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Title

Tissue Extract from Brittle Star Undergoing Arm Regeneration Promotes Wound Healing in Rat.

Authors

Afshar, Alireza; Khoradmehr, Arezoo; Nowzari, Fariborz; Baghban, Neda; Zare, Masoud; Najafi, Maryam; Keshavarzi, Seyedeh Zahra; Zendehboudi, Fatemeh; Mohebbi, Gholamhossein; Barmak, Alireza; Mohajer, Fatemeh; Basouli, Nahid; Keshtkar, Mohammadreza; Iraji, Aida; Sari Aslani, Fatemeh; Irajie, Cambyz; Nabipour, Iraj; Mahmudpour, Mehdi; Tanideh, Nader; Tamadon, Amin

Abstract

This study set out to evaluate the wound healing properties of brittle star extracts in vitro and in vivo. Due to the great arm regeneration potential of the brittle star, Ophiocoma cynthiae, the present study aimed to evaluate the wound healing effect of hydroalcoholic extracts of brittle star undergoing arm regeneration in wound healing models. The brittle star samples were collected from Nayband Bay, Bushehr, Iran. After wound induction in the arm of brittle stars, hydroalcoholic extracts relating to different times of arm regeneration were prepared. The GC-MS analysis, in vitro MTT cell viability and cell migration, Western blot, and computational analysis tests were performed. Based on the in vitro findings, two BSEs were chosen for in vivo testing. Macroscopic, histopathological and biochemical evaluations were performed after treatments. The results showed positive proliferative effects of BSEs. Specifically, forty-two compounds were detected in all groups of BSEs using GC-MS analysis, and their biological activities were assessed. The MTT assay showed that the 14 d BSE had a higher proliferative effect on HFF cells than 7 d BSE. The cell migration assay showed that the wound area in 7 d and 14 d BSEs was significantly lower than in the control group. Western blot analysis demonstrated an increase in the expression of proliferation-related proteins. Upon the computational analysis, a strong affinity of some compounds with proteins was observed. The in vivo analysis showed that the evaluation of wound changes and the percentage of wound healing in cell migration assay in the 7 d BSE group was better than in the other groups. Histopathological scores of the 7 d BSE and 14 d BSE groups were significantly higher than in the other groups. In conclusion, the hydroalcoholic extract of O. cynthiae undergoing arm regeneration after 7 and 14 days promoted the wound healing process in the cell and rat skin wound healing model due to their proliferative and migratory biological activity.

Subjects

SKIN regeneration; TISSUE extracts; REGENERATION (Biology); WOUND healing; HEALING; WESTERN immunoblotting; NATALIZUMAB

Publication

Marine Drugs, 2023, Vol 21, Issue 7, p381

ISSN

1660-3397

Publication type

Academic Journal

DOI

10.3390/md21070381

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