VOPROSY MEDITSINSKOI KHIMII (ISSN 0042-8809)

Determination of phospholipase A2 activity in liver mitochondria using fluorescent dye 1,8-anilinonaphthalene sulfonate

   
Fedorov V.K., Cheremisina Z.P., Deev A.I., Neugodova G.L., Marzoev A.I.
PubMed Id: 7467199
Year: 1981  Volume: 27  Issue: 1  Pages: 120-125
Quantitative estimation of free fatty acids was carried out in liver mitochondria of normal and thyroidectomized rabbits by means of two procedures--spectrophotometry using rhodamine 6Zh and a fluorescent method with 1,8-aniline naphthalene sulfonate /ANS/ as a dye. The use of ANS enabled to estimate quantitatively the free fatty acids beginning from 25 nmol in a sample /with eggor of about 17%/ by visual evaluation of the spot areas. As compared with the rhodamine procedure, use of ANS permitted to increase 5-fold the sensitivity of free fatty acid estimation, to elevate 6-fold the accuracy of the analysis, to overcome the step of fatty acid elution from chromatogramms and to decrease the time required for analysis. The data obtained suggest that the hyperthyroid state in rabbits was accompanied by an increase in the phospholipase A2 activity in liver mitochondria.
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Fedorov, V. K., Cheremisina, Z. P., Deev, A. I., Neugodova, G. L., Marzoev, A. I. (1981). Determination of phospholipase A2 activity in liver mitochondria using fluorescent dye 1,8-anilinonaphthalene sulfonate. Voprosy Meditsinskoi Khimii, 27(1), 120-125.
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