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  1. Artikel ; Online: Novel functions of Tribbles-homolog 1 in liver, adipocytes and atherosclerosis.

    Hernandez-Resendiz, Ileana / Burkhardt, Ralph

    Current opinion in lipidology

    2024  Band 35, Heft 2, Seite(n) 51–57

    Abstract: Purpose of review: Human genetics studies have sparked great interest in the pseudokinase Tribbles homolog 1, as variant at the TRIB1 gene locus were robustly linked to several cardiometabolic traits, including plasma lipids and coronary artery disease. ...

    Abstract Purpose of review: Human genetics studies have sparked great interest in the pseudokinase Tribbles homolog 1, as variant at the TRIB1 gene locus were robustly linked to several cardiometabolic traits, including plasma lipids and coronary artery disease. In this review, we summarize recent findings from mouse models that investigated the function of hepatic and adipocyte Trib1 in lipid metabolism and its role in atherosclerosis.
    Recent findings: Studies in atherosclerosis prone low-density lipoprotein (LDL)-receptor knockout mice suggested that systemic Trib1 -deficiency promotes atherosclerotic lesion formation through the modulation of plasma lipids and inflammation. Further, investigations in mice with hepatocyte specific deletion of Trib1 identified a novel role in the catabolism of apoB-containing lipoproteins via regulation of the LDL-receptor. Moreover, recent studies on Trib1 in adipocytes uncovered critical functions in adipose tissue biology, including the regulation of plasma lipid and adiponectin levels and the response to β3-adrenergic receptor activation.
    Summary: Functional studies in mice have expanded our understanding of how Trib1 contributes to various aspects of cardiometabolic diseases. They support the notion that Trib1 exerts tissue-specific effects, which can result in opposing effects on cardiometabolic traits. Additional studies are required to fully elucidate the molecular mechanisms underlying the cellular and systemic effects of Trib1 .
    Mesh-Begriff(e) Humans ; Mice ; Animals ; Liver/metabolism ; Coronary Artery Disease/genetics ; Lipoproteins/metabolism ; Atherosclerosis/genetics ; Atherosclerosis/metabolism ; Adipocytes ; Protein Serine-Threonine Kinases/genetics ; Protein Serine-Threonine Kinases/antagonists & inhibitors ; Intracellular Signaling Peptides and Proteins/metabolism
    Chemische Substanzen Lipoproteins ; TRIB1 protein, human ; Protein Serine-Threonine Kinases (EC 2.7.11.1) ; Intracellular Signaling Peptides and Proteins ; Trib1 protein, mouse
    Sprache Englisch
    Erscheinungsdatum 2024-01-17
    Erscheinungsland England
    Dokumenttyp Review ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1045394-5
    ISSN 1473-6535 ; 0957-9672
    ISSN (online) 1473-6535
    ISSN 0957-9672
    DOI 10.1097/MOL.0000000000000917
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Buch ; Dissertation / Habilitation: Identifizierung neuer genetischer Faktoren der Atherosklerose am Modell atheroskleroseresistenter und atheroskleroseempfindlicher Kaninchen

    Burkhardt, Ralph

    2005  

    Verfasserangabe eingereicht von: Ralph Burkhardt
    Sprache Deutsch
    Umfang 143 Bl. : Ill., graph. Darst.
    Erscheinungsland Deutschland
    Dokumenttyp Buch ; Dissertation / Habilitation
    Dissertation / Habilitation Leipzig, Univ., Diss., 2005
    HBZ-ID HT014543121
    Datenquelle Katalog ZB MED Medizin, Gesundheit

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  3. Artikel ; Online: Hyperlipidemia and cardiovascular disease: new insights on lipoprotein(a).

    Burkhardt, Ralph

    Current opinion in lipidology

    2019  Band 30, Heft 3, Seite(n) 260–261

    Mesh-Begriff(e) Cardiovascular Diseases/complications ; Humans ; Hyperlipidemias/blood ; Hyperlipidemias/complications ; Lipoprotein(a)/blood ; Risk Factors
    Chemische Substanzen Lipoprotein(a)
    Sprache Englisch
    Erscheinungsdatum 2019-05-02
    Erscheinungsland England
    Dokumenttyp Editorial ; Research Support, Non-U.S. Gov't
    ZDB-ID 1045394-5
    ISSN 1473-6535 ; 0957-9672
    ISSN (online) 1473-6535
    ISSN 0957-9672
    DOI 10.1097/MOL.0000000000000594
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Buch ; Online ; Dissertation / Habilitation: Validierung eines Enzyme-linked Immunosorbent Assay zur Bestimmung der Serum Konzentration des Melanoma Inhibitory Activity (MIA) Proteins

