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Effects of leptin and adiponectin on the cardiovascular system

Annales de biologie clinique (Paris), 2020-06, Vol.78 (3), p.253-260 [Peer Reviewed Journal]

Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 0003-3898 ;EISSN: 1950-6112 ;DOI: 10.1684/abc.2020.1548 ;PMID: 32420888

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  • Title:
    Effects of leptin and adiponectin on the cardiovascular system
  • Author: Genoux, Annelise ; Bastard, Jean-Philippe
  • Subjects: Adiponectin - pharmacology ; Adiponectin - physiology ; Animals ; Biomarkers - blood ; Cardiology and cardiovascular system ; Cardiotonic Agents - pharmacology ; Cardiovascular Diseases - blood ; Cardiovascular Diseases - diagnosis ; Cardiovascular Diseases - etiology ; Cardiovascular System - drug effects ; Cardiovascular System - physiopathology ; Endocrinology and metabolism ; Human health and pathology ; Humans ; Leptin - pharmacology ; Leptin - physiology ; Life Sciences ; Mice ; Risk Factors
  • Is Part Of: Annales de biologie clinique (Paris), 2020-06, Vol.78 (3), p.253-260
  • Description: Elevated circulating leptin levels have been associated with an increased cardiovascular risk in humans. However, recent meta-analyses show that certain epidemiological studies did not find this association, suggesting distinct effects of leptin depending on the pathophysiological context. Studies performed in mice deficient in leptin or in leptin receptors are often contradictory, showing both protective and deleterious effects of leptin. These effects appear to vary depending on the genetic background of the animal and the doses of leptin administered, making interpretation of the results difficult. In humans, elevated adiponectinemia is associated with a favourable cardiovascular risk profile. Adiponectin exerts protective effects at all stages of development of atherosclerotic plaque. However, our knowledge of the pathophysiological mechanisms involved in these protective effects has been established from cellular models, which do not necessarily reproduce the pathology in all its complexity. In addition, mouse models have a very different lipoprotein metabolism from humans, which does not always allow extrapolation of results to humans. Finally, epidemiological studies evaluating adiponectin as a marker of cardiovascular risk show paradoxical results since a high serum adiponectin concentration has not been associated with a reduction in the number of cardiovascular events but with an increase of cardiovascular and all causes mortality in healthy subjects and coronary patients. These observations illustrate the paradox of adipokines actions and show the complexity to use these biomarkers in cardiovascular diseases. Resistance to the action of these adipokines is one of the hypotheses put forward to explain these discrepancies.
  • Publisher: France: John Libbey Eurotext
  • Language: French;English
  • Identifier: ISSN: 0003-3898
    EISSN: 1950-6112
    DOI: 10.1684/abc.2020.1548
    PMID: 32420888
  • Source: Hyper Article en Ligne (HAL) (Open Access)
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