Article (Scientific journals)
Pulmonary surfactant from healthy Belgian white and blue and Holstein Friesian calves: Biochemical and biophysical comparison
Danlois, F.; Zaltash, S.; Johansson, J. et al.
2002In Veterinary Journal, 163, p. 1-8
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Keywords :
bovine; pulmonary surfactant; surfactant-associated proteins; phospholipids; surface activity
Abstract :
[en] The biochemical composition and biophysical behaviour of pulmonary surfactant samples isolated from healthy Belgian White and Blue (BWB) and Holstein Friesian (HF) calves have been investigated and compared. Interesting differences in composition have been demonstrated. In particular, a higher level of total hydrophobic surfactant-associated proteins (SP) (due to higher levels of SP-B and SP-C) is reported in HF calves compared to BWB calves. Higher levels of phosphatidylcholine (PC) and especially the disaturated form of PC were also found in HF as compared to BWB calves. No immediate effect on the surface tension properties evaluated by the pulsating bubble surfactometer was found between the surfactant samples of the two breeds under physiological conditions. However, since a high content of disaturated PC and the presence of the SP-B and SP-C are thought to be essential for the surface activity, we propose that the reported modifications could contribute to the apparently lower resistance of the BWB calves to respiratory troubles in comparison with HF calves. (C) 2002 Elsevier Science Ltd. All rights reserved.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Danlois, F.
Zaltash, S.
Johansson, J.
Robertson, B.
Haagsman, H. P.
Rollin, Frédéric ;  Université de Liège - ULiège > Département clinique des animaux de production (DCP) > Médecine interne des équidés, des ruminants et des porcs
Ruysschaert, J. M.
Vandenbussche, G.
Language :
English
Title :
Pulmonary surfactant from healthy Belgian white and blue and Holstein Friesian calves: Biochemical and biophysical comparison
Publication date :
2002
Journal title :
Veterinary Journal
ISSN :
1090-0233
eISSN :
1532-2971
Publisher :
Bailliere Tindall, London, United Kingdom
Volume :
163
Pages :
1-8
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 13 March 2009

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