2015
DOI: 10.1007/s11802-015-2401-y
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Expression analysis of the insulin-like growth factors I and II during embryonic and early larval development of turbot (Scophthalmus maximus)

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Cited by 9 publications
(10 citation statements)
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“…Regarding the expression of GH, the results show the presence of this hormone is detected in time in the hatching, post hatching and larvae, once the yolk has been absorbed, increasing from day 9 DDE. However, in species such as gilthead sea bream, the expression of GH in larvae was detected for the first time on day 3 after hatching (Funkenstein & Cohen, 1996), in Japanese sole, the percentage of GH increased continuously from the first feeding (~9 DAH), similar to the one obtained in this study, it seems that the highest percentage of GH through the early stages of life of the species present would be a physiological approach with high growth potential in the larval period, since that GH has growth‐promoting effects in teleosts, through the type I insulin growth factor (IGF) (Wen et al., 2015; Yang et al., 2019).…”
Section: Discussionsupporting
confidence: 87%
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“…Regarding the expression of GH, the results show the presence of this hormone is detected in time in the hatching, post hatching and larvae, once the yolk has been absorbed, increasing from day 9 DDE. However, in species such as gilthead sea bream, the expression of GH in larvae was detected for the first time on day 3 after hatching (Funkenstein & Cohen, 1996), in Japanese sole, the percentage of GH increased continuously from the first feeding (~9 DAH), similar to the one obtained in this study, it seems that the highest percentage of GH through the early stages of life of the species present would be a physiological approach with high growth potential in the larval period, since that GH has growth‐promoting effects in teleosts, through the type I insulin growth factor (IGF) (Wen et al., 2015; Yang et al., 2019).…”
Section: Discussionsupporting
confidence: 87%
“…In this sense, during the development of the larvae of A. tropicus , the level of expression of digestive hormones was determined on the initial ontogeny, using the scheme based on live food (rotifers and Artemia). According to our results, insulin expression (INS) is present in small units from the development of the embryo (egg), increasing on day 3 DDE when it is in the stage of eleuteroembryon, and presents variations in expression during development, increasing considerably at 19 DDE, when it is already considered a juvenile, with the entire digestive system fully developed, including the complete formation of a functional pancreas (Frías‐Quintana et al., 2015), where the INS hormone remains active as it has been detected Scophthalmus maximus (Hu et al., 2012; Wen et al., 2015), Oncorhynchus mykiss (Mennigen et al., 2013), Platichthys stellatus (Xu et al., 2015), Anguilla anguilla (Degani, 2016) expression in specific organs in So lea senegalensis , Dicentrarchus labrax , Oreochromis hornorum , Trichogaster trichopterus , Acipenser gueldenstaedtii (Degani, 2014; Degani et al., 2017; Funes et al., 2006; Gao et al., 2012; Patruno et al., 2008) and in relation to other studies of insulin function and regulation in fish (Degani et al., 1999; Irwin, 2004; Li et al., 2006; Reindl & Sheridan, 2012) and other vertebrates in general (Jin Chan & Steiner, 2000; Rodgers et al., 2008). However, recent studies reveal that certain species of fish (fugu and zebrafish) have multiple copies of the INS gene, possibly as a result of an event of gene duplication associated with the appearance of teleosts (Conlon, 2001; Irwin, 2004; Wood et al., 2005).…”
Section: Discussionmentioning
confidence: 99%
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“…Previous report documented increased igfII transcript levels in maraena white sh (Coregonus maraena) at the onset of oral feeding and during development into the ngerlings (Nipkow et al 2018). In turbot (Scophthalmus maximus) the mRNA levels of igfI and igfII sharply increased from the stage of unfertilized egg to post larvae, followed by a decrease with larval development (Wen et al 2015). These data indicate that both igfI and igfII are present in embryos (fertilized eggs), larvae and in the juvenile of pikeperch.…”
Section: Discussionmentioning
confidence: 84%
“…Typically, IGF1 and IGF2 have been identified in a wide variety of teleost, and similarly to mammals, are produced in the liver [7]. The IGF1 has been shown to directly impact the follicle-stimulating hormone (FSH) [8]. Additionally, it is widely accepted that IGF1 and IGF2 can affect gonadal development and germ cell proliferation in male and female gonads through endocrine function when released into circulation [7,9].…”
Section: Introductionmentioning
confidence: 99%