    Schneider, Till [Verfasser] / Burkhardt, Ralph [Akademischer Betreuer]

    2024  

    Verfasserangabe Till Schneider ; Betreuer: Ralph Burkhardt
    Schlagwörter Medizin, Gesundheit ; Medicine, Health
    Thema/Rubrik (Code) sg610
    Sprache Deutsch
    Verlag Universitätsbibliothek Regensburg
    Erscheinungsort Regensburg
    Dokumenttyp Buch ; Online ; Dissertation / Habilitation
    Datenquelle Digitale Dissertationen im Internet

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  5. Artikel ; Online: Fatty acid metabolism in cancer cells - the power of plasticity.

    Stadler, Sonja C / Burkhardt, Ralph

    Current opinion in lipidology

    2021  Band 32, Heft 6, Seite(n) 387–388

    Mesh-Begriff(e) Fatty Acids/metabolism ; Humans ; Lipid Metabolism ; Neoplasms/metabolism
    Chemische Substanzen Fatty Acids
    Sprache Englisch
    Erscheinungsdatum 2021-11-09
    Erscheinungsland England
    Dokumenttyp Journal Article
    ZDB-ID 1045394-5
    ISSN 1473-6535 ; 0957-9672
    ISSN (online) 1473-6535
    ISSN 0957-9672
    DOI 10.1097/MOL.0000000000000788
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  6. Artikel ; Online: Hyperlipidemia and cardiovascular disease: reinforcement for 'lower is better'.

    Burkhardt, Ralph

    Current opinion in lipidology

    2015  Band 26, Heft 5, Seite(n) 468–469

    Mesh-Begriff(e) Clinical Trials as Topic ; Coronary Artery Disease/enzymology ; Coronary Artery Disease/etiology ; Coronary Artery Disease/prevention & control ; Humans ; Hypercholesterolemia/complications ; Hypercholesterolemia/drug therapy ; Hypercholesterolemia/enzymology ; Proprotein Convertase 9 ; Proprotein Convertases/antagonists & inhibitors ; Proprotein Convertases/metabolism ; Serine Endopeptidases/metabolism ; Serine Proteinase Inhibitors/pharmacology ; Serine Proteinase Inhibitors/therapeutic use
    Chemische Substanzen Serine Proteinase Inhibitors ; PCSK9 protein, human (EC 3.4.21.-) ; Proprotein Convertase 9 (EC 3.4.21.-) ; Proprotein Convertases (EC 3.4.21.-) ; Serine Endopeptidases (EC 3.4.21.-)
    Sprache Englisch
    Erscheinungsdatum 2015-10
    Erscheinungsland England
    Dokumenttyp Editorial ; Research Support, Non-U.S. Gov't
    ZDB-ID 1045394-5
    ISSN 1473-6535 ; 0957-9672
    ISSN (online) 1473-6535
    ISSN 0957-9672
    DOI 10.1097/MOL.0000000000000221
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  7. Artikel ; Online: ATP-citrate lyase: a driver of metabolism and histone acetylation.

    Orsó, Evelyn / Burkhardt, Ralph

    Current opinion in lipidology

    2020  Band 31, Heft 6, Seite(n) 362–363

    Mesh-Begriff(e) ATP Citrate (pro-S)-Lyase/metabolism ; Acetylation ; Animals ; Histones/metabolism ; Humans
    Chemische Substanzen Histones ; ATP Citrate (pro-S)-Lyase (EC 2.3.3.8)
    Sprache Englisch
    Erscheinungsdatum 2020-11-15
    Erscheinungsland England
    Dokumenttyp Journal Article ; Research Support, Non-U.S. Gov't ; Review
    ZDB-ID 1045394-5
    ISSN 1473-6535 ; 0957-9672
    ISSN (online) 1473-6535
    ISSN 0957-9672
    DOI 10.1097/MOL.0000000000000719
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  8. Buch: Printdesign

    Burkhardt, Ralph

    Flyer, Broschüre, Plakat, Geschäftsausstattung ; [das Praxisbuch für Kommunikationsdesigner ; überzeugend planen, gestalten und produzieren ; mit hilfreichen Checklisten und Profitipps]

    (Rheinwerk Design)

