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Title: ECM-Body: A Cell-Free 3D Biomimetic Scaffold Derived from Intact Planarian Body
Authors: Ekasit Sonpho
Chanida Wootthichairangsan
Miyuki Ishida
Takeshi Inoue
Kiyokazu Agata
Anchuleerat Maleehuan
Komgrid Charngkaew
Nusara Chomanee
Saengduen Moonsom
Patompon Wongtrakoongate
Arthit Chairoungdua
Puey Ounjai
Mahidol University
Gakushuin University
Ministry of Education
Keywords: Agricultural and Biological Sciences
Issue Date: 1-Aug-2020
Citation: Zoological science. Vol.37, No.4 (2020), 307-313
Abstract: Extracellular matrix (ECM) plays key roles in shaping fates of stem cells, not only by providing a suitable niche but also by mediating physical and biochemical cues. Despite intensive investigations on regeneration, the roles of ECM in fate determination of stem cells in animals with great regenerative potency, such as planarian, have remained unclear. Here, we developed a method for decellularizing and isolating extracellular matrix from planarians. Although the isolated scaffold appears translucent, it contains all the internal features resembling those of the structure of intact planarians, and we thus called it the "ECM-body". Nuclear staining demonstrated that the ECM-body contains very few or no remaining cells. Histological sections displayed well-preserved morphological integrity of the specimen. Scanning electron microscopy showed a porous surface on the ECM-body, potentially suitable for housing cells. Furthermore, our preliminary experiment suggested that ECM-body can be utilized as a biomimetic scaffold for cell culture as it may support survival of injected neoblasts.
ISSN: 02890003
Appears in Collections:Scopus 2020

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