Capillary Rarefaction in Obesity and Metabolic Diseases-Organ-Specificity and Possible Mechanisms

Obesity and its comorbidities like diabetes, hypertension and other cardiovascular disorders are the leading causes of death and disability worldwide. Metabolic diseases cause vascular dysfunction and loss of capillaries termed capillary rarefaction. Interestingly, obesity seems to affect capillary beds in an organ-specific manner, causing morphological and functional changes in some tissues but not in others. Accordingly, treatment strategies targeting capillary rarefaction result in distinct outcomes depending on the organ. In recent years, organ-specific vasculature and endothelial heterogeneity have been in the spotlight in the field of vascular biology since specialized vascular systems have been shown to contribute to organ function by secreting varying autocrine and paracrine factors and by providing niches for stem cells. This review summarizes the recent literature covering studies on organ-specific capillary rarefaction observed in obesity and metabolic diseases and explores the underlying mechanisms, with multiple modes of action proposed. It also provides a glimpse of the reported therapeutic perspectives targeting capillary rarefaction. Further studies should address the reasons for such organ-specificity of capillary rarefaction, investigate strategies for its prevention and reversibility and examine potential signaling pathways that can be exploited to target it.

Medienart:

E-Artikel

Erscheinungsjahr:

2020

Erschienen:

2020

Enthalten in:

Zur Gesamtaufnahme - volume:9

Enthalten in:

Cells - 9(2020), 12 vom: 14. Dez.

Sprache:

Englisch

Beteiligte Personen:

Paavonsalo, Satu [VerfasserIn]
Hariharan, Sangeetha [VerfasserIn]
Lackman, Madeleine H [VerfasserIn]
Karaman, Sinem [VerfasserIn]

Links:

Volltext

Themen:

Capillary rarefaction
Endothelial cell
Inflammation Mediators
Journal Article
MicroRNAs
Obesity
Organotypic vasculature
Research Support, Non-U.S. Gov't
Review
VEGFR signaling

Anmerkungen:

Date Completed 17.06.2021

Date Revised 17.06.2021

published: Electronic

Citation Status MEDLINE

doi:

10.3390/cells9122683

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM318925249