    2015  

    Verfasserangabe Ralph Burkhardt
    Serientitel Rheinwerk Design
    Schlagwörter Plakat ; Visitenkarte ; Broschüre ; Werbemittel ; Geschäftsbrief ; Flyer
    Sprache Deutsch
    Umfang 576 S, zahlr. Ill., graph. Darst
    Ausgabenhinweis 1. Aufl
    Verlag Rheinwerk-Verl
    Erscheinungsort Bonn
    Dokumenttyp Buch
    ISBN 3836227967 ; 9783836227964
    Datenquelle Ehemaliges Sondersammelgebiet Küsten- und Hochseefischerei

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  9. Artikel: Benchmarking One-Phase Lipid Extractions for Plasma Lipidomics

    Höring, Marcus / Stieglmeier, Christoph / Schnabel, Katja / Hallmark, Tucker / Ekroos, Kim / Burkhardt, Ralph / Liebisch, Gerhard

    Analytical chemistry. 2022 Sept. 01, v. 94, no. 36

    2022  

    Abstract: A key element of successful lipidomics analysis is a sufficient extraction of lipid molecules typically by two-phase systems such as chloroform-based Bligh and Dyer (B&D). However, numerous metabolomics and lipidomics studies today apply easy to use one- ... ...

    Abstract A key element of successful lipidomics analysis is a sufficient extraction of lipid molecules typically by two-phase systems such as chloroform-based Bligh and Dyer (B&D). However, numerous metabolomics and lipidomics studies today apply easy to use one-phase extractions. In this work, quantitative flow injection analysis high-resolution mass spectrometry was applied to benchmark the lipid recovery of popular one-phase extraction methods for human plasma samples. The following organic solvents were investigated: methanol (MeOH), ethanol (EtOH), 2-propanol (IPA), 1-butanol (BuOH), acetonitrile (ACN) and the solvent mixtures BuOH/MeOH (3:1) and MeOH/ACN (1:1). The recovery of polar lysophospholipids was sufficient for all tested solvents. However, nonpolar lipid classes such as triglycerides (TG) and cholesteryl esters (CE) revealed extraction efficiencies less than 5% due to precipitation in polar solvents EtOH, MeOH, MeOH/ACN, and ACN. Sample pellets also contained a substantial amount of phospholipids, for example, more than 75% of total phosphatidylcholine and sphingomyelin for ACN. The loss of lipids by precipitation was directly related to the polarity of solvents and lipid classes. Although, lipid recovery increased with the volume of organic solvent, recovery in polar MeOH remains incomplete also for less polar lipid classes such as ceramides. Addition of stable isotope-labeled internal standards prior to lipid extraction could compensate for insufficient lipid recovery for polar lipid classes including lysolipids and phospholipids but not for nonpolar CE and TG. In summary, application of one-phase extractions should be limited to polar lipid classes unless sufficient recovery/solubility of nonpolar lipids has been demonstrated. The presented data reveal that appropriate lipid extraction efficiency is fundamental to achieve accurate lipid quantification.
    Schlagwörter acetonitrile ; analytical chemistry ; butanol ; ceramides ; ethanol ; flow injection analysis ; humans ; isopropyl alcohol ; isotope labeling ; lipidomics ; lysophospholipids ; mass spectrometry ; methanol ; phosphatidylcholines ; solubility ; solvents ; sphingomyelins
    Sprache Englisch
    Erscheinungsverlauf 2022-0901
    Umfang p. 12292-12296.
    Erscheinungsort American Chemical Society
    Dokumenttyp Artikel
    ZDB-ID 1508-8
    ISSN 1520-6882 ; 0003-2700
    ISSN (online) 1520-6882
    ISSN 0003-2700
    DOI 10.1021/acs.analchem.2c02117
    Datenquelle NAL Katalog (AGRICOLA)

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  10. Artikel ; Online: Lipid metabolism: spotlight on modulators of lipoprotein lipase activity.

    Arndt, Lilli / Burkhardt, Ralph

    Current opinion in lipidology

    2018  Band 29, Heft 2, Seite(n) 164–165

    Mesh-Begriff(e) Humans ; Lipid Metabolism ; Lipoprotein Lipase/metabolism
    Chemische Substanzen Lipoprotein Lipase (EC 3.1.1.34)
    Sprache Englisch
    Erscheinungsdatum 2018-03-08
    Erscheinungsland England
    Dokumenttyp Editorial ; Research Support, Non-U.S. Gov't
    ZDB-ID 1045394-5
    ISSN 1473-6535 ; 0957-9672
    ISSN (online) 1473-6535
    ISSN 0957-9672
    DOI 10.1097/MOL.0000000000000501
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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