Induction of somatic growth in juvenile crayfish Cherax quadricarinatus (Decapoda, Parastacidae), by ecdysone and insulin growth factor

Effects of atrazine on growth and sex differentiation, in juveniles of the freshwater crayfish Cherax quadricarinatus

“…During the assays, juveniles were daily fed ad libitum with pelleted fish food (Tetra Diskus s , 50% protein), supplemented with Elodea sp. fresh leaves, according to previous studies (Avigliano et al, 2014;Chaulet et al, 2012Chaulet et al, , 2008Tropea et al, 2010). All the assays lasted 4 wk, within the period of December to July.…”

Discovery of a novel insulin-like peptide and insulin binding proteins in the Eastern rock lobster Sagmariasus verreauxi

“…Considering the abundance of ILPs with broader expression and functionality that have been identified across other invertebrate taxa, the lack of such ILPs in decapods suggests a significant gap in knowledge. As it stands, there is clear evidence of the glycostatic and anabolic effects of ectopic insulin and IGF-I administered to decapod crustaceans: including the lobster, Homarus americanus (Sanders, 1983a); crayfish Cherax quadricarinatus (Chaulet et al, 2012;Richardson et al, 1997); and shrimp Litopenaeus vannamei (Gutiérrez et al, 2007). Furthermore, the presence of putative ILPs has been demonstrated via insulin immunoreactivity in H. americanus (Sanders, 1983b) and the isolation of a 6 kDa protein with metabolic effects in the hepatopancreas of Panulirus argus (Gallardo et al, 2003).…”

Multifactorial interaction of growth factors on Penaeus monodon lymphoid cells and the impact of IGFs in DNA synthesis and metabolic activity in vitro

“…In addition, Richardson et al (1997) reported that IGF-I induced glucose metabolism in the red claw crayfish, Cherax quadricarinatus. Chaulet et al (2012) observed that IGF-I had a stimulatory effect on protein synthesis in the abdominal muscle of C. quadricarinatus in vitro. Gutiérrez et al (2007) reported that the IGF-I induced, elevated in vivo glucose metabolism in P. vannamei.…”

“…In the light of above observations BrdU incorporation in lymphoid cells of P. monodon was comparatively higher to the tune of 10 ± 1 and 24 ± 2 %, respectively, at the 24th and 48th h on growing them in SCCM supplemented with IGF-I and IGF-II which suggested progression in DNA synthesis over time. Insulin-like growth factor I (IGF-I) coordinates proliferation and differentiation in a wide variety of cell types, and its stimulatory effects on protein synthesis (Chaulet et al 2012), growth promoting effects and glucose metabolism (Mathews et al 1988) have been well documented. Baker and Carruthers (1980) suggested that the bovine insulin stimulated sugar transport in giant muscle fibers of the barnacle Balanus nubilis.…”