Section 40
Chapter 39,517

Characteristics of the lactate dehydrogenase isoenzyme spectrum of the skin in the presence of thermal lesions

Nosova, I.M.; Zaets, T.L.; Kotkina, T.I.

Biulleten' Eksperimental'noi Biologii i Meditsiny 84(9): 294-297


ISSN/ISBN: 0365-9615
PMID: 912082
Accession: 039516587

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Experiments were conducted on rats; a study was made of the activity of lactic dehydrogenase (LDH) and its isoenzymes in the zone of affection and in the adjacent areas of the skin at various periods after the burn infliction; on the 1st--8th day there occurred a reduction of the sum total LDH activity in the scab zone and the underlying tissue by 70--80%, and in the margin and the intact skin--by 50%. These changes were accompanied by shifts in the isoenzymatic LDH spectrum in the affected tissue; the activity of fraction 5 displayed a sharp rise on the 1st day and that of fractions 2 and 3--a reduction, on the contrary, by the 8th day there was seen some diminution of fraction 5 activity and an elevation of fractions 2 and 3 activity. The following picture is observed on the 14th--22nd day after the burn; the sum total LDH activity remains low, the isoenzymatic LDH spectrum in the margin and the scab is largely normalized, whereas in the underlying tissue there persist changes in the LDH enzyme ratio (a reduction of fractions 1--3 activity, and a rise of fraction 5 activity).

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