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Regulation of apoli...
Regulation of apolipoprotein A1 synthesis in lymph drained rats
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Franzen, Johan (författare)
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- Florén, Claes-Henrik (författare)
- Lund University,Lunds universitet,Medicin, Lund,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Gastro,Forskargrupper vid Lunds universitet,Medicine, Lund,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund University Research Groups
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- Nilsson, Åke (författare)
- Lund University,Lunds universitet,Medicin, Lund,Sektion II,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Gastro,Forskargrupper vid Lunds universitet,Medicine, Lund,Section II,Department of Clinical Sciences, Lund,Faculty of Medicine,Lund University Research Groups
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(creator_code:org_t)
- Elsevier BV, 1987
- 1987
- Engelska 5 s.
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Ingår i: Biochimica et Biophysica Acta. - : Elsevier BV. - 0006-3002. ; 918:1, s. 11-15
- Relaterad länk:
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http://dx.doi.org/10...
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visa fler...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The effect of lymph diversion on plasma apolipoprotein A-I levels was studied. In lymph fistula rats apolipoprotein A-I levels in plasma stayed constant in spite of a loss of an equivalent of one-half plasma pool of apolipoprotein A-I per day through the lymph fistula. This indicates that synthesis of apolipoprotein A-I increases or that catabolism of apolipoprotein A-I decreases in a compensatory manner as intestinal apolipoprotein A-I is diverted. By using incorporation of [3H]leucine into newly synthesized apolipoprotein A-I it was shown that 2.6-times as much [3H]leucine was incorporated into apolipoprotein A-I in thoracic duct drained animals compared to controls. In experiments in which 125I-labeled HDL was injected intravenously into rats, it was shown that catabolism of HDL and apolipoprotein A-I was not decreased in lymph-drained rats. These data thus suggest that an increased synthesis of apolipoprotein A-I occurs when the intestinal contribution of apolipoprotein A-I diminishes. This is probably due to an increase in liver protein synthesis.
- The effect of lymph diversion on plasma apolipoprotein A-I levels was studied. In lymph fistula rats apolipoprotein A-I levels in plasma stayed constant in spite of a loss of an equivalent of one-half plasma pool of apolipoprotein A-I per day through the lymph fistula. This indicates that synthesis of apolipoprotein A-I increases or that catabolism of apolipoprotein A-I decreases in a compensatory manner as intestinal apolipoprotein A-I is diverted. By using incorporation of [3H]leucine into newly synthesized apolipoprotein A-I it was shown that 2.6-times as much [3H]leucine was incorporated into apolipoprotein A-I in thoracic duct drained animals compared to controls. In experiments in which 125I-labeled HDL was injected intravenously into rats, it was shown that catabolism of HDL and apolipoprotein A-I was not decreased in lymph-drained rats. These data thus suggest that an increased synthesis of apolipoprotein A-I occurs when the intestinal contribution of apolipoprotein A-I diminishes. This is probably due to an increase in liver protein synthesis.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Läkemedelskemi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medicinal Chemistry (hsv//eng)
Publikations- och innehållstyp
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- ref (ämneskategori)
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