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
35. Biologie bezobratlých na Přírodovědecké fakultě Univerzity Hradec Králové
- Creator:
- Pech, Pavel, Petr Bogusch, and Michal Andreas
- Format:
- print, bez média, and svazek
- Type:
- article, text, články, journal articles, model:article, and TEXT
- Subject:
- Biologické vědy, Univerzita Hradec Králové., Přírodovědecká fakulta, Přírodovědecká fakulta., Katedra biologie, bezobratlí, studium a výuka, přírodovědný výzkum, invertebrates, study and teaching, natural science research, výzkum bezobratlých, výzkum, univerzitní výzkum, research, university research, 2, and 57/59
- Language:
- Czech
- Description:
- Pavel Pech, Petr Bogusch, Michal Andreas.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
36. Bioluminiscence hub - odvěký a stále záhadný fenomén
- Creator:
- Michal Sochor and Egertová, Zuzana
- Format:
- print, bez média, and svazek
- Type:
- article, text, články, journal articles, model:article, and TEXT
- Subject:
- Biologické vědy, bioluminiscence, houby, mykologie, bioluminescence, mushrooms, mycology, Fungi, Mycena chlorophos, Filoboletus manipularis, 2, and 57/59
- Language:
- Czech
- Description:
- Ačkoli bylo světélkování u hub doloženo již ve starověku, intenzivnějšího vědeckého studia se tomuto jevu dostává teprve v posledních letech. Článek shrnuje naše dosavadní poznání bioluminiscence u hub z hlediska evolučního, ekologického i fyziologického. Jeho součástí jsou i fotografie dvou tropických druhů se světélkujícími plodnicemi - Mycena chlorophos a Filoboletus manipularis., Bioluminescence in fungi was first observed in the Archaic period or earlier, but it has only recently been studied scientifically. This paper sums up our knowledge on this phenomenon from evolutionary, ecological, and physiological points of view. Included are photos of two tropical species with luminescent fruiting bodies - Mycena chlorophos and Filoboletus manipularis., and Michal Sochor, Zuzana Egertová.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
37. Biotransformace v každodenním životě
- Creator:
- Ženata, Ondřej
- Format:
- bez média and svazek
- Type:
- article, text, články, journal articles, model:article, and TEXT
- Subject:
- Biologické vědy, biologie, biotransformace, enzymy, metabolismus, membránový transport, kontaminanty, biology, biotransformation, enzymes, metabolism, membrane transport, contaminants, 2, and 57/59
- Language:
- Czech
- Description:
- V tomto článku je nastíněn základní úvod do problematiky biotransformace a jejich možných negativních důsledků. V textu jsou popsány tři fáze biotransformace a u každé z nich případ, se kterým se čtenář ve svém životě může setkat. Dále je zde jednoduchým způsobem vysvětlena nomenklatura biotransformačních enzymů a transportérů a článek tak celkově poskytuje základní povědomí o komplexnosti biotransformace., This article outlines a basic introduction to the topic of biotransformation and its possible negative consequences. The text describes three phases of biotransformation and each is presented in an example which the reader may encounter in everyday life. Furthermore, in a simple way, the nomenclature of biotransformation enzymes and transporters is explained and thus the paper provides a basic understanding of the complexity of biotransformation., and Ondřej Ženata.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
38. Blood pressure and hemodynamics: Mayer waves in different phases of ovarian and menstrual cycle in women
- Creator:
- Lutsenko, O. I. and Kovalenko, S. O.
