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  • Title: Dermal prostacyclin, thromboxane A2 and prostaglandin F2 alpha in climacteric women: effect of oestrogen replacement therapy.
    Author: Puolakka J, Lahti A, Viinikka L, Ylikorkala O.
    Journal: Maturitas; 1986 Mar; 8(1):77-80. PubMed ID: 3754616.
    Abstract:
    The involvement of dermal prostanoids in menopausal flushing was studied in 8 women suffering from climacteric hot flushes and in 10 asymptomatic control subjects by inducing suction blisters on abdominal skin and assaying blister fluids for 6-keto-PGF1 alpha, a metabolite of the vasodilative prostacyclin (PGI2), thromboxane B2 (TxB2), a metabolite of the vasoconstrictive thromboxane A2 (TxA2), and 13,14-dihydro-15-keto-PGF2 alpha (M-PGF2 alpha), a metabolite of prostaglandin F2A (PGF2A). No marked differences were observed in the levels of these prostanoids in the two study groups. The women experiencing flushes then received conjugated oestrogens for 3 mth to abolish vascular instabilities. This decreased the blister fluid concentration of M-PGF2 alpha from 1720 +/- 476 pg/ml (mean +/- SE) to 1490 +/- pg/ml (P less than 0.05), but had no effect on the dermal levels of 6-keto-PGF1 alpha or TxB2. It was concluded that although certain dermal prostanoids may be affected by oestrogen treatment they are not of primary significance as regards menopausal flushing.
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