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Lactate dehydrogena...
Lactate dehydrogenase activity and isoform distribution in normal and hypertrophic smooth muscle tissue from the rat
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- Malmqvist, Ulf (author)
- Lund University,Lunds universitet,Avdelningen för klinisk kemi och farmakologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Chemistry and Pharmacology,Department of Laboratory Medicine,Faculty of Medicine
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- Arner, Anders (author)
- Lund University,Lunds universitet,Kärlfysiologi,Forskargrupper vid Lunds universitet,Vascular Physiology,Lund University Research Groups
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- Uvelius, Bengt (author)
- Lund University,Lunds universitet,Urologi,Forskargrupper vid Lunds universitet,Urology,Lund University Research Groups
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(creator_code:org_t)
- 1991
- 1991
- English.
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In: Pflügers Archiv. - 0031-6768. ; 419:3-4, s. 230-234
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Abstract
Subject headings
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- The lactate dehydrogenase (LDH) activity and isoform distribution of LDH were investigated in tissue samples from the rat portal vein, aorta and urinary bladder. In addition, samples were obtained from hypertrophic urinary bladder. The total LDH activity per unit smooth muscle volume was higher in the urinary bladder compared to that in portal vein and aorta. Five LDH isoforms, reflecting different combinations of the two polypeptide chains denoted H and M, could be separated by agarose gel electrophoresis. The aorta contained more of the H form compared to the portal vein and urinary bladder. This difference suggests that the aorta, which is a slow smooth muscle, is more adapted for aerobic metabolism than the faster muscles of portal vein and urinary bladder. In the hypertrophic urinary bladder a shift in LDH isoform pattern towards less of the H form was found, which correlates with a better maintenance of contraction in anoxia in this type of hypertrophic smooth muscle.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Fysiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Physiology (hsv//eng)
Keyword
- Lactate dehydrohgenase
- Smooth muscle
- Isoforms
- Hypertrophy
- Rat urinary bladder
- Rat portal vein
- Rat arota
Publication and Content Type
- art (subject category)
- ref (subject category)
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