- Format:
- print, bez média, and svazek
- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Fyziologie člověka a srovnávací fyziologie, krevní tlak, blood pressure, spontaneous baroreflex sensitivity, Mayer waves, ovarian-menstrual cycle, 14, and 612
- Language:
- English
- Description:
- The goal of the research is to investigate the special effect of ovarian-menstrual cycle phases on the level of women’s blood pressure and characteristics of Mayer waves. 77 women aged 18-19 were tested under condition close to the state of basal metabolism in follicular phase (I), ovulation (II) and luteal phase (III) of ovarian-menstrual cycle. In phases II and III, the increase of mean and diastolic blood pressure level, in comparison with phase I in the prone position at rest and with psycho-emotional loading, were observed. The distinctions between variation parameters of R-R interval duration, stroke volume and its synchronization in phases II and III, in comparison with phase I, were observed in the prone position at rest, during tilt-test and with psycho-emotional loading. The substantial level of relationship between the power of Mayer waves and mean and diastolic blood pressure, mainly in phase I under conditions of all types, is observed. The maximum peak amplitude of stroke volume spectrogram is associated with pressure levels in the range of 0.04-0.15 Hz (ρ from -0.33 to -0.64). The obtained results indicate the possible participation of spontaneous baroreflex sensitivity characteristics in keeping blood pressure level in women., O. I. Lutsenko, S. O. Kovalenko., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/publicdomain/mark/1.0/ and policy:public
39. Bohemikální prameny ve fondech a sbírkách knihoven, archivů, muzeí a dokumentačních center a jejich zpřístupnění
- Creator:
- Jana Vozková
- Format:
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- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Mezinárodní sdružení hudebních knihoven, archivů a dokumentačních středisek, 2011-2020, digitalizace dokumentů, hudební archivy, hudební knihovny, muzikologie, digitization of documents, music archives, music libraries, musicology, České Budějovice (Česko), České Budějovice (Czechia), 78.01, 026.07:78, 78:930.253, 002.2:004, and (046)
- Language:
- Czech
- Description:
- Příspěvek Jany Vozkové je zprávou ze zasedání České národní skupiny IAML, které se uskutečnilo v Českých Budějovicích ve dnech 19. až 20. září., Jana Vozková., Rubrika: Konference, and Cizojazyčné resumé není.
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public
40. Bone mineral density in patients with apolipoprotein E type 2/2 and 4/4 genotype
- Creator:
- Tomáš Štulc, Richard Češka, Aleš Hořínek, and Jan Štěpán
- Format:
- print, bez média, and svazek
- Type:
- article, články, journal articles, model:article, and TEXT
- Subject:
- Fyziologie člověka a srovnávací fyziologie, osteoporóza, vitamin K, osteoporosis, bone mineral density, bone turnover, apolipoprotein E, 14, and 612
- Language:
- English
- Description:
- The peak bone mass and the rate of bone loss are in part genetically determined. It has been suggested that bone mineral density (BMD) may be related to allelic variation in the apolipoprotein E (ApoE) gene locus. ApoE is important in the receptor-mediated clearance of chylomicron particles from the plasma, Apo E4 having the highest and Apo E2 the lowest receptor affinity. Chylomicrons are the main carrier of vitamin K in the plasma; vitamin K plays an important role in the carboxylation of osteocalcin. We have tested the hypothesis that persons with E4 variant would have lower BMD and increased bone turnover than those with E2 variant. A total of 18 ApoE 2/2 and ApoE 4/4 homozygotes were selected from 873 patients who were examined for the ApoE genotype. BMD in lumbar vertebral, femoral neck and distal forearm was measured and plasma concentrations of osteocalcin and C-terminal fragments of collagen (CTx) were determined. BMD values (expressed as T-score) at the three specified sites were -0.12± 1.72, -0.52± 1.32 and -0.52± 0.81 in ApoE 2/2 group and -0.24± 1.22, 0.00± 0.84 and -0.17± 1.07 in the ApoE 4/4 group. Plasma osteocalcin and CTx were within normal limits in both groups. In conclusion, we did not observe any association of ApoE genotype with BMD and biochemical markers of bone metabolism in ApoE 2/2 and ApoE 4/4 homozygotes., T. Štulc, R. Češka, A. Hořínek, J. Štěpán., and Obsahuje bibliografii
- Rights:
- http://creativecommons.org/licenses/by-nc-sa/4.0/ and policy:public