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Changes in integrin-positive cells and T cell subpopulations in the peripheral blood and intestine of calves fed soya protein

100%

Brna M., Revajova V., Zitnan R., Levkut,Jr. M., Baran M., Levkut M.

Journal of Animal and Feed Sciences

2010

tom 19

nr 3

In order to examine the relation of known intestinal lesions to changes in T-cell phenotypes and integrin expression, 16 male 10-day-old Holstein calves were divided into two groups. For 28 days of the experiment, eight males were fed NutriMilk in which 50% of the crude protein was soya protein, and eight control animals, with NutriMilk containing only milk casein. The animals fed soya protein showed shorter jejunal villi with a corrugated surface and deeper crypts compared with the control calves. A higher density of CD8+ cells in the intestinal mucosa and a decrease of these cells in peripheral blood were found in calves fed soya protein. The number of CD11b-positive cells was decreased in the peripheral blood of calves fed soya protein. Lower expression of integrin could be related to the appearance of non-mature polymorphonuclear cells. It is not clear if the decrease in CD11b expression on blood cells could also be influenced by milk replacer, i.e. soya protein.

Ograniczanie wyników

1 Journal of Animal and Feed Sciences

1 Baran M.

1 Brna M.

1 Levkut M.

1 Levkut,Jr. M.

1 Revajova V.

1 Zitnan R.

1 2010

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Changes in integrin-positive cells and T cell subpopulations in the peripheral blood and intestine of calves fed soya protein