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1 alpha,25-Dihydroxyvitamin D3 decreases scalding- and platelet-activating factor-induced high vascular permeability and tissue oedema

Pharmacology & toxicology, 1995-06, Vol.76 (6), p.365

ISSN: 0901-9928 ;PMID: 7479576

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Title:
1 alpha,25-Dihydroxyvitamin D3 decreases scalding- and platelet-activating factor-induced high vascular permeability and tissue oedema
Author: Chen, S F ; Ruan, Y J
Subjects: Animals ; Burns - drug therapy ; Burns - physiopathology ; Calcitriol - therapeutic use ; Capillary Permeability - drug effects ; Edema - drug therapy ; Edema - etiology ; Edema - physiopathology ; Hindlimb - blood supply ; Hindlimb - injuries ; Male ; Platelet Activating Factor - adverse effects ; Platelet Activating Factor - antagonists & inhibitors ; Rats ; Rats, Sprague-Dawley
Is Part Of: Pharmacology & toxicology, 1995-06, Vol.76 (6), p.365
Description: We have previously demonstrated that 1,25-dihydroxyvitamin D3 decreases endotoxin-induced mortalities of rat and mouse from 80% and 70% to 14% and 10% (unpublished results). In the present study, pretreatment of 1,25-dihydroxyvitamin D3 decreased pad oedema and pulmonary vascular permeability induced by scalding and platelet-activating factor. 1,25-Dihydroxyvitamin D3 in a dose of 4 x 10(-9) mol/kg decreased pulmonary extravascular Evans blue concentration increased by platelet-activating factor from 6.32 +/- 0.63 ng/g to 2.57 +/- 0.28 ng/g (P < 0.01), and lung water/dry lung weight from 3.79 +/- 0.57 to 1.51 +/- 0.13 (P < 0.01). 1,25-Dihydroxyvitamin D3 of 4 x 10(-11) moles/kg and calcipotriol (a vitamin D analogue which has limited hypercalcaemic effect) of 4 x 10(-9) moles/kg had similar effects. Karyocyte counting of bronchoalveolar lavage fluid and the reduction of mean arterial pressure were also reduced to some extent. These results suggest that 1,25-dihydroxyvitamin D3 may be a new and effective drug to reduce vascular permeability and ameliorate oedema.
Publisher: Denmark
Language: English
Identifier: ISSN: 0901-9928
PMID: 7479576
Source: MEDLINE
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1 alpha,25-Dihydroxyvitamin D3 decreases scalding- and platelet-activating factor-induced high vascular permeability and tissue oedema

ISSN: 0901-9928 ;PMID: 7479576

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