Patterns and cellular mechanisms of arm regeneration in adult starfish Asterias rollestoni bell |
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| Authors: | Tingjun Fan Xianyuan Fan Yutang Du Wenjie Sun Shaofeng Zhang Jiaxin Li |
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| Institution: | Department of Marine Biology, College of Marine Life Sciences, Ocean University of China, Qingdao 266003, P. R. China |
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| Abstract: | To understand the mechanisms of starfish regeneration, the arms of adult starfish Asterias rollestoni Bell were amputated and their regeneration patterns and cellular mechanisms were studied. It was found that cells in the outer epidermis and inner parietal peritoneum near the end of the stump began to dedifferentiate 4 d after amputation. The dedifferentiated cells in the outer epidermis proliferated,migrated to the wound site and formed a thickened pre-epidermis which would then re-differentiate gradually... |
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| Keywords: | arm regeneration blastema-like structure adult starfish Asterias rollestoni Bell |
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