Uneven distribution pattern and increasing numbers of mesenchyme cells during development in the starfish, Asterina pectinifera

During development, the embryos and larvae of the starfish Asterina pectinifera possess a single type of mesenchyme cell. The aim of this study was to determine the patterns of behavior of mesenchyme cells during the formation of various organs. To this end, we used a monoclonal antibody (mesenchyme...

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Bibliographic Details
Published in:Development, growth & differentiation growth & differentiation, 2011-04, Vol.53 (3), p.440-449
Main Authors: Hamanaka, Gen, Hosaka, Eri, Kuraishi, Ritsu, Hosoya, Natsumi, Matsumoto, Midori, Kaneko, Hiroyuki
Format: Article
Language:English
Subjects:
Animals
Asterina - cytology
Asterina - embryology
Asterina pectinifera
Asteroidea
cell numbers
distribution pattern
Embryo, Nonmammalian - cytology
Embryo, Nonmammalian - metabolism
Marine
mesenchyme cells
Mesoderm - cytology
Mesoderm - embryology
organ formation
Organogenesis - physiology
starfish
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Summary:During development, the embryos and larvae of the starfish Asterina pectinifera possess a single type of mesenchyme cell. The aim of this study was to determine the patterns of behavior of mesenchyme cells during the formation of various organs. To this end, we used a monoclonal antibody (mesenchyme cell marker) to identify the distribution patterns and numbers of mesenchyme cells. Our results revealed the following: (i) mesenchyme cell behavior differs in the formation of different organs, showing temporal variations and an uneven pattern of distribution; and (ii) mesenchyme cells continue to be generated throughout development, and their numbers are tightly regulated in proportion to total cell numbers.
ISSN:0012-1592
1440-169X
DOI:10.1111/j.1440-169X.2011.01259.x