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In order to assess the pathophysiological role of the renal Thromboxane (Tx)A2 in genetic hypertension, the urinary excretion of its stable metabolite: the TxB2 was followed in groups of 12 hypertensive (LH), normotensive (LN) and low blood pressure (LL) female rats of the Lyon strains at the ages of 5, 9, 21 and 32 weeks. In the 3 strains studied, the urinary TxB2 excretion markedly decreased between 5 and 9 weeks of age and did change thereafter. In addition, 5 and 9 weeks old rats exhibited an increased urinary TxB2 output compared to LN and LL controls. Since TxA2 is a potent vasoconstrictor, it seems likely to hypothesize that the early increase observed in the renal TxA2 biosynthesis could be one of the primary events occurring during the development of hypertension in this rat model.
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J Sassard
June 1982,
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J Geoffroy, and
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J Geoffroy, and
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J Sassard
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J Geoffroy, and
D Benzoni, and
M Vincent, and
J Sassard
January 1982,
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J Geoffroy, and
D Benzoni, and
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J Sassard
March 1984,
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J Geoffroy, and
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J Sassard
November 1980,
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J Geoffroy, and
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