ULTRASTRUCTURAL-LOCALIZATION OF MAGNESIUM-DEPENDENT ADENOSINE-TRIPHOSPHATASE IN DOG HEPATIC PEROXISOMES TREATED WITH A PEROXISOME PROLIFERATOR, ACETYLSALICYLIC-ACID
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作者:
HAKOI, K
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YAMAGUCHI UNIV,DEPT VET ANAT,YOSHIDA,YAMAGUCHI 753,JAPANYAMAGUCHI UNIV,DEPT VET ANAT,YOSHIDA,YAMAGUCHI 753,JAPAN
HAKOI, K
[1
]
MAKITA, T
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h-index: 0
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YAMAGUCHI UNIV,DEPT VET ANAT,YOSHIDA,YAMAGUCHI 753,JAPANYAMAGUCHI UNIV,DEPT VET ANAT,YOSHIDA,YAMAGUCHI 753,JAPAN
MAKITA, T
[1
]
机构:
[1] YAMAGUCHI UNIV,DEPT VET ANAT,YOSHIDA,YAMAGUCHI 753,JAPAN
A total of 9 beagle dogs (7-10 kg, body weight) was administrated with acetylsalicylic acid (aspirin) at doses of 500 and 1,000 mg/kg/day for 7 days. Hepatomegaly was not observed in aspirin-treated dogs, but both the number and the size of peroxisomes per unit cytoplasmic area (number/mu m(2) and nm(2)/mu m(2)) were significantly increased in aspirin-treated group at day 7. Magnesium-dependent adenosine triphosphatase (Mg-ATPase) was located on the limiting membrane of aspirin-treated liver peroxisomes, but it was much less than that of intact or ordinary peroxisomes in the control dogs.