Phenotype-dependent expression of cadherin 6B in vascular and visceral smooth muscle cells.
We used mRNA subtraction of differentiated and dedifferentiated smooth muscle cells (SMCs) to reveal the molecular mechanisms underlying the phenotypic modulation of SMCs. With this approach, we found that a 10 kb mRNA encoding a homotypic cell adhesion molecule, cadherin 6B, was strongly expressed in differentiated vascular and visceral SMCs, but not in the dedifferentiated SMCs derived from them. In vivo, cadherin 6B was expressed in vascular and visceral SMCs, in addition to brain, spinal cord, retina and kidney, at a late stage of chicken embryonic development. These results suggest that cadherin 6B is a novel molecular marker for vascular and visceral SMC phenotypes and is involved in the late differentiation of SMCs.
Chimori
Y
Y
Division of Neurochemistry and Neuropharmacology, Department of Neuroscience, Biomedical Research Center, Osaka University Graduate School of Medicine (C13), 2-2 Yamadaoka, Suita, Osaka, Japan.
Hayashi
K
K
Kimura
K
K
Nishida
W
W
Funahashi
S
S
Miyata
S
S
Shimane
M
M
Matsuzawa
Y
Y
Sobue
K
K
D000818:Animals; D015415:Biomarkers; D015820:Cadherins / Q000235:genetics* / Q000378:metabolism; D002454:Cell Differentiation; D002478:Cells, Cultured; D002642:Chick Embryo; D005455:Fluorescent Antibody Technique; D018507:Gene Expression Regulation, Developmental; D017403:In Situ Hybridization; D009130:Muscle, Smooth / Q000378:metabolism*; D016376:Oligonucleotides, Antisense; D010641:Phenotype; D012333:RNA, Messenger / Q000378:metabolism; D014781:Viscera / Q000378:metabolism
D015415:Biomarkers; D015820:Cadherins; D016376:Oligonucleotides, Antisense; D012333:RNA, Messenger