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논문 기본 정보

자료유형
학술저널
저자정보
Rajagopalan Kamarajan (Sathyabama Institute of Science and Technology (Deemed to be University)) Christyraj Jackson Durairaj Selvan (Sathyabama Institute of Science and Technology (Deemed to be University)) Chelladurai Karthikeyan Subbiahanadar (Sathyabama Institute of Science and Technology (Deemed to be University)) Das Puja (Sathyabama Institute of Science and Technology (Deemed to be University)) Mahendran Karthikeyan (Department of Zoology and Microbiology, Thiyagarajar College, Madurai) Nagarajan Logeshwari (Sathyabama Institute of Science and Technology (Deemed to be University)) Gunalan Saritha (Sathyabama Institute of Science and Technology (Deemed to be University))
저널정보
한국조직공학과 재생의학회 조직공학과 재생의학 조직공학과 재생의학 제21권 제2호
발행연도
2024.2
수록면
353 - 366 (14page)
DOI
10.1007/s13770-023-00599-w

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Background: Regeneration is a highly complex process that requires the coordination of numerous molecular events, and identifying the key ruler that governs is important to investigate. While it has been shown that TCTP is a multi-functional protein that regulates cell proliferation, differentiation, apoptosis, anti-apoptosis, stem cell maintenance, and immune responses, but only a few studies associated to regeneration have been reported. To investigate the multi-functional role of TCTP in regeneration, the earthworm Perionyx excavatus was chosen. Methods: Through pharmacological suppression of TCTP, amputation, histology, molecular docking, and western blotting, the multi-function role of TCTP involved in regeneration is revealed. Results: Amputational studies show that P. excavatus is a clitellum-independent regenerating earthworm resulting in two functional worms upon amputation. Arresting cell cycle at the G1/S boundary using 2 mM Thymidine confirms that P. excavatus execute both epimorphosis and morphallaxis regeneration mode. The pharmacological suppression of TCTP using buclizine results in regeneration suppression. Following the combinatorial injection of 2 mM Thymidine and buclizine, the earthworm regeneration is completely blocked, which suggests a critical functional role of TCTP in morphallaxis. The pharmacological inhibition of TCTP also suppresses the key proteins involved in regeneration: Wnt3a (stem cell marker), PCNA (cell proliferation) and YAP1 (Hippo signalling) but augments the expression of cellular stress protein p53. Conclusion: The collective results indicate that TCTP synchronously is involved in the process of stem cell activation, cell proliferation, morphallaxis, and organ development in the regeneration event.

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