1983
DOI: 10.1016/0006-2952(83)90530-0
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Formation and disposition of 7-hydroxymethorexate in rabbits

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Cited by 33 publications
(17 citation statements)
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“…This may be due to the extensive biotransformation of MTX into 7-OH-MTX in the rabbit (Sasaki et al, 1983), as confirmed in the present study. Although 7-OH-MTX is an active metabolite (Fabre et al, 1986), a more recent study concluded that cell growth is only weakly inhibited in the presence of 7-OH-MTX as compared to MTX (Seither et al, 1989).…”
Section: Discussionsupporting
confidence: 84%
See 1 more Smart Citation
“…This may be due to the extensive biotransformation of MTX into 7-OH-MTX in the rabbit (Sasaki et al, 1983), as confirmed in the present study. Although 7-OH-MTX is an active metabolite (Fabre et al, 1986), a more recent study concluded that cell growth is only weakly inhibited in the presence of 7-OH-MTX as compared to MTX (Seither et al, 1989).…”
Section: Discussionsupporting
confidence: 84%
“…These various observations motivated the present investigation of the interaction between MTX and KP in a laboratory animal to identify its major determinants. The rabbit was selected (Sasaki et al, 1983) because it reproduces the extensive metabolism of MTX into 7-OH-MTX described in patients (Breithaupt & Kuenzlen, 1982;Milano et al, 1983).…”
mentioning
confidence: 99%
“…In particular, aromatic aldehydes are excellent substrates of hepatic aldehyde oxidase with lower activities toward xanthine oxidase (14,17).Aldehyde oxidase activity is predominant in the liver (18,19), whereas xanthine oxidase activity is present at high levels in the lactating mammary gland and primarily in cow's milk (20). Although these enzymes are similar in structure and molecular properties, they differ in substrate specificity (14).…”
Section: Introductionmentioning
confidence: 99%
“…Η XOR είναι παρούσα σε υψηλά επίπεδα στο μαστικό γαλακτοπαραγωγό αδένα (Sasaki et al, 1983), το λεπτό έντερο και το ήπαρ (Badway et al, 1981). Έχει, επίσης, ανιχνευθεί στο σκελετικό μυ, τους νεφρούς, τους πνεύμονες, την επιδερμίδα και την καρδιά (Sasaki et al, 1983).…”
Section: οξειδοαναγωγάση της ξανθίνηςunclassified
“…Έχει, επίσης, ανιχνευθεί στο σκελετικό μυ, τους νεφρούς, τους πνεύμονες, την επιδερμίδα και την καρδιά (Sasaki et al, 1983). Επιπλέον, υπάρχουν ενδείξεις ύπαρξης της XOR στα τριχοειδή του εγκεφάλου (Betz, 1985) όπως και στα πολυμορφοπύρηνα λευκοκύτταρα και μακροφάγα του ποντικιού και μάλιστα έχει παρατηρηθεί αύξηση στα επίπεδά της σε περιπτώσεις βακτηριακής μόλυνσης (Tubaro et al, 1980).…”
Section: οξειδοαναγωγάση της ξανθίνηςunclassified