Isolation, culture and characterization of bovine choriocapillary endothelial cells.

Abstract:

:A long-term culture of choriocapillary endothelial cells (CCE) from bovine eyes has been established. We developed a micromanipulative technique with a dissecting microscope for isolation of choriocapillary sheets after a prolonged trypsinization of choroid tissues. We then used a cell sweeping technique to ensure a culture free of nonendothelial cell contamination. The cloned CCE possessed most morphological features and biochemical markers of capillary endothelial cells from other species and other origins. The CCE produced Factor VIII-related antigen and angiotensin-converting enzyme. The CCE phagocytized acetylated low density lipoprotein. The cell cycle time of CCE grown in a medium with sufficient soluble growth factors was dependent upon fibronectin (FN) coating concentrations. At a low concentration of FN (0.5 microgram cm-2) the cell doubling time was 42 hr, whereas at high FN (2 micrograms cm-2) the doubling time was 22 hr. The characterized choriocapillary endothelial cells produced by this method may be useful for studies of choriocapillary angiogenesis under physiological and pathological conditions.

journal_name

Exp Eye Res

authors

Liu X,Li W

doi

10.1006/exer.1993.1096

subject

Has Abstract

pub_date

1993-07-01 00:00:00

pages

37-44

issue

1

eissn

0014-4835

issn

1096-0007

pii

S0014-4835(83)71096-1

journal_volume

57

pub_type

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