1986
DOI: 10.1016/0304-4165(86)90295-3
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An inhibitor of ornithine decarboxylase in lactogen-deprived Nb2 node rat lymphoma cells

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Cited by 10 publications
(3 citation statements)
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“…(2) its inhibitory effect on ODC can be reversed by antizyme inhibitor; (3) its Mr (26000) agrees reasonably with reported values for antizymes from a variety of sources, such as rat liver (Heller et al, 1976;Fujita et al, 1984;Kitani & Fujisawa, 1984), mouse kidney (Hayashi et al, 1986), H-35 cells (Fong et al, 1976), L-1210 and mouse neuroblastoma cells (Heller et al, 1976), RK13 rabbit kidney cells (Murakami et al, 1986) and rat lymphoma cells (Richards et al, 1986), although antizymes of Mr 50000-90000 have also been found in rat thymus (Bishop et al, 1985), rat mammary gland (Hu & Brosnan, 1987) and rat lymphoma cells (Richards et al, 1986). Although we did not examine another important criterion for antizyme, namely its inducibility by polyamines (Fong et al, 1976), Laitinen et al (1985b) observed that intraventricular administration of spermine caused some increase in the amounts of free and total antizyme activities in mouse brain.…”
Section: Discussionsupporting
confidence: 84%
“…(2) its inhibitory effect on ODC can be reversed by antizyme inhibitor; (3) its Mr (26000) agrees reasonably with reported values for antizymes from a variety of sources, such as rat liver (Heller et al, 1976;Fujita et al, 1984;Kitani & Fujisawa, 1984), mouse kidney (Hayashi et al, 1986), H-35 cells (Fong et al, 1976), L-1210 and mouse neuroblastoma cells (Heller et al, 1976), RK13 rabbit kidney cells (Murakami et al, 1986) and rat lymphoma cells (Richards et al, 1986), although antizymes of Mr 50000-90000 have also been found in rat thymus (Bishop et al, 1985), rat mammary gland (Hu & Brosnan, 1987) and rat lymphoma cells (Richards et al, 1986). Although we did not examine another important criterion for antizyme, namely its inducibility by polyamines (Fong et al, 1976), Laitinen et al (1985b) observed that intraventricular administration of spermine caused some increase in the amounts of free and total antizyme activities in mouse brain.…”
Section: Discussionsupporting
confidence: 84%
“…Thus, antizymes of 50 kDa have been reported to be present in rat thymus [150] and mammary gland [151], and even antizyme of 90 kDa was observed in lymphoma cells [152]. Northern-blot analysis indicated that thymus extract contained a single hybridizable antizyme mRNA of a size identical with that of rat liver antizyme mRNA [73].…”
Section: Unsolved Problemsmentioning
confidence: 97%
“…Επίσης καθαρίστηκε και ένα ακόμη αντιένζυμο από την χρωματίνη των βλαστημένων σπερμάτων κριθαριού με εκχύλιση με 2Μ NaCl ή χαμηλές συγκεντρώσεις πολυαμινών (281).1.3.4Αν και το μέγεθος των mRNA είναι όμοιο, οι πρωτεΐνες παρουσιάζουν διαφορές στο μέγεθος. Τα μοριακά βάρη των αντιενζύμων από θύμο και λεμφοκύτ ταρα είναι 50-54 και 76-90 kDa αντίστοιχα(250,277).Χρησιμοποιώντας το cDNA του ηπατικού αντιενζύμου αρουραίου έγινε υβριδισμός με τα mRNA άλλων οργανισμών. Τα mRNA που υβριδίστηκαν είχαν μεγέθη: 1.2 και 1.4 kb σε συκώτι ανθρώπου 1.3 kb σε συκώτι κοτόπουλου 1.2 kb σε συκώτι βατράχου 1.5 kb σε συκώτι χελιού 1.3 kb σε συκώτι, νεφρούς και εγκέφαλο ποντικιού 1.3 kb σε κύτταρα ωοθήκης κινέζικου χάμστερ 1.3.5 Αντιένζυμο ηπατικών κυττάρων από Xenopus laevis Η ODC ήταν δυνατόν να επαχθεί σε ηπατικά κύτταρα 1.3.6 Αντιένζυμο στα Tetrahymena puri for mis H προσθήκη πολυαμινών σε Tetrahymena pyriformis προκαλεί πτώση στη δραστικότητα της ODC.…”
unclassified