Pigment cell differentiation in sea urchin blastula-derived primary cell cultures. 2014

Natalya V Ageenko, and Konstantin V Kiselev, and Pavel S Dmitrenok, and Nelly A Odintsova
Cytotechnology Laboratory, A.V. Zhirmunsky Institute of Marine Biology, FEB RAS, Vladivostok 690041, Russia. natkuprina@mail.ru.

The quinone pigments of sea urchins, specifically echinochrome and spinochromes, are known for their effective antioxidant, antibacterial, antifungal, and antitumor activities. We developed in vitro technology for inducing pigment differentiation in cell culture. The intensification of the pigment differentiation was accompanied by a simultaneous decrease in cell proliferation. The number of pigment cells was two-fold higher in the cells cultivated in the coelomic fluids of injured sea urchins than in those intact. The possible roles of the specific components of the coelomic fluids in the pigment differentiation process and the quantitative measurement of the production of naphthoquinone pigments during cultivation were examined by MALDI and electrospray ionization mass spectrometry. Echinochrome A and spinochrome E were produced by the cultivated cells of the sand dollar Scaphechinus mirabilis in all tested media, while only spinochromes were found in the cultivated cells of another sea urchin, Strongylocentrotus intermedius. The expression of genes associated with the induction of pigment differentiation was increased in cells cultivated in the presence of shikimic acid, a precursor of naphthoquinone pigments. Our results should contribute to the development of new techniques in marine biotechnology, including the generation of cell cultures producing complex bioactive compounds with therapeutic potential.

UI MeSH Term Description Entries
D009285 Naphthoquinones Naphthalene rings which contain two ketone moieties in any position. They can be substituted in any position except at the ketone groups. Naphthalenediones,Naphthazarins,Naphthoquinone
D010860 Pigments, Biological Any normal or abnormal coloring matter in PLANTS; ANIMALS or micro-organisms. Biological Pigments
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D012617 Sea Urchins Somewhat flattened, globular echinoderms, having thin, brittle shells of calcareous plates. They are useful models for studying FERTILIZATION and EMBRYO DEVELOPMENT. Echinoidea,Sand-Dollar,Clypeasteroida,Sand Dollars,Clypeasteroidas,Dollar, Sand,Dollars, Sand,Echinoideas,Sand Dollar,Sand-Dollars,Sea Urchin,Urchin, Sea,Urchins, Sea
D049109 Cell Proliferation All of the processes involved in increasing CELL NUMBER including CELL DIVISION. Cell Growth in Number,Cellular Proliferation,Cell Multiplication,Cell Number Growth,Growth, Cell Number,Multiplication, Cell,Number Growth, Cell,Proliferation, Cell,Proliferation, Cellular
D061251 Primary Cell Culture The initial culturing of cells derived directly from fresh TISSUES. Cell Culture, Primary,Cell Cultures, Primary,Primary Cell Cultures
D019032 Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization A mass spectrometric technique that is used for the analysis of large biomolecules. Analyte molecules are embedded in an excess matrix of small organic molecules that show a high resonant absorption at the laser wavelength used. The matrix absorbs the laser energy, thus inducing a soft disintegration of the sample-matrix mixture into free (gas phase) matrix and analyte molecules and molecular ions. In general, only molecular ions of the analyte molecules are produced, and almost no fragmentation occurs. This makes the method well suited for molecular weight determinations and mixture analysis. Laser Desorption-Ionization Mass Spectrometry, Matrix-Assisted,MALD-MS,MALDI,Mass Spectrometry, Matrix-Assisted Laser Desorption-Ionization,Mass Spectroscopy, Matrix-Assisted Laser Desorption-Ionization,Matrix-Assisted Laser Desorption-Ionization Mass Spectrometry,Spectroscopy, Mass, Matrix-Assisted Laser Desorption-Ionization,MALDI-MS,MS-MALD,SELDI-TOF-MS,Surface Enhanced Laser Desorption Ionization Mass Spectrometry,Laser Desorption Ionization Mass Spectrometry, Matrix Assisted,MALDI MS,Mass Spectrometry, Matrix Assisted Laser Desorption Ionization,Mass Spectroscopy, Matrix Assisted Laser Desorption Ionization,Matrix Assisted Laser Desorption Ionization Mass Spectrometry
D036703 Blastula An early non-mammalian embryo that follows the MORULA stage. A blastula resembles a hollow ball with the layer of cells surrounding a fluid-filled cavity (blastocele). The layer of cells is called BLASTODERM. Blastulae

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