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  • Title: The role of cadherin-catenin-cytoskeleton complex in angiogenesis: antisense oligonucleotide of plakoglobin promotes angiogenesis in vitro, and protein kinase C (PKC) enhances angiogenesis through the plakoglobin signaling pathway.
    Author: Nagashima H, Okada M, Hidai C, Hosoda S, Kasanuki H, Kawana M.
    Journal: Heart Vessels; 1997; Suppl 12():110-2. PubMed ID: 9476558.
    Abstract:
    Angiogenesis plays an important role in various diseases and conditions such as malignant tumor, wound healing, and atherosclerosis. Since cell-to-cell adhesion may play a key role in angiogenesis, we investigated the effect of the cadherin-catenin-cytoskeleton complex on angiogenesis in human umbilical vein endothelial cells (HUVECs). Immunofluorescence staining revealed that alpha-catenin, beta-catenin, and plakoglobin were concentrated at cell-cell contacts in HUVECs. Antisense oligonucleotide (AS-oligo), complementary to the region of human plakoglobin was dissolved in saline and applied to the media at 1 mM every 12 h for 4 days, and sense oligonucleotide (S-oligo) was used as control. HUVEC migration from an injury line was enhanced by AS-oligo. Interestingly, HUVECs migrated in line with S-oligo, and in a scattered fashion with AS-oligo. Tube formation on Matrigel occurred earlier with AS-oligo than with S-oligo. These findings indicate that plakoglobin inhibited HUVEC migration and tube formation (angiogenesis) by regulating cell-cell adhesion.
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