NDLI: Effects of neuropeptide F on regeneration in Girardia tigrina (Platyhelminthes)

Content Provider	Springer Nature Link
Author	Kreshchenko, Natalia D. Sedelnikov, Zakhar Sheiman, Inna M. Reuter, Maria Maule, Aaron G. Gustafsson, Margaretha K. S.
Copyright Year	2007
Abstract	The effects of neuropeptide F (NPF; from Moniezia expansa) on the regeneration of Girardia tigrina were studied. The animals were decapitated and incubated in water (control) or NPF. The dynamics of the proliferation of the neoblasts in the developing tissue were studied during the course of regeneration by monitoring the mitotic index (MI). The effects of incubation in FMRFamide and GYIRFamide on the MI were also tested. The course of cephalic regeneration was followed with in vivo computer-assisted morphometry for up to 7 days. The development of the regenerating nervous system and the musculature was visualised by immunostaining with a primary antiserum to the C-terminal decapeptide of NPF (YFAIIGRPRFa) and tetramethylrhodamine-isothiocyanate-conjugated phalloidin, which stains F-actin in muscle filaments. The study showed that NPF had a stimulatory effect on the mitotic activity of the neoblasts. FMRFamide and GYIRFamide did not have this effect. NPF also stimulated the growth of the regenerating head and the growing nervous system and musculature. NPF is postulated to have a morphogenetic action in the regenerating animals.
Starting Page	739
Ending Page	750
Page Count	12
File Format	PDF
ISSN	0302766X
Journal	Cell and Tissue Research
Volume Number	331
Issue Number	3
e-ISSN	14320878
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-12-20
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Regeneration Neoblasts Mitotic index Neuropeptides Girardia tigrina (Platyhelminthes) Molecular Medicine Proteomics Human Genetics
Content Type	Text
Resource Type	Article
Subject	Cell Biology Histology Pathology and Forensic Medicine

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