Development of a pluripotent ES-like cell line from Asian sea bass (Lates calcarifer)--an oviparous stem cell line mimicking viviparous ES cells.
We report a pluripotent embryonic stem cell-like cell line designated as SBES from blastula stage embryos of Asian sea bass (Lates calcarifer), which is an economically important cultivable and edible marine fish species in India. The SBES cells were cultured at 28 degrees C in Leibovitz L-15 medium supplemented with 20% fetal bovine serum without a feeder layer. The ES-like cells were round or polygonal and grew exponentially in culture. The SBES cells exhibited an intense alkaline phosphatase activity and expression of transcription factor Oct 4. The undifferentiated state of these cells was maintained at low seeding densities and the cells formed embryoid bodies when seeded in bacteriological plates. On treatment with all-trans retinoic acid, these cells differentiated into neuron-like cells, muscle cells, and beating cardiomyocytes, indicating their pluripotency. This embryonic ES-like cell line derived from an oviparous fish blastula conserved several peculiar features of viviparous mammalian embryonic stem cell lines. The present study highlights the importance and potential of piscine ES-like cell line for stem cell research without evoking ethical issues and invasive interventions sparing mammalian embryos.
Parameswaran
V
V
Aquaculture Biotechnology Division, Department of Zoology, C. Abdul Hakeem College, Melvisharam-632 509, Vellore Dt. India.
Shukla
Ravi
R
Bhonde
Ramesh
R
Hameed
A S Sahul
AS
D000469:Alkaline Phosphatase / Q000032:analysis; D000818:Animals; D036703:Blastula / Q000166:cytology / Q000502:physiology; D018929:Cell Culture Techniques / Q000379:methods; D002454:Cell Differentiation / Q000502:physiology; D002460:Cell Line; D053595:Embryonic Stem Cells / Q000166:cytology* / Q000187:drug effects / Q000502:physiology; D007004:Hypoglycemic Agents / Q000494:pharmacology; D007328:Insulin / Q000494:pharmacology; D007641:Keratolytic Agents / Q000494:pharmacology; D050814:Octamer Transcription Factor-3 / Q000032:analysis; D010473:Perciformes / Q000502:physiology*; D039904:Pluripotent Stem Cells / Q000166:cytology* / Q000187:drug effects / Q000502:physiology; D014212:Tretinoin / Q000494:pharmacology
D007004:Hypoglycemic Agents; D007328:Insulin; D007641:Keratolytic Agents; D050814:Octamer Transcription Factor-3; D014212:Tretinoin; D000469:Alkaline Phosphatase
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