alexa T cell subsets in human colostrum.


International Journal of Inflammation, Cancer and Integrative Therapy

Author(s): Keller MA, Faust J, Rolewic LJ, Stewart DD

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Abstract Lymphocytes from 10 paired colostrum and peripheral blood specimens were examined to determine if the colostral T cell population differs from the peripheral blood T cell population in subset distribution. The percentages of lymphocytes staining with OKT3, OKT4, and OKT8 murine monoclonal antibody were determined. Lymphocytes from colostrum were 74.7 +/- 2.5\% OKT3+, 50.6 +/- 2.3\% OKT4+, 24.0 +/- 1.7\% OKT8+, whereas peripheral blood lymphocytes were 78.7 +/- 1.9\% OKT3+, 48.4 +/- 1.4\% OKT4+, and 29.8 +/- 1.6\% OKT8+. The percentage of colostrum lymphocytes positive for OKT3 was significantly although not strikingly lower than the OKT3 percentage for blood lymphocytes (p less than 0.05). This difference was due to the lower percentage of OKT8 positive lymphocytes in colostrum compared with blood (p less than 0.01). Although the T cell subset distribution of colostrum generally appears to be similar to that in the peripheral blood, there were small differences in OKT3 and OKT8 percentages that were statistically significant suggesting the possibility of some selectivity of the colostral T cell population.
This article was published in J Pediatr Gastroenterol Nutr and referenced in International Journal of Inflammation, Cancer and Integrative Therapy

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