Exploring Endothelial Expansion on a Chip

Angiogenesis is the development of new blood vessels from the existing vasculature. Its malfunction leads to the development of cancers and cardiovascular diseases qualified by the WHO as a leading cause of death worldwide. A better understanding of mechanisms regulating physiological and pathological angiogenesis will potentially contribute to developing more effective treatments for those urgent issues. Therefore, the main goal of the following study was to design and manufacture an angiogenesis-on-a-chip microplatform, including cylindrical microvessels created by Viscous Finger Patterning (VFP) technique and seeded with HUVECs. While optimizing the VFP procedure, we have observed that lumen's diameter decreases with a diminution of the droplet's volume. The influence of Vascular Endothelial Growth Factor (VEGF) with a concentration of 5, 25, 50, and 100 ng/mL on the migration of HUVECs was assessed. VEGF's solution with concentrations varying from 5 to 50 ng/mL reveals high angiogenic potential. The spatial arrangement of cells and their morphology were visualized by fluorescence and confocal microscopy. Migration of HUVECs toward loaded angiogenic stimuli has been initiated after overnight incubation. This research is the basis for developing more complex vascularized multi-organ-on-a-chip microsystems that could potentially be used for drug screening.

Medienart:

E-Artikel

Erscheinungsjahr:

2022

Erschienen:

2022

Enthalten in:

Zur Gesamtaufnahme - volume:22

Enthalten in:

Sensors (Basel, Switzerland) - 22(2022), 23 vom: 02. Dez.

Sprache:

Englisch

Beteiligte Personen:

Konopka, Joanna [VerfasserIn]
Kołodziejek, Dominik [VerfasserIn]
Flont, Magdalena [VerfasserIn]
Żuchowska, Agnieszka [VerfasserIn]
Jastrzębska, Elżbieta [VerfasserIn]
Brzózka, Zbigniew [VerfasserIn]

Links:

Volltext

Themen:

Angiogenesis-on-a-chip
Human Umbilical Vein Endothelial Cells (HUVECs)
Journal Article
Lumen
Micro-milling
Microfluidics
Microvessel
Sprouting
Vascular Endothelial Growth Factor (VEGF)
Vascular Endothelial Growth Factor A
Vessel-on-a-chip
Viscous Finger Patterning (VFP)

Anmerkungen:

Date Completed 16.12.2022

Date Revised 21.12.2022

published: Electronic

Citation Status MEDLINE

doi:

10.3390/s22239414

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

NLM350143242