NDLI: Microscopical study of experimental wound healing in Notothenia coriiceps (Cabeçuda) at 0°C

Content Provider	Springer Nature Link
Author	Cunha da Silva, José Roberto Machado Cooper, Edwin Lowell Sinhorini, Idércio Luiz Borges, João Carlos Shimada Jensch Junior, Bernard Ernesto Porto Neto, Laércio Ribeiro Hernandez Blazquez, Francisco Javier Vellutini, Bru Cossermelli Pressitti, Leandro gueira Costa Pinto, Frederico Azevedo
Copyright Year	2005
Abstract	Notothenia coriiceps (Cabeçuda) is an Antarctic benthic fish frequently found with lesions in the tegument caused by seal predation. We have investigated epidermal repair in these animals by means of a microscopic study of experimental wound healing at 0°C. At 24–48 h after wound induction, mucous exudate and necrotic lining cells covered the wound. At 7–14 days, an epidermal “tongue” could be discerned, folded at the tip, with intercellular oedema between the tip and the wound border. After 23–30 days, the wound was completely closed and the migrating epidermis, with intercellular oedema, was reduced. By 45–90 days, melanocytes progressively increased in the epidermis but no scales were formed. The inflammatory infiltrate was mainly composed of neutrophils after 7 days, at which time they were mostly replaced by macrophages; lymphocytes and plasma cells were also present. The border epidermis slid towards the centre, folding at the tip and finally fusing to form a diaphragm. The cells of the epidermis began to multiply only after complete closure of the wound. The lack of scale formation on induced and naturally found wounds, even after 90 days, suggests that different mechanisms in wound repair occur at 0°C from those in fish from temperate and tropical environment. This is the first report of successful wound repair at polar temperatures, indicating the adaptation of N. coriiceps to the Antarctic environment.
Starting Page	401
Ending Page	410
Page Count	10
File Format	PDF
ISSN	0302766X
Journal	Cell and Tissue Research
Volume Number	321
Issue Number	3
e-ISSN	14320878
Language	English
Publisher	Springer-Verlag
Publisher Date	2005-07-13
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Wound healing Inflammation Skin Antarctic fish Notothenia coriiceps (Teleostei)
Content Type	Text
Resource Type	Article
Subject	Cell Biology Histology Pathology and Forensic Medicine

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