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Updated: Jul 21, 2026

Isolation and Characterization of Primary Rat Valve Interstitial Cells: A New Model to Study Aortic Valve Calcification
Published on: November 20, 2017
Taurine content of isolated rat alveolar type I cells
M A Banks1, D W Porter, W H Pailes
1Division of Respiratory Disease Studies, National Institute for Occupational Safety and Health, Morgantown, WV 26505.
Abstract:
1. Rat alveolar type I cells were isolated by enzymatic digestion and purified by centrifugal elutriation and specific surface adsorption. 2. The identity of the harvested cells was confirmed using electronic cell sizing and transmission electron microscopy. 3. Purified cell preparations contained 4.6 +/- 2.3 x 10(6) type I cells/rat lung with a purity of 79 +/- 3%. 4. Isolated type I cells exhibited the following characteristics: mean cell volume = 716 +/- 48 microns 3; diameter = 11.1 +/- 0.7 microns; and cell water content = 0.50 +/- 0.03 microliter/10(6) cells. 5. Taurine content of these alveolar type I cells was measured by HPLC. 6. The intracellular taurine concentration of type I cells was 0.14 +/- 0.07 mM, a value close to that of plasma (0.1 mM).
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