Publication Cover
Xenobiotica
the fate of foreign compounds in biological systems
Volume 34, 2004 - Issue 8
155
Views
28
CrossRef citations to date
0
Altmetric
Research Article

Metabolic and structural viability of precision-cut rat lung slices in culture

, &
Pages 771-780 | Received 27 May 2004, Published online: 22 Sep 2008
 

Abstract

  1. The principal objective was to evaluate the functional and structural integrity of precision-cut rat lung slices in culture over 72 h.

  2. Lung slices metabolized 7-ethoxycoumarin in a time-dependent fashion, the major metabolites being the sulphate and glucuronide of 7-hydroxycoumarin with very low levels of the free compound. Prior treatment of rats with β-naphthoflavone elevated markedly the rate of metabolism. The optimum slice thickness, as exemplified by the metabolism of 7-ethoxycoumarin, was about 600 µm.

  3. Lung slices retained metabolic viability towards 7-ethoxycoumarin for 8 h, but after this point a marked decline in metabolic activity was noted. However, very low levels of activity were still evident following a 72 h incubation.

  4. Morphological examination of lung slices revealed nuclear degeneration and loss of tissue architecture following 24 h incubation. When cellular integrity was assessed using lactate dehydrogenase, a time-dependent leakage was evident with maximum loss occurring within 24 h; longer incubations did not result in further leakage.

  5. It is concluded that precision-cut rat lung slices, of 600 µm thickness, can be maintained metabolically viable in culture for some 8 h